CN111679108B - Binding post and electric energy meter of electric energy meter - Google Patents
Binding post and electric energy meter of electric energy meter Download PDFInfo
- Publication number
- CN111679108B CN111679108B CN202010517439.7A CN202010517439A CN111679108B CN 111679108 B CN111679108 B CN 111679108B CN 202010517439 A CN202010517439 A CN 202010517439A CN 111679108 B CN111679108 B CN 111679108B
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- terminal
- hole
- electric energy
- energy meter
- barrel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
Abstract
The invention relates to a wiring terminal of an electric energy meter and the electric energy meter, which is used for installing a wire connector and enabling the wire connector to be electrically connected with the electric energy meter. The terminal barrel is provided with the first positioning hole and the second positioning hole, so that the terminal barrel is positioned, and the wire joint can be ensured to be inserted in place and the use safety can be improved.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a wiring terminal of an electric energy meter and the electric energy meter comprising the wiring terminal.
Background
An electric energy meter is a meter for measuring electric energy, which can be electrically connected to a circuit through a connection terminal. Generally, when connecting, one end of the wire terminal is stripped from an exposed metal end of an insulating layer, the metal end is inserted into a plug hole of a wiring terminal, and the wire is crimped by a screw arranged on the side wall of the plug hole, so that the electrical connection and the mechanical connection between the wire and the electric energy meter are realized. However, in actual operation, when the electric wire is plugged, the electric wire is not plugged to the bottom of the plugging hole, so that poor connection is caused, or a meter burning accident occurs in the use process, so that great hidden dangers exist in equipment safety and electric power operation safety.
Therefore, a novel connection terminal of an electric energy meter is needed to ensure connection soundness and improve use safety.
Disclosure of Invention
The invention aims to provide a wiring terminal of an electric energy meter and the electric energy meter, which have the characteristics of ensuring that an electric wire is inserted in place and improving the use safety.
In order to achieve the purpose, the invention adopts the following technical scheme:
the wiring terminal of the electric energy meter is used for installing a wire connector and enabling the wire connector to be electrically connected with the electric energy meter, and comprises a terminal body and a terminal barrel, wherein the terminal body is provided with a first accommodating hole, the terminal barrel is provided with a second accommodating hole, the hole walls of the first accommodating hole and the second accommodating hole are respectively provided with a corresponding first positioning hole and a corresponding second positioning hole, the terminal barrel is inserted into the first accommodating hole and elastically connected with the terminal body, and the wire connector can be inserted into the second accommodating hole and pushes the terminal barrel to move along the length direction of the first accommodating hole, and the wire connector and the terminal body are fixed through a screw penetrating through the first positioning hole and the second positioning hole.
Furthermore, the terminal barrel further comprises a spring, and two ends of the spring are respectively connected with the inner wall of the first accommodating hole and the outer wall of the terminal barrel.
Furthermore, on the inner wall of the terminal body and the outer wall of the terminal cylinder, one of the inner wall and the outer wall is provided with a guide groove, the other of the inner wall and the outer wall is provided with a guide piece matched with the guide groove, and the guide piece is inserted into the guide groove and enables the terminal cylinder to move along the length direction of the guide groove.
Furthermore, the open end of the terminal cylinder extends out of the first accommodating hole, and the length of the terminal cylinder extending out of the first accommodating hole is 3-10 mm.
Furthermore, the open end of the terminal barrel is provided with a bent portion, one end of the bent portion is connected with the open end of the terminal body, and the other end of the bent portion extends in the circumferential direction of the open end and enables the bent portion to block the opening of the first accommodation hole.
Further, the bending part is provided with a rubber layer which can be connected with the opening end of the terminal body in a sealing mode.
Furthermore, the terminal barrel further comprises a limiting device, the limiting device comprises two limiting parts arranged in the first accommodating hole, and the terminal barrel can move between the two limiting parts.
Furthermore, the terminal further comprises a positioning device, the positioning device comprises a spring piece arranged on the terminal body and a groove arranged on the terminal barrel, one end of the spring piece is provided with a positioning ball matched with the groove, and when the first positioning hole and the second positioning hole are located in the same axial direction, the positioning ball can be abutted to the groove.
Furthermore, the terminal barrel is made of copper materials.
The electric energy meter comprises the wiring terminal of the electric energy meter.
Compared with the prior art, the invention has the beneficial effects that:
according to the wiring terminal of the electric energy meter and the electric energy meter, the terminal body and the terminal barrel are provided with the first positioning hole and the second positioning hole which correspond to each other, the terminal barrel is inserted into the terminal body, the wire connector is inserted into the terminal barrel, and when the wire connector is inserted to the bottom of the terminal barrel, the terminal barrel can be pushed to move towards the inner side of the first accommodating hole, the first positioning hole corresponds to the second positioning hole, and fixing is achieved. The wire connector has the characteristics of ensuring the in-place plugging of the wire connector and improving the use safety.
Drawings
Fig. 1 is a schematic diagram of an electric energy meter according to an embodiment.
Fig. 2 is a sectional view (before wiring) of the wiring terminal of the embodiment.
Fig. 3 is a cross-sectional view (after wiring) of the wiring terminal of the embodiment.
Fig. 4 is a cross-sectional view of another embodiment of a wire terminal.
In the figure:
1. a terminal body; 10. a first accommodation hole; 11. a first positioning hole; 12. a guide groove; 13. a spring plate; 2. a terminal barrel; 20. a second accommodation hole; 21. a second positioning hole; 22. a bending section; 23. a rubber layer; 3. a wire terminal; 4. a screw; 5. a spring.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 4, the connection terminal of an electric energy meter provided by the present invention is used for installing an electric wire connector 3 and enabling the electric wire connector 3 to be electrically connected with the electric energy meter, and includes a terminal body 1 and a terminal barrel 2, the terminal body 1 is provided with a first receiving hole 10, the terminal barrel 2 is provided with a second receiving hole 20, the hole walls of the first receiving hole 10 and the second receiving hole 20 are respectively provided with a corresponding first positioning hole 11 and a corresponding second positioning hole 21, the terminal barrel 2 is inserted into the first receiving hole 10 and elastically connected with the terminal body 1, the electric wire connector 3 can be inserted into the second receiving hole 20 and push the terminal barrel 2 to move along the length direction of the first receiving hole 10, and the electric wire connector 3 and the terminal body 1 are fixed by a screw 4 passing through the first positioning hole 11 and the second positioning hole 21. It is understood that the terminals are provided on the electric energy meter for connection with the wires, and one wire is connected with one corresponding terminal. The end of the wire connected with the electric energy meter is a wire connector 3, the metal is exposed after the insulation layer on the outer side of the wire connector 3 is removed, and the metal part of the wire connector 3 is inserted into the wiring terminal, so that the electric connection between the wire and the electric energy meter is realized. In this embodiment, the terminal includes a terminal body 1 and a terminal barrel 2, and the terminal body 1 is provided with a first accommodation hole 10 for accommodating the terminal barrel 2, and the first accommodation hole is a blind hole with an open end. The terminal barrel 2 is provided with a second receiving hole 20 for receiving the wire terminal 3, and the second receiving hole 20 is a blind hole having one end opened. The terminal barrel 2 is a conductor, the terminal barrel 2 is inserted into the first accommodating hole 10 and can move along the axis direction of the first accommodating hole 10, the terminal body 1 is provided with a first positioning hole 11, the first positioning hole 11 is perpendicular to the first accommodating hole 10, the first positioning hole 11 is communicated with the first accommodating hole 10 and the outside of the terminal body 1, the first positioning hole 11 is a screw hole, and the first positioning hole 11 is provided with a screw 4. The terminal barrel 2 is provided with a second positioning hole 21, and the second positioning hole 21 is coaxially arranged with the first positioning hole 11. Since the terminal barrel 2 is movable along the first accommodation hole 10, when the second positioning hole 21 is moved to be coaxial with the first positioning hole 11, the screw 4 can simultaneously pass through the first positioning hole 11 and the second positioning hole 21, which is a locking position between the terminal body 1 and the terminal barrel 2. When the terminal fixing device is used, the wire connector 3 is inserted into the second accommodating hole 20, the wire connector 3 can push the terminal barrel 2 to move towards the inner side of the first accommodating hole 10 after being abutted to the bottom of the second accommodating hole 20 until the first positioning hole 11 and the second positioning hole 21 are coaxial, and the wire connector 3 and the terminal fixing device can be fixed by enabling the screw 4 to penetrate through the second positioning hole 21 and abut to the wire connector 3 after the wire connector 3 and the bottom of the second accommodating hole 20 are displaced and locked. The structure can ensure that the wire connector 3 is inserted to the bottom of the second accommodating hole 20, ensure that the wire connector 3 is electrically connected with the electric energy meter, and avoid meter burning accidents caused by poor contact. In the embodiment, the terminal body 1 and the terminal barrel 2 are provided with the first positioning hole 11 and the second positioning hole 21 corresponding to each other, the terminal barrel 2 is inserted into the terminal body 1, the wire connector 3 is inserted into the terminal barrel 2, and when the wire connector 3 is inserted to the bottom of the terminal barrel 2, the terminal barrel 2 can be pushed to move towards the inner side of the first accommodating hole 10, and the first positioning hole 11 corresponds to the second positioning hole 21, so that the fixing is realized. Has the characteristics of ensuring the in-place insertion of the wire connector 3 and improving the use safety.
Specifically, the first positioning hole 11 is a large and small hole, and the nut portion of the screw 4 is located in the large hole. This joint is favorable to making screw 4 wholly be located first locating hole 11, avoids screw 4 protrusion in the outer wall of terminal body 1, further improves the safety in utilization.
Specifically, the terminal of the electric energy meter further comprises a spring 5, and two ends of the spring 5 are respectively connected with the inside of the first accommodating hole 10 and the outer wall of the terminal barrel 2. In this embodiment, the spring 5 is a conductor, and the electric energy meter is electrically connected to the terminal barrel 2 through the spring 5. Before connection, under the action of the elastic force of the spring 5, the terminal barrel 2 moves towards the outer side of the first accommodating hole 10, and the open end of the terminal barrel 2 extends out of the first accommodating hole 10, so that the insertion of the wire connector 3 is facilitated. In use, the wire-terminal 3 is inserted into the second receiving hole 20 and pushes the terminal barrel 2 to move toward the inside of the first receiving hole 10, and the spring 5 is compressed. The operator's accessible judges the depth of insertion to the elasticity size of spring 5, is convenient for remove fast to the locking position.
Specifically, one of the inner wall of the terminal body 1 and the outer wall of the terminal barrel 2 is provided with a guide groove 12, and the other of the inner wall and the outer wall of the terminal barrel 2 is provided with a guide member which is fitted to the guide groove 12, is inserted into the guide groove 12, and enables the terminal barrel 2 to move in the length direction of the guide groove 12. In this embodiment, as shown in fig. 1 and 4, the guide grooves 12 are provided on the inner wall of the terminal body 1, the longitudinal direction of the guide grooves 12 is parallel to the longitudinal direction of the first accommodation hole 10, two guide grooves 12 are provided, and the two guide grooves 12 are located on the left and right sides of the longitudinal direction of the first accommodation hole 10. The guide piece is convexly arranged on the outer wall of the terminal cylinder 2, is inserted into the guide groove 12 and can slide along the guide groove 12. Set up guide way 12 and guide, be used for leading to terminal section of thick bamboo 2, make terminal section of thick bamboo 2 remove along the axis direction of first accommodation hole 10, avoid its radial rotation along first accommodation hole 10 to make first locating hole 11 and second locating hole 21 be located the coplanar all the time, so that two locating holes realize the location fast.
Specifically, the open end of the terminal barrel 2 extends out of the first accommodation hole 10, and the length of the terminal barrel 2 extending out of the first accommodation hole 10 is 2 to 10mm. It is understood that the open end of the terminal barrel 2 extends out of the first receiving hole 10, so that the open end protrudes out of the outer wall of the terminal body 1 to facilitate the plugging operation.
Specifically, as shown in fig. 2 and 3, the open end of the terminal barrel 2 is provided with a bent portion 22, one end of the bent portion 22 is connected to the open end of the terminal body 1, and the other end of the bent portion 22 extends in the circumferential direction of the open end, and enables the bent portion 22 to close the opening of the first accommodation hole 10. In the present embodiment, the bending portion 22 is in a shape of a horn, and one side of the bending portion 22 away from the opening end extends to the periphery of the opening to form a flange. And the clearance between the first accommodation hole 10 and the terminal barrel 2 is shielded by the flanged portion, so that external impurities, dust and the like are prevented from entering the first accommodation hole 10. When the terminal is mounted, the wire terminal 3 is inserted into the second receiving hole 20 and pushes the terminal barrel 2 to move toward the inside of the first receiving hole 10, and when the terminal is moved to the locking position, the bent portion 22 can abut against the open end of the terminal body 1, thereby blocking the first receiving hole 10.
Specifically, the bent portion 22 is provided with a rubber layer 23, and the rubber layer 23 can be sealingly connected with the open end of the terminal body 1. It is understood that the provision of the rubber layer 23 is advantageous in improving the sealability between the bent portion 22 and the open end of the terminal body 1.
Specifically, the terminal block of the electric energy meter further comprises a limiting device, the limiting device comprises two limiting pieces arranged in the first accommodating hole 10, and the terminal barrel 2 can move between the two limiting pieces. It will be appreciated that the purpose of the limiting element is to limit the range of movement of the terminal barrel 2 within the first receiving bore 10, and to avoid over-extension or compression of the spring 5 beyond this range, which could cause failure.
Specifically, this binding post of electric energy meter still includes positioner, and positioner is including setting up spring leaf 13 on terminal body 1 and setting up the recess on terminal barrel 2, and the one end of spring leaf 13 is provided with the location ball with recess complex, and when first locating hole 11 and second locating hole 21 were located same axis direction, the location ball can with the recess butt. In this embodiment, the spring piece 13 is disposed at a lower side of the first accommodation hole 10, the spring piece 13 has elasticity, the spring piece 13 is located between an inner wall of the first accommodation hole 10 and an outer wall of the terminal barrel 2, and the spring piece 13 is in a compressed state. When the terminal fitting 3 is mounted, the terminal fitting is inserted into the second receiving hole 20 and pushes the terminal barrel 2 to move toward the inside of the first receiving hole 10, and when the terminal fitting is moved to the lock position, the positioning ball moves to the recessed position and abuts against the recessed position by the spring piece 13. When the spring piece 13 springs the positioning ball into the groove, the terminal body 1 vibrates, an operator can judge that the positioning is completed through vibration, and the screw 4 penetrates through the first positioning hole 11 and the second positioning hole 21 to compress and fix the wire connector 3. The structure is beneficial to promoting the quick positioning between the terminal barrel 2 and the terminal body 1 and improving the operation efficiency.
Specifically, the terminal barrel 2 is made of copper material.
Still provide an electric energy meter, include foretell binding post. On this electric energy meter, a plurality of binding post intervals set up in a side of electric energy meter. The electric energy meter with the structure has the characteristic of high safety.
The remarkable effects of the embodiment are as follows: through set up to corresponding first locating hole 11 and second locating hole 21 on terminal body 1 and terminal section of thick bamboo 2, terminal section of thick bamboo 2 is inserted and is located in terminal body 1, and wire connector 3 is inserted and is located in terminal section of thick bamboo 2, can promote terminal section of thick bamboo 2 and move to the inboard of first accommodation hole 10 and make first locating hole 11 correspond in second locating hole 21 when wire connector 3 inserts to terminal section of thick bamboo 2 bottom, realizes fixedly. The wire connector has the characteristics of ensuring the in-place insertion of the wire connector 3 and improving the use safety.
The above description is only a preferred embodiment of the present invention, and it should not be understood that the present invention is limited to the details of the embodiment and the range of applications, which can be changed by those skilled in the art according to the spirit of the present invention.
Claims (9)
1. A connecting terminal of an electric energy meter is used for installing a wire connector and enabling the wire connector to be electrically connected with the electric energy meter, and is characterized by comprising a terminal body and a terminal barrel, wherein the terminal body is provided with a first accommodating hole, the terminal barrel is provided with a second accommodating hole, the hole walls of the first accommodating hole and the second accommodating hole are respectively provided with a corresponding first positioning hole and a corresponding second positioning hole, the terminal barrel is inserted into the first accommodating hole and elastically connected with the terminal body, the wire connector can be inserted into the second accommodating hole and pushes the terminal barrel to move along the length direction of the first accommodating hole, and screws penetrate through the first positioning hole and the second positioning hole to fix the wire connector and the terminal body;
the terminal barrel comprises a first accommodating hole and a terminal barrel, and is characterized by further comprising a spring, wherein two ends of the spring are respectively connected with the inner wall of the first accommodating hole and the outer wall of the terminal barrel.
2. The connection terminal of an electric energy meter according to claim 1, wherein one of the inner wall of the terminal body and the outer wall of the terminal barrel is provided with a guide groove, and the other of the inner wall and the outer wall of the terminal barrel is provided with a guide member engaged with the guide groove, the guide member being inserted into the guide groove and enabling the terminal barrel to move in a length direction of the guide groove.
3. The terminal block of the electric energy meter according to claim 1, wherein the open end of the terminal barrel extends out of the first accommodation hole, and the length of the terminal barrel extending out of the first accommodation hole is 3-10 mm.
4. The terminal block of the electric energy meter according to claim 3, wherein the open end of the terminal barrel is provided with a curved portion, one end of the curved portion is connected to the open end of the terminal body, and the other end of the curved portion extends in a circumferential direction of the open end and enables the curved portion to close the opening of the first accommodation hole.
5. A terminal block of an electric energy meter according to claim 4, wherein the bent portion is provided with a rubber layer capable of being sealingly connected with the open end of the terminal body.
6. The terminal block of the electric energy meter according to claim 1, further comprising a limiting device, wherein the limiting device comprises two limiting members disposed in the first accommodating hole, and the terminal barrel is capable of moving between the two limiting members.
7. The connection terminal of the electric energy meter according to claim 1, further comprising a positioning device, wherein the positioning device comprises a spring piece arranged on the terminal body and a groove arranged on the terminal barrel, one end of the spring piece is provided with a positioning ball matched with the groove, and when the first positioning hole and the second positioning hole are located in the same axial direction, the positioning ball can abut against the groove.
8. The terminal block of an electric energy meter according to claim 1, wherein the terminal barrel is made of copper material.
9. An electric energy meter comprising a terminal of an electric energy meter according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010517439.7A CN111679108B (en) | 2020-06-09 | 2020-06-09 | Binding post and electric energy meter of electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010517439.7A CN111679108B (en) | 2020-06-09 | 2020-06-09 | Binding post and electric energy meter of electric energy meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111679108A CN111679108A (en) | 2020-09-18 |
| CN111679108B true CN111679108B (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010517439.7A Active CN111679108B (en) | 2020-06-09 | 2020-06-09 | Binding post and electric energy meter of electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111679108B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485487B (en) * | 2020-11-12 | 2024-03-29 | 国网新疆电力有限公司巴州供电公司 | Electric energy meter wiring terminal |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0716391U (en) * | 1993-08-30 | 1995-03-17 | 矢崎総業株式会社 | Terminal inspection tool |
| CN2492854Y (en) * | 2001-07-30 | 2002-05-22 | 周贻学 | Twist pin board at electric power meter end |
| CN2687860Y (en) * | 2004-03-23 | 2005-03-23 | 张德辉 | Pressing type wiring terminal |
| CN106093503A (en) * | 2016-08-29 | 2016-11-09 | 王月园 | A kind of single-phase electric energy meter |
| CN106405182A (en) * | 2016-08-29 | 2017-02-15 | 王月园 | Single-phase meter |
| KR101847537B1 (en) * | 2017-12-20 | 2018-04-13 | 주식회사 위즈토리 | A cable connector |
| CN208818752U (en) * | 2018-09-27 | 2019-05-03 | 国网辽宁省电力有限公司锦州供电公司 | Connection box of electric energy meter terminal |
| CN209232985U (en) * | 2019-02-02 | 2019-08-09 | 温州明衡电子科技有限公司 | Tape cable connector |
| CN209822955U (en) * | 2019-06-04 | 2019-12-20 | 唐德科技（深圳）有限公司 | Error-proof plug connector without detecting line pressing depth |
-
2020
- 2020-06-09 CN CN202010517439.7A patent/CN111679108B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0716391U (en) * | 1993-08-30 | 1995-03-17 | 矢崎総業株式会社 | Terminal inspection tool |
| CN2492854Y (en) * | 2001-07-30 | 2002-05-22 | 周贻学 | Twist pin board at electric power meter end |
| CN2687860Y (en) * | 2004-03-23 | 2005-03-23 | 张德辉 | Pressing type wiring terminal |
| CN106093503A (en) * | 2016-08-29 | 2016-11-09 | 王月园 | A kind of single-phase electric energy meter |
| CN106405182A (en) * | 2016-08-29 | 2017-02-15 | 王月园 | Single-phase meter |
| KR101847537B1 (en) * | 2017-12-20 | 2018-04-13 | 주식회사 위즈토리 | A cable connector |
| CN208818752U (en) * | 2018-09-27 | 2019-05-03 | 国网辽宁省电力有限公司锦州供电公司 | Connection box of electric energy meter terminal |
| CN209232985U (en) * | 2019-02-02 | 2019-08-09 | 温州明衡电子科技有限公司 | Tape cable connector |
| CN209822955U (en) * | 2019-06-04 | 2019-12-20 | 唐德科技（深圳）有限公司 | Error-proof plug connector without detecting line pressing depth |
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| Publication number | Publication date |
|---|---|
| CN111679108A (en) | 2020-09-18 |
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