CN204423199U - A kind of multipurpose electronic temperature detection gauge tap - Google Patents
A kind of multipurpose electronic temperature detection gauge tap Download PDFInfo
- Publication number
- CN204423199U CN204423199U CN201520048988.9U CN201520048988U CN204423199U CN 204423199 U CN204423199 U CN 204423199U CN 201520048988 U CN201520048988 U CN 201520048988U CN 204423199 U CN204423199 U CN 204423199U
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- circuit
- power
- resistance
- gauge tap
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Abstract
The utility model discloses a kind of multipurpose electronic temperature detection gauge tap, comprise power circuit, temperature sensing circuit, lower pressure rectifier circuit, signal amplification circuit and control circuit, the power output end of power circuit is connected with the power input of signal amplification circuit and the power input of temperature sensing circuit simultaneously, the signal output part of temperature sensing circuit is connected with the signal input part of lower pressure rectifier circuit, the signal output part of lower pressure rectifier circuit is connected with the signal input part of signal amplification circuit, the signal output part of signal amplification circuit is connected with the control signal input end of control circuit.Compared with prior art, the utility model adopts electric current split-type design, adopt the power supply of Control warming-up device, detected the temperature of warming-up device by temperature sensor, employing Control can be adapted to the equipment that more electronics is heated, not by the impact of power, versatility is higher, easy to use, Automated condtrol, has the value applied.
Description
Technical field
The utility model relates to a kind of electronic temperature controller, particularly relates to a kind of multipurpose electronic temperature detection gauge tap.
Background technology
Temperature controls to be the monitoring temperature for warming-up device, as dryer, baking machine, the monitoring temperature of various electric equipment, the monitoring temperature etc. of electromechanical equipment, in a word can to the monitoring of the electrical appliance of heating, device for monitoring temperature of the prior art is scarcely general, or be merely able to adapt to portioned product, versatility is not high, therefore, there is room for improvement.
Utility model content
The purpose of this utility model is just to provide a kind of multipurpose electronic temperature detection gauge tap to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises power circuit, temperature sensing circuit, lower pressure rectifier circuit, signal amplification circuit and control circuit, the power output end of described power circuit is connected with the power input of described signal amplification circuit and the power input of described temperature sensing circuit simultaneously, the signal output part of described temperature sensing circuit is connected with the signal input part of described lower pressure rectifier circuit, the signal output part of described lower pressure rectifier circuit is connected with the signal input part of described signal amplification circuit, the signal output part of described signal amplification circuit is connected with the control signal input end of described control circuit.
Particularly, described power electric routing transformer, the first rectifier, voltage stabilizing chip, the first resistance, the second resistance, the first stabilivolt, the second stabilivolt and the first electric capacity composition; Described temperature sensing circuit is made up of the first potentiometer and temperature sensor; Described lower pressure rectifier circuit is made up of the second rectifier, the 3rd electric capacity, the 4th electric capacity, the 3rd resistance, the 4th resistance and reometer; Described signal amplification circuit is made up of to the 9th resistance, amplifier chip, the first diode and light emitting diode the second potentiometer, the second electric capacity, the 5th resistance; Described control circuit is made up of relay, the second diode and triode, and the gauge tap of described relay is connected with the heating tube power end of warming-up device.
The beneficial effects of the utility model are:
The utility model is a kind of multipurpose electronic temperature detection gauge tap, compared with prior art, the utility model adopts electric current split-type design, adopts the power supply of Control warming-up device, is detected the temperature of warming-up device by temperature sensor, employing Control can be adapted to the equipment that more electronics is heated, not by the impact of power, versatility is higher, easy to use, Automated condtrol, has the value applied.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
In figure: 1-power circuit, 2-temperature sensing circuit, 3-lower pressure rectifier circuit, 4-signal amplification circuit, 5-control circuit.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises power circuit 1, temperature sensing circuit 2, lower pressure rectifier circuit 3, signal amplification circuit 4 and control circuit 5, the power output end of power circuit 1 is connected with the power input of signal amplification circuit 4 and the power input of temperature sensing circuit 2 simultaneously, the signal output part of temperature sensing circuit 2 is connected with the signal input part of lower pressure rectifier circuit 3, the signal output part of lower pressure rectifier circuit 3 is connected with the signal input part of signal amplification circuit 4, the signal output part of signal amplification circuit 4 is connected with the control signal input end of control circuit 5.
Particularly, power circuit 1 is made up of transformer T, the first rectifier DR1, voltage stabilizing chip IC 1, first resistance R1, the second resistance R2, the first stabilivolt VS1, the second stabilivolt VS2 and the first electric capacity C1; Temperature sensing circuit 2 is made up of the first potentiometer RP1 and temperature sensor RS; Lower pressure rectifier circuit 3 is made up of the second rectifier DR2, the 3rd electric capacity C3, the 4th electric capacity C4, the 3rd resistance R3, the 4th resistance R4 and reometer PA; Signal amplification circuit 4 is made up of to the 9th resistance R9, amplifier chip IC2, the first diode VD1 and LED the second potentiometer RP2, the second electric capacity C2, the 5th resistance R5; Control circuit 5 is made up of relay K, the second diode VD2 and triode VT, and the gauge tap K1 of relay K is connected with the heating tube RT power end of warming-up device.
Principle of work of the present utility model is as follows:
Alternating current 220V voltage one tunnel, after transformer T step-down, the first rectifier DR1 rectification, the first electric capacity C1 filtering and voltage stabilizing chip 1C1 voltage stabilizing, produces+12V voltage supply signal amplification circuit, is lighted by LED simultaneously; Another road becomes flat roof type alternating voltage through transformer T step-down, the first resistance R1 current limliting and the first stabilivolt VS1 after the second stabilivolt VS2 voltage stabilizing, this alternating voltage adjusts sampling, temperature sensor RS step-down and the second rectifier DR2 rectification through the first potentiometer RP1 and becomes DC voltage, again by adding on reometer PA after the 3rd electric capacity C3, the 3rd resistance R3 and the 3rd electric capacity C3 filtering current limliting, temperature sensor RS resistance changes along with the change of temperature.Detected temperatures is higher, and the resistance of temperature sensor RS is less, and the DC current flowing through reometer PA is larger.When temperature is lower, the electric current flowing through temperature sensor RS is also less, and the voltage of amplifier chip IC2 inverting input exports high level lower than the reference voltage of normal phase input end, make triode VT conducting, relay K adhesive, its normally opened contact K1 connects, and makes heating apparatus energising work.Along with continuing to increase of detected temperatures, the resistance of temperature sensor RS also starts to increase gradually, and the voltage of amplifier chip IC2 inverting input also constantly rises.When temperature reach do not have fixed temperature time, amplifier chip IC2 because of anti-phase input terminal voltage higher than its normal phase input end voltage output low level, triode VT is ended, relay K discharge, the working power of warming-up device is cut off by its normally opened contact.So work repeatedly, the temperature of warming-up device can be made to control in setting range.
Component parameter of the present utility model is selected as follows:
First resistance R1 is 100 Ω, second resistance R2 is 400 Ω, 3rd resistance R3 is 500 Ω, 4th resistance R4 is 2k Ω, 5th resistance R5 is 27k Ω, 6th resistance R6 is 200 Ω to the 8th resistance R8, 9th resistance R9 is 479 Ω, first electric capacity C1 is 300uf, second electric capacity C2 is 470uf, 3rd electric capacity C3 is 100uf, 4th electric capacity C4 is 1000uf, first rectifier DR1 and the second rectifier DR2 is the bridge rectifier of type GBPC25005, voltage stabilizing chip IC 1 is the voltage stabilizing chip of model LM7812, amplifier chip IC2 is the amplifier chip of model UA741, first diode VD1 and the second diode VD2 is the diode of model 70HF80, LED is 0.5W, triode VT is PNP type triode, first stabilivolt VS1 and the second stabilivolt VS2 is the stabilivolt of model 2CW1.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. a multipurpose electronic temperature detection gauge tap, it is characterized in that: comprise power circuit, temperature sensing circuit, lower pressure rectifier circuit, signal amplification circuit and control circuit, the power output end of described power circuit is connected with the power input of described signal amplification circuit and the power input of described temperature sensing circuit simultaneously, the signal output part of described temperature sensing circuit is connected with the signal input part of described lower pressure rectifier circuit, the signal output part of described lower pressure rectifier circuit is connected with the signal input part of described signal amplification circuit, the signal output part of described signal amplification circuit is connected with the control signal input end of described control circuit.
2. multipurpose electronic temperature detection gauge tap according to claim 1, is characterized in that: described power electric routing transformer, the first rectifier, voltage stabilizing chip, the first resistance, the second resistance, the first stabilivolt, the second stabilivolt and the first electric capacity form.
3. multipurpose electronic temperature detection gauge tap according to claim 1, is characterized in that: described temperature sensing circuit is made up of the first potentiometer and temperature sensor.
4. multipurpose electronic temperature detection gauge tap according to claim 1, is characterized in that: described lower pressure rectifier circuit is made up of the second rectifier, the 3rd electric capacity, the 4th electric capacity, the 3rd resistance, the 4th resistance and reometer.
5. multipurpose electronic temperature detection gauge tap according to claim 1, is characterized in that: described signal amplification circuit is made up of to the 9th resistance, amplifier chip, the first diode and light emitting diode the second potentiometer, the second electric capacity, the 5th resistance.
6. multipurpose electronic temperature detection gauge tap according to claim 1, it is characterized in that: described control circuit is made up of relay, the second diode and triode, the gauge tap of described relay is connected with the heating tube power end of warming-up device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520048988.9U CN204423199U (en) | 2015-01-24 | 2015-01-24 | A kind of multipurpose electronic temperature detection gauge tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520048988.9U CN204423199U (en) | 2015-01-24 | 2015-01-24 | A kind of multipurpose electronic temperature detection gauge tap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204423199U true CN204423199U (en) | 2015-06-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520048988.9U Expired - Fee Related CN204423199U (en) | 2015-01-24 | 2015-01-24 | A kind of multipurpose electronic temperature detection gauge tap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204423199U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571746A (en) * | 2016-01-27 | 2016-05-11 | 国网山西省电力公司运城供电公司 | Temperature acquisition circuit |
| CN106289564A (en) * | 2016-07-25 | 2017-01-04 | 北京新能源汽车股份有限公司 | A kind of temperature sensing circuit of the electric heating system controller for electric automobile |
-
2015
- 2015-01-24 CN CN201520048988.9U patent/CN204423199U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571746A (en) * | 2016-01-27 | 2016-05-11 | 国网山西省电力公司运城供电公司 | Temperature acquisition circuit |
| CN105571746B (en) * | 2016-01-27 | 2018-05-29 | 国网山西省电力公司运城供电公司 | Temperature collection circuit |
| CN106289564A (en) * | 2016-07-25 | 2017-01-04 | 北京新能源汽车股份有限公司 | A kind of temperature sensing circuit of the electric heating system controller for electric automobile |
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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: 20150624 Termination date: 20160124 |
|
| EXPY | Termination of patent right or utility model |