CN207924538U - A kind of dual control thermosistor with upper and lower limit function - Google Patents
A kind of dual control thermosistor with upper and lower limit function Download PDFInfo
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- CN207924538U CN207924538U CN201721853914.8U CN201721853914U CN207924538U CN 207924538 U CN207924538 U CN 207924538U CN 201721853914 U CN201721853914 U CN 201721853914U CN 207924538 U CN207924538 U CN 207924538U
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- resistance
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- triode
- power module
- control circuit
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Abstract
The utility model discloses a kind of dual control thermosistors with upper and lower limit function, circuit, lighting control circuit and ON-OFF control circuit are adjusted including power module, temperature detection, it is characterized in that, the power module is separately connected temperature detection and adjusts circuit, lighting control circuit and ON-OFF control circuit, and temperature detection adjusts circuit and is also respectively connected with lighting control circuit and ON-OFF control circuit.The utility model multifunctional temperature control switching circuit uses the dual power supply mode that alternating current and accumulator are combined, the loss that the stoppage in transit of device generates when such design can prevent from encountering alternating current power-off, its control section is using temperature control intelligent chip as core element, the control of limit switch up and down to load is realized in conjunction with triode and light emitting diode, it is additionally provided with temperature indicator simultaneously, therefore has the advantages that degree of intelligence is high, easy to use and vdiverse in function.
Description
Technical field
The utility model is related to a kind of temperature detect switch (TDS), specifically a kind of dual control thermosistor with upper and lower limit function.
Background technology
Temperature detect switch (TDS) is temperature regulating device common in daily life, also occupies extremely important status in the industrial production,
Traditional temperature detect switch (TDS) uses thermistor to combine common resistance composition bridge for measuring temperature as temperature control element more, thermistor
Precision is relatively low, and the thermometer precision produced is low, requires high place not applicable temperature accuracy at some, and existing temperature
Control circuit is mostly complicated, integrated level is low, and function is more single.
Utility model content
The purpose of this utility model is to provide a kind of dual control thermosistors with upper and lower limit function, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides the following technical solutions：
A kind of dual control thermosistor with upper and lower limit function, including power module, temperature detection adjust circuit, light control
Circuit and ON-OFF control circuit processed, which is characterized in that the power module is separately connected temperature detection and adjusts circuit, signal light control
Circuit and ON-OFF control circuit, temperature detection adjust circuit and are also respectively connected with lighting control circuit and ON-OFF control circuit.
Preferred embodiment as the utility model：The power module include resistance R5, voltage stabilizing chip IC2, rectifier bridge T and
One end of filter capacitor C2, the resistance R5 connect capacitance C1 and 220V alternating current, the other end connection capacitance C1's of resistance R5
The port 1 of the other end and rectifier bridge T, the port 2 of rectifier bridge T connect the voltage input end IN and capacitance C2 of voltage stabilizing chip IC2, electricity
Hold the anode of the other end connection diode D3 of C2, the end of the cathode of accumulator E, the ground terminal of voltage stabilizing chip IC2, rectifier bridge T
Mouth 4 and negative pole of output end, the cathode of output end OUT connection diodes D1, the anode of accumulator E and the output of voltage stabilizing chip IC2
Rectify pole.
Preferred embodiment as the utility model：The temperature detection adjust circuit include chip IC 1, potentiometer RP1 and
One fixation of the sliding end, potentiometer RP2 of the fixing end connection potentiometer RP1 of potentiometer RP2, the potentiometer RP1
The pin 2 of end, the sliding end of potentiometer RP2, the pin 8 of chip IC 1 and the output head anode of power module, chip IC 1 connects
Another fixing end of potentiometer RP1, the pin 3 of chip IC 1 connect another fixing end of potentiometer RP2, and chip IC 1 is drawn
Foot 4 connects the negative pole of output end of power module.
Preferred embodiment as the utility model：The lighting control circuit includes diode D1, triode V1, diode
The output head anode of the anode and power module of the anode connection diode D2 of D2 and triode V2, diode D1, diode D1
Cathode connect resistance R1, the collector of the other end connecting triode V1 of resistance R1, the base stage of triode V1 connects resistance R2,
The pin 7 of the other end connection chip IC 1 of resistance R2, the emitter and power supply mould of the emitter connecting triode V2 of triode V1
The pin 6 of the negative pole of output end of block, chip IC 1 connects resistance R3, the base stage of the other end connecting triode V2 of resistance R3, three poles
The collector of pipe V2 connects resistance R4, the cathode of the other end connection diode D2 of resistance R4.
Preferred embodiment as the utility model：The ON-OFF control circuit includes triode V3 and resistance R5, resistance R5
One end connection chip IC 1 pin 5, the base stage of the other end connecting triode V3 of resistance R5, the emitter of triode V3 connects
The other end of electrothermal tube A, the output head anode of the collector connection power module of triode V1 are connect, the other end of electrothermal tube A connects
Connect the negative pole of output end of power module.
Preferred embodiment as the utility model：The model TC620 of the chip IC 1.
Preferred embodiment as the utility model：The diode D1 and diode D2 is light emitting diode.
Preferred embodiment as the utility model：The model LM7805 of the chip IC 2.
Compared with prior art, the utility model has the beneficial effects that：The utility model multifunctional temperature control switching circuit is adopted
The dual power supply mode being combined with alternating current and accumulator, device stops when such design can prevent from encountering alternating current power-off
The loss generated is transported, control section uses temperature control intelligent chip as core element, in conjunction with triode and light-emitting diodes
Pipe realizes the control of limit switch up and down to load, while being additionally provided with temperature indicator, therefore, use high with degree of intelligence
Convenient and vdiverse in function advantage.
Description of the drawings
Fig. 1 is the circuit diagram of the dual control thermosistor with upper and lower limit function.
Fig. 2 is the circuit diagram of power module.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-2, a kind of dual control thermosistor with upper and lower limit function, including power module, temperature detection tune
Economize on electricity road, lighting control circuit and ON-OFF control circuit, the power module include resistance R5, voltage stabilizing chip IC2, rectifier bridge T
With filter capacitor C2, it includes chip IC 1, potentiometer RP1 and potentiometer RP2, the light control that the temperature detection, which adjusts circuit,
Circuit processed includes diode D1, triode V1, diode D2 and triode V2, and ON-OFF control circuit includes triode V3 and resistance
One end of R5, the resistance R5 connects capacitance C1 and 220V alternating current, the other end of the other end connection capacitance C1 of resistance R5 and
The port 1 of rectifier bridge T, the port 2 of rectifier bridge T connect the voltage input end IN and capacitance C2 of voltage stabilizing chip IC2, and capacitance C2's is another
One end connects anode, the cathode of accumulator E, the ground terminal of voltage stabilizing chip IC2, the port 4 of rectifier bridge T and the output of diode D3
Hold cathode, the cathode of the output end OUT connection diodes D1 of voltage stabilizing chip IC2, the anode and output head anode of accumulator E, institute
State sliding end, a fixing end of potentiometer RP2, the potentiometer RP2 of the fixing end connection potentiometer RP1 of potentiometer RP1
Sliding end, the pin 8 of chip IC 1 and the output head anode of power module, the pin 2 of chip IC 1 connects the another of potentiometer RP1
One fixing end, the pin 3 of chip IC 1 connect another fixing end of potentiometer RP2, and the pin 4 of chip IC 1 connects power supply mould
The negative pole of output end of block.The output head anode of the anode and power module of the anode connection diode D2 of diode D1, diode
The cathode of D1 connects resistance R1, and the base stage of the collector of the other end connecting triode V1 of resistance R1, triode V1 connects resistance
The pin 7 of the other end connection chip IC 1 of R2, resistance R2, the emitter and electricity of the emitter connecting triode V2 of triode V1
The negative pole of output end of source module, the connection resistance R3 of pin 6 of chip IC 1, the base stage of the other end connecting triode V2 of resistance R3,
The collector of triode V2 connects resistance R4, the cathode of the other end connection diode D2 of resistance R4.One end of resistance R5 connects
The pin 5 of chip IC 1, the base stage of the other end connecting triode V3 of resistance R5, the emitter connection electrothermal tube A's of triode V3
The other end, the output head anode of the collector connection power module of triode V1, the other end connection power module of electrothermal tube A
Negative pole of output end.
The operation principle of the utility model is：The circuit given in Fig. 1 is powered by power module, and entire lighting lamp circuit passes through
Ups power is powered, and ups power physical circuit is as shown in Figure 2 comprising the capacitance-resistance voltage reduction circuit of resistance R5 and capacitance C1 compositions,
Bridge type rectification circuit T, voltage stabilizing chip IC2, filter capacitor C2, zener diode D3 and standby battery E, power circuit is by 220V
Line voltage be converted into 24V direct current electricity outputs, and also have the function of dual power supply.
Core element in Fig. 1 circuits is TC620 type temperature control chips, can be with by potentiometer RP1 and potentiometer RP2
The upper limit value T1 and lower limiting value T2 of environment temperature is respectively set, when environment temperature is higher than T2 and is less than T1,5 feet of chip IC 1
Export high level with 7 feet, to control the conducting of triode V3, and with the variation of temperature, 5 foot voltages of chip IC 1 with
Variation, meanwhile, the variation of the angle of flow of triode V3, after triode V3 conductings, electrothermal tube A obtains electric start-up operation, while three poles
Pipe V1 conductings, light emitting diode D1 are lighted, are indicated as temperature range, when temperature is higher than upper limit value T1, the 5 of chip IC 1
Foot exports low level, and 6 feet export high level, and electrothermal tube A does not work at this time, and light emitting diode D2 is lighted, and then realizes temperature
Degree is controlled always between T1 and T2, reaches double position-limiting actions.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (4)
1. a kind of dual control thermosistor with upper and lower limit function, including power module, temperature detection adjust circuit, signal light control
Circuit and ON-OFF control circuit, which is characterized in that the power module is separately connected temperature detection and adjusts circuit, signal light control electricity
Road and ON-OFF control circuit, temperature detection adjust circuit and are also respectively connected with lighting control circuit and ON-OFF control circuit, the electricity
Source module include resistance R5, voltage stabilizing chip IC2, rectifier bridge T and filter capacitor C2, the resistance R5 one end connection capacitance C1 and
220V alternating currents, the port 1 of the other end and rectifier bridge T of the other end connection capacitance C1 of resistance R5, the port 2 of rectifier bridge T connects
Meet the voltage input end IN and capacitance C2 of voltage stabilizing chip IC2, anode, the accumulator E of the other end connection diode D3 of capacitance C2
Cathode, the ground terminal of voltage stabilizing chip IC2, the port 4 of rectifier bridge T and negative pole of output end, the output end OUT of voltage stabilizing chip IC2
Connect the cathode of diode D1, the anode and output head anode of accumulator E, the temperature detection adjust circuit include chip IC 1,
A fixing end of potentiometer RP1 and potentiometer RP2, the potentiometer RP1 connect sliding end, the potentiometer RP2 of potentiometer RP1
A fixing end, the sliding end of potentiometer RP2, the pin 8 of chip IC 1 and the output head anode of power module, chip IC 1
Pin 2 connects another fixing end of potentiometer RP1, and the pin 3 of chip IC 1 connects another fixing end of potentiometer RP2, core
The pin 4 of piece IC1 connects the negative pole of output end of power module, and the lighting control circuit includes diode D1, triode V1, two
The output head anode of the anode and power module of the anode connection diode D2 of pole pipe D2 and triode V2, diode D1, two poles
The cathode of pipe D1 connects resistance R1, the collector of the other end connecting triode V1 of resistance R1, the base stage connection electricity of triode V1
Hinder R2, resistance R2 the other end connection chip IC 1 pin 7, the emitter of the emitter connecting triode V2 of triode V1 and
The pin 6 of the negative pole of output end of power module, chip IC 1 connects resistance R3, the base of the other end connecting triode V2 of resistance R3
The collector of pole, triode V2 connects resistance R4, the cathode of the other end connection diode D2 of resistance R4, the switch control electricity
Road includes triode V3 and resistance R5, the pin 5 of one end connection chip IC 1 of resistance R5, three poles of other end connection of resistance R5
The base stage of pipe V3, the other end of the emitter connection electrothermal tube A of triode V3, the collector connection power module of triode V1
Output head anode, the negative pole of output end of the other end connection power module of electrothermal tube A.
2. a kind of dual control thermosistor with upper and lower limit function according to claim 1, which is characterized in that the chip
The model TC620 of IC1.
3. a kind of dual control thermosistor with upper and lower limit function according to claim 1, which is characterized in that two pole
Pipe D1 and diode D2 is light emitting diode.
4. a kind of dual control thermosistor with upper and lower limit function according to claim 1, which is characterized in that the chip
The model LM7805 of IC2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721853914.8U CN207924538U (en) | 2017-12-27 | 2017-12-27 | A kind of dual control thermosistor with upper and lower limit function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721853914.8U CN207924538U (en) | 2017-12-27 | 2017-12-27 | A kind of dual control thermosistor with upper and lower limit function |
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| Publication Number | Publication Date |
|---|---|
| CN207924538U true CN207924538U (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721853914.8U Expired - Fee Related CN207924538U (en) | 2017-12-27 | 2017-12-27 | A kind of dual control thermosistor with upper and lower limit function |
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| CN (1) | CN207924538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108170182A (en) * | 2017-12-27 | 2018-06-15 | 山东汉旗科技有限公司 | A kind of dual control thermosistor with upper and lower limit function |
-
2017
- 2017-12-27 CN CN201721853914.8U patent/CN207924538U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108170182A (en) * | 2017-12-27 | 2018-06-15 | 山东汉旗科技有限公司 | A kind of dual control thermosistor with upper and lower limit function |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20201227 |