CN209102829U - Thermal protector detection device - Google Patents
Thermal protector detection device Download PDFInfo
- Publication number
- CN209102829U CN209102829U CN201821881371.5U CN201821881371U CN209102829U CN 209102829 U CN209102829 U CN 209102829U CN 201821881371 U CN201821881371 U CN 201821881371U CN 209102829 U CN209102829 U CN 209102829U
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- output end
- circuit
- voltage regulator
- input terminal
- thermal protector
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Abstract
The utility model relates to a kind of thermal protector detection devices, solve the deficiencies in the prior art, technical solution are as follows: be used cooperatively with temperature and humidity control box, including connecting box, transformer is exported configured with a Multiple coil in the connecting line, the input terminal of the Multiple coil output transformer is electrically connected with city, each output end of Multiple coil output transformer is respectively connected with one group of detection circuit, every group of detection circuit includes rectifier bridge, voltage regulator circuit, adaptation adjusts the instruction interface circuit of resistance and several groups parallel connection, the input terminal of a rectifier bridge output end corresponding with Multiple coil output transformer connects, the output end of the rectifier bridge and the input terminal of voltage regulator circuit connect, the output end of voltage regulator circuit adjusts resistance eutral grounding by adaptation, the output end of voltage regulator circuit is also electrically connected with the instruction interface circuit of several groups parallel connection, tested heat is protected Device configuration is protected in temperature and humidity control box.
Description
Technical field
The utility model relates to a kind of detection devices, and in particular to a kind of thermal protector detection device.
Background technique
China Patent Publication No. 205160978U was once disclosed a kind of temperature and humidity intelligent control cabinet in 2016, and passed through mould
Blockization design, is arranged respectively to the installation of display screen and the installation of key to dismantle simple modular unit, if damaged
It is bad, direct dismounting and change.Temperature and humidity intelligent control cabinet, including main box, the case lid being connect with main box, inside main box
At positive tetrahedron shape, electronic component is placed in inside, characterized in that is provided with display screen fixture above the cover wall, shows
Display screen fixed frame is made of fixed plate and backplate, and backplate is may be integrally molded with by orthogonal steel plate, with cover wall
Mounting groove is formed, display screen is inserted into mounting groove symmetrical above and below and is fixedly mounted, and key is provided with below display screen fixture
The lower end of sensing device, key sensing device is provided with binding post.It can be used for thermal protector detection device, current heat is protected
Device detection device efficiency is lower to detect to small number of thermal protector for shield, needs a kind of higher Thermal protection of efficiency
Device detection device.
Utility model content
Utility model aims to solve the above-mentioned prior art there are current thermal protector detection device efficiency compared with
Low the problem of can only detecting to small number of thermal protector, provides a kind of higher thermal protector detection device of efficiency.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of thermal protector detection device, with temperature
Humidity control case is used cooperatively, including connecting box, exports transformer configured with a Multiple coil in the connecting line, it is described mostly around
The input terminal of group output transformer is electrically connected with city, and each output end of Multiple coil output transformer is respectively connected with one group of detection electricity
Road, every group of detection circuit include the instruction interface circuit of rectifier bridge, voltage regulator circuit, adaptation adjusting resistance and several groups parallel connection,
The corresponding output end of the input terminal of the rectifier bridge and Multiple coil output transformer connects, the output end of the rectifier bridge with
The input terminal of voltage regulator circuit connects, and the output end of voltage regulator circuit adjusts resistance eutral grounding by adaptation, and the output end of voltage regulator circuit is also
It is electrically connected with the instruction interface circuit of several groups parallel connection, the instruction interface circuit includes the light emitting diode of instruction, grafting
Mouthful and current-limiting resistance, the output end of the input terminal of light emitting diode and voltage regulator circuit connect, the output end of light emitting diode and insert
The other end of the connection of interface one end, interface is grounded by current-limiting resistance, and the interface is connect with tested thermal protector, by
The thermal protector of survey configures in temperature and humidity control box.The efficiency of the utility model is higher, can be to multiple tested Thermal protections
Device is detected simultaneously.Input is common illumination 220V AC power source, passes through transformation, rectification, indicator light, the phases such as quick plug
Connection is closed, realizes the temperature detecting function to thermal protector.When employee's operation only need by the two poles of the earth of thermal protector with
The correspondence number of 20 core winding displacements terminates, and heat guarantor is put into temperature and humidity control box, realizes that the Temperature and Humidity of corresponding temperature determines.
Such as be demarcated as 90 degree of heat and protect, according to concerned countries standard, when temperature reaches 85 degree from 0 ° of heating, thermal protector needs to protect
On state is held, it is breaking between 85 degree to 95 degree, then determine the thermal protector for qualification.
It can be adapted for all thermal protector temperature detections, adapt to the needs of sampling observation and batch full inspection.
Preferably, the voltage regulator circuit includes voltage stabilizing chip LM7805, capacitor C1 and capacitor C2, the voltage stabilizing chip
The input terminal of LM7805 and the output end of rectifier bridge connect, and the input terminal of voltage stabilizing chip LM7805 is grounded by capacitor C1, pressure stabilizing
The output end of chip LM7805 is grounded by capacitor C2, the output end of the voltage stabilizing chip LM7805 instruction interface in parallel with several groups
Circuit electrical connection.
Preferably, the output end of the voltage regulator circuit is also electrically connected at most five groups instruction interface circuits in parallel.
Preferably, the circuit of each group of detection circuit is all the same.
The substantial effect of the utility model is: the efficiency of the utility model is higher, can be to multiple tested Thermal protections
Device is detected simultaneously.
Detailed description of the invention
Fig. 1 is the circuit diagram of the utility model；
Fig. 2 is the outside drawing of the utility model.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model is made further specifically
It is bright.
Embodiment 1:
A kind of thermal protector detection device (referring to attached drawing 1 and attached drawing 2), is used cooperatively with temperature and humidity control box, including even
Case is connect, a Multiple coil is configured in the connecting line and exports transformer, the input terminal of the Multiple coil output transformer and city
Each output end of electrical connection, Multiple coil output transformer is respectively connected with one group of detection circuit, and every group of detection circuit includes whole
Flow bridge, voltage regulator circuit, adaptation adjust resistance and several groups parallel connection instruction interface circuit, the input terminal of the rectifier bridge and mostly around
The corresponding output end connection of group output transformer, the output end of the rectifier bridge and the input terminal of voltage regulator circuit connect, surely
The output end of volt circuit adjusts resistance eutral grounding, the output end of voltage regulator circuit instruction interface electricity also in parallel with several groups by adaptation
Road electrical connection, the instruction interface circuit include the light emitting diode, interface and current-limiting resistance of instruction, light emitting diode
The connection of the output end of input terminal and voltage regulator circuit, the output end of light emitting diode connect with interface one end, interface it is another
End is grounded by current-limiting resistance, and the interface is connect with tested thermal protector, and tested thermal protector is configured in temperature and humidity
In control cabinet.The voltage regulator circuit includes voltage stabilizing chip LM7805, capacitor C1 and capacitor C2, and the voltage stabilizing chip LM7805's is defeated
The output end for entering end and rectifier bridge connects, and the input terminal of voltage stabilizing chip LM7805 is grounded by capacitor C1, voltage stabilizing chip LM7805
Output end be grounded by capacitor C2, the instruction interface circuit that the output end of voltage stabilizing chip LM7805 is in parallel with several groups is electrically connected
It connects.The output end of the voltage regulator circuit is also electrically connected at most five groups instruction interface circuits in parallel.Each group of detection circuit
Circuit is all the same.
The present embodiment input is common illumination 220V AC power source, passes through transformation, rectification, indicator light, quick plug etc.
Line related connection, realizes the temperature detecting function to thermal protector.It is only needed the two poles of the earth of thermal protector when employee's operation
It is terminated with the corresponding number of 20 core winding displacements, heat guarantor is put into temperature and humidity control box, realizes that the Temperature and Humidity of corresponding temperature is true
It is fixed.Such as be demarcated as 90 degree of heat and protect, according to concerned countries standard, when temperature reaches 85 degree from 0 ° of heating, thermal protector is needed
It tends to remain on, it is breaking between 85 degree to 95 degree, then determine the thermal protector for qualification.
Embodiment described above is a kind of preferable scheme of the utility model, is not made to the utility model any
Formal limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (4)
1. a kind of thermal protector detection device, is used cooperatively with temperature and humidity control box, it is characterised in that: described including connecting box
Transformer is exported configured with a Multiple coil in connecting box, the input terminal of the Multiple coil output transformer is electrically connected with city, more
Each output end of winding output transformer is respectively connected with one group of detection circuit, and every group of detection circuit includes rectifier bridge, pressure stabilizing
Circuit, adaptation adjust the instruction interface circuit of resistance and several groups parallel connection, and input terminal and the Multiple coil output of the rectifier bridge become
The corresponding output end connection of depressor, the output end of the rectifier bridge and the input terminal of voltage regulator circuit connect, voltage regulator circuit
Output end adjusts resistance eutral grounding by adaptation, and the output end of voltage regulator circuit instruction interface circuit also in parallel with several groups is electrically connected
It connects, the instruction interface circuit includes the light emitting diode, interface and current-limiting resistance of instruction, the input terminal of light emitting diode
It is connect with the output end of voltage regulator circuit, the output end of light emitting diode is connect with interface one end, and the other end of interface passes through
Current-limiting resistance ground connection, the interface are connect with tested thermal protector, and tested thermal protector is configured in temperature and humidity control box
It is interior.
2. thermal protector detection device according to claim 1, it is characterised in that: the voltage regulator circuit includes voltage stabilizing chip
The output end of the input terminal and rectifier bridge of LM7805, capacitor C1 and capacitor C2, the voltage stabilizing chip LM7805 connects, voltage stabilizing chip
The input terminal of LM7805 is grounded by capacitor C1, and the output end of voltage stabilizing chip LM7805 is grounded by capacitor C2, voltage stabilizing chip
The output end of LM7805 is electrically connected with the instruction interface circuit of several groups parallel connection.
3. thermal protector detection device according to claim 1, it is characterised in that: the output end of the voltage regulator circuit also with
At most five groups instruction interface circuit electrical connections in parallel.
4. thermal protector detection device according to claim 1, it is characterised in that: the circuit of each group of detection circuit is homogeneous
Together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821881371.5U CN209102829U (en) | 2018-11-15 | 2018-11-15 | Thermal protector detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821881371.5U CN209102829U (en) | 2018-11-15 | 2018-11-15 | Thermal protector detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209102829U true CN209102829U (en) | 2019-07-12 |
Family
ID=67159806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821881371.5U Active CN209102829U (en) | 2018-11-15 | 2018-11-15 | Thermal protector detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209102829U (en) |
-
2018
- 2018-11-15 CN CN201821881371.5U patent/CN209102829U/en active Active
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