CN202171754U - Multi-path constant temperature controller - Google Patents
Multi-path constant temperature controller Download PDFInfo
- Publication number
- CN202171754U CN202171754U CN2011202631382U CN201120263138U CN202171754U CN 202171754 U CN202171754 U CN 202171754U CN 2011202631382 U CN2011202631382 U CN 2011202631382U CN 201120263138 U CN201120263138 U CN 201120263138U CN 202171754 U CN202171754 U CN 202171754U
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- CN
- China
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- circuit
- central processor
- processor mcu
- temperature probe
- multichannel
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- Expired - Fee Related
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Abstract
The utility model relates to a multi-path constant temperature controller, comprising a thermocouple temperature probe, a central processor MCU (Microprogrammed Control Unit), a silicon controlled trigger circuit and a protection circuit. The input terminal of the central processor MCU is in connection with the thermocouple temperature probe, and the output terminal of the central processor MCU is in connection with the silicon controlled trigger circuit; the thermocouple temperature probe converts detected temperature values into electric signals which are inputted into the central processor MCU at regular time; the central processor MCU compares the inputted signals and adjusts output voltage and current of the silicon controlled trigger circuit; the protection circuit and the central processor MCU are in parallel connection with the silicon controlled trigger circuit. According to the utility model, the thermocouple temperature probe of a K type thermocouple is employed to raise temperature detection precision, to guarantee load work stability and thereby to raise a load service life; a plurality of control circuits are combined for use; the multifunction comprises timing control, overtemperature protection, earth leakage protection and open-phase protection; when the voltage is abnormal, the load can be protected from damage in a more comprehensive way.
Description
Technical field
The utility model relates to a kind of technical field of radiator valve, is specifically related to a kind of constant load temperature controlling device that is used for.
Background technology
Radiator valve is a kind of control instrument of widespread use, has a variety of as temperature controlled instrument at present.This quasi-instrument often adopts thermistor to make sensor, and certain temperature transition is become certain voltage or current value, with the voltage set or current value ratio, come regulating and controlling output voltage and electric current with result relatively.1), that thermistor is made the sensor bias rate is big there is following shortcoming in this quasi-instrument:, fail the temperature of timely reaction load present situation, and cause loaded work piece unstable; 2), function singleness, only be used to regulate output voltage and electric current.
The utility model content
The purpose of the utility model provides a kind of high precision, multi-functional multichannel radiator valve in order to overcome the deficiency of present technology.
The purpose of the utility model is to realize like this.
A kind of multichannel radiator valve; Controller includes thermocouple temperature probe, central processor MCU, thyristor gating circuit and holding circuit and forms; Said thermocouple temperature probe adopts K type thermopair; Temperature 0-600 ℃ adjustable, and the input end of central processor MCU is connected with thermocouple temperature probe, and the output terminal of central processor MCU is connected with thyristor gating circuit; Thermocouple temperature probe will detect temperature value and convert electric signal to and regularly import to central processor MCU; The central processor MCU comparator input signal; And the output voltage and the electric current of adjustment thyristor gating circuit, holding circuit is parallelly connected with central processor MCU and thyristor gating circuit.
This multichannel radiator valve and load are used, and adopt the thermocouple temperature probe of K type thermopair, and temperature 0-600 ℃ adjustable.The constant temperature precision is ± 1 ℃.Use automatic thermostat circuit, the required load size of design temperature is calculated, output voltage, the electric current of regulating thyristor gating circuit carry out constant temperature to circuit load to be handled, and makes load continue constant temperature, reaches energy-conservation and prolongs the apparatus of load purpose in serviceable life.And can the multichannel thermostatic control, every road can be provided with different temperatures.
Technique scheme also can be done following further perfect.
Said thyristor gating circuit is adjustable constant voltage, constant-current circuit.Make when loading on work, can remain in stable temperature, stable voltage and the stable electric current and work, thereby make load obtain prolonging serviceable life.
Said holding circuit includes timing control circuit, overtemperature prote circuit, leakage protection circuit and open-phase protection circuit, and holding circuit detects and control the WV of said controller, and holding circuit also is connected with warning circuit.Timing control circuit: can set the working time that loads on appointment closes down or alarm.The overtemperature prote circuit: after setting the overtemperature prote temperature, when temperature arrives temperature is set, controller electric heating power cut-off, electrothermal load are forced to close down; Protection equipment.Leakage protection circuit: when detecting the equipment electric leakage, all loads are closed down, the protection personal safety.Open-phase protection circuit: when the power supply phase shortage, controller can not be worked.Warning circuit: during all emergency protections, the output prompting respectively of reporting to the police, the operator can take corresponding measure to solve fault by prompting.
Said controller also is provided with display.Display shows present situation temperature and corresponding operation, makes the user easy to operate.
The beneficial effect of the utility model is.
This multichannel radiator valve adopts the thermocouple temperature probe of K type thermopair, has improved the precision of detected temperatures, proof load work stable, thus improve serviceable life of load; Use through a plurality of control circuit combinations, multi-functional timing controlled, overtemperature prote, earth leakage protection and the open-phase protection of comprising when electric voltage exception, more fully improves the protection load and is not damaged.
Description of drawings
Fig. 1 is the schematic diagram of multichannel radiator valve.
Fig. 2 is the circuit diagram of thyristor gating circuit.
Embodiment
Below in conjunction with accompanying drawing utility model is done further to detail.
As depicted in figs. 1 and 2; A kind of multichannel radiator valve; Controller includes thermocouple temperature probe 2, central processor MCU 1, thyristor gating circuit 3 and holding circuit 4 to be formed, and said thermocouple temperature probe 2 adopts K type thermopair, and temperature 0-600 ℃ adjustable; The input end of central processor MCU 1 is connected with thermocouple temperature probe 2, and the output terminal of central processor MCU 1 is connected with thyristor gating circuit 3; Thermocouple temperature probe 2 will detect temperature value and convert electric signal to regularly to central processor MCU 1 input, central processor MCU 1 comparator input signal, and the output voltage and the electric current of adjustment thyristor gating circuit 3; Said holding circuit 4 includes timing control circuit 5, overtemperature prote circuit 6, leakage protection circuit 7 and open-phase protection circuit 8, and holding circuit 4 is parallelly connected with central processor MCU 1 and thyristor gating circuit 3.Holding circuit 4 detects and controls the WV of said controller, and holding circuit 4 also is connected with warning circuit 9.
Said thyristor gating circuit 3 is adjustable constant voltage, constant-current circuit.Make when loading on work, can remain in stable temperature, stable voltage and the stable electric current and work, thereby make load obtain prolonging serviceable life.
Said controller also is provided with display 10.Display 10 shows present situation temperature and corresponding operation, makes the user easy to operate.
During loaded work piece, because variation that the user uses and use for a long time; Can make the temperature of load be higher than the temperature of original setting, can make the equipment of load be in high load capacity work like this, so long-term; Can influence the operate as normal of load and the serviceable life of shortening load, for this reason; This multichannel radiator valve and load are used, and adopt the thermocouple temperature probe 2 of K type thermopair, and temperature 0-600 ℃ adjustable.The constant temperature precision is ± 1 ℃.Use the multichannel radiator valve, the current temperature of timing acquiring load is through electric signal input central processor MCU 1; Current temperature value and set temperature value are made comparisons; And calculate required output voltage of present situation load and output current size, thus control thyristor gating circuit 3, output voltage, the electric current of regulating thyristor gating circuit 3 carry out constant temperature to circuit load to be handled; Make load continue constant temperature, reach energy-conservation and prolong the apparatus of load purpose in serviceable life.And can the multichannel thermostatic control, every road can be provided with different temperatures.
Timing control circuit 5: can use needs according to the user, set up on their own and load on the assigned work time and close down or alarm.Overtemperature prote circuit 6: the timing detected temperatures, be used for comparing with setting overtemperature prote temperature value, when temperature arrives temperature is set, controller electric heating power cut-off, the electrothermal load pressure is closed down; Protection equipment.Leakage protection circuit 7: when detecting the equipment electric leakage, close down all loads, the protection load is avoided further damage and is guaranteed user's personal safety.Open-phase protection circuit 8: when the power supply phase shortage, controller can not be worked.Warning circuit 9: during all emergency protections, the output prompting respectively of reporting to the police, the operator can take corresponding measure to solve fault by prompting.
Claims (5)
1. multichannel radiator valve; It is characterized in that: controller includes thermocouple temperature probe, central processor MCU, thyristor gating circuit and holding circuit and forms; The input end of central processor MCU is connected with thermocouple temperature probe, and the output terminal of central processor MCU is connected with thyristor gating circuit; Thermocouple temperature probe will detect temperature value and convert electric signal to and regularly import to central processor MCU; The central processor MCU comparator input signal; And the output voltage and the electric current of adjustment thyristor gating circuit, holding circuit is parallelly connected with central processor MCU and thyristor gating circuit.
2. according to the said a kind of multichannel radiator valve of claim 1, it is characterized in that: said thermocouple temperature probe adopts K type thermopair, and temperature 0-600 ℃ adjustable.
3. according to the said a kind of multichannel radiator valve of claim 1, it is characterized in that: said thyristor gating circuit is adjustable constant voltage, constant-current circuit.
4. according to the said a kind of multichannel radiator valve of claim 1; It is characterized in that: said holding circuit includes timing control circuit, overtemperature prote circuit, leakage protection circuit and open-phase protection circuit; Holding circuit detects and controls the WV of said controller, and holding circuit also is connected with warning circuit.
5. according to the said a kind of multichannel radiator valve of claim 1, it is characterized in that: said controller also is provided with display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202631382U CN202171754U (en) | 2011-07-25 | 2011-07-25 | Multi-path constant temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202631382U CN202171754U (en) | 2011-07-25 | 2011-07-25 | Multi-path constant temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202171754U true CN202171754U (en) | 2012-03-21 |
Family
ID=45829948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202631382U Expired - Fee Related CN202171754U (en) | 2011-07-25 | 2011-07-25 | Multi-path constant temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202171754U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106020287A (en) * | 2016-06-07 | 2016-10-12 | 中国南方航空工业(集团)有限公司 | Temperature limitation device for gas turbine |
| CN107357333A (en) * | 2017-07-30 | 2017-11-17 | 李乔 | Local radiator valve in the range of a kind of temperature control of improved structure |
| CN111342087A (en) * | 2020-03-31 | 2020-06-26 | 苏州钧峰新能源科技有限公司 | RMFC control module analysis circuit system for fuel cell power system |
-
2011
- 2011-07-25 CN CN2011202631382U patent/CN202171754U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106020287A (en) * | 2016-06-07 | 2016-10-12 | 中国南方航空工业(集团)有限公司 | Temperature limitation device for gas turbine |
| CN107357333A (en) * | 2017-07-30 | 2017-11-17 | 李乔 | Local radiator valve in the range of a kind of temperature control of improved structure |
| CN107357333B (en) * | 2017-07-30 | 2023-12-22 | 李乔 | Local constant temperature controller with improved structure in temperature control range |
| CN111342087A (en) * | 2020-03-31 | 2020-06-26 | 苏州钧峰新能源科技有限公司 | RMFC control module analysis circuit system for fuel cell power system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120321 Termination date: 20130725 |