The control device gas heating when the outdoor poultry and farm animals

 

The invention relates to agriculture and can be used to control General and local heating when the outdoor poultry and farm animals heaters, consisting of radiant and convective heat sources. The control device contains biocalorimetry, which is connected through the control unit outdoor convective flow of air in the agricultural area with the control unit infrared heat emitter. Biocalorimetry made in the form of a thermal bridge in the form of a curved cylinder of vysokoteploprovodnyh material, on the upper end of the heat bridge has a heat flow sensor, and the lower part contains associated with a thermal bridge two telescopic tubes, the outer of which is rigidly cemented into the floor of the agricultural building. The first thermocouple in thermal bridge block thermostat connected to the first input of the comparison, the second input of the first unit of comparison is connected via the first actuator with rekorda heater more power, installed under the first thermocouple in thermal bridge, on the first thermocouple has a second heater low power over him under the sensor t is icalneu thermocouple connected to the first input of the second unit of comparison, the second input of the second block of comparison associated with the second generator, the output of the second unit of comparison is connected via a second actuator with rekorda heater low power, and the heat flow sensor is connected to the first input of the third unit of comparison in the control unit of the convective flow. Second input of the third unit of comparison is connected with the third unit, the output from the third block of comparison through the Registrar is connected to the first input of the fourth unit of comparison, the second input of the fourth unit of comparison associated with the fourth unit, and the output of the third unit of comparison is connected through the third actuator with the first engine rotation louvers, air ventilation system, while the output of the third unit is connected through the fourth actuator control unit infrared heat emitter with a second engine actuator moving the infrared burner vertically. This provides optimization and improve the accuracy of controlling thermal conditions in the habitat of birds and farm animals on the floor of their content directly in the agricultural area. Improving the control accuracy is achieved by direct samosobrannyi relates to agriculture and can be used to control General and local heating when the outdoor poultry and farm animals heaters, consisting of radiant and convective heat sources.

The technical result of the use of the device is the optimum power supply, precision regulation of the desired temperature in the habitat of an animal or bird under the existing regulations.

The invention is intended for local heating of agricultural youngster in conditions of conventional farms, poultry farms, pig farms, accomplices, etc. when changing the level of the heating system of non-stationary heating of youngsters with its floor maintenance in the first 40-60 days of development.

The known device heating of farm animals and poultry.with. 1604296, class. AND 01 TO 29/00, 1987, B 42, 1991; and.with. 860018, class. AND 01 TO 29/00, 1980, B 12, 1991; and.with. 1604296, class. AND 01 TO 29/00, 1987, 41 BI, 1990).

The closest in technical essence to the present invention is a device containing heaters, temperature sensors, computing unit, the combination of temperature and age of animals, regulators, put him in a unit temperature control and modeling of the temperature of a living object that contains the heater is connected to the actuator output unit comparison, one input of which is through the referencing of convective flow with the measure-programmer, the second output of the timer-programmer through the unit and through the actuator connected with the valve-flow regulator, the third output of the timer-programmer in the control unit convective-radiative heat transfer is connected with the input unit level thermoradiation, the outputs of the combination of thermoradiation and convection is connected to the input of the adder, the output of which is connected to the block comparison, the second input unit of comparison is connected in biocalorimetry with a heat flow sensor, and the output of the Comparer is connected through the actuator system infrared heating with an electric motor actuator moving the infrared burner in the vertical direction (patent RU 2132610 C1, 1998, BI 19, 1999).

The disadvantages of this device heating birds and animals are: - the presence of liquid (water) application of biocalorimetry, which significantly increases the cost of the device and creates technical difficulties when it is used in poultry or livestock building; - the inability to control and adjust the values of the radiant and convective flows at the level of the back of a chicken or other farm animal.

The task of the invention is to optimize the ri outdoor their content directly in the agricultural area. Improving the control accuracy is achieved by direct measurement and regulation of the heat flow at the level of the back of an animal or bird.

In use of the present device, an optimum supply of energy and increases the accuracy of regulation of the desired temperature in the habitat of an animal or bird under the existing regulations.

The above result is achieved that biocalorimetry connected through the control unit outdoor convective flow of air in the agricultural area with the control unit infrared heat emitter, while biocalorimetry made in the form of a thermal bridge in the form of a curved cylinder of vysokoteploprovodnyh material, on the upper end of the heat bridge has a heat flow sensor, and the lower part contains associated with a thermal bridge two telescopic tubes, the outer of which is rigidly cemented floor in agricultural areas, the outer surface of thermal bridge heat-insulated, the first thermocouple in thermal bridge block thermostat connected to the first input of the comparison, the second input of the first unit of comparison is connected through the first Executive paperboy thermocouple has a second heater low-power, above it under the heat flow sensor is installed a second thermocouple, differential included with the first thermocouple, the output of the differential thermocouple is connected to the first input of the second block of comparison, the second input of the second block of comparison associated with the second generator, the output of the second unit of comparison is connected via a second actuator with rekorda heater low power consumption and heat flow sensor is connected to the first input of the third unit of comparison in the control unit by convective flow, the second input of the third unit of comparison is connected with the third unit, the output from the third block of comparison through the Registrar is connected to the first input of the fourth unit of comparison, the second input of the fourth unit of comparison associated with the fourth unit, and the output of the third unit of comparison is connected through the third actuator with the first engine rotation louvers, air ventilation system, while the output of the third unit is connected through the fourth actuator control unit infrared heat emitter with a second engine actuator moving the infrared burner vertically.

The invention is illustrated in the drawing.

The control device gas heating from vysokoteploprovodnyh material, includes sensor 5 heat flux, cuttings, 6, 7, the locking screws 8, 9, the insulation 10, enclosing the grid 11; unit 2 temperature control and simulation of a living object in biocalorimetry 1 including a thermocouple 12 associated with one of the inputs of the block comparison 13, the other input unit of comparison 13 associated with the setting device 14, and the output of the Comparer 13 is connected through the actuator 15 with rekorda heater 16 high power. Simultaneously, the probe 12 with thermocouple 17 is included differential and form a differential thermocouple 12-17, the output of which is connected to one of inputs of the block comparison 18, and the second input unit of comparison 18 is connected to the setting device 19, and the output of the Comparer 18 is connected through the actuator 20 with rekorda heater 21 low power; unit 3 control outdoor convective flow of air associated with the sensor 5 heat flow unit 1 via one of the inputs of the block comparison 22, the other input of the comparison 22 is connected to the unit 23, the output of the Comparer 25 is connected to the generator 26, including the drive motor 28 to rotate the louvers, the air venting system 29; control unit IR-heating 4 associated with the unit 23 unit 3 control convective sweat the Scania IR burner 32.

The proposed regulation combined heating poultry and farm animals at their floor maintenance, including at the initial stage of their development, provides: - control of heating in the location of birds and animals convective flow; - monitoring the local radiation heating using IR emitters at the level of the back of the heated object, taking into account his age.

A basic element of the device is biocalorimetry made in the form of a thermal bridge 1 with the installed heat flow sensor 5 in the upper part and the lower part consisting of telescoping cylindrical tubes 6, 7. The tube 7 is cemented into the floor of the agricultural building. Because the cement floor of the agricultural space has a temperature of 5-10oWith a thermal bridge 1 ensures reliable removal of heat and thus creates the possibility to model using its preheat temperature level of any living organism in the area of the heat flow sensor 5.

Consider the working conditions of the device 1 in the example of the growth and development of Chicks.

Biocalorimetry made in the form of a thermal bridge 1, simulates thermal regime of the body of the chicken (animal) by under the indicators 16, 21 and thermocouples 12 and 17. The sensor 5 has the impact of two streams of heat - convection and radiation. The level of radiation flux for poultry is defined by the rules RSTP 4-93 or dependence:
wherethe time, day, 070.

The value of the radiation flux is stable for a given type of burner 32 is determined by the temperature of the radiating surface and the height of the suspension burner.

The density of the convective flux is determined by the oscillations of the moving air flows along the space and is determined by the difference between the measured sensor 5 on the hanging height h of the burner 32 and a specified heat flux in the generator 26. The value of the optimal heat flux for birds depending on the height of the suspension burner 15 is set in accordance with the rules RSTP 4-93 for birds, i.e.

qp-qWA=qto(), (2)
where qp- radiation heat flux measured by the sensor 5;
qWA- radiation heat flux set in the setting device 23 in accordance with the rules RSTP 4-93 (ratio 1);
qto- convective those who t regulated by the norms of RSTP 4-93, acceptable level of air velocity near the floor, which determines the rate of heat transfer chicken with the environment - air.

qto=-0,0048 td+0,1977, W (3)
where td- the temperature of the airoC.

Permissible temperature of the air in the house in the ratio (3) depending on the age of the chicken is changed in accordance with the rules RSTP 4-93:
td= 25,975-0,1476,C (4)
wherethe time, day, 19.

The signal from the sensor 5 thermal bridge 2, is installed in the house under the infrared burner 32 at the temperature of thermal bridge corresponding to the body temperature of a chicken tCin different periods of its growth:

wherethe time, day, 170.

The device is put into operation as follows.

Included IR burner 32 and the air vent 29.

In the setting device 14, 19, 23, 26 entered:
23 - dependence 1 allowable radiation heat flux for poultry from the time of its growth;
26 - for the URS chicken from the time of its growth;
19 is a constant signal corresponding to the temperature difference between thermocouples 12-17 not above0,001oWith that excludes the zero drift of the line sensor 5 heat flux in the process of heating thermal bridge 1.

After entering these values are included electronic units 2, 3, 4 of the device 1. The signal from the generator 13 through the actuator 30 and the motor 31 of the moving system of the burner 32 sets it to the original height. Simultaneously, the block comparison 25 is determined by the level of acceptable convective flow compared with the specified unit 26. Further, the signal from the block comparison 25 flows through the actuator 27 on the engine open the louvers, the air venting system 29. After installing the unit 14 depending on the temperature of the chicken from the time the signal from thermocouple 12 is passed to the block comparison 13, where it is compared with the set and through the actuator 15 affects Rekord heater 16 high power. Differential thermocouple 12-17 when it beeps unit sraania 18, which is compared with the signal generator 19 and is supplied to the actuator 20, acting through Rekord on the heater 21 small mo in the control of heat flow in the sensor 5 heat flow during long-term control by changing heating temperature of thermal bridge 1, simulating changes in the body temperature of a chicken.

Using a telescopic system base thermal bridge 1, consisting of a monolithic cylindrical part and coaxial tubes 6 and 7, the upper surface sensor 5 heat flux is set relative to the floor level backless chicken in all three periods of its growth: in the first day of the week, the first day of the second week, between 4-9 weeks, which provides a heat flux radiation from the infrared burner in accordance with the rules RSTP 4-93. The rise of the sensor 5 in these periods is carried out by twisting the locking screws 8, 9. After lifting the sensor to a predetermined height h by the same screws thermal bridge 3 is rigidly fixed, i.e. at the beginning of the turn the set screws 8 and a thermal bridge 1 by sliding movement of the tube 6 relative to the tube 7 rises. After lifting the locking screws 8 are rigidly fixed thermal bridge at some height h1. When moving to another height turn the set screws 9 and is the rise of thermal bridge at the height of h2. The lower cylindrical portion of the heat bridge 1 slides on the inner surface of the tube 6. At a given altitude h2with>the device control gas heating when the outdoor poultry and farm animals, including biocalorimetry associated with the block temperature, the control unit convective flow, the control unit IR-heating, temperature sensors and heat flux, characterized in that biocalorimetry connected through the control unit outdoor convective air flow, agricultural premises, with the control unit of the infrared heat emitter, while biocalorimetry made in the form of a thermal bridge in the form of a curved cylinder of vysokoteploprovodnyh material, on the upper end of the heat bridge has a heat flow sensor, and the bottom contains associated with a thermal bridge two telescopic tubes, the outer of which is rigidly cemented floor in agricultural areas, the outer surface of thermal bridge heat-insulated, the first thermocouple in thermal bridge block thermostat connected to the first input of the comparison, the second input of the first unit of comparison is connected through the actuator with rekorda heater high power, installed under the first thermocouple in thermal bridge, on the first thermocouple is installed second) included with the first thermocouple, the output of the differential thermocouple is connected to the first input of the second block of comparison, the second input of the second block of comparison associated with the second generator, the output of the second unit of comparison is connected via a second actuating mechanism rekorda heater low power, and the heat flow sensor is connected to the first input of the third unit, the output from the third block of comparison through the Registrar is connected to the first input of the fourth unit of comparison, the second input of the fourth unit of comparison associated with the fourth unit, and the output of the third unit of comparison is connected through the third actuator with the first engine, the rotation of the air-ventilation system simultaneously, the output of the third unit is connected through the fourth actuator control unit infrared heat emitter with the second motor mechanism for moving the infrared burner vertically.

 

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