CN204832991U - TEC control by temperature change actuating system based on PID compensation - Google Patents
TEC control by temperature change actuating system based on PID compensation Download PDFInfo
- Publication number
- CN204832991U CN204832991U CN201520500666.3U CN201520500666U CN204832991U CN 204832991 U CN204832991 U CN 204832991U CN 201520500666 U CN201520500666 U CN 201520500666U CN 204832991 U CN204832991 U CN 204832991U
- Authority
- CN
- China
- Prior art keywords
- signal
- resistance
- circuit
- pid
- tec
- 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
Links
Landscapes
- Amplifiers (AREA)
Abstract
The utility model belongs to the technical field of the control by temperature change technique and specifically relates to a TEC control by temperature change actuating system of based on PID compensating network. It compensates module, H bridge drive circuit and TEC unit including temperature sensor, temperature measurement circuit, differential amplification circuit, singlechip, the PID who connects gradually, the singlechip still is connected with acousto -optic warning circuit and display circuit. The utility model discloses a temperature sensor determine TEC unit temperature signal, simultaneously, realize dangerous early warning and signal display through acousto -optic warning circuit and display circuit, and, utilize PID to compensate the PID signal compensation that the module realized the signal, its simple structure, convenient operation has very strong practicality.
Description
Technical field
The utility model relates to temperature control technology field, especially a kind of TEC temperature control drive system based on PID corrective network.
Background technology
As everyone knows, chemiluminescence immunoassay reaction is what to carry out under certain temperature environment, the height of temperature of reaction and stability directly determine the accuracy of chemiluminescence immune assay result, the regulation and control of its temperature adopt TEC (semiconductor cooler) to nurse one's health mostly, but at present, control system for TEC temperature is perfect all not enough, the rationally efficient control system lacked.
Utility model content
For above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of TEC temperature control drive system based on PID corrective network.
To achieve these goals, the utility model adopts following technical scheme:
Based on a TEC temperature control drive system for PID corrective network, it comprises temperature sensor, temperature sensing circuit, differential amplifier circuit, single-chip microcomputer, audible-visual annunciator, display circuit, PID compensating module, H-bridge drive circuit and TEC unit;
Described temperature sensor detects the temperature signal of TEC unit in real time and signal is inputed to temperature sensing circuit, described temperature sensing circuit converts the signal into actual temperature voltage signal and signal is inputed to differential amplifier circuit, signal is carried out differential amplification and signal is inputed to single-chip microcomputer by described differential amplifier circuit, signal carries out arranging and by signal feedback to sound light alarming circuit by described single-chip microcomputer, display circuit and PID compensating module, signal is carried out PID compensation and signal is inputed to H-bridge drive circuit by described PID compensating module, described H-bridge drive circuit produces drive singal and signal is inputed to TEC unit.
Preferably, described TEC unit is provided with heating radiator.
Preferably, described temperature sensing circuit comprises the first amplifier and the first adjustable resistance, the output terminal of described first amplifier is connected with differential amplifier circuit, the output terminal of described first amplifier is connected with the end of oppisite phase of self by the 8th resistance, five resistance of end of oppisite phase by connecting successively of described first amplifier, 3rd resistance and the first resistance access power supply, by the first electric capacity and the second capacity earth between described first resistance and the 3rd resistance, the stiff end of described first adjustable resistance and the first Capacitance parallel connection, the adjustable end of described first adjustable resistance is connected with the first diode, six resistance of the in-phase end of described first amplifier by the 7th resistance eutral grounding and by connecting successively, second resistance and the first resistance access power supply, described temperature sensor is connected between the second resistance and the 6th resistance.
Owing to have employed such scheme, the utility model detects TEC cell temperature signal by temperature sensor; Meanwhile, sound light alarming circuit and display circuit realize danger early warning and Signal aspects; Further, by the PID signal compensation utilizing PID compensating module to realize signal, its structure is simple, easy to operate, has very strong practicality.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the utility model embodiment;
Fig. 2 is the structural representation of the temperature sensing circuit of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As shown in Figure 1, a kind of TEC temperature control drive system based on PID corrective network that the present embodiment provides, it comprises temperature sensor 1, temperature sensing circuit 2, differential amplifier circuit 4, single-chip microcomputer 5, audible-visual annunciator 3, display circuit 6, PID compensating module 7, H-bridge drive circuit 8 and TEC unit 9;
Temperature sensor 1 detects the temperature signal of TEC unit 9 in real time and signal is inputed to temperature sensing circuit 2, temperature sensing circuit 2 converts the signal into actual temperature voltage signal and signal is inputed to differential amplifier circuit 4, signal is carried out differential amplification and signal is inputed to single-chip microcomputer 5 by differential amplifier circuit 4, signal carries out arranging and by signal feedback to sound light alarming circuit 3 by single-chip microcomputer 5, display circuit 6 and PID compensating module 7, signal is carried out PID compensation and signal is inputed to H-bridge drive circuit 8 by PID compensating module 7, H-bridge drive circuit 8 produces drive singal and signal is inputed to TEC unit 9.
The operating tempera-ture signal that the present embodiment carries out TEC unit 9 by temperature sensor 1 detects, the temperature signal detected converts real time temperature voltage signal to by temperature sensing circuit 2, utilize differential amplifier circuit 4 that the voltage signal of real time temperature voltage signal and former setting is carried out differential pair than amplifying, the signal specifying information detected then is shown by display circuit 6.When finding that temperature occurs abnormal, then reported to the police by audible-visual annunciator 3.Temperature controlled efficient and accurate for improving, spy utilizes PID compensating module to realize PID signal compensation.Signal after over-compensation then controls H-bridge drive circuit 8 and produces drive singal and the duty utilizing drive singal control TEC unit 9.
Meanwhile, the present embodiment is protection TEC unit 9, and prevent temperature overheating, spy is provided with heating radiator 10 at TEC unit 9.
The temperature sensing circuit 2 of the present embodiment can adopt circuit structure as shown in Figure 2, namely the first amplifier A1 and the first adjustable resistance RX is comprised, the output terminal of the first amplifier A1 is connected with differential amplifier circuit 4, the output terminal of the first amplifier A1 is connected with the end of oppisite phase of self by the 8th resistance R8, the five resistance R5 of end of oppisite phase by connecting successively of the first amplifier A1, 3rd resistance R3 and the first resistance R1 accesses power supply, by the first electric capacity C1 and the second electric capacity C2 ground connection between first resistance R1 and the 3rd resistance R3, the stiff end of the first adjustable resistance RX is in parallel with the first electric capacity C1, the adjustable end of the first adjustable resistance RX is connected with the first diode D1, the six resistance R6 of the in-phase end of the first amplifier A1 by the 7th resistance R7 ground connection and by connecting successively, second resistance R2 and the first resistance R1 accesses power supply, temperature sensor 1 is connected between the second resistance R2 and the 6th resistance R6.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (3)
1. based on a TEC temperature control drive system for PID corrective network, it is characterized in that: it comprises temperature sensor, temperature sensing circuit, differential amplifier circuit, single-chip microcomputer, audible-visual annunciator, display circuit, PID compensating module, H-bridge drive circuit and TEC unit;
Described temperature sensor detects the temperature signal of TEC unit in real time and signal is inputed to temperature sensing circuit, described temperature sensing circuit converts the signal into actual temperature voltage signal and signal is inputed to differential amplifier circuit, signal is carried out differential amplification and signal is inputed to single-chip microcomputer by described differential amplifier circuit, signal carries out arranging and by signal feedback to sound light alarming circuit by described single-chip microcomputer, display circuit and PID compensating module, signal is carried out PID compensation and signal is inputed to H-bridge drive circuit by described PID compensating module, described H-bridge drive circuit produces drive singal and signal is inputed to TEC unit.
2. a kind of TEC temperature control drive system based on PID corrective network as claimed in claim 1, is characterized in that: described TEC unit is provided with heating radiator.
3. a kind of TEC temperature control drive system based on PID corrective network as claimed in claim 2, it is characterized in that: described temperature sensing circuit comprises the first amplifier and the first adjustable resistance, the output terminal of described first amplifier is connected with differential amplifier circuit, the output terminal of described first amplifier is connected with the end of oppisite phase of self by the 8th resistance, five resistance of end of oppisite phase by connecting successively of described first amplifier, 3rd resistance and the first resistance access power supply, by the first electric capacity and the second capacity earth between described first resistance and the 3rd resistance, the stiff end of described first adjustable resistance and the first Capacitance parallel connection, the adjustable end of described first adjustable resistance is connected with the first diode, six resistance of the in-phase end of described first amplifier by the 7th resistance eutral grounding and by connecting successively, second resistance and the first resistance access power supply, described temperature sensor is connected between the second resistance and the 6th resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520500666.3U CN204832991U (en) | 2015-07-11 | 2015-07-11 | TEC control by temperature change actuating system based on PID compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520500666.3U CN204832991U (en) | 2015-07-11 | 2015-07-11 | TEC control by temperature change actuating system based on PID compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204832991U true CN204832991U (en) | 2015-12-02 |
Family
ID=54690571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520500666.3U Expired - Fee Related CN204832991U (en) | 2015-07-11 | 2015-07-11 | TEC control by temperature change actuating system based on PID compensation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204832991U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588865A (en) * | 2017-10-23 | 2018-01-16 | 盐城工学院 | Temperature collection circuit and Optical Receivers |
| CN109161477A (en) * | 2018-08-30 | 2019-01-08 | 北京龙基高科生物科技有限公司 | A kind of temperature-control circuit and its application based on gene sequencing |
| CN113342091A (en) * | 2021-07-13 | 2021-09-03 | 深圳市微特精密科技股份有限公司 | Intelligent temperature control device suitable for chip thermal management |
-
2015
- 2015-07-11 CN CN201520500666.3U patent/CN204832991U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588865A (en) * | 2017-10-23 | 2018-01-16 | 盐城工学院 | Temperature collection circuit and Optical Receivers |
| CN109161477A (en) * | 2018-08-30 | 2019-01-08 | 北京龙基高科生物科技有限公司 | A kind of temperature-control circuit and its application based on gene sequencing |
| CN113342091A (en) * | 2021-07-13 | 2021-09-03 | 深圳市微特精密科技股份有限公司 | Intelligent temperature control device suitable for chip thermal management |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204087018U (en) | A kind of temperature control system of semiconductor laser | |
| CN204832991U (en) | TEC control by temperature change actuating system based on PID compensation | |
| CN102306903B (en) | Digital large power semiconductor laser power supply | |
| CN204331508U (en) | A kind of constant temperature oven control system | |
| CN105606236A (en) | Passive wireless temperature measurement sensor, and temperature measurement method thereof | |
| CN105867467A (en) | Multi-circuit processing type temperature intelligent control system | |
| CN104359752A (en) | Electric heating digestion instrument | |
| CN109814631A (en) | Small-sized quick high accuracy constant temperature system based on TEC | |
| CN202795091U (en) | Refrigeration control circuit module of infrared detector | |
| CN204009625U (en) | The temperature control system of laser instrument in a kind of laser on-line gas analysis instrument | |
| CN101907897A (en) | Temperature control circuit and protection device thereof | |
| CN203849315U (en) | Current detection device applied to intelligent combiner box | |
| CN103576723B (en) | A kind of glass electric kettle temperature control modules | |
| CN202404464U (en) | Temperature measuring and controlling device | |
| CN107800204A (en) | A kind of power system arrester on-line monitoring system | |
| CN105910713B (en) | A kind of temperature signal collection system based on PLC | |
| CN103616922A (en) | Power control module of glass electric kettle | |
| WO2017148118A1 (en) | Photovoltaic charging cellphone case | |
| CN203616676U (en) | Temperature control module of glass electric kettle | |
| CN204965223U (en) | Environmental temperature control system based on thing networking | |
| CN206593776U (en) | A kind of high precision measuring temperature circuit for sterlin refrigerator | |
| CN204203807U (en) | A kind of refrigerator temperature control system | |
| CN205210615U (en) | Electric flux collecting system is released to heat based on SOPC | |
| CN106018874A (en) | Environmental wind speed monitoring system based on filter circuit and power supply controller | |
| CN209044395U (en) | A kind of blowing duct temperature control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160531 Address after: 210000 No. 2, Whampoa Road, Xuanwu District, Jiangsu, Nanjing Patentee after: China Investment Construction Group Co., Ltd. Address before: 311827 Zhejiang city of Shaoxing province Zhuji City Road No. 32 two floor in town Patentee before: Fang Qian |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20180711 |