System composed of hydraulic units, actuators and/or pickups for underground mining

FIELD: engines and pumps, mining operations.

SUBSTANCE: system composed of hydraulic units for underground mining operations is intended for, particularly, underground working supports, actuators and/or pickups, all of them being encased and interconnected or can be connected, via a data transfer system, to the control unit. Note that every actuator is designed to make every hydraulic unit function operate and/or every pickup is set up to read out the hydraulic conditions at the point of measuring whatever quantity of the walking support. Mind that every actuator (3) and/or sensitive element (7, 8) in its casing (4; 18, 19) are wired to readout unit (20; 30), while hydraulic unit (1) for every function (2) or every point of measurement is connected to data element (12; 13) connected in the circuit to allow a readout unit with a receiver and/or transmitted module (20; 30) to effect a contactless inductive data readout therefrom and to transmit the said data to control unit (6). Data element (12; 13) represents a transponder or a transmitter incorporating a receiver coil. The control unit (6) uses this data via the data transfer system to allow an automatic single-valued identification and reprogramming.

EFFECT: faultless connections.

8 cl, 3 dwg

 

The invention relates to a system of hydraulic parts for underground mining, in particular for underground walking lining, as well as of the actuators and/or sensors that have a body and can join or attached via a data transmission system to the control device, and each actuating element is implemented one function on hydraulic parts and/or each sensor can be measured hydraulic regime in the measurement of hydraulic parts or other readout on a walking roof support.

Systems of this type are in underground mining, in particular, in the electro-hydraulic valve blocks or planks for the control of hydraulic functions used in underground mining boards. Each bracket valve thus has a number of hydraulic control valves and each control valve is controlled by specially mounted for this purpose on a strap valve actuating mechanism. In underground mining usually installed on a strap valves all panels are identical in design and appearance actuators so that, for example, when the defect of the actuator can be replaced with any other Executive mechanism. When replacing one Executive IU is anima or replacing one or more control valves miner must watch to each control valve has been given the correct actuator. Therefore, the plate valve underground boards represent a potential risk of faulty installation and connection staff. The same applies also to the sensors on the underground boards, which are measured, for example, the position of the individual Varnakov or racks or hydraulic pressure in the cylinders or struts, hydraulic forming part of the shield.

The present invention is to create an installation of hydraulic components, as well as actuators and/or sensors for underground mining, in which there is no specified source of danger mistakes accession, depending on the staff.

In other words, the task is to, first, by linking block read with each actuating element and each sensing element (sensor) and by linking information with each hydraulic component for each function within the automated control of mechanized shield lining to provide an opportunity for contactless reading this information and its transmission through the data transmission system on the device control panel lining. Further, the control device can, using this information, at any time lie is neither infallible and without confusion to identify, what actuating element can be actuated with a certain function in the hydraulic parts.

The task in the system of hydraulic parts for underground mining, in particular for underground walking supports, as well as actuators and/or sensors that have a body and is connected or can be connected to the system data transfer control device, each actuating element is designed to actuate the functions on hydraulic parts and/or each sensor is installed with the possibility of measuring the hydraulic regime in the measurement of the hydraulic part or another of the measured value on a walking roof support according to the invention is solved in that each actuating element and/or the sensing element in the corresponding case associated with block read and hydraulic item for each function or each measurement point associated with the information item, made with the possibility of contactless inductive reading information from him block read with receiving and/or transmitting module and transmitting to the control unit, and the information element is a transponder or transmitter with integrated receiving coil, and the control device when using this information across the transmission system at any point in time provides an unambiguous automatic identification and reprogramming, moreover, the actuating element is arranged to actuate a specific function in hydraulic parts, and/or the sensing element measures a certain measurement value by the hydraulic elements.

When this information element is preferably a microchip or chip transmitter with integrated (EEPROM), electrically programmable read-only memory.

Blocks read is made capable of transmitting and/or receiving of electromagnetic waves.

Block read is connected to the electronic circuitry, which preferably contains a microcontroller and/or electronic processing circuitry and control circuitry.

Block read is selected, screwed or glued to the housing and/or preferably filled in the sealing compound.

Information element in the location measurements or details for each managed function is selected, screwed, glued or preferably inserted into the receiving slot in the details and filled in the sealing compound.

The hydraulic part is a valve unit with multiple mounting holes for hydraulic valves switch and each bore and respectively with each switching valve associated information element.

Transmission system Yes the data is a bus, in particular analog-to-digital bus, and/or the control device, and/or actuators include a digital interface.

If in case hydraulic parts we are talking about, for example, a strap of hydraulic valves or block, hydraulic valves with multiple control valves, each of which corresponds to a particular function controlled electro-hydraulic elements of the shield, the random replacement of two actuators would be known to the control device and the control device to perform a specific function, despite the occasional replacement of actuators, controls the right actuator in order to achieve the desired function. With the invention of the impacts achieved performed automatically coding and identification of all control valves and, if necessary, and sensors on the shield lining, and the control device may associate each actuator with the control valve, to which it is installed.

In a preferred embodiment, the blocks read contain the transmitting module and the receiving module and/or configured to transmit and receive. With regard to the information element, it is preferably on the transmitter or transponder, in particular micro is the IPA or the transponder chip with integrated EEPROM (electrically programmable ROM). In a particularly preferred embodiment, the information element is read and contactless inductive way and blocks read are capable of transmitting and/or receiving of electromagnetic waves. Further, preferably the transmitter or transponder and the corresponding microchip can be provided with an internal receiver coil and module transmission and/or reception is executed in the form of a coil. Block read is preferably connected to the electronic circuitry, which may include a microcontroller. Particularly favorably when the electronic circuit includes an electronic circuit control and data processing unit reads and when the microcontroller can control the functions on the actuator.

Block read can be installed on the housing, screwed or glued. In a preferred embodiment of it is filled in the sealing compound and/or inserted in the socket in the housing or on the housing. Information element can be fitted, screwed or glued on-site measurements or details for each managed function. In a preferred embodiment, the information element is inserted into the receiving slot in the hydraulic parts and filled with a sealing mass. As already explained above, in the case of hydraulic parts it is preferably on a strap with Klah is a'am or valve block with many adoptive jacks for hydraulic valves switch and to each of the receiving socket is one information element, in which is stored information for the unambiguous identification of one information element from the other. Regarding the data transmission system it is preferably on the BUS, in particular an analog-to-digital bus (CAN-BUS).

Other advantages and embodiments of the system according to the invention ensue from the following description schematically shown in the drawing, examples of execution.

In the drawings shown:

figure 1 is a schematic depiction of the invention in the circuit for the electro-hydraulic valve block;

figure 2 schematically an example of execution with embedded transponder and drenched the block read; and

Figure 3 schematically components of the actuator with a piezoelectric element and the block is read, and the transponder on the valve block.

In the block diagram of figure 1 shows schematically an electro-hydraulic control system is not shown further shield the underground walking in the liner. Electro-hydraulic control system includes a hydraulic valve unit 1 is equipped in this case, eight valves 2 control, installed in each of the respective mounting holes and through which you can operate various functions to shield lining, for example, raise the roof bar of the shield, Assembly or disassembly of the shield, shifting of the conveyor or the ITA, etc. Separate valves 2 is a control the same and groups installed, in this case next to each other, in the valve block 1. Hydraulic side not shown. Each valve 2 control attached to the actuator 3, placed, for example, to the outside of the valve block 1 and is bolted to it. Each actuator 3 includes a housing 4, which has shown an electromagnet or a piezoelectric element, including appropriate components for the beginning of the movement for inclusion of the control valve. Separate actuators 3 for each valve 2 control is made identical to each other, and all actuators 3 are connected via the bus 5 with the electronic control device 6, and also with a not shown power source, preferably a constant current source with an internal self-defense. In addition, to the bus 5, which may be, for example, analog-to-digital bus (CAN-BUS)attached additional two sensors 7, 8, the measurement signals which bus 5 can be transmitted to the control device 6. The sensors 7, 8 can be measured hydraulic conditions at both shown schematically lifting racks 9, 11. The above design of electrohydraulic control device supports in principle known from the prior art.

In accordance with the invention the each valve 2 control valve block 1 given information item 12, moreover, a separate information elements 12 are different from each other on the stored information. Each information element 12 included in the memory information for the unambiguous identification information item 12 of the control device 6. In the memory device 6 control this made, what information element 12 corresponds to the position on the valve block 1 and, therefore, what is the function of the shield is controlled, when it is driven by a suitable valve 2 control. The information elements 12 can be read inductively and without contact. For this purpose, the housing 4 of each of the actuator 3 with the reading device 20 containing the coil to create a magnetic field for inductive reading information on the information element 12. By reading information and transmit this information via the bus 5, device 6, the control is known which the actuator 3 is in the moment to what valve 2 control and whether the presence of this actuator 3.

Also both measurement points for the sensors 7, 8 cylinders 9, 11 given respectively by one information element 13, which with the appropriate unit 30 reads, fixed to the body 14 of the sensors 7, 8, is read. the eat to the control device 6 is also known from a measurement originate the signals transmitted by the sensors 7 and 8.

Figure 2 shows schematically the neck of the valve unit 1 with socket 15 into which is inserted the transponder 21 as an information item and filled in the sealing compound 22. Thus, the transponder 21 is protected from the ingress of dust and moisture in underground mining. The transponder is equipped with a permanent memory (EEPROM). In the schematically shown housing 4 of the actuator 3 is shown in General by numeral 20 block read, which is also filled in the sealing compound 21. Unit 20 reads contains the coil 22 mounted in the housing 4 so that it is in the assembled position of the actuator 3 on the valve block 1 is located directly opposite the bracket 15 to the transponder 16. Coil 2 2 are connected with the electronic unit 23, which may contain electronic circuitry for control and processing.

With reference to figure 3 the invention is again illustrated, for example, for a piezoelectric actuator. The same parts are marked as in the previous examples, the same numerals. In the valve block 1 is the hydraulic valve 2 control, which is controlled by the actuator 3. In the bracket 15 of the valve block 1 is read inductively transponder and filled in the sealing compound. In the housing 4 of the actuator 3 in position in front of the transponder 16 is installed coil 22 of the block 20 is read, which can be used inductively to read the information on the transponder 16. In the housing 4 of the actuator are, in addition, the microcontroller 24, block 25 power supply and digital interface 26, such as RS-485. Block 25 power supply in the housing 4 shown in this case, the bus that connects to the plug-ins 28, is supplied with electricity, as indicated by the arrow 27. Digital interface 26 and the bus control signals not shown in this case, the control unit can be transmitted to the microcontroller 24 in the housing 4, and the information of the microcontroller 24 can be transmitted back to the control unit. The microcontroller 24 includes a block 20 reader for reading information in the transponder 16, and read by electromagnetic means information transmitted to the microcontroller 24, as indicated by the arrow 31. Simultaneously, the microcontroller 24 controls the piezoelectric amplifier 40, which can be controlled by a piezoelectric 41 to enable the valve 2 control. Between the piezoelectric ceramics 41 and valve 2 control is set to the Converter 42 move in order to achieve sufficient progress with piezoceramics 41.

For professionals identified numerous modifications, which shall fall under the scope of protection of the claims. In this case, you can install several actuators with associated block read. Sensors can also be measured path or position. The transponders can be read at intervals, after a new start of the system after each replacement of the actuator by a team of manual control, etc.

1. The system of hydraulic parts for underground mining, in particular for underground walking supports, as well as actuators and/or sensors that have a body and is connected or can be connected to the system data transfer control device, each actuating element is designed to actuate the functions on hydraulic parts and/or each sensor is installed with the possibility of measuring the hydraulic regime in the measurement of the hydraulic part or another of the measured value on a walking roof support, characterized in that the actuating element (3) and/or the sensor element (7, 8) in the corresponding housing (4; 18, 19) associated with the unit (20; 30) is read, and the hydraulic part (1) for each feature (2) or each measurement point is associated with an information element (12; 13), made with the possibility of contactless inductive reading information from him block read with receiving and/or transmitting module (20; 30) and re the ACI on the device (6) management moreover, the information element (12; 13) is a transponder or transmitter with integrated receiving coil, and a device (6) control the use of this information through the data transmission system at any point in time provides an unambiguous automatic identification and reprogramming, and the actuating element (3) is arranged to actuate a specific function (2) in hydraulic parts, and/or the sensor element (7; 8) measures a certain measurement value by the hydraulic elements.

2. The system according to claim 1, wherein the information element (12; 13) is preferably a microchip or chip transmitter with integrated (EEPROM), electrically programmable read-only memory.

3. The system according to claim 1, characterized in that the blocks (20; 30) readings made with the possibility of transmitting and/or receiving of electromagnetic waves.

4. System according to one of claims 1 to 3, characterized in that the block (20) reading connected to the electronic circuit (23), which preferably contains a microcontroller and/or electronic processing circuitry and control circuitry.

5. The system according to claim 1, characterized in that the block (20) reader installed, screwed or glued to the housing (4) and/or preferably filled in Oplotnica the percent mass (21).

6. The system according to claim 1 or 2, characterized in that the information element (16) in place of measurement or details (1) for each controlled function (2) is installed, screwed, glued or preferably inserted in the slot (15) in part (1) and filled in the sealing compound (17).

7. The system according to claim 1, characterized in that the hydraulic part is a valve unit (1) with multiple mounting holes for hydraulic valves (2) switch, and each bore and respectively with each valve (2) switch associated information element (12).

8. The system according to claim 1, characterized in that the data transmission system is a bus system, in particular an analog-to-digital bus system (5), and/or that the control device and/or actuators contain digital interface (26).

Priority items: 11.03.2003 according to claims 1-8.



 

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8 cl

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