CN204651267U - A kind of with circuit breaker with the use of intelligent control box - Google Patents

A kind of with circuit breaker with the use of intelligent control box Download PDF

Info

Publication number
CN204651267U
CN204651267U CN201520345265.5U CN201520345265U CN204651267U CN 204651267 U CN204651267 U CN 204651267U CN 201520345265 U CN201520345265 U CN 201520345265U CN 204651267 U CN204651267 U CN 204651267U
Authority
CN
China
Prior art keywords
circuit breaker
indicator light
closing
opening
button
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.)
Expired - Fee Related
Application number
CN201520345265.5U
Other languages
Chinese (zh)
Inventor
葛谜霞
高洁
张小桂
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.)
HENAN HUASHENG LONGYUAN ELECTRIC CO Ltd
Original Assignee
HENAN HUASHENG LONGYUAN ELECTRIC 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 HENAN HUASHENG LONGYUAN ELECTRIC CO Ltd filed Critical HENAN HUASHENG LONGYUAN ELECTRIC CO Ltd
Priority to CN201520345265.5U priority Critical patent/CN204651267U/en
Application granted granted Critical
Publication of CN204651267U publication Critical patent/CN204651267U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Breakers (AREA)

Abstract

本实用新型公开了一种与断路器配合使用的智能控制箱,包括合闸指示灯1HL、分闸指示灯2HL、储能指示灯3HL、内面板、分闸按钮2SB、合闸按钮1SB、电压端子、端子排、内衬板、主箱体、支撑板、密封条、外盖、钥匙锁、铰链、涌流控制器YL、遥控板YK、铰扣、提手,通过控制、保护及电源电缆分别将断路器控制接点、电流互感器接点及电压互感器接点引致控制箱内部,通过操作分闸按钮2SB、合闸按钮1SB、遥控器控制断路器分合闸,通过观察合闸指示灯1HL、分闸指示灯2HL、储能指示灯3HL判断断路器状态,可实现过电流和涌流的自动判断与切除,用户可自行设置涌流控制器YL上的速断延时、合闸延时、过流延时及速断倍率,可防止非工作人员直接操作电动控制箱。

The utility model discloses an intelligent control box used in conjunction with a circuit breaker, which comprises a closing indicator light 1HL, an opening indicator light 2HL, an energy storage indicator light 3HL, an inner panel, an opening button 2SB, a closing button 1SB, a voltage Terminals, terminal blocks, inner lining board, main box body, support plate, sealing strip, outer cover, key lock, hinge, inrush controller YL, remote control board YK, hinge, handle, through the control, protection and power cables respectively Lead the circuit breaker control contacts, current transformer contacts and voltage transformer contacts to the inside of the control box, and control the opening and closing of the circuit breaker by operating the opening button 2SB, closing button 1SB, remote control, and observing the closing indicator light 1HL, opening and closing. Gate indicator light 2HL and energy storage indicator light 3HL judge the state of the circuit breaker, which can realize automatic judgment and cut off of overcurrent and inrush current, and users can set the quick-break delay, closing delay, and overcurrent delay on the inrush current controller YL by themselves And the quick break rate can prevent non-staff from directly operating the electric control box.

Description

一种与断路器配合使用的智能控制箱An intelligent control box used in conjunction with a circuit breaker

技术领域 technical field

本实用新型涉及一种与断路器配合使用的智能控制箱。 The utility model relates to an intelligent control box used in conjunction with a circuit breaker.

背景技术 Background technique

目前断路器单独使用时,无法实现外部通过遥控器或者电动控制断路器进行分闸和合闸,只能通过手动操作分合闸手柄来使开关分闸和合闸;同时无法实现电流保护功能,对于线路中出现的过电流及涌流无法自动进行判断及切除;由于断路器一旦架设在空中后,断路器安装位置距地面较高,手动操作断路器很不方便,费时费力,同时外部观察分合闸及储能指示状态不清晰。 At present, when the circuit breaker is used alone, it is impossible to open and close the circuit breaker externally through the remote control or electric control, and the switch can only be opened and closed by manually operating the opening and closing handle; at the same time, the current protection function cannot be realized. For the line The overcurrent and inrush current in the circuit cannot be judged and cut off automatically; because once the circuit breaker is erected in the air, the installation position of the circuit breaker is higher than the ground, and it is inconvenient to manually operate the circuit breaker, which takes time and effort. The status of the energy storage indication is not clear.

实用新型内容 Utility model content

本实用新型的目的是提供一种与断路器配合使用的智能控制箱,安装架设位置距地面≤2米,方便用户外部通过操作分闸按钮和合闸按钮控制断路器进行分闸和合闸,通过遥控器可远距离操作断路器进行分合闸,同时方便用户观察断路器目前所处状态,可对线路中出现的过电流及涌流自动进行判断及切除,用户可根据线路情况自行设置涌流控制器YL上的速断延时、合闸延时、过流延时及速断倍率的大小。 The purpose of this utility model is to provide an intelligent control box used in conjunction with a circuit breaker. The installation position is less than or equal to 2 meters from the ground, which is convenient for users to control the circuit breaker to open and close by operating the opening button and closing button. The circuit breaker can be remotely operated to open and close the circuit breaker. At the same time, it is convenient for the user to observe the current state of the circuit breaker. It can automatically judge and cut off the overcurrent and inrush current in the line. The user can set the inrush current controller YL according to the line situation. The size of the quick-break delay, closing delay, over-current delay and quick-break magnification.

一种与断路器配合使用的智能控制箱,内面板(10)上安装有合闸指示灯1HL(7)、分闸指示灯2HL(8)、储能指示灯3HL(9)、分闸按钮2SB(11)、合闸按钮1SB(12)、电压端子(13),通过导线将合闸指示灯1HL(7)、分闸指示灯2HL(8)、储能指示灯3HL(9)、分闸按钮2SB(11)、合闸按钮1SB(12)的输出点引致电压端子(13)的控制回路接点;内衬板(15)上安装有端子排(14)、涌流控制器YL(22)、遥控板YK(23),通过导线将遥控板YK(23)的输出点引到电压端子(13)的控制回路接点,通过导线将涌流控制器YL(22)的输出点引致端子排(14)的保护回路接点;将控制电缆(2)一端引致断路器的分闸、合闸、分闸指示、合闸指示、储能指示控制接点,另一端引致电压端子(13)的控制回路接点;将电源电缆(5)一端引致电压互感器(6)的接点,另一端引致电压端子(13)的电源接点;将保护电缆(3)一端引致断路器内部电流互感器的接点,另一端引致端子排(14)的保护回路接点;控制电缆(2)、电源电缆(5)和保护电缆(3)均是户外专用RVVP屏蔽电缆,可有效地防止外界对信号传输的干扰;通过手动操作分闸按钮2SB(11)、合闸按钮1SB(12)控制断路器分合闸,通过观察合闸指示灯1HL(7)、分闸指示灯2HL(8)、储能指示灯3HL(9)判断断路器目前所处状态,通过遥控器可远距离操作断路器进行分合闸,可实现线路上过电流和涌流的自动判断与切除,用户可根据线路情况自行设置涌流控制器YL(22)上的速断延时、合闸延时、过流延时及速断倍率的大小。 An intelligent control box used in conjunction with a circuit breaker, the inner panel (10) is equipped with a closing indicator light 1HL (7), an opening indicator light 2HL (8), an energy storage indicator light 3HL (9), and an opening button 2SB (11), closing button 1SB (12), voltage terminal (13), connect the closing indicator light 1HL (7), opening indicator light 2HL (8), energy storage indicator light 3HL (9), opening The output points of the brake button 2SB (11) and the closing button 1SB (12) lead to the control circuit contacts of the voltage terminal (13); the terminal block (14) and the inrush current controller YL (22) are installed on the inner lining board (15) , Remote control board YK (23), lead the output point of the remote control board YK (23) to the control loop contact point of the voltage terminal (13) through the wire, and lead the output point of the inrush current controller YL (22) to the terminal block (14) through the wire ) of the protective circuit contact; one end of the control cable (2) leads to the control contacts of opening, closing, opening indication, closing indication, and energy storage indication of the circuit breaker, and the other end leads to the control circuit contact of the voltage terminal (13); Lead one end of the power cable (5) to the contact of the voltage transformer (6), and the other end to the power contact of the voltage terminal (13); lead one end of the protection cable (3) to the contact of the current transformer inside the circuit breaker, and the other end to the terminal The protective circuit contacts of the row (14); the control cable (2), the power cable (5) and the protective cable (3) are all outdoor dedicated RVVP shielded cables, which can effectively prevent external interference on signal transmission; the gate is opened by manual operation The button 2SB (11) and closing button 1SB (12) control the opening and closing of the circuit breaker, and the circuit breaker is judged by observing the closing indicator light 1HL (7), the opening indicator light 2HL (8), and the energy storage indicator light 3HL (9) The current status of the circuit breaker can be operated remotely through the remote control to open and close the circuit breaker, which can realize the automatic judgment and removal of overcurrent and inrush current on the line. The user can set the inrush current controller YL (22) according to the line conditions The size of quick-break delay, closing delay, over-current delay and quick-break multiplier.

主箱体(16)与外盖(19)间通过两个铰链(21)连接,外盖(19)可以自由转动,主箱体(16)与内面板(10)间通过两个铰扣(24)连接,通过手动操作提手(25)可自由转动内面板(10),方便用户观察及定值调节,外盖(19)通过钥匙锁(20)与主箱体(16)进行固定,防止非工作人员直接操作电动控制箱。 The main box (16) and the outer cover (19) are connected by two hinges (21), the outer cover (19) can rotate freely, and the main box (16) and the inner panel (10) are connected by two hinges ( 24) connection, the inner panel (10) can be freely rotated by manually operating the handle (25), which is convenient for the user to observe and adjust the value. The outer cover (19) is fixed with the main box (16) through the key lock (20). Prevent non-staff from directly operating the electric control box.

附图说明 Description of drawings

附图1为本实用新型智能控制箱与断路器、电压互感器配合使用的示意图; Accompanying drawing 1 is the schematic diagram that the intelligent control box of the present invention cooperates with circuit breaker, voltage transformer to use;

附图2为本实用新型智能控制箱内面板的结构示意图; Accompanying drawing 2 is the structural representation of panel in the utility model intelligent control box;

 附图3为本实用新型智能控制箱内部的结构示意图; Accompanying drawing 3 is the structural representation inside the intelligent control box of the utility model;

附图4为本实用新型智能控制箱保护回路元器件连接的电路图; Accompanying drawing 4 is the circuit diagram that the protection circuit components of the utility model intelligent control box are connected;

附图5为本实用新型智能控制箱控制回路元器件连接的电路图。 Accompanying drawing 5 is the circuit diagram of the connection of control circuit components of the intelligent control box of the utility model.

具体实施方式 Detailed ways

下面结合附图对本实用新型作进一步说明。 Below in conjunction with accompanying drawing, the utility model is further described.

   图中:1、断路器  2、控制电缆   3、保护电缆   4、智能控制箱   5、电源电缆   6、电压互感器   7、合闸指示灯1HL   8、分闸指示灯2HL   9、储能指示灯3HL   10、内面板   11、分闸按钮2SB   12、合闸按钮1SB   13、电压端子   14、端子排   15、内衬板   16、主箱体   17、支撑板   18、密封条   19、外盖   20、钥匙锁   21、铰链   22、涌流控制器YL   23、遥控板YK   24、锁扣  25、提手 In the figure: 1. Circuit breaker 2. Control cable 3. Protection cable 4. Intelligent control box 5. Power cable 6. Voltage transformer 7. Closing indicator 1HL 8. Opening indicator 2HL 9. Energy storage indicator 3HL 10. Inner panel 11. Opening button 2SB 12. Closing button 1SB 13. Voltage terminal 14. Terminal block 15. Lining board 16. Main box 17. Support plate 18. Sealing strip 19. Outer cover 20. Key lock 21. Hinge 22. Inrush current controller YL 23. Remote control board YK 24. Lock 25. Handle

如图1所示,智能控制箱、断路器及电压互感器配合使用时,将控制电缆(2)一端引致断路器的合闸、分闸、合闸指示、分闸指示、储能指示控制接点,另一端引致智能控制箱(4)内部电压端子(13)的控制回路接点;将电源电缆(5)一端引致电压互感器(6)的接点,另一端引致智能控制箱(4)内部电压端子(13)上的电源回路接点;将保护电缆(3)一端引致断路器内部电流互感器的接点,另一端引致端子排(14)的保护回路接点。 As shown in Figure 1, when the intelligent control box, circuit breaker and voltage transformer are used together, one end of the control cable (2) leads to the control contacts of closing, opening, closing indication, opening indication and energy storage indication of the circuit breaker , the other end leads to the control circuit contact of the internal voltage terminal (13) of the intelligent control box (4); one end of the power cable (5) leads to the contact of the voltage transformer (6), and the other end leads to the internal voltage terminal of the intelligent control box (4) The power circuit contact on (13); lead one end of the protection cable (3) to the contact of the current transformer inside the circuit breaker, and the other end to the protection circuit contact of the terminal block (14).

    如图2-3所示,一种与断路器配合使用的智能控制箱,内面板(10)上安装有合闸指示灯1HL(7)、分闸指示灯2HL(8)、储能指示灯3HL(9)、分闸按钮2SB(11)、合闸按钮1SB(12)、电压端子(13)、提手(25),通过导线将合闸指示灯1HL(7)、分闸指示灯2HL(8)、储能指示灯3HL(9)、分闸按钮2SB(11)、合闸按钮1SB(12)的二次输出点引致电压端子(13)的控制回路接点;内衬板(15)上安装有端子排(14)、涌流控制器YL(22)、遥控板YK(23),通过导线将遥控板YK(23)的输出点引到电压端子(13)的控制回路接点,通过导线将涌流控制器(22)的输出点引致端子排(14)的保护回路接点;通过手动操作分闸按钮2SB(11)、合闸按钮1SB(12)控制断路器分合闸,通过观察合闸指示灯1HL(7)、分闸指示灯2HL(8)、储能指示灯3HL(9)判断断路器目前所处状态,通过遥控器可远距离操作断路器进行分合闸,可实现线路上过电流和涌流的自动判断与切除,用户可根据线路情况自行设置涌流控制器YL(22)上的速断延时、合闸延时、过流延时及速断倍率的大小;主箱体(16)与外盖(19)间通过两个铰链(21)连接,外盖(19)可以自由转动,主箱体(16)与内面板(10)间通过两个铰扣(24)连接,通过手动操作提手(25)可自由转动内面板(10),方便用户观察及定值调节,当用户定值调节完毕后,可将内面板(10)通过螺栓固定于支撑板(17)上,最后将外盖(19)通过钥匙锁(20)与主箱体(16)进行固定,防止非工作人员直接操作智能控制箱(4)。 As shown in Figure 2-3, an intelligent control box used in conjunction with a circuit breaker, the inner panel (10) is equipped with a closing indicator light 1HL (7), an opening indicator light 2HL (8), and an energy storage indicator light 3HL (9), opening button 2SB (11), closing button 1SB (12), voltage terminal (13), handle (25), connect the closing indicator light 1HL (7), opening indicator light 2HL through the wire (8), the secondary output point of the energy storage indicator light 3HL (9), the opening button 2SB (11), and the closing button 1SB (12) lead to the control circuit contact of the voltage terminal (13); the inner lining board (15) Terminal block (14), inrush current controller YL (22) and remote control board YK (23) are installed on it, and the output point of remote control board YK (23) is led to the control circuit contact point of voltage terminal (13) through wires. Lead the output point of the inrush current controller (22) to the protective circuit contact of the terminal block (14); control the opening and closing of the circuit breaker by manually operating the opening button 2SB (11) and closing button 1SB (12), and observe the closing The indicator light 1HL (7), opening indicator light 2HL (8), and energy storage indicator light 3HL (9) judge the current state of the circuit breaker, and the circuit breaker can be remotely operated to open and close through the remote control, which can realize on-line Automatic judgment and removal of overcurrent and inrush current, the user can set the quick-break delay, closing delay, over-current delay and quick-break multiplier on the inrush current controller YL (22) according to the line conditions; the main box (16 ) and the outer cover (19) are connected by two hinges (21), the outer cover (19) can rotate freely, and the main box (16) and the inner panel (10) are connected by two hinges (24). The manual operation handle (25) can freely rotate the inner panel (10), which is convenient for the user to observe and adjust the fixed value. After the user's fixed value is adjusted, the inner panel (10) can be fixed on the support plate (17) by bolts. Finally, the outer cover (19) is fixed with the main box body (16) through the key lock (20) to prevent non-staff from directly operating the intelligent control box (4).

如图4-5所示,通过保护回路电缆线(3)将断路器电流互感器的接点与智能控制箱(4)内部端子排(14)上涌流控制器YL(22)的接点相对应连接,通过控制回路电缆线(2)将开关内部合闸指示、分闸指示、储能指示、分闸、合闸控制接点与智能控制箱(4)内部电压端子(13)上合闸指示灯1HL(7)、分闸指示灯2HL(8)、储能指示灯3HL(9)、分闸按钮2SB(11)、合闸按钮1SB(12)、遥控板YK(23)的接点相对应连接。 As shown in Figure 4-5, connect the contacts of the current transformer of the circuit breaker to the contacts of the inrush controller YL (22) on the internal terminal block (14) of the intelligent control box (4) through the protection circuit cable (3). , through the control circuit cable (2), connect the switch internal closing indication, opening indication, energy storage indication, opening, closing control contact with the intelligent control box (4) internal voltage terminal (13) on the closing indicator light 1HL (7), the opening indicator light 2HL (8), the energy storage indicator light 3HL (9), the opening button 2SB (11), the closing button 1SB (12), and the contacts of the remote control board YK (23) are connected correspondingly.

Claims (5)

1.一种与断路器配合使用的智能控制箱,其特征在于:主箱体(16)与外盖(19)间通过两个铰链(21)连接,主箱体(16)与内面板(10)间通过两个铰扣(24)连接,合闸指示灯1HL(7)、分闸指示灯2HL(8)、储能指示灯3HL(9)、分闸按钮2SB(11)、合闸按钮1SB(12)通过导线与电压端子(13)相连,通过手动操作分闸按钮2SB(11)、合闸按钮1SB(12)控制断路器分合闸,通过观察合闸指示灯1HL(7)、分闸指示灯2HL(8)、储能指示灯3HL(9)判断断路器所处状态,遥控板YK(23)通过导线与电压端子(13)相连,通过遥控器可远距离操作断路器进行分合闸,涌流控制器YL(22)通过导线与端子排(14)相连,电压端子(13)、端子排(14)分别通过控制电缆(2)、保护电缆(3)、电源电缆(5)与断路器(1)、电压互感器(6)相连;主箱体(16)与外盖(19)间通过钥匙锁(20)进行固定。 1. An intelligent control box used in conjunction with a circuit breaker, characterized in that: the main box (16) and the outer cover (19) are connected by two hinges (21), the main box (16) and the inner panel ( 10) The room is connected by two hinges (24), closing indicator light 1HL (7), opening indicator light 2HL (8), energy storage indicator light 3HL (9), opening button 2SB (11), closing The button 1SB (12) is connected to the voltage terminal (13) through a wire, and the opening and closing of the circuit breaker is controlled by manually operating the opening button 2SB (11) and the closing button 1SB (12), and the closing indicator light 1HL (7) is observed , opening indicator light 2HL (8), energy storage indicator light 3HL (9) to judge the state of the circuit breaker, the remote control board YK (23) is connected to the voltage terminal (13) through the wire, and the circuit breaker can be operated remotely through the remote control To open and close the switch, the inrush current controller YL (22) is connected to the terminal block (14) through the wire, and the voltage terminal (13) and the terminal block (14) are respectively connected through the control cable (2), the protection cable (3), the power cable ( 5) It is connected with the circuit breaker (1) and the voltage transformer (6); the main box (16) and the outer cover (19) are fixed by a key lock (20). 2.根据权利要求1所述的一种与断路器配合使用的智能控制箱,其特征在于:所述的外盖(19)及内面板(10)均可以自由转动。 2. An intelligent control box used in conjunction with a circuit breaker according to claim 1, characterized in that: both the outer cover (19) and the inner panel (10) can rotate freely. 3.根据权利要求1所述的一种与断路器配合使用的智能控制箱,其特征在于:控制电缆(2)、电源电缆(5)和保护电缆(3)是户外专用RVVP屏蔽电缆。 3. An intelligent control box used in conjunction with a circuit breaker according to claim 1, characterized in that: the control cable (2), power cable (5) and protection cable (3) are RVVP shielded cables for outdoor use. 4.根据权利要求1所述的一种与断路器配合使用的智能控制箱,其特征在于:合闸指示灯1HL(7)、分闸指示灯2HL(8)、储能指示灯3HL(9)、分闸按钮2SB(11)、合闸按钮1SB(12)、电压端子(13)均安装于内面板(10)上,遥控板YK(23)、涌流控制器YL(22)、电压端子(13)均安装于内衬板(15)上。 4. An intelligent control box used in conjunction with a circuit breaker according to claim 1, characterized in that: closing indicator light 1HL (7), opening indicator light 2HL (8), energy storage indicator light 3HL (9 ), opening button 2SB (11), closing button 1SB (12), voltage terminal (13) are installed on the inner panel (10), remote control board YK (23), inrush current controller YL (22), voltage terminal (13) are all installed on the inner liner (15). 5.根据权利要求4所述的一种与断路器配合使用的智能控制箱,其特征在于:所述的涌流控制器YL(22),用户可根据线路情况,自行设置速断延时、合闸延时、过流延时及速断倍率的大小。 5. An intelligent control box used in conjunction with a circuit breaker according to claim 4, characterized in that: the inrush current controller YL (22), the user can set the quick-break delay and switch-on according to the line conditions Delay, over-current delay and quick break ratio.
CN201520345265.5U 2015-05-26 2015-05-26 A kind of with circuit breaker with the use of intelligent control box Expired - Fee Related CN204651267U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520345265.5U CN204651267U (en) 2015-05-26 2015-05-26 A kind of with circuit breaker with the use of intelligent control box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520345265.5U CN204651267U (en) 2015-05-26 2015-05-26 A kind of with circuit breaker with the use of intelligent control box

Publications (1)

Publication Number Publication Date
CN204651267U true CN204651267U (en) 2015-09-16

Family

ID=54103984

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520345265.5U Expired - Fee Related CN204651267U (en) 2015-05-26 2015-05-26 A kind of with circuit breaker with the use of intelligent control box

Country Status (1)

Country Link
CN (1) CN204651267U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105869934A (en) * 2016-06-03 2016-08-17 北京红吉博远电气有限公司 Electric operation controller
CN107907824A (en) * 2017-10-20 2018-04-13 国网浙江省电力公司嘉兴供电公司 A kind of reliability devices and method for the maintenance of 35KV switch carts
CN115241789A (en) * 2022-08-03 2022-10-25 江苏镇安电力设备有限公司 Intelligent multifunctional public and special demarcation branch box

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105869934A (en) * 2016-06-03 2016-08-17 北京红吉博远电气有限公司 Electric operation controller
CN107907824A (en) * 2017-10-20 2018-04-13 国网浙江省电力公司嘉兴供电公司 A kind of reliability devices and method for the maintenance of 35KV switch carts
CN115241789A (en) * 2022-08-03 2022-10-25 江苏镇安电力设备有限公司 Intelligent multifunctional public and special demarcation branch box

Similar Documents

Publication Publication Date Title
CN103854464A (en) Domestic digital intelligent power distribution box
CN104201571A (en) Anti-misoperation ground protection mechanism for dry type transformer
CN204651267U (en) A kind of with circuit breaker with the use of intelligent control box
CN205544619U (en) Portable cubical switchboard divide -shut brake remote control unit
CN201075735Y (en) Breaker telemetering controller based on blue tooth
CN104407288A (en) Operation voltage testing device of breaker
CN204696794U (en) A kind of twin-power switch cabinet
CN204681157U (en) An intelligent dual power supply control system
CN207098603U (en) Power distribution network branch line earth fault controller
CN103065861B (en) Outdoor AC high-voltage SF6 automatic sectionalizer
CN205319553U (en) Intelligent distribution box
CN206619560U (en) Single spring operating mechanism electric-control system
CN203799488U (en) Household digital intelligent distribution box
CN114496673A (en) An intelligent safety reclosing circuit breaker
CN205376325U (en) Circuit breaker electric operating mechanism radio control apparatus
CN208142576U (en) Switchgear Intelligent integrated instrument system
CN201359979Y (en) Residual current circuit breaker with automatic reclosing function
CN202333565U (en) Chassis vehicle device with door-closing operation
CN205487994U (en) Circuit breaker electric operating mechanism wireless control and under -voltage protection device
CN202103475U (en) A dual power supply automatic transfer switch control system
CN203674803U (en) Electric power transmission and distribution device used for multi-path power supply for users
CN204045945U (en) For the fool proof ground protection mechanism of dry-type transformer
CN205544587U (en) Intelligent operating circuit of intelligent circuit breaker
CN205428737U (en) Totally enclosed prepayment batch meter
CN214044535U (en) A high-voltage distribution box external safety handbrake

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150916

CF01 Termination of patent right due to non-payment of annual fee