CN216929301U - Block terminal is synthesized to integral type low pressure - Google Patents
Block terminal is synthesized to integral type low pressure Download PDFInfo
- Publication number
- CN216929301U CN216929301U CN202122729658.4U CN202122729658U CN216929301U CN 216929301 U CN216929301 U CN 216929301U CN 202122729658 U CN202122729658 U CN 202122729658U CN 216929301 U CN216929301 U CN 216929301U
- Authority
- CN
- China
- Prior art keywords
- fuse
- distribution box
- breaker
- reactive compensation
- current transformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses an integrated low-voltage comprehensive distribution box which comprises a distribution box, wherein a line incoming circuit breaker, a reactive compensation unit, a metering unit, a switch control unit and a line outgoing unit are arranged in the distribution box; the inlet wire end of the inlet wire breaker is connected with a power inlet wire, and the reactive compensation unit, the outlet wire unit and the metering unit are all connected with the outlet wire end of the inlet wire breaker; the switch control unit is powered by a power supply incoming line and is used for controlling an incoming line breaker; the utility model has the advantages of simple structure, small volume, convenient installation and maintenance and cost reduction.
Description
Technical Field
The utility model belongs to the technical field of low-voltage power distribution, and particularly relates to an integrated low-voltage comprehensive distribution box.
Background
The low-voltage distribution is characterized in that switch equipment, a measuring instrument, a protective electrical appliance and auxiliary equipment are assembled in a closed or semi-closed metal cabinet or on a screen, has the functions of electric energy distribution, metering, reactive compensation and the like, is suitable for transformer substations, power plants, industrial and mining enterprises and the like, and takes a distribution system with the alternating current of 50HZ and the rated voltage of 380V as power to carry out electric energy conversion and control of illumination and distribution. In prior art, generally can divide into different boxes, the cabinet body or solitary bin according to the function, wherein equipment such as cubical switchboard in the box similar high voltage distribution room, for example often adopt to set up solitary batch meter in the trade at present, carry out the low pressure inlet wire measurement, so both extravagant cost, extravagant installation space again. When setting up a comprehensive low voltage distribution box, need be in the same place the box combination of different functions, not only structure is complicated, bulky, with high costs, and the installation is maintained inconveniently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems of complex structure, large volume, high cost and inconvenient installation and maintenance of the distribution box in the prior art, and provides an integrated low-voltage comprehensive distribution box which has the advantages of simple structure, small volume, convenient installation and maintenance and cost reduction.
In order to realize the purpose, the utility model adopts the following technical scheme:
an integrated low-voltage comprehensive distribution box comprises a distribution box, wherein a line incoming breaker, a reactive compensation unit, a metering unit, a switch control unit and a line outgoing unit are arranged in the distribution box; the inlet wire end of the inlet wire breaker is connected with a power inlet wire, and the reactive compensation unit, the outlet wire unit and the metering unit are all connected with the outlet wire end of the inlet wire breaker; the switch control unit is powered by a power supply inlet wire and is used for controlling the inlet wire breaker.
The utility model has the advantages that the incoming line breaker has the function of switching on and off the incoming line power supply, the reactive compensation unit has the reactive compensation function, the metering unit has the function of metering the incoming lines of low-voltage lines, the switch control loop unit has the function of controlling the incoming line breaker, and the outgoing line unit has the function of connecting loads.
In order to further limit the technical scheme of the utility model, the reactive compensation unit comprises a first current transformer, a reactive compensation controller, a first fuse, a second fuse, a switching indicator lamp, an intelligent capacitor and a surge protector; the utility model discloses a surge protector, including inlet wire circuit breaker, leading-out terminal, reactive compensation controller, intelligent capacitor, first current transformer, second fuse and switching pilot lamp, inlet wire circuit breaker's leading-out terminal is connected with reactive compensation controller and intelligent capacitor respectively, reactive compensation controller is connected with intelligent capacitor, be equipped with first fuse on inlet wire circuit breaker and reactive compensation controller's the way of propping up, set up first current transformer on intelligent capacitor and inlet wire circuit breaker's the way of propping up, first current transformer and reactive compensation controller are connected, connect between inlet wire circuit breaker's leading-out terminal and intelligent capacitor after second fuse and the switching pilot lamp establish ties, surge protector's incoming line end and first current transformer and reactive compensation controller's branch connection, surge protector's earthing terminal ground connection. The intelligent capacitor has the reactive compensation function, the first current transformer samples current to provide a current signal for the reactive compensation controller, and the intelligent capacitor executes switching operation according to the command of the reactive compensation controller to realize the compensation function; during specific implementation, the reactive compensation controller is installed and wired according to specifications of specific selected models, wherein the first current transformer is connected with a current interface corresponding to the reactive compensation controller, the wire outlet end of the incoming line breaker is connected with a voltage interface corresponding to the reactive compensation controller, so that the reactive compensation controller samples voltage and current in a line, logic calculation is performed inside the reactive compensation controller, an action signal is input to the intelligent capacitor through an online interface communication line, and the intelligent capacitor executes switching operation according to a command of the reactive compensation controller to realize a compensation function.
The technical scheme of the utility model is further limited by the utility model, which further comprises a third fuse, wherein one end of the third fuse is connected with a wire outlet end of the incoming line breaker, and the other end of the third fuse is connected with the metering unit. The third fuse is arranged in the metering device, so that overcurrent protection can be provided for the metering unit.
In a further limitation of the technical scheme of the utility model, the metering unit comprises a multifunctional meter and a second current transformer, the multifunctional meter is connected with the third fuse, a second current transformer is arranged on a branch of the multifunctional meter and the third fuse, and the second current transformer is connected with the multifunctional meter. The second current transformer transmits the acquired current data to the multi-function meter for displaying, and completes the current metering of the power supply inlet wire; the multifunctional meter is generally provided with a communication interface, and when the multifunctional meter is implemented, the current data received by the multifunctional meter can be transmitted to a remote terminal through a corresponding communication network to realize remote monitoring, for example, a composite control platform of a power supply company can be used as the remote terminal.
In order to further limit the technical scheme of the utility model, the switch control unit comprises a fourth fuse, an electric operation mechanism, a closing indicator lamp, a separating indicator lamp, a closing button and a separating button; one end of the fourth fuse is connected with the incoming line end of the incoming line circuit breaker, the other end of the fourth fuse is respectively connected with one end of the closing indicator lamp and one end of the opening indicator lamp, the incoming line circuit breaker is provided with an auxiliary contact, a normally open auxiliary contact in the auxiliary contact is connected with the other end of the closing indicator lamp, and a normally closed contact in the auxiliary contact is connected with the other end of the opening indicator lamp; the electric operating mechanism is installed on the incoming line breaker, the power incoming line supplies power to the electric operating mechanism, and two ends of the closing button and two ends of the opening button are both connected with the electric operating mechanism to form a manual closing loop and a manual opening loop respectively. The switch control unit is internally provided with the electric operating mechanism which has the effect of electrically controlling the switching-on and switching-off of the incoming line breaker, wherein the switching-on button and the switching-off button are used for manually controlling the switching-on and switching-off states of the electric operating mechanism so as to control the switching-off and switching-on of the incoming line breaker, and the switching-on indicating lamp and the switching-off indicating lamp can more visually display the switching-on and switching-off states of the incoming line breaker; the electric operating mechanism generally has a remote control function, and when the electric operating mechanism is implemented, data of the electric operating mechanism can be transmitted to a remote terminal through a corresponding communication network, and the remote terminal can also be used for sending an instruction to realize remote control on the electric operating mechanism, for example, a composite control platform of a power supply company can be used as the remote terminal.
In order to further limit the technical scheme of the utility model, the switch control unit further comprises a low-voltage line protector and a third current transformer; the low-voltage line protector is connected with the other end of the third fuse, a third current transformer is arranged on a branch of the low-voltage line protector and the third fuse, the third current transformer is connected with the low-voltage line protector, and the low-voltage line protector is connected with the electric operating mechanism to form a closing operation loop and an opening operation loop. The switch control unit is further provided with the low-voltage line protector connected with the electric operating mechanism, so that the on-off state of the electric operating mechanism can be better controlled when low voltage and overvoltage occur in a circuit, and the entry of the incoming line breaker can be better controlled; the third current transformer samples current and provides a current signal for the low-voltage line protector; the low-voltage line protector is generally provided with a communication interface, and when the low-voltage line protector is implemented, data of the low-voltage line protector can be transmitted to a remote terminal through a corresponding communication network, and the remote terminal can also be used for sending an instruction to realize remote monitoring, for example, a composite control platform of a power supply company can be used as the remote terminal.
In a further limitation of the technical scheme of the utility model, the outlet unit comprises a plurality of outlet circuit breakers, and the inlet end of each outlet circuit breaker is connected with the outlet end of the inlet circuit breaker. The outgoing line circuit breakers have the function of switching on and off loads, and the outgoing line ends of the outgoing line circuit breakers can be connected with and control different types of loads.
The technical scheme of the utility model is further limited, a temperature control unit is also arranged in the distribution box, and the temperature control unit comprises a temperature sensor, a temperature controller, a fifth fuse, a sixth fuse, a temperature control switch and a fan; the power inlet wire supplies power for temperature controller, and fifth fuse and temperature detect switch set up on temperature controller's power supply loop, and temperature sensor and fan all are connected with temperature controller, and the sixth fuse sets up on fan and temperature controller's the way, and the fan is fixed to be set up on the inner wall of block terminal. The temperature control loop is arranged for controlling the temperature in the distribution box, wherein after the temperature controller is subjected to parameter setting, the temperature sensor acquires the temperature in the distribution box and transmits the temperature into the temperature controller, when the temperature in the distribution box is overhigh, the temperature controller can control the fans to start to cool the distribution box according to the set parameters, and the number of the fans can be set according to the size of the distribution box during specific implementation.
The utility model has the beneficial effects that: 1. the utility model has the advantages of simple structure, small volume, cost saving and convenient installation and maintenance.
2. The utility model integrates the units with the functions of wire inlet, compensation, metering, wire outlet and protection into a box body, the function layout is compact, and in addition, each functional unit is modularized to form an integrated distribution box, the functions are comprehensive, and the operation is safe and reliable.
Drawings
Fig. 1 is a schematic diagram of a reactive compensation unit according to the present invention.
FIG. 2 is a schematic view of a metering unit of the present invention.
FIG. 3 is a schematic diagram of a switch control unit according to the present invention.
FIG. 4 is a schematic diagram of a temperature control unit according to the present invention.
Detailed Description
The utility model will be described in further detail with reference to the following figures and specific embodiments.
An integrated low-voltage comprehensive distribution box comprises a distribution box, wherein a line incoming breaker, a reactive compensation unit, a metering unit, a switch control unit and a line outgoing unit are arranged in the distribution box; the inlet wire end of the inlet wire breaker is connected with a power inlet wire, and the reactive compensation unit, the outlet wire unit and the metering unit are all connected with the outlet wire end of the inlet wire breaker; the switch control unit is powered by a power supply inlet wire and is used for controlling the inlet wire breaker.
In this embodiment, the power inlet wire is a three-phase four-wire distribution line, which includes three live wires and a zero wire; the outlet unit comprises a plurality of outlet circuit breakers, and the wire inlet end of each outlet circuit breaker is connected with the wire outlet end of each inlet circuit breaker; the block terminal adopts the box that the material is corrosion resistant plate, and thickness is 2.5mm and above.
As shown in fig. 1, the reactive compensation unit includes a first current transformer 3TAa, a reactive compensation controller KZQ, a first fuse 5FU-7FU, a second fuse 8FU, a switching indicator lamp 1A, an intelligent capacitor DR1 and a surge protector SPD; the lead-out terminal of the incoming line breaker QF is respectively connected with a reactive compensation controller KZQ and an intelligent capacitor DR1, the reactive compensation controller KZQ is connected with an intelligent capacitor DR1, a first fuse 5FU-7FU is arranged on a branch of the incoming line breaker QF and the reactive compensation controller KZQ, a first current transformer 3TAa is arranged on a branch of the intelligent capacitor DR1 and the incoming line breaker QF, the first current transformer 3TAa is connected with the reactive compensation controller KZQ, a second fuse 8FU and a switching indicator lamp 1A are connected in series and then connected between the lead-out terminal of the incoming line breaker QF and the intelligent capacitor DR1, the lead-in terminal of a surge protector SPD is connected with a branch of the first current transformer 3TAa and the reactive compensation controller KZQ, and the grounding terminal of the surge protector SPD is grounded. The first current transformer 3TAa is connected with a corresponding phase current interface on the reactive compensation controller KZQ, the switching indicator lamp 1A is connected with an indicator lamp interface of the intelligent capacitor DR1, and the grounding end of the intelligent capacitor DR1 is grounded. In specific implementation, the reactive compensation controller KZQ and the intelligent capacitor DR1 are connected through respective online interfaces, i.e., RS485 communication interfaces.
As shown in fig. 2, the present embodiment further includes a third fuse 2FU-4FU, one end of the third fuse 2FU-4FU is connected to the outgoing line end of the incoming line breaker QF, and the other end of the third fuse 2FU-4FU is connected to the metering unit; the metering unit comprises a multifunctional meter ORT and a second current transformer 1TAa-1TAc, the multifunctional meter ORT is connected with a third fuse 2FU-4FU, a branch of the multifunctional meter ORT and the third fuse 2FU-4FU is provided with the second current transformer 1TAa-1TAc, and the second current transformer 1TAa-1TAc is connected with the multifunctional meter ORT. And the second current transformer 1TAa-1TAc is connected with a corresponding phase current interface on the multifunctional meter ORT.
As shown in fig. 3, the switch control unit includes a fourth fuse 1FU, an electric manipulation mechanism MT, a closing indicator GD, a separating indicator RD, a closing button SBG, and a separating button SBR; one end of the fourth fuse 1FU is connected with an incoming line end of an incoming line breaker QF, the other end of the fourth fuse 1FU is respectively connected with one end of a closing indicator lamp GD and one end of a separating indicator lamp RD, the incoming line breaker QF is provided with an auxiliary contact, a normally open auxiliary contact in the auxiliary contact is connected with the other end of the closing indicator lamp GD, and a normally closed contact in the auxiliary contact is connected with the other end of the separating indicator lamp RD; the electric operating mechanism MT is installed on the incoming line breaker QF, the power incoming line supplies power to the electric operating mechanism MT, and the two ends of the closing button SBG and the two ends of the opening button SBR are connected with the electric operating mechanism MT to respectively form a manual closing loop and a manual opening loop. The P1 interface of the electric manipulation mechanism MT is connected with a live wire in a power supply incoming line, and the P2 interface is connected with a zero line of the power supply incoming line so as to supply power to the electric manipulation mechanism MT through the power supply incoming line; one end of the closing button SBG is connected with an interface S4 of the electric manipulation mechanism MT, the other end of the closing button SBG is connected with an interface S1 of the electric manipulation mechanism MT, one end of the opening button SBR is connected with an interface S2 of the electric manipulation mechanism MT, and the other end of the opening button SBR is connected with an interface S1 of the electric manipulation mechanism MT.
As shown in fig. 2 and 3, the switching control unit further comprises a low-voltage line protector ALP220 and a third current transformer 2TAa-2 TAc; the low-voltage line protector ALP220 is connected with the other end of the third fuse 2FU-4FU, a branch of the low-voltage line protector ALP220 and the third fuse 2FU-4FU is provided with a third current transformer 2TAa-2TAC, the third current transformer 2TAa-2TAC is connected with the low-voltage line protector ALP220, and the low-voltage line protector ALP220 is connected with the electric operating mechanism MT to form a closing operation loop and a separating operation loop. The third current transformer 2TAa-2TAc is connected with a corresponding phase current interface on the low-voltage line protector ALP 220; the interface 10 of the low-voltage line protector ALP220 is connected to the interface S2 of the electric actuator MT, the interface 9 of the low-voltage line protector ALP220 is connected to the interface S1 of the electric actuator MT, the interface 8 of the low-voltage line protector ALP220 is connected to the interface S4 of the electric actuator MT, and the interface 7 of the low-voltage line protector ALP220 is connected to the interface S1 of the electric actuator MT.
As shown in fig. 4, a temperature control unit is further arranged in the distribution box, and the temperature control unit comprises a temperature sensor T, a temperature controller WK-JH, a fifth fuse 9FU, a sixth fuse 10FU, a temperature control switch WKB and a fan M; the power supply incoming line supplies power to the temperature controller WK-JH, the fifth fuse 9FU and the temperature control switch WKB are arranged on a power supply loop of the temperature controller WK-JH, the temperature sensor T and the fan M are both connected with the temperature controller WK-JH, the sixth fuse 10FU is arranged on a branch of the fan M and the temperature controller WK-JH, and the fan M is fixedly arranged on the inner wall of the distribution box. The interface 6 of the temperature controller WK-JH is connected with a live wire in a power supply incoming line, the temperature control switch WKB and the fifth fuse 9FU are arranged on a branch of the temperature controller WK-JH and the live wire, the interface 5 of the temperature controller WK-JH is connected with a zero line in the power supply incoming line, the interface 7 and the interface 8 of the temperature controller WK-JH are connected with the temperature sensor T, the interface 4 and the interface 3 of the temperature controller WK-JH are connected with the fan M, and the sixth fuse 10FU is arranged on the branch of the interface 4 and the fan M.
Claims (8)
1. The utility model provides a block terminal is synthesized to integral type low pressure which characterized in that: the intelligent power distribution box comprises a power distribution box, wherein an incoming line breaker, a reactive compensation unit, a metering unit, a switch control unit and an outgoing line unit are arranged in the power distribution box;
the inlet wire end of the inlet wire breaker is connected with a power inlet wire, and the reactive compensation unit, the outlet wire unit and the metering unit are all connected with the outlet wire end of the inlet wire breaker;
the switch control unit is powered by a power supply incoming line and is used for controlling an incoming line breaker.
2. The integrated low-voltage comprehensive distribution box according to claim 1, characterized in that: the reactive compensation unit comprises a first current transformer, a reactive compensation controller, a first fuse, a second fuse, a switching indicator lamp, an intelligent capacitor and a surge protector;
the leading-out terminal of inlet wire circuit breaker is connected with reactive compensation controller and intelligent capacitor respectively, the reactive compensation controller is connected with intelligent capacitor, be equipped with first fuse on inlet wire circuit breaker and reactive compensation controller's the way, set up first current transformer on intelligent capacitor and inlet wire circuit breaker's the way, first current transformer and reactive compensation controller are connected, connect between inlet wire circuit breaker's leading-out terminal and intelligent capacitor after second fuse and switching pilot lamp establish ties, surge protector's inlet wire end and first current transformer and reactive compensation controller's branch connection, surge protector's earthing terminal ground connection.
3. The integrated low-voltage comprehensive distribution box according to claim 1, characterized in that: the metering device is characterized by further comprising a third fuse, one end of the third fuse is connected with a wire outlet end of the incoming line breaker, and the other end of the third fuse is connected with the metering unit.
4. The integrated low-voltage comprehensive distribution box according to claim 3, wherein: the metering unit comprises a multifunctional meter and a second current transformer, the multifunctional meter is connected with the third fuse, a second current transformer is arranged on a branch of the multifunctional meter and the third fuse, and the second current transformer is connected with the multifunctional meter.
5. The integrated low-voltage comprehensive distribution box according to claim 3, wherein: the switch control unit comprises a fourth fuse, an electric operating mechanism, a closing indicator lamp, an opening indicator lamp, a closing button and an opening button;
one end of the fourth fuse is connected with the incoming line end of the incoming line circuit breaker, the other end of the fourth fuse is respectively connected with one end of the closing indicator lamp and one end of the opening indicator lamp, the incoming line circuit breaker is provided with an auxiliary contact, a normally open auxiliary contact in the auxiliary contact is connected with the other end of the closing indicator lamp, and a normally closed contact in the auxiliary contact is connected with the other end of the opening indicator lamp;
the electric operating mechanism is installed on the incoming line breaker, the power incoming line supplies power to the electric operating mechanism, and the two ends of the closing button and the two ends of the opening button are connected with the electric operating mechanism to form a manual closing loop and a manual opening loop respectively.
6. The integrated low-voltage comprehensive distribution box according to claim 5, wherein: the switch control unit also comprises a low-voltage line protector and a third current transformer;
the low-voltage line protector is connected with the other end of the third fuse, a third current transformer is arranged on a branch of the low-voltage line protector and the third fuse, the third current transformer is connected with the low-voltage line protector, and the low-voltage line protector is connected with the electric operating mechanism to form a closing operation loop and an opening operation loop.
7. The integrated low-voltage comprehensive distribution box according to claim 1, characterized in that: the outlet unit comprises a plurality of outlet circuit breakers, and the wire inlet end of each outlet circuit breaker is connected with the wire outlet end of each inlet circuit breaker.
8. The integrated low-voltage comprehensive distribution box according to claim 1, wherein: a temperature control unit is also arranged in the distribution box and comprises a temperature sensor, a temperature controller, a fifth fuse, a sixth fuse, a temperature control switch and a fan;
the power inlet wire is the temperature controller power supply, and fifth fuse and temperature detect switch set up on temperature controller's power supply loop, and temperature sensor and fan all are connected with temperature controller, and the sixth fuse sets up on fan and temperature controller's the way, and the fan is fixed to be set up on the inner wall of block terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122729658.4U CN216929301U (en) | 2021-11-09 | 2021-11-09 | Block terminal is synthesized to integral type low pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122729658.4U CN216929301U (en) | 2021-11-09 | 2021-11-09 | Block terminal is synthesized to integral type low pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216929301U true CN216929301U (en) | 2022-07-08 |
Family
ID=82249299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122729658.4U Active CN216929301U (en) | 2021-11-09 | 2021-11-09 | Block terminal is synthesized to integral type low pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216929301U (en) |
-
2021
- 2021-11-09 CN CN202122729658.4U patent/CN216929301U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208478943U (en) | A kind of remote control intelligent household distribution box | |
| CN201540676U (en) | Factory power supply integrated automatic training device | |
| CN208571394U (en) | A kind of photovoltaic power generation box-type substation based on intelligent controller | |
| CN109100662A (en) | A kind of Intelligent high-pressure disconnecting switch AC/DC voltage regulating power supply test operation system | |
| CN104135071A (en) | Multi-functional low-voltage intelligent switch | |
| CN2938505Y (en) | Intelligent reactive compensation distribution box | |
| CN101055814B (en) | High voltage vacuum breaker | |
| CN216929301U (en) | Block terminal is synthesized to integral type low pressure | |
| CN103941192A (en) | Energy storage power station test load | |
| CN204760838U (en) | It holds low intelligent combination formula transformer substation of decreasing to have to carry to transfer | |
| CN209981830U (en) | Multiloop remote control block terminal | |
| CN107579520A (en) | A kind of gas-insulated electric supply installation | |
| CN209982078U (en) | Multifunctional integrated power distribution device | |
| CN206685784U (en) | Small intelligent transformer | |
| CN206742721U (en) | A kind of intelligent modularized change | |
| CN208489574U (en) | A kind of low-voltage comprehensive distribution box with emergency power supply plug | |
| CN205882431U (en) | Put cabinet in intelligent high pressure | |
| CN208112223U (en) | Power of alterating and direct current multi-function test stand distribution system | |
| CN206563760U (en) | Switch test case connects circuit | |
| CN204905742U (en) | Middling pressure looped netowrk vacuum circuit breaker cabinet | |
| CN216530519U (en) | Water immersion electric shock prevention and power utilization protector capable of achieving reactive compensation | |
| CN205543934U (en) | Intelligence low voltage switchgear based on PLC control | |
| CN111697438A (en) | Intelligent power supply and distribution system | |
| CN211790723U (en) | Intelligent protection device of fixed circuit breaker switch cabinet | |
| CN205159830U (en) | Novel JP cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |