CN211555797U - Relay for electric energy meter - Google Patents
Relay for electric energy meter Download PDFInfo
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- CN211555797U CN211555797U CN202020488202.6U CN202020488202U CN211555797U CN 211555797 U CN211555797 U CN 211555797U CN 202020488202 U CN202020488202 U CN 202020488202U CN 211555797 U CN211555797 U CN 211555797U
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Abstract
The utility model relates to the technical field of relays, in particular to a relay for an electric energy meter, which comprises an electric meter body, a relay unit arranged on the electric meter body, a metal shielding shell sleeved outside the relay unit, and two current terminals arranged on the electric meter body; the temperature sensor is used for measuring the temperature value of the current terminal; the first output terminal comprises a head part and a tail part, the head part and the tail part are respectively connected to the manganin sampling piece, the head part is connected with or disconnected from the second output terminal, and the tail part is connected with the current terminal; the method comprises the steps that metering signals of the electric energy meter are collected through a manganin sampling piece, so that the electric energy consumption of the electric energy meter is known, and the metal shielding shell shields electromagnetic interference of an external magnetic field on a relay unit; the temperature sensor is used for measuring the actual temperature value of the current terminal, so that the problem that the collected metering signals are bad due to overhigh temperature value of the current terminal is avoided, and the accuracy of collecting the metering signals of the electric energy meter is improved.
Description
Technical Field
The utility model relates to a relay technical field especially discloses a relay for electric energy meter.
Background
The electric energy meter is one of basic measuring products of electric energy consumption of electric equipment, and in the use process of the electric energy meter, a relay with the electric energy consumption measurement function is often required to be configured.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a relay for an electric energy meter, wherein a metal shielding shell shields the electromagnetic interference of an external magnetic field to a relay unit; the temperature sensor is used for measuring the actual temperature value of the current terminal, so that the problem that the collected metering signals are bad due to overhigh temperature value of the current terminal is avoided, and the accuracy of collecting the metering signals of the electric energy meter is improved.
In order to achieve the above object, the utility model discloses a relay for electric energy meter, including the ammeter body, set up in the relay unit of ammeter body, the metal shielding shell that the cover was located the relay unit outside, set up in two current terminals of ammeter body, the relay unit disposes the first output terminal and the second output terminal that are used for switching on or off, first output terminal, second output terminal respectively with two current terminal electrical conductivity; the temperature sensor is used for measuring the temperature value of the current terminal; the first output terminal comprises a head part and a tail part, the head part and the tail part are respectively connected to the manganin sampling piece, the manganin sampling piece is provided with two sampling terminals, the head part, the manganin sampling piece and the tail part form a Z shape, the manganin sampling piece and the tail part are positioned on one side of the head part close to the second output terminal, the head part is connected with or disconnected with the second output terminal, and the tail part is connected with the current terminal.
Furthermore, the number of the temperature sensors is two, the two temperature sensors are respectively arranged on the two current terminals, and the two temperature sensors respectively measure the temperature values of the two current terminals.
Furthermore, the current terminal is provided with a concave hole, the concave hole is formed by the concave arrangement of the outer surface of the current terminal, and the temperature sensor is arranged in the concave hole.
Furthermore, the concave hole is a blind hole, and the bottom wall of the concave hole is used for blocking and abutting against the temperature sensor.
The current terminal is provided with a containing hole and a threaded hole communicated with the containing hole, the threaded pressing column is in threaded connection with the threaded hole and extends into the containing hole, the containing hole is used for containing an external conductor, and the threaded pressing column is used for pressing and holding the conductor in the containing hole on the inner hole wall of the containing hole.
Further, the circuit board is installed to the ammeter body, and head, afterbody, second output terminal, temperature sensor all are equipped with the welding foot, and sampling terminal, all welding feet all weld on the circuit board, and the welding foot of head, the welding foot of afterbody are located the both sides of manganin sampling piece respectively.
Furthermore, the device also comprises a flexible conducting wire and a buckling part detachably connected with the manganin sampling part, wherein the buckling part presses and holds the flexible conducting wire on the manganin sampling part, a through hole penetrating through the manganin sampling part is formed in the middle of the manganin sampling part, one end of the flexible conducting wire is communicated with one sampling terminal, the middle of the flexible conducting wire penetrates through the manganin sampling part through the through hole, the other end of the flexible conducting wire and the other sampling terminal are welded on a circuit board of the electric energy meter, and one end of the flexible conducting wire and the other end of the flexible conducting wire are respectively positioned on two sides of the manganin sampling part.
Furthermore, buckle spare includes the mainboard, sets up in the discount of mainboard, and the mainboard is contradicted to press and is held on one side of manganin sampling spare, and the free end of discount is equipped with the card protrudingly, and the protruding conflict of card is pressed and is held on one side that the mainboard was kept away from to the manganin sampling spare, and the manganin sampling spare is cliied to mainboard, card protrudingly, and the mainboard is equipped with the storage tank that holds and establish soft wire.
Further, the two sampling terminals are respectively positioned at two ends of the manganin sampling piece, which are far away from each other.
The utility model has the advantages that: in the using process of the electric energy meter, the metering signals of the electric energy meter are collected through the manganin sampling piece, so that the electric energy consumption of the electric energy meter is known, and the metal shielding shell shields the electromagnetic interference of an external magnetic field to the relay unit; the temperature sensor is used for measuring the actual temperature value of the current terminal, so that the problem that the collected metering signals are bad due to overhigh temperature value of the current terminal is avoided, and the accuracy of collecting the metering signals of the electric energy meter is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic diagram of the explosion structure of the present invention;
fig. 3 is a schematic perspective view of the first output terminal, the fastener, and the flexible conductive wire according to the present invention.
The reference numerals include:
1-ammeter body 2-relay unit 3-metal shielding shell
4-current terminal 5-first output terminal 6-second output terminal
7-temperature sensor 8-manganin sampling piece 9-head
11-tail part 12-concave hole 13-containing hole
14-circuit board 15-flexible conducting wire 16-fastener
17-perforation 18-main board 19-block projection
21-accommodating groove 22-welding pin 81-sampling terminal.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.
Please refer to fig. 1 to 3, the utility model discloses a relay for electric energy meter, including ammeter body 1, the installation sets up relay unit 2 on ammeter body 1, the installation cover is established at the metallic shield shell 3 in the relay unit 2 outside, two current terminals 4 of installation setting on ammeter body 1, ammeter body 1 adopts insulating plastic to make, relay unit 2 disposes and is used for switching on or the first output terminal 5 and the second output terminal 6 of disconnection, first output terminal 5, second output terminal 6 respectively with two current terminal 4 electrical property switch on.
The device also comprises a temperature sensor 7 and a manganin sampling piece 8, wherein the temperature sensor 7 is used for measuring the temperature value of the current terminal 4; first output terminal 5 includes head 9 and afterbody 11, and head 9, afterbody 11 are connected respectively on the both ends about manganin sampling 8, and manganin sampling 8 has two sampling terminals 81, and two sampling terminals 81 are located the both ends that manganin sampling 8 kept away from each other respectively, and in this embodiment, two sampling terminals 81 are located the upper and lower both ends of manganin sampling 8 respectively.
The head part 9, the manganin sampling piece 8 and the tail part 11 form a Z shape, the manganin sampling piece 8 and the tail part 11 are positioned on one side of the head part 9 close to the second output terminal 6, the compactness of the layout structure of the first output terminal 5 and the second output terminal 6 is ensured, the volume of the relay unit 2 is reduced, the miniaturization development trend is met, the head part 9 is connected or disconnected with the second output terminal 6, and the tail part 11 is connected with the current terminal 4.
In the using process of the electric energy meter, the metering signals of the electric energy meter are collected through the manganin sampling piece 8, so that the electric energy consumption of the electric energy meter is known, and the metal shielding shell 3 shields the electromagnetic interference of an external magnetic field to the relay unit 2; the temperature sensor 7 is used for measuring the actual temperature value of the current terminal 4, so that the problem that the collected metering signals are bad due to overhigh temperature value of the current terminal 4 is avoided, and the accuracy of collecting the metering signals of the electric energy meter is improved.
The number of the temperature sensors 7 is two, the two temperature sensors 7 are respectively arranged on the two current terminals 4, and the two temperature sensors 7 respectively measure the temperature values of the two current terminals 4. The accuracy of measuring the temperatures of the two current terminals 4 is realized, and compared with the method of only arranging one temperature sensor 7 to measure the temperature value of one current terminal 4, the method avoids the poor use caused by the overhigh temperature of the other current terminal 4.
Through the arrangement of the concave hole 12, on one hand, the contact area between the current terminal 4 and the temperature sensor 7 is increased, and the accuracy of temperature measurement of the temperature sensor 7 is ensured; on the other hand, with the help of the characteristics of expansion with heat and contraction with cold, the friction force between the temperature sensor 7 and the inner hole wall of the concave hole 12 of the current terminal 4 is increased along with the increase of the temperature, so that the temperature sensor 7 is ensured to be stably installed on the current terminal 4, and the temperature sensor 7 is prevented from falling off from the current terminal 4.
The concave hole 12 is a blind hole, and the bottom wall of the concave hole 12 is used for blocking and abutting against the temperature sensor 7. The temperature sensor 7 is arranged in the concave hole 12, and the bottom wall of the concave hole is used for stopping and abutting against the temperature sensor 7 in the installation process of the temperature sensor 7 and the current terminal 4, so that the poor use caused by the over-arrangement of the temperature sensor 7 is avoided.
The current terminal 4 is provided with a containing hole 13 and a threaded hole communicated with the containing hole 13, the containing hole 13 is formed by recessing one side of the current terminal 4, which is far away from the output terminal, and the threaded hole is formed by recessing the side surface of the current terminal 4, preferably, the containing hole 13 does not penetrate through the current terminal 4, the threaded pressing column is screwed in the threaded hole and extends into the containing hole 13, the containing hole 13 is used for containing an external conductor, and the threaded pressing column is used for pressing and holding the conductor in the containing hole 13 on the inner hole wall of the containing hole 13.
Install circuit board 14 on the ammeter body 1, head 9, afterbody 11, second output terminal 6, temperature sensor 7 all are provided with welding foot 22, and sampling terminal 81, all welding feet 22 all weld on circuit board 14, and the welding foot 22 of head 9, afterbody 11 are located the left and right sides of manganin sampling spare 8 respectively. The two ends of the manganin sampling piece 8 are ensured to be stressed approximately uniformly, dislocation and disengagement between the manganin sampling piece 8 and the head part 9 and between the manganin sampling piece 8 and the tail part 11 are avoided, and the safety use performance is improved.
Still include flexible wire 15, with the buckle spare 16 that manganin sampling 8 can dismantle the connection, buckle spare 16 presses flexible wire 15 to hold on manganin sampling 8, compares in adopting the stereoplasm wire, promotes the convenience of installation with the help of the characteristic of the easy buckling of flexible wire 15.
The middle part of the manganin sampling piece 8 is provided with a through hole 17 penetrating through the manganin sampling piece 8, one end of a flexible lead 15 is welded and communicated with one sampling terminal 81, the middle part of the flexible lead 15 penetrates through the manganin sampling piece 8 through the through hole 17, the other end of the flexible lead 15 and the other sampling terminal 81 are welded on a circuit board 14 of the electric energy meter, and one end of the flexible lead 15 and the other end of the flexible lead 15 are respectively positioned at the left side and the right side of the manganin sampling piece 8.
Through the arrangement of the flexible lead 15, when an external magnetic field generates electromagnetic interference on the flexible lead 15, the interference generated by the external magnetic field on one end of the flexible lead 15 and the interference generated on the other end of the flexible lead 15 are mutually offset, so that the interference of the external magnetic field is further reduced, the sampling accuracy of the manganin sampling piece 8 is improved, and the accuracy of the electricity consumption measurement of the electric energy meter is improved.
The buckle piece 16 comprises a main board 18 and a buckle head arranged on the main board 18, the buckle piece 16 is a plastic piece, the buckle piece 16 is of an integrated structure, the main board 18 is roughly flat, the main board 18 is abutted and pressed on one side of the manganin sampling piece 8, a clamping bulge 19 is arranged at the free end of the buckle head, the clamping bulge 19 is abutted and pressed on one side, far away from the main board 18, of the manganin sampling piece 8, and the main board 18 and the clamping bulge 19 are utilized to clamp the manganin sampling piece 8. The matching of the main plate 18 and the clamping protrusion 19 is utilized to clamp the clamping part 16 and the manganin sampling part 8 together, so that the convenience of mounting or dismounting the clamping part 16 and the manganin sampling part 8 is improved.
The main board 18 is provided with a receiving groove 21 for receiving the flexible conductive wire 15. On one hand, the flexible conducting wire 15 is prevented from being damaged by the main board 18 and the manganin sampling piece 8, and on the other hand, the flexible conducting wire 15 is prevented from moving between the main board 18 and the manganin sampling piece 8 by the inner wall of the containing groove 21 stopping and abutting against the flexible conducting wire 15.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (9)
1. A relay for an electric energy meter comprises a meter body, a relay unit arranged on the meter body, a metal shielding shell sleeved outside the relay unit, and two current terminals arranged on the meter body, wherein the relay unit is provided with a first output terminal and a second output terminal which are used for conducting or disconnecting, and the first output terminal and the second output terminal are respectively electrically conducted with the two current terminals; the method is characterized in that: the temperature sensor is used for measuring the temperature value of the current terminal; the first output terminal comprises a head part and a tail part, the head part and the tail part are respectively connected to the manganin sampling piece, the manganin sampling piece is provided with two sampling terminals, the head part, the manganin sampling piece and the tail part form a Z shape, the manganin sampling piece and the tail part are positioned on one side of the head part close to the second output terminal, the head part is connected with or disconnected with the second output terminal, and the tail part is connected with the current terminal.
2. The relay for electric energy meters according to claim 1, characterized in that: the number of the temperature sensors is two, the two temperature sensors are respectively arranged on the two current terminals, and the two temperature sensors respectively measure the temperature values of the two current terminals.
3. The relay for electric energy meters according to claim 1, characterized in that: the current terminal is provided with a concave hole, the concave hole is formed by concave arrangement of the outer surface of the current terminal, and the temperature sensor is arranged in the concave hole.
4. The relay for electric energy meters according to claim 3, characterized in that: the concave hole is a blind hole, and the bottom wall of the concave hole is used for blocking and abutting against the temperature sensor.
5. The relay for electric energy meters according to claim 1, characterized in that: the current terminal is provided with a containing hole and a threaded hole communicated with the containing hole, the threaded pressing column is in threaded connection with the threaded hole and extends into the containing hole, the containing hole is used for containing an external conductor, and the threaded pressing column is used for pressing and holding the conductor in the containing hole on the inner hole wall of the containing hole.
6. The relay for electric energy meters according to claim 1, characterized in that: the circuit board is installed to the ammeter body, and head, afterbody, second output terminal, temperature sensor all are equipped with the welding foot, and sampling terminal, all welding feet all weld on the circuit board, and the welding foot of head, the welding foot of afterbody are located the both sides of manganin sampling spare respectively.
7. The relay for electric energy meters according to claim 1, characterized in that: the device comprises a flexible conducting wire and a manganin sampling piece, wherein the manganin sampling piece is detachably connected with a buckling piece, the buckling piece presses and holds the flexible conducting wire on the manganin sampling piece, a through hole penetrating through the manganin sampling piece is formed in the middle of the manganin sampling piece, one end of the flexible conducting wire is communicated with one sampling terminal, the middle of the flexible conducting wire penetrates through the manganin sampling piece through the through hole, the other end of the flexible conducting wire and the other sampling terminal are welded on a circuit board of an electric energy meter, and one end of the flexible conducting wire and the other end of the flexible conducting wire are respectively located on two sides of the manganin sampling piece.
8. The relay for electric energy meters according to claim 7, characterized in that: the buckle piece comprises a main board and a buckle head arranged on the main board, the main board is abutted and pressed on one side of the manganin sampling piece, the free end of the buckle head is provided with a clamping protrusion, the clamping protrusion is abutted and pressed on one side of the manganin sampling piece far away from the main board, the manganin sampling piece is clamped by the main board and the clamping protrusion, and the main board is provided with a containing groove for containing the flexible lead.
9. The relay for electric energy meters according to claim 7, characterized in that: the two sampling terminals are respectively positioned at two ends of the manganin sampling piece, which are far away from each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020488202.6U CN211555797U (en) | 2020-04-03 | 2020-04-03 | Relay for electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020488202.6U CN211555797U (en) | 2020-04-03 | 2020-04-03 | Relay for electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211555797U true CN211555797U (en) | 2020-09-22 |
Family
ID=72496491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020488202.6U Active CN211555797U (en) | 2020-04-03 | 2020-04-03 | Relay for electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211555797U (en) |
-
2020
- 2020-04-03 CN CN202020488202.6U patent/CN211555797U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 239499 east of Wuyi Road, south of LINGJI Avenue, Mingguang Industrial Park, Chuzhou City, Anhui Province Patentee after: Mingguang Sanyou Power Technology Co.,Ltd. Address before: 239499 east of Wuyi Road, south of LINGJI Avenue, Mingguang Industrial Park, Chuzhou City, Anhui Province Patentee before: MINGGUANG WANJIA LIANZHONG ELECTRONIC Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |