CN213484200U - Alternating current three-phase intelligent power distribution cabinet - Google Patents
Alternating current three-phase intelligent power distribution cabinet Download PDFInfo
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- CN213484200U CN213484200U CN202022392392.4U CN202022392392U CN213484200U CN 213484200 U CN213484200 U CN 213484200U CN 202022392392 U CN202022392392 U CN 202022392392U CN 213484200 U CN213484200 U CN 213484200U
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- 238000009423 ventilation Methods 0.000 claims abstract description 17
- 238000007791 dehumidification Methods 0.000 claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims abstract description 4
- 230000005355 Hall effect Effects 0.000 claims description 15
- 239000003973 paint Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 3
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The utility model discloses an alternating current three-phase intelligent power distribution cabinet, which comprises a power distribution cabinet body, wherein a cabinet door is arranged on the front surface of the power distribution cabinet body, the cabinet door is fixed on the power distribution cabinet through a hinge and a door lock, a vent is arranged at the top end of the side surface of the power distribution cabinet, an integrally formed dust screen is arranged in the vent, a temperature and humidity sensor and a control box are arranged in the power distribution cabinet, a base is fixed below the power distribution cabinet through welding, and a dehumidification ventilation device is arranged in the base; the utility model discloses in, prevent to inhale debris in the switch board through the dust screen, dehumidification ventilation unit through in the base dehumidifies the air that gets into the base, and blow in the switch board with the dry air after the dehumidification, accelerate the switch board heat dissipation, to the equipment cooling in the switch board, protective apparatus safety, through temperature and humidity in the temperature and humidity sensor control switch board, and with signal transmission for the controller, the controller passes through the WIFI module and communicates with total control system, realize remote monitoring, intelligent degree has been improved.
Description
Technical Field
The utility model relates to an electric power distribution technical field specifically is an alternating current three-phase intelligent power distribution cabinet.
Background
The power distribution cabinets are a general name of a motor control center, are used in occasions with dispersed loads and less loops, distribute electric energy of a certain circuit of upper-level power distribution equipment to nearby loads, and provide protection, monitoring and control for the loads. Along with the development of society, the demand of industrial electricity and civil electricity is increased, meanwhile, the requirements of people on the safety and reliability of a power supply are higher and higher, a power distribution cabinet is installed outdoors and can be blown by wind and rain, in the daily use process, the power distribution cabinet and electrical elements inside the power distribution cabinet are often damaged due to the change of weather, the operation of the electrical elements in the power distribution cabinet can generate heat, the heat dissipation of the electrical elements in the power distribution cabinet is seriously influenced due to insufficient ventilation of the existing power distribution cabinet, and the moisture of air can damp the electrical elements in the power distribution cabinet in rainy days, so that metal facilities in the power distribution cabinet are damped and rusted, a circuit short circuit is caused, the normal power supply is influenced, and dangerous accidents are caused; existing forceful electric power equipment also has weak current equipment in the switch board, and forceful electric power equipment and weak current equipment department are in same space, and weak current signal is disturbed by the forceful electric power signal easily, and all equipment and cable departments are unfavorable for the overhaul of the equipments in same space moreover, influence maintenance efficiency.
Therefore, the inventor provides the alternating-current three-phase intelligent power distribution cabinet by integrating various factors.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an alternating current three-phase intelligent power distribution cabinet to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an alternating-current three-phase intelligent power distribution cabinet comprises a power distribution cabinet body, wherein a cabinet door is arranged on the front face of the power distribution cabinet body, the cabinet door is fixed on the power distribution cabinet body through a hinge and a door lock, a vent is arranged at the top end of the side face of the power distribution cabinet, an integrally formed dustproof net is arranged in the vent, a temperature and humidity sensor and a control box are arranged in the power distribution cabinet, a base is fixed below the power distribution cabinet through welding, and a dehumidification ventilation device is arranged in the base; the utility model discloses in, prevent to inhale debris in the switch board through the dust screen, dehumidification ventilation unit through in the base dehumidifies the air that gets into the base, and blow in the switch board with the dry air after the dehumidification, accelerate the switch board heat dissipation, to the equipment cooling in the switch board, protective apparatus safety, through temperature and humidity in the temperature and humidity sensor control switch board, and with signal transmission for the controller, the controller passes through the WIFI module and communicates with total control system, realize remote monitoring, intelligent degree has been improved.
As a further aspect of the present invention: the base is hollow, ventilation openings are formed in the side face and the top face of the base, the dehumidifying and ventilating device comprises a dehumidifier and a heat dissipation fan, the dehumidifier is fixed on the bottom face of the inner wall of the base through bolts, the dehumidifier is close to the ventilation openings in the side wall of the base, the heat dissipation fan is fixed on the inner wall of the base through bolts and is arranged on the inner side of the dehumidifier, and the power distribution cabinet is arranged above the base and covers all the ventilation openings in the top face of the base; the dehumidification ventilation device is used for cooling equipment in the power distribution cabinet, so that the humidity and the temperature in the power distribution cabinet are appropriate, and the safety of the equipment is protected.
As a further aspect of the present invention: the surface of the power distribution cabinet is coated with a layer of anticorrosive paint, the power distribution cabinet comprises a strong current box, a weak current box and a control box, the strong current box, the weak current box and the control box are separated by a shielding body, a controller is arranged in the control box, the controller comprises a main control chip, a WIFI module, a switch control module, a sensor module and a current acquisition module, and the main control chip is respectively connected with the WIFI module, the switch control module, the sensor module and the current acquisition module; the shielding body shields signals, so that signal interference is prevented, and accuracy is improved.
As a further aspect of the present invention: the switch control module comprises a switch K1, the switch K1 is connected with a main control chip U1 through a switch control circuit, the switch control circuit comprises a resistor R8, a resistor R9 and a triode Q1, and one end of the resistor R8 is connected with a PA6 pin of the main control chip U1; the other end of the resistor R8 is connected with one end of a resistor R9 and the base electrode of a triode Q1; the other end of the resistor R9 is connected with the emitter of the triode Q1 and is grounded; the collector of the triode Q1 is connected with pin 1 of the switch K1; pins 2 and 3 of the switch K1 are grounded; the normally closed contact of the switch K1 is connected with the power supply.
As a further aspect of the present invention: the WIFI module comprises a WIFI chip U3, and a TXD pin of the chip U3 is connected with a PA10 pin of a master control chip U1; the RXD pin of the chip U3 is connected with the PA9 pin of the main control chip U1; the VCC pin of the chip U3 is connected with a power supply; the GND pin of the chip U3 is grounded, wherein the model of the chip U3 is SKW 93A.
As a further aspect of the present invention: the sensor module comprises a temperature and humidity sensor U2, the temperature and humidity sensor is fixed on the top surface of the inner wall of the strong power box through bolts, the temperature and humidity sensor is connected with a main control chip U1 through a sensor circuit, the sensor circuit comprises a resistor R10, and one end of the resistor R10 is connected with a PA5 pin of the U1 and a DOUT pin of the U2; the other end of the resistor R10 is connected with a power supply; the VCC pin of U2 is connected with power supply; the GND pin of the U2 is grounded, wherein the model of the temperature and humidity sensor U2 is DHT 11.
As a further aspect of the present invention: the current acquisition module comprises a Hall effect sensor P1, the Hall effect sensor P1 is connected with a main control chip U1 through a current acquisition circuit, the current acquisition circuit comprises a resistor R1 to a resistor R7, an operational amplifier P2, an operational amplifier P3, a diode D1 and a diode D2 which are sequentially numbered, and one end of the resistor R1 is connected with a pin 2 of the Hall effect sensor P1 and one end of the resistor R2; the other end of the resistor R1 is grounded; pin 1 of hall effect sensor P1 is grounded; the 3-pin power supply of the Hall effect sensor P1; the other end of the resistor R2 is connected with one end of the resistor R4 and the cathode of the diode D1 and the reverse end of the operational amplifier P2; the other end of the resistor R4 is connected with the anode of the diode D2 and one end of the resistor R5; the cathode of the diode D2 is connected with the anode of the diode D1 and the output end of the operational amplifier P2; the in-phase end of the operational amplifier P2 is connected with one end of a resistor R3; the other end of the resistor R3 is grounded; the other end of the resistor R5 is connected with one end of the resistor R6 and the reverse end of the operational amplifier P3; the other end of the resistor R6 is connected with the output end of the operational amplifier P3; one end of the resistor R7 is connected with the non-inverting end of the operational amplifier P3; the other end of the resistor R7 is grounded; the output end of the operational amplifier P3 is connected with a PA7 pin of the main control chip U1, wherein the models of the operational amplifier P2 and the operational amplifier P3 are LM 358.
Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:
1. the utility model provides an AC three-phase intelligent power distribution cabinet, the structure sets up ingeniously and arranges rationally, the utility model discloses in, prevent to inhale debris in the switch board through the dust screen, dehumidify the air that gets into the base through the dehumidification ventilation unit in the base, and blow in the switch board with the dry air after the dehumidification, accelerate the switch board heat dissipation, to the equipment cooling in the switch board, the protection equipment safety, through temperature and humidity in the temperature and humidity sensor monitoring switch board, and transmit the signal to the controller, the controller passes through the WIFI module and communicates with total control system, realize remote monitoring, the intelligent degree has been improved;
2. the utility model discloses further design dehumidification ventilation unit, the dehumidifier is located the wind gap department, gets rid of the moisture in the air through the dehumidifier to blow dry air into the switch board through radiator fan, cool down the equipment in the switch board, guaranteed the stable operation of electrical equipment, ensured the security of equipment, prolonged electrical equipment's life;
3. the utility model further designs the cabinet body of the power distribution cabinet, the space in the power distribution cabinet is divided by the shielding body, and strong current equipment and weak current equipment are separated, so that the interference of strong current electromagnetic signals to the weak current is reduced, if the strong current equipment is damaged, the weak current equipment can not be affected, and the loss caused by equipment failure is reduced;
4. the utility model discloses further designed the controller, the controller passes through the humiture in the sensor detection switch board, through electric elements's in the current acquisition module monitoring block terminal operating condition, if current information is unusual, gives total control system with unusual information transmission through the WIFI module to break off the switch through switching on and switching off control module, protective apparatus safety.
Drawings
Fig. 1 is a schematic structural diagram of an ac three-phase intelligent power distribution cabinet.
Fig. 2 is a sectional view of an ac three-phase intelligent power distribution cabinet.
Fig. 3 is a block diagram of an ac three-phase intelligent power distribution cabinet.
Fig. 4 is a circuit diagram of a controller in an ac three-phase intelligent power distribution cabinet.
In the figure: 1. a base; 11. a dehumidifier; 12. a heat radiation fan; 2. a power distribution cabinet body; 21. a strong electric box; 22. a light current box; 23. a control box; 231. a main control chip; 232. a WIFI module; 233. a switch control module; 234. a sensor module; 2341. a temperature and humidity sensor; 235. a current collection module; 24. a cabinet door; 241. A door handle; 242. a door lock; 243. and (7) a hinge.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-4, an ac three-phase intelligent power distribution cabinet comprises a base 1 and a cabinet body 2 of the power distribution cabinet, wherein the base 1 comprises a base 1 body and a dehumidifying and ventilating device, the dehumidifying and ventilating device comprises a dehumidifier 11 and a heat dissipation fan 12, the base 1 is hollow, ventilation openings are formed in the side surface and the top surface of the base 1, a dust screen formed integrally is arranged in the ventilation openings, the dehumidifier 11 is fixed with the bottom surface of the inner wall of the base 1 through bolts, and the heat dissipation fan 12 is fixed with the inner wall of the base 1 through bolts;
the power distribution cabinet body 2 is fixed to the top surface of the base 1 through welding, a layer of anticorrosive paint is coated on the surface of the power distribution cabinet, a vent is formed in the side wall of the power distribution cabinet body 2, the power distribution cabinet body 2 comprises the power distribution cabinet body 2 and a cabinet door 24, the interior of the power distribution cabinet body 2 is divided into a strong electric box 21, a weak electric box 22 and a control box 23, the control box 23 comprises a controller, the controller comprises a main control chip 231, a WIFI module 232, a switch control module 233, a sensor module 234 and a current acquisition module 235, the sensor module 234 comprises a temperature and humidity sensor 2341, the main control chip 231 is respectively connected with the WIFI module 232, the switch control module 233, the sensor module 234 and the current acquisition module 235, and the temperature and humidity sensor 2341 is fixed to the top surface of the inner;
the switch control module 233 comprises a switch K1, the switch K1 is connected with a main control chip U1 through a switch control circuit, the switch control circuit comprises a resistor R8, a resistor R9 and a triode Q1, and one end of the resistor R8 is connected with a PA6 pin of the main control chip U1; the other end of the resistor R8 is connected with one end of a resistor R9 and the base electrode of a triode Q1; the other end of the resistor R9 is connected with the emitter of the triode Q1 and is grounded; the collector of the triode Q1 is connected with pin 1 of the switch K1; pins 2 and 3 of the switch K1 are grounded; the normally closed contact of the electric switch K1 is connected with a power supply; the WIFI module 232 comprises a WIFI chip U3, and a TXD pin of the chip U3 is connected with a PA10 pin of a master control chip U1; the RXD pin of the chip U3 is connected with the PA9 pin of the main control chip U1; the VCC pin of the chip U3 is connected with a power supply; the GND pin of the chip U3 is grounded, wherein the model of the chip U3 is SKW 93A; the sensor module 234 comprises a temperature and humidity sensor U2, the temperature and humidity sensor 2341 is connected with a main control chip U1 through a sensor circuit, the sensor circuit comprises a resistor R10, and one end of the resistor R10 is connected with a PA5 pin of the U1 and a DOUT pin of the U2; the other end of the resistor R10 is connected with a power supply; the VCC pin of U2 is connected with power supply; the GND pin of the U2 is grounded, wherein the type of the temperature and humidity sensor U2 is DHT 11;
the current acquisition module 235 comprises a hall effect sensor P1, the hall effect sensor P1 is connected with a main control chip U1 through a current acquisition circuit, the current acquisition circuit comprises a resistor R1 to a resistor R7, an operational amplifier P2, an operational amplifier P3, a diode D1 and a diode D2 which are numbered in sequence, and one end of the resistor R1 is connected with a pin 2 of the hall effect sensor P1 and one end of the resistor R2; the other end of the resistor R1 is grounded; pin 1 of hall effect sensor P1 is grounded; the 3-pin power supply of the Hall effect sensor P1; the other end of the resistor R2 is connected with one end of the resistor R4 and the cathode of the diode D1 and the reverse end of the operational amplifier P2; the other end of the resistor R4 is connected with the anode of the diode D2 and one end of the resistor R5; the cathode of the diode D2 is connected with the anode of the diode D1 and the output end of the operational amplifier P2; the in-phase end of the operational amplifier P2 is connected with one end of a resistor R3; the other end of the resistor R3 is grounded; the other end of the resistor R5 is connected with one end of the resistor R6 and the reverse end of the operational amplifier P3; the other end of the resistor R6 is connected with the output end of the operational amplifier P3; one end of the resistor R7 is connected with the non-inverting end of the operational amplifier P3; the other end of the resistor R7 is grounded; the output end of the operational amplifier P3 is connected with a PA7 pin of the main control chip U1, wherein the models of the operational amplifier P2 and the operational amplifier P3 are LM 358;
the cabinet door 24 comprises a cabinet door 24, two door handles 241, two door locks 242 and two hinges 243, the two hinges 243 are fixed to the cabinet body 2 and the cabinet door 24 of the power distribution cabinet through bolts, the door handles 241 are fixed to the surface of the cabinet door 24 through bolts, and the door locks 242 are mounted together with the cabinet body 2 and the cabinet door 24 of the power distribution cabinet through bolts.
The utility model discloses a theory of operation is: in the utility model, the space in the power distribution cabinet is divided by the shielding body, and strong current equipment and weak current equipment are separated, so that the interference of strong current electromagnetic signals to the weak current is reduced, if the strong current equipment is damaged, the weak current equipment can not be affected, and the loss caused by equipment failure is reduced; the dust screen is used for preventing sundries from being sucked into the power distribution cabinet, the dehumidifier 11 is positioned at the air inlet, moisture in the air is removed through the dehumidifier 11, and the dry air is blown into the power distribution cabinet through the cooling fan 12 to cool the equipment in the power distribution cabinet, so that the stable operation of the electrical equipment is ensured, the safety of the equipment is ensured, and the service life of the electrical equipment is prolonged; the controller passes through the humiture in the sensor detection switch board, monitors the operating condition of electrical component in the block terminal through current collection module 235, if current information is unusual, sends unusual information for total control system through WIFI module 232 to break off the switch through switching on and off control module, realize remote monitoring, improved intelligent degree, protected equipment safety.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. The utility model provides an alternating current three-phase intelligent power distribution cabinet, includes the switch board cabinet body (2), its characterized in that, it has cabinet door (24) to open on the front of the switch board cabinet body (2), cabinet door (24) are fixed on the switch board through hinge (243) and lock (242), open the top of switch board side has the vent, there is integrated into one piece's dust screen in the vent, is equipped with temperature and humidity sensor (2341) and control box (23) in the switch board, the switch board below is fixed with base (1) through the welding, be equipped with dehumidification ventilation unit in base (1).
2. An AC three-phase intelligent power distribution cabinet according to claim 1, characterized in that the base (1) is hollow, the side and top surfaces of the base (1) are provided with ventilation openings, the dehumidifying and ventilating device comprises a dehumidifier (11) and a heat dissipation fan (12), the dehumidifier (11) is fixed on the bottom surface of the inner wall of the base (1) through bolts, the dehumidifier (11) is close to the ventilation opening on the side wall of the base (1), the heat dissipation fan (12) is fixed on the inner wall of the base (1) through bolts, the heat dissipation fan (12) is arranged inside the dehumidifier (11), and the power distribution cabinet is arranged above the base (1) and covers all the ventilation openings on the top surface of the base (1).
3. The alternating-current three-phase intelligent power distribution cabinet according to claim 2, wherein a layer of anticorrosive paint is coated on the surface of the power distribution cabinet, a strong current box (21), a weak current box (22) and a control box (23) are included in the power distribution cabinet, the strong current box (21), the weak current box (22) and the control box (23) are separated by a shielding body, a controller is arranged in the control box (23), the controller includes a main control chip (231), a WIFI module (232), a switch control module (233), a sensor module (234) and a current collection module (235), and the main control chip (231) is respectively connected with the WIFI module (232), the switch control module (233), the sensor module (234) and the current collection module (235).
4. The AC three-phase intelligent power distribution cabinet according to claim 3, wherein the switch control module (233) comprises a switch K1, the switch K1 is connected with the master control chip U1 through a switch control circuit, the switch control circuit comprises a resistor R8, a resistor R9 and a triode Q1, and one end of the resistor R8 is connected with a PA6 pin of the master control chip U1; the other end of the resistor R8 is connected with one end of a resistor R9 and the base electrode of a triode Q1; the other end of the resistor R9 is connected with the emitter of the triode Q1 and is grounded; the collector of the triode Q1 is connected with pin 1 of the switch K1; pins 2 and 3 of the switch K1 are grounded; the normally closed contact of the switch K1 is connected with the power supply.
5. The AC three-phase intelligent power distribution cabinet according to claim 3, characterized in that the WIFI module (232) comprises a WIFI chip U3, and the TXD pin of the chip U3 is connected with the PA10 pin of the master control chip U1; the RXD pin of the chip U3 is connected with the PA9 pin of the main control chip U1; the VCC pin of the chip U3 is connected with a power supply; the GND pin of the chip U3 is grounded, wherein the model of the chip U3 is SKW 93A.
6. The AC three-phase intelligent power distribution cabinet according to claim 3, wherein the sensor module (234) comprises a temperature and humidity sensor U2, the temperature and humidity sensor (2341) is fixed on the top surface of the inner wall of the strong power box (21) through bolts, the temperature and humidity sensor (2341) is connected with the main control chip U1 through a sensor circuit, the sensor circuit comprises a resistor R10, and one end of the resistor R10 is connected with a PA5 pin of U1 and a DOUT pin of U2; the other end of the resistor R10 is connected with a power supply; the VCC pin of U2 is connected with power supply; the GND pin of the U2 is grounded, wherein the model of the temperature and humidity sensor U2 is DHT 11.
7. The alternating-current three-phase intelligent power distribution cabinet according to claim 3, wherein the current collection module (235) comprises a Hall effect sensor P1, the Hall effect sensor P1 is connected with a main control chip U1 through a current collection circuit, the current collection circuit comprises a resistor R1-resistor R7, an operational amplifier P2, an operational amplifier P3, a diode D1 and a diode D2 which are numbered sequentially, and one end of the resistor R1 is connected with a pin 2 of the Hall effect sensor P1 and one end of a resistor R2; the other end of the resistor R1 is grounded; pin 1 of hall effect sensor P1 is grounded; the 3-pin power supply of the Hall effect sensor P1; the other end of the resistor R2 is connected with one end of the resistor R4 and the cathode of the diode D1 and the reverse end of the operational amplifier P2; the other end of the resistor R4 is connected with the anode of the diode D2 and one end of the resistor R5; the cathode of the diode D2 is connected with the anode of the diode D1 and the output end of the operational amplifier P2; the in-phase end of the operational amplifier P2 is connected with one end of a resistor R3; the other end of the resistor R3 is grounded; the other end of the resistor R5 is connected with one end of the resistor R6 and the reverse end of the operational amplifier P3; the other end of the resistor R6 is connected with the output end of the operational amplifier P3; one end of the resistor R7 is connected with the non-inverting end of the operational amplifier P3; the other end of the resistor R7 is grounded; the output end of the operational amplifier P3 is connected with a PA7 pin of the main control chip U1, wherein the models of the operational amplifier P2 and the operational amplifier P3 are LM 358.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022392392.4U CN213484200U (en) | 2020-10-23 | 2020-10-23 | Alternating current three-phase intelligent power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022392392.4U CN213484200U (en) | 2020-10-23 | 2020-10-23 | Alternating current three-phase intelligent power distribution cabinet |
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| Publication Number | Publication Date |
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| CN213484200U true CN213484200U (en) | 2021-06-18 |
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| CN202022392392.4U Active CN213484200U (en) | 2020-10-23 | 2020-10-23 | Alternating current three-phase intelligent power distribution cabinet |
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| CN (1) | CN213484200U (en) |
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- 2020-10-23 CN CN202022392392.4U patent/CN213484200U/en active Active
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