CN110286258A - A kind of potentiometric detection equipment current divider - Google Patents
A kind of potentiometric detection equipment current divider Download PDFInfo
- Publication number
- CN110286258A CN110286258A CN201910736991.2A CN201910736991A CN110286258A CN 110286258 A CN110286258 A CN 110286258A CN 201910736991 A CN201910736991 A CN 201910736991A CN 110286258 A CN110286258 A CN 110286258A
- Authority
- CN
- China
- Prior art keywords
- shell
- copper
- detection equipment
- current divider
- equipment current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 13
- HPDFFVBPXCTEDN-UHFFFAOYSA-N copper manganese Chemical compound [Mn].[Cu] HPDFFVBPXCTEDN-UHFFFAOYSA-N 0.000 claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052802 copper Inorganic materials 0.000 claims abstract description 20
- 239000010949 copper Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000004321 preservation Methods 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 7
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002633 protecting effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/146—Measuring arrangements for current not covered by other subgroups of G01R15/14, e.g. using current dividers, shunts, or measuring a voltage drop
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The invention discloses a kind of potentiometric detection equipment current dividers, including shell, the inside of the shell is equipped with copper-manganese piece, and the surface two sides of copper-manganese piece are staggeredly equipped with opening, the both ends of the copper-manganese piece are welded with copper sheet, one end two sides of the shell are fixed with the metal terminal being fixedly connected respectively with copper sheet, and the other end two sides of shell are separately installed with the input terminal and outlet terminal being fixedly connected with copper sheet, the shell includes shell and inner casing, the surface of the inner casing is embedded with thermally conductive sheet, and the surface inserting of shell has radiating fin.The apparatus structure designs advantages of simple, easy to use, and resistance value is stablized, and improves the accuracy and stability of test, good heat dissipation effect is applied widely, is conducive to popularize.
Description
Technical field
The invention belongs to potential monitoring technique fields, and in particular to a kind of potentiometric detection equipment current divider.
Background technique
Current divider refers to measurement DC current, generates voltage at resistance both ends when passing through resistance according to DC current
Principle is made.It is made of insulating ceramics, above there is equally distributed aperture, the protection gas that welding gun sprays is in laminar flow after current divider
Shape uniformly sprays, to improve protecting effect.But the resistance value of existing current divider varies with temperature and changes, resistance value temperature score
Greatly, the accuracy of measurement is influenced, while existing current divider heat dissipation effect is poor, to influence the stability of test, be unfavorable for wide
General promotion and popularization.
Summary of the invention
The purpose of the present invention is to provide a kind of potentiometric detection equipment current divider, structure designs advantages of simple, user
Just, resistance value is stablized, and improves the accuracy and stability of test, good heat dissipation effect is applied widely, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of potentiometric detection equipment current divider, including shell
Body, the inside of the shell are equipped with copper-manganese piece, and the surface two sides of copper-manganese piece are staggeredly equipped with opening, and the two of the copper-manganese piece
End is welded with copper sheet, and one end two sides of the shell are fixed with the metal terminal being fixedly connected respectively with copper sheet, and shell
Other end two sides be separately installed with the input terminal and outlet terminal being fixedly connected with copper sheet, the shell include shell and
The surface of inner casing, the inner casing is embedded with thermally conductive sheet, and the surface inserting of shell has radiating fin.
Preferably, the inner surface of the shell is pasted with the anticorrosive plate of epoxy resin, and the inside of shell also fill up it is aerobic
Change alumina particles.
Preferably, the thickness of the copper-manganese piece and copper sheet is .-.mm, and is open at least provided with five groups.
Preferably, the end of the input terminal and outlet terminal is threaded with binding post, and the end of binding post
It is fixed with adjustable handrail.
Preferably, the input terminal, outlet terminal and metal terminal and housing junction be pasted with seal washer and
Electro-insulating rubber pad.
Preferably, it is equipped with cavity between the shell and inner casing, and is pasted with heat preservation rock plate on the inner wall of cavity.
Compared with prior art, the beneficial effects of the present invention are:
1, the resistance alloys piece being welded to form by copper-manganese piece and copper sheet is small in size, and the opening of copper-manganese on piece can prolong
Resistance value is improved in long electrical wave path, which does not need installation base plate, be affected by temperature it is small, improve test accuracy and
Stability；
2, the protecting effect to resistor disc can be improved by the shell of inner casing and shell composition, cooperates thermally conductive sheet and heat dissipation
The heat dissipation effect of shell can be improved in fin, guarantees the stability that resistor disc uses.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is top cross-sectional view of the invention；
Fig. 3 is the cross-sectional view of inventive shell.
In figure: 1 shell, 2 copper-manganese pieces, 3 openings, 4 copper sheets, 5 input terminals, 6 outlet terminals, 7 metal terminals, 8 inner casings,
9 shells, 10 thermally conductive sheets, 11 radiating fins.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of potentiometric detection equipment current divider as shown in Figs. 1-3, including shell 1, the shells 1
Inside copper-manganese piece 2 is installed, and the surface two sides of copper-manganese piece 2 are staggeredly equipped with opening 3, the both ends welding of the copper-manganese piece 2
There is a copper sheet 4, one end two sides of the shell 1 are fixed with the metal terminal 7 being fixedly connected respectively with copper sheet 4, and shell 1
Other end two sides are separately installed with the input terminal 5 and outlet terminal 6 being fixedly connected with copper sheet 4, and the shell 1 includes shell
9 and inner casing 8, the surface of the inner casing 8 is embedded with thermally conductive sheet 10, and the surface inserting of shell 9 has radiating fin 11.
Specifically, the inner surface of the shell 1 is pasted with the anticorrosive plate of epoxy resin, and the inside of shell 1 is also filled with
Alumina particle.
Specifically, the thickness of the copper-manganese piece 2 and copper sheet 4 is 0.2-0.3mm, and 3 are open at least provided with five groups.It is logical
Current path can effectively be extended by crossing the opening 3 that multiple groups are staggered, and increase 2 resistance value of copper-manganese piece.
Specifically, the end of the input terminal 5 and outlet terminal 6 is threaded with binding post, and the end of binding post
Portion is fixed with adjustable handrail.By the binding post with adjustable handrail connecting part can be prevented in order to the fixed disassembly to connecting line
Shaking leads to poor contact.
Specifically, the input terminal 5, outlet terminal 6 and metal terminal 7 and 1 junction of shell are pasted with gasket
Circle and electro-insulating rubber pad.Input terminal 5, outlet terminal 6 and metal terminal 7 can be improved by seal washer and electro-insulating rubber pad
With the leakproofness and insulation effect of 1 junction of shell.
Specifically, being equipped with cavity between the shell 9 and inner casing 8, and heat preservation rock plate is pasted on the inner wall of cavity.It is logical
The insulating power of shell 1 and the protective capability to alloy resistor disc can be improved in the heat preservation rock plate crossed in cavity.
Working principle: checking in equipment in use, two groups of metal terminals 7 are inserted in current potential, then using end of incoming cables 5 and out
Line end 6 is wired in circuit under test respectively, and electric current enters shell 1 from end of incoming cables 5, successively passes through copper sheet 4, copper-manganese
Piece 2 and copper sheet 4, then enter circuit under test from the outflow of leading-out terminal 6 and be formed into a loop, and two groups of metal terminals 7 can be according to ohm
Law realizes the potential difference of measuring circuit, and the resistance alloys piece being welded to form by copper-manganese piece 2 and copper sheet 4 is small in size, and
Opening 3 on copper-manganese piece 2 can extend current path, improve resistance value, which does not need installation base plate, be affected by temperature
It is small, the accuracy and stability of test are improved, the protection to resistor disc can be improved by the shell 1 that inner casing 8 and shell 9 form
Effect cooperates thermally conductive sheet 10 and radiating fin 11 that the heat dissipation effect of shell 1 can be improved.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of potentiometric detection equipment current divider, including shell (1), it is characterised in that: the inside of the shell (1) is equipped with
Copper-manganese piece (2), and the surface two sides of copper-manganese piece (2) are staggeredly equipped with opening (3), the both ends of the copper-manganese piece (2) are welded with purple
Copper sheet (4), one end two sides of the shell (1) are fixed with the metal terminal (7) being fixedly connected respectively with copper sheet (4), and shell
The other end two sides of body (1) are separately installed with the input terminal (5) and outlet terminal (6) being fixedly connected with copper sheet (4), described
Shell (1) includes shell (9) and inner casing (8), and the surface of the inner casing (8) is embedded with thermally conductive sheet (10), and the surface of shell (9)
It is inlaid with radiating fin (11).
2. a kind of potentiometric detection equipment current divider according to claim 1, it is characterised in that: the shell (1) it is interior
Surface mount has the anticorrosive plate of epoxy resin, and the inside of shell (1) is also filled with alumina particle.
3. a kind of potentiometric detection equipment current divider according to claim 1, it is characterised in that: the copper-manganese piece (2) with
The thickness of copper sheet (4) is 0.2-0.3mm, and is open (3) at least provided with five groups.
4. a kind of potentiometric detection equipment current divider according to claim 1, it is characterised in that: the input terminal (5)
It is threaded with binding post with the end of outlet terminal (6), and the end of binding post is fixed with adjustable handrail.
5. a kind of potentiometric detection equipment current divider according to claim 1, it is characterised in that: the input terminal (5),
Outlet terminal (6) and metal terminal (7) and shell (1) junction are pasted with seal washer and electro-insulating rubber pad.
6. a kind of potentiometric detection equipment current divider according to claim 1, it is characterised in that: the shell (9) and interior
It is equipped with cavity between shell (8), and is pasted with heat preservation rock plate on the inner wall of cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910736991.2A CN110286258A (en) | 2019-08-10 | 2019-08-10 | A kind of potentiometric detection equipment current divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910736991.2A CN110286258A (en) | 2019-08-10 | 2019-08-10 | A kind of potentiometric detection equipment current divider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110286258A true CN110286258A (en) | 2019-09-27 |
Family
ID=68025005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910736991.2A Pending CN110286258A (en) | 2019-08-10 | 2019-08-10 | A kind of potentiometric detection equipment current divider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110286258A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751590A (en) * | 2020-07-06 | 2020-10-09 | 深圳市开步电子有限公司 | Shunt with heat dissipation teeth |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105408752A (en) * | 2013-07-25 | 2016-03-16 | 矢崎总业株式会社 | Shunt-resistor-type current sensor |
| CN105866718A (en) * | 2016-03-28 | 2016-08-17 | 杭州大华仪器制造有限公司 | Novel AC/DC shunt |
| CN106154017A (en) * | 2016-08-31 | 2016-11-23 | 浙江西崎电气科技有限公司 | A kind of DC current sensor |
| CN206020510U (en) * | 2016-08-31 | 2017-03-15 | 浙江西崎电气科技有限公司 | A kind of DC current sensor |
| CN109085400A (en) * | 2018-08-30 | 2018-12-25 | 中国电力科学研究院有限公司 | The multifunctional combined junction box stream detection switch structure of electrical energy measurement |
| CN210720546U (en) * | 2019-08-10 | 2020-06-09 | 蚌埠市正园电子科技有限公司 | Potential detection is shunt for equipment |
-
2019
- 2019-08-10 CN CN201910736991.2A patent/CN110286258A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105408752A (en) * | 2013-07-25 | 2016-03-16 | 矢崎总业株式会社 | Shunt-resistor-type current sensor |
| CN105866718A (en) * | 2016-03-28 | 2016-08-17 | 杭州大华仪器制造有限公司 | Novel AC/DC shunt |
| CN106154017A (en) * | 2016-08-31 | 2016-11-23 | 浙江西崎电气科技有限公司 | A kind of DC current sensor |
| CN206020510U (en) * | 2016-08-31 | 2017-03-15 | 浙江西崎电气科技有限公司 | A kind of DC current sensor |
| CN109085400A (en) * | 2018-08-30 | 2018-12-25 | 中国电力科学研究院有限公司 | The multifunctional combined junction box stream detection switch structure of electrical energy measurement |
| CN210720546U (en) * | 2019-08-10 | 2020-06-09 | 蚌埠市正园电子科技有限公司 | Potential detection is shunt for equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751590A (en) * | 2020-07-06 | 2020-10-09 | 深圳市开步电子有限公司 | Shunt with heat dissipation teeth |
| CN111751590B (en) * | 2020-07-06 | 2021-06-22 | 深圳市开步电子有限公司 | Shunt with heat dissipation teeth |
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