CN201892882U - Constant-temperature control system for heating heat-treatment equipment - Google Patents
Constant-temperature control system for heating heat-treatment equipment Download PDFInfo
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- CN201892882U CN201892882U CN 201020663436 CN201020663436U CN201892882U CN 201892882 U CN201892882 U CN 201892882U CN 201020663436 CN201020663436 CN 201020663436 CN 201020663436 U CN201020663436 U CN 201020663436U CN 201892882 U CN201892882 U CN 201892882U
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- temperature
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Abstract
The utility model relates to a constant-temperature control system for heating heat-treatment equipment, wherein a measured temperature signal is transferred to a temperature control unit through a temperature sensor, the temperature signal is calculated through the temperature control unit, then the calculated temperature signal is transferred to a power control unit, the magnitude of electric power output to a temperature regulating unit is controlled by the power control unit according to a control signal for temperature regulation, and the power control unit is powered by a power supply; and a warning device is connected to the power control unit. A temperature control instrument is an instrument with own PID (Proportion Integration Differentiation) setting, can be used for automatically regulating the magnitude of the output signal according to the actual temperature and simultaneously has the function of all-purpose input signal selection, and the power control unit has the functions of soft starting, soft closing, constant-current, current-limiting and open-phase protection, load wire-breaking protection, overcurrent protection, overheating protection and the like.
Description
Technical field
The utility model relates to a kind of heat treated heating system, especially relates to a kind of thermostatic control system of heat treating equipment heating.
Background technology
In heat treatment industry; the constant temperature system of heating has a variety of; but can reach temperature-controlled precision positive and negative 1 the degree scope in seldom; and contactor occurring through regular meeting, these constant temperature systems burn out; temperature is lost control of always or is surpassed the temperature of setting or do not reach desirable design temperature, and the quality of heat treatment process is brought many restraining factors.
Summary of the invention
Technical matters to be solved by this invention provides a kind of thermostatic control system that can accurately control the heat treating equipment heating of temperature.
The present invention solves the technical scheme that its technical matters takes: a kind of thermostatic control system of heat treating equipment heating, temperature sensor is delivered to temperature control unit with the temperature signal that measures, temperature control unit calculates temperature signal, control signal after will calculating then passes to power control unit, power control unit will be controlled the big or small thermostat unit of giving of output of electric power according to control signal, make its temperature can reach the ideal control scope.
In order to make thermostatic control system occur in time to report to the police unusual the time, be connected with warning device on the described power control unit.
In order to be that this thermostatic control system can better be worked, what described temperature sensor adopted is occasionally thermal resistance of thermoelectricity; What described temperature control unit adopted is the temperature control instrument of band PID function; Described power control unit includes control circuit, and control circuit is connected with current sensing means with power device respectively, and current sensing means is connected with power device with power supply respectively, and power device is connected with thermostat unit; Be provided with fuse between described power supply and the current sensing means; Be connected with transformer between described power device and the thermostat unit.
Of the present utility modelly have a mind to effect and be: temperature control instrument is the instrument of adjusting with self PID; can regulate the size of the signal of output according to the temperature of reality automatically; have omnipotent input signal simultaneously and select, power control unit has functions such as soft start, soft shutoff, constant current, current limliting and open-phase protection, load breaking protection, overcurrent protection, overheating protection.
Description of drawings
Fig. 1 is a system of the present utility model connection diagram.
Among the figure: 1, temperature sensor 2, temperature control unit 3, power control unit 4, control circuit 5, power device 6, current sensing means 7, power supply 8, fuse 9, warning device 10, transformer 11, thermostat unit 12, heating element
Embodiment
A kind of as shown in Figure 1 thermostatic control system of heat treating equipment heating, temperature sensor 1 is delivered to temperature control unit 2 with the temperature signal that measures, 2 pairs of temperature signals of temperature control unit calculate, control signal after will calculating then passes to power control unit 3, power control unit 3 regulates for 11 pairs of temperature of thermostat unit according to the output size of control signal control electric power, and power control unit 3 has power supply to 7 its power supplies; Be connected with warning device 9 on the described power control unit 3; What described temperature sensor 1 adopted is occasionally thermal resistance of thermoelectricity; What described temperature control unit 2 adopted is the temperature control instrument of band PID function; Described power control unit 3 includes control circuit 4, and control circuit 4 is connected with current sensing means 6 with power device 5 respectively, and current sensing means 6 is connected with power device 5 with power supply 7 respectively, and power device 5 is connected with thermostat unit 11; Be provided with fuse 8 between described power supply 7 and the current sensing means 6; Be connected with transformer 10 between described power device 5 and the thermostat unit 11; Thermostat unit 11 is regulated temperature by heating element 12 wherein, produces the environment of constant temperature.
Temperature control instrument is the instrument of adjusting with self PID, and the size that can regulate the signal of output according to the temperature of reality automatically has omnipotent input signal simultaneously and selects, and can select thermopair, thermal resistance, and voltage signals etc. are as the input source of temperature signal.
Adopt above-mentioned power control unit 3 will have functions such as soft start, soft shutoff, constant current, current limliting and open-phase protection, load breaking protection, overcurrent protection, overheating protection.
1. soft start, soft turn-off function: the soft shutoff of soft start is meant that power supply comes into operation or given voltage when sharply changing, and output can sharply not change thereupon.In the inductive load occasion, can prevent that the impact of dash current and high back voltage from destroying silicon controlled.When importing for step evolution, the soft start soft turn-off function can make the output smooth variation.The soft turn-off time of soft start is about 2-3 second.
2. constant current function: when adopting current feedback, if given signal is constant, even load changes with environmental change, output current can be in the rated current scope any point all can reach the purpose of steady current.
3. current-limiting function: when the user job electric current greater than rated current 105% the time, power controller will reduce conduction angle automatically, the restriction output current rated current 105% in.
4. overcurrent protection function: when the working current peak value greater than rated operational current 150% the time, power controller will be rapidly by all output, and self-locking.Power supply must be turned off, after the inspection load, just operate as normal can be reset.
5. open-phase protection function: when the three-phase input power supply of power controller lacks a wherein phase time, power controller is all exported automatic cut-off, and self-locking.Power supply must be turned off, after the inspection load, just operate as normal can be reset.
6. overheat protective function: during higher or blower fan stall, cause that power controller was all exported automatic cut-off when radiator temperature surpassed 85 ℃ when environment temperature, and self-locking.Power supply must be turned off, behind the inspection blower fan, just operate as normal can be reset.
Claims (7)
1. the thermostatic control system of heat treating equipment heating, it is characterized in that: temperature sensor (1) is delivered to temperature control unit (2) with the temperature signal that measures, temperature control unit (2) calculates temperature signal, control signal after will calculating then passes to power control unit (3), power control unit (3) regulates for thermostat unit (11) according to the output size of control signal control electric power to temperature, power control unit (3) has power supply (7) to its power supply.
2. the thermostatic control system of heat treating equipment heating according to claim 1 is characterized in that: be connected with warning device (9) on the described power control unit (3).
3. the thermostatic control system of heat treating equipment heating according to claim 1 and 2 is characterized in that: what described temperature sensor (1) adopted is occasionally thermal resistance of thermoelectricity.
4. the thermostatic control system of heat treating equipment heating according to claim 1 and 2 is characterized in that: what described temperature control unit (2) adopted is the temperature control instrument of band PID function.
5. the thermostatic control system of heat treating equipment heating according to claim 1 and 2, it is characterized in that: described power control unit (3) includes control circuit (4), control circuit (4) is connected with current sensing means (6) with power device (5) respectively, current sensing means (6) is connected with power device (5) with power supply (7) respectively, and power device (5) is connected with thermostat unit (11).
6. the thermostatic control system of heat treating equipment heating according to claim 5 is characterized in that: be provided with fuse (8) between described power supply (7) and the current sensing means (6).
7. the thermostatic control system of heat treating equipment heating according to claim 5 is characterized in that: be connected with transformer (10) between described power device (5) and the thermostat unit (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020663436 CN201892882U (en) | 2010-12-16 | 2010-12-16 | Constant-temperature control system for heating heat-treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020663436 CN201892882U (en) | 2010-12-16 | 2010-12-16 | Constant-temperature control system for heating heat-treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201892882U true CN201892882U (en) | 2011-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020663436 Expired - Fee Related CN201892882U (en) | 2010-12-16 | 2010-12-16 | Constant-temperature control system for heating heat-treatment equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN201892882U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253677A (en) * | 2010-12-16 | 2011-11-23 | 苏州工业园区姑苏科技有限公司 | Constant temperature control system used for heating of heat treatment device |
| CN110750112A (en) * | 2019-09-29 | 2020-02-04 | 江苏学泰印务有限公司 | Automatic constant temperature circulation system |
-
2010
- 2010-12-16 CN CN 201020663436 patent/CN201892882U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253677A (en) * | 2010-12-16 | 2011-11-23 | 苏州工业园区姑苏科技有限公司 | Constant temperature control system used for heating of heat treatment device |
| CN110750112A (en) * | 2019-09-29 | 2020-02-04 | 江苏学泰印务有限公司 | Automatic constant temperature circulation 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: 20110706 Termination date: 20121216 |