CN214845429U - Terminal structure of multi-core electric energy meter - Google Patents
Terminal structure of multi-core electric energy meter Download PDFInfo
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- CN214845429U CN214845429U CN202120645904.5U CN202120645904U CN214845429U CN 214845429 U CN214845429 U CN 214845429U CN 202120645904 U CN202120645904 U CN 202120645904U CN 214845429 U CN214845429 U CN 214845429U
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Abstract
The utility model provides a terminal structure of multicore electric energy meter relates to electric energy meter technical field, has solved complicated, the installation difficulty technical problem of process that traditional heat conduction glue brought as the adhesive. The utility model comprises a shell, a copper cap column arranged in the shell, and a sealing cover, a current transformer terminal base, a manganese copper shunt terminal base and a temperature sensor which are welded in the shell; the copper terminal is welded on the shell; the temperature sensor is wrapped by the wrapping, and the current transformer terminal base and the manganin shunt terminal base are respectively welded on the wrapping; one end of the copper cap column is fixedly sleeved with the temperature sensor, and the other end of the copper cap column is inserted into and connected with the copper terminal. The utility model discloses make temperature sensor convenient, swift fixed connection on the copper terminal, can also make temperature sensor convenient dismantlement, consequently, have simple structure, practical operation, simplify characteristics such as process flow, saving cost.
Description
Technical Field
The utility model relates to an electric energy meter technical field especially relates to a terminal structure of multicore electric energy meter.
Background
Along with the continuous increase of ammeter function, the integration degree is higher and higher, and circuit design is more and more complicated, and the fault incidence of corresponding ammeter is also higher and more. The common problems are that when the electric meter is installed, the electric meter is burnt due to looseness of an electric meter terminal caused by human or other factors, most of the precursors of the electric meter burning are abnormal rise of the temperature of the electric meter terminal, and the electric meter burning not only causes inconvenience for daily electricity consumption of users, but also brings unnecessary economic loss to property management departments due to high cost of the electric meters at present.
Therefore, the technical standards of the multi-core electric energy meter of the new generation have clearly required that the electric energy meter should provide a terminal block temperature monitoring function, and limit values are set for the terminal block temperature, the terminal block temperature minute variation and the terminal block temperature imbalance degree and are monitored. Meanwhile, the temperature sensor is suggested to be implanted into the copper terminal after being insulated and encapsulated for temperature measurement. However, in the method for fixedly connecting the temperature sensor and the copper terminal of the electric meter, the heat-conducting glue is additionally added to serve as the adhesive, so that the installation process is complex, the labor is consumed for a long time, and the whole process flow can only be manually operated due to the influence that the temperature sensor and the copper terminal of the electric meter cannot be detached after being installed and fixed, the automatic production cannot be arranged, the production cost is increased, and the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an one of them purpose provides a terminal structure of multicore electric energy meter, has solved among the prior art leading-in heat-conducting glue as the process complicacy that the adhesive brought, the technical problem of installation difficulty. The utility model discloses preferred technical scheme can reach a great deal of beneficial technological effect, specifically see the following explanation.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model discloses a terminal structure of multicore electric energy meter, it includes: the temperature sensor comprises a shell, a copper cap column arranged in the shell, and an envelope, a current transformer terminal base, a manganin shunt terminal base and a temperature sensor which are welded in the shell; the copper terminal is welded on the shell;
the temperature sensor is wrapped by the wrapping, and the current transformer terminal base and the manganin shunt terminal base are respectively welded on the wrapping; one end of the copper cap column is fixedly sleeved with the temperature sensor, and the other end of the copper cap column is inserted into and connected with the copper terminal.
Further, for realizing better the utility model discloses, adopt the following structure that sets up very much: the copper cap post includes: a copper cap sleeve and a copper stud; the copper cap is sleeved with an inner concave hole, and the surface of the copper stud is provided with a first thread;
the copper cap sleeve is used for sleeving or clamping the temperature sensor through the concave hole;
one end of the copper stud is welded with the copper cap sleeve, and the other end of the copper stud is inserted into and connected with the copper terminal.
Further, for realizing better the utility model discloses, adopt the following structure that sets up very much: the copper terminal includes: the contact structure comprises a copper bar and a bakelite terminal base, wherein the bakelite terminal base is provided with an insertion hole, and one end of the copper bar is provided with a contact hole;
the bakelite terminal block is buckled at the bottom in the shell;
the copper bar is inserted into the jack and clamped in the bakelite terminal block.
Further, for realizing better the utility model discloses, adopt the following structure that sets up very much: and a second thread is arranged in the contact hole.
Further, for realizing better the utility model discloses, adopt the following structure that sets up very much: the copper stud is inserted into the contact hole and is connected to the contact hole through the mutual matching of the first thread and the second thread.
Further, for realizing better the utility model discloses, adopt the following structure that sets up very much: the bakelite terminal block is provided with a screw hole for matching with a screw to fix a wiring.
Further, for realizing better the utility model discloses, adopt the following structure that sets up very much: the encapsulation is an insulating encapsulation.
The utility model provides a pair of terminal structure of multicore electric energy meter has following beneficial technological effect at least:
the utility model relates to a terminal structure of multicore electric energy meter comprises casing, copper cap post, seals, current transformer terminal seat, manganese copper shunt terminal seat, temperature sensor, copper terminal. The temperature sensor is wrapped by the wrapping, and the current transformer terminal base and the manganin shunt terminal base are respectively welded on the wrapping; one end of the copper cap column is fixedly sleeved with the temperature sensor, and the other end of the copper cap column is inserted into and connected with the copper terminal. Therefore, the utility model discloses guarantee under all the normal prerequisite of function, temperature sensor directly is connected with the copper terminal through the copper cap post, need not any middle adhesive, has simple structure, practical operation, installation and demolishs convenient characteristics. Meanwhile, the temperature sensors are uniformly installed and fixed on the copper terminals by a manufacturer, and only welding hole positions of the circuit board need to be positioned during subsequent electric energy meter assembly, and welding spot butt joint is carried out, so that automatic production is realized, and the production efficiency of the electric energy meter is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic plan view of the overall structure of the present invention;
fig. 2 is a schematic view of the internal structure of the housing of the present invention;
fig. 3 is a schematic view of the bakelite terminal block and the temperature sensor according to the present invention;
FIG. 4 is a schematic view of the copper cap pillar structure of the present invention;
fig. 5 is a schematic structural view of the bakelite terminal block of the present invention.
In the figure, 1-shell, 2-copper cap column, 3-encapsulation, 4-current transformer terminal base, 5-manganin shunt terminal base, 6-temperature sensor, 7-copper terminal and 8-PCB; 21-copper cap sleeve, 22-copper stud and 23-concave hole; 71-copper bar, 72-bakelite terminal block, 73-jack, 74-contact hole, 75-screw hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, 2 and 3, the utility model relates to a terminal structure of multicore electric energy meter, include: the temperature sensor comprises a shell 1, a copper cap column 2 arranged in the shell 1, and an envelope 3, a current transformer terminal base 4, a manganin shunt terminal base 5 and a temperature sensor 6 which are welded in the shell 1; the copper terminal 7 is welded on the shell 1;
the temperature sensor 6 is wrapped by the wrapping 3, and the current transformer terminal base 4 and the manganin shunt terminal base 5 are respectively welded on the wrapping 3; one end of the copper cap column 2 is fixedly sleeved with the temperature sensor 6, and the other end of the copper cap column 2 is inserted and connected with the copper terminal 7.
It should be noted that one package 3, one temperature sensor 6 and one copper cap pillar 2 constitute one temperature sensor structure. The utility model discloses an at least four temperature sensor structures of installing on copper terminal 7 are first temperature sensor structure, second temperature sensor structure, third temperature sensor structure and fourth temperature sensor structure respectively, and wherein, 5 bridge type welds in first temperature sensor structure and second temperature sensor structure at manganin shunt terminal seat, and current transformer terminal seat 4 welds between third temperature sensor structure and fourth temperature sensor structure. In addition, the pin direction of each temperature sensor 6 in the temperature sensor structure is consistent, and the temperature sensors are conveniently connected with a PCB (printed circuit board) 8 in the electric energy meter through lines.
The utility model discloses guarantee under the normal prerequisite of all functions, temperature sensor 6 is direct to be connected with copper terminal 7 through copper cap post 2, need not any middle adhesive, has simple structure, practical operation, installation and demolishs convenient characteristics. Meanwhile, the temperature sensors 6 are uniformly installed and fixed on the copper terminals 7 by a manufacturer, and only welding hole positions of the circuit board need to be positioned during subsequent electric energy meter assembly, and welding spot butt joint is carried out, so that automatic production is realized, and the production efficiency of the electric energy meter is improved.
As shown in fig. 4, the copper cap pillar 2 includes: a copper cap 21 and a copper stud 22; the copper cap sleeve 21 is provided with an inner concave hole 23, and the surface of the copper stud 22 is provided with a first thread;
the copper cap sleeve 21 is used for sleeving or clamping the temperature sensor 6 through the concave hole 23;
one end of the copper stud 22 is welded with the copper cap sleeve 21, and the other end is inserted and connected with the copper terminal 7.
As shown in fig. 5, the copper terminal 7 includes: the connecting structure comprises a copper bar 71 and a bakelite terminal block 72, wherein the bakelite terminal block 72 is provided with an insertion hole 73, a second thread is arranged in a contact hole 74, and one end of the copper bar 71 is provided with the contact hole 74;
the bakelite terminal block 72 is fastened to the bottom in the shell 1;
the copper bar 71 is inserted into the insertion hole 73 and is clamped to the bakelite terminal block 72.
The copper stud 22 is inserted into the contact hole 74 and is connected to the contact hole 74 by the first and second screw threads being engaged with each other.
The bakelite terminal block 72 is tightly fastened to the bottom of the housing 1, and is not easy to fall off. The copper bar 71 is also tightly clamped in the bakelite terminal block 72, and one end of the copper bar 71 with the contact hole 74 extends out of the bakelite terminal block 72, so that the copper stud 22 of the copper cap column 2 is in threaded fit connection with the contact hole 74, and the temperature sensor 6 is fixedly connected to the copper bar 71 through the copper cap column 2.
The copper terminal 7 is connected with the copper cap column 2 in a matched mode, the temperature sensor 6 is also stably connected to the copper terminal 7, any complex procedure is not needed, the operation process is simplified, the cost is saved, and the production efficiency of the electric energy meter is improved.
The bakelite terminal block 72 is provided with a screw hole 75 for matching with a screw to fix a wiring.
It should be noted that, the electric energy meter itself has the PCB 8 built in the casing 1, and the wires such as the wires or the signal lines connected to the copper terminals 7 all need to pass through the screw holes 75 on the bakelite terminal block 72, and then the screws are used to fix the wires, so that the wires are successfully connected to transmit the current, the voltage or the signals.
The envelope 3 is an insulating envelope. The encapsulation 3, which may also be referred to as an encapsulation layer, is applied to the part, in this case the sensor, by painting, dipping, spraying, etc., and is used to coat the entire outer surface of the sensor as a protective coating or insulating layer. Therefore, the envelope 3 of the present invention plays a role of preventing the electric leakage.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A terminal structure of a multi-core electric energy meter, comprising: the temperature sensor comprises a shell, a copper cap column arranged in the shell, and an envelope, a current transformer terminal base, a manganin shunt terminal base and a temperature sensor which are welded in the shell; the copper terminal is welded on the shell;
the temperature sensor is wrapped by the wrapping, and the current transformer terminal base and the manganin shunt terminal base are respectively welded on the wrapping; one end of the copper cap column is fixedly sleeved with the temperature sensor, and the other end of the copper cap column is inserted into and connected with the copper terminal.
2. The terminal structure of claim 1, wherein the copper cap post comprises: a copper cap sleeve and a copper stud; the copper cap is sleeved with an inner concave hole, and the surface of the copper stud is provided with a first thread;
the copper cap sleeve is used for sleeving or clamping the temperature sensor through the concave hole;
one end of the copper stud is welded with the copper cap sleeve, and the other end of the copper stud is inserted into and connected with the copper terminal.
3. The terminal structure of claim 2, wherein the copper terminal comprises: the contact structure comprises a copper bar and a bakelite terminal base, wherein the bakelite terminal base is provided with an insertion hole, and one end of the copper bar is provided with a contact hole;
the bakelite terminal block is buckled at the bottom in the shell;
the copper bar is inserted into the jack and clamped in the bakelite terminal block.
4. A terminal structure according to claim 3, wherein a second thread is provided in the contact hole.
5. The terminal structure according to any one of claims 4, wherein the copper stud is inserted into the contact hole and is connected to the contact hole by a first thread and a second thread which are engaged with each other.
6. The terminal structure of claim 3, wherein the bakelite terminal block is provided with a screw hole for cooperating with a screw to fix the connection.
7. The terminal structure of claim 1, wherein the encapsulation is an insulating encapsulation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020204347981 | 2020-03-30 | ||
| CN202020434798 | 2020-03-30 |
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| Publication Number | Publication Date |
|---|---|
| CN214845429U true CN214845429U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120645904.5U Active CN214845429U (en) | 2020-03-30 | 2021-03-30 | Terminal structure of multi-core electric energy meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117091712A (en) * | 2023-10-20 | 2023-11-21 | 杭州得明电子有限公司 | Manganese copper temperature testing method and device for IR46 Internet of things meter |
-
2021
- 2021-03-30 CN CN202120645904.5U patent/CN214845429U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117091712A (en) * | 2023-10-20 | 2023-11-21 | 杭州得明电子有限公司 | Manganese copper temperature testing method and device for IR46 Internet of things meter |
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Address after: 3rd Floor, Building 6, Guangqian Industrial Zone, Longzhu 3rd Road, Longzhu 3rd Road, Longguang Community, Taoyuan Street, Nanshan District, Shenzhen, Guangdong Province, 518000 Patentee after: SHENZHEN FRIENDCOM TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 518000 6th floor, building 17, Guangqian Industrial Zone, Taoyuan Street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN FRIENDCOM TECHNOLOGY DEVELOPMENT Co.,Ltd. |