CN114389190A - Centrally-mounted switch cabinet - Google Patents

Centrally-mounted switch cabinet Download PDF

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Publication number
CN114389190A
CN114389190A CN202111445077.6A CN202111445077A CN114389190A CN 114389190 A CN114389190 A CN 114389190A CN 202111445077 A CN202111445077 A CN 202111445077A CN 114389190 A CN114389190 A CN 114389190A
Authority
CN
China
Prior art keywords
contact
cabinet body
box
cavity
boxes
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.)
Pending
Application number
CN202111445077.6A
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Chinese (zh)
Inventor
黄分田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shengzhongyi Power Technology Co ltd
Original Assignee
Shengzhongyi Power Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shengzhongyi Power Technology Co ltd filed Critical Shengzhongyi Power Technology Co ltd
Priority to CN202111445077.6A priority Critical patent/CN114389190A/en
Publication of CN114389190A publication Critical patent/CN114389190A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00Switchgear having carriage withdrawable for isolation
    • H02B11/02Details
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32Mounting of devices therein

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)

Abstract

The invention provides a centrally-mounted switch cabinet which comprises a cabinet body, wherein the cabinet body comprises a cavity, the cavity is divided into an upper cavity and a lower cavity which are positioned at the front part of the cabinet body and a rear cavity which is positioned at the rear part of the cabinet body by a plurality of partition plates, a grounding switch, a contact box assembly, a parallel copper bar and a current transformer are respectively arranged in the rear cavity, the front end of the contact box assembly is fixedly arranged in the upper cavity in a penetrating way, the two ends of the parallel copper bar are fixedly arranged at the two sides of the cabinet body in a penetrating way, the grounding switch comprises a plurality of on-off mechanisms, the grounding switch and the current transformer are both arranged and fixed on the inner wall of one side of the rear cavity along the width direction of the cabinet body, the plurality of on-off mechanisms of the grounding switch are arranged in the front-back direction of the cabinet body, the current transformer is correspondingly arranged above each on-off mechanism, and the contact box assembly is positioned above the current transformer. The middle switch cabinet disclosed by the invention is not only simple in structure and high in safety, but also smaller in overall size.

Description

Centrally-mounted switch cabinet
Technical Field
The invention relates to a centrally-mounted switch cabinet.
Background
The existing centrally-installed switch cabinet generally comprises a cabinet body, wherein the cabinet body comprises a cavity, the cavity is divided into an upper cavity positioned at the front part of the cabinet body, a lower cavity and a rear cavity positioned at the rear part of the cabinet body by a plurality of partition plates, a handcart-type circuit breaker capable of being disassembled and assembled is arranged in the upper cavity, a cable is arranged in the lower cavity in a penetrating way, the cable extends to the outer side of the cabinet body through the bottom of the lower cavity, a grounding switch, a contact box, a conductive copper bar, a parallel copper bar, a current transformer and other components are arranged in the rear cavity, the grounding switch is installed and fixed at the rear part of the lower cavity and is provided with three on-off mechanisms connected with the cable, the three on-off mechanisms are arranged in the width direction of the cabinet body, each current on-off mechanism is correspondingly connected with three current transformers through the conductive copper bar, the three current transformers are also arranged in the width direction of the cabinet body, and are connected with the contact box through the conductive copper bar, the contact box is connected with the three parallel copper bars through the conductive copper bar. The mounting structure of the interior of the existing middle switch cabinet is complex, the internal space of the cabinet body is not reasonably utilized, and the overall size of the middle switch cabinet is large.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the middle-placed switch cabinet which is simple in structure, high in safety and smaller in size.
In order to achieve the purpose, the invention provides a middle-placed switch cabinet, which comprises a cabinet body, wherein the cabinet body comprises a cavity, the cavity is divided into an upper cavity and a lower cavity which are positioned in the front part of the cabinet body and a rear cavity which is positioned in the rear part of the cabinet body by a plurality of partition plates, a grounding switch, a contact box assembly, a parallel copper bar and a current transformer are respectively arranged in the rear cavity, the front end of the contact box assembly is fixedly arranged in the upper cavity in a penetrating way, two ends of the parallel copper bar are fixedly arranged on two sides of the cabinet body in a penetrating way, the grounding switch comprises a plurality of on-off mechanisms, the grounding switch and the current transformer are both arranged on the inner wall of one side of the rear cavity along the width direction of the cabinet body, the plurality of on-off mechanisms of the grounding switch are arranged in the front-back direction of the cabinet body, the number of the current transformers is the same as the on-off mechanisms and are correspondingly arranged above the on-off mechanisms, and each on-off mechanism is correspondingly connected with the current transformer through a first conductive copper bar, the contact box subassembly is located current transformer's top, and the contact box subassembly is including a plurality of contact boxes, and the rear end of a plurality of contact boxes is connected with current transformer, parallel connection copper bar respectively through the second conductive copper bar, the contact box is including the box body, and the box body is worn to establish and is provided with the jack at the front end of last cavity, and the rear end that the box body is located the back cavity is provided with the conductive insert who is connected with the cooperation of second conductive copper bar, and the box body rear end is provided with the recess that is used for holding second conductive copper bar and conductive insert junction, and the recess has first opening behind the box body, and the recess is provided with the second opening in box body one side.
Further, it is a plurality of the contact box equally divide into two sets ofly, and the contact box of every group contact box sets up along longitudinal arrangement, and two sets of contact boxes arrange the setting along the width direction of the cabinet body, and one of them group of contact box is connected with current transformer through the second copper bar that electrically conducts, and another group of contact box is connected with a plurality of copper bars that connect through the second copper bar that electrically conducts respectively, and a plurality of copper bars that connect set up along the vertical and range setting of fore-and-aft direction slope of the cabinet body.
Furthermore, the contact boxes and the current transformers are correspondingly connected in sequence along the cabinet body from bottom to top and from front to back respectively; the other group of contact boxes and the plurality of parallel copper bars are respectively and correspondingly connected in sequence along the arrangement sequence of the cabinet body from top to bottom and along the arrangement sequence of the cabinet body from front to back/top to bottom.
Furthermore, the second conductive copper bar used for connecting one group of contact boxes and the plurality of current transformers and the other group of contact boxes and the plurality of copper-connecting bars comprises two second conductive copper bars A which are straightly extended and arranged and at least two second conductive copper bars B which are extended in an arc shape, wherein the contact box at the lowest position in one group of contact boxes is connected with the current transformer at the most front position and the contact box at the highest position in the other group of contact boxes is connected with the copper-connecting bar at the most front/top position through the second conductive copper bar A, other contact boxes in one group of contact boxes are connected with other current transformers and other contact boxes in the other group of contact boxes are connected with other copper-connecting bars through the second conductive copper bar B, and the second conductive copper bars A are arranged in a penetrating way along the second opening of the groove, the second conductive copper bar B is arranged along the first opening of the groove in a penetrating mode.
Furthermore, the second opening extends towards the front end of the box body to form an extension opening communicated with one side of the insertion hole.
Further, the box body has a cylindrical external profile, the front end of the box body is further provided with a connecting seat, the connecting seat comprises a rectangular flange formed by extending towards the periphery of the box body, and a connecting hole is formed in the rectangular flange.
Further, the groove and the jack are both cylindrical structures, and the conductive insert is arranged in the center of the groove and the jack.
The invention has the beneficial effects that: the cabinet body has the advantages of simple and compact structure, reasonable internal structural layout, convenience in installation and higher safety performance, reasonably utilizes the internal space of the cabinet body, reduces the overall volume of the cabinet body, and particularly can effectively reduce the width of the cabinet body.
Drawings
Fig. 1 is a schematic view of an internal structure of a cabinet according to an embodiment of the present invention;
FIG. 2 is a rear view of the internal structure of the cabinet according to the embodiment of the present invention;
FIG. 3 is a schematic diagram of the connection of the contact box, the current transformer and the grounding switch according to the embodiment of the invention;
FIG. 4 is a schematic view of a contact box according to an embodiment of the invention;
FIG. 5 is a block diagram of a contact box according to an embodiment of the invention;
figure 6 is a cross-sectional view of a contact box according to an embodiment of the invention.
Detailed Description
The embodiment of the built-in switch cabinet of the invention is shown in figures 1-6: including the cabinet body 1, the cabinet body 1 is including the cavity, and the cavity is separated into by a plurality of baffles and is located the anterior last cavity 11 of the cabinet body 1, lower cavity 12 and is located the rear chamber 13 at cabinet body 1 rear portion, be provided with earthing switch 2, contact box subassembly in the rear chamber 13 respectively, and copper bar 3, current transformer 4, the front end of contact box subassembly is worn to establish and is fixed in last cavity 11, and be connected with the contact cooperation of handcart circuit breaker 5, and the both ends of copper bar 3 are worn to establish and are fixed in the both sides of the cabinet body 1, and copper bar 3 is used for the concatenation between the adjacent well-placed switch cabinet, earthing switch 2 is including a plurality of on-off mechanism 21, and on-off mechanism 21 is used for the break-make of control current, and these on-off mechanism 21 are driven by same drive shaft 22 and move, and drive shaft one end extends to be connected with the cooperation of the electric actuator in the lower cavity 12 in to can realize through electric drive earthing switch 2's divide-shut brake, the grounding switch 2 and the current transformers 4 are both installed and fixed on the inner wall of one side of the rear cavity 13 along the width direction of the cabinet body 1, a plurality of on-off mechanisms 21 of the grounding switch 2 are arranged and arranged along the front-back direction of the cabinet body 1, the number of the current transformers 4 is the same as that of the on-off mechanisms 21 and is correspondingly arranged above the on-off mechanisms 21, the plurality of current transformers 4 are also arranged and arranged along the front-back direction of the cabinet body 1 and are all installed and fixed on the inner wall of one side of the rear cavity 13 along the width direction of the cabinet body 1, the upper wiring end of each on-off mechanism 21 is correspondingly connected with the current transformer 4 through a first conductive copper bar 61, the lower wiring end of the on-off mechanism 21 is connected with a cable which is arranged in the rear cavity 13 through the bottom, the contact box assembly is located above the current transformers 4 and comprises a plurality of contact boxes 7, and the rear ends of the plurality of the contact boxes 7 are respectively connected with the current transformers 4 through second conductive copper bars 62, The contact box 7 comprises a box body 71, the box body 71 is arranged at the front end of the upper cavity 11 in a penetrating manner and provided with a jack 711, a fixed contact 73 is arranged in the jack 711, the jack 711 and the fixed contact 73 are used for being matched and inserted with a contact of a handcart circuit breaker in the upper cavity 11, a conductive insert 72 matched and connected with the second conductive copper bar 62 is arranged at the rear end of the box body 71 in the rear cavity 13, the rear end of the box body 71 is provided with a groove 712 for accommodating the joint of the second conductive copper bar 62 and the conductive insert 72, the groove 712 can improve the creepage distance between the adjacent contact boxes 7 and improve the safety, the groove 712 is provided with a first opening 7121 behind the box body 71, the groove 712 is provided with a second opening 7122 at one side of the box body 71, the first opening 7121 and the second opening 7122 are arranged to facilitate the connection of the second conductive copper bar 62 with the conductive insert 72 of the contact box 7 along different directions, the arrangement of the second copper conductive bars 62 with different structural layouts can be adapted.
Adopt above-mentioned structural layout design can reduce current transformer 4, earthing switch 2 and occupy to the space on the 1 width direction of the cabinet body, can the effectual width that reduces the cabinet body to also can make things convenient for the installation between above-mentioned part and the cabinet body one side inner wall fixed, convenient assembly and maintenance.
A plurality of contact box 7 is equally divided into two sets ofly, and the contact box 7 of every group contact box sets up along longitudinal arrangement, and two sets of contact boxes arrange the setting along the width direction of the cabinet body 1, and wherein a set of contact box 7 is connected with current transformer 4 through the second copper bar that conducts, and another group of contact box is connected with a plurality of copper bar 3 that connect through second copper bar 62 respectively, and a plurality of copper bar 3 that connect set up along the vertical and range setting of fore-and-aft direction slope of the cabinet body 1. Adopt two sets of contact boxes 7 to arrange along the 1 width direction of the cabinet body and set up and also can reduce the occupation to the 1 width direction space of the cabinet body, be used for respectively contact box 7 and connect between the copper bar 3, two sets of second conductive copper bars 62 that connect between contact box 7 and the current transformer 4 distribute along the 1 width direction of the cabinet body equally and set up, wiring structure is simple, compact, convenient assembly and maintenance, and a plurality of 3 rational utilization cabinet body spaces of copper bar that connect that the slant was arranged, can guarantee to have the sufficient distance that prevents the creepage between a plurality of copper bar 3 that connect.
The group of contact boxes 7 and the plurality of current transformers 4 are respectively and correspondingly connected in sequence along the arrangement sequence of the cabinet body 1 from bottom to top and along the arrangement sequence of the cabinet body 1 from front to back; another a set of contact box 7 and a plurality of copper bar 3 that connect in proper order respectively according to along the 1 from top to bottom arrangement order of the cabinet body, along the 1 from the preceding back/from top to bottom arrangement order of the cabinet body correspond the connection in proper order, adopt structural design like this can reduce the length of second conductive copper bar and make and can guarantee safe distance between the second conductive copper bar, wiring structure is compacter, simple, can improve the security.
The second copper busbar 62 for connecting one set of contact boxes 7 with the plurality of current transformers 4 and the other set of contact boxes 7 with the plurality of copper busbar 3 comprises two straight extending second copper busbars a621 and at least two arc extending second copper busbars B622, wherein the contact box 7 at the lowest position in one set of contact boxes 7 is connected with the current transformer 4 at the most front position and the contact box 7 at the highest position in the other set of contact boxes 7 is connected with the copper busbar 3 at the most front/top position through the second copper busbar a621, the other contact boxes 7 in one set of contact boxes 7 are connected with the other current transformers 4 and the other contact boxes 7 in the other set of contact boxes 7 are connected with the copper busbar 3 through the second copper busbar B622, the second copper busbars a621 penetrate through the second openings 7122 of the grooves 712, the second conductive copper bar B is arranged along the first opening 7121 of the groove 712 in a penetrating manner, so that the structure of the second conductive copper bar 62 can be simplified by the structural design, the second conductive copper bar 62 is convenient to process and manufacture, mutual interference between the adjacent second conductive copper bars 62 is not easy, and the distance between the adjacent second conductive copper bars 62 is enough to prevent creepage.
The second opening 7122 extends towards the front end of the box body 71 to form an extension opening 71221 communicated with one side of the jack 711, the arrangement of the extension opening 71221 facilitates observation of the contact connection condition of the handcart circuit breaker, and the heat dissipation effect of the contact connection position can be improved.
The box body 71 has a cylindrical external contour, the front end of the box body 71 is further provided with a connecting seat, the connecting seat comprises a rectangular flange 713 formed by extending towards the periphery of the box body 71, a connecting hole 7131 is formed in the rectangular flange 713, the connecting hole 7131 is used for penetrating and connecting a screw, and is conveniently connected and fixed with a partition plate between an upper cavity and a rear cavity of the cabinet body 1, the rectangular flange 713 can be conveniently connected and matched with adjacent contact boxes 7 through the structural design, so that the contact boxes 7 can be closely connected together as far as possible besides a certain distance, and the overall structure is more compact.
The groove 712 and the jack 711 are both of cylindrical structures, the conductive insert 72 is arranged at the center positions of the groove 712 and the jack 711, and the groove 712 and the jack 711 of the cylindrical structures can ensure that a stable distance is reserved between conductive parts such as contact inhibition contacts and the conductive insert 72 and the inner wall of the groove 12/the jack 11, so that the insulation reliability is improved.
The partition plate 710 is disposed between the groove 712 and the insertion hole 711 of the box body 71, the partition plate 710 includes a mounting hole 7101 for the conductive insert 72 to be fixedly inserted, the mounting hole 7101 and the conductive insert 72 are both cylindrical, and a through hole 721 is disposed at a central position of the conductive insert 72, so as to facilitate conductive connection between the stationary contact 73 and the conductive insert 72 and between the conductive insert 72 and the second conductive copper bar 62.
The above embodiment is only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims (7)

1. The utility model provides an in put cubical switchboard, including the cabinet body, the cabinet body is including the cavity, and the cavity is separated into by a plurality of baffles and is located the anterior last cavity of the cabinet body, lower cavity and is located the rear chamber at cabinet body rear portion, be provided with earthing switch, contact box subassembly in the rear chamber respectively, and connect copper bar, current transformer, the front end of contact box subassembly is worn to establish and is fixed in last cavity, and the both ends of connecting copper bar are worn to establish and are fixed in the both sides of the cabinet body, earthing switch is including a plurality of on-off mechanism, its characterized in that: the grounding switch and the current transformers are both installed and fixed on the inner wall of one side of the rear cavity along the width direction of the cabinet body, a plurality of on-off mechanisms of the grounding switch are arranged along the front and rear direction of the cabinet body, the number of the current transformers is the same as that of the on-off mechanisms and correspondingly arranged above the on-off mechanisms, each on-off mechanism is correspondingly connected with the current transformers through a first conductive copper bar, the contact box assembly is positioned above the current transformers, the contact box assembly comprises a plurality of contact boxes, the rear ends of the plurality of contact boxes are respectively connected with the current transformers and the parallel copper bars through second conductive copper bars, each contact box comprises a box body, each box body is provided with a jack in a penetrating way at the front end of the upper cavity, the rear end of each box body positioned in the rear cavity is provided with a conductive insert which is connected with the second conductive copper bars in a matched way, and the rear end of each box body is provided with a groove for accommodating the connection of the second conductive copper bars and the conductive inserts, the groove is provided with a first opening at the back of the box body, and a second opening is arranged at one side of the box body.
2. The centrally installed switchgear as claimed in claim 1, wherein: a plurality of contact box equally divide into two sets ofly, and the contact box of every group contact box sets up along longitudinal arrangement, and two sets of contact boxes arrange the setting along the width direction of the cabinet body, and wherein a set of contact box is connected with current transformer through the second copper bar that electrically conducts, and another group of contact box is connected with a plurality of copper bars that connect respectively through the second copper bar that connects, and a plurality of copper bars that connect set up along the vertical and range setting of fore-and-aft direction slope of the cabinet body.
3. The centrally installed switchgear as claimed in claim 2, wherein: the contact boxes and the current transformers are respectively and correspondingly connected in sequence along the cabinet body from bottom to top and from front to back; the other group of contact boxes and the plurality of parallel copper bars are respectively and correspondingly connected in sequence along the arrangement sequence of the cabinet body from top to bottom and along the arrangement sequence of the cabinet body from front to back/top to bottom.
4. The centrally installed switchgear as claimed in claim 3, wherein: the second conductive copper bar used for connecting one group of contact boxes and a plurality of current transformers and the other group of contact boxes and a plurality of copper-connecting bars comprises two straight extending second conductive copper bars A and at least two arc extending second conductive copper bars B, wherein the contact box at the lowest position in one group of contact boxes is connected with the current transformer at the most front position, the contact box at the highest position in the other group of contact boxes is connected with the copper-connecting bar at the most front/top position through the second conductive copper bars A, the other contact boxes in one group of contact boxes and the other current transformers and the other contact boxes in the other group of contact boxes and the other copper-connecting bars are connected through the second conductive copper bars B, and the second conductive copper bars A are arranged along the second openings of the grooves in a penetrating manner, the second conductive copper bar B is arranged along the first opening of the groove in a penetrating mode.
5. The centrally installed switchgear as claimed in claim 1, wherein: the second opening extends towards the front end of the box body to form an extension opening communicated with one side of the jack.
6. The centrally installed switchgear as claimed in claim 1, wherein: the box body has columniform outside profile, and the box body front end still is provided with the connecting seat, the connecting seat is including extending the rectangle flange that forms towards box body direction all around, be provided with the connecting hole on the rectangle flange.
7. The centrally installed switchgear as claimed in claim 1, wherein: the groove and the jack are both cylindrical structures, and the conductive insert is arranged at the central positions of the groove and the jack.
CN202111445077.6A 2021-11-30 2021-11-30 Centrally-mounted switch cabinet Pending CN114389190A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111445077.6A CN114389190A (en) 2021-11-30 2021-11-30 Centrally-mounted switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111445077.6A CN114389190A (en) 2021-11-30 2021-11-30 Centrally-mounted switch cabinet

Publications (1)

Publication Number Publication Date
CN114389190A true CN114389190A (en) 2022-04-22

Family

ID=81196825

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111445077.6A Pending CN114389190A (en) 2021-11-30 2021-11-30 Centrally-mounted switch cabinet

Country Status (1)

Country Link
CN (1) CN114389190A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU49382U1 (en) * 2005-05-27 2005-11-10 Общество с ограниченной ответственностью "Производственно-коммерческая фирма "Автоматика" EXTENDABLE ELEMENT OF A COMPLETE DISTRIBUTION CABINET CABINET
CN101320891A (en) * 2008-06-12 2008-12-10 高赟 Side-installed shifting type high-tension switch cabinet
CN102427206A (en) * 2011-10-26 2012-04-25 江苏华唐电器有限公司 Miniature fixed metal-armored switchgear
CN104269766A (en) * 2014-10-23 2015-01-07 何华斌 Miniaturized switch cabinet of handcart type
CN104868394A (en) * 2015-05-15 2015-08-26 厦门柏瑞科电气有限公司 Side-mounted central switch cabinet
CN105846334A (en) * 2016-03-29 2016-08-10 梁作鹏 Drawable small-sized switch cabinet
CN106329366A (en) * 2015-06-15 2017-01-11 句容市江电电器机械有限公司 Metal withdrawable high-voltage switch cabinet and early warning system thereof
CN106356752A (en) * 2016-10-13 2017-01-25 厦门市恒源新电力设备有限公司 Small-size centrally-mounted handcart cabinet
CN111129978A (en) * 2020-01-14 2020-05-08 山东泰开成套电器有限公司 Central high-voltage switch cabinet convenient to maintain
CN213692745U (en) * 2020-11-03 2021-07-13 沈阳飞驰电气设备有限公司 Middle-arranged high-voltage switch cabinet

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU49382U1 (en) * 2005-05-27 2005-11-10 Общество с ограниченной ответственностью "Производственно-коммерческая фирма "Автоматика" EXTENDABLE ELEMENT OF A COMPLETE DISTRIBUTION CABINET CABINET
CN101320891A (en) * 2008-06-12 2008-12-10 高赟 Side-installed shifting type high-tension switch cabinet
CN102427206A (en) * 2011-10-26 2012-04-25 江苏华唐电器有限公司 Miniature fixed metal-armored switchgear
CN104269766A (en) * 2014-10-23 2015-01-07 何华斌 Miniaturized switch cabinet of handcart type
CN104868394A (en) * 2015-05-15 2015-08-26 厦门柏瑞科电气有限公司 Side-mounted central switch cabinet
CN106329366A (en) * 2015-06-15 2017-01-11 句容市江电电器机械有限公司 Metal withdrawable high-voltage switch cabinet and early warning system thereof
CN105846334A (en) * 2016-03-29 2016-08-10 梁作鹏 Drawable small-sized switch cabinet
CN106356752A (en) * 2016-10-13 2017-01-25 厦门市恒源新电力设备有限公司 Small-size centrally-mounted handcart cabinet
CN111129978A (en) * 2020-01-14 2020-05-08 山东泰开成套电器有限公司 Central high-voltage switch cabinet convenient to maintain
CN213692745U (en) * 2020-11-03 2021-07-13 沈阳飞驰电气设备有限公司 Middle-arranged high-voltage switch cabinet

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