Side-by-side plug-in type surge protection module

Abstract

The utility model relates to a side-by-side plug-in type surge protection module, which comprises a plurality of surge protection modules and a plurality of base connecting modules which are fixed side by side, and is characterized in that each surge protection module comprises a module shell, a voltage limiting element, a first electrode clamping piece, a tripping assembly, a second electrode clamping piece and a microswitch are arranged in the module shell, the base connecting module comprises a base shell, a first wiring assembly, a second wiring assembly and a remote signaling assembly are arranged in the base shell, and the voltage limiting element is a piezoresistor or a discharge tube. The second wiring assemblies in the multiple base connecting modules are connected in series through a connecting bar, and the remote signaling assemblies are connected in series through a PCB. According to the utility model, the space required by internal wiring of the base connection module is reduced, the structure compactness and integration level are improved, the assembly efficiency is improved, the assembly time and wiring material cost are reduced, and the miniaturization of the surge protection module is facilitated.

Description

Technical Field

[0001] The utility model relates to a parallel plug-in type surge protection module, belonging to the technical field of surge protectors. Background Art

[0002] Power surge protectors are widely used in power lines. They can effectively suppress surges and minimize equipment damage caused by surges in power lines. Power surge protectors generally include a base and a surge protection module, and the surge protection module and the base are connected by plug-in. With the increasing complexity of the power distribution network, a surge protector is usually installed in each circuit to protect against lightning surge currents. Multiple small module surge protectors are installed on a junction box or other equipment at the same time. Therefore, in order to meet the needs of multiple environments and conditions, surge protectors are moving towards miniaturization. However, due to the large number of power distribution circuits, a large number of surge protectors need to be wired or installed, the installation points are scattered and the wiring is messy, and the assembly efficiency and integration are low. Moreover, with the restrictions on the installation space requirements of surge protectors, especially for multi-module panel lightning arresters, the internal remote signal wiring of the micro switch with its internal structure design is complex, and the space required for series connection with the external wiring remote signal is large, the process is complex, which is not conducive to the miniaturization of surge protectors, and there are problems such as long assembly hours and high material costs. Utility Model Content

[0003] The side-by-side plug-in surge protection module provided by the utility model reduces the space required for internal wiring of the base connection module, improves the compactness and integration of the structure, improves the assembly efficiency, reduces the assembly man-hours and wiring material costs, and is conducive to the miniaturization of the surge protection module.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A side-by-side plug-in surge protection module comprises a surge protection module and a base connection module plugged in one-to-one with the surge protection module. The number of surge protection modules is multiple, and the multiple base connection modules are fixed side by side. The characteristic is that: the surge protection module comprises a module housing, the module housing is equipped with a voltage limiting element, an electrode clip 1 welded at high temperature to the high temperature pin of the voltage limiting element, a tripping assembly welded at low temperature to the low temperature pin of the voltage limiting element and having a tripping protection function, an electrode clip 2 connected to the tripping assembly, and a micro switch opened with the tripping action of the tripping assembly; the base connection module comprises a base housing snap-connected to the module housing with the plugging of the surge protection module and the base connection module; the base housing is equipped with a wiring assembly 1 plugged with the electrode clip 1 and connectable to an external wiring, a wiring assembly 2 plugged with the electrode clip 2 and connectable to the external wiring, and a remote signaling assembly plugged with the micro switch and capable of sending a remote signaling signal; the voltage limiting element is a varistor or a discharge tube, the wiring assemblies 2 in the multiple base connection modules are connected in series through a connecting bar, and the remote signaling assemblies are connected in series through a PCB board.

[0006] Preferably, the trip assembly includes a trip spring fixed on the module housing and low-temperature welded to the low-temperature pin, a trip slider positioned in the module housing by the trip spring, and a trip spring, one end of the trip spring is connected to the trip slider and the other end is connected to the module housing, and the trip slider is pulled between the trip spring and the low-temperature pin by the trip spring as the trip spring melts and separates from the low-temperature pin, and presses to open the micro switch.

[0007] Preferably, the remote signaling component includes a remote signaling shrapnel installed in the base shell and plugged into the micro switch, the remote signaling shrapnel is connected to the PCB board to connect multiple remote signaling components in series, and the remote signaling component in one of the base connection modules also includes a remote signaling terminal installed at the rear end of the base shell and a remote signaling line connecting the PCB board and the remote signaling terminal.

[0008] Preferably, the wiring assembly includes an electrode sheet that is plugged into an electrode clamp and a wiring spring that cooperates with the electrode sheet to clamp the external wiring. A wiring entrance corresponding to the wiring spring is provided on the base shell, and the external wiring extends from the wiring entrance to between the electrode sheet and the wiring spring and is clamped.

[0009] Preferably, the second wiring assembly includes an electrode sheet group plugged into the second electrode clamp and a second wiring spring that cooperates with the electrode sheet group to clamp the external wiring. A second wiring entrance corresponding to the second wiring spring is provided on the base shell, and the external wiring extends from the second wiring entrance to be clamped between the electrode sheet group and the second wiring spring.

[0010] Preferably, the electrode sheet group includes electrode sheet 2, electrode sheet connecting seat and electrode sheet 3 connected in sequence, electrode sheet 2 is plugged into electrode clamp 2, electrode sheet 3 cooperates with wiring spring sheet 2 to clamp the external wiring, and electrode sheet 2 is welded on the connecting row to connect multiple wiring assemblies 2 in series.

[0011] Preferably, the base shell is provided with a spring block 1 which can push the wiring spring piece 1 to deform downward, and a downward pressing window 1 corresponding to the spring block 1 is provided on the base shell, and the spring block 1 is pushed downward from the downward pressing window 1 to deform the wiring spring piece 1 downward to increase the distance between the wiring spring piece 1 and the electrode piece 1;

[0012] The base shell is provided with a spring block 2 which can push the wiring spring 2 to deform downward. A downward pressing window 2 corresponding to the spring block 2 is provided on the base shell. The spring block 2 is pushed downward from the downward pressing window 2 to deform the wiring spring 2 downward to increase the distance between the wiring spring 2 and the electrode sheet 3.

[0013] The beneficial effects of the utility model are:

[0014] The utility model discloses a side-by-side plug-in surge protection module, in which the voltage limiting element is a varistor or a discharge tube, and the base connection module is plugged in one-to-one with the surge protection module, and the number of surge protection modules with a varistor protection function and a discharge protection function can be adjusted according to demand to form surge protection modules of different models, and the wiring components 2 in a plurality of base connection modules are connected in series through a connection row, and the external wiring only needs to be connected to the wiring component 1 in one base connection module, that is, to form a connection with the wiring components 1 of a plurality of base connection modules, thereby reducing the external wiring, reducing the space required for the external wiring, and also reducing the internal wiring of the wiring component 1 in the base connection module, and the remote signaling components in the plurality of base connection modules are connected in series through a PCB board, and only one remote signaling component needs to be connected to an external controller to realize the tripping monitoring of the plurality of surge protection modules, thereby simplifying the structure of other remote signaling components, reducing the internal wiring of the remote signaling components, reducing the space required for the internal wiring of the base connection module, improving the compactness and integration of the structure, improving the assembly efficiency, reducing the assembly time and wiring material cost, and facilitating the miniaturization of the surge protection module. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Schematic diagram of a parallel plug-in surge protection module in a specific implementation manner.

[0016] Figure 2 It is a cross-sectional view of the corresponding plug-in of the surge protection module and the base connection module when the trip assembly is not tripped.

[0017] Figure 3 It is a cross-sectional view of the corresponding plug-in of the surge protection module and the base connection module when the trip assembly is in the tripped state.

[0018] Figure 4 A cross-sectional view of a surge protection module.

[0019] Figure 5 This is a schematic diagram of a voltage limiting element being a varistor.

[0020] Figure 6 It is a schematic diagram that the voltage limiting element is a discharge tube.

[0021] Figure 7 It is a schematic diagram of the combination of remote signal shrapnel, PCB board, remote signal line and remote signal terminal.

[0022] Figure 8 A schematic diagram of connecting wiring components 2 in multiple base connection modules in series through a connecting bar.

[0023] Fig. 9 The schematic diagram is a schematic diagram of the connection between the surge protection module, wiring component 1, wiring component 2 and remote signal component. DETAILED DESCRIPTION

[0024] Combine the following Figures 1 to 9 The embodiments of the utility model are described in detail.

[0025] The side-by-side plug-in surge protection module comprises a surge protection module 1, a base connection module 2 correspondingly plugged in with the surge protection module 1, the number of surge protection modules 1 is multiple, and the multiple base connection modules 2 are fixed side by side, characterized in that: the surge protection module 1 comprises a module housing 3, the module housing 3 is equipped with a voltage limiting element 4, an electrode clip 1 5 welded at high temperature to the high temperature pin of the voltage limiting element 4, a tripping component 6 welded at low temperature to the low temperature pin 41 of the voltage limiting element 4 and having a tripping protection function, an electrode clip 2 7 connected to the tripping component 6, and a tripping action of the tripping component 6. The micro switch 14 is turned on, and the base connection module 2 includes a base shell 8 which is snap-connected to the module shell 3 as the surge protection module 1 is plugged into the base connection module 2. The base shell 8 is equipped with a wiring assembly 9 which is plugged into the electrode clip 1 5 and can be connected to an external wire, a wiring assembly 10 which is plugged into the electrode clip 2 7 and can be connected to an external wire, and a remote signaling assembly 11 which is plugged into the micro switch 14 and can send a remote signaling signal. The voltage limiting element 4 is a varistor or a discharge tube. The wiring assemblies 10 in multiple base connection modules 2 are connected in series through a connecting row 12, and the remote signaling assemblies 11 are connected in series through a PCB board 13.

[0026] In the above-mentioned side-by-side plug-in surge protection module, the voltage limiting element 4 in the surge protection module 1 is a varistor or a discharge tube, and the base connection module 2 is plugged in one by one with the surge protection module 1. The number of surge protection modules 1 with varistor protection function and surge protection modules 1 with discharge protection function can be adjusted according to the needs to form surge protection modules of different models. The wiring components 9 in multiple base connection modules 2 are connected in series through the connection row 12. The external wiring only needs to be connected to the wiring component 9 in one base connection module 2, that is, a connection with the wiring components 9 of multiple base connection modules 2 is formed. , reducing external wiring, reducing the space required for external wiring, and also reducing the internal wiring of the wiring component 9 in the base connection module 2. The remote signal components 11 in multiple base connection modules 2 are connected in series through the PCB board. Only one remote signal component 11 is required to be connected to the external controller to realize the tripping monitoring of multiple surge protection modules, simplify the structure of other remote signal components 11, and reduce the internal wiring of the remote signal component 11, reduce the space required for the internal wiring of the base connection module 2, improve the compactness and integration of the structure, improve the assembly efficiency, reduce the assembly time and wiring material costs, and are conducive to the miniaturization of the surge protection module.

[0027] The release assembly 6 includes a release spring 61 fixed on the module housing 3 and low-temperature welded with the low-temperature pin 41, a release slider 62 positioned in the module housing 3 by the release spring 61, and a release spring 63. One end of the release spring 63 is connected to the release slider 62 and the other end is connected to the module housing 3. The release slider 62 is pulled between the release spring 61 and the low-temperature pin 41 by the release spring 63 as the release spring 61 and the low-temperature pin 51 melt and separate, and presses to open the micro switch 14. The release spring 63 is initially in a stretched state. When the voltage limiting element 4 heats up due to lightning current impact or circuit failure, the low-temperature pin 41 and the release spring 61 melt and separate, the release spring 63 will pull the release slider 62 to move between the low-temperature pin 41 and the release spring 61, so that the two are disconnected, and the power supply protection external circuit is cut off. The movement of the release slider 62 will just press and open the micro switch 14, so that the micro switch 14 sends a micro signal to the remote signal assembly 11.

[0028] Among them, the remote signal component 11 includes a remote signal shrapnel 15 installed in the base shell 8 and plugged into the micro switch 14. The remote signal shrapnel 15 is connected to the PCB board 13 to connect multiple remote signal components 11 in series. The remote signal component 11 in one base connection module 2 also includes a remote signal terminal 16 installed at the rear end of the base shell 8 and a remote signal line 17 connecting the PCB board 13 and the remote signal terminal 16. The micro switch 14 has two plug pins extending from the module housing 3. The surge protection module 1 is plugged into the base connection module 2 so that the plug pins of the micro switch 14 are plugged into the remote signal spring 15 to form a connection. The remote signal spring 15 is connected to the PCB board 13 to form a series connection of multiple remote signal components 11. It is only necessary to set a remote signal line 17 connected to the PCB board 13 and a remote signal terminal 16 connected to an external controller in one base connection module 2 to realize tripping monitoring of multiple surge protection modules 1, simplify the structure of other remote signal components, reduce the internal wiring of the remote signal components, reduce the space required for the internal wiring of the base connection module, and improve the compactness and integration of the structure.

[0029] The wiring assembly 9 includes an electrode sheet 91 plugged into the electrode clamp 5 and a wiring spring 92 that cooperates with the electrode sheet 91 to clamp the external wiring. The base shell 8 is provided with a wiring entrance 81 corresponding to the wiring spring 92. The external wiring extends from the wiring entrance 81 to between the electrode sheet 91 and the wiring spring 92 and is clamped. The wiring spring 92 is close to the electrode sheet 91. When the external wiring extends between the wiring spring 92 and the electrode sheet 91, the wiring spring 92 will be deformed and press the external wiring between the wiring spring 92 and the electrode sheet 91.

[0030] The wiring assembly 10 includes an electrode sheet group 101 plugged into the electrode clamp 7 and a wiring spring 102 that cooperates with the electrode sheet group 101 to clamp the external wire. The base shell 8 is provided with a wiring entrance 82 corresponding to the wiring spring 102. The external wire extends from the wiring entrance 82 to the electrode sheet group 101 and the wiring spring 102 to be clamped. The wiring spring 102 is close to the electrode sheet group 101. When the external wire extends between the wiring spring 102 and the electrode sheet group 101, the wiring spring 102 will deform and press the external wire between the wiring spring 102 and the electrode sheet group 101. The external wire is extended through the wiring entrance 1 81 and the wiring entrance 82, respectively, to connect the surge protection module 1 to the external circuit.

[0031] The electrode sheet group 101 includes an electrode sheet 2 103, an electrode sheet connection seat 104 and an electrode sheet 3 105 connected in sequence, the electrode sheet 2 103 is plugged into the electrode clamp 2 7, the electrode sheet 3 105 cooperates with the wiring spring 2 102 to clamp the external wiring, and the electrode sheet 2 103 is welded on the connection row 12 to connect multiple wiring assemblies 2 in series. The external wiring only needs to be inserted into the wiring inlet 2 82 of a base shell and clamped between the electrode sheet 3 105 and the wiring spring 2 102, so that the connection between the wiring assemblies 2 10 in multiple base connection modules 2 and the external wiring can be realized, reducing the external wiring, reducing the space required for the external wiring, and also reducing the internal wiring of the wiring assembly 2 10 in the base connection module 2, improving the compactness and integration of the structure, improving the assembly efficiency, and reducing the assembly time and wiring material costs.

[0032] Among them, the base shell 8 is equipped with a spring block 18 that can push the wiring spring piece 92 to deform downward. A downward pressing window 83 corresponding to the spring block 18 is provided on the base shell 8. The spring block 18 is pushed downward from the downward pressing window 83 to deform the wiring spring piece 1 downward to increase the distance with the electrode sheet 1; when the external wiring is extended, the spring block 18 can be pressed down through the downward pressing window 83 to deform the wiring spring piece 92 and then extend it into the external wiring, and the downward pressure on the spring block 18 is released, and the wiring spring piece 92 is restored to clamp the external wiring upward. When the external wiring is pulled out, the spring block 18 can be pressed down through the downward pressing window 83 to deform the wiring spring piece 82 to loosen the clamping of the external wiring, and the external wiring is pulled out, which is convenient for connecting and disconnecting the external wiring.

[0033] The base housing 8 is provided with a spring block 19 that can push the second wiring spring piece 102 to deform downward. The base housing 8 is provided with a downward pressing window 84 corresponding to the spring block 19. The spring block 19 is pushed downward from the downward pressing window 84 to deform the second wiring spring piece 102 downward to increase the distance between the second wiring spring piece and the electrode sheet 3. When the external wiring is inserted, the spring block 19 can be pressed downward through the downward pressing window 84 to deform the second wiring spring piece 102 and then inserted into the external wiring. The downward pressing of the spring block 19 is released, and the second wiring spring piece 102 is restored upward to clamp the external wiring. When the external wiring is pulled out, the spring block 19 can be pressed downward through the downward pressing window 84 to deform the second wiring spring piece 102 to release the clamping of the external wiring, and the external wiring can be pulled out, which is convenient for connecting and disconnecting the external wiring.

[0034] The above is a complete description of the technical solutions of the embodiments of the utility model in combination with the accompanying drawings. It should be noted that the described embodiments are only part of the embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

Claims

1. A parallel plug-in surge protection module, comprising a surge protection module and a base connection module correspondingly plugged into the surge protection module. There are multiple surge protection modules, and the multiple base connection modules are fixed side by side. The module is characterized in that: The surge protection module comprises a module shell, in which a voltage limiting element, an electrode clip 1 welded at high temperature to the high temperature pin of the voltage limiting element, a tripping assembly welded at low temperature to the low temperature pin of the voltage limiting element and having a tripping protection function, an electrode clip 2 connected to the tripping assembly, and a micro switch opened with the tripping action of the tripping assembly are installed. The base connection module comprises a base shell that is snap-connected to the module shell when the surge protection module is plugged into the base connection module. The base shell comprises a wiring assembly 1 that is plugged into the electrode clip 1 and can be connected to an external wire, a wiring assembly 2 that is plugged into the electrode clip 2 and can be connected to an external wire, and a remote signaling assembly that is plugged into the micro switch and can send a remote signaling signal. The voltage limiting element is a varistor or a discharge tube. The wiring assemblies 2 in multiple base connection modules are connected in series through a connecting bar, and the remote signaling assemblies are connected in series through a PCB board.

2. The parallel plug-in surge protection module according to claim 1, characterized in that: The trip assembly includes a trip spring fixed on the module housing and low-temperature welded to the low-temperature pin, a trip slider positioned in the module housing by the trip spring, and a trip spring, one end of the trip spring is connected to the trip slider and the other end is connected to the module housing. As the trip spring melts and separates from the low-temperature pin, the trip slider is pulled by the trip spring to between the trip spring and the low-temperature pin, and the micro switch is pressed to open.

3. The parallel plug-in surge protection module according to claim 2, characterized in that: The remote signal component includes a remote signal spring installed in the base shell and plugged into the micro switch. The remote signal spring is connected to the PCB board to connect multiple remote signal components in series. The remote signal component in one base connection module also includes a remote signal terminal installed at the rear end of the base shell and a remote signal line connecting the PCB board and the remote signal terminal.

4. The parallel plug-in surge protection module according to claim 1, characterized in that: The wiring assembly 1 includes an electrode sheet 1 plugged into an electrode clamp 1 and a wiring spring piece 1 cooperating with the electrode sheet 1 to clamp an external wiring. A wiring entrance 1 corresponding to the wiring spring piece 1 is provided on the base shell. The external wiring extends from the wiring entrance 1 between the electrode sheet 1 and the wiring spring piece 1 and is clamped.

5. The parallel plug-in surge protection module according to claim 4, characterized in that: The second wiring assembly includes an electrode sheet group plugged into the second electrode clamp and a second wiring spring that cooperates with the electrode sheet group to clamp the external wiring. A second wiring entrance corresponding to the second wiring spring is provided on the base shell. The external wiring extends from the second wiring entrance to between the electrode sheet group and the second wiring spring and is clamped.

6. The parallel plug-in surge protection module according to claim 5, characterized in that: The electrode sheet group includes an electrode sheet 2, an electrode sheet connection seat and an electrode sheet 3 which are connected in sequence. The electrode sheet 2 is plugged into the electrode clamp 2. The electrode sheet 3 cooperates with the wiring spring sheet 2 to clamp the external wiring. The electrode sheet 2 is welded on the connection row to connect multiple wiring assemblies 2 in series.

7. The parallel plug-in surge protection module according to claim 6, characterized in that: The base shell is provided with a spring block 1 which can push the connection spring piece 1 to deform downward, and a downward pressing window 1 corresponding to the spring block 1 is provided on the base shell, and the spring block 1 is pushed downward from the downward pressing window 1 to deform the connection spring piece 1 downward to increase the distance between the connection spring piece 1 and the electrode piece 1; The base shell is provided with a spring block 2 which can push the wiring spring 2 to deform downward. A downward pressing window 2 corresponding to the spring block 2 is provided on the base shell. The spring block 2 is pushed downward from the downward pressing window 2 to deform the wiring spring 2 downward to increase the distance between the wiring spring 2 and the electrode sheet 3.

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