CN207503344U - A kind of high current kilowatt-hour meter auto-power-off control device - Google Patents
A kind of high current kilowatt-hour meter auto-power-off control device Download PDFInfo
- Publication number
- CN207503344U CN207503344U CN201721129527.XU CN201721129527U CN207503344U CN 207503344 U CN207503344 U CN 207503344U CN 201721129527 U CN201721129527 U CN 201721129527U CN 207503344 U CN207503344 U CN 207503344U
- Authority
- CN
- China
- Prior art keywords
- control device
- kilowatt
- hour meter
- high current
- power
- 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
- 230000005611 electricity Effects 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims description 39
- 238000009434 installation Methods 0.000 claims description 37
- 238000012423 maintenance Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000007257 malfunction Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Distribution Board (AREA)
Abstract
The utility model is related to ammeter measuring control devices,More particularly to a kind of high current kilowatt-hour meter auto-power-off control device,Including cabinet,Kilowatt-hour meter and control device are provided in the cabinet,The control device includes wire inlet control device and outgoing line control device,The wire inlet control device is used to control the connection and/or disconnection of kilowatt-hour meter and supply line,The outgoing line control device is used to control kilowatt-hour meter and the connection and/or disconnection with electric line,The outgoing line control device is switched for range and the expense control that the kilowatt-hour meter matches,The wire inlet control device,Kilowatt-hour meter and outgoing line control device are sequentially connected,Realize supply line with electric line connect and/or disconnection,When electricity consumption is more than setting value,Outgoing line control device acts on,It directly disconnects kilowatt-hour meter and uses electric line,Realize supply line and the disconnection with electric line,The function of expense control is reached.
Description
Technical field
The utility model is related to ammeter measuring control device, more particularly to a kind of high current kilowatt-hour meter automatically powers off control
Device processed.
Background technology
Kilowatt-hour meter is the electric meter of accumulative electric energy, for measuring civilian or industrial electricity consumption, at present, common household
Expense control switch is generally come with inside kilowatt-hour meter, after ammeter measuring reaches certain setting numerical value, the expense control in kilowatt-hour meter is opened
Automatic trip is closed, blocks the electric current into kilowatt-hour meter, realizes power-off.
But for using 60A and more than small enterprise, the workshop of high current kilowatt-hour meter etc., since its electricity consumption is larger,
The electric current for flowing through kilowatt-hour meter is larger, often beyond the measures range of kilowatt-hour meter, so can generally set mutual inductor and kilowatt-hour meter
High current, is become the low current in the range of ammeter measuring and measured again, still, be arranged on high current kilowatt-hour meter by connection in proportion
Interior expense control switch since the magnitude of current flowed through is excessively high, can not disconnect 60A and more than high current, take control function by failure,
So can only generally carry out the reading of live electricity consumption by staff, calculate, the practical electricity consumption of user, consumption can be just obtained
Take more manpower and materials and time.
Meanwhile kilowatt-hour meter and mutual inductor are generally arranged in a cabinet space, easily when cabinet door is opened by broken
Bad or change, and user reads kilowatt-hour meter parameter for convenience, user can open the cabinet door of the cabinet of installation kilowatt-hour meter, individually
User can change transformer parameter value privately, lead to ammeter measuring errors, make before staff to scene reads data
Into larger economic loss.
In conclusion there is an urgent need for a kind of technical solutions at present, solve existing high current kilowatt-hour meter and do not have expense control function, adopt
It is co-located in a cabinet space with the high current kilowatt-hour meter and mutual inductor of mutual inductor, is easier to be destroyed, leads to electricity
The technical issues of spending table measuring error, causing economic loss.
Utility model content
The purpose of this utility model is that：Do not have for existing high current kilowatt-hour meter and take control function, using mutual inductor
High current kilowatt-hour meter is co-located on mutual inductor in a cabinet space, is easier to be destroyed, and causes ammeter measuring wrong
Accidentally, the technical issues of causing economic loss, provides a kind of high current kilowatt-hour meter auto-power-off control device.
To achieve these goals, the technical solution adopted in the utility model is：
Including cabinet, kilowatt-hour meter and control are provided in the cabinet for a kind of high current kilowatt-hour meter auto-power-off control device
Device processed, the control device include wire inlet control device and outgoing line control device, and the wire inlet control device is used to control electricity
The connection and/or disconnection of table and supply line are spent, the outgoing line control device is used to control kilowatt-hour meter and the connection with electric line
And/or disconnect, the outgoing line control device is switched for range and the expense control that the kilowatt-hour meter matches, described to be filled into line traffic control
Put, kilowatt-hour meter and outgoing line control device are sequentially connected, realize supply line with electric line connect and/or disconnection.
A kind of high current kilowatt-hour meter auto-power-off control device of the utility model, passes through the electric current in high current kilowatt-hour meter
Output terminal setting outgoing line control device is switched as control is taken so that outgoing line control device judges whether according to the variable of kilowatt-hour meter
Disconnection, when electricity consumption is more than setting value, outgoing line control device effect directly disconnects kilowatt-hour meter and uses electric line, realizes power supply
Circuit and the disconnection with electric line have reached the function of expense control, meanwhile, setting wire inlet control device controls supply line and electric degree
Connection between table so that the connection between supply line and kilowatt-hour meter can be in emergency circumstances disconnected by wire inlet control device,
Ensure that the electric current in the case of outgoing line control device failure promptly blocks.
Preferably, the outgoing line control device includes at least one breaker, the breaker is electrically connected with kilowatt-hour meter,
When ammeter measuring is more than setting value, the breaker automatic trip.Breaker control high current kilowatt-hour meter and electricity consumption are set
Connection and/or disconnection between circuit, structure is simpler, and operation is more convenient, since breaker has the work(of automatic closing power-off
It can so that when ammeter measuring is more than setting value, supply line and the automatic disconnection with electric line control more convenient.
Preferably, the breaker is moulded case circuit breaker.Moulded case circuit breaker is generally used for equipment
Overload, short circuit and low-voltage protection, in the present solution, using moulded case circuit breaker as supply line and between electric line
Control switch, when ammeter measuring value reaches setting value, moulded case circuit breaker automatic closing realizes power-off, only sharp
The function of being powered off with moulded case circuit breaker automatic closing realizes automatically powering off to the circuit using high current kilowatt-hour meter
Control.
Preferably, the wire inlet control device includes sequentially connected knife switch and mutual inductor combines, the mutual inductance
Device combination is electrically connected with kilowatt-hour meter.Knife switch is set to control connection and/or disconnection between supply line and kilowatt-hour meter so that
Can manually realize supply line with electric line connect and/or disconnection, meanwhile, mutual inductor combination setting, make
The input current for obtaining supply line inputs kilowatt-hour meter again after the adjustment at double that mutual inductor combines, and excessive electric current is avoided to flow through
Kilowatt-hour meter caused by kilowatt-hour meter damages.
Preferably, being provided at least three installation spaces in the cabinet, pass through between each described installation space
Cable-through hole connects, and the wire inlet control device, kilowatt-hour meter and outgoing line control device are provided separately in installation space.By in cabinet
Independent installation space is set in vivo so that wire inlet control device, kilowatt-hour meter and outgoing line control device can be separately positioned on difference
Installation space in, more conveniently realize the independently control to wire inlet control device, kilowatt-hour meter and outgoing line control device, keep away
Exempt from accident power-off caused by user is respectively switched due to malfunction, it is empty to different installations according to actual conditions to be also convenient for staff
Interior device carries out Maintenance and Repair.
Preferably, the door-plate for being useful for closing the installation space is separately provided on each described installation space,
Door lock is both provided on the door-plate.Individual door-plate is installed to each installation space, and the unlatching of door lock control door-plate is set
And/or close so that corresponding staff only needs to open the door lock in corresponding cabinet door, the device in the range of self-responsibility
It is operated, facilitates the Maintenance and Repair of the device of staff, meanwhile, also avoid economy caused by layman's malfunction circuit
Loss.
Preferably, first partition is provided in the installation space of outgoing line control device for installing, the first partition
On be provided with opening with the contacts mates of breaker, the control circuit of breaker is limited in first partition by the first partition
Inner space.Breaker is limited on the inside of first partition, the contact of breaker only is extend out to first by the setting of first partition
On the outside of partition board so that layman is not easy to touch the wiring between breaker and kilowatt-hour meter, avoids causing economic loss.
Preferably, the door lock for the first partition to be controlled to open and/or close is provided in the first partition.
Setting can open and the first partition of/closing, facilitates the installation and use of first partition, but also only possessing opening door lock
The professional's ability opening door lock and then the circuit between breaker and kilowatt-hour meter of key carry out Maintenance and Repair, effectively avoid
The destruction of wiring of the layman between breaker and kilowatt-hour meter.
Preferably, second partition is provided in the installation space of wire inlet control device for installing, the second partition
On be provided with the opening coordinated with the knife switch.The setting of second partition, preferably by mutual inductor combination and knife switch
Circuit pack be preferably limited on the inside of second partition, layman is avoided to change mutual inductor combination parameter, leads to electric degree
Table measuring error.
Preferably, further including threading pipeline, described threading pipeline one end is connected with cabinet inner space, and the other end is with using
Electric equipment connects.Thread pipeline setting so that supply line and with electric line along threading pipeline set, avoid supply line
It is destroyed with electric line by extraneous violent means, causes economic loss, meanwhile, also avoid supply line and with electric line by outer
The influence of boundary's environment causes the measuring error of accidental power failure or electricity consumption.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are：
1st, by outgoing line control device being set to be used as expense control switch in the current output terminal of high current kilowatt-hour meter so that outlet
Control device judges whether to disconnect according to the variable of kilowatt-hour meter, when electricity consumption is more than setting value, outgoing line control device effect,
It directly disconnects kilowatt-hour meter and uses the electric current between electric line, realize supply line and the disconnection with electric line, reached and taken what is controlled
Function；
2nd, setting wire inlet control device controls the connection between supply line and kilowatt-hour meter so that can in emergency circumstances pass through
Wire inlet control device disconnects supply line and kilowatt-hour meter, ensures that the electric current in the case of outgoing line control device failure promptly blocks；
The advantageous effect of the utility model other embodiment is：
By setting independent installation space in cabinet so that wire inlet control device, kilowatt-hour meter and outgoing line control device
It can be separately positioned in different installation spaces, more conveniently realize to wire inlet control device, kilowatt-hour meter and outgoing line control device
Independently control, avoid user respectively switched due to malfunction caused by accident power-off, be also convenient for staff according to reality
Situation carries out Maintenance and Repair to device in different installation spaces.
Description of the drawings
Fig. 1 is a kind of structure diagram of high current kilowatt-hour meter auto-power-off control device of the utility model；
Fig. 2 is the structure diagram at another visual angles of Fig. 1；
Fig. 3 is a kind of line assumption diagram of high current kilowatt-hour meter auto-power-off control device of the utility model；
Fig. 4 is a kind of structure diagram of high current kilowatt-hour meter auto-power-off control device of embodiment 2.
Reference numeral
1- cabinets, 11- installation spaces, 12- door-plates, 13- door locks, 2- kilowatt-hour meters, 3- wire inlet control devices, 31- gates are opened
It closes, the combination of 32- mutual inductors, 4- outgoing line control devices, 41- breakers, 5- first partitions, 51- openings, 6- second partitions, 7- is worn
Spool road.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and specifically
Embodiment, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only solving
The utility model is released, is not used to limit the utility model.
Embodiment 1
As shown in Figs. 1-3, a kind of high current kilowatt-hour meter auto-power-off control device including cabinet 1, is set in the cabinet 1
Kilowatt-hour meter 2 and control device are equipped with, the control device includes wire inlet control device 3 and outgoing line control device 4, described into line traffic control
Device 3 processed is used to control kilowatt-hour meter 2 and the connection and/or disconnection of supply line, and the outgoing line control device 4 is used to control electric degree
The expense control that table 2 matches with the connection and/or disconnection with electric line, the outgoing line control device 4 for range with the kilowatt-hour meter 2
Switch, the wire inlet control device 3, kilowatt-hour meter 2 and outgoing line control device 4 are sequentially connected, and are realized supply line and are used electric line
Connection and/or disconnection.
A kind of high current kilowatt-hour meter auto-power-off control device of the present embodiment, passes through the electric current in high current kilowatt-hour meter 2
Output terminal setting outgoing line control device 4 is switched as control is taken so that outgoing line control device 4 judges according to the variable of kilowatt-hour meter 2
Whether disconnect, when electricity consumption is more than setting value, outgoing line control device 4 acts on, and directly disconnects kilowatt-hour meter 2 with using electric line, real
Existing supply line and the disconnection with electric line have reached the function of expense control, meanwhile, setting wire inlet control device controls supply line
Connection between kilowatt-hour meter 2 so that can in emergency circumstances be disconnected by wire inlet control device 3 supply line and kilowatt-hour meter 2 it
Between connection, ensure outgoing line control device 4 fail in the case of electric current promptly block.
Preferably, the outgoing line control device 4 includes at least one breaker 41, the breaker 41 and 2 electricity of kilowatt-hour meter
Connection, the breaker 41 are moulded case circuit breaker, and when the metering of kilowatt-hour meter 2 is more than setting value, the breaker 41 is certainly
Dynamic tripping.Breaker 41 is set to control high current kilowatt-hour meter 2 and with the connection and/or disconnection between electric line, structure is simpler,
Operate more convenient, moulded case circuit breaker 41 is generally used for the overloading of equipment, short circuit and low-voltage protection, in the present solution,
It switchs using moulded case circuit breaker 41 as supply line and with the control between electric line, is set when ammeter measuring value reaches
During definite value, 41 automatic closing of moulded case circuit breaker realizes power-off, breaks merely with 41 automatic closing of moulded case circuit breaker
The function of electricity, realizes the control automatically powered off to the circuit using high current kilowatt-hour meter 2, and control is more convenient.
Preferably, the wire inlet control device 3 includes sequentially connected knife switch 31 and mutual inductor combination 31, described mutual
Sensor combination 32 is electrically connected with kilowatt-hour meter 2.Set knife switch 31 control the connection between supply line and kilowatt-hour meter 2 and/or
Disconnect so that can manually realize supply line with electric line connect and/or disconnection, meanwhile, mutual inductor combine
32 setting so that the input current of supply line inputs kilowatt-hour meter 2 again after the adjustment at double by mutual inductor combination 32, avoids
Kilowatt-hour meter 2 damages caused by excessive electric current flows through kilowatt-hour meter 2.
Preferably, at least three installation spaces 11 are provided in the cabinet 1, led between each described installation space 11
Cable-through hole connection is crossed, the wire inlet control device 3, kilowatt-hour meter 2 and outgoing line control device 4 are provided separately in installation space 11,
The door-plate 12 for being useful for closing the installation space 11 is separately provided on each described installation space 11, on the door-plate 12
It is both provided with door lock 13.By the installation space 11 that the setting in cabinet 1 is independent, individual door is installed to each installation space 11
Plate 12, and the unlatching and/or closing of the control door-plate 12 of door lock 13 are set, corresponding staff only needs to open corresponding door-plate 12
On door lock 13, the device in the range of self-responsibility operated so that wire inlet control device 3, kilowatt-hour meter 2 and goes out line traffic control
Device 4 can be separately positioned in different installation spaces 11, and it is empty to carry out corresponding authority installation by the staff of different professions
Between in 11 equipment Maintenance and Repair, more conveniently realize point to wire inlet control device 3, kilowatt-hour meter 2 and outgoing line control device 4
Other independent control, also avoids accident power-off caused by user is respectively switched due to malfunction, is also convenient for staff according to reality
Situation carries out Maintenance and Repair to device in different installation spaces 11.
Preferably, first partition 5 is provided in the installation space 11 of outgoing line control device 4 for installing, described first every
It is provided on plate 5 and limits the control circuit of breaker 41 with the opening of the contacts mates of breaker 41 51, the first partition 5
It is provided with what is opened and/or close for controlling the first partition 5 on 5 inner space of first partition, the first partition 5
Door lock 13.Breaker 41 is limited in 5 inside of first partition, only extend out to the contact of breaker 41 by the setting of first partition 5
5 outside of first partition only possesses professional's ability opening door lock 13 of the key of opening door lock 13 and then to breaker 41
Circuit between kilowatt-hour meter 2 carries out Maintenance and Repair so that layman be not easy to touch breaker 41 and kilowatt-hour meter 2 it
Between wiring, avoid causing economic loss.
Preferably, further include threading pipeline 7, it is described threading 7 one end of pipeline connected with 1 inner space of cabinet, the other end and
Electrical equipment connects.Thread pipeline 7 setting so that supply line and with electric line along threading pipeline 7 set, avoid powering
It circuit and is destroyed with electric line by extraneous violent means, causes economic loss, meanwhile, it also avoids supply line and uses electric line
It is influenced by external environment, causes the measuring error of accidental power failure or electricity consumption.
Embodiment 2
As shown in figure 4, a kind of high current kilowatt-hour meter auto-power-off control device of the present embodiment, structure and 1 phase of embodiment
Together, difference lies in：Second partition 6 is provided in the installation space 11 of wire inlet control device 3 for installing, the second partition 6
On be provided with the opening 51 coordinated with the knife switch 31.
A kind of high current kilowatt-hour meter auto-power-off control device of the present embodiment, by setting second partition 6, by mutual inductor
The circuit pack of combination 32 and knife switch 31 is preferably limited on the inside of second partition 6, and the operation part of knife switch 31
It is extend out to outside second partition 6 by the opening 51 on second partition 6 so that when for the peace of closing installation wire inlet control device 3
After the unlatching of door-plate 12 for filling space 11, you can operation knife switch 31, and layman is not easy to be in direct contact mutual inductor group
Closing 32 so that it cannot easier change the parameter of mutual inductor combination 32, be further ensured that the accurate measurement of kilowatt-hour meter 2, by
In the accurate measurement of kilowatt-hour meter 2, cooperation breaker 41 takes control function so that staff does not need to complete electricity to scene yet
Spend the statistics of the variable of table 2.
Above example is only to illustrate the utility model and not limits the described technical solution of the utility model, to the greatest extent
Pipe this specification has been carried out being described in detail with reference to the above embodiments to the utility model, but the utility model is not limited to
Above-mentioned specific embodiment, thus it is any modify to the utility model or equivalent replacement, and all do not depart from utility model
Spirit and scope technical solution and its improvement, should all cover in the right of the utility model.
Claims (9)
1. a kind of high current kilowatt-hour meter auto-power-off control device, it is characterised in that：Including cabinet (1), set in the cabinet (1)
Kilowatt-hour meter (2) and control device are equipped with, the control device includes wire inlet control device (3) and outgoing line control device (4), described
Wire inlet control device (3) is for controlling the connection and/or disconnection of kilowatt-hour meter (2) and supply line, the outgoing line control device (4)
For controlling kilowatt-hour meter (2) and the connection and/or disconnection with electric line, the outgoing line control device (4) is range and the electricity
The expense control switch that degree table matches, the wire inlet control device (3), kilowatt-hour meter (2) and outgoing line control device (4) are sequentially connected,
Realize supply line with electric line connect and/or disconnection.
2. high current kilowatt-hour meter auto-power-off control device as described in claim 1, it is characterised in that：It is described go out line traffic control dress
It puts (4) and includes at least one breaker (41), the breaker (41) is electrically connected with kilowatt-hour meter (2), when kilowatt-hour meter (2) metering is super
When crossing setting value, breaker (41) automatic trip.
3. high current kilowatt-hour meter auto-power-off control device as claimed in claim 2, it is characterised in that：The breaker (41)
For moulded case circuit breaker.
4. high current kilowatt-hour meter auto-power-off control device as claimed in claim 3, it is characterised in that：It is described to be filled into line traffic control
It puts (3) and includes sequentially connected knife switch (31) and mutual inductor combination (32), the mutual inductor combination (32) and kilowatt-hour meter (2)
Electrical connection.
5. high current kilowatt-hour meter auto-power-off control device as claimed in claim 4, it is characterised in that：In the cabinet (1)
At least three installation spaces (11) are provided with, are connected between each described installation space (11) by cable-through hole, the inlet wire
Control device (3), kilowatt-hour meter (2) and outgoing line control device (4) are provided separately in installation space (11).
6. high current kilowatt-hour meter auto-power-off control device as claimed in claim 5, it is characterised in that：Each described installation
The door-plate (12) for being useful for closing the installation space (11) is separately provided on space (11), is respectively provided on the door-plate (12)
There is door lock (13).
7. high current kilowatt-hour meter auto-power-off control device as claimed in claim 6, it is characterised in that：For installing out line traffic control
First partition (5) is provided in the installation space (11) of device (4) processed, is provided on the first partition (5) and breaker
(41) control circuit of breaker (41) is limited in first partition by the opening (51) of contacts mates, the first partition (5)
(5) inner space.
8. high current kilowatt-hour meter auto-power-off control device as claimed in claim 7, it is characterised in that：The first partition
(5) door lock (13) for the first partition (5) to be controlled to open and/or close is provided on.
9. high current kilowatt-hour meter auto-power-off control device as claimed in claim 8, it is characterised in that：For being installed into line traffic control
Second partition (6) is provided in the installation space (11) of device (3) processed, is provided with and the gate on the second partition (6)
Switch the opening (51) of (31) cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721129527.XU CN207503344U (en) | 2017-09-05 | 2017-09-05 | A kind of high current kilowatt-hour meter auto-power-off control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721129527.XU CN207503344U (en) | 2017-09-05 | 2017-09-05 | A kind of high current kilowatt-hour meter auto-power-off control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207503344U true CN207503344U (en) | 2018-06-15 |
Family
ID=62498009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721129527.XU Active CN207503344U (en) | 2017-09-05 | 2017-09-05 | A kind of high current kilowatt-hour meter auto-power-off control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207503344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3739346A1 (en) * | 2019-05-14 | 2020-11-18 | Landis+Gyr AG | Load control module for a utility meter and meter arrangement comprising same |
-
2017
- 2017-09-05 CN CN201721129527.XU patent/CN207503344U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3739346A1 (en) * | 2019-05-14 | 2020-11-18 | Landis+Gyr AG | Load control module for a utility meter and meter arrangement comprising same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104332856A (en) | Intelligent-type power meter box | |
| CN207117190U (en) | Three-phase load unbalance automatic regulating apparatus | |
| CN208571394U (en) | A kind of photovoltaic power generation box-type substation based on intelligent controller | |
| CN207503344U (en) | A kind of high current kilowatt-hour meter auto-power-off control device | |
| CN203674567U (en) | Comprehensive distribution box | |
| CN204089167U (en) | A kind of box type transformer protection supervisory equipment | |
| KR100994375B1 (en) | Electric socket with smart meter for shutting off standby power | |
| CN202633772U (en) | Convenient electric control cabinet | |
| CN206922507U (en) | A kind of intelligent integrated switch board | |
| CN104142648B (en) | Urban track traffic low-voltage distribution system control terminal | |
| CN205039622U (en) | Remote intelligent protection metrological control device | |
| CN205657341U (en) | Low -voltage comprehensive distribution box | |
| CN209593100U (en) | A kind of remote controlled Intelligent reclosing switching device | |
| CN204142798U (en) | Multifunctional intellectual ammeter box | |
| CN203445507U (en) | Brush generator set integrated intelligent control screen | |
| CN107332113B (en) | Electrical control device and power distribution cabinet | |
| CN103337793B (en) | A kind of Multifunctional measuring cabinet | |
| CN107508380A (en) | A kind of electric power power transformation big data system | |
| CN201654193U (en) | Motor protection testing device | |
| CN205039548U (en) | Low -voltage reactive power compensation device | |
| CN206775227U (en) | Stand and use power supply AC system and device | |
| CN204066257U (en) | Integral remote low-voltage pre-paid measuring box equipment | |
| CN208093983U (en) | A kind of comprehensive distribution cabinet | |
| CN206922506U (en) | A kind of intelligent integrated switch board circuit | |
| CN106571675A (en) | Power management device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |