Remote control device of switch

Abstract

A remote control device of a switch belongs to the technical field of low-voltage electric appliances. Comprising an external module and a built-in module, the external module is in signal connection with the built-in module, the built-in module is located inside the switch and takes electricity from an internal terminal of the switch, the built-in module comprises an opening control circuit and / or a closing control circuit, the external module is located outside the switch, and an operator controls the switch to act by operating the external module. The device has the advantages of being small in size, low in cost and capable of providing safety guarantee for operators.

Description

TECHNICAL FIELD

[0001] The utility model belongs to low voltage electrical apparatus technical field, more particularly to a switch's remote control device. BACKGROUND

[0002] Switch is a kind of very important electrical apparatus in power supply and distribution circuit, can carry or disconnect the current under normal loop condition to realize the connection and disconnection of circuit, plays the role of protecting line and electrical equipment.

[0003] At present, the closing and opening operation of switch is realized by the operating button of circuit breaker, however, as large-capacity switch element, arc flashover occurred in the operation process is one of main hazards, arc flashover once occurs, will release intense heat wave, light wave and pressure wave in an instant, not only can damage panel cabinet and equipment in cabinet, but also can burn and impact maintenance personnel, and seriously lead to personnel casualty. In order to reduce arc flashover risk, commonly used technologies include: increasing remote control of working distance, reducing on current and protective clothing of worker.

[0004] The remote control device of existing switch, its external part needs to carry power supply and driving mechanism, is heavy in weight, large in size, and high in material cost, and such external part can cause the installation, maintenance and manufacturing difficulty of remote control device to increase.

[0005] In view of the above prior art, the applicant has made beneficial design, and the technical scheme to be introduced below is generated in this background. CONTENT OF UTILITY MODEL

[0006] The utility model aims at providing a kind of remote control device of switch, the device is small and exquisite, light in weight, low in cost and can provide safety guarantee for operator.

[0007] The utility model aims at being reached in this way, a kind of remote control device of switch, including external module and built-in module, the external module and the built-in module signal connection, the built-in module is located in the inside of the switch and is powered from switch internal terminal, the built-in module includes opening control circuit and / or closing control circuit, the external module is located in the outside of switch, and operator controls the switch action by operating external module.

[0008] In one specific embodiment of the utility model, it further includes connecting line, the connecting line signal connection external module and built-in module.

[0009] In another specific embodiment of the utility model, the built-in module includes female interface and connecting circuit, the female interface is signal connected with the external module, and the female interface is connected with opening control circuit and closing control circuit by connecting circuit.

[0010] In still another specific embodiment of the utility model, further include the electromagnetic iron F of breaking and the electromagnetic iron X of closing, the electromagnetic iron F of breaking is connected in series in the breaking control circuit, the electromagnetic iron X of closing is connected in series in the closing control circuit.

[0011] In still another specific embodiment of the utility model, the breaking control circuit still has first, second breaking terminal for external wiring, the closing control circuit has first, second closing terminal for external wiring.

[0012] In still another specific embodiment of the utility model, the second breaking terminal and second closing terminal adopt the same phase power connection.

[0013] In still another specific embodiment of the utility model, the external module includes the male interface, external module circuit and control switch, the male interface is connected with the female interface signal through connecting line, the external module circuit is connected with the male interface, and a pair of control switches are connected in series on the external module circuit, one control switch is triggered by the closing operation button of external module, and the other control switch is triggered by the breaking operation button of external module.

[0014] In still another specific embodiment of the utility model, the male interface and female interface are all three-core aviation terminals.

[0015] In still another specific embodiment of the utility model, the length of connecting line is greater than or equal to 10m.

[0016] The utility model adopts external module and built-in module, takes electricity from circuit breaker by built-in module, realizes information connection by built-in module and external module, and then the action of remote control switch is realized by external module, which can improve the operation safety of operator, and the external module does not need to carry power supply and driving mechanism, so that the cost is reduced, the weight is reduced and the size is reduced. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the switch of the utility model;

[0018] Figure 2 It is the connection schematic diagram of external module and connecting line of the utility model;

[0019] Figure 3 It is the circuit schematic diagram of built-in module of the utility model;

[0020] Figure 4 It is the circuit schematic diagram of external module of the utility model.

[0021] Fig. 1. switch, 11. face shield, 12. plug hole, 13. closing button, 14. opening button; 21. external module, 211. male interface, 212. external module circuit, 213. control switch, 22. internal module, 221. female interface, 222. connection circuit, 223. opening control circuit, 224. closing control circuit, 23. connection line; 33. first opening terminal, 34. second opening terminal, 35. first closing terminal, 36. second closing terminal; 40. power terminal. DETAILED DESCRIPTION

[0022] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings, but the description of the embodiments is not a limitation on the technical solutions, and any changes in form but not in substance according to the concept of the present application should be considered as the protection scope of the present application.

[0023] In the following description, the concepts of directions (or orientations) such as up, down, left, right, front and back are all in the position state of the figure being described, and the purpose is to facilitate the public to understand, so it cannot be understood as a special limitation on the technical solutions provided by the present application.

[0024] Please refer to Figure 1 The switch 1 has a face shield 11, which is located on the front of the switch, i.e. the side facing the operator. The face shield 11 has a closing button 13 and an opening button 14 embedded at the corresponding opening positions, and the operator can trigger the switch 1 to perform closing action by pressing the closing button 13, and can trigger the switch 1 to perform opening action by pressing the opening button 14.

[0025] Further, the face shield 11 also has a plug hole 12 exposed on the front side of the face shield 11 for wiring.

[0026] The switch further comprises a remote control device for realizing remote operation, which enables the operator to remotely operate the switch to perform closing and opening actions, thereby improving the safety of closing and opening operation.

[0027] As Figures 2 to 4As shown, the remote control device comprises an external module 21, an internal module 22 and a connecting line 23. The internal module 22 is located inside the switch and obtains power from the internal terminal of the switch, while the external module 21 is located outside the switch. The internal module 22 and the external module 21 are connected by the connecting line 23. The operator is located in a safe distance and triggers the switch to realize the closing and opening actions by operating the external module 21. Of course, the external module 21 and the internal module 22 can be connected by wireless mode, and the connecting line 23 is omitted.

[0028] Specifically, the external module 21 comprises a shell and an operation button, which is divided into a closing operation button and an opening operation button. The operator triggers the switch to realize the closing action by pressing the closing operation button, and triggers the switch to realize the opening action by pressing the opening operation button.

[0029] Figure 3 The internal circuit diagram of the internal module 22 is shown. The internal module 22 comprises a female interface 221, a connecting circuit 222, an opening control circuit 223 and a closing control circuit 224. The female interface 221 is connected with the external module 21, and the female interface 221 is connected with the opening control circuit 223 and the closing control circuit 224 through the connecting circuit 222. Thus, when the internal module 22 is connected with the external module 21, the external module 21 is connected to the opening control circuit 223 and the closing control circuit 224 through the connecting circuit 222. The connecting circuit 222 is a circuit formed on a circuit board.

[0030] The opening control circuit 223 is connected with an opening electromagnet F, and the closing control circuit 224 is connected with a closing electromagnet X.

[0031] The opening control circuit 223 has first and second opening terminals 33 and 34 for wiring, and the closing control circuit 224 has first and second closing terminals 35 and 36 for wiring. The internal module 22 has a power terminal 40, the female interface 221 is connected with the power terminal 40, the power L is connected from the inside of the switch, and the opening terminal 34 and the closing terminal 36 are connected with the power N. The opening terminal 34 and the closing terminal 36 adopt the same phase power line.

[0032] Figure 4The internal circuit schematic diagram of the external module 21 is shown. The external module 21 can be a control handle. The external module 21 comprises a male interface 211, an external module circuit 212 and control switches 213. One end of the connecting line 23 is connected to the male interface 211, and the other end is connected to the female interface 221, thereby realizing the signal connection between the external module 21 and the internal module 22. The male interface 211 and the female interface 221 can both adopt three-core aviation terminals, at this time, the connecting line 23 should be adapted to the terminal type. Preferably, the length of the connecting line 23 is greater than or equal to 10 m. The external module circuit 212 is connected to the male interface 211, and a pair of control switches 213 are connected in series on the external module circuit 212. A pair of control switches 213 are respectively linked with the closing operation button and the opening operation button, that is, the closing operation button triggers a control switch 213 corresponding thereto, and the opening operation button triggers another control switch 213 corresponding thereto.

[0033] The utility model adopts external module 21 and internal module 22, and realizes information connection after the external module 21 is inserted with the internal module 22 and takes electricity from the circuit breaker. The external module 21 is connected to the opening control circuit 223 and the closing control circuit 224 to control the switch to open and close. The device can realize remote opening and closing operation of the switch, improves the operation safety of the operator, and the external module 21 does not need to be provided with a power supply and a driving mechanism, thereby reducing the cost, weight and volume, and achieving the purpose of the invention.

Claims

1. A remote control device for a switch, characterized by: The switch comprises an external module (21) and an internal module (22), the external module (21) and the internal module (22) are signal connected, the internal module (22) is located inside the switch and obtains power from the internal terminal of the switch, the internal module (22) comprises a tripping control circuit (223) and / or a closing control circuit (224), the external module (21) is located outside the switch, and an operator controls the switch through the external module (21).

2. A remote control device for a switch according to claim 1, characterized in that: The switch further comprises a connecting line (23), the connecting line (23) is signal connected with the external module (21) and the internal module (22).

3. A remote control device for a switch according to claim 2, characterized in that: The internal module (22) comprises a female interface (221) and a connecting circuit (222), the female interface (221) is signal connected with the external module (21), and the female interface (221) is connected with the tripping control circuit (223) and the closing control circuit (224) through the connecting circuit (222).

4. A remote control device for a switch according to claim 3, characterized in that: The switch further comprises a tripping electromagnet F and a closing electromagnet X, the tripping electromagnet F is connected in series in the tripping control circuit (223), and the closing electromagnet X is connected in series in the closing control circuit (224).

5. A remote control device for a switch according to claim 3, characterized in that: The tripping control circuit (223) further comprises first and second tripping connecting terminals (33, 34) for external connection, and the closing control circuit (224) further comprises first and second closing connecting terminals (35, 36) for external connection.

6. A remote control device for a switch according to claim 5, characterized in that: The second tripping connecting terminal (34) and the second closing connecting terminal (36) are connected with the same phase power line.

7. A remote control device for a switch according to claim 3, characterized in that: The external module (21) comprises a male interface (211), an external module circuit (212) and control switches (213), the male interface (211) is signal connected with the female interface (221) through the connecting line (23), the external module circuit (212) is connected with the male interface (211), a pair of control switches (213) are connected in series on the external module circuit (212), one control switch (213) is triggered by the closing operation button of the external module (21), and the other control switch (213) is triggered by the tripping operation button of the external module (21).

8. A remote control device for a switch according to claim 7, characterized in that: The male interface (211) and the female interface (221) are both three-core aviation terminals.

9. A remote control device for a switch according to claim 2, characterized in that: The length of the connecting line (23) is greater than or equal to 10 m.

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