CN206208947U - TMR board fixing structures in a kind of electric energy meter - Google Patents
TMR board fixing structures in a kind of electric energy meter Download PDFInfo
- Publication number
- CN206208947U CN206208947U CN201621217340.0U CN201621217340U CN206208947U CN 206208947 U CN206208947 U CN 206208947U CN 201621217340 U CN201621217340 U CN 201621217340U CN 206208947 U CN206208947 U CN 206208947U
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- Prior art keywords
- tmr
- plates
- fitting recess
- copper coin
- board fixing
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052802 copper Inorganic materials 0.000 claims abstract description 45
- 239000010949 copper Substances 0.000 claims abstract description 45
- 230000013632 homeostatic process Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Abstract
TMR board fixing structures in a kind of electric energy meter that the utility model is provided, including:Fitting recess, some TMR plates can be stably installed inside the fitting recess;Ampere wires copper coin, one end is connected with the TMR plates, and the other end is connected with terminal box.The fitting recess is used to fix TMR plates, and due to fitting recess homeostasis, therefore TMR plates itself also have good stable state.Meanwhile, TMR plates carry out energy supply by ampere wires copper coin, maintain the normal operation of itself.
Description
Technical field
The utility model is related to electric energy meter technical field, and in particular to TMR board fixing structures in a kind of electric energy meter.
Background technology
Current sensor is the one kind for detecting current value using the magnetic field produced by electric current in the state of electric insulation
Interface device between high-low voltage.
Tunnel magneto resistance (TMR) device is after hall device, anisotropic magnetoresistance AMR and giant magnetoresistance GMR
Magnetosensitive device of new generation, the characteristics of with low-power consumption, Low Drift Temperature and high sensitivity.In current sensor, substituted suddenly using TMR
That device, can significantly improve sensitivity and the temperature characterisitic of current sensor.
Requirement due to TMR sensor in use to installation site is higher, and sensor assembly is in structure installation
Rock sensor assembly can be made to introduce error, it is therefore desirable to TMR sensor is carried out fixed and positioned.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome TMR sensor positioning in the prior art inaccurate,
The defect of the reliability during influence use.
Therefore, TMR board fixing structures in a kind of electric energy meter, including:Fitting recess, some TMR plates can be stably installed at institute
State inside fitting recess;Ampere wires copper coin, one end is connected with the TMR plates, and the other end is connected with terminal box.
The guide-track groove perpendicular with the fitting recess plane is formed in the fitting recess, the TMR plates are removably pacified
Inside the fitting recess.
Electric current wire casing is formed on the fitting recess, one end of the ampere wires copper coin is reclined by the electric current wire casing
On the TMR plates, the other end of the ampere wires copper coin is arranged on the terminal box by ramp.
The ampere wires copper coin includes:Horizontal segment, offers connecting hole on the horizontal segment, the ramp passes through
The connecting hole is arranged on the terminal box;And, the vertical section being connected with the horizontal segment, the parallel patch of vertical section
Lean against on the TMR plates;
The fitting recess upper cover is buckled with TMR groove lids.
The TMR plate levels are placed on inside the fitting recess, and the ampere wires copper coin level abuts in the TMR plates
On.
Locating dowel is installed, the TMR plates are located in the locating dowel on the fitting recess.
Electric current wire casing is formed on the fitting recess, one end of the ampere wires copper coin is by the electric current wire casing level
Abut on the TMR plates, the other end of the ampere wires copper coin is arranged on the terminal box by ramp.
The fitting recess upper cover is buckled with TMR groove lids.
Technical solutions of the utility model, have the following advantages that:
1. the TMR board fixing structures that the utility model is provided, including:Fitting recess, some TMR plates can be stably installed at institute
State inside fitting recess;Ampere wires copper coin, one end is connected with the TMR plates, and the other end is connected with terminal box.
The fitting recess is used to fix TMR plates, and due to fitting recess homeostasis, therefore TMR plates itself are also with good
Stable state.Meanwhile, TMR plates carry out energy supply by ampere wires copper coin, maintain the normal operation of itself.
2. the TMR board fixing structures that the utility model is provided, form electric current wire casing on the fitting recess, the electric current is led
One end of line copper coin is abutted on the TMR plates by electric current wire casing, and the other end of the ampere wires copper coin passes through terminals
Button is arranged on the terminal box.
By the electric current wire casing, abutting on the TMR plates for ampere wires copper coin stabilization can be made, prevent electric current from leading
Line copper coin is rocked, and causes loose contact.
Brief description of the drawings
In order to illustrate more clearly of the utility model specific embodiment or technical scheme of the prior art, below will be right
The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some implementation methods of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the TMR board fixing structures of offer in embodiment 1;
Fig. 2 is the structural representation of the fitting recess of offer in embodiment 1;
Fig. 3 is the structural representation of the ampere wires copper coin of offer in embodiment 1;
Fig. 4 is the structural representation of the TMR groove lids of offer in embodiment 1;
Fig. 5 is the schematic diagram of the TMR board fixing structures of offer in embodiment 2;
Fig. 6 is the structural representation of the fitting recess of offer in embodiment 2;
Fig. 7 is the structural representation of the TMR groove lids of offer in embodiment 2;
Description of reference numerals:
1- fitting recess;2- ampere wires copper coins;21- horizontal segments;22- vertical sections;3-TMR plates;4- terminal boxs;5- guide rails
Groove;51- electric current wire casings;6-TMR groove lids;7- locating dowels;8- ramps.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection;Can mechanically connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
As long as additionally, technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can just be combined with each other.
Embodiment 1
The present embodiment provides TMR board fixing structures in a kind of electric energy meter, including:Fitting recess 1, TMR plates 3 can be stably installed
Inside the fitting recess 1;Ampere wires copper coin 2, one end is connected with the TMR plates 3, and the other end is connected with terminal box 4.This
Embodiment is able to ensure that ampere wires copper coin 2 and TMR plates 3 are fixed, assembled in place, and can guarantee that the structure of electric energy metrical performance.
The fitting recess 1 is used to fix TMR plates 3, and due to the homeostasis of fitting recess 1, therefore TMR plates 3 itself are also with good
Good stable state.Meanwhile, TMR plates 3 carry out energy supply by ampere wires copper coin 2, maintain the normal operation of itself.This implementation
Example provide fixed structure will not take unnecessary space, under standard Magnetic Field, the position of ampere wires copper coin 2 up and down, it is preceding
Afterwards within skew 0.1mm, ammeter error is substantially zeroed.
In the present embodiment, as depicted in figs. 1 and 2, formed in the fitting recess 1 perpendicular with the plane of the fitting recess 1
Guide-track groove 5, the TMR plates 3 are removably mounted on inside the fitting recess 1.In the present embodiment, the TMR plates 3 are one whole
Block is assigned into the guide-track groove 5.Ampere wires copper coin 2 and TMR plates 3 are zero to match somebody with somebody, and can not only well fix TMR plates 3 and sky
Between using rationally effectively controlling weight, the volume of electric energy meter.
Electric current wire casing 51 is formed on the fitting recess 1, one end of the ampere wires copper coin 2 passes through the electric current wire casing
Abut on the TMR plates 3, the other end of the ampere wires copper coin 2 is arranged on the terminal box 4 by ramp.
As shown in figure 3, the ampere wires copper coin 2 includes:Horizontal segment 21, connecting hole is offered on the horizontal segment 21,
The ramp is arranged on the terminal box 4 by the connecting hole;And, it is vertical with what the horizontal segment 21 was connected
Section 22, the vertical section 22 is parallel to be abutted on the TMR plates 3.
In the present embodiment, as shown in figure 4, the upper cover of the fitting recess 1 is buckled with TMR groove lids 6.
During actual installation, the vertical section 22 of the ampere wires copper coin 2 is arranged on the assembling first
In groove 1, now the vertical section 22 is sticked together with the TMR plates, and now the horizontal segment 21 is stuck in the electric current wire casing
In 51, the stability of the ampere wires copper coin 2 is improve, then the TMR groove lids 6 are arranged on the fitting recess 1.Most
Afterwards, the other end of the ampere wires copper coin 2 is fixed on the terminal box 4 by electric wire terminal, is completed the TMR
The fixation of plate 3.
Embodiment 2
The present embodiment provides TMR board fixing structures in a kind of electric energy meter, including:Fitting recess 1, some TMR plates 3 can be stably
Inside the fitting recess 1;Ampere wires copper coin 2, one end is connected with the TMR plates 3, and the other end connects with terminal box 4
Connect.The present embodiment is able to ensure that ampere wires copper coin 2 and TMR plates 3 are fixed, assembled in place, and can guarantee that electric energy metrical performance
Structure.
The fitting recess 1 is used to fix TMR plates 3, and due to the homeostasis of fitting recess 1, therefore TMR plates 3 itself are also with good
Good stable state.Meanwhile, TMR plates 3 carry out energy supply by ampere wires copper coin 2, maintain the normal operation of itself.
The fixed structure that the present embodiment is provided easily is assembled, and precision is higher.Electric current line copper coin 2 and TMR plates 3 are also zero to match somebody with somebody.
Under standard Magnetic Field, the position of electric current line copper coin 2 up and down, within front and rear skew 0.1mm, ammeter error is substantially zeroed, not only
TMR plates 3 can well be fixed and easily assembling can guarantee that high precision.
In the present embodiment, as shown in Figure 5 or Figure 6, TMR plates are three pieces, and the TMR plates 3 lie in a horizontal plane in the fitting recess 1
Inside, the level of ampere wires copper coin 2 is abutted on the TMR plates 3.But according to the difference of electric energy table size, TMR plates
Number is not limited to three pieces, can be any amount.
Specifically, locating dowel 7 is installed, the TMR plates 3 are located in the locating dowel 7 on the fitting recess 1.It is described
Hole is formed on TMR plates 3, locating dowel 7 is located in hole so that TMR plates 3 are parallel with fitting recess 1 parallel.
In the present embodiment, electric current wire casing 51 is formed on the fitting recess 1, one end of the ampere wires copper coin 2 passes through
The level of electric current wire casing 51 is abutted on the TMR plates 3, and the other end of the ampere wires copper coin 2 is pacified by ramp
On the terminal box 4.As shown in fig. 7, the upper cover of the fitting recess 1 is buckled with TMR groove lids 6.
During actual installation, the TMR plates 3 are installed in parallel in the fitting recess 1 by the locating dowel 7 first
Surface, then ampere wires copper coin 2 abut on the TMR plates 3 by the way that electric current wire casing 51 is parallel, thereafter by the TMR grooves
Lid 6 is arranged on the fitting recess 1.Finally, the other end of the ampere wires copper coin 2 is fixed on by electric wire terminal described
On terminal box 4, complete the fixation of the TMR plates 3.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of implementation method.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need and unable to be exhaustive to all of implementation method.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (9)
1. TMR board fixing structures in a kind of electric energy meter, it is characterised in that including:
Fitting recess (1), it is internal that some TMR plates (3) can be stably installed at the fitting recess (1);
Ampere wires copper coin (2), one end is connected with the TMR plates (3), and the other end is connected with terminal box (4).
2. TMR board fixing structures according to claim 1, it is characterised in that formed in the fitting recess (1) with it is described
The perpendicular guide-track groove (5) of fitting recess (1) plane, it is internal that the TMR plates (3) are removably mounted on the fitting recess (1).
3. TMR board fixing structures according to claim 2, it is characterised in that form electric current line on the fitting recess (1)
Groove (51), one end of the ampere wires copper coin (2) is abutted on the TMR plates (3) by the electric current wire casing (51), described
The other end of ampere wires copper coin (2) is by ramp (8) on the terminal box (4).
4. TMR board fixing structures according to claim 3, it is characterised in that the ampere wires copper coin (2) includes:
Horizontal segment (21), connecting hole is offered on the horizontal segment (21), and the ramp is arranged on by the connecting hole
On the terminal box (4);
And, the vertical section (22) being connected with the horizontal segment (21), the vertical section (22) is parallel to abut in the TMR plates
(3) on.
5. according to the TMR board fixing structures that one of claim 2-4 is described, it is characterised in that fitting recess (1) upper cover is buckled with
TMR groove lids (6).
6. TMR board fixing structures according to claim 1, it is characterised in that the TMR plates (3) lie in a horizontal plane in described
Fitting recess (1) is internal, and ampere wires copper coin (2) level is abutted on the TMR plates (3).
7. TMR board fixing structures according to claim 6, it is characterised in that be provided with locating dowel on the fitting recess (1)
(7), the TMR plates (3) are located in the locating dowel (7).
8. TMR board fixing structures according to claim 7, it is characterised in that form electric current line on the fitting recess (1)
Groove (51), one end of the ampere wires copper coin (2) is abutted on the TMR plates (3) by electric current wire casing (51) level,
The other end of the ampere wires copper coin (2) is by ramp (8) on the terminal box (4).
9. according to the TMR board fixing structures that one of claim 6-8 is described, it is characterised in that fitting recess (1) upper cover is buckled with
TMR groove lids (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621217340.0U CN206208947U (en) | 2016-11-10 | 2016-11-10 | TMR board fixing structures in a kind of electric energy meter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621217340.0U CN206208947U (en) | 2016-11-10 | 2016-11-10 | TMR board fixing structures in a kind of electric energy meter |
Publications (1)
Publication Number | Publication Date |
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CN206208947U true CN206208947U (en) | 2017-05-31 |
Family
ID=58753079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621217340.0U Active CN206208947U (en) | 2016-11-10 | 2016-11-10 | TMR board fixing structures in a kind of electric energy meter |
Country Status (1)
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CN (1) | CN206208947U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108169552A (en) * | 2018-01-02 | 2018-06-15 | 华立科技股份有限公司 | Direct current energy meter and direct current energy metering device based on tunnel type magneto-resistor |
-
2016
- 2016-11-10 CN CN201621217340.0U patent/CN206208947U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108169552A (en) * | 2018-01-02 | 2018-06-15 | 华立科技股份有限公司 | Direct current energy meter and direct current energy metering device based on tunnel type magneto-resistor |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: Zhengtai Instrument Measurement Industrial Park, No.1 Liangce Road, Beibaixiang Town, Leqing City, Wenzhou City, Zhejiang Province, 325603 Patentee after: ZHEJIANG CHINT INSTRUMENT & METER Co.,Ltd. Country or region after: China Address before: 325603 Wenzhou Daqiao Industrial Park, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG CHINT INSTRUMENT & METER Co.,Ltd. Country or region before: China |
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CP03 | Change of name, title or address |