CN204270768U - A kind of light-operated thermistor - Google Patents
A kind of light-operated thermistor Download PDFInfo
- Publication number
- CN204270768U CN204270768U CN201420668822.2U CN201420668822U CN204270768U CN 204270768 U CN204270768 U CN 204270768U CN 201420668822 U CN201420668822 U CN 201420668822U CN 204270768 U CN204270768 U CN 204270768U
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- CN
- China
- Prior art keywords
- triode
- resistance
- electromagnetic relay
- thermistor
- metal connection
- 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 kind of light-operated thermistor, comprise: resistance one, triode one, triode two, electromagnetic relay, photo resistance, resistance two, power supply, thermistor, metal connection post A, metal connection post B, circuit board, resistance one, triode one, triode two, electromagnetic relay, photo resistance, resistance two, power supply, thermistor, metal connection post A, metal connection post B is fixing on circuit boards, electromagnetic relay divides electromagnetic relay solenoid and electromagnetic relay switch two parts, metal connection post A is electrically connected with one end of electromagnetic relay switch, the other end of electromagnetic relay switch is electrically connected with one end of thermistor, the other end of thermistor is electrically connected with metal connection post B, metal connection post A and metal connection post B external control circuit, as long as when photo resistance is in bright state, triode one ends triode two working electromagnet electromagnetic coil relay and obtains electric, circuit connected by electromagnetic relay, thermistor works.
Description
Technical field
The utility model relates to a kind of light-operated thermistor.
Background technology
Thermistor has is having the low resistance constantly of temperature little, and temperature height is the feature that resistance is large, is commonly used in automatic temperature control circuit, but i.e. light requirement control but also the circuit of some complexity will be added when needing temperature control circuit to work in addition sometimes.
Summary of the invention
The purpose of this utility model is to provide a kind of light-operated thermistor, can control thermistor flexibly.
The purpose of this utility model is achieved through the following technical solutions:
As a kind of technical scheme, a kind of light-operated thermistor, comprise: resistance one, triode one, triode two, electromagnetic relay, photo resistance, resistance two, power supply, thermistor, metal connection post A, metal connection post B, circuit board, resistance one, triode one, triode two, electromagnetic relay, photo resistance, resistance two, power supply, thermistor, metal connection post A, metal connection post B is fixing on circuit boards, electromagnetic relay divides electromagnetic relay solenoid and electromagnetic relay switch two parts, metal connection post A is electrically connected with one end of electromagnetic relay switch, the other end of electromagnetic relay switch is electrically connected with one end of thermistor, the other end of thermistor is electrically connected with metal connection post B, metal connection post A and metal connection post B external control circuit.
As a kind of technical scheme, a kind of light-operated thermistor, one end of resistance one is electrically connected with the positive pole of power supply, the other end of above-mentioned resistance one is electrically connected with triode one base stage, the positive pole of above-mentioned power supply and one end electrical connection of electromagnetic relay solenoid, the other end of above-mentioned electromagnetic relay solenoid is electrically connected with triode two collector electrode, the emitter of above-mentioned triode two is connected with the emitter of triode one and the negative electricity of power supply, above-mentioned photo resistance one end is electrically connected with the base stage of triode one, the above-mentioned photo resistance other end is connected with the negative electricity of power supply, above-mentioned one end of resistance two is electrically connected with the positive pole of power supply, the other end of above-mentioned resistance two is electrically connected with triode two base stage.
As a kind of technical scheme, power supply is chargeable 6v lithium battery.
This kind of light-operated thermistor has can the feature of control circuit flexibly.
Accompanying drawing explanation
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the electrical block diagram of a kind of light-operated thermistor described in the utility model embodiment;
Accompanying drawing 1 symbol description: 1, resistance one, 2, photo resistance, 3, electromagnetic relay, 31, electromagnetic relay solenoid, 32, electromagnetic relay switch, 4, thermistor, 5, power supply, 6, resistance two, 7, circuit board, metal connection post A, metal connection post B, Q1, triode one, Q2, triode two.
Embodiment
The utility model is specifically introduced as follows below in conjunction with drawings and Examples:
As one preferably as a kind of embodiment, a kind of light-operated thermistor, comprise: resistance 1, triode one Q1, triode two Q2, electromagnetic relay 3, photo resistance 2, resistance 26, power supply 5, thermistor 4, metal connection post A, metal connection post B, circuit board, resistance 1, triode one Q1, triode two Q2, electromagnetic relay 3, photo resistance 2, resistance 26, power supply 5, thermistor 4, metal connection post A, metal connection post B is fixing on circuit boards, electromagnetic relay 3 points of electromagnetic relay solenoids 31 and electromagnetic relay switch 32 two parts, metal connection post A is electrically connected with one end of electromagnetic relay switch 32, the other end of electromagnetic relay switch 32 is electrically connected with one end of thermistor 4, the other end of thermistor 4 is electrically connected with metal connection post B, metal connection post A and metal connection post B external control circuit.
As a kind of embodiment, a kind of light-operated thermistor, one end of resistance 1 is electrically connected with the positive pole of power supply 5, the other end of above-mentioned resistance 1 is electrically connected with triode one Q1 base stage, the positive pole of above-mentioned power supply 5 and one end electrical connection of electromagnetic relay solenoid 31, the other end of above-mentioned electromagnetic relay solenoid 31 is electrically connected with triode two Q2 collector electrode, the emitter of above-mentioned triode two Q2 is connected with the emitter of triode one Q1 and the negative electricity of power supply 5, above-mentioned photo resistance 2 one end and triode one Q1, base stage electrical connection, above-mentioned photo resistance 2 other end is connected with the negative electricity of power supply 5, one end of above-mentioned resistance 26 is electrically connected with the positive pole of power supply 5, the other end of above-mentioned resistance 26 is electrically connected with triode two Q2 base stage.
As a kind of embodiment, power supply 5 is chargeable 6v lithium battery.
Special instruction, as long as when photo resistance 2 is in bright state, triode one Q1 ends triode two Q2 working electromagnet electromagnetic coil relay 31 and obtains electric, electromagnetic relay switch 32 connects circuit, thermistor 4 works, otherwise photo resistance 2 is in dark state, and triode one Q1 work triode two Q2 ends electromagnetic relay solenoid 31 and loses electricity, electromagnetic relay 3 open circuit, thermistor 4 is inoperative.
Claims (3)
1. a light-operated thermistor, it is characterized in that, comprise: resistance one, triode one, triode two, electromagnetic relay, photo resistance, resistance two, power supply, thermistor, metal connection post A, metal connection post B, circuit board, resistance one, triode one, triode two, electromagnetic relay, photo resistance, resistance two, power supply, thermistor, metal connection post A, metal connection post B is fixing on circuit boards, electromagnetic relay divides electromagnetic relay solenoid and electromagnetic relay switch two parts, metal connection post A is electrically connected with one end of electromagnetic relay switch, the other end of electromagnetic relay switch is electrically connected with one end of thermistor, the other end of thermistor is electrically connected with metal connection post B, metal connection post A and metal connection post B external control circuit.
2. according to the light-operated thermistor of the one described in claim 1, it is characterized in that, above-mentioned one end of resistance one is electrically connected with the positive pole of power supply, the other end of above-mentioned resistance one is electrically connected with triode one base stage, the positive pole of above-mentioned power supply and one end electrical connection of electromagnetic relay solenoid, the other end of above-mentioned electromagnetic relay solenoid is electrically connected with triode two collector electrode, the emitter of above-mentioned triode two is connected with the emitter of triode one and the negative electricity of power supply, above-mentioned photo resistance one end is electrically connected with the base stage of triode one, the above-mentioned photo resistance other end is connected with the negative electricity of power supply, above-mentioned one end of resistance two is electrically connected with the positive pole of power supply, the other end of above-mentioned resistance two is electrically connected with triode two base stage.
3. according to claim 1 or the light-operated thermistor of one according to claim 2, it is characterized in that, above-mentioned power supply is chargeable 6v lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420668822.2U CN204270768U (en) | 2014-11-11 | 2014-11-11 | A kind of light-operated thermistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420668822.2U CN204270768U (en) | 2014-11-11 | 2014-11-11 | A kind of light-operated thermistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204270768U true CN204270768U (en) | 2015-04-15 |
Family
ID=52805621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420668822.2U Expired - Fee Related CN204270768U (en) | 2014-11-11 | 2014-11-11 | A kind of light-operated thermistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204270768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655072A (en) * | 2014-11-11 | 2016-06-08 | 南京化工职业技术学院 | Light control thermosensitive resistor |
-
2014
- 2014-11-11 CN CN201420668822.2U patent/CN204270768U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655072A (en) * | 2014-11-11 | 2016-06-08 | 南京化工职业技术学院 | Light control thermosensitive resistor |
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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: 20150415 Termination date: 20151111 |
|
| EXPY | Termination of patent right or utility model |