CN211295786U - Switch board with temperature detection function - Google Patents
Switch board with temperature detection function Download PDFInfo
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- CN211295786U CN211295786U CN202020099849.XU CN202020099849U CN211295786U CN 211295786 U CN211295786 U CN 211295786U CN 202020099849 U CN202020099849 U CN 202020099849U CN 211295786 U CN211295786 U CN 211295786U
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Abstract
The utility model relates to the technical field of power equipment, in particular to a power distribution cabinet with a temperature detection function, which comprises a power distribution cabinet body, wherein a temperature detection device for detecting the internal temperature of the power distribution cabinet body is arranged in the power distribution cabinet body; the temperature detection device comprises a temperature detection assembly, a control assembly and a prompt assembly; when the temperature detection assembly detects that the internal temperature of the power distribution cabinet body is higher than a preset value, the prompt assembly responds to a control signal to start a prompt function. The utility model discloses its effect that has is: when the inside temperature of block terminal is higher, can in time report to the police and remind the staff to carry out the heat dissipation and handle.
Description
Technical Field
The utility model belongs to the technical field of power equipment's technique and specifically relates to a switch board with temperature detects function is related to.
Background
The power distribution cabinet, the lighting power distribution cabinet and the metering cabinet are final-stage equipment of a power distribution system, and the power distribution cabinet is a general name of a motor control center. The switch equipment, the measuring instrument, the protective electrical equipment and the auxiliary equipment are assembled in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement of the power distribution cabinet to form a low-voltage power distribution device, and a circuit can be switched on or switched off by a manual or automatic switch in normal operation; when the fault or abnormal operation occurs, the circuit is cut off or an alarm is given by the aid of the protective electric appliance. In addition, the measuring instrument can display various parameters in operation, and can also adjust certain electrical parameters to prompt or send signals for deviation from normal working state. The power distribution cabinet is commonly used in various power generation, distribution and transformation substations.
The overwhelming majority switch board in the current market adopts closed, and inside high temperature when full load operation or summer use, the heat dissipation is not good, if can not in time discover, long-time operation can lead to insulating ageing, takes place the short circuit phenomenon easily.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a switch board with temperature detection function, its function that has is: when the inside temperature of block terminal is higher, can in time report to the police and remind the staff to carry out the heat dissipation and handle.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a power distribution cabinet with a temperature detection function comprises a power distribution cabinet body, wherein a temperature detection device for detecting the internal temperature of the power distribution cabinet body is arranged in the power distribution cabinet body; the temperature detection device comprises a temperature detection component, a control component and a prompt component;
the temperature detection assembly is fixedly connected to the inner side wall of the power distribution cabinet body and is used for detecting the temperature value of the power distribution cabinet body so as to output a temperature detection signal;
the control assembly is fixedly arranged on the outer side wall of the power distribution cabinet body, is coupled to the temperature detection assembly and responds to the temperature detection signal to output a control signal;
the prompting component is coupled with the control component and responds to a control signal to start or close a prompting function;
when the temperature detection assembly detects that the internal temperature of the power distribution cabinet body is higher than a preset value, the prompt assembly responds to a control signal to start a prompt function.
Through adopting above-mentioned technical scheme, when using this block terminal, when the temperature in the block terminal is higher, temperature detect component output temperature detected signal, then control assembly responds to temperature detected signal with output control signal, the prompt component responds to control signal in order to start or close prompt facility, thereby remind the staff to carry out the thermal treatment in the block terminal high temperature, thereby reduce the insulating ageing that leads to because of the high temperature in the block terminal, and then reduce and take place short circuit phenomenon.
The utility model discloses further set up to: the temperature detection assembly comprises a temperature sensor, and the temperature sensor is used for detecting the temperature value in the power distribution cabinet body so as to output a temperature detection signal.
Through adopting above-mentioned technical scheme, temperature sensor can detect the temperature value, and the function that the temperature of being convenient for detected realizes, and simultaneously, temperature sensor is the market purchase piece, is convenient for acquire and use.
The utility model discloses further set up to: the control assembly comprises a comparator and a reference value adjusting part, wherein the reference value adjusting part is used for controlling and outputting a reference signal, a forward input end of the comparator is coupled with the temperature detection assembly to receive the temperature detection signal, a reverse input end of the comparator is coupled with the reference value adjusting part, and an output end of the comparator is used for outputting the control signal.
By adopting the technical scheme, the temperature detection assembly detects the obtained temperature value, the temperature value needs to be compared with the reference value, when the measured temperature value is higher than the reference value, the control assembly outputs the starting control signal to control the starting of the prompt function of the prompt assembly, and when the measured temperature value is lower than the reference value, the control assembly outputs the closing control signal to control the closing of the prompt function.
The utility model discloses further set up to: the reference value adjusting part includes a first resistor and a second resistor;
one end of the first resistor is coupled to a voltage VDD, and the other end of the first resistor is coupled to an inverting input end of the comparator;
the second resistor is a variable resistor, one end of the second resistor is coupled to ground, and the other end of the second resistor is coupled to a connection node between the inverting input end of the comparator and the first resistor.
By adopting the technical scheme, the resistance value of the second resistor is adjusted to control the voltage input by the inverting input end of the comparator, so that the reference value adjusting part is used for adjusting the reference value
The utility model discloses further set up to: the prompting component comprises a triode, a buzzer, a third resistor and a fourth resistor;
one end of the third resistor is coupled to the output end of the comparator to receive a control signal, and the other end of the third resistor is coupled to the base electrode of the triode;
one end of the fourth resistor is coupled to the emitter of the triode, and the other end of the fourth resistor is coupled to the ground;
the collecting electrode of triode with the negative pole of buzzer is coupled, the positive terminal of buzzer is coupled in power VCC.
Through adopting above-mentioned technical scheme, control assembly output starts control signal, and the suggestion subassembly receives the control of control assembly, and the buzzer starts too high in order to indicate staff's switch board, needs to carry out the heat dissipation and handles.
The utility model discloses further set up to: the temperature detection device also comprises an installation assembly which is arranged in the power distribution cabinet body and used for installing the temperature detection assembly; the mounting assembly comprises a fixed block fixedly connected to the inner side wall of the power distribution cabinet body, a mounting block used for mounting the temperature detection assembly and a locking piece used for locking the mounting block on the fixed block;
the mounting block is provided with a mounting groove, and the temperature detection assembly is detachably connected in the mounting groove;
the fixing block is provided with a sliding groove, the mounting block is connected with the sliding groove in a sliding mode, the upper end face of the mounting block is provided with a locking groove, a pin groove is formed in the position, opposite to the locking groove, of the fixing block, a locking pin is connected in the pin groove in a sliding mode, the lower end of the locking pin is arranged in an inclined mode, the inclined face of the locking pin faces the opening of the sliding groove, the upper end face of the locking pin is fixedly connected with a compression spring, and one end, away from the locking pin, of the compression spring is fixedly connected with the upper groove wall of; when the mounting block slides to be attached to the bottom wall of the sliding groove, the locking pin is inserted into the locking groove under the pushing of the compression spring, and the mounting block is locked on the fixing block.
By adopting the technical scheme, when the temperature detection assembly is installed, the temperature detection assembly is installed in the installation groove, then the installation block is placed in the sliding groove and slides into the sliding groove, when the installation block props against the locking pin and continues to move towards the sliding groove, the locking pin moves upwards under the pushing of the installation block, and when the pin groove moves to the position right below the locking pin, the locking pin is in inserted fit with the pin groove under the action of the compression spring of the locking pin, and the installation block is locked on the fixed block; when the temperature detection assembly needs to be taken down, the locking pin slides upwards to enable the locking pin to be separated from the pin groove in a clamping mode, then the mounting block is taken out, and then the temperature detection assembly is replaced; in conclusion, the temperature detection assembly is convenient to replace.
The utility model discloses further set up to: locking pin lateral wall fixedly connected with lifter, it presses the indent to open on the fixed block, it presses the briquetting to press groove sliding connection, press the briquetting with the lifter laminating, press the briquetting with the binding face of lifter all inclines to set up and the acute angle orientation that binding face and horizontal plane formed the opening direction of pressing the indent.
Through adopting above-mentioned technical scheme, when promoting according to the briquetting, according to briquetting drive lifter rebound to drive the fitting pin rebound, make the temperature-detecting subassembly be convenient for change.
The utility model discloses further set up to: one end of the pressing block, which is far away from the fixed block, is fixedly connected with a limiting lug, and a return spring is connected between the limiting lug and the fixed block.
Through adopting above-mentioned technical scheme, after promoting the pressing block, reset spring makes spacing lug resume to initial position.
The utility model discloses further set up to: two clamping semi-rings which are opposite to each other are arranged in the mounting groove, a sliding rod is fixedly connected to the outer side wall of each clamping semi-ring, a clamping groove for the sliding rod to slide is formed in the mounting block, the length of the sliding rod is larger than that of the clamping groove, one end, extending out of the clamping groove, of the sliding rod is obliquely arranged, and the inclined surface faces the fixed block; when the mounting block is placed in the sliding groove, the sliding rod moves towards the inside of the clamping groove, and the two clamping half rings form a clamping ring for clamping the temperature detection device.
By adopting the technical scheme, during installation, the temperature detection assembly is placed in the two clamping semi-rings, then the installation block is pushed into the sliding groove, and the sliding rod moves towards the inside of the clamping groove when the installation block slides to lock the temperature detection assembly; when the installation block is taken out, the temperature detection assembly is unlocked and locked, and the operation is convenient.
The utility model discloses further set up to: and a tension spring is connected between the two clamping semi-rings.
Through adopting above-mentioned technical scheme, the tensioning spring is convenient for make two clamping semi-rings reset.
To sum up, the utility model discloses a following at least one useful technological effect:
1. when the internal temperature of the distribution box is high, an alarm can be given in time to remind workers to carry out heat dissipation treatment;
2. the temperature detection assembly is convenient to replace.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a connection block diagram of the temperature detection device of the present invention;
fig. 3 is a circuit diagram of the temperature detection device of the present invention;
figure 4 is a cross-sectional view of the mounting assembly of the present invention;
fig. 5 is a partially enlarged schematic view of a portion a in fig. 1.
In the figure, 1, a power distribution cabinet body; 2. mounting the component; 21. a fixed block; 211. a sliding groove; 212. a pin slot; 2121. a locking pin; 2122. a compression spring; 2123; a lifting rod; 213. pressing the groove; 2131. a pressing block; 2132. a limiting bump; 2133. a return spring; 22. mounting blocks; 221. mounting grooves; 2211. clamping the semi-ring; 2212. a slide bar; 222. and (4) locking the groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the utility model discloses a power distribution cabinet with temperature detection function, which comprises a power distribution cabinet body 1, wherein a temperature detection device for detecting the internal temperature of the power distribution cabinet body 1 is arranged in the power distribution cabinet body 1; the temperature detection device comprises a temperature detection assembly, a control assembly and a prompt assembly.
Referring to fig. 2, the temperature detection assembly is fixedly connected to the inner side wall of the power distribution cabinet body 1, and the temperature detection assembly is used for detecting the temperature value of the power distribution cabinet body 1 to output a temperature detection signal; the control assembly is fixedly arranged on the outer side wall of the power distribution cabinet body 1, is coupled with the temperature detection assembly and responds to the temperature detection signal to output a control signal; the prompting component is coupled with the control component and responds to the control signal to start or close the prompting function; when the temperature detection assembly detects that the internal temperature of the power distribution cabinet body 1 is higher than a preset value, the prompt assembly responds to a control signal to start a prompt function.
Referring to fig. 3, it is concrete that the temperature detection subassembly includes temperature sensor, and temperature sensor is used for detecting the temperature value in the switch board body 1 and detects the signal with output temperature, and temperature sensor can detect the temperature value, and the function that the temperature of being convenient for detected realizes, and simultaneously, temperature sensor is for market purchase, is convenient for acquire and use.
The control assembly comprises a comparator and a reference value adjusting part, the reference value adjusting part is used for controlling and outputting a reference signal, a forward input end of the comparator is coupled with the temperature detection assembly to receive the temperature detection signal, a reverse input end of the comparator is coupled with the reference value adjusting part, and an output end of the comparator is used for outputting a control signal. The temperature detection component detects the obtained temperature value, the temperature value needs to be compared with a reference value, when the detected temperature value is higher than the reference value, the control component outputs a starting control signal to control the prompt function of the prompt component to start, and when the detected temperature value is lower than the reference value, the control component outputs a closing control signal to control the prompt function to close.
The reference value adjusting part comprises a first resistor and a second resistor; one end of the first resistor is coupled to a voltage VDD, and the other end of the first resistor is coupled to an inverting input end of the comparator; the second resistor is a variable resistor, one end of the second resistor is coupled to the ground, and the other end of the second resistor is coupled to a connection node between the inverting input end of the comparator and the first resistor. When the reference value adjusting part is used, the resistance value of the second resistor is adjusted to control the voltage input by the inverting input end of the comparator, so that the reference value adjusting part adjusts the reference value
The prompting component comprises a triode, a buzzer, a third resistor and a fourth resistor; one end of the third resistor is coupled to the output end of the comparator to receive the control signal, and the other end of the third resistor is coupled to the base electrode of the triode; one end of the fourth resistor is coupled to the emitter of the triode, and the other end of the fourth resistor is coupled to the ground; the collector of triode is coupled with the negative pole of buzzer, and the positive terminal of buzzer is coupled in power VCC. When control assembly output start control signal, the suggestion subassembly receives the control of control assembly, and the buzzer starts too high temperature in order to indicate staff's switch board, needs to carry out the heat dissipation and handles.
Referring to fig. 1 and 4, the power distribution cabinet further includes an installation component 2 disposed in the power distribution cabinet body 1 for installing a temperature detection component; the mounting assembly 2 comprises a fixing block 21 fixedly connected to the inner side wall of the power distribution cabinet body 1 and a mounting block 22 for mounting the temperature detection assembly.
Wherein, the mounting block 22 is provided with a mounting groove 221, and the temperature detection component is detachably connected in the mounting groove 221; the fixed block 21 is provided with a sliding groove 211, the mounting block 22 is connected with the sliding groove 211 in a sliding manner, the upper end surface of the mounting block 22 is provided with a locking groove 222, the position of the fixed block 21, which is opposite to the locking groove 222, is provided with a pin groove 212, a locking pin 2121 is connected in the pin groove 212 in a sliding manner, the lower end of the locking pin 2121 is obliquely arranged, the inclined surface of the locking pin faces the opening of the sliding groove 211, the upper end surface of the locking pin 2121 is fixedly connected with a pressure spring 2122, and one end of the pressure spring 2122, which is far away from the pressure spring; when the mounting block 22 slides to be attached to the bottom wall of the sliding groove 211, the locking pin 2121 is inserted into the locking groove 222 under the pushing of the pressure spring 2122, so as to lock the mounting block 22 to the fixed block 21.
When the temperature detection assembly is installed, the temperature detection assembly is installed in the installation groove 221, then the installation block 22 is placed in the sliding groove 211, the installation block 22 slides into the sliding groove 211, when the installation block 22 abuts against the locking pin 2121 and continues to move towards the sliding groove 211, the locking pin 2121 moves upwards under the pushing of the installation block 22, and when the pin groove 212 moves to the position right below the locking pin 2121, the locking pin 2121 is in inserted fit with the pin groove 212 under the action of the compression spring 2122, and the installation block 22 is locked on the fixed block 21; when the temperature detection assembly needs to be taken down, the locking pin 2121 slides upwards to enable the locking pin 2121 to be separated from the pin groove 212 in a clamping manner, then the mounting block 22 is taken out, and then the temperature detection assembly is replaced; in conclusion, the temperature detection assembly is convenient to replace.
In order to facilitate the movement of the locking pin 2121, a lifting rod 2123 is fixedly connected to a side wall of the locking pin 2121, a pressing groove 213 is formed in the fixed block 21, a pressing block 2131 is slidably connected to the pressing groove 213, the pressing block 2131 is attached to the lifting rod 2123, attachment surfaces of the pressing block 2131 and the lifting rod 2123 are both inclined, and an acute angle formed by the attachment surfaces and a horizontal plane faces the opening direction of the pressing groove 213. When pushing the pressing block 2131, the pressing block 2131 drives the lifting rod 2123 to move upwards, so as to drive the locking pin 2121 to move upwards, and the temperature detection assembly is convenient to replace.
Two opposite clamping half rings 2211 are arranged in the mounting groove 221, the outer side walls of the clamping half rings 2211 are fixedly connected with sliding rods 2212, the mounting block 22 is provided with a clamping groove for the sliding rods 2212 to slide, the length of the sliding rods 2212 is larger than that of the clamping groove, one end of the sliding rod 2212 extending out of the clamping groove is obliquely arranged, and the inclined plane faces towards the fixing block 21; when the mounting block 22 is placed in the sliding groove 211, the sliding rod 2212 moves toward the inside of the clamping groove, and the two clamping half rings 2211 form a clamping ring for clamping the temperature detection device. During installation, the temperature detection assembly is placed in the two clamping half rings 2211, then the installation block 22 is pushed into the sliding groove 211, and the sliding rod 2212 moves towards the inside of the clamping groove when the installation block 22 slides to lock the temperature detection assembly; when the mounting block 22 is taken out, the temperature detection assembly is unlocked, and the operation is convenient.
Further, a tension spring is connected between the two clamping half rings 2211, and the tension spring enables the two clamping half rings 2211 to be convenient to reset.
Referring to fig. 5, a limiting protrusion 2132 is fixedly connected to one end of the pressing block 2131 away from the fixing block 21, and a return spring 2133 is connected between the limiting protrusion 2132 and the fixing block 21. After the pressing block 2131 is pushed, the return spring 2133 enables the limiting lug 2132 to return to the initial position.
The implementation principle of the embodiment is as follows:
when using this block terminal, when the temperature in the block terminal is higher, temperature detect subassembly output temperature detected signal, then control assembly responds to temperature detected signal with output control signal, the prompt component responds to control signal in order to start or close prompt facility to the high temperature needs to carry out the thermal treatment in reminding the staff's block terminal, thereby the reduction is ageing because of the insulation that the high temperature leads to in the block terminal, and then the short circuit phenomenon takes place in the reduction.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a switch board with temperature detects function, includes switch board body (1), its characterized in that: a temperature detection device for detecting the internal temperature of the power distribution cabinet body (1) is arranged in the power distribution cabinet body (1); the temperature detection device comprises a temperature detection component, a control component and a prompt component;
the temperature detection assembly is fixedly connected to the inner side wall of the power distribution cabinet body (1), and is used for detecting the temperature value of the power distribution cabinet body (1) to output a temperature detection signal;
the control assembly is fixedly arranged on the outer side wall of the power distribution cabinet body (1), is coupled to the temperature detection assembly and responds to the temperature detection signal to output a control signal;
the prompting component is coupled with the control component and responds to a control signal to start or close a prompting function;
when the temperature detection assembly detects that the internal temperature of the power distribution cabinet body (1) is higher than a preset value, the prompt assembly responds to a control signal to start a prompt function.
2. The power distribution cabinet with the temperature detection function according to claim 1, characterized in that: the temperature detection assembly comprises a temperature sensor, and the temperature sensor is used for detecting a temperature value in the power distribution cabinet body (1) so as to output a temperature detection signal.
3. The power distribution cabinet with the temperature detection function according to claim 2, characterized in that: the control assembly comprises a comparator and a reference value adjusting part, wherein the reference value adjusting part is used for controlling and outputting a reference signal, a forward input end of the comparator is coupled with the temperature detection assembly to receive the temperature detection signal, a reverse input end of the comparator is coupled with the reference value adjusting part, and an output end of the comparator is used for outputting the control signal.
4. The power distribution cabinet with the temperature detection function according to claim 3, characterized in that: the reference value adjusting part includes a first resistor and a second resistor;
one end of the first resistor is coupled to a voltage VDD, and the other end of the first resistor is coupled to an inverting input end of the comparator;
the second resistor is a variable resistor, one end of the second resistor is coupled to ground, and the other end of the second resistor is coupled to a connection node between the inverting input end of the comparator and the first resistor.
5. The power distribution cabinet with the temperature detection function according to claim 4, wherein: the prompting component comprises a triode, a buzzer, a third resistor and a fourth resistor;
one end of the third resistor is coupled to the output end of the comparator to receive a control signal, and the other end of the third resistor is coupled to the base electrode of the triode;
one end of the fourth resistor is coupled to the emitter of the triode, and the other end of the fourth resistor is coupled to the ground;
the collecting electrode of triode with the negative pole of buzzer is coupled, the positive terminal of buzzer is coupled in power VCC.
6. The power distribution cabinet with the temperature detection function according to claim 1, characterized in that: the temperature detection device is characterized by also comprising an installation assembly (2) which is arranged in the power distribution cabinet body (1) and used for installing the temperature detection assembly; the mounting assembly (2) comprises a fixing block (21) fixedly connected to the inner side wall of the power distribution cabinet body (1), a mounting block (22) used for mounting the temperature detection assembly, and a locking piece used for locking the mounting block (22) on the fixing block (21);
the mounting block (22) is provided with a mounting groove (221), and the temperature detection assembly is detachably connected in the mounting groove (221);
the fixing block (21) is provided with a sliding groove (211), the mounting block (22) is in sliding connection with the sliding groove (211), the upper end face of the mounting block (22) is provided with a locking groove (222), the position of the fixing block (21) opposite to the locking groove (222) is provided with a pin groove (212), the pin groove (212) is connected with a locking pin (2121) in a sliding manner, the lower end of the locking pin (2121) is obliquely arranged, the inclined face of the locking pin faces the opening of the sliding groove (211), the upper end face of the locking pin (2121) is fixedly connected with a compression spring (2122), one end, far away from the locking pin (2121), of the compression spring (2122) is fixedly connected with the upper groove wall of the pin groove (212), when the mounting block (22) slides to be attached to the groove bottom wall of the sliding groove (211), the locking pin (2121) is inserted into the locking groove (222) under the pushing of the compression spring (2122), and locking the mounting block (22) on the fixing block (21).
7. The power distribution cabinet with the temperature detection function according to claim 6, characterized in that: the locking pin (2121) side wall fixedly connected with lifter (2123), it presses groove (213) to open on fixed block (21), press groove (213) sliding connection has and press piece (2131), press piece (2131) with lifter (2123) laminating, press piece (2131) with the binding face of lifter (2123) all inclines to set up and the acute angle that binding face and horizontal plane formed faces the opening direction of pressing groove (213).
8. The power distribution cabinet with the temperature detection function according to claim 7, characterized in that: one end, far away from the fixed block (21), of the pressing block (2131) is fixedly connected with a limiting convex block (2132), and a return spring (2133) is connected between the limiting convex block (2132) and the fixed block (21).
9. The power distribution cabinet with the temperature detection function according to claim 8, characterized in that: two opposite clamping half rings (2211) are arranged in the mounting groove (221), the outer side walls of the clamping half rings (2211) are fixedly connected with sliding rods (2212), the mounting block (22) is provided with clamping grooves for the sliding rods (2212) to slide, the length of each sliding rod (2212) is larger than that of each clamping groove, one end of each sliding rod (2212) extending out of each clamping groove is obliquely arranged, and the inclined plane faces towards the fixing block (21); when the mounting block (22) is placed in the sliding groove (211), the sliding rod (2212) moves towards the inside of the clamping groove, and the two clamping half rings (2211) form a clamping ring for clamping the temperature detection device.
10. The power distribution cabinet with the temperature detection function according to claim 9, characterized in that: a tension spring is connected between the two clamping half rings (2211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020099849.XU CN211295786U (en) | 2020-01-17 | 2020-01-17 | Switch board with temperature detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020099849.XU CN211295786U (en) | 2020-01-17 | 2020-01-17 | Switch board with temperature detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211295786U true CN211295786U (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020099849.XU Active CN211295786U (en) | 2020-01-17 | 2020-01-17 | Switch board with temperature detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211295786U (en) |
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2020
- 2020-01-17 CN CN202020099849.XU patent/CN211295786U/en active Active
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