CN204613782U - A kind of New Constant Temperature Control System - Google Patents
A kind of New Constant Temperature Control System Download PDFInfo
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- CN204613782U CN204613782U CN201520153468.4U CN201520153468U CN204613782U CN 204613782 U CN204613782 U CN 204613782U CN 201520153468 U CN201520153468 U CN 201520153468U CN 204613782 U CN204613782 U CN 204613782U
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Abstract
The utility model relates to control system technical field, especially a kind of New Constant Temperature Control System.It comprises controller, keyboard, LCD display, warning circuit, driving circuit, A/D change-over circuit and temperature measuring circuit; Temperature signal is also inputed to A/D change-over circuit by the real-time measures ambient temperature signal of temperature measuring circuit, temperature signal is carried out A/D conversion and the signal after conversion is inputed to controller by A/D change-over circuit, signal carries out arranging and by the signal feedback after arrangement to driving circuit, warning circuit and LCD display, produces drive singal and drive singal is inputed to temperature measuring circuit after driving circuit Received signal strength by controller.The utility model is by temperature measuring circuit Real-Time Monitoring temperature signal; Meanwhile, by driving circuit, realize the driving of surveying work; Further, utilize LCD display and warning circuit to realize data display and signal alarm, its structure is simple, easy to operate, has very strong practicality.
Description
Technical field
The utility model relates to control system technical field, especially a kind of New Constant Temperature Control System.
Background technology
As everyone knows, in people's living environment, temperature controls more and more important, and no matter environment temperature controls or the temperature control of electronic equipment, and its temperature control system is all in occupation of main status.But at present, temperature control system is also not too comprehensive, and accuracy of detection is not high enough, and function is too single.
Utility model content
For above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of New Constant Temperature Control System.
To achieve these goals, the utility model adopts following technical scheme:
A kind of New Constant Temperature Control System, it comprises controller, keyboard, LCD display, warning circuit, driving circuit, A/D change-over circuit and temperature measuring circuit;
Temperature signal is also inputed to A/D change-over circuit by the real-time measures ambient temperature signal of described temperature measuring circuit, temperature signal is carried out A/D conversion and the signal after conversion is inputed to controller by described A/D change-over circuit, signal carries out arranging and by the signal feedback after arrangement to driving circuit, warning circuit and LCD display, produces drive singal and drive singal is inputed to temperature measuring circuit after described driving circuit Received signal strength by described controller;
Described keyboard produces control signal and also control signal is inputed to controller, and described power supply provides power supply to supply for controller.
Preferably, described temperature measuring circuit comprises driving electric resistance sensor, thermo-responsive resistance and the first operational amplifier, 3 end pin of described driving electric resistance sensor are connected with driving circuit, 7 end pin of described driving electric resistance sensor are connected with the end of oppisite phase of thermo-responsive resistance and the first operational amplifier respectively, 4 end pin of described driving electric resistance sensor are connected with the in-phase end of the first operational amplifier, the two ends of described first operational amplifier are parallel with an adjustable resistance, and the output terminal of described first operational amplifier is connected with A/D change-over circuit.
Owing to have employed such scheme, the utility model is by temperature measuring circuit Real-Time Monitoring temperature signal; Meanwhile, by driving circuit, realize the driving of surveying work; Further, utilize LCD display and warning circuit to realize data display and signal alarm, 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 drawing of the temperature measuring 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 depicted in figs. 1 and 2, a kind of New Constant Temperature Control System that the present embodiment provides, it comprises controller 2, keyboard 6, LCD display 7, warning circuit 8, driving circuit 1, A/D change-over circuit 3 and temperature measuring circuit 4; Temperature signal is also inputed to A/D change-over circuit 3 by the real-time measures ambient temperature signal of temperature measuring circuit 4, temperature signal is carried out A/D conversion and the signal after conversion is inputed to controller 2 by A/D change-over circuit 3, signal carries out arranging and by the signal feedback after arrangement to driving circuit 1, warning circuit 8 and LCD display 7, produces drive singal and drive singal is inputed to temperature measuring circuit 4 after driving circuit 1 Received signal strength by controller 2; Keyboard 6 produces control signal and control signal is inputed to controller 2, and power supply 5 provides power supply to supply for controller 2.The temperature measuring circuit 4 Real-Time Monitoring temperature signal of the present embodiment, meanwhile, realizes the driving of surveying work by driving circuit 1; Further, LCD display 7 and warning circuit 8 is utilized to realize data display and signal alarm.
The temperature measuring circuit 4 of the present embodiment can adopt circuit structure as shown in Figure 2, namely comprise and drive electric resistance sensor U1, thermo-responsive resistance R1 and the first operational amplifier U2, the 3 end pin of electric resistance sensor U1 are driven to be connected with driving circuit 1, the 7 end pin of electric resistance sensor U1 are driven to be connected with the end of oppisite phase of thermo-responsive resistance R1 and the first operational amplifier U2 respectively, the 4 end pin of electric resistance sensor U1 are driven to be connected with the in-phase end of the first operational amplifier U2, the two ends of the first operational amplifier U2 are parallel with an adjustable resistance RX, the output terminal of the first operational amplifier U2 is connected with A/D change-over circuit 3.The thermo-responsive resistance R1 of this circuit adopts platinum resistance, utilizes platinum resistance to carry out high-precision temperature monitoring, and the first operational amplifier U2 utilizes the adjustable resistance RX at two ends in parallel to regulate enlargement factor.
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 (2)
1. a New Constant Temperature Control System, is characterized in that: it comprises controller, keyboard, LCD display, warning circuit, driving circuit, A/D change-over circuit and temperature measuring circuit;
Temperature signal is also inputed to A/D change-over circuit by the real-time measures ambient temperature signal of described temperature measuring circuit, temperature signal is carried out A/D conversion and the signal after conversion is inputed to controller by described A/D change-over circuit, signal carries out arranging and by the signal feedback after arrangement to driving circuit, warning circuit and LCD display, produces drive singal and drive singal is inputed to temperature measuring circuit after described driving circuit Received signal strength by described controller;
Described keyboard produces control signal and also control signal is inputed to controller, and described power supply provides power supply to supply for controller.
2. a kind of New Constant Temperature Control System as claimed in claim 1, it is characterized in that: described temperature measuring circuit comprises driving electric resistance sensor, thermo-responsive resistance and the first operational amplifier, 3 end pin of described driving electric resistance sensor are connected with driving circuit, 7 end pin of described driving electric resistance sensor are connected with the end of oppisite phase of thermo-responsive resistance and the first operational amplifier respectively, 4 end pin of described driving electric resistance sensor are connected with the in-phase end of the first operational amplifier, the two ends of described first operational amplifier are parallel with an adjustable resistance, the output terminal of described first operational amplifier is connected with A/D change-over circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520153468.4U CN204613782U (en) | 2015-03-18 | 2015-03-18 | A kind of New Constant Temperature Control System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520153468.4U CN204613782U (en) | 2015-03-18 | 2015-03-18 | A kind of New Constant Temperature Control System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204613782U true CN204613782U (en) | 2015-09-02 |
Family
ID=53966323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520153468.4U Expired - Fee Related CN204613782U (en) | 2015-03-18 | 2015-03-18 | A kind of New Constant Temperature Control System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204613782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107092287A (en) * | 2017-06-01 | 2017-08-25 | 陈畅 | A kind of electric hot tray temperature controller |
-
2015
- 2015-03-18 CN CN201520153468.4U patent/CN204613782U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107092287A (en) * | 2017-06-01 | 2017-08-25 | 陈畅 | A kind of electric hot tray temperature controller |
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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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ye Weiyang Inventor before: Zou Bin |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151211 Address after: 517400 Linjiang Industrial Park, Zijin County, Heyuan City, Guangdong Province Patentee after: HEYUAN XINDA QUARTZ ELECTRICAL APPLIANCE Co.,Ltd. Address before: 518000, Guangdong Shenzhen Futian District mangrove Road No. 3 metro vehicle depot operation comprehensive building Patentee before: Zou Bin |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |