Battery-fed explosionproof head lamp (versions)

FIELD: electric engineering; mine lamps.

SUBSTANCE: invention relates to portable lamps with built-in storage batteries, particularly, to explosionproof head lamps for use in mines. Proposed lamp has storage battery, light, electronic device connected to light and charging contacts connected to storage battery. Electronic device has electronic switch and electronic switch control circuit. One of charging contacts is connected to output of electronic switch. Lamp is furnished with timer connected to control circuit, circuit to determine presence of charging voltage across electronic switch output and circuit to measure voltage drop across electronic switch in process of battery charging whose inputs are connected to output of electronic switch, and outputs, to input of control circuit.

EFFECT: provision of control of battery charging according to chosen algorithm, increased service life of storage batteries.

4 cl, 2 dwg

 

The invention relates to a portable electric lighting devices with built-in batteries, in particular to the explosion-proof head rechargeable mining lamps.

Known gas-tight head lamp, which contains serially connected battery and Faro, which includes charging contacts that are connected directly to the battery. The parameters of the battery set battery charger. The battery specified charging current exercise by filing a charging voltage to the battery for the specified time (see the description of the patent SU # 965369, IPC F 21 L 11/00, 1982, bull. No. 37).

The object is declared, and similar match the following essential features: head rechargeable lamps contain serially connected battery, Faro and charging contacts that are connected to the battery.

To obtain the expected technical result when using analog prevent the following reasons. When using analogue mode charge all batteries of the same type are the same and charge each battery is made without the individual taking into account its condition, since n is t possible to provide individual conditions of charge for each battery. Rechargeable batteries come in a charge varying degrees of discharge, with different terms and conditions. The implementation of the charge each battery without individual consideration of his condition leads to wasteful consumption of electric energy in the implementation of the charge. Rechargeable battery, which got a lot more necessary, out of the operation ahead of time.

The closest set of features to the object that is claimed, is selected as a prototype, explosion-proof head lamp, which contains a battery, spotlight, electronic safety device that is connected to the headlight, and charging contacts that are connected to the battery via the mounted in the lamp semiconductor device. When charge the battery connect via charging contacts to the source of charging voltage. Charging contacts mounted on the headlight. The battery is connected to a source of charging voltage via the mounted in the lamp semiconductor device is included in the reverse direction of the diode, which is used as a shunt for electronic safety devices. This diode is designed to pass charging current. The parameters of the battery set is camping charger. The voltage of the battery should be put on the charger taking into account the voltage drop on the diode, for example, that for a given charge current of 1 a is about 0.7 C. the battery specified charging current exercise by filing a charging voltage through the diode on the battery for the specified time (see the description of the invention to author's certificate SU # 1241009, IPC F 21 L 11/00, 1986, bull. No. 24).

The object is declared, and prototype match the following essential features: explosion-proof head rechargeable lamps contain a rechargeable battery, spotlight, electronic safety device that is connected to the headlight, and charging contacts that are connected to the battery.

Analysis of the technical properties of the prototype, due to its characteristics, shows that the expected technical result when using prototype prevent the following reasons. When using prototype parameters of the battery set battery charger. If this is not taken into account that the battery receives a charge in varying degrees of discharge with different terms and conditions. The mode of the charge all batteries of the same type the same without individual consideration with the standing, as in the prototype there is no possibility to provide you with a customized charge for each battery on the chosen algorithm. The implementation of the charge each battery without the individual taking into account its condition leads to wasteful consumption of electric energy in the implementation of the charge. Rechargeable battery, which got a lot more necessary, out of the operation ahead of time.

The basis of the technical solution of the task to create such an explosion-proof head lamp, in which the improvement by introducing new elements and new relationships between the elements would allow for use of an object, which is claimed to achieve a technical result, which is to provide management features battery on the chosen algorithm and to increase the service life of the batteries.

The first option explosion-proof head rechargeable lamp, aimed at solving the problem, it includes a rechargeable battery, spotlight, electronic safety device that is connected to the headlight, and charging contacts that are connected to the battery. A distinctive feature of this variant explosion-proof head accumulating the lamp is what is electronic safety device that contains an electronic key and the control circuit of the electronic key. One of the charging contacts connected to the output of an electronic key. The lamp is equipped with a time counter, which is connected to the control circuit, the detection circuit having a charging voltage at the output of an electronic key and a circuit for measuring voltage drop on the electronic key in the process of the battery, the inputs of which are connected to the output of an electronic key, and outputs to the input of the control circuit.

When using the first option explosion-proof head rechargeable lamp can be expected to achieve a technical result, which is to provide management features battery on the chosen algorithm, which allows to extend the service life of the batteries by preventing their exit from service due to recharge.

Between the set of essential features of the first version explosion-proof head rechargeable lamp and the technical result is achieved, there is the following cause-and-effect relationship. Due to the fact that the charging voltage serves on the battery is connected to the control circuit of the electronic key, it became possible re wirawati electronic key value of the charging current depending on the voltage drop on the electronic key by changing the potential at the output of the control circuit. Particular changes in the voltage on the electronic key can be determined experimentally in the process of charge to a given voltage battery with a known individual States, for example with a known discharge voltage with a known lifetime and with known operating conditions. Using different algorithms for charging such batteries, you can create the appropriate database to select an optimal algorithm for the charge depending on the voltage drop on the electronic key in the charge process. Taking into account the obtained experimental data can maximize the capabilities of the battery, which has come at a charge, by selecting an optimal algorithm for the charge, which meets the individual condition of this battery pack. Optimal algorithms of charge are recorded in the memory unit of the control circuit. Changing the potential at the output of the control circuit, it is possible to regulate electronic key value of the charging current depending on the voltage drop on the electronic key respectively selected optimal algorithm of the battery, preventing overcharging of the battery. For example, at a constant charging voltage can be charge with a stable value of the charging current, or when the speed change charge the CSOs current or at a smooth decrease of the charging current, or to use different combinations of changes in the charging current of the charging process of the battery to the set voltage. Charging the battery the original settings of the current battery explosion-proof head lamp, which first set the charger, is adjusted in the process of charging the lamp depending on the state of discharge, terms and conditions of the rechargeable battery, which came on the charge, and the chosen charging algorithms which meet this condition. After a specified time, battery charge, which is controlled by the time counter at the command of the control circuit of the electronic key reduces the charging current and the battery is disconnected from the charger.

The second option explosion-proof head rechargeable lamp, aimed at solving the problem, it includes a rechargeable battery, spotlight, electronic safety device that is connected to the headlight, and charging contacts that are connected to the battery. A distinctive feature of this variant explosion-proof head rechargeable lamp is the fact that the electronic safety device content is t e key and the control circuit of the electronic key. One of the charging contacts connected to the output of an electronic key. The lamp is equipped with a time counter, which is connected to the control circuit, the detection circuit having a charging voltage at the output of the electronic key, the entrance of which is connected to the output of an electronic key, and the output connected to the input of the control circuit is a circuit for measuring the voltage on the battery and the comparison circuit voltages. Thus the output of the circuit measuring the voltage on the battery is connected to the input schema comparison voltage, and the output of the comparison circuit voltage to the input of the control circuit.

When using the second option explosion-proof head rechargeable lamp can be expected to achieve a technical result, which consists in providing management features battery charge, but depending on the change of the voltage on the battery, which is charged during the life of the batteries by preventing their exit from service due to recharge and reducing the charge time of the battery.

Between the set of essential features of the second version explosion-proof head rechargeable lamp, which is claimed, and the technical result is achieved, there should the existing causal link.

Experimentally it is determined that the voltage on batteries that are charged, is changing over time charge differently depending on the degree of discharge, terms and conditions. Due to the fact that in explosion-proof head rechargeable lamp, which States, charging voltage serves on the battery is connected to the control circuit of the electronic key, it has become possible, by changing the potential at the output of the control circuit to regulate electronic key the duration of the charge and the magnitude of the charging current depending on the voltage on the battery, which is recharged. When using the lamp, which claimed charger set only constant charge voltage and the magnitude of the charge current at the beginning of the battery's charge. The time of charge of each battery is selected by the battery, taking into account its individual state, which determines the change in the voltage on the battery, which is charged during the charge time, which is controlled by the timer. The decrease at the end of battery charging current to a value which does not exceed the current charging the battery when storing, automatically puts the battery in regimente, as soon as the voltage on the battery that is being charged reaches the specified value. When the battery no longer needed in General not possible.

In some cases, the use of the first and second options explosion-proof head rechargeable lamp characterized by the fact that the lamp further comprises a diode that is connected in parallel to the electronic key anode to its entrance with providing transmission through the diode current that does not exceed the current charging the battery. In this case, in addition to applying the charging voltage to the battery via the mounted lamp electronic key charging voltage serves on the battery even after mounted in the lamp diode, providing a bandwidth of current that does not exceed the current charging the battery. This outdoor electronic key during the charge time is a shunt resistor for diode as the voltage drop across the electronic key when the charging current, for example, 1 And does not exceed 0.035 V and 0.7 V for the diode. But after closing an electronic key at the end of the charge circuit charging current is switched diode. It is given an initial charging voltage and a higher voltage on the battery leads to a sharp decrease in charging what about the current to a safe value, which is only 0.05 to 0.1 A. This charging current does not exceed the current charging the battery in the storage mode (0,3). In this state, rechargeable lamp can be on the same charging station in the storage for a long time and there is no need to transfer it to another charging station specifically designed to charge the battery in the storage mode.

When using the first and second options explosion-proof head rechargeable lamp can also achieve additional technical results:

- reduced the duration of the charge;

- saves energy by ensuring that the individual terms of the charge for each battery and preventing waste of electricity when the batteries are no longer needed;

- simplified charging batteries that are not issued in operation, by automatically ensure their charge in storage mode on the same, and not on another charging station.

The essence of the design of our explosion-proof head rechargeable lamp illustrated graphics, which depict:

- figure 1 shows a principle block diagram of the first variant and the execution of explosion-proof head rechargeable lamp;

- figure 2 shows a principle block diagram of a second variant explosion-proof head rechargeable lamp.

The graphic materials bearing such legend:

1 - rechargeable battery;

2 - headlamp;

3 - charging contact;

4 - charging contact;

5 - electronic key;

6 - scheme of management;

7 - time counter;

8 is a diagram of the detection of the charging voltage;

9 - diagram of the measurement of the voltage drop across the electronic key;

10 - diode;

11 is a scheme for measuring the voltage on the battery;

12 - comparison circuit voltages.

In the specific example of implementation in the first embodiment (Fig 1) explosion-proof head lamp contains a battery 1, Faro 2 and the charging contacts 3 and 4, which are connected to the battery 1. In series with the lamp 2 includes an electronic key 5, is connected to the control circuit 6. This charger pin 4 is connected to the output of the electronic key 5. The lamp is equipped with a time counter 7, which is connected to the control circuit 6. In addition, the lamp is supplied by a circuit 8 determine whether the charging voltage at the output of an electronic key and 9 measure the voltage drop across the electronic key in the process of the battery, the inputs of which are connected the to the output of the electronic key 5, and outputs to the input of the control circuit 6.

The battery we offer explosion-proof head rechargeable lamp can be implemented, for example. Through mounted on the headlight charging contacts 3 and 4 of the lamp is connected to the charger the charging station. Charging voltage serves on the battery pack 1 is connected to the control circuit 6 electronic key 5. This electronic key can be performed, for example, in the form of a MOS-transistor, to control which uses the potential at its input. To control the status of the electronic key 5 depending on the voltage drop across it during the flow of current through it charge using scheme 6 based control of the controller and trigger. The source terminals of the charger put the charge voltage of the battery (taking into account the voltage drop on the electronic key - 0,035) to provide a given current charge. Then, using mounted in the lamp circuit 8 determines the presence of a charging voltage at the output of the electronic key and the control circuit 6 generates a signal for opening the electronic key 5. Include the time counter 7 and using mounted in the lamp circuit 9 measures the voltage drop across the electronic key in the process of the battery the battery 1. Over time charge periodically by changing the potential at the output of the control circuit 6 and the input of the electronic key 5 regulate the amount of charging current depending on the voltage drop on the electronic key 5. Charging current adjust accordingly optimal algorithm selected from the memory control circuit 6, for example, gradually reduce over time charge. After a specified time, battery charge, equal to, for example, 12 o'clock, at the command of the control circuit 6 electronic key 5 reduces the charge current, the battery 1 is stopped and the lamp can be disconnected from the charger.

In the particular case of the proposed use of the lamp, in addition to applying the charging voltage to the battery 1 through the built-in lamp electronic key 5 charging voltage serves on the battery 1 through built-in lamp diode 10, providing the transmission of current through it, which does not exceed the current charging the battery. In this case, the outdoor electronic key 5 during the time the charge is for diode 10 shunt and controls the magnitude of the charging current depending on the voltage drop on the electronic key 5. At the end of the charge, after the closure of the electronic switch 5, a charger that is not terminated, and reduced to a safe value which is, for example, of 0.1 And by reducing the voltage on the diode 10, greater than on the electronic key 5, and raised the voltage on the battery after 1 charge. This charging current does not exceed the amount of current charging the battery (0,3 A), which is not issued in operation. In this state, rechargeable lamp may be located on the charging station in the storage for a long time.

In the specific example of implementation of the second option (figure 2) explosion-proof head lamp contains a battery 1, Faro 2 and the charging contacts 3 and 4, which are connected to the battery 1. In series with the lamp 2 includes an electronic key 5, is connected to the control circuit 6. This charger pin 4 is connected to the output of the electronic key 5. The lamp is equipped with a time counter 7, which is connected to the control circuit 6. In addition, the lamp is supplied by a circuit 8 determine whether the charging voltage is output from an electronic key circuit 11 measure the voltage on the battery and circuit 12 comparison of stress. Thus the output of the circuit 11, the voltage on the battery is connected to the input circuit 12 of the comparison voltage, and the output of the circuit 12 comparison voltage to the input circuit of the control is the exercise 6.

The battery we offer explosion-proof head rechargeable lamp can be implemented, for example. Through mounted on the headlight charging contacts 3 and 4 of the lamp is connected to the charger the charging station. Charging voltage serves on the battery pack 1 is connected to the control circuit 6 electronic key 5. This electronic key can be performed, for example, in the form of a MOS-transistor, to control which uses the potential at its input.

To control the status of the electronic key 5 depending on the voltage on the battery 1 is charged, use the control circuit 6 on the basis of the controller and trigger. The source terminals of the charger put the charge voltage of the battery (taking into account the voltage drop on the electronic key - 0,035) to provide a given current charge. Then, using mounted in the lamp circuit 8 determines the presence of a charging voltage at the output of the electronic key 5 and the control circuit 6 generates a signal for opening the electronic key 5. Include the time counter 7 and over time the battery 1 periodically, when closed, the electronic key 5 using mounted in the lamp circuit 11 measured voltage is at the battery 1, which is charging. With schema 12 comparison of strains measured voltage is compared with the desired voltage UCon the battery after 1 charge that is set, and after reaching the rechargeable battery 1 voltage, which is set to reduce the charging current by changing the potential at the output of the control circuit 6. Optionally, in this state, rechargeable lamp, which is not issued in operation, may be located on the charging station in the storage for a long time.

In the particular case of the proposed use of the lamp, in addition to applying the charging voltage to the battery 1 through the built-in lamp electronic key 5 charging voltage serves on the battery 1 through built-in lamp diode 10, providing a passing current through it, which does not exceed the current charging the battery. In this case, the outdoor electronic key 5 during the time the charge is for diode 10 shunt and controls the magnitude of the charging current depending on the voltage drop on the electronic key 5. At the end of the charge, after the closure of the electronic switch 5, the charging current is not interrupted and is reduced to a safe value which is, for example, of 0.1 And by reducing the voltage on the diode 10, the pain is him, than the electronic key 5, and raised the voltage on the battery after 1 charge. This charging current does not exceed the value of the current charging the battery (0,3 A), which is not issued in operation. In this state, rechargeable lamp may be located on the charging station in the storage for a long time.

So, when using explosion-proof head rechargeable lamp is achieved technical result, which is to provide management features battery on the chosen algorithm, which allows to extend the service life of the batteries by 10-15% by preventing their exit from service due to recharge, reduce the duration of charge by 15-30% and save energy by ensuring that the individual terms of the charge for each battery and preventing waste of electricity to charge the battery more than necessary. In addition, it is easier to recharge batteries that are not issued in operation, by automatically ensure their charge in storage mode on the same, and not on another charging station.

1. Explosion-proof head lamp, which contains a battery, spotlight, e is entranoe device, which is connected to the headlight, and charging contacts that are connected to the battery, which differs in that the electronic device has an electronic key and the control circuit of the electronic key, one of the charging contacts connected to the output of an electronic key, the lamp is equipped with a time counter, which is connected to the control circuit, the detection circuit having a charging voltage at the output of an electronic key and a circuit for measuring voltage drop on the electronic key in the process of the battery, the inputs of which are connected to the output of an electronic key, and outputs to the input of the control circuit.

2. The lamp according to claim 1, characterized in that it further comprises a diode that is connected in parallel to the electronic key anode to its entrance with providing transmission through the diode current that does not exceed the current charging the battery.

3. Explosion-proof head lamp, which contains a battery, spotlight, electronic device that is connected to the headlight, and charging contacts that are connected to the battery, which differs in that the electronic device has an electronic key and the control circuit of the electronic key, one of the charging contacts connected to the output of the electronic key is, the lamp is equipped with a time counter, which is connected to the control circuit, the detection circuit having a charging voltage at the output of the electronic key, the entrance of which is connected to the output of an electronic key, and the output connected to the input of the control circuit is a circuit for measuring the voltage on the battery and the comparison circuit voltage, while the output of the circuit measuring the voltage on the battery is connected to the input of the comparison circuit voltage, and the output of the comparison circuit voltage to the input of the control circuit.

4. The lamp according to claim 3, characterized in that it further comprises a diode that is connected in parallel to the electronic key anode to its entrance with providing transmission through the diode current that does not exceed the current charging the battery.



 

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