CN209071935U - A kind of outdoor high-voltage isolating switch case - Google Patents
A kind of outdoor high-voltage isolating switch case Download PDFInfo
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- CN209071935U CN209071935U CN201821627330.3U CN201821627330U CN209071935U CN 209071935 U CN209071935 U CN 209071935U CN 201821627330 U CN201821627330 U CN 201821627330U CN 209071935 U CN209071935 U CN 209071935U
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Abstract
The utility model relates to technical field of battery production, disclose a kind of outdoor high-voltage isolating switch case, which includes cabinet, include: inlet wire cable vault, disconnecting switch room and outlet cable room in the cavity of cabinet；Inlet wire cable vault and outlet cable room are located at the two sides of disconnecting switch room；It is separated between inlet wire cable vault and disconnecting switch room by first partition；It is separated between outlet cable room and disconnecting switch room by second partition；The indoor inlet wire cable of inlet wire cable passes through first partition by the first connector and is electrically connected with the end of incoming cables of the indoor disconnecting switch of disconnecting switch；The indoor outlet cable of outlet cable passes through second partition by the second connector and is electrically connected with the leading-out terminal of the indoor disconnecting switch of disconnecting switch.A kind of outdoor high-voltage isolating switch case provided by the utility model can be such that each electrification interval separates, and guarantee to be strayed into other electrification intervals when service personnel's maintenance and electric shock accidents occurs.
Description
Technical field
The utility model relates to field of power systems, more particularly to a kind of outdoor high-voltage isolating switch case.
Background technique
High voltage isolator is device for switching important in power plant and substation's electrical system, need to be matched with high-voltage circuitbreaker
Set uses.Disconnecting switch is suitable for three-phase alternating current 50Hz, the inside plant of voltage rating 12KV, for the having voltage of high-tension apparatus
Column load is connected in the case where carrying, cutting or conversion line are used, and plays isolation voltage, guarantees that High-Voltage Electrical Appliances and device exist
Safety when service work.
The entire cabinet of railway distribution substation high voltage isolator case only sets disconnecting switch room at present, and inlet wire and outlet cable are adopted
It is connected with the mode of field fabrication cable terminal with disconnecting switch two sides busbar, service personnel may miss when overhauling
Enter other electrification intervals, causing repair and maintenance, there are security risks.
Utility model content
(1) technical problems to be solved
Purpose of the utility model is to solve the easy mistakenly entering charged chambers of high voltage isolator case in the prior art to cause
The technical problem of working security difference provides a kind of outdoor high-voltage isolating switch case.
(2) technical solution
For the technical problems in the prior art, the utility model provides a kind of outdoor high-voltage isolating switch case, packet
Cabinet is included, includes: inlet wire cable vault, disconnecting switch room and outlet cable room in the cavity of the cabinet；The inlet wire cable vault
The two sides of the disconnecting switch room are located at outlet cable room；Lead between the inlet wire cable vault and the disconnecting switch room
First partition is crossed to separate；It is separated between the outlet cable room and the disconnecting switch room by second partition；The inlet wire electricity
The indoor inlet wire cable of cable passes through the first partition and the indoor disconnecting switch of the disconnecting switch by the first connector
End of incoming cables electrical connection；The indoor outlet cable of outlet cable by the second connector pass through the second partition and it is described every
Leave the leading-out terminal electrical connection for closing indoor disconnecting switch.
Further, first connector includes: inlet wire cable socket and incoming line plug；The inlet wire cable socket is set
It sets in the first partition, the inlet wire cable socket includes: to protrude into indoor first plug division of the inlet wire cable and stretch
Enter the indoor first connecting portion of the disconnecting switch；The first connecting portion is electrically connected to the end of incoming cables of the disconnecting switch；Institute
Inlet wire cable is stated by the incoming line plug and first plug division grafting, so that the inlet wire cable is connect with described first
Portion is electrically connected；Second connector includes: outlet cable socket and outgoing line plug；The outgoing line plug connects the outlet
Cable；The outlet cable socket is arranged on the second partition, and the outlet cable socket includes: to protrude into the outlet electricity
Indoor second plug division of cable and protrude into the indoor second connecting portion of the disconnecting switch；The second connecting portion is electrically connected to institute
State the leading-out terminal of disconnecting switch；The outlet cable is by the outgoing line plug and second plug division grafting, so that described
Outlet cable is electrically connected with the second connecting portion.
Further, first plug division is equipped with the first jack；The incoming line plug is external thread type cable connector, with
The first jack matching thread connection；The first connecting portion extends in first jack for one end and the inlet wire
First conductive column of plug electrical connection；Second plug division is equipped with the second jack, and the outgoing line plug is external thread type cable
Connector is connect with the second jack matching thread；The second connecting portion extends in second jack for one end and institute
State the second conductive column of outgoing line plug electrical connection.
Further, the end of first conductive column is electrically connected by copper bar with the end of incoming cables of the disconnecting switch；Institute
The end for stating the second conductive column is electrically connected by copper bar with the leading-out terminal of the disconnecting switch.
Further, the inlet wire cable vault is equipped with first passed through for the inlet wire cable and passes through hole；The outlet electricity
Cable room is respectively equipped with second passed through for the outlet cable and passes through hole.
Further, inlet wire bracket is equipped in the inlet wire cable vault, the incoming line plug is fixed on the inlet wire bracket
Top, the inlet wire bracket is interior to be equipped with inlet wire channel, and the inlet wire cable passes through described first and passes through hole and pass through the inlet wire
Channel is accessed in the incoming line plug；
It is equipped with line bracket in the outlet cable room, the outgoing line plug is fixed on the outlet cradle top, described
Line passage out is equipped in line bracket out, the outlet cable passes through described second and passes through hole and access institute by the line passage out
It states in outgoing line plug.
Further, the first partition and second partition are respectively metallic conduction plate；The cabinet is stainless steel material
Manufactured cabinet, the cabinet wall are aluminum wall.
Further, it is additionally provided with the breaker being electrically connected with the leading-out terminal of the disconnecting switch in the disconnecting switch room,
And it is set to the mechanical interlocks on the route between the breaker and the disconnecting switch.
Further, end of incoming cables or the outlet for disconnecting switch described in overcurrent protection are additionally provided in the disconnecting switch room
The arrester at end.
Further, the inlet wire cable vault, disconnecting switch room and outlet cable room are respectively equipped with switch gate.
(3) beneficial effect
A kind of outdoor high-voltage isolating switch case provided by the utility model, is placed respectively by will be separated into three in cabinet
Inlet wire cable, outlet cable, disconnecting switch chamber, be separated by partition between each chamber and mutually indepedent, make each
Electrification interval separates, and other electrification intervals will not be strayed into when ensure that service personnel's maintenance and electric shock accidents occurs, are being protected
It is guaranteed in grade, in electric property, in operational safety, meets relevant standards and specifications.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the utility model outdoor high-voltage isolating switch case；
Fig. 2 is the left view structural representation of one embodiment of the utility model outdoor high-voltage isolating switch case；
Fig. 3 is the structural schematic diagram of one embodiment of inlet wire cable socket of the utility model outdoor high-voltage isolating switch case.
Wherein:
1: inlet wire cable；2: disconnecting switch；2a: the end of incoming cables of disconnecting switch；
2b: the leading-out terminal of disconnecting switch；3: outlet cable；4: the first connectors；
5: the second connectors；6: inlet wire bracket 7: going out line bracket；
8: mechanical interlocks；9: arrester；41: inlet wire cable socket；
42: incoming line plug；51: outlet cable socket 52: outgoing line plug；
61: fixing clamp；100: cabinet；101: inlet wire cable vault；
102: disconnecting switch room；103: outlet cable room；104: first partition；
105: second partition；411: the first plug divisions；411a: the first jack；
412: first connecting portion；413: mounting base；511: the second plug divisions；
512: second connecting portion.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Fig. 1 shows the structural schematic diagram of one embodiment of the utility model outdoor high-voltage isolating switch case；Fig. 2 shows this
The left view structural representation of one embodiment of utility model outdoor high-voltage isolating switch case.One kind provided by the embodiment of the utility model
Outdoor high-voltage isolating switch case is mainly used in the outdoor disconnector case of 10kV or more high pressure.As shown in Figure 1, the outdoor high-voltage
Disconnecting switch case includes: cabinet 100, include: in the cavity of the cabinet 100 inlet wire cable vault 101, disconnecting switch room 102 and go out
Line cable vault 103；Inlet wire cable vault 101 and outlet cable room 103 are located at the two sides of disconnecting switch room 102；Inlet wire cable
It is separated between room 101 and disconnecting switch room 102 by first partition 104；Between outlet cable room 103 and disconnecting switch room 102
It is separated by second partition 105；Inlet wire cable 1 in inlet wire cable vault 101 passes through first partition 104 by the first connector 4
It is electrically connected with the end of incoming cables of the disconnecting switch in disconnecting switch room 102；Outlet cable 3 in outlet cable room 103 passes through second
Connector 5 passes through second partition 105 and is electrically connected with the leading-out terminal 2b of the disconnecting switch in disconnecting switch room 102.
Specifically, first partition 104 and second partition 105 are parallel to each other and are vertically arranged in cabinet 100, by cabinet
100 inner cavity is separated into independent three closed chambers, and three chambers are followed successively by inlet wire cable from left to right (or right-to-left)
Room 101, disconnecting switch room 102 and outlet cable room 103.
For placing disconnecting switch 2 in disconnecting switch room 102, disconnecting switch 2 respectively with inlet wire cable 1 and outlet cable 3
Electrical connection, to realize the on-off of route.Breaker may further be provided in disconnecting switch room 102, the outlet with disconnecting switch
2b electrical connection is held, breaker can close, carry and cut-off the circuit under normal loop condition, and can be in the feelings of load current
Circuit is closed under condition.Also settable mechanical interlocks 8 in disconnecting switch room 102, the setting of mechanical interlocks 8 in breaker and
On route between disconnecting switch 2, which can be used is interlocked when passing through machine driving known to this field
Equipment, may be implemented to interlock between breaker and disconnecting switch 2.
Inlet wire cable vault 101 can be opened up for placing inlet wire cable 1 in the bottom, side or top of inlet wire cable vault 101
First passes through hole, is entered in inlet wire cable vault 101 for inlet wire cable 1 by outside.
First connector 4 is used to connect the end of incoming cables 2a of inlet wire cable 1 and disconnecting switch.The setting of first connector 4 is the
On one partition 104, both ends pass through first partition 104 and are respectively protruding into inlet wire cable vault 101 and disconnecting switch room 102, protrude into
One end in inlet wire cable vault 101 is electrically connected with inlet wire cable 1, protrudes into 2 electricity of one end in disconnecting switch room 102 and disconnecting switch
Connection, traditional conducting wire, conductive column or conductive sheet, which can be used, in the first connector 4 connects inlet wire cable 1 and disconnecting switch 2 electrically
It connects.
Similarly, outlet cable room 103 is for placing outlet cable 3, can the bottom of outlet cable room 103, side or
Top opens up second and passes through hole, is entered in outlet cable room 103 for outlet cable 3 by outside.
Second connector 5 is used to connect the leading-out terminal 2b of outlet cable 3 and disconnecting switch.The setting of second connector 5 is the
On two partitions 105, both ends pass through second partition 105 and are respectively protruding into outlet cable room 103 and disconnecting switch room 102, protrude into
One end in outlet cable room 103 is electrically connected with outlet cable 3, protrudes into 2 electricity of one end in disconnecting switch room 102 and disconnecting switch
Connection, traditional conducting wire, conductive column or conductive sheet, which can also be used, in the second connector 5 connects outlet cable 3 and disconnecting switch 2 electrically
It connects.
A kind of outdoor high-voltage isolating switch case provided by the embodiment of the utility model, by the way that three will be separated into cabinet 100
It is a place respectively inlet wire cable 1, outlet cable 3, disconnecting switch 2 chamber, be separated by partition between each chamber and mutual
It is independent, each electrification interval is separated, other electrification intervals will not be strayed into when ensure that service personnel's maintenance and are touched
Electrification is guaranteed on degree of protection, in electric property, in operational safety, meets relevant standards and specifications.
Based on the above embodiment, in the present embodiment, the first connector 4 includes: inlet wire cable socket 41 and incoming line plug 42；
Inlet wire cable socket 41 is arranged in first partition 104, and inlet wire cable socket 41 includes: the protruded into inlet wire cable vault 101
One plug division 411 and protrude into the first connecting portion 412 in disconnecting switch room 102；First connecting portion 412 is electrically connected to disconnecting switch
End of incoming cables 2a；Inlet wire cable 1 is by 411 grafting of incoming line plug 42 and the first plug division, so that inlet wire cable 1 is connect with first
Portion 412 is electrically connected；Second connector 5 includes: outlet cable socket 51 and outgoing line plug 52；Outgoing line plug 52 connects outlet electricity
Cable 3；Outlet cable socket 51 is arranged on second partition 105, and outlet cable socket 51 includes: to protrude into outlet cable room 103
The second plug division 511 and protrude into the second connecting portion 512 in disconnecting switch room 102；Second connecting portion 512 is electrically connected to isolation
The leading-out terminal 2b of switch；Outlet cable 3 is by 511 grafting of outgoing line plug 52 and the second plug division, so that outlet cable 3 and second
Interconnecting piece 512 is electrically connected.
Specifically, Fig. 3 is the structure of one embodiment of inlet wire cable socket of the utility model outdoor high-voltage isolating switch case
Schematic diagram；The inlet wire cable socket 41 includes: the first plug division 411 and first connecting portion 412, the first plug division 411 and first
Interconnecting piece 412 is connected as one by being placed in the mounting base 413 among the two.First partition 104 is equipped with through-hole, inlet wire cable
Socket 41 crosses the through-hole, and in the through hole by the installation of mounting base 413, the first plug division 411 of inlet wire cable socket 41
Inlet wire cable vault 101 is respectively placed in, in disconnecting switch room 102 with first connecting portion 412.
Further, the first plug division 411 includes: the shell being fixed in mounting base 413, is equipped with the first jack in shell
411a；The first conductive column, such as copper post etc. of traditional conductive energy can be used in first connecting portion 412, and mounting base 413 is set
Have the mounting hole for fixing the first conductive column, one end of the first conductive column is placed in disconnecting switch room 102, the settable copper bar in end with
The end of incoming cables 2a connection of disconnecting switch, the other end of the first conductive column, which passes through mounting hole and protrudes into the first of the first plug division 411, to be inserted
In the 411a of hole.
Incoming line plug 42 is located in inlet wire cable vault 101, and cable connector known to this field can be used, in the cable connector
Equipped with conductive connecting terminal, inlet wire cable 1 is penetrated in inlet wire cable vault 101 wiring for accessing cable connector by outside
In terminal, cable connector, which is inserted into the first jack 411a, is electrically connected connecting terminal with the first conductive column.
Settable internal screw thread in first jack 411a, incoming line plug 42 can be used external thread type cable known to this field and connect
Head, incoming line plug 42 can be threadedly engaged with the first plug division 411 and connect.
Similarly, outlet cable socket 51 is similar with the structure of inlet wire cable socket 41, outgoing line plug 52 and incoming line plug
42 structure is similar, and details are not described herein.1 connector of inlet wire cable and 3 connector of outlet cable use plug-in connection type, a side
Face is easy to connect, on the other hand can avoid causing the accidents such as short circuit when constructing not in place since the horizontal level of construction personnel is uneven.
It is made in addition, insulating materials can be used in the shell of cable connector, easy access personnel touch plug cable connector, increase personnel's
Safety.
In the above embodiments, in the present embodiment, inlet wire bracket 6 is equipped in inlet wire cable vault 101, incoming line plug 42 is solid
It is scheduled on 6 top of inlet wire bracket, inlet wire channel is equipped in inlet wire bracket 6, it is across hole and logical by inlet wire that inlet wire cable 1 passes through first
Road accesses in incoming line plug 42；It is equipped with line bracket 7 in outlet cable room 103, outgoing line plug 52 is fixed on out the top of line bracket 7
Portion, is equipped with line passage out in line bracket 7, outlet cable 3 passes through second and passes through hole and access outgoing line plug by going out line passage
In 52.
Specifically, inlet wire cable 1 generally includes zero curve, firewire, ground wire, settable three inlet wires in inlet wire cable vault 101
Bracket 6 is respectively used to be laid with zero curve, firewire, ground wire.Each inlet wire bracket 6 is vertically arranged in inlet wire cable vault 101, and can
It is fixed in first partition 104 and is fixed by fixing clamp 61, avoided because of shake caused by cable is too long.Each inlet wire branch
The top of frame 6 is correspondingly arranged an incoming line plug 42 respectively, and incoming line plug 42 is arranged in a mutually vertical manner with inlet wire bracket 6, bottom
Equipped with the through-hole being connected to inlet wire channel, zero curve, firewire, ground wire pass through corresponding inlet wire channel access incoming line plug 42 respectively
It is interior, while three inlet wire cable sockets 41 corresponding with incoming line plug 42 are fixed in first partition 104, incoming line plug 42 is laterally inserted
Enter in corresponding first plug division 411.
Similarly, out line bracket 7, outgoing line plug 52 and outlet cable socket 51 respectively with line bracket 7, outgoing line plug out
52,51 structure of outlet cable socket is similar, and details are not described herein.Wherein, the difference is that, 6 height of inlet wire bracket is higher than
Line bracket 7, such as 6 height of inlet wire bracket are 1523mm, and 7 height of line bracket is 753mm out, and wiring height meets organization of human body,
Connecting cable is simple and convenient.The zero curve of inlet wire cable 1 and outlet cable 3, firewire, ground wire are respectively adopted bracket and are laid with, can
It avoids harness misplaced in a jumble, improves space utilization rate.
In the above embodiments, metallic conduction plate can be used in first partition 104 and second partition 105；Cabinet 100 can
It being made using 2mm thickness SUS stainless steel plate by flexible production line, 100 inner wall of cabinet is process using 2mm thickness aluminum clad zinc plate,
Degree of protection reaches IP54, while corrosion resistance is strong, can play the effects of rain-proof dust-proof.It is also settable in cabinet 100 to keep away
Thunder device 9, for the end of incoming cables 2a or leading-out terminal of overcurrent protection disconnecting switch, one end and the second connecting portion 512 of arrester 9 are electrically connected
Connect, the other end is connect with first partition 104 or second partition 105, arrester 9 can the route to disconnecting switch 2 carried out electricity
Protection.
In the above embodiments, in the present embodiment, inlet wire cable vault 101, disconnecting switch room 102 and outlet cable room
103 settable switch gates, in order to service personnel's maintenance.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of outdoor high-voltage isolating switch case, including cabinet, which is characterized in that include: inlet wire electricity in the cavity of the cabinet
Cable room, disconnecting switch room and outlet cable room；The inlet wire cable vault and outlet cable room are located at the disconnecting switch room
Two sides；
It is separated between the inlet wire cable vault and the disconnecting switch room by first partition；
It is separated between the outlet cable room and the disconnecting switch room by second partition；
The indoor inlet wire cable of inlet wire cable passes through the first partition and the disconnecting switch room by the first connector
The end of incoming cables of interior disconnecting switch is electrically connected；
The indoor outlet cable of outlet cable passes through the second partition and the disconnecting switch room by the second connector
The leading-out terminal of interior disconnecting switch is electrically connected.
2. outdoor high-voltage isolating switch case according to claim 1, which is characterized in that first connector include: into
Line cable socket and incoming line plug；
The inlet wire cable socket is arranged in the first partition, and the inlet wire cable socket includes: to protrude into the inlet wire electricity
Indoor first plug division of cable and protrude into the indoor first connecting portion of the disconnecting switch；The first connecting portion is electrically connected to institute
State the end of incoming cables of disconnecting switch；The inlet wire cable is by the incoming line plug and first plug division grafting, so that described
Inlet wire cable and the first connecting portion are electrically connected；
Second connector includes: outlet cable socket and outgoing line plug；The outgoing line plug connects the outlet cable；
The outlet cable socket is arranged on the second partition, and the outlet cable socket includes: to protrude into the outlet electricity
Indoor second plug division of cable and protrude into the indoor second connecting portion of the disconnecting switch；The second connecting portion is electrically connected to institute
State the leading-out terminal of disconnecting switch；The outlet cable is by the outgoing line plug and second plug division grafting, so that described
Outlet cable is electrically connected with the second connecting portion.
3. outdoor high-voltage isolating switch case according to claim 2, which is characterized in that first plug division is equipped with first
Jack；The incoming line plug is external thread type cable connector, is connect with the first jack matching thread；The first connecting portion
The first conductive column for extending in first jack for one end, being electrically connected with the incoming line plug；
Second plug division is equipped with the second jack, and the outgoing line plug is external thread type cable connector, with second jack
Matching thread connection；The second connecting portion is that one end extends in second jack, is electrically connected with the outgoing line plug
Second conductive column.
4. outdoor high-voltage isolating switch case according to claim 3, which is characterized in that the end of first conductive column is logical
Copper bar is crossed to be electrically connected with the end of incoming cables of the disconnecting switch；The end of second conductive column passes through copper bar and the disconnecting switch
Leading-out terminal electrical connection.
5. outdoor high-voltage isolating switch case according to claim 2, which is characterized in that the inlet wire cable vault is equipped with for institute
It states inlet wire cable passes through first and passes through hole；The outlet cable room is respectively equipped with second passed through for the outlet cable and passes through
Hole.
6. outdoor high-voltage isolating switch case according to claim 5, which is characterized in that in the inlet wire cable vault be equipped with into
Line bracket, the incoming line plug are fixed on the inlet wire cradle top, are equipped with inlet wire channel, the inlet wire in the inlet wire bracket
Cable passes through described first and passes through hole and accessed in the incoming line plug by the inlet wire channel；
It is equipped with line bracket in the outlet cable room, the outgoing line plug is fixed on the outlet cradle top, the outlet
Line passage out is equipped in bracket, the outlet cable passes through described second across hole and by going out described in the access of line passage out
In line plug.
7. outdoor high-voltage isolating switch case according to claim 1, which is characterized in that the first partition and second partition
Respectively metallic conduction plate；The cabinet is cabinet made of stainless steel material, and the cabinet wall is aluminum wall.
8. outdoor high-voltage isolating switch case according to claim 1, which is characterized in that be additionally provided in the disconnecting switch room
The breaker being electrically connected with the leading-out terminal of the disconnecting switch, and be set between the breaker and the disconnecting switch
Mechanical interlocks on route.
9. outdoor high-voltage isolating switch case according to claim 1, which is characterized in that be additionally provided in the disconnecting switch room
For the end of incoming cables of disconnecting switch described in overcurrent protection or the arrester of leading-out terminal.
10. outdoor high-voltage isolating switch case according to claim 1, which is characterized in that the inlet wire cable vault keeps apart
It closes room and outlet cable room is respectively equipped with switch gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821627330.3U CN209071935U (en) | 2018-10-08 | 2018-10-08 | A kind of outdoor high-voltage isolating switch case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821627330.3U CN209071935U (en) | 2018-10-08 | 2018-10-08 | A kind of outdoor high-voltage isolating switch case |
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| Publication Number | Publication Date |
|---|---|
| CN209071935U true CN209071935U (en) | 2019-07-05 |
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ID=67094230
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821627330.3U Active CN209071935U (en) | 2018-10-08 | 2018-10-08 | A kind of outdoor high-voltage isolating switch case |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256712A (en) * | 2018-10-08 | 2019-01-22 | 中铁第四勘察设计院集团有限公司 | A kind of outdoor high-voltage isolating switch case |
-
2018
- 2018-10-08 CN CN201821627330.3U patent/CN209071935U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256712A (en) * | 2018-10-08 | 2019-01-22 | 中铁第四勘察设计院集团有限公司 | A kind of outdoor high-voltage isolating switch case |
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