CN223124336U - A push-button electric energy meter junction box - Google Patents
A push-button electric energy meter junction boxInfo
- Publication number
- CN223124336U CN223124336U CN202422171639.8U CN202422171639U CN223124336U CN 223124336 U CN223124336 U CN 223124336U CN 202422171639 U CN202422171639 U CN 202422171639U CN 223124336 U CN223124336 U CN 223124336U
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- junction box
- key
- electric energy
- energy meter
- movable block
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Abstract
一种按键式电能表接线盒，所述接线盒内部设置有面板，面板一侧划分出至少一个电流区以及至少一个电压区，在电压区以及电流区的中心位置设置至少一个金属夹片，接线盒内部还设置有绝缘杆，所述绝缘杆的一端下侧固连金属连接片，绝缘杆的另一端固连按键，绝缘杆上开有通孔一，通孔一靠近按键的一侧开有嵌入槽一，嵌入槽一中设置有活动块一，活动块一的一端为半圆弧状，另一端为平面状，活动块一平面状的一端中心位置与绝缘弹簧相连接，绝缘弹簧的另一端与嵌入槽一的底部相连接；只需按下切换按钮，便可使联合接线盒切换为检修状态，待检修完毕，回弹按钮，又可使按键式联合接线盒恢复正常计量状态，具有快速便捷、安全可靠的特点。
A push-button electric energy meter junction box, wherein a panel is arranged inside the junction box, one side of the panel is divided into at least one current zone and at least one voltage zone, at least one metal clip is arranged at the center position of the voltage zone and the current zone, an insulating rod is also arranged inside the junction box, the lower side of one end of the insulating rod is fixedly connected to the metal connecting plate, the other end of the insulating rod is fixedly connected to the button, a through hole is opened on the insulating rod, an embedding groove is opened on the side of the through hole close to the button, a movable block is arranged in the embedding groove, one end of the movable block is semicircular, and the other end is flat, the center position of one flat end of the movable block is connected to an insulating spring, and the other end of the insulating spring is connected to the bottom of the embedding groove; by pressing the switch button, the combined junction box can be switched to the maintenance state, and after the maintenance is completed, the rebound button can restore the push-button combined junction box to the normal metering state, which has the characteristics of fast, convenient, safe and reliable.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, in particular to a key-type electric energy meter junction box.
Background
In the field of electric energy metering, the technical scheme similar or identical to the problem solving of the junction box of the electric energy meter mainly comprises the following steps:
Traditional junction box the traditional junction box adopts comparatively simple structural design generally, mainly satisfies basic wiring and safety protection demand. However, as the scale of the power grid is increased and the degree of intelligence is increased, the conventional junction box gradually reveals limitations in terms of functionality and adaptability.
The test junction box is a junction part special for electric energy meter field test, meter replacement and load management terminal field test. Through special structural design, such as disconnection of a voltage connecting piece, short circuit of a current connecting piece and the like, the electric energy meter is replaced or various faults are processed in a power failure state, and the power consumption of a user is not affected. Such junction boxes play an important role in grid maintenance and overhaul.
The modular plug-in type metering combined junction box 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-in module, and is mainly used for metering the construction process of the electric wiring of secondary equipment and provides a novel quick wiring solution for electric energy metering. The modularized junction box is characterized in that different functional modules are independently designed and integrated together, and a user can select different modules for combined use according to actual requirements.
The novel low-voltage combined junction box is designed and developed by improving the installation and design of the fuse tube, improving the current loop connection mode of the junction box and replacing the whole circuit part of the original junction box by using the PCB, has the characteristics of safe and convenient operation and reliable connection, and effectively improves the metering reliability and further improves the power consumption management level.
At present, the junction box of the widely-used electric energy metering device is connected with the short circuit of the connecting sheet in a screwing mode. This conventional approach has a number of significant problems in practice:
The safety and reliability challenges are that the screw tightening mode is time-consuming and labor-consuming, and loose or misconnection of the wiring is easily caused by improper manual operation, so that the accuracy of electric energy metering is affected. In addition, loose or misconnected wiring may also cause electrical faults, which pose a threat to grid safety and consumer power.
The operation complexity and efficiency are that the state of the connecting sheet of the junction box needs to be frequently switched in operations such as electric energy meter rotation, field verification, fault handling and the like. The screwdriver is used for stirring the voltage and current connecting sheets one by one, so that the efficiency is low, and the operation complexity and the error rate are increased.
Live working risk, namely, because a plurality of operations need to be carried out under the live condition, the traditional wiring mode increases the electric shock risk, and the traditional wiring mode forms serious threat to the safety of operation and maintenance personnel, and simultaneously increases the operation and maintenance cost and the operation risk of enterprises.
Disclosure of utility model
In order to solve the defects in the prior art, the utility model provides a key-type electric energy meter junction box.
The utility model adopts the following technical scheme:
A key-type electric energy meter junction box comprises a junction box shell and a panel, wherein the 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 positions of the voltage area and the current area, an insulating rod is further arranged in the junction box, one end lower side of the insulating rod is fixedly connected with a metal connecting piece, the other end of the insulating rod is connected with a key, a through hole I is formed in the insulating rod, an embedded groove I is formed in one side, close to the key, of the through hole I, a movable block I is arranged in the embedded groove I, one end of the movable block I is semicircular, the other end of the movable block I is planar, the center position of one end of the movable block I is connected with an insulating spring, and the other end of the insulating spring is connected with the bottom of the embedded groove I.
According to the key-type electric energy meter junction box, a wiring hole is formed in one side of the metal clamping piece, the metal clamping piece is electrically connected with the wiring hole, a plurality of wire inlets are formed in the upper side and the lower side of the junction box shell, and key holes are formed in the upper side and the lower side of the junction box shell.
According to the key-type electric energy meter junction box, the keys are divided into at least one current key and at least one voltage key.
According to the key-type electric energy meter junction box, one end of the insulating rod, which is close to the metal connecting sheet, is connected with the inner wall of the junction box shell through the compression spring.
According to the key-type electric energy meter junction box, a baffle plate is further arranged inside the junction box and located on the inner side of the wire inlet, a button is fixedly connected to one end of the baffle plate, and a second through hole is formed in the baffle plate.
According to the key-type electric energy meter junction box, one end, far away from the button, of the baffle plate is connected with the junction box shell through the compression spring.
According to the key-type electric energy meter junction box, an embedded groove II is formed in one end, far away from the button, of the through hole II, a movable block II is arranged in the embedded groove, one end of the movable block II is semicircular, and the other end of the movable block II is planar.
According to the key-type electric energy meter junction box, the plane end of the second movable block is connected with the bottom end of the embedded groove through an insulating spring.
According to the key-type electric energy meter junction box, the voltage indicator lamp and the current indicator lamp are further arranged on the junction box shell.
According to the key-type electric energy meter junction box, the outside of the junction box is also provided with a status indicator lamp.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The combined junction box is provided with the key-type switching control, when operations such as electric energy meter rotation, field verification, fault treatment and electricity utilization inspection are carried out, the voltage and current connecting sheets are not required to be stirred one by one, the combined junction box can be switched into an overhaul state only by pressing the key, after the overhaul is finished, the key is rebounded, and the key-type combined junction box can be restored to a normal metering state.
(2) The technology can be applied to various scenes of live operation junction boxes.
(3) The baffle plate is designed, so that the lead wire hole which is not inserted can be protected, and meanwhile, the lead wire can be safely and stably inserted into any lead wire hole.
(4) The key-type electric energy meter junction box has a self-checking indication function, when the switching structure is not pressed in place, or poor contact is caused, or switching is not carried out, the normal indicator lamp does not remind, and only if switching is successful, the contact is good, the indicator lamp prompts.
Drawings
FIG. 1 is a panel diagram of the present utility model;
FIG. 2 is a schematic illustration of the disconnection of a metal connecting piece from a metal clip according to the present utility model;
FIG. 3 is a schematic view of the connection of the metal connecting piece and the metal clamping piece according to the present utility model;
FIG. 4 is a schematic diagram showing a specific structure of the metal connecting sheet and the metal clamping sheet in the utility model;
FIG. 5 is a schematic view showing that the wire inlet and the wire guide are blocked by the movable block II and the wire cannot be inserted;
FIG. 6 is a schematic diagram of a wire insertable into the present utility model;
FIG. 7 is a diagram of the operation of the voltage indicator lamp and the current indicator lamp of the present utility model;
FIG. 8 is a perspective view of an insulating rod according to the present utility model;
FIG. 9 is a diagram of a state of the movable block according to the present utility model;
FIG. 10 is a diagram of a second state of the movable block according to the present utility model;
Fig. 11 is a perspective view of a nine-hole baffle plate according to the present utility model.
The device comprises a reference numeral 1, a panel, a 2, a wire inlet, a3, a metal clamping piece, a 4, a metal connecting piece, a 5, an insulating rod, a 51, a first movable block, a 52, a first through hole, a 7, a nine-hole baffle plate, a 71, a second through hole, a 72, a second movable block, a 8, a button, a 9 and a wire guide.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The described embodiments of the utility model are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are within the scope of the present utility model.
As shown in fig. 1-11, the application provides a key-type electric energy meter junction box, which comprises a junction box shell and a panel 1, wherein the bottom of the junction box shell is arranged on a wall surface or other mounting surfaces for fixing, the 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 3 is arranged in the center of the voltage area and the current area, one side of the metal clamping piece 3 is provided with a wiring hole, the metal clamping piece 3 is electrically connected with the wiring hole and is used for connecting a voltage line or a current line, a plurality of wire inlets 2 are formed in the upper side and the lower side of the junction box shell, the wire inlets 2 correspond to the wire guide 9 and are coaxial, and key holes are formed in the upper side and the lower side of the junction box shell.
The terminal box is inside still to be provided with insulator spindle 5, the one end downside of insulator spindle 5 links firmly metal connection piece 4, and the other end of insulator spindle 5 links firmly the button, and the button divide into at least one electric current button and at least one voltage button for circuit breaking and connection and the short circuit and the connection of electric current circuit of control voltage circuit, the button setting can be along the button hole removal in the button hole.
One end of the insulating rod 5, which is close to the metal connecting sheet 4, is connected with the inner wall of the junction box shell through a compression spring.
As shown in fig. 8-10, the insulating rod 5 is provided with a first through hole 52, one side of the first through hole 52, which is close to the key, is provided with a first embedded groove, a movable block 51 is arranged in the first embedded groove, one end of the movable block 51 is semicircular, the other end of the movable block is planar, the center of one planar end of the movable block 51 is connected with an insulating spring, and the other end of the insulating spring is connected with the bottom of the first embedded groove. In the initial state, a circular hole I is formed between one semicircular end of the movable block I51 and the other side of the through hole I52, at this time, the insulating spring is in a relaxed state, the lower side face of the movable block I51 is connected with the wiring Kong Zhezhu, the voltage wire and the current wire cannot be directly inserted into the wiring hole, at this time, the key is pressed, the insulating rod 5 moves, so that the circular hole I is positioned right above the wiring hole, at this time, the metal connecting sheet 4 is extracted from the metal clamping sheet 3, the voltage wire and the current wire can be safely connected, then, the key is pressed again, the voltage wire or the current wire blocks the reset of the movable block I51, at this time, the insulating spring is in a compressed state, and after the metal connecting sheet 4 is ensured to be inserted into the metal clamping sheet 3, the circuit can still work normally.
The key adopts a key switch disclosed by a publication number of CN217468250U in the prior art and named as a novel key switch.
The inside baffle that still is equipped with of terminal box, the baffle is located the inboard of incoming line 2, the one end of baffle has linked firmly button 8, the other end passes through compression spring with the left side of terminal box shell and is connected, the opposite side of terminal box shell has the button hole, in one embodiment, nine hole baffle 7 is gone up and has been opened through-hole second 71, the one end that the through-hole second 71 kept away from button 8 has been opened embedded groove second, be provided with movable block second 72 in the embedded groove inside, the outward appearance of movable block second 72 is the same with movable block first 51, the plane end of movable block second 72 is connected with the bottom of embedded groove through insulation spring, in the initial state, the one end of movable block second 72 semicircle form a circular hole second with the opposite side of through-hole second 71, at this moment, insulation spring is in the state of relaxing, the downside of movable block second 72 covers wire hole 9, the wire can not be directly inserted in wire hole 9 this moment, at this moment, press button 8, the baffle removes, make circular hole second be in the top of wire hole 9, the wire hole to be inserted to be in wire hole 9, the wire hole 9 is in the wire hole is covered up by the compression spring under the reset state of the corresponding wire hole that the reset spring, the reset wire hole is in the corresponding wire hole of the wire hole 9 is not had, the reset spring is in the reset wire hole, and the wire hole is reset, and the wire is reset.
When the wire guide 9 needs to be operated, the key is pressed to cause voltage to be broken and current to be short-circuited, then the button 8 is pressed to operate the wire guide 9 which needs to be operated, then the button 8 is released, and the operation on the wire guide 9 is completed when the key is released.
The wire guide 9 is a crimping unit disclosed in the prior art publication No. CN113820522B, entitled "an electric quantity measuring combined junction box".
The second movable block 72 of the present application can have a certain waterproof effect on the wire guide 9 to which the wire is not connected.
And in the state that the current key and the voltage key are in the sprung state, the voltage loop in the junction box is normally conducted, and in the state that the current key and the voltage key are in the pressed state, the voltage loop in the junction box is disconnected, and the current loop is in short circuit, as shown in fig. 2 and/or 3.
The specific structure of the disconnection and connection of the corresponding metal connecting sheet 4 is that the rectangular metal connecting sheet 4 fixed on the insulating rod 5 is driven by the insulating rod 5 to be connected and disconnected with the metal clamping sheet 3, as shown in fig. 4.
The wire guide 9 is closed in the sprung state of the button 8 and the wire cannot be accessed, and the wire can be accessed in the pressed state of the button 8, as shown in fig. 5 and/or fig. 6.
The junction box is characterized in that a voltage indicator lamp and a current indicator lamp are further arranged on the junction box shell, when a voltage key and a current key are pressed down, the corresponding voltage indicator lamp and the corresponding current indicator lamp are turned on, when the voltage key and the current key are loosened, the corresponding voltage indicator lamp and the corresponding current indicator lamp are turned off, when wiring is needed, the voltage key and the corresponding current key are pressed down, and after the corresponding voltage indicator lamp and the corresponding current indicator lamp are turned on, wiring operation is performed again. The voltage key and the current key are required to be pressed simultaneously to perform state switching operation.
The outside of the junction box is also provided with a status indicator lamp, when the connection state of the lead is good, the status indicator lamp is kept normally on, and when the connection state of the lead is abnormal, for example, the switching structure is not pressed in place, or poor contact is not carried out, or the switching is not carried out, at this time, the status indicator lamp is extinguished, so that a worker can intuitively see the connection state of the lead.
In one embodiment, as shown in fig. 1, the panel 1 is a three-phase four-wire system, a key-type electric energy meter junction box, a voltage incoming and outgoing line terminal is used as a voltage incoming line terminal, two outgoing line terminals are used as an incoming and outgoing mode, and a current incoming and outgoing line terminal is used as a mode of two current incoming line terminals and two outgoing line terminals.
The key-type electric energy meter junction box is made of the following materials:
copper columns, crimping parts and field test points of all voltage and current loops are made of brass materials;
The base is made of high polymer polycarbonate material and ABS flame retardant plastic;
the housing is made of high polymer polycarbonate material and ABS flame retardant plastic, is transparent, and can see through the connection state.
The disconnection of the voltage connection piece and the short circuit of the current connection piece are switched by pressing the current button or the voltage button to push the insulating rod 5.
The application solves the problem of wiring by screwing the screw through the pressed structure, and greatly improves the operation simplicity and safety.
The application supports the switching between the meter changing state and the metering state through the structural design, and controls the connection and disconnection of the three-phase voltage and current connecting sheet after the key is pressed. The problem of use the screwdriver to stir the voltage and current connection piece one by one and frequently switch the state of the connection piece of terminal box is solved.
The application has the self-checking indication function, and when the switching structure is not pressed in place, or is in poor contact, or is not switched, the normal indicator lamp does not remind, and only if the switching is successful, the contact is good, the indicator lamp prompts. The problem of loose wiring caused by improper manual operation is solved.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the specific embodiments of the present utility model without departing from the spirit and scope of the present utility model, and any modifications and equivalents are intended to be included in the scope of the claims of the present utility model.
Claims (10)
1. The junction box of the key-type electric energy meter comprises a junction box shell and a panel (1), and is characterized in that:
The novel electric wire connecting box is characterized in that a panel (1) is arranged inside the connecting box, at least one current area and at least one voltage area are divided on one side of the panel (1), at least one metal clamping piece (3) is arranged at the central positions of the voltage area and the current area, an insulating rod (5) is further arranged inside the connecting 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 with a key, a through hole I (52) is formed in the insulating rod (5), an embedded groove I is formed in one side, close to the key, of the through hole I (52), a movable block I (51) is arranged in the embedded groove I, one end of the movable block I (51) is semicircular, the other end of the movable block I (51) is planar, the central position of one end of the movable block I (51) is connected with an insulating spring, the other end of the insulating spring is connected with the bottom of the embedded groove I, and the panel is located inside the connecting box.
2. The key-type electric energy meter junction box of claim 1, wherein:
A wiring hole is formed in one side of the metal clamping piece (3), the metal clamping piece (3) is electrically connected with the wiring hole, a plurality of wire inlets (2) are formed in the upper side and the lower side of the junction box shell, and key holes are formed in the upper side and the lower side of the junction box shell.
3. A key-type electric energy meter junction box according to claim 1 or 2, characterized in that:
the keys are divided into at least one current key and at least one voltage key.
4. The key-type electric energy meter junction box of claim 1, wherein:
One end of the insulating rod (5) close to the metal connecting sheet (4) is connected with the inner wall of the junction box shell through a compression spring.
5. The key-type electric energy meter junction box of claim 1, wherein:
The inside baffle that still is equipped with of terminal box, the baffle is located the inboard of inlet (2), and button (8) have been linked firmly to the one end of baffle, it has through-hole two (71) to open on the baffle.
6. The key-type electric energy meter junction box of claim 5, wherein:
one end of the baffle plate, which is far away from the button (8), is connected with the junction box shell through a compression spring.
7. The key-type electric energy meter junction box of claim 5, wherein:
One end of the second through hole (71) far away from the button (8) is provided with a second embedded groove, a second movable block (72) is arranged in the embedded groove, one end of the second movable block (72) is semicircular, and the other end of the second movable block is plane.
8. The key-type electric energy meter junction box of claim 7, wherein:
The plane end of the second movable block (72) is connected with the bottom end of the embedded groove through an insulating spring.
9. The key-type electric energy meter junction box of claim 1, wherein:
The junction box shell is also provided with a voltage indicator lamp and a current indicator lamp.
10. The key-type electric energy meter junction box of claim 1, wherein:
the outside of the junction box is also provided with a status indicator lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422171639.8U CN223124336U (en) | 2024-09-05 | 2024-09-05 | A push-button electric energy meter junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422171639.8U CN223124336U (en) | 2024-09-05 | 2024-09-05 | A push-button electric energy meter junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223124336U true CN223124336U (en) | 2025-07-18 |
Family
ID=96374723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422171639.8U Active CN223124336U (en) | 2024-09-05 | 2024-09-05 | A push-button electric energy meter junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223124336U (en) |
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2024
- 2024-09-05 CN CN202422171639.8U patent/CN223124336U/en active Active
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