CN203338176U - Constant-temperature control device - Google Patents
Constant-temperature control device Download PDFInfo
- Publication number
- CN203338176U CN203338176U CN2013204011133U CN201320401113U CN203338176U CN 203338176 U CN203338176 U CN 203338176U CN 2013204011133 U CN2013204011133 U CN 2013204011133U CN 201320401113 U CN201320401113 U CN 201320401113U CN 203338176 U CN203338176 U CN 203338176U
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- CN
- China
- Prior art keywords
- thermometer
- control
- contactor
- pressure regulator
- voltage regulator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a constant-temperature control device. Most of conventional constant-temperature control devices have complicated structures, and the conventional constant-temperature control devices are high in manufacturing cost, poor in control accuracy and not convenient to control. The technical scheme is characterized in that: a breaker, an AC contactor, a voltage regulator and a thermometer performing PID arithmetic operation are installed in a control cabinet; the breaker, the AC contactor and the voltage regulator are connected in series, and then are connected with a heater; the thermometer is connected with the voltage regulator; and the thermometer outputs a control signal to the voltage regulator, and the voltage regulator outputs a corresponding voltage on the basis of the control signal to the heater. The thermometer is used for automatic control, so the circuit is simpler and more reliable, the temperature can be changed flexibly and conveniently, and the constant-temperature control device has the advantages of strong function, fast processing speed and high control accuracy.
Description
Technical field
The utility model relates to automatic temperature control, specifically a kind of thermostatically-controlled equipment.
Background technology
Temperature is controlled to adopt manually and is controlled, and not only need personnel guard on duty, and temperature error is larger.The most complex structure of current thermostatically-controlled equipment, manufacturing cost is high and control inconvenience, control accuracy is poor.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defect that above-mentioned prior art exists, provide a kind of reasonable in design, adopt PID to regulate the thermostatically-controlled equipment that the temperature made in high temperature resistant chamber remains on design temperature.
For this reason, the utility model adopts following technical scheme: a kind of thermostatically-controlled equipment, comprise switch board, it is characterized in that, the thermometer of isolating switch, A.C. contactor, pressure regulator and implementation PID computing is housed in described switch board, is connected with a well heater after described isolating switch, A.C. contactor and pressure regulator series connection, described thermometer is connected with described pressure regulator, thermometer output control signal is to pressure regulator, and pressure regulator is exported relevant voltage to well heater according to control signal.
Further, the panel of described switch board is provided with run indicator, plays the operation indicative function.
Further, the panel of described switch board is provided with stop button and the start button be connected with A.C. contactor, by A.C. contactor, carries out on off control.
The utility model compared with prior art, has following beneficial effect:
1. adopt thermometer automatically to control, make circuit more simple and reliable, and it is flexible to change temperature, function is strong, and processing speed is fast, and control accuracy is high.
2. adopt the output power of pressure regulator voltage-regulation principle control heater, thus the thermostatic control of realizing ideal.
3. the utility model is reasonable in design, has a volume little, lightweight, low in energy consumption, reliable, and environmental suitability is strong, long outstanding advantages and the good effect of waiting of life-span.
The accompanying drawing explanation
The schematic diagram that Fig. 1 is the utility model switch board panel.
Fig. 2 is the electrical equipment structural representation in the utility model switch board.
Fig. 3 is electrical equipment connecting circuit figure described in the utility model.
Embodiment
Below in conjunction with specification drawings and specific embodiments, the utility model is described in further detail.
Thermostatically-controlled equipment as shown in the figure, the thermometer 6 of isolating switch 5, A.C. contactor 7, pressure regulator 8 and implementation PID computing is housed in switch board 1, after described isolating switch 5, A.C. contactor 7 and pressure regulator 8 series connection, with well heater 9, be connected, described thermometer 6 is connected with described pressure regulator 8.Thermometer 6 output control signals are to pressure regulator 8, and pressure regulator 8 is exported relevant voltage to well heater 9 according to control signal.The panel of described switch board 1 is provided with run indicator 2, the stop button 4 be connected with A.C. contactor 7 and start button 3.
During the utility model work, the isolating switch 5 that closes, when pressing start button 3, A.C. contactor 7 coils obtain electric adhesive, and at this moment, the run indicator 2 be placed on the switch board panel is bright.Thermometer 6 is carried out the PID computing, and the output control signal is to pressure regulator 8, and pressure regulator 8 is given heating 9 according to control signal output relevant voltage, thereby starts heating.When pressing stop button 4, A.C. contactor 7 coil losing electricities discharge, thereby stop heating.
Claims (3)
1. a thermostatically-controlled equipment, comprise switch board (1), it is characterized in that, the thermometer (6) of isolating switch (5), A.C. contactor (7), pressure regulator (8) and implementation PID computing is housed in described switch board (1), after described isolating switch (5), A.C. contactor (7) and pressure regulator (8) series connection, with a well heater (9), be connected, described thermometer (6) is connected with described pressure regulator (8), thermometer (6) output control signal is to pressure regulator (8), and pressure regulator (8) is exported relevant voltage to well heater (9) according to control signal.
2. thermostatically-controlled equipment according to claim 1, is characterized in that, the panel of described switch board (1) is provided with run indicator (2).
3. thermostatically-controlled equipment according to claim 1 and 2, is characterized in that, the panel of described switch board (1) is provided with stop button (4) and the start button (3) be connected with A.C. contactor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204011133U CN203338176U (en) | 2013-07-06 | 2013-07-06 | Constant-temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204011133U CN203338176U (en) | 2013-07-06 | 2013-07-06 | Constant-temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203338176U true CN203338176U (en) | 2013-12-11 |
Family
ID=49706841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204011133U Expired - Fee Related CN203338176U (en) | 2013-07-06 | 2013-07-06 | Constant-temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203338176U (en) |
-
2013
- 2013-07-06 CN CN2013204011133U patent/CN203338176U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20160706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |