CN212033621U - 12kV handcart type double-bus high-voltage switch equipment - Google Patents
12kV handcart type double-bus high-voltage switch equipment Download PDFInfo
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- CN212033621U CN212033621U CN202021166917.6U CN202021166917U CN212033621U CN 212033621 U CN212033621 U CN 212033621U CN 202021166917 U CN202021166917 U CN 202021166917U CN 212033621 U CN212033621 U CN 212033621U
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- 238000002955 isolation Methods 0.000 claims abstract description 35
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- 239000011787 zinc oxide Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- FJMNNXLGOUYVHO-UHFFFAOYSA-N aluminum zinc Chemical compound [Al].[Zn] FJMNNXLGOUYVHO-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a 12kV handcart-type double-bus high-voltage switch device, wherein, the cabinet body comprises a vacuum circuit breaker chamber, an upper supporting isolation space, a main conductive loop bus chamber, a standby conductive loop bus chamber and a cable chamber; the vacuum circuit breaker is arranged in a vacuum circuit breaker chamber, the branch bus is arranged in the upper support isolation space, the main conductive loop isolation switch is arranged in the main conductive loop bus chamber, the standby conductive loop isolation switch is arranged in the standby conductive loop bus chamber, and the manual operating mechanism is arranged in a cable chamber; the main conductive circuit comprises a main bus, a main conductive circuit isolating switch, a branch bus, a vacuum circuit breaker and a lower outgoing line branch row which are sequentially connected, the standby conductive circuit comprises a main bus, a standby conductive circuit isolating switch, a branch bus, a vacuum circuit breaker and a lower outgoing line branch row which are sequentially connected, and the manual operation mechanism is connected with the main conductive circuit isolating switch and the standby conductive circuit isolating switch. Can ensure the continuity of power supply and the safe use performance.
Description
Technical Field
The utility model relates to a high-voltage electrical equipment technical field especially relates to a 12kV handcart-type double bus high tension switchgear.
Background
The existing single-bus system high-voltage switch equipment in the industry cannot meet the requirements of important power supply places on power supply continuity and safe use performance.
Therefore, how to provide a 12kV handcart type double-bus high-voltage switch device to ensure the continuity of power supply and the safety use performance is a technical problem to be solved urgently by those skilled in the art at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a 12kV handcart-type double bus high tension switchgear to guarantee power supply continuity and safety performance.
In order to achieve the above object, the utility model provides a following technical scheme:
a12 kV handcart type double-bus high-voltage switch device comprises a cabinet body, a vacuum circuit breaker, branch buses, a standby conductive loop isolating switch, a main bus, a lower outlet branch row and a manual operation mechanism,
the cabinet body comprises a vacuum circuit breaker chamber, an upper supporting row isolation space, a main conductive loop bus chamber, a standby conductive loop bus chamber and a cable chamber,
the main conductive circuit bus chamber and the standby conductive circuit bus chamber are arranged adjacently, the upper support isolation space is arranged below the main conductive circuit bus chamber, and the vacuum circuit breaker chamber is arranged on one side of the main conductive circuit bus chamber;
the vacuum circuit breaker is arranged in the vacuum circuit breaker chamber, the branch bus is arranged in the upper support isolation space, the main conductive loop isolation switch is arranged in the main conductive loop bus chamber, the standby conductive loop isolation switch is arranged in the standby conductive loop bus chamber, and the manual operation mechanism is arranged in the cable chamber;
the main conductive circuit comprises the main bus, the main conductive circuit isolating switch, the branch bus, the vacuum circuit breaker and the lower outlet branch row which are connected in sequence,
the standby conductive loop comprises the main bus, the standby conductive loop disconnecting switch, the branch bus, the vacuum circuit breaker and the lower outlet branch row which are connected in sequence,
the manual operation mechanism comprises a first manual operation mechanism and a second manual operation mechanism, the first manual operation mechanism is connected with the main conductive circuit isolating switch, and the second manual operation mechanism is connected with the standby conductive circuit isolating switch.
Preferably, the 12kV handcart type double-bus high-voltage switch equipment further comprises a current transformer and a zero sequence current transformer,
the current transformer and the zero sequence current transformer are arranged in the cable chamber,
and the vacuum circuit breaker is sequentially connected with the current transformer, the lower outlet branch and the zero sequence current transformer.
Preferably, the vacuum circuit breaker is a withdrawable vacuum circuit breaker.
Preferably, an earthing switch is disposed in the cable chamber, and the current transformer is connected to the earthing switch.
Preferably, a main bus-to-main bus bushing is arranged in the cabinet body, and the branch bus penetrates through the main bus-to-main bus bushing.
Preferably, the inter-main-busbar bus bushings include three and three inter-main-busbar bus bushings located at three corner points of an equilateral triangle.
Preferably, the cabinet further comprises an instrument chamber for placing instruments, and the instrument chamber is located on one side of the vacuum circuit breaker chamber.
Preferably, the cabinet body is provided with a bus sleeve for isolating the lower opening,
and connecting circuits of the branch bus, the standby conductive circuit isolating switch and the main conductive circuit isolating switch are respectively arranged in the isolating lower port bus sleeve in a penetrating way.
Preferably, a zinc oxide arrester is disposed in the cable chamber.
Preferably, an embedded box frame is arranged on the cable chamber, the manual operating mechanism is installed in the embedded box frame, and a door body of the embedded box frame is a vertical door.
The 12kV handcart type double-bus high-voltage switch equipment provided by the utility model comprises a cabinet body, a vacuum circuit breaker, a branch bus, a standby conductive loop isolating switch, a main bus, a lower outgoing line branch row and a manual operation mechanism, wherein,
the cabinet body comprises a vacuum circuit breaker chamber, an upper supporting row isolation space, a main conductive loop bus chamber, a standby conductive loop bus chamber and a cable chamber,
the main conductive circuit bus chamber and the standby conductive circuit bus chamber are arranged adjacently, the upper support isolation space is arranged below the main conductive circuit bus chamber, and the vacuum circuit breaker chamber is arranged on one side of the main conductive circuit bus chamber;
the vacuum circuit breaker is arranged in the vacuum circuit breaker chamber, the branch bus is arranged in the upper support isolation space, the main conductive loop isolation switch is arranged in the main conductive loop bus chamber, the standby conductive loop isolation switch is arranged in the standby conductive loop bus chamber, and the manual operation mechanism is arranged in the cable chamber;
the main conductive circuit comprises the main bus, the main conductive circuit isolating switch, the branch bus, the vacuum circuit breaker and the lower outlet branch row which are connected in sequence,
the standby conductive loop comprises the main bus, the standby conductive loop disconnecting switch, the branch bus, the vacuum circuit breaker and the lower outlet branch row which are connected in sequence,
the manual operation mechanism comprises a first manual operation mechanism and a second manual operation mechanism, the first manual operation mechanism is connected with the main conductive circuit isolating switch, and the second manual operation mechanism is connected with the standby conductive circuit isolating switch.
The utility model provides a 12kV handcart-type double bus high tension switchgear, including two bus-bar rooms to independently arrange around two bus-bar rooms, carry out the shutting with the procedure lock between main conductive loop and the reserve bus-bar loop, after the circuit breaker disconnection, behind main conductive loop isolator separating brake, the procedure lock key side of isolator operating device department can be pulled out, inserts reserve conductive loop isolator carousel department and carries out the combined floodgate operation to reserve isolator. And the standby conductive loop isolating switch is switched off, and the main conductive loop isolating switch is switched on, otherwise. Meanwhile, only one path of connection between the main conductive loop and the standby bus loop is ensured.
The utility model provides a 12kV handcart-type double bus high tension switchgear can guarantee power supply continuity and safety performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the embodiment of the utility model provides a 12kV handcart-type double bus high tension switchgear's structural schematic.
In the above FIG. 1:
the intelligent isolation cabinet comprises a cabinet body 1, a vacuum circuit breaker 2, a contact box 3, a branch bus 4, an isolation lower opening bus sleeve 5, a standby conductive loop isolation switch 6, a main conductive loop isolation switch 7, a main inter-bus sleeve 8, a main bus 9, a manual operation mechanism 10, a current transformer 11, a grounding switch 12, a zinc oxide arrester 13, a zero sequence current transformer 14, an instrument room A, a vacuum circuit breaker room B, an upper supporting row isolation space C, a main conductive loop bus room D, a standby conductive loop bus room E and a cable room F.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a 12kV handcart-type double-bus high-voltage switch apparatus provided in an embodiment of the present invention.
The 12kV handcart type double-bus high-voltage switch equipment provided by the embodiment of the utility model comprises a cabinet body 1, a vacuum circuit breaker 2, a branch bus 4, a standby conductive circuit isolating switch 6, a main conductive circuit isolating switch 7, a main bus 9, a lower outlet branch row and a manual operation mechanism 10, wherein,
the cabinet body 1 comprises a vacuum circuit breaker chamber B, an upper supporting row isolation space C, a main conductive loop bus chamber D, a standby conductive loop bus chamber E and a cable chamber F,
the main conductive loop bus chamber D and the standby conductive loop bus chamber E are arranged adjacently, the upper support isolation space C is arranged below the main conductive loop bus chamber D, and the vacuum circuit breaker chamber B is arranged on one side of the main conductive loop bus chamber D;
the vacuum circuit breaker 2 is arranged in a vacuum circuit breaker chamber B, the branch bus 4 is arranged in an upper support isolation space C, the main conductive loop isolation switch 7 is arranged in a main conductive loop bus chamber D, the standby conductive loop isolation switch 6 is arranged in a standby conductive loop bus chamber E, and the manual operation mechanism 10 is arranged in a cable chamber F;
the main conductive circuit comprises a main bus 9, a main conductive circuit isolating switch 7, a branch bus 4, a vacuum circuit breaker 2 and a lower outlet branch row which are connected in sequence,
the standby conductive loop comprises a main bus 9, a standby conductive loop isolating switch 6, a branch bus 4, a vacuum circuit breaker 2 and a lower outlet branch row which are connected in sequence,
the manual operating mechanism 10 comprises a first manual operating mechanism and a second manual operating mechanism, the first manual operating mechanism is connected with the main conductive circuit isolating switch 7, and the second manual operating mechanism is connected with the standby conductive circuit isolating switch 6.
The embodiment of the utility model provides a 12kV handcart-type double bus high tension switchgear, including two bus-bar rooms to independently arrange around two bus-bar rooms, carry out the shutting with the procedure lock between main conductive loop and the reserve bus-bar loop, after the circuit breaker disconnection promptly, after main conductive loop isolator separating brake, the procedure lock key side of isolator operating device department can be pulled out, inserts reserve conductive loop isolator carousel department and carries out the combined floodgate operation to reserve isolator. And the standby conductive loop isolating switch is switched off, and the main conductive loop isolating switch is switched on, otherwise. Meanwhile, only one path of connection between the main conductive loop and the standby bus loop is ensured.
The embodiment of the utility model provides a 12kV handcart-type double bus high tension switchgear can guarantee power supply continuity and safety performance.
In order to further optimize the scheme, the 12kV handcart type double-bus high-voltage switch device further comprises a current transformer 11 and a zero-sequence current transformer 14,
the current transformer 11 and the zero sequence current transformer 14 are mounted to the cable chamber F,
the vacuum circuit breaker 2 is connected with a current transformer 11, a lower outlet branch and a zero sequence current transformer 14 in sequence.
In particular, the vacuum interrupter 2 is a withdrawable vacuum interrupter.
In order to further optimize the above solution, an earthing switch 12 is provided in the cable chamber F, and the current transformer 11 is connected to the earthing switch 12.
In order to further optimize the scheme, a main inter-bus bushing 8 is arranged in the cabinet body 1, and the branch buses 4 penetrate through the main inter-bus bushing 8.
In order to further optimize the above solution, the inter-main bus bar sleeves 8 include three and three inter-main bus bar sleeves 8 located at three corner points of an equilateral triangle.
In order to further optimize the above solution, the cabinet 1 further includes an instrument chamber a for placing instruments, and the instrument chamber a is located at one side of the vacuum circuit breaker chamber B.
In order to further optimize the scheme, an isolated lower port bus sleeve 5 is arranged in the cabinet body 1,
the connection lines of the branch bus 4, the standby conductive circuit isolating switch 6 and the main conductive circuit isolating switch 7 are respectively arranged in an isolating lower port bus sleeve 5 in a penetrating way.
In order to further optimize the above solution, a zinc oxide arrester 13 is arranged in the cable chamber F.
In order to further optimize the scheme, an embedded box frame is arranged on the cable chamber F, the manual operating mechanism 10 is installed in the embedded box frame, and a door body of the embedded box frame is a vertical door.
The embodiment of the utility model provides a 12kV handcart-type double bus high tension switchgear:
1. the two bus chambers are independently arranged in front and at the back, the upper support bar is connected with the upper contact through a bus sleeve, and the delta-shaped structure of the main bus can realize the overhead bridge-aligning function;
2. the isolating switch operating mechanism, namely the manual operating mechanism 10 is arranged in the embedded box frame, and the outer vertical door can realize the protection grade of the cabinet body at the same time, so that the cabinet is attractive and practical;
3. the special design of the connecting plate on the operating mechanism ensures the air gap between the pull rod and the support bar in the cabinet;
4. the designed cabinet has complete and complete locking function, and can reliably realize forward and reverse locking between the circuit breaker and the isolating switch operating mechanism, locking between the main conductive loop and the standby conductive loop, and locking between the double-bus outgoing line cabinet and the double-bus incoming line cabinet;
5. compact structure, flexible operation and safe use and maintenance.
The embodiment of the utility model provides a 12kV handcart-type double bus high tension switchgear is applicable to among the double bus distribution system in important power supply place.
In the prior art, the existing single-bus system high-voltage switch equipment in the industry cannot meet the requirements of important power supply places on power supply continuity and safety performance. The utility model aims at providing a 12kV handcart-type double bus high tension switchgear is in order to solve above-mentioned technical problem.
The embodiment of the utility model provides a 12kV handcart-type double bus high tension switchgear is in order to realize above-mentioned purpose, when concrete implementation, adopts following technical scheme:
the intelligent isolation cabinet comprises a cabinet body 1, a vacuum circuit breaker 2, branch buses 4, an isolation lower opening bus sleeve 5, a standby conductive loop isolation switch 6, a main conductive loop isolation switch 7, a main inter-bus sleeve 8, a main bus 9, a manual operation mechanism 10, a current transformer 11, a grounding switch 12, a zinc oxide arrester 13, a zero sequence current transformer 14 and a lower outlet branch row.
The cabinet body 1 is divided into an instrument room A, a breaker room B, an upper support isolation space C, a main conductive loop bus room D, a standby conductive loop bus room E and a cable room F.
The vacuum circuit breaker 2 is arranged in the vacuum circuit breaker chamber B and is a movable vacuum circuit breaker; the vacuum circuit breaker 2 comprises two contact boxes 3, wherein one contact box is connected with a branch bus 4, the other contact box is connected with a current transformer 11, and the two contact boxes 3 and the branch bus 4 are arranged in an upper row isolation space C; the main conductive loop isolating switch 7, the main bus 9 and the bus sleeve 8 between the main buses are arranged in a main conductive loop bus chamber D; the standby conductive loop disconnecting switch 6, the main bus 9 and the bus sleeve 8 between the main buses are arranged in a standby conductive loop bus chamber E; the current transformer 11, the grounding switch 12, the zinc oxide arrester 13, the zero sequence current transformer 14 and the isolating switch operating mechanism, namely the manual operating mechanism 10 are all arranged in the cable chamber F.
The embodiment of the utility model provides an among the 12kV handcart-type double bus high tension switchgear, main conductive loop is arranged through advancing upper row, main conductive loop isolator 7, vacuum circuit breaker 2, current transformer 11, the branch row of being qualified for the next round of competitions down, zero sequence current transformer 14 etc. concatenates and constitutes by main conductive loop owner.
The embodiment of the utility model provides an among the 12kV handcart-type double bus high tension switchgear, reserve conductive circuit is by reserve conductive circuit owner arrange, go up the row, reserve conductive circuit isolator 6, vacuum circuit breaker 2, current transformer 11, be qualified for the next round of competitions a row, zero sequence current transformer 14 etc. concatenate and constitute.
The embodiment of the utility model provides an among the 12kV handcart-type double bus high tension switchgear, adopt the knife switch lock to realize the shutting function between vacuum circuit breaker 2 and the isolator.
The embodiment of the utility model provides a 12kV handcart-type double bus high tension switchgear has following advantage:
1. the cabinet body 1 is made of high-quality aluminum-zinc coated steel plates, a bending assembly type structure is adopted, and plates are processed by numerical control equipment to ensure the material precision, so that the high precision of the cabinet body 1 is achieved, and the overall dimension of the cabinet body 1 is 1000 multiplied by 2200 multiplied by 2980;
2. the isolating switch is internally matched with the currently domestic dominant ZN63A-12 series handcart type circuit breaker, and an insulating part of the isolating switch is made of epoxy resin, so that the insulating property is effectively enhanced;
3. the circuit breaker and the isolating switch operating mechanism are electrically locked to realize forward and reverse locking, the isolating switch operating mechanism cannot be operated when the circuit breaker is switched on, and the main conductive circuit isolating switch 7 can realize switching-on and switching-off operations only when the circuit breaker is switched off. Meanwhile, when the main conductive circuit isolating switch 7 and the standby conductive circuit isolating switch 6 are both switched off, the circuit breaker cannot be moved to a working position from a test position and is switched on;
4. the main conductive loop and the standby conductive loop are locked by a program lock, namely after the circuit breaker is disconnected and the isolating switch 7 of the main conductive loop is switched off, a program lock key at the operating mechanism of the isolating switch can be pulled out and inserted into the turntable of the isolating switch 6 of the standby conductive loop to carry out switching-on operation on the standby isolating switch. And the standby conductive circuit isolating switch 6 is switched off, and the main conductive circuit isolating switch 7 is switched on, otherwise. Meanwhile, only one path of connection between the main conductive loop and the standby conductive loop is ensured;
5. the rear door of the cabinet body 1 and the grounding switch realize an interlocking function, so that the grounding switch 12 cannot be opened in a chamber, and the grounding switch cannot be operated when the rear door is opened;
6. the structure of the cabinet body 1 is specially designed, and the protection grade of an armored handcart type high-voltage cabinet shell is IP4X, and the grade between inner compartments of the cabinet is IP 2X;
the embodiment of the utility model provides a 12kV handcart-type double bus high tension switchgear, the operation order is:
1. power transmission operation sequence:
and operating the standby conductive circuit isolating switch 6 to an opening position, closing the rear door after the main conductive circuit isolating switch 7 is in a closing position, closing the front door, opening the grounding switch 12, swinging the circuit breaker from the test position to the working position, and carrying out power transmission and closing operation.
2. Power failure operation sequence:
the corresponding circuit breaker is firstly separated, the handcart returns to the test position from the working position, the circuit isolating switch is operated to open the brake, the grounding switch is switched to the switch-on position, the rear door is opened, and the front door is opened for maintenance.
3. And (3) putting the standby bus circuit into a sequence when the main conductive circuit fails:
the circuit breaker is firstly separated and returned to the test position from the working position, then the grounding switch 12 is operated to switch on, the back door is opened, the front door is opened, the main conductive circuit isolating switch 7 is operated to the switch-off position, the program lock key is pulled down and inserted into the standby conductive circuit isolating mechanism operation turntable, and the standby conductive circuit isolating switch 6 is operated to the switch-on position and then operated according to the power transmission operation sequence.
4. After the fault of the main conductive loop is eliminated, the main conductive loop is allowed to be put into a main conductive loop sequence:
the circuit breaker is firstly separated and returned to the test position from the working position, then the grounding switch is operated to switch on, the back door is opened, the front door is opened, the standby conductive circuit isolating switch 6 is operated to the switch-off position, the program lock key is pulled down and inserted into the main conductive circuit isolating mechanism to operate the turntable, and the main conductive circuit isolating switch 7 is operated to the switch-on position and then operated according to the power transmission operation sequence.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A12 kV handcart type double-bus high-voltage switch device is characterized by comprising a cabinet body (1), a vacuum circuit breaker (2), a branch bus (4), a standby conductive loop isolating switch (6), a main conductive loop isolating switch (7), a main bus (9), a lower outlet branch row and a manual operation mechanism (10),
the cabinet body (1) comprises a vacuum circuit breaker chamber (B), an upper supporting row isolation space (C), a main conductive loop bus chamber (D), a standby conductive loop bus chamber (E) and a cable chamber (F),
the main conductive loop bus chamber (D) and the standby conductive loop bus chamber (E) are arranged adjacently, the upper supporting row isolation space (C) is arranged below the main conductive loop bus chamber (D), and the vacuum circuit breaker chamber (B) is arranged on one side of the main conductive loop bus chamber (D);
the vacuum circuit breaker (2) is installed in the vacuum circuit breaker chamber (B), the branch bus (4) is installed in the upper supporting row isolation space (C), the main conductive loop isolation switch (7) is installed in the main conductive loop bus chamber (D), the standby conductive loop isolation switch (6) is installed in the standby conductive loop bus chamber (E), and the manual operation mechanism (10) is installed in the cable chamber (F);
the main conductive circuit comprises the main bus (9), the main conductive circuit isolating switch (7), the branch bus (4), the vacuum circuit breaker (2) and the lower outlet branch row which are connected in sequence,
the standby conductive loop comprises the main bus (9), the standby conductive loop disconnecting switch (6), the branch bus (4), the vacuum circuit breaker (2) and the lower outlet branch row which are connected in sequence,
the manual operation mechanism (10) comprises a first manual operation mechanism and a second manual operation mechanism, the first manual operation mechanism is connected with the main conductive circuit isolating switch (7), and the second manual operation mechanism is connected with the standby conductive circuit isolating switch (6).
2. A12 kV handcart-type double-bus high-voltage switchgear according to claim 1, further comprising a current transformer (11) and a zero-sequence current transformer (14),
the current transformer (11) and the zero sequence current transformer (14) are arranged in the cable chamber (F),
the vacuum circuit breaker (2) is sequentially connected with the current transformer (11), the lower outlet branch and the zero sequence current transformer (14).
3. 12kV handcart-type double bus high-voltage switchgear according to claim 2, characterized in that the vacuum circuit breaker (2) is a withdrawable vacuum circuit breaker.
4. A 12kV handcart type double-bus high-voltage switch equipment according to claim 2, characterized in that an earthing switch (12) is arranged in the cable chamber (F), and the current transformer (11) is connected with the earthing switch (12).
5. A12 kV handcart type double-bus high-voltage switch equipment according to claim 4, wherein a main inter-bus bushing (8) is arranged in the cabinet body (1), and the branch buses (4) are arranged in the main inter-bus bushing (8) in a penetrating way.
6. 12kV handcart-type double-bus high-voltage switch equipment according to claim 5, wherein the inter-main-bus bar bushings (8) comprise three and three inter-main-bus bar bushings (8) located at three corner points of an equilateral triangle.
7. 12kV handcart-type double-bus high-voltage switch equipment according to claim 1, characterized in that the cabinet body (1) further comprises an instrument room (a) for placing instruments, the instrument room (a) is located at one side of the vacuum circuit breaker room (B).
8. A12 kV handcart-type double-bus high-voltage switch equipment as claimed in claim 1, wherein the cabinet body (1) is provided with an isolated lower port bus sleeve (5),
and the branch bus (4) and the connecting circuit of the standby conductive loop isolating switch (6) and the main conductive loop isolating switch (7) are respectively arranged in the isolated lower port bus sleeve (5) in a penetrating way.
9. 12kV handcart-type double bus high-voltage switchgear according to claim 1, characterized in that a zinc oxide arrester (13) is arranged in the cable chamber (F).
10. The 12kV handcart-type double-bus high-voltage switch equipment as claimed in claim 1, wherein the cable chamber (F) is provided with an embedded box frame, the manual operating mechanism (10) is installed in the embedded box frame, and a door body of the embedded box frame is a vertical door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021166917.6U CN212033621U (en) | 2020-06-22 | 2020-06-22 | 12kV handcart type double-bus high-voltage switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021166917.6U CN212033621U (en) | 2020-06-22 | 2020-06-22 | 12kV handcart type double-bus high-voltage switch equipment |
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| Publication Number | Publication Date |
|---|---|
| CN212033621U true CN212033621U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021166917.6U Active CN212033621U (en) | 2020-06-22 | 2020-06-22 | 12kV handcart type double-bus high-voltage switch equipment |
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| CN (1) | CN212033621U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659446A (en) * | 2021-09-29 | 2021-11-16 | 山东泰开成套电器有限公司 | Double-bus high-voltage switch cabinet and assembling mode |
| CN114825086A (en) * | 2022-04-22 | 2022-07-29 | 江苏安赫电气有限公司 | High-voltage power distribution cabinet of double-bus system |
| CN115332005A (en) * | 2022-09-09 | 2022-11-11 | 江苏东源电器集团股份有限公司 | Double-bus integrated isolating switch with locking structure and use method thereof |
-
2020
- 2020-06-22 CN CN202021166917.6U patent/CN212033621U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659446A (en) * | 2021-09-29 | 2021-11-16 | 山东泰开成套电器有限公司 | Double-bus high-voltage switch cabinet and assembling mode |
| CN113659446B (en) * | 2021-09-29 | 2024-08-16 | 山东泰开成套电器有限公司 | Double-bus high-voltage switch cabinet and assembly mode |
| CN114825086A (en) * | 2022-04-22 | 2022-07-29 | 江苏安赫电气有限公司 | High-voltage power distribution cabinet of double-bus system |
| CN115332005A (en) * | 2022-09-09 | 2022-11-11 | 江苏东源电器集团股份有限公司 | Double-bus integrated isolating switch with locking structure and use method thereof |
| CN115332005B (en) * | 2022-09-09 | 2023-09-19 | 江苏东源电器集团股份有限公司 | Double-bus integrated isolating switch with locking structure and use method thereof |
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