CN201464934U - Aging room temperature automatic control circuit - Google Patents
Aging room temperature automatic control circuit Download PDFInfo
- Publication number
- CN201464934U CN201464934U CN2009201317117U CN200920131711U CN201464934U CN 201464934 U CN201464934 U CN 201464934U CN 2009201317117 U CN2009201317117 U CN 2009201317117U CN 200920131711 U CN200920131711 U CN 200920131711U CN 201464934 U CN201464934 U CN 201464934U
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- burn
- microcontroller
- temperature control
- control circuit
- chamber
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Abstract
The utility model discloses an aging room temperature automatic control circuit, which comprises a microcontroller, and a power supply part, a heating switch, a temperature detection circuit, a control button and a display element for displaying the setup temperature, which are connected with the microcontroller, wherein the heating switch is connected with a heating element of the aging room; when the detection temperature received by the microcontroller is lower than the setup temperature, the microcontroller outputs a connection signal to the heating switch, so the heating switch is turned on, and the heating element is heated; and when the detection temperature received by the microcontroller is equal to or higher than the setup temperature, no connection signal is outputted, so the heating switch is not turned on, and the heating element stops heating. By adopting the single chip with low cost, only two nixietubes are adopted, and an external control end port is provided and can be integrated with a control system, so the aging room temperature automatic control circuit has the advantages of low cost, stable performance and strong adaptability, and is particularly applicable to the temperature control of the aging room.
Description
Technical field
The utility model relates to a kind of temperature-control circuit, more particularly is meant a kind of temperature-control circuit that burn-in chamber uses that is suitable for.
Background technology
In the prior art, temperature-control circuit is many in the extreme, ripe temperature controller (instrument) supply is also arranged, as yet these temperature control products are many is general, novel product burn-in chamber at our company, then poor for applicability, main cause is not strong with the conformability of whole burn-in chamber control system, the cost height, particularly temperature control precision and temperature controlling range and burn-in chamber require inequality, adopt the intelligent PID function of temperature control as common temperature controller as many, the chip that adopts requires high, and price is high, and its temperature controlling range of and for example general temperature controller can reach the 200-300 degree, and the temperature of burn-in chamber is mostly below 100 degree, so adopt general temperature controller can cause cost to increase.
Based on the defective of above-mentioned prior art, be necessary specific (special) requirements according to our company's new product burn-in chamber, develop a kind of automatic temperature control circuit.
The utility model content
The purpose of this utility model is to provide a kind of temperature-control circuit that burn-in chamber uses that is particularly suitable for for overcoming the deficiencies in the prior art.
The utility model technology contents is: a kind of burn-in chamber automatic temperature control circuit, comprise microcontroller, and the power supply unit, heater switch, temperature sensing circuit, the control knob that connect with microcontroller and the display element that is used for the display setting temperature, described heater switch connects with the heating element of burn-in chamber; When the detected temperatures that described microcontroller receives is lower than design temperature, export Continuity signal to heater switch, the heater switch conducting, heating element heats; When the detected temperatures that described microcontroller receives is equal to or higher than design temperature, no Continuity signal output, not conducting of heater switch, heating element stops heating.
Its further technology contents is: also comprise fan swicth and be used for the fan that burn-in chamber dispels the heat; Described fan swicth connects with microcontroller, and described power supply unit comprises power input and Voltage stabilizing module.
Its further technology contents is: also comprise the pilot lamp that connects with microcontroller, described control knob comprises " subtracting " button that is used to increase " adding " button of design temperature and reduces design temperature.
Its further technology contents is: also comprise the external-connected port that is used for design temperature that connects with microcontroller.
Its further technology contents is: described heater switch and phoenix fan switch are relay switch.
Its further technology contents is: described display element is two charactrons.
Its further technology contents is: described charactron is FJS18102BH.
Its further technology contents is: described Voltage stabilizing module comprises 7805 voltage stabilizers.
Its further technology contents is: described microcontroller is a HT46R23 type single-chip microcomputer.
Its further technology contents is: described pilot lamp comprises setting, heating, keeps three state LED light.
The utility model beneficial effect compared with prior art is: the utility model adopts low cost single chip (as HT46R23), only adopt two charactrons, has external control port, can combine with control system, have that cost is low, stable performance, adaptable characteristics, be particularly suitable for the temperature control of burn-in chamber.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is the circuit block diagram of a kind of burn-in chamber automatic temperature control circuit of the utility model specific embodiment;
Fig. 2 is the circuit theory diagrams of a kind of burn-in chamber automatic temperature control circuit of the utility model specific embodiment;
Reference numeral
1 power supply unit, 11 power inputs
2 microcontrollers, 3 display elements
4 fan swicthes, 41 fans
5 heater switch, 51 heating elements
6 temperature sensing circuits, 7 control knobs
71 external-connected ports, 8 pilot lamp
Embodiment
In order to more fully understand technology contents of the present utility model, the technical solution of the utility model is further introduced and explanation below in conjunction with specific embodiment.
As depicted in figs. 1 and 2, a kind of burn-in chamber automatic temperature control circuit of the utility model, comprise microcontroller 2, and the power supply unit 1, heater switch 5, the temperature sensing circuit 6 that connect with microcontroller 2 (are made of external thermal resistance and R18, C12, J2 is the thermal resistance external-connected port), control knob 7 and be used for the display element 3 of display setting temperature, heater switch 5 connects with the heating element 51 (electric heater, external by J6) of burn-in chamber; When the detected temperatures that microcontroller 2 receives is lower than design temperature, export Continuity signal to heater switch 5, heater switch 5 conductings, heating element 51 heats; When the detected temperatures that microcontroller 2 receives is equal to or higher than design temperature, no Continuity signal output, heater switch 5 not conductings, heating element 51 stops heating.Also comprise fan swicth 4 and be used for the fan 41 (external by J5, fan is mainly used to heat radiation) that burn-in chamber dispels the heat; Fan swicth 4 connects (according to the control signal work of microcontroller) with microcontroller 2, power supply unit 1 comprises power input 11 and Voltage stabilizing module 12.Also comprise the pilot lamp 8 that connects with microcontroller 2, control knob 7 comprises " subtracting " button (S1 among Fig. 2) that is used for increasing " adding " button (S2 of Fig. 2) of design temperature and reduces design temperature.Also comprise the external-connected port that is used for design temperature 71 (J3 of Fig. 2 and J4) that connects with microcontroller 2.Heater switch 5 and phoenix fan switch 4 are relay switch (K1 among Fig. 2 and K2) (power supply of heating element and fan is provided by other circuit).Display element 3 is two charactrons.Charactron is FJS18102BH.Voltage stabilizing module 12 comprises 7805 voltage stabilizers.Microcontroller is a HT46R23 type single-chip microcomputer.Also comprise the pilot lamp 8 that connects with microcontroller 2, pilot lamp comprises setting, heating, keeps three state LED light (LED1 among Fig. 2, LED2 and LED3).
In sum, the utility model adopts low cost single chip (as HT46R23), only adopts two charactrons, has external control port, can combine with control system, have that cost is low, a stable performance, adaptable characteristics, be particularly suitable for the temperature control of burn-in chamber.
The above only further specifies technology contents of the present utility model with embodiment; so that the reader is more readily understood; but do not represent embodiment of the present utility model to only limit to this, any technology of doing according to the utility model is extended or recreation, all is subjected to protection of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (10)
1. burn-in chamber automatic temperature control circuit, its feature comprises microcontroller, and the power supply unit, heater switch, temperature sensing circuit, the control knob that connect with microcontroller and the display element that is used for the display setting temperature, described heater switch connects with the heating element of burn-in chamber; When the detected temperatures that described microcontroller receives is lower than design temperature, export Continuity signal to heater switch, the heater switch conducting, heating element heats; When the detected temperatures that described microcontroller receives is equal to or higher than design temperature, no Continuity signal output, not conducting of heater switch, heating element stops heating.
2. a kind of burn-in chamber automatic temperature control circuit according to claim 1 is characterized in that the fan that also comprises fan swicth and be used for the burn-in chamber heat radiation; Described fan swicth connects with microcontroller, and described power supply unit comprises power input and Voltage stabilizing module.
3. a kind of burn-in chamber automatic temperature control circuit according to claim 2, it is characterized in that also comprising the pilot lamp that connects with microcontroller, described control knob comprises " subtracting " button that is used to increase " adding " button of design temperature and reduces design temperature.
4. a kind of burn-in chamber automatic temperature control circuit according to claim 3 is characterized in that also comprising the external-connected port that is used for design temperature that connects with microcontroller.
5. according to claim 2,3 or 4 described a kind of burn-in chamber automatic temperature control circuits, it is characterized in that described heater switch and phoenix fan switch is relay switch.
6. according to claim 1,2,3 or 4 described a kind of burn-in chamber automatic temperature control circuits, it is characterized in that described display element is two charactrons.
7. a kind of burn-in chamber automatic temperature control circuit according to claim 6 is characterized in that described charactron is FJS18102BH.
8. according to claim 2,3 or 4 described a kind of burn-in chamber automatic temperature control circuits, it is characterized in that described Voltage stabilizing module comprises 7805 voltage stabilizers.
9. according to claim 2,3 or 4 described a kind of burn-in chamber automatic temperature control circuits, it is characterized in that described microcontroller is a HT46R23 type single-chip microcomputer.
10. according to claim 3 or 4 described a kind of burn-in chamber automatic temperature control circuits, it is characterized in that described pilot lamp comprises setting, heating, keeps three state LED light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201317117U CN201464934U (en) | 2009-05-08 | 2009-05-08 | Aging room temperature automatic control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201317117U CN201464934U (en) | 2009-05-08 | 2009-05-08 | Aging room temperature automatic control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201464934U true CN201464934U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201317117U Expired - Fee Related CN201464934U (en) | 2009-05-08 | 2009-05-08 | Aging room temperature automatic control circuit |
Country Status (1)
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| CN (1) | CN201464934U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455716A (en) * | 2010-10-20 | 2012-05-16 | 技鼎股份有限公司 | Rapid cooling device and temperature control method thereof |
| CN102478860A (en) * | 2010-11-29 | 2012-05-30 | 西安康瑞矿用设备有限公司 | Temperature controller used for distribution device |
| CN102478642A (en) * | 2010-11-27 | 2012-05-30 | 西安大昱光电科技有限公司 | LED street-lamp high-temperature environment test control system |
| CN102508139A (en) * | 2011-09-30 | 2012-06-20 | 滨州市甘德电子科技有限公司 | Particle aging detection device of LED (Light Emitting Diode) chip |
-
2009
- 2009-05-08 CN CN2009201317117U patent/CN201464934U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455716A (en) * | 2010-10-20 | 2012-05-16 | 技鼎股份有限公司 | Rapid cooling device and temperature control method thereof |
| CN102455716B (en) * | 2010-10-20 | 2013-12-18 | 技鼎股份有限公司 | Rapid cooling device and temperature control method thereof |
| CN102478642A (en) * | 2010-11-27 | 2012-05-30 | 西安大昱光电科技有限公司 | LED street-lamp high-temperature environment test control system |
| CN102478860A (en) * | 2010-11-29 | 2012-05-30 | 西安康瑞矿用设备有限公司 | Temperature controller used for distribution device |
| CN102508139A (en) * | 2011-09-30 | 2012-06-20 | 滨州市甘德电子科技有限公司 | Particle aging detection device of LED (Light Emitting Diode) chip |
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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: 20100512 Termination date: 20130508 |