Button type electric energy meter junction box

Abstract

A button type electric energy meter junction box is characterized in that a panel is arranged in the junction box, one side of the panel is divided into at least one current area and at least one voltage area, at least one metal clamping piece is arranged in the center of the voltage area and the center of the current area, an insulating rod is further arranged in the junction box, and the lower side of one end of the insulating rod is fixedly connected with a metal connecting piece. The other end of the insulating rod is fixedly connected with a key, a first through hole is formed in the insulating rod, a first embedding groove is formed in the side, close to the key, of the first through hole, a first movable block is arranged in the first embedding groove, one end of the first movable block is in a semi-arc shape, the other end of the first movable block is in a plane shape, and the center of the plane-shaped end of the first movable block is connected with an insulating spring. The other end of the insulating spring is connected with the bottom of the embedding groove I; the combined junction box can be switched to a maintenance state only by pressing down the switching button, and after maintenance is finished, the button is rebounded, and the key type combined junction box can be recovered to a normal metering state, so that the combined junction box has the characteristics of rapidness, convenience, safety and reliability.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment, in particular to a push-button type electric energy meter junction box. Background Art

[0002] In the field of electric energy metering, the technical solutions similar to or the same as those for solving problems of the electric energy meter junction box mainly include the following several types:

[0003] Traditional junction box: The traditional junction box usually adopts a relatively simple structural design, mainly meeting the basic wiring and safety protection requirements. However, with the expansion of the power grid scale and the improvement of the intelligent level, the limitations of the traditional junction box in terms of functionality and adaptability are gradually revealed.

[0004] Test junction box: A test junction box is a wiring component specially used for on-site tests of electric energy meters and on-site tests of meter replacement and load management terminals. Through special structural designs, such as disconnecting voltage connecting pieces and short-circuiting current connecting pieces, etc., it realizes the replacement or handling of various faults of the electric energy metering meter under the power-off state without affecting the user's power consumption. This kind of junction box plays an important role in power grid maintenance and repair.

[0005] Modular plug-in metering combined junction box: It consists of a plug-in type electric energy meter wiring module, a plug-in type acquisition terminal wiring module, and a cable with a quick plug module, and is mainly used in the construction process of electrical wiring for secondary metering equipment to provide a new type of quick wiring solution for electric energy metering. The modular junction box independently designs and integrates different functional modules, and users can select different modules for combined use according to actual needs.

[0006] Low-voltage combined junction box: By improving the installation and design of the fuse tube, improving the connection method of the current loop in the junction box, and replacing the overall circuit part of the original junction box with a PCB circuit board, a new type of low-voltage combined junction box is designed and developed, which has the characteristics of safe and convenient operation and reliable connection, effectively improving the metering reliability and further enhancing the power consumption management level.

[0007] Currently, the junction boxes of widely used electric energy metering devices mostly adopt the method of screwing with screws for wiring and short-circuiting the connecting pieces. This traditional method has several significant problems in actual operation:

[0008] Challenges to safety and reliability: The method of screwing with screws not only takes time and effort, but also is prone to wiring loosening or wrong connection due to improper human operation, thus affecting the accuracy of electric energy metering. In addition, the loose or wrongly connected wiring may also cause electrical faults, posing a threat to the power grid safety and user power consumption.

[0009] Operation complexity and efficiency: During operations such as electricity meter rotation, on-site calibration, and fault handling, it is necessary to frequently switch the states of the connecting pieces of the junction box. Using a screwdriver to individually toggle the voltage and current connecting pieces not only has low efficiency but also increases the operation complexity and error rate.

[0010] Live working risk: Since many operations need to be carried out under live conditions, the traditional wiring method increases the risk of electric shock, posing a serious threat to the safety of operation and maintenance personnel. At the same time, it also increases the operation and maintenance costs and the operation risk of the enterprise. Summary of the utility model

[0011] To solve the deficiencies in the prior art, the present utility model provides a push-button type electricity meter junction box.

[0012] The present utility model adopts the following technical solutions:

[0013] A push-button type electricity meter junction box, comprising: a junction box housing and a panel; a panel is arranged inside the junction box, at least one current area and at least one voltage area are demarcated on one side of the panel, at least one metal clip is arranged at the central position of the voltage area and the current area, an insulating rod is also arranged inside the junction box, one end of the insulating rod is fixedly connected with a metal connecting piece at the lower side, the other end of the insulating rod is connected with a button, a through hole one is opened on the insulating rod, an embedding groove one is opened on the side of the through hole one close to the button, a movable block one is arranged in the embedding groove one, one end of the movable block one is semi-circular, the other end is flat, the central position of the flat end of the movable block one is connected with an insulating spring, and the other end of the insulating spring is connected with the bottom of the embedding groove one.

[0014] According to the described push-button type electricity meter junction box, a wiring hole is arranged on one side of the metal clip, the metal clip is electrically connected with the wiring hole, a plurality of inlet holes are opened on the upper and lower sides of the junction box housing, and button holes are opened on the upper and lower sides of the junction box housing.

[0015] According to the described push-button type electricity meter junction box, the button is divided into at least one current button and at least one voltage button.

[0016] According to the described push-button type electricity meter junction box, one end of the insulating rod close to the metal connecting piece is connected with the inner wall of the junction box housing through a compression spring.

[0017] According to the described push-button type electricity meter junction box, a partition board is also arranged inside the junction box, the partition board is located inside the inlet hole, one end of the partition board is fixedly connected with a button, and a through hole two is opened on the partition board.

[0018] According to the described push-button type electricity meter junction box, the end of the partition board far from the button is connected with the junction box housing through a compression spring.

[0019] According to the described push-button type electric energy meter connection box, an embedding groove two is opened at one end of the through hole two away from the button, and a movable block two is arranged inside the embedding groove. One end of the movable block two is semi-circular, and the other end is flat.

[0020] According to the described push-button type electric energy meter connection box, the flat end of the movable block two is connected with the bottom end of the embedding groove through an insulating spring.

[0021] According to the described push-button type electric energy meter connection box, a voltage indicator light and a current indicator light are also arranged on the connection box shell.

[0022] According to the described push-button type electric energy meter connection box, a status indicator light is also arranged on the outer side of the connection box.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] (1). The combined connection box has push-button type switching control. When carrying out operations such as electric energy meter rotation, on-site calibration, fault handling, and electricity consumption inspection, there is no need to individually toggle the voltage and current connection pieces one by one. Just press the button, and the combined connection box can be switched to the maintenance state. After the maintenance is completed, release the button, and the push-button type combined connection box can return to the normal metering state, featuring fast, convenient, safe, and reliable.

[0025] (2). This technology can be applied to various scenarios of live operation connection boxes.

[0026] (3). This application designs a partition board, which can protect the uninserted wire holes and at the same time enable the wires to be inserted into any wire hole safely and stably.

[0027] (4). The push-button type electric energy meter connection box has a self-check indication function. When the switching structure is not pressed in place, or there is poor contact, or no switching is performed, the normal indicator light does not give a reminder. Only when the switching is successful and the contact is good, will the indicator light give a reminder. Description of the Drawings

[0028] Figure 1 is the front panel diagram of the utility model;

[0029] Figure 2 is the schematic diagram of the disconnection between the metal connection piece and the metal clip of the utility model;

[0030] Figure 3 is the schematic diagram of the connection between the metal connection piece and the metal clip of the utility model;

[0031] Figure 4 is the schematic diagram of the specific structure of the disconnection and connection between the metal connection piece and the metal clip of the utility model;

[0032] Figure 5It is a schematic diagram that the incoming line port and the wire hole of the utility model are blocked by the second movable block, and the wire cannot be inserted;

[0033] Figure 6 It is a schematic diagram that the wire of the utility model can be inserted;

[0034] Figure 7 It is a working process diagram of the voltage indicator light and the current indicator light of the utility model;

[0035] Figure 8 It is a three-dimensional structure diagram of the insulating rod of the utility model;

[0036] Figure 9 It is a diagram of the first state of the first movable block of the utility model;

[0037] Figure 10 It is a diagram of the second state of the first movable block of the utility model;

[0038] Figure 11 It is a three-dimensional structure diagram of the nine-hole partition board of the utility model.

[0039] Reference numerals: 1, panel; 2, incoming line port; 3, metal clip; 4, metal connecting piece; 5, insulating rod; 51, first movable block; 52, first through hole; 7, nine-hole partition board; 71, second through hole; 72, second movable block; 8, button; 9, wire hole. Detailed implementation manners

[0040] To make the purpose, technical solutions and advantages of the present utility model clearer, the technical solutions of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. The embodiments described in this application are only part of the embodiments of the present utility model, rather than all embodiments. Based on the spirit of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present utility model.

[0041] As Figures 1-11 shown, this application provides a push-button type electricity meter junction box, including a junction box housing and a panel 1. The bottom of the junction box housing is installed and fixed on a wall surface or other installation surfaces. A panel is arranged inside the junction box. At least one current area and at least one voltage area are divided on one side of the panel. At least one metal clip 3 is arranged at the central position of the voltage area and the current area. A wiring hole is arranged on one side of the metal clip 3, and the metal clip 3 is electrically connected to the wiring hole for connecting a voltage wire or a current wire. A plurality of incoming line ports 2 are opened on the upper and lower sides of the junction box housing. The incoming line ports 2 correspond to the wire holes 9 and are coaxial. Button holes are opened on the upper and lower sides of the junction box housing.

[0042] Inside the junction box, there is also an insulating rod 5. A metal connecting piece 4 is fixedly connected to the lower side of one end of the insulating rod 5. The other end of the insulating rod 5 is fixedly connected to a button. The button is divided into at least one current button and at least one voltage button, which are used to control the opening and connection of the voltage circuit and the short - circuit and connection of the current circuit. The button is arranged in a button hole and can move along the button hole.

[0043] One end of the insulating rod 5 close to the metal connecting piece 4 is connected to the inner wall of the junction box housing through a compression spring.

[0044] As Figures 8-10 shown, a through - hole one 52 is opened on the insulating rod 5. An embedding groove one is opened on the side of the through - hole one 52 close to the button. A movable block one 51 is arranged in the embedding groove one. One end of the movable block one 51 is semi - circular arc - shaped, and the other end is flat. The center position of the flat end of the movable block one 51 is connected to an insulating spring, and the other end of the insulating spring is connected to the bottom of the embedding groove one. In the initial state, a circular hole one is formed between the semi - circular arc - shaped end of the movable block one 51 and the other side of the through - hole one 52. At this time, the insulating spring is in a relaxed state, and the lower side of the movable block one 51 covers the wiring hole. The voltage wire and the current wire cannot be directly inserted into the wiring hole. At this time, when the button is pressed, the insulating rod 5 moves, so that the circular hole one is directly above the wiring hole. At this time, the metal connecting piece 4 is pulled out from the metal clip 3, and the voltage wire and the current wire can be safely connected. After that, when the button is pressed again, the voltage wire or the current wire hinders the reset of the movable block one 51. At this time, the insulating spring is in a compressed state, ensuring that after the metal connecting piece 4 is inserted into the metal clip 3, the circuit can still work normally.

[0045] The above - mentioned button adopts the button switch disclosed in the prior art with the publication number of "CN217468250U" and the name of "A New Type of Button Switch".

[0046] Inside the junction box, there is also a partition board. The partition board is located inside the wire inlet 2. One end of the partition board is fixedly connected to a button 8, and the other end is connected to the left side of the junction box housing through a compression spring. A button hole is opened on the other side of the junction box housing. In one embodiment, as Figure 11As shown in the figure, through hole two 71 is opened on the nine-hole partition plate 7. An embedding groove two is opened at one end of the through hole two 71 far away from the button 8. An active block two 72 is arranged inside the embedding groove. The appearance of the active block two 72 is the same as that of the active block one 51. The flat end of the active block two 72 is connected to the bottom end of the embedding groove through an insulating spring. In the initial state, the semi-circular end of the active block two 72 forms a circular hole two with the other side of the through hole two 71. At this time, the insulating spring is in a relaxed state, and the lower side of the active block two 72 covers the wire hole 9, and the wire cannot be directly inserted into the wire hole 9. At this time, press the button 8, and the partition plate moves, so that the circular hole two is directly above the wire hole 9. At this time, insert the wire to be inserted into the corresponding wire hole 9. Then, release the button, and the partition plate resets under the action of the restoring force of the compression spring. The inserted wire hinders the reset of the active block two 72. At this time, the insulating spring is in a compressed state, and the active block two 72 corresponding to the wire hole 9 without the inserted wire resets and covers its corresponding wire hole 9 again.

[0047] When an operation needs to be performed on the wire hole 9, press the button to cut off the voltage and short-circuit the current. Then press the button 8 to operate on the wire hole 9 that needs to be operated. Then release the button 8, and then release the button to complete the operation on the wire hole 9.

[0048] The above wire hole 9 adopts the crimping unit disclosed in the prior art with the publication number of "CN113820522B" and the name of "A combined wiring box for electricity metering".

[0049] The active block two 72 of the present application can have a certain waterproof effect on the wire holes 9 without inserted wires.

[0050] When the current button and the voltage button are in the popped-up state, the voltage circuit inside the junction box is normally conducted and the current circuit is normally conducted; when the current button and the voltage button are in the pressed state, the voltage circuit inside the junction box is disconnected and the current circuit is short-circuited, as Figure 2 and / or Figure 3 shown.

[0051] The specific structure corresponding to the disconnection and connection of the metal connecting piece 4 is that the insulating rod 5 drives the rectangular metal connecting piece 4 fixed on the insulating rod 5 to be connected and disconnected from the metal clip 3, as Figure 4 shown.

[0052] When the button 8 is in the popped-up state, the wire hole 9 is closed and the wire cannot be inserted; when the button 8 is in the pressed state, the wire can be inserted, as Figure 5 and / or Figure 6 shown.

[0053] The junction box housing is also provided with a voltage indicator and a current indicator. When the voltage button and the current button are pressed, the corresponding voltage indicator and the current indicator light up. When the voltage button and the current button are released, the corresponding voltage indicator and the current indicator light up. When wiring is required, press the voltage button and the current button. When the corresponding voltage indicator and the current indicator light up, proceed with the wiring operation. The voltage button and the current button must be pressed at the same time to switch the state.

[0054] A status indicator light is also provided on the outside of the junction box. When the wire connection is in good condition, the status indicator light remains on. When the wire connection is abnormal, such as the switching structure is not pressed into place, or the contact is poor, or the switching is not performed, the status indicator light goes out, allowing the staff to intuitively see the connection status of the wire.

[0055] In one embodiment, Figure 1 As shown, panel 1 adopts a three-phase four-wire system, a push-button electric energy meter junction box, and adopts a voltage input and output terminal of one voltage input terminal and two output terminals, that is, a one-input and two-output form; the current input and output terminal is in the form of two current input terminals and two output terminals.

[0056] Materials used for the junction box of push-button electric energy meter:

[0057] All copper posts, crimping joints and on-site test points of voltage and current loops are made of brass;

[0058] The base is made of high molecular polycarbonate material plus ABS flame retardant plastic;

[0059] The cover is made of high molecular polycarbonate material plus ABS flame-retardant plastic, which is completely transparent and can see through the connection status.

[0060] The disconnection of the voltage connecting piece and the short circuit of the current connecting piece are switched by pressing the current button or the voltage button and pushing the insulating rod 5 .

[0061] The present application solves the problem of wiring by screwing screws through a pressing structure, which greatly improves the simplicity and safety of operation.

[0062] The present application supports the switching between the meter replacement state and the metering state through structural design. After the button is pressed, the connection and disconnection of the three-phase voltage and current connecting pieces are controlled. The problem of frequently switching the states of the connecting pieces of the junction box by moving the voltage and current connecting pieces one by one with a screwdriver is solved.

[0063] This application has a self-checking indicator function. When the switching structure is not pressed into place, or the contact is poor, or the switching is not performed, the normal indicator light will not remind you. Only when the switching is successful and the contact is good, the indicator light will prompt. Solve the problem of loose wiring caused by improper human operation.

[0064] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit it. Although the present utility model has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications or equivalent replacements can still be made to the specific implementation manners of the present utility model, and any modification or equivalent replacement that does not depart from the spirit and scope of the present utility model should be covered within the protection scope of the claims of the present utility model.

Claims

1. A push-button type electric energy meter junction box, comprising: Junction box housing and panel (1); characterized in that: A panel (1) is arranged inside the junction box. At least one current area and at least one voltage area are demarcated on one side of the panel (1). At least one metal clip (3) is arranged at the center position of the voltage area and the current area. An insulating rod (5) is also arranged inside the junction box. A metal connecting piece (4) is fixedly connected to the lower side of one end of the insulating rod (5). The other end of the insulating rod (5) is connected to a key. A through hole one (52) is opened on the insulating rod (5). An embedding groove one is opened on the side of the through hole one (52) close to the key. A movable block one (51) is arranged in the embedding groove one. One end of the movable block one (51) is semi-circular, and the other end is flat. The center position of the flat end of the movable block one (51) is connected to an insulating spring. The other end of the insulating spring is connected to the bottom of the embedding groove one. The panel is located inside the junction box.

2. A push-button type electric energy meter junction box according to claim 1, characterized in that: A wiring hole is arranged on one side of the metal clip (3). The metal clip (3) is electrically connected to the wiring hole. A plurality of inlet ports (2) are opened on the upper and lower sides of the junction box housing. Button holes are opened on the upper and lower sides of the junction box housing.

3. A push-button type electric energy meter junction box according to claim 1 or 2, characterized in that: The buttons are divided into at least one current button and at least one voltage button.

4. A push-button type electric energy meter junction box according to claim 1, characterized in that: One end of the insulating rod (5) close to the metal connecting piece (4) is connected to the inner wall of the junction box housing through a compression spring.

5. A push-button type electric energy meter junction box according to claim 1, characterized in that: A partition board is further arranged inside the junction box. The partition board is located inside the inlet port (2). One end of the partition board is fixedly connected to a button (8). A through hole two (71) is opened on the partition board.

6. A push-button type electric energy meter junction box according to claim 5, characterized in that: One end of the partition board away from the button (8) is connected to the junction box housing through a compression spring.

7. A push-button type electric energy meter junction box according to claim 5, characterized in that: An embedding groove two is opened at the end of the through hole two (71) away from the button (8). A movable block two (72) is arranged inside the embedding groove. One end of the movable block two (72) is semi-circular, and the other end is flat.

8. A push-button type electric energy meter junction box according to claim 7, characterized in that: The flat end of the movable block two (72) is connected to the bottom end of the embedding groove through an insulating spring.

9. A push-button type electric energy meter junction box according to claim 1, characterized in that: A voltage indicator light and a current indicator light are further arranged on the junction box housing.

10. A push-button type electric energy meter junction box according to claim 1, characterized in that: A status indicator light is further arranged on the outside of the junction box.

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