CN220188599U - Device for conveniently suppressing power frequency magnetic field interference by using electric energy meter - Google Patents
Device for conveniently suppressing power frequency magnetic field interference by using electric energy meter Download PDFInfo
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- CN220188599U CN220188599U CN202320661195.9U CN202320661195U CN220188599U CN 220188599 U CN220188599 U CN 220188599U CN 202320661195 U CN202320661195 U CN 202320661195U CN 220188599 U CN220188599 U CN 220188599U
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- circuit board
- main body
- electric energy
- board main
- energy meter
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- 230000002401 inhibitory effect Effects 0.000 claims abstract description 5
- 238000005070 sampling Methods 0.000 abstract description 10
- 230000006698 induction Effects 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- HPDFFVBPXCTEDN-UHFFFAOYSA-N copper manganese Chemical compound [Mn].[Cu] HPDFFVBPXCTEDN-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000000452 restraining effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of electric energy metering of an electric power system, in particular to a device which is convenient for inhibiting the interference of a power frequency magnetic field by using an electric energy meter, comprising a circuit board main body and a body assembly, wherein the circuit board main body is provided with a plurality of circuit boards; the body component comprises a rubber core, a contact pin and an auxiliary member, wherein the rubber core is connected with the circuit board main body and is positioned at one side of the circuit board main body; the contact pin is connected with the rubber core and is positioned at one side of the rubber core, and the auxiliary component is connected with the circuit board main body, so that the induction current on the current sampling loop of the electric energy meter can meet the requirement through corresponding adjustment of the device.
Description
Technical Field
The utility model relates to the technical field of electric energy metering of an electric power system, in particular to a device which is convenient for inhibiting power frequency magnetic field interference by using an electric energy meter.
Background
Because the power frequency magnetic field exists around the electric energy meter, the metering error of the electric energy meter is affected, and the error exceeds the standard range, a circuit or a device for inhibiting the power frequency magnetic field is arranged inside the electric energy meter; under the interference of a 0.5mT power frequency magnetic field, the electric energy meter has small current line signal of a manganese-copper sampling loop and is greatly influenced.
At present, a plurality of ways for inhibiting the power frequency magnetic field intensity on a current sampling loop exist: for example, a method for restraining two-wire cross winding on a manganese copper sample, a method for restraining a plug-in circuit board designed on a manganese copper sample pin, a method for restraining wiring designed on a PCB board, and the like. The structure of the electric energy meter tends to be an integrated hard link design, so that the flexible wire cross and the externally-hung circuit board are inconvenient for industrial automation production;
at present, the functions of the electric energy meter are increased, and the universality of each manufacturer of the manganese copper sampling device is further improved, so that the wiring space on the PCB is limited, and the debugging is inconvenient. The above-mentioned several ways of suppressing the power frequency magnetic field at 0.5mT have failed to meet the requirements. The simple and low-cost device is designed, and the power frequency magnetic field interference can be better and finer suppressed. On purchasing, the method provides choices for a plurality of general metering circuits without changing hardware foundation; the simple device is fixed, so that the production is convenient; and quality assurance is provided for the consistency of mass production of each product.
Disclosure of Invention
The utility model aims to provide a simple and low-cost antimagnetic device, which can be adjusted under the action of a 0.5mT power frequency magnetic field, so that the induced current on a current sampling loop of an electric energy meter meets the requirements, thereby being convenient for design, saving the design cost, facilitating purchase and being suitable for batch production.
In order to achieve the above purpose, the utility model provides a device which uses an electric energy meter to conveniently inhibit the interference of a power frequency magnetic field, comprising a circuit board main body and a body component;
the body component comprises a rubber core, a contact pin and an auxiliary member, wherein the rubber core is connected with the circuit board main body and is positioned at one side of the circuit board main body; the contact pin is connected with the rubber core and is positioned at one side of the rubber core, and the auxiliary component is connected with the circuit board main body.
The auxiliary component comprises a fixed bracket, a sleeved plate and a connecting part, wherein the fixed bracket is connected with the contact pin and is fixedly arranged on the circuit board main body; the sleeve board is connected with the contact pin, connected with the circuit board main body through the connecting component and positioned on one side of the circuit board main body.
The connecting component comprises a guide table and a connecting table, wherein the guide table is fixedly connected with the circuit board main body and is positioned at one side of the circuit board main body; the connecting table is connected with the guide table and is fixedly arranged on one side of the sleeving plate.
The connecting table is provided with a side boss and a connecting groove, and the side boss is positioned on one side of the connecting table; the connecting groove is positioned on one side of the connecting table, which is close to the guide table.
The fixing support is provided with a sleeved groove and a supporting boss, and the sleeved groove is positioned at one side of the fixing support, which is close to the contact pin; the support boss is located at one side of the fixed support.
According to the device for conveniently suppressing the interference of the power frequency magnetic field by using the electric energy meter, the insertion height of the pin is adjusted through the connection of the rubber core and the pin, so that the closed loop area can be changed through the adjustment of the insertion height of the pin, the connection of the pin and the rubber core is not affected when the pin is twisted when the front surface of the electric energy meter is parallel to the magnetic field, the induced electromotive force generated by a front cross circuit of a manganese-copper sampling device is suppressed through the change of the closed loop area, meanwhile, when a user needs to change the corresponding closed loop area through the bending of the pin, the connection table can be directly stirred, the connection table drives the sleeving plate to rotate on the guide table, the upper end of the pin can be driven to twist through the rotation of the sleeving plate, and meanwhile, the connection of the pin and the rubber core is not affected when the pin is twisted, so that the current sampling loop of the electric energy meter is more stable when the adjustment is performed, and the induction current on the current sampling loop meets the requirements through the corresponding adjustment of the device.
Drawings
In order to more clearly illustrate the embodiments of the present utility model 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.
Fig. 1 is a schematic structural diagram of an overall device for suppressing interference of a power frequency magnetic field by using an electric energy meter according to a first embodiment of the present utility model.
Fig. 2 is a schematic view showing the structure of the first embodiment of the present utility model with the pins removed.
In the figure: 101-circuit board main body, 102-rubber core, 103-contact pin, 104-fixed support, 105-sheathing board, 106-guide table, 107-connection table, 108-side boss, 109-connection groove, 110-sheathing groove, 111-supporting boss.
Detailed Description
The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.
The first embodiment of the utility model is as follows:
referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of an entire device for suppressing interference of a power frequency magnetic field by using an electric energy meter, and fig. 2 is a schematic structural diagram of a detachable contact pin 103.
The utility model provides a device which is convenient for restraining power frequency magnetic field interference by applying an electric energy meter, comprising a power frequency magnetic field sensor, a power frequency magnetic field sensor and a power frequency magnetic field sensor, wherein: including circuit board main part 101 and body subassembly, body subassembly includes rubber core 102, contact pin 103 and auxiliary component, auxiliary component includes fixed bolster 104, overlaps establishes board 105 and adapting unit, adapting unit includes guide table 106 and connection table 107, connection table 107 has side boss 108 and spread groove 109, cover establishes board 105 has and embolias groove 110 and support boss 111, has solved present electric energy meter function through the aforesaid scheme and has increased, and each producer commonality of manganese copper sampling device again, consequently the wiring space is limited on the PCB board, and is inconvenient for the debugging. The above-mentioned several ways of suppressing the power frequency magnetic field under 0.5mT can not meet the requirement.
In this embodiment, the circuit board main body 101 is provided with other corresponding integrated structures and corresponding working templates, so that the electric energy meter circuit mounted with the circuit board main body 101 can be normally connected for use.
The rubber core 102 is connected with the circuit board main body 101 and is positioned at one side of the circuit board main body 101; the contact pin 103 is connected with the rubber core 102 and is located at one side of the rubber core 102, the auxiliary component is connected with the circuit board main body 101, the contact pin 103 is nickel-base gold-plated brass, the rubber core 102 is fixedly installed on the circuit board, an insertion groove used for inserting the contact pin 103 is formed in the rubber core 102, the insertion distance of the contact pin 103 can be changed through cooperation with the insertion groove of the rubber core 102, the insertion height of the contact pin 103 is changed, the insertion height can be changed, the state power grid company technology standard knows that when the three vertical planes of the electric energy meter are tested, errors of 10Itr and Imax and 1.0 power factor meet standard requirements, when the electric energy meter is in the most unfavorable direction and phase influence of a 0.5mT magnetic field, the test output of the electric energy meter cannot generate more than one pulse in 20 times of theoretical starting time, the electric energy meter can be adjusted through cooperation with the insertion groove of the rubber core 102, the electric energy meter can be closed by sliding loop through the contact pin 103 in the right-side alternating magnetic field, the electric energy meter can be adjusted by sliding loop, and the area of the electric energy meter can be simultaneously adjusted by closing the electric energy meter can be changed, and the area of the electric energy meter can be adjusted by closing the electric loop, and the electric power meter can be simultaneously adjusted by sliding loop, and the area of the electric meter can be adjusted by closing.
Secondly, the fixing bracket 104 is connected with the pin 103 and fixedly installed on the circuit board main body 101; the sleeving plate 105 is connected with the contact pin 103, is connected with the circuit board main body 101 through the connecting component, is positioned at one side of the circuit board main body 101, and the guide table 106 is fixedly connected with the circuit board main body 101 and is positioned at one side of the circuit board main body 101; the connecting table 107 is connected with the guide table 106 and is fixedly arranged on one side of the sleeving plate 105, and the side boss 108 is positioned on one side of the connecting table 107; the connecting groove 109 is positioned on one side of the connecting table 107 close to the guide table 106, and the sleeving groove 110 is positioned on one side of the fixing bracket 104 close to the pin 103; the support boss 111 is located one side of the fixed support 104, the fixed support 104 with be equipped with respectively on the cover board 105 and be used for the contact pin 103 is gone on the male embolia groove 110 and the cooperation groove, the fixed support 104 is equipped with through both sides support boss 111 is fixed on the circuit board body, cover board 105 then is equipped with through both sides connect the platform 107 with fixed mounting is in guide 106 on the circuit board body cooperates, connect the platform 107 be equipped with guide 106 assorted spread groove 109, through connect the groove 109 with guide 106's cooperation for connect the platform 107 can rotate under guide 106's guide, and then pass through connect the platform 107 drive cover board 105 rotates, connect the platform 107 side still to be equipped with the curb plate boss, pass through the side boss 108 can be convenient for the user connect the platform 107 rotates, make when contact pin 103 needs to adjust the crookedness can pass through connect the platform 107 to drive the contact pin 103 and carry out the support 103 and carry out the deformation can be avoided because the contact pin 103 rotates the support 103 rotates, can take place the top is connected with the contact pin 103 because the contact pin 103 is connected with the guide board is greatly and can be connected with the guide board 102 because the deformation takes place.
When the device for conveniently suppressing the interference of the power frequency magnetic field by using the electric energy meter of the embodiment is used, the insertion height of the pin 103 is adjusted by connecting the rubber core 102 with the pin 103, then the insertion height of the pin 103 is adjusted to change the closed loop area, when the front side of the test electric energy meter is suppressed to be parallel to the magnetic field by changing the closed loop area, the induced electromotive force generated by the front-side cross circuit of the manganese copper sampling device is suppressed, meanwhile, when the user needs to change the corresponding closed loop area by bending the pin 103, the connection table 107 can be directly stirred, so that the connection table 107 drives the sleeved plate 105 to rotate on the guide table 106, the upper end of the pin 103 can be driven to twist by rotating the sleeved plate 105, and meanwhile, the lower end of the pin 103 is connected with the fixed bracket 104, so that the connection of the pin 103 and the rubber core 102 is not affected when the pin 103 is twisted, the current can be more stably adjusted, and the current can meet the requirement of the device by corresponding to the induced current.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present utility model, and it is not intended to limit the scope of the claims hereof, as persons of ordinary skill in the art will understand that all or part of the processes for practicing the embodiments described herein may be practiced with equivalent variations in the claims, which are within the scope of the utility model.
Claims (5)
1. A device which uses an electric energy meter and is convenient for inhibiting the interference of a power frequency magnetic field, which comprises a circuit board main body and is characterized in that,
the device also comprises a body component;
the body component comprises a rubber core, a contact pin and an auxiliary member, wherein the rubber core is connected with the circuit board main body and is positioned at one side of the circuit board main body; the contact pin is connected with the rubber core and is positioned at one side of the rubber core, and the auxiliary component is connected with the circuit board main body.
2. The device for suppressing interference of industrial frequency magnetic field by using electric energy meter as set forth in claim 1, wherein,
the auxiliary component comprises a fixed bracket, a sleeved plate and a connecting part, wherein the fixed bracket is connected with the contact pin and is fixedly arranged on the circuit board main body; the sleeve board is connected with the contact pin, connected with the circuit board main body through the connecting component and positioned on one side of the circuit board main body.
3. The device for suppressing interference of industrial frequency magnetic field by using electric energy meter as set forth in claim 2, wherein,
the connecting part comprises a guide table and a connecting table, wherein the guide table is fixedly connected with the circuit board main body and is positioned at one side of the circuit board main body; the connecting table is connected with the guide table and is fixedly arranged on one side of the sleeving plate.
4. The device for suppressing interference of industrial frequency magnetic field by using electric energy meter as set forth in claim 3, wherein,
the connecting table is provided with a side boss and a connecting groove, and the side boss is positioned at one side of the connecting table; the connecting groove is positioned on one side of the connecting table, which is close to the guide table.
5. The device for suppressing interference of industrial frequency magnetic field by using electric energy meter as set forth in claim 2, wherein,
the fixing bracket is provided with a sleeved groove and a supporting boss, and the sleeved groove is positioned at one side of the fixing bracket, which is close to the contact pin; the support boss is located at one side of the fixed support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320661195.9U CN220188599U (en) | 2023-03-30 | 2023-03-30 | Device for conveniently suppressing power frequency magnetic field interference by using electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320661195.9U CN220188599U (en) | 2023-03-30 | 2023-03-30 | Device for conveniently suppressing power frequency magnetic field interference by using electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220188599U true CN220188599U (en) | 2023-12-15 |
Family
ID=89103574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320661195.9U Active CN220188599U (en) | 2023-03-30 | 2023-03-30 | Device for conveniently suppressing power frequency magnetic field interference by using electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220188599U (en) |
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2023
- 2023-03-30 CN CN202320661195.9U patent/CN220188599U/en active Active
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