CN207923315U - Wisdom safety utilization of electric power monitoring detector temperature monitoring circuit - Google Patents
Wisdom safety utilization of electric power monitoring detector temperature monitoring circuit Download PDFInfo
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- CN207923315U CN207923315U CN201820462297.7U CN201820462297U CN207923315U CN 207923315 U CN207923315 U CN 207923315U CN 201820462297 U CN201820462297 U CN 201820462297U CN 207923315 U CN207923315 U CN 207923315U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 18
- 229910052697 platinum Inorganic materials 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses wisdom safety utilization of electric power monitoring detector temperature monitoring circuits, including signal acquisition circuit, comparison control circuit and driving warning circuit, collected temperature signal and reference signal are inputted comparison control circuit by the signal acquisition circuit, the on and off of control photoelectrical coupler U1 after temperature signal and reference signal are compared by the comparison control circuit, to control driving warning circuit alarm, and alarm signal is sent to user service platform by sender unit E1, with simple in structure, the characteristic for being skillfully constructed and detecting in real time, it realizes and the temperature in power distribution cabinet is measured in real time and is alarmed, improve the security performance of power distribution cabinet.
Description
Technical field
The utility model is related to temperature detection technical fields, more particularly to wisdom safety utilization of electric power monitoring detector temperature
Monitor circuit.
Background technology
Final stage device of the power distribution cabinet as distribution system, from conversational implication, power distribution cabinet is exactly to be integrated with for electric energy
The cabinet of the electrical equipment of distribution, the effect of power distribution cabinet are to carry out distribution and control to electrical equipment, overload, short occur in circuit
When road and electric leakage, power distribution cabinet can also provide power-off protection, thus power distribution cabinet is ensureing user security, reliable and convenient electricity consumption side
Face plays considerable effect, but power distribution cabinet is susceptible to fever phenomenon when in use, and temperature is excessively high, not only influences to match
The service life of electric cabinet equally has an impact the performance of power distribution cabinet, reduces the safety of user power utilization.
So the utility model provides a kind of new scheme to solve the problems, such as this.
Utility model content
For the above situation, to overcome the defect of the prior art, the utility model to be designed to provide safety utilization of electric power prison
Detector temperature monitoring circuit is controlled, there is characteristic that is simple in structure, being skillfully constructed and detect in real time, realize in power distribution cabinet
Temperature be measured in real time and alarm, improve the security performance of power distribution cabinet.
Its technical solution solved is wisdom safety utilization of electric power monitoring detector temperature monitoring circuit, including signal acquisition
Circuit, comparison control circuit and driving warning circuit, the signal acquisition circuit is by collected temperature signal and reference signal
Comparison control circuit is inputted, the comparison control circuit controls photoelectrical coupler after being compared temperature signal and reference signal
Alarm signal to control driving warning circuit alarm, and is sent to use by the on and off of U1 by sender unit E1
Family service platform；
The comparison control circuit includes power supply+12V, one end of power supply+12V connection resistance R7, the other end of resistance R7
The pin 1 of photoelectrical coupler U1 is connect, the pin 2 of photoelectrical coupler U1 connects the collector of triode Q1, and photoelectrical coupler U1's draws
Foot 3 connects the cathode of diode D2, and the pin 4 of photoelectrical coupler U1 connects the anode of diode D2, the base stage connecting resistance of triode Q1
One end of R5, the cathode of one end and diode D1 of the emitter connecting resistance R10 of triode Q1, the anode connecting resistance of diode D1
One end of R6, the other end ground connection of resistance R10.
Due to the use of above technical scheme, the utility model has the following advantages that compared with prior art；
1, the comparison control circuit is using triode Q1 as comparator and controller, by signal acquisition circuit output
The voltage signal of reaction temperature variation is added in the base stage of triode Q1, the temperature signal that signal acquisition circuit is set through resistance R5
The reference voltage signal of a reference value conversion is added in the emitter of triode Q1 through resistance R6 and diode D1, when being added in triode Q1
When the voltage signal of base stage is more than the reference voltage signal for the emitter for being added in triode Q1, triode Q1 conductings, photoelectric coupling
Device U1 conducting, control driving warning circuit are started to work, have the characteristics that it is simple in structure, be skillfully constructed, effectively have detected and match
Temperature variations in electric cabinet improve the safety that power distribution cabinet uses.
2, the driving warning circuit in comparison control circuit when photoelectrical coupler U1 conductings, report by buzzer LS1 conductings
Alert, relay K1 conductings, normally opened contact is closed, while the emitter of photoelectrical coupler U1 provides triggering to the gate pole of thyristor Q3
Warning message is sent to user service platform, utilizes buzzer LS1 and letter by signal, thyristor Q3 conductings, sender unit E1
Number transmitter E1 realizes that instant alarming and warning message are sent to user and log in platform, that is, prompts the effect of user, and improve
The security performance of power distribution cabinet.
Description of the drawings
Fig. 1 is the circuit module figure of the utility model wisdom safety utilization of electric power monitoring detector temperature monitoring circuit.
Fig. 2 is the circuit diagram of the utility model wisdom safety utilization of electric power monitoring detector temperature monitoring circuit.
Specific implementation mode
Aforementioned and other technology contents, feature and effect in relation to the utility model, in following cooperation with reference to figures 1 through attached
Fig. 2 is in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is to say
Bright book attached drawing is reference.
Each exemplary embodiment of the utility model is described below with reference to accompanying drawings.
Embodiment one, wisdom safety utilization of electric power monitoring detector temperature monitoring circuit, including signal acquisition circuit, compare control
Collected temperature signal and reference signal input are compared control by circuit processed and driving warning circuit, the signal acquisition circuit
Circuit, the comparison control circuit control the conducting of photoelectrical coupler U1 and cut after being compared temperature signal and reference signal
Only, to control driving warning circuit alarm, and alarm signal is sent to user service platform by sender unit E1；
The comparison control circuit includes power supply+12V, one end of power supply+12V connection resistance R7, the other end of resistance R7
The pin 1 of photoelectrical coupler U1 is connect, the pin 2 of photoelectrical coupler U1 connects the collector of triode Q1, and photoelectrical coupler U1's draws
Foot 3 connects the cathode of diode D2, and the pin 4 of photoelectrical coupler U1 connects the anode of diode D2, the base stage connecting resistance of triode Q1
One end of R5, the cathode of one end and diode D1 of the emitter connecting resistance R10 of triode Q1, the anode connecting resistance of diode D1
One end of R6, the other end ground connection of resistance R10；
The temperature in power distribution cabinet is measured in real time in order to realize, the comparison control circuit uses triode Q1 conducts
The voltage signal of the reaction temperature variation of signal acquisition circuit output is added in triode Q1 by comparator and controller through resistance R5
Base stage, by signal acquisition circuit setting temperature signal a reference value conversion reference voltage signal through resistance R6 and diode D1
It is added in the emitter of triode Q1, when the voltage signal for being added in triode Q1 base stages is more than the base for the emitter for being added in triode Q1
When quasi- voltage signal, triode Q1 conductings, photoelectrical coupler U1 conductings, control driving warning circuit start-up operation, power supply+12V
Power supply is provided for photoelectrical coupler U1, reverse bias voltage, resistance R5, resistance R6 and resistance are provided for the collector of triode Q1
R7 plays metering function, protects triode Q1 and photoelectrical coupler U1, diode D1 to play temperature compensation function, reduces triode Q1's
Temperature drift improves the stability and accuracy of circuit, and diode D2 plays pressure stabilization function, and photoelectrical coupler U1, this circuit is protected to have
The characteristics of simple in structure, real-time detection, effectively has detected the temperature variations in power distribution cabinet, improves what power distribution cabinet used
Safety.
The signal acquisition circuit includes power supply+12V, and power supply+12V meets one end and the platinum resistance thermometer sensor, R1 of adjustable resistance R3
One end, the other end of one end and resistance R5 of another terminating resistor R2 of platinum resistance thermometer sensor, R1, another termination electricity of adjustable resistance R3
Hinder the other end of one end and resistance R6 of R4, the other end ground connection of resistance R4 and resistance R2；
In order to be acquired to temperature change in power distribution cabinet, the signal acquisition circuit passes through platinum resistance thermometer sensor, R1, resistance R2
The electric bridge composed in parallel with resistance R4, adjustable resistance R3 realizes the acquisition changed to temperature signal, wherein adjustable resistance R3 and
The temperature pre-warning value in power distribution cabinet is arranged by adjusting the resistance value of adjustable resistance R3 in resistance R4 series connection, and resistance R4 is as sampling
Resistance, the voltage signal on resistance R4 input the comparison control circuit, platinum resistance thermometer sensor, R1 and resistance as reference voltage signal
R2 connects, and platinum resistance thermometer sensor, R1 is reduced as temperature signal collection resistance, the resistance value of platinum resistance thermometer sensor, R1 with the raising of temperature, resistance
R2 inputs the comparison control circuit as sampling resistor, by voltage signal when temperature change on resistance R2, and power supply+12V is
Signal acquisition circuit provide power supply, have the characteristics that simple in structure, accuracy is high, effectively to the temperature signal in distribution box into
Acquisition is gone.
The driving warning circuit includes resistance R8, another termination bee of a termination power+12V of resistance R8, resistance R8
Ring the pin 3 of device LS1 pins 1, the cathode of diode D3 and relay K1, the pin 1 of relay K1, the pin 2 of buzzer LS1
The pin 4 of the pin 3 of photoelectrical coupler U1, the anode of diode D3 and relay K1 is connect, the pin 4 of photoelectrical coupler U1 connects electricity
The gate pole of one end and thyristor Q3 of R9, the other end ground connection of resistance R9 are hindered, the pin 2 of relay K1 connects the sun of thyristor Q3
The cathode of pole, thyristor Q3 meets sender unit E1；
In order to realize forewarning function to the temperature change in power distribution cabinet, the driving warning circuit is in comparison control circuit
When photoelectrical coupler U1 conductings, buzzer LS1 conducting alarms, relay K1 conductings, normally opened contact is closed, while photoelectrical coupler
The emitter of U1 provides trigger signal, thyristor Q3 conductings to the gate pole of thyristor Q3, and sender unit E1 sends out warning message
It is sent to user service platform, wherein the emitter of photoelectrical coupler U1 provides trigger signal, resistance R8 to the gate pole of thyristor Q3
Metering function is played, buzzer LS1 and relay K1, diode D3 is protected to play pressure stabilization function, protective relay K1 has structure letter
Singly, the characteristics of being skillfully constructed, realizes the forewarning function to temperature change in power distribution cabinet, improves the safety using power distribution cabinet
Property.
When the utility model is specifically used, the signal acquisition circuit divides two-way Acquisition Circuit, all the way by power distribution cabinet medium temperature
Degree signal is converted to voltage signal by platinum resistance thermometer sensor, R1, and using resistance R2 as sampling resistor, the voltage on resistance R2 is believed
Number the comparison control circuit is inputted as temperature signal, another way is arranged temperature pre-warning value by adjustable resistance R3, utilizes electricity
R4 is hindered as sampling resistor, and the comparison control circuit, the comparison are inputted using the voltage signal on resistance R4 as a reference value
The voltage signal for the reaction temperature variation that signal acquisition circuit exports is added in the base stage of triode Q1 by control circuit through resistance R5,
The reference voltage signal of the temperature signal a reference value conversion of signal acquisition circuit setting is added in three through resistance R6 and diode D1
The emitter of pole pipe Q1, when the voltage signal for being added in triode Q1 base stages is more than the reference voltage for the emitter for being added in triode Q1
When signal, triode Q1 conductings, photoelectrical coupler U1 conductings, control driving warning circuit start-up operation, power supply+12V is photoelectricity
Coupler U1 provides power supply, provides reverse bias voltage for the collector of triode Q1, resistance R5, resistance R6 and resistance R7 play limit
Stream acts on, and protects triode Q1 and photoelectrical coupler U1, diode D1 to play temperature compensation function, reduces the temperature drift of triode Q1,
The driving warning circuit is in comparison control circuit when photoelectrical coupler U1 conductings, and buzzer LS1 conductings are alarmed, relay K1
Conducting, normally opened contact are closed, while the emitter of photoelectrical coupler U1 provides trigger signal, thyristor to the gate pole of thyristor Q3
Q3 is connected, and warning message is sent to user service platform by sender unit E1, wherein the emitter of photoelectrical coupler U1 is to crystalline substance
The gate pole of brake tube Q3 provides trigger signal, and resistance R8 plays metering function, and buzzer LS1 and relay K1, diode D3 is protected to rise
Pressure stabilization function, protective relay K1, have the characteristics that it is simple in structure, be skillfully constructed and detect in real time, realize in power distribution cabinet
Temperature be measured in real time and alarm, improve the security performance of power distribution cabinet.
The above is to combine specific implementation mode further detailed description of the utility model, and it cannot be said that originally
Utility model specific implementation is limited only to this；For belonging to the utility model and for those skilled in the technology concerned,
Under the premise of technical solutions of the utility model thinking, made by expand and operating method, data replacement, should all fall
Within scope of protection of the utility model.
Claims (3)
1. wisdom safety utilization of electric power monitoring detector temperature monitoring circuit, including signal acquisition circuit, comparison control circuit and drive
Dynamic warning circuit, which is characterized in that collected temperature signal and reference signal input are compared control by the signal acquisition circuit
Circuit processed, after temperature signal and reference signal are compared by the comparison control circuit conducting of control photoelectrical coupler U1 and
Alarm signal to control driving warning circuit alarm, and is sent to user service by sender unit E1 and put down by cut-off
Platform；
The comparison control circuit includes power supply+12V, one end of power supply+12V connection resistance R7, another termination light of resistance R7
The pin 1 of electric coupler U1, the pin 2 of photoelectrical coupler U1 connect the collector of triode Q1, and the pin 3 of photoelectrical coupler U1 connects
The cathode of diode D2, the pin 4 of photoelectrical coupler U1 connect the anode of diode D2, and the one of the base stage connecting resistance R5 of triode Q1
End, the cathode of one end and diode D1 of the emitter connecting resistance R10 of triode Q1, the one of the anode connecting resistance R6 of diode D1
End, the other end ground connection of resistance R10.
2. wisdom safety utilization of electric power monitoring detector temperature monitoring circuit as described in claim 1, which is characterized in that the signal
Acquisition Circuit includes power supply+12V, and power supply+12V meets one end of one end and platinum resistance thermometer sensor, R1 of adjustable resistance R3, platinum resistance thermometer sensor, R1
Another terminating resistor R2 one end and resistance R5 the other end, one end of another terminating resistor R4 of adjustable resistance R3 and resistance
The other end of the other end of R6, resistance R4 and resistance R2 are grounded.
3. wisdom safety utilization of electric power monitoring detector temperature monitoring circuit as described in claim 1, which is characterized in that the driving
Warning circuit includes resistance R8, another termination buzzer LS1 pins 1 of a termination power+12V of resistance R8, resistance R8, two poles
The pin 2 of the pin 1 of the cathode of pipe D3 and the pin 3 of relay K1, relay K1, buzzer LS1 connects photoelectrical coupler U1's
The pin 4 of pin 3, the anode of diode D3 and relay K1, one end of the 4 connecting resistance R9 of pin of photoelectrical coupler U1 and brilliant lock
The gate pole of pipe Q3, the other end ground connection of resistance R9, the pin 2 of relay K1 connect the anode of thyristor Q3, the cathode of thyristor Q3
Meet sender unit E1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820462297.7U CN207923315U (en) | 2018-03-30 | 2018-03-30 | Wisdom safety utilization of electric power monitoring detector temperature monitoring circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820462297.7U CN207923315U (en) | 2018-03-30 | 2018-03-30 | Wisdom safety utilization of electric power monitoring detector temperature monitoring circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207923315U true CN207923315U (en) | 2018-09-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820462297.7U Expired - Fee Related CN207923315U (en) | 2018-03-30 | 2018-03-30 | Wisdom safety utilization of electric power monitoring detector temperature monitoring circuit |
Country Status (1)
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| CN (1) | CN207923315U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646108A (en) * | 2019-11-08 | 2020-01-03 | 哈尔滨汽轮机厂有限责任公司 | Electromagnetic valve state monitoring device based on temperature acquisition |
| CN112942169A (en) * | 2021-03-07 | 2021-06-11 | 广东省高速公路有限公司京珠北分公司 | Road maintenance operation acousto-optic warning system and method |
-
2018
- 2018-03-30 CN CN201820462297.7U patent/CN207923315U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646108A (en) * | 2019-11-08 | 2020-01-03 | 哈尔滨汽轮机厂有限责任公司 | Electromagnetic valve state monitoring device based on temperature acquisition |
| CN112942169A (en) * | 2021-03-07 | 2021-06-11 | 广东省高速公路有限公司京珠北分公司 | Road maintenance operation acousto-optic warning system and method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 467000 Huatuo Electric Power Industrial Park, north of the east section of Shenma Avenue, high tech Zone, Pingdingshan City, Henan Province Patentee after: Huatuo Power Equipment Group Co.,Ltd. Address before: 467000 courtyard 5, Fengyuan street, high tech Zone, Pingdingshan City, Henan Province Patentee before: HENAN HUATUO ELECTRIC POWER EQUIPMENT Co.,Ltd. |
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| 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: 20180928 |