CN219677786U - Two-in one-out fast power generation car access box - Google Patents
Two-in one-out fast power generation car access box Download PDFInfo
- Publication number
- CN219677786U CN219677786U CN202320927770.5U CN202320927770U CN219677786U CN 219677786 U CN219677786 U CN 219677786U CN 202320927770 U CN202320927770 U CN 202320927770U CN 219677786 U CN219677786 U CN 219677786U
- Authority
- CN
- China
- Prior art keywords
- current
- voltage
- power generation
- module
- door plate
- 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
- 238000010248 power generation Methods 0.000 title claims abstract description 36
- 238000012806 monitoring device Methods 0.000 claims abstract description 14
- 239000011521 glass Substances 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000005259 measurement Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000007791 dehumidification Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model discloses a two-in one-out rapid power generation vehicle access box which comprises a box body, wherein an upper cabinet door and a lower cabinet door which can be opened and closed are arranged on the front surface of the box body, and an installation seat is arranged in the box body; the installation seat is provided with an upper door plate and a lower door plate which can be opened and closed, a current and voltage monitoring device and a voltage change-over switch are arranged at the upper door plate, and a power supply indicating device is arranged between the upper door plate and the lower door plate; the inner side of the mounting seat is provided with a wire inlet module, a circuit breaker and a wire outlet module, and the wire inlet module and the wire outlet module are respectively connected with the circuit breaker; the upper cabinet door is provided with a glass window which is matched with the current and voltage monitoring device. The utility model has the monitoring functions of current, voltage and the like, can complete quick connection through simple plugging, realizes the access standardization of emergency power supply equipment, ensures the operation safety, and improves the emergency power capability and the power supply and power protection efficiency.
Description
Technical Field
The utility model relates to the technical field of electric power, in particular to a two-in and one-out rapid power generation vehicle access box.
Background
The emergency power generation car is a special vehicle with a car body, a generator set and a power management system on an automobile chassis, and is mainly used for emergency repair and disaster relief, major active power supply guarantee, temporary protection power supply and other places and used as a motor emergency standby power supply. In the actual power supply process, the emergency power generation vehicle needs to be connected with the client equipment to realize power supply; many conventional emergency power supply access devices are troublesome to install and generally take a plurality of hours to install, so that the power supply recovery time is seriously influenced, and precious time for emergency disaster resistance and emergency repair is delayed. The on-site electric devices are diversified, the on-site electric devices are not necessarily matched with an access system of an emergency power supply, the on-site electric devices can be accessed after being often modified, and the access points are not very reliable. The traditional switching device has some potential safety hazards, and the safe use of the emergency power generation car is affected. The access to the client equipment has complicated steps, large workload and overlong working time, and is difficult to meet the power supply requirement of the multipoint protection.
Disclosure of Invention
The utility model provides a two-in one-out rapid power generation vehicle access box, which aims to solve the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: the access box of the two-in one-out rapid power generation vehicle comprises a box body, wherein an upper cabinet door and a lower cabinet door which can be opened and closed are arranged on the front surface of the box body, and an installation seat is arranged in the box body; the installation seat is provided with an upper door plate and a lower door plate which can be opened and closed, a current and voltage monitoring device and a voltage change-over switch are arranged at the upper door plate, and a power supply indicating device is arranged between the upper door plate and the lower door plate; the inner side of the mounting seat is provided with an incoming line module, a circuit breaker and an outgoing line module, and the incoming line module and the outgoing line module are respectively connected with the circuit breaker; the upper cabinet door is provided with a glass window, and the glass window is matched with the current and voltage monitoring device.
Preferably, the wire inlet module comprises a wire inlet socket and a cable connection port, the wire inlet socket is arranged on the inner side of the upper door plate, the cable connection port is arranged on the inner side of the lower door plate, and the wire inlet socket and the cable connection port are arranged in parallel.
Preferably, two groups of wire inlet sockets are arranged in parallel; each group of incoming line sockets is provided with a Huang Jinxian port, a green incoming line port, a red incoming line port and a blue incoming line port; the Huang Jinxian port, the green inlet port, the red inlet port and the blue inlet port are spark-free single-core connectors.
Preferably, the current and voltage monitoring device comprises a current indicator lamp, a voltage indicator lamp, a current measuring loop and a voltage measuring loop; the current measuring loop is respectively connected with the current indicator lamp and the incoming line module; the voltage measuring loop is respectively connected with the voltage indicator lamp and the incoming line module.
Preferably, the current measurement loop comprises a three-phase connecting wire connected with the wire inlet module, a current transformer TA1, a current transformer TA2 and a current transformer TA3 are respectively connected in series on the three-phase connecting wire, and an output end of the current transformer TA1, an output end of the current transformer TA2 and an output end of the current transformer TA3 are respectively connected with an ammeter PA1, an ammeter PA2 and an ammeter PA3.
Preferably, the voltage measurement loop comprises an a-phase line 1L1, a B-phase line 1L2 and a C-phase line 1L3 connected with the incoming line module, wherein the a-phase line 1L1, the B-phase line 1L2 and the C-phase line 1L3 are respectively connected with a voltage conversion switch through fuses, and the voltage conversion switch is connected with a voltmeter.
Preferably, the power supply indicating device comprises an incoming line power supply indicating lamp, an outgoing line power supply indicating lamp, an incoming line indicating lamp loop and an outgoing line indicating lamp loop, wherein the incoming line indicating lamp loop is respectively connected with a phase line of the incoming line module and one side of the incoming line power supply indicating lamp; and the outgoing line indicating lamp loop is respectively connected with the phase line of the outgoing line module and one side of the outgoing line power supply indicating lamp.
Preferably, the outgoing line module is provided with a plurality of conductive copper bar groups.
Preferably, the box body comprises a box body, and the box body is provided with a wire outlet module.
Preferably, the dehumidification device further comprises a controller and a humidity sensor, and the dehumidification device and the humidity sensor are respectively connected with the controller.
Compared with the prior art, the utility model has the beneficial effects that: the two-in one-out fast power generation vehicle access box provided by the utility model is mainly provided with the fast-plug wire inlet socket and the cable connection port as a standby, so that the emergency power generation vehicle can adapt to more different environments, and the effect of improving the environmental adaptability of the emergency power generation vehicle is achieved. The utility model has the monitoring functions of current, voltage and the like, can complete quick connection through simple plugging, realizes the access standardization of emergency power supply equipment, ensures the operation safety, and improves the emergency power capability and the power supply and power protection efficiency.
Drawings
FIG. 1 is a block diagram of a two-in one-out rapid electric power generation vehicle access box in accordance with an embodiment of the present utility model;
FIG. 2 is an internal structure of a two-in one-out rapid electric power generation vehicle access box according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of the internal structure of a two-in one-out rapid electric power generation vehicle access box according to an embodiment of the present utility model;
FIG. 4 is a side view of a two-in one-out rapid electric power generation vehicle access box according to an embodiment of the present utility model;
fig. 5 is a schematic circuit diagram of a two-in one-out fast power generation vehicle access box according to an embodiment of the present utility model;
FIG. 6 is a circuit diagram of a current measurement loop of a two-in one-out rapid electric power generation vehicle access box according to an embodiment of the present utility model;
FIG. 7 is a circuit diagram of a voltage measurement loop of a two-in one-out fast generator access box according to an embodiment of the present utility model;
FIG. 8 is a circuit diagram of an incoming line indicator light circuit of a two-in one-out rapid electric power generation car access box according to an embodiment of the present utility model;
FIG. 9 is a circuit diagram of an outgoing line indicator light circuit of a two-in one-out rapid electric power generation vehicle access box according to an embodiment of the present utility model;
in fig. 1 to 9, the correspondence between the names of the respective components and the reference numerals of the drawings is:
1-box, 2-upper cabinet door, 3-lower cabinet door, 4-mount, 5-upper door panel, 6-lower door panel, 7-current-voltage monitoring device, 701-current indicator, 702-voltage indicator, 7021-a-phase line 1L1, 7022-B-phase line 1L2, 7023-C-phase line 1L3, 7024-fuse, 7025-voltage change-over switch, 7026-voltmeter, 703-current measurement loop, 7031-current transformer TA1, 7032-current transformer TA2, 7033-current transformer TA3, 7034-current meter PA1, 7035-current meter PA2, 7036-current meter PA3, 704-voltage measurement loop, 8-voltage change-over switch, 9-power indicator, 901-incoming line power indicator, 902-outgoing line power indicator, 903-incoming line indicator loop, 904-outgoing line indicator loop incoming line module, 101-incoming line socket 1011-Huang Jinxian port, 1012-green-incoming line port 1013-red port, 1014-blue-wire port 102-incoming line cable 12, 13-wire window 13-outgoing line window 12, wire breaker 13.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 9, the utility model provides a two-in one-out rapid power generation vehicle access box, which comprises a box body 1, wherein an upper cabinet door 2 and a lower cabinet door 3 which can be opened and closed are arranged on the front surface of the box body 1, and a mounting seat 4 is arranged in the box body; an upper door plate 5 and a lower door plate 6 which can be opened and closed are arranged on the mounting seat 4, a current and voltage monitoring device 7 and a voltage change-over switch 8 are arranged at the upper door plate 5, and a power supply indicating device 9 is arranged between the upper door plate 5 and the lower door plate 6; an incoming line module 10, a circuit breaker 11 and an outgoing line module 12 are arranged on the inner side of the mounting seat 4, and the incoming line module 10 and the outgoing line module 12 are respectively connected with the circuit breaker 11; the upper cabinet door 2 is provided with a glass window 13, and the glass window 13 is matched with the current and voltage monitoring device 7.
In the embodiment of the utility model, the front surface of the two-in one-out rapid power generation vehicle access box is provided with the upper cabinet door 3 and the lower cabinet door, and the back surface is used for fixed installation. The whole box body 1 is made of 304 stainless steel plates, the specification of the box body 1 is 1400mm in height, 600mm in width and 400mm in thickness, and 2 wire inlet and outlet holes are formed in the box body 1. The breaker 11 in the embodiment is an intelligent control breaker 11, which is mainly used for an emergency power generation vehicle to access a 0.4KV alternating current power supply into a low-voltage distribution system through a low-voltage quick access device to provide safety protection.
After the upper cabinet door 2 and the lower cabinet door 3 are opened, a state display lamp in the current and voltage monitoring device 7 and a voltage change-over switch 8 which can be operated can be seen, and a power supply indicating device 9 is arranged below the current and voltage change-over switch, so that the state information of the equipment can be intuitively known. In addition, the glass window 13 arranged on the upper cabinet door 2 is matched with the current and voltage monitoring device 7, so that a user can directly observe the running state of the equipment without opening the cabinet door of the box body 1. The upper door panel 5 and the lower door panel 6 can be rapidly connected after being opened.
Specifically, the intelligent control breaker 11 has the product model of NGM10ZXL-800/3N 320-800A, is suitable for low-voltage lines with alternating current of 50Hz and rated voltage of 400V or below, can monitor power supply voltage and running current in real time, and is used for overload, short circuit, phase failure, over-under voltage, current imbalance and leakage protection, and the power line is not frequently connected and disconnected under normal conditions.
Further, a communication module can be further arranged to connect the communication module with the intelligent control breaker 11 so as to realize remote signaling, remote measurement, remote control, remote regulation and fire control remote power-off functions.
Preferably, the incoming module 10 includes an incoming socket 101 and a cable connection port 102, the incoming socket 101 is disposed on the inner side of the upper door panel 5, the cable connection port 102 is disposed on the inner side of the lower door panel 6, and the incoming socket 101 and the cable connection port 102 are disposed in parallel. In this embodiment, the incoming line module 10 is connected to the electric power generating car by adopting two modes of plugging and wiring, wherein the plugging portion is provided with an incoming line socket 101, and the wiring portion is provided with a cable wiring port 102. In this embodiment, the multi-point contact technology is adopted in the connector of the incoming line socket 101 and the safety lock catch is provided, so that the quick connection can be completed through simple plugging, the access standardization of emergency power supply equipment is realized, and the operation safety is ensured.
Preferably, two groups of the wire inlet sockets 101 are arranged, and the two groups of wire inlet sockets 101 are connected in parallel; each group of incoming sockets 101 is provided with a Huang Jinxian port 1011, a green incoming port 1012, a red incoming port 1013 and a blue incoming port 1014; the Huang Jinxian port 1011, the green incoming port 1012, the red incoming port 1013, and the blue incoming port 1014 are all sparkless single-core connectors. In this embodiment, the incoming line socket 101 is provided with a plurality of ports according to colors respectively, different colors are convenient for users to quickly dock, the probability of wrong connection is reduced, the ports adopt 400A sparkless single-core connectors, and the ports are matched with safety catches, so that quick connection can be realized, and safety can be guaranteed. The two groups of incoming line sockets 101 are connected in a parallel output mode.
Preferably, the current-voltage monitoring device 7 includes a current indicator 701, a voltage indicator 702, a current measuring circuit 703 and a voltage measuring circuit 704; the current measuring circuit 703 is connected with the current indicator lamp 701 and the incoming line module 10 respectively; the voltage measuring circuit 704 is connected to the voltage indicator lamp 702 and the incoming line module 10, respectively.
Preferably, the current measurement circuit 703 includes a three-phase connection wire connected to the wire inlet module 10, and the three-phase connection wire is connected in series with a current transformer TA17031, a current transformer TA27032 and a current transformer TA37033, where an output end of the current transformer TA17031, an output end of the current transformer TA27032 and an output end of the current transformer TA37033 are respectively connected to the ammeter PA17034, the ammeter PA27035 and the ammeter PA37036.
Preferably, the voltage measurement circuit 704 includes an a-phase line 1L17021, a B-phase line 1L27022 and a C-phase line 1L37023 connected to the incoming line module 10, where the a-phase line 1L17021, the B-phase line 1L27022 and the C-phase line 1L37023 are connected to a voltage conversion switch 8 through a fuse 7024, and the voltage conversion switch 8 is connected to a voltmeter 7026.
Preferably, the power indication device 9 includes an incoming power indication lamp 901, an outgoing power indication lamp 902, an incoming indication lamp circuit 903 and an outgoing indication lamp circuit 904, where the incoming indication lamp circuit 903 is connected to the phase line of the incoming module 10 and connected to one side of the incoming power indication lamp 901; the outgoing light indicator circuit 904 is connected to the phase line of the outgoing module 12 and to one side of the outgoing power indicator 902, respectively.
Preferably, the outgoing line module 12 is provided with a plurality of conductive copper bar groups. In this embodiment, the power supply is input by a quick plug and a wire, while the output is output by a copper bar connected to a cable, and the conductive copper bar group is an 8x40mm copper bar.
Preferably, the box body 1 further comprises a dehumidifying device arranged inside the box body, and the dehumidifying device is connected with the outlet module 12. By arranging the dehumidifying device, the application range of the access box of the two-in and one-out rapid power generation vehicle is improved, and the service capacity of the access box is particularly improved for severe environments. When the ambient humidity is too high, the dehumidifying device is started to dehumidify the inside of the box body 1 rapidly, so that the electric equipment is prevented from being affected with damp.
Preferably, the dehumidification device further comprises a controller and a humidity sensor, and the dehumidification device and the humidity sensor are respectively connected with the controller. Through setting up humidity transducer and controller, humidity transducer is arranged in real-time supervision environment's humidity to in with monitoring information transfer to the controller, the controller compares the environmental humidity information that receives with the default, and starts or close dehydrating unit according to predetermineeing, in order to realize dehydrating unit's automatic start and stop.
Compared with the prior art, the utility model has the beneficial effects that: the two-in one-out fast power generation vehicle access box provided by the utility model is mainly provided with the fast-plug wire inlet socket and the cable connection port as a standby, so that the emergency power generation vehicle can adapt to more different environments, and the effect of improving the environmental adaptability of the emergency power generation vehicle is achieved. The utility model has the monitoring functions of current, voltage and the like, can complete quick connection through simple plugging, realizes the access standardization of emergency power supply equipment, ensures the operation safety, and improves the emergency power capability and the power supply and power protection efficiency.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The access box of the two-in one-out rapid power generation vehicle is characterized by comprising a box body (1), wherein an upper cabinet door (2) and a lower cabinet door (3) which can be opened and closed are arranged on the front surface of the box body, and an installation seat (4) is arranged in the box body; an upper door plate (5) and a lower door plate (6) which can be opened and closed are arranged on the mounting seat, a current and voltage monitoring device (7) and a voltage change-over switch (8) are arranged at the upper door plate, and a power supply indicating device (9) is arranged between the upper door plate and the lower door plate; an incoming line module (10), a circuit breaker (11) and an outgoing line module (12) are arranged on the inner side of the mounting seat, and the incoming line module and the outgoing line module are respectively connected with the circuit breaker; and a glass window (13) is arranged on the upper cabinet door and is matched with the current and voltage monitoring device.
2. The two-in one-out rapid electric generator car access box according to claim 1, wherein the wire inlet module comprises a wire inlet socket (101) and a cable wiring port (102), the wire inlet socket is arranged on the inner side of the upper door plate, the cable wiring port is arranged on the inner side of the lower door plate, and the wire inlet socket and the cable wiring port are arranged in parallel.
3. The two-in one-out rapid electric power generation car access box according to claim 2, wherein two groups of wire inlet sockets are arranged in parallel; each group of inlet sockets is provided with a Huang Jinxian port (1011), a green inlet port (1012), a red inlet port (1013) and a blue inlet port (1014); the Huang Jinxian port, the green inlet port, the red inlet port and the blue inlet port are spark-free single-core connectors.
4. The two-in one-out rapid electric power generation car access box according to claim 1, wherein the current-voltage monitoring device comprises a current indicator lamp (701), a voltage indicator lamp (702), a current measuring circuit (703) and a voltage measuring circuit (704); the current measuring loop is respectively connected with the current indicator lamp and the incoming line module; the voltage measuring loop is respectively connected with the voltage indicator lamp and the incoming line module.
5. The access box of a two-in and one-out rapid electric power generation vehicle according to claim 4, wherein the current measurement loop comprises a three-phase connecting wire connected with the wire inlet module, a current transformer TA1 (7031), a current transformer TA2 (7032) and a current transformer TA3 (7033) are respectively connected in series on the three-phase connecting wire, and an output end of the current transformer TA1, an output end of the current transformer TA2 and an output end of the current transformer TA3 are respectively connected with a ammeter PA1 (7034), a ammeter PA2 (7035) and a ammeter PA3 (7036).
6. The two-in-one-out rapid electric power generation car access box according to claim 4, wherein the voltage measurement loop comprises an a-phase line 1L1 (7021), a B-phase line 1L2 (7022) and a C-phase line 1L3 (7023) which are connected with the wire inlet module, the a-phase line 1L1, the B-phase line 1L2 and the C-phase line 1L3 are respectively connected with the voltage conversion switch through fuses (7024), and the voltage conversion switch is connected with a voltmeter (7026).
7. The two-in-one-out rapid electric power generation car access box according to claim 1, wherein the power supply indicating device comprises an incoming line power supply indicating lamp (901), an outgoing line power supply indicating lamp (902), an incoming line indicating lamp loop (903) and an outgoing line indicating lamp loop (904), and the incoming line indicating lamp loops are respectively connected with phase lines of the incoming line modules and connected with one side of the incoming line power supply indicating lamp; and the outgoing line indicating lamp loop is respectively connected with the phase line of the outgoing line module and one side of the outgoing line power supply indicating lamp.
8. The two-in one-out rapid electric power generation car access box of claim 1, wherein the outgoing line module is provided with a plurality of conductive copper bar groups.
9. The access box of a two-in one-out rapid electric power generation vehicle of any one of claims 1 to 8, further comprising a dehumidifying device disposed inside the box, wherein the dehumidifying device is connected to the outlet module.
10. The two-in one-out rapid electric power generation car access box of claim 9, further comprising a controller and a humidity sensor, wherein the dehumidifying device and the humidity sensor are respectively connected with the controller.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320927770.5U CN219677786U (en) | 2023-04-21 | 2023-04-21 | Two-in one-out fast power generation car access box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320927770.5U CN219677786U (en) | 2023-04-21 | 2023-04-21 | Two-in one-out fast power generation car access box |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219677786U true CN219677786U (en) | 2023-09-12 |
Family
ID=87892440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202320927770.5U Active CN219677786U (en) | 2023-04-21 | 2023-04-21 | Two-in one-out fast power generation car access box |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219677786U (en) |
-
2023
- 2023-04-21 CN CN202320927770.5U patent/CN219677786U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2018064861A1 (en) | Dual-connector electric car direct current charging pile | |
CN220475414U (en) | Miniature optical storage and filling detection system | |
CN211184586U (en) | Outdoor ETC rack | |
CN219677786U (en) | Two-in one-out fast power generation car access box | |
CN110774899B (en) | Contactor box of pure electric rail locomotive | |
CN113258474A (en) | Insert frame formula basic station energy sharing device | |
CN204992272U (en) | Dual supply massive quantity power supply and high expanded pull -out type measuring equipment that does not repeat of low meter that supplies | |
CN206557299U (en) | A kind of emergency power supply Quick access device with decompression timing | |
CN207637726U (en) | A kind of external intelligent breaker of electric energy meter | |
CN215419073U (en) | Integrated miniature direct current screen | |
CN216215072U (en) | Insert frame formula basic station energy sharing device | |
CN200990575Y (en) | Elevator frequency changer external hanging energy feedback device | |
CN204992580U (en) | Expanded not repeated fixed measuring equipment of dual power supply | |
CN215497736U (en) | Novel HVDC intelligent local side power supply screen cabinet | |
CN217010085U (en) | Heavy current DC power supply distribution cabinet | |
CN221328622U (en) | Plug intelligent integrated power capacitor compensation device | |
CN1022708C (en) | Discharge testing chest | |
CN215894906U (en) | Uninterrupted replacing device for electric energy meter with wiring protection function | |
CN204992274U (en) | Dual supply massive quantity power supply and high expanded not repeated fixed measuring equipment of low meter that supplies | |
CN207780583U (en) | A kind of soft straight starting device of multivoltage | |
CN109358294A (en) | Cell batteries open circuit online monitoring system | |
CN218997768U (en) | Power distribution control monitoring device | |
CN112186558B (en) | Intelligent power distribution equipment for oil well | |
CN214544077U (en) | Novel AC input unit equipment | |
CN217007987U (en) | Charger assembly |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |