CN209132328U - Four terminal current sensing component of noncontinuous electrode - Google Patents
Four terminal current sensing component of noncontinuous electrode Download PDFInfo
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- CN209132328U CN209132328U CN201821983565.6U CN201821983565U CN209132328U CN 209132328 U CN209132328 U CN 209132328U CN 201821983565 U CN201821983565 U CN 201821983565U CN 209132328 U CN209132328 U CN 209132328U
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Abstract
The four terminal current sensing component of noncontinuous electrode of the utility model, including route body and electrode, four electrodes are respectively arranged on four edges of the rectangular profile of route body, and route body is equipped with resistor main body and lead；Resistor main body and the rectangular profile axis of symmetry having the same, the both ends of resistor main body are respectively provided with T-shaped lead, the end of the vertical edge of lead and the end of resistor main body connect, and the electrode opposite with the end of resistor main body with two is connect respectively at the both ends of the horizontal edge of lead.Using the set-up mode of this resistor main body, lead and electrode, the programmable area of resistor body is enabled to increase, the higher product of resistance value can be done, while the being distributed symmetrically property of resistor main body, lead and electrode is more preferable, structure is more regular, it is more accurate for the control of resistance value, the stability of product resistance value measurement is greatly improved, resistance value measures difference and is no more than 0.1%, so that product resistance accuracy is easier to control, structure is more compact simultaneously, can have higher resistance value.
Description
Technical field
The utility model relates to current sensing component fields, in particular to four terminal current sensing component of noncontinuous electrode.
Background technique
Current sensing component reaches the variation of electric current in detecting route by detecting the voltage drop at its both ends, is applied to each
Class consumption electronic product, due to the fast development and multifunction of electronic product, the requirement to current sensing component is also increasingly
It is high.
Existing current sensing component is divided into two kinds of sensing components of long electrode and noncontinuous electrode, and noncontinuous electrode sensing component is divided into again
Four two kinds of terminal sensing component (4T) of noncontinuous electrode two-terminal sensing component (2T) and noncontinuous electrode.
The design of four terminal sensing component of noncontinuous electrode at present is practical be noncontinuous electrode two-terminal sensing component do a little change and
Come, be not true four terminal sensing component structure of noncontinuous electrode, not enough and production control is difficult lacks there are accuracy in measurement
Point.
Due to essence or noncontinuous electrode two-terminal sensing component structure, in terms of resistance value measurement, the position of probe on the electrode
It sets and changes, then will lead to resistance value and measure difference, it is inclined caused by adjustment location particularly with the product of resistance value high-precision requirement
Difference brings larger impact for resistance accuracy control and actual production efficiency.
Utility model content
In view of this, providing a kind of resistance value measurement the purpose of this utility model is to overcome deficiency in the prior art
The four terminal current sensing component of noncontinuous electrode that stability is good, product resistance accuracy is high.
The utility model provides the following technical solutions:
Four terminal current sensing component of noncontinuous electrode, including route body and electrode, four electrodes are respectively arranged on the line
Four edges of the rectangular profile of road body, the route body are equipped with resistor main body and lead；
The resistor main body and the rectangular profile axis of symmetry having the same, the both ends of the resistor main body are respectively provided in T
The lead of type, the end of the vertical edge of the lead are connect with the end of the resistor main body, the both ends point of the horizontal edge of the lead
The electrode not opposite with the end of the resistor main body with two is connect.
As the further alternative scheme to above-mentioned four terminal current sensing component of noncontinuous electrode, the horizontal edge of the lead
It is located between two electrodes connected to it.
As the further alternative scheme to above-mentioned four terminal current sensing component of noncontinuous electrode, the horizontal edge of the lead
Side it is equal with the side of the electrode towards the resistor main body.
As the further alternative scheme to above-mentioned four terminal current sensing component of noncontinuous electrode, it is covered on the lead
Compensate copper.
As the further alternative scheme to above-mentioned four terminal current sensing component of noncontinuous electrode, the compensation copper passes through
Plating is attached to route body surface face.
As the further alternative scheme to above-mentioned four terminal current sensing component of noncontinuous electrode, the electrode is corresponding
Compensation copper is covered at the route body, formation is electroplated in the electrode on the corresponding compensation copper.
As the further alternative scheme to above-mentioned four terminal current sensing component of noncontinuous electrode, the route body is equipped with
The electrode is covered with insulating protective layer on one side, and the electrode exposes from the insulating protective layer.
As the further alternative scheme to above-mentioned four terminal current sensing component of noncontinuous electrode, the insulating protective layer
For photosensitive printing ink layer.
As the further alternative scheme to above-mentioned four terminal current sensing component of noncontinuous electrode, four end of noncontinuous electrode
Electron current sensing component further includes insulating substrate, and the route body is equipped with the electrode and the resistor main body, another side on one side
It is covered with the insulating substrate.
As the further alternative scheme to above-mentioned four terminal current sensing component of noncontinuous electrode, the insulating substrate with
The route body pressing connection.
The four terminal current sensing component of noncontinuous electrode of the utility model at least has the advantages that
Four terminal current sensing component of noncontinuous electrode, including route body and electrode, four electrodes are respectively arranged on the square of route body
Four edges of shape profile, route body are equipped with resistor main body and lead；Resistor main body is having the same right with rectangular profile
Claiming axis, the both ends of resistor main body are respectively provided with T-shaped lead, and the end of the vertical edge of lead and the end of resistor main body connect,
The electrode opposite with the end of resistor main body with two is connect respectively at the both ends of the horizontal edge of lead.Four terminal current of noncontinuous electrode sensing
Resistor main body of the component on route body is connect by lead with electrode, and when probe moves on the electrode, practical measuring end begins
It is eventually the position that lead is engaged with resistor main body, no matter how the position of probe on the electrode, which changes, nor affects on to resistance sheet
The measurement of the resistance value of body, so that the resistance value of four terminal current sensing component of noncontinuous electrode is more stable, to reach four end of noncontinuous electrode
The requirement of electron current sensing component.Using the set-up mode of this resistor main body, lead and electrode, resistor body is enabled to
Programmable area increases, and can do the higher product of resistance value, while the being distributed symmetrically property of resistor main body, lead and electrode is more preferable,
Structure is more regular, more accurate for the control of resistance value.The four terminal current sensing component of noncontinuous electrode of the application greatly mentions
The stability that high product resistance value measures, resistance value measures difference and is no more than 0.1%, so that the resistance accuracy of product is easier to control
System, while structure is more compact, can have higher resistance value.
For enable the above objects, features, and advantages of the utility model become apparent from it is understandable, preferred embodiment is cited below particularly,
And cooperate appended attached drawing, it is described below in detail.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows a kind of main view knot of the four terminal current sensing component of noncontinuous electrode of the offer of the utility model embodiment 1
Structure schematic diagram；
Fig. 2 shows the schematic diagram of the section structure A-A of Fig. 1；
Fig. 3 shows the main view of the four terminal current sensing component of another noncontinuous electrode of the offer of the utility model embodiment 1
Structural schematic diagram.
Icon: four terminal current sensing component of 1- noncontinuous electrode；11- route body；12- electrode；13- resistor main body；14- draws
Line；141- common lead；142- branch lead；15- compensates copper；16- insulating substrate；17- insulating protective layer.
Specific embodiment
Hereinafter, the various embodiments of the utility model will be described more fully in conjunction with attached drawing.The utility model can have
There are various embodiments, and can adjust and change wherein.Therefore, specific embodiment reference being shown in the accompanying drawings is more
Describe the utility model in detail.It should be understood, however, that: it is practical new herein there is no the various embodiments of the utility model are limited to
The intention of the specific embodiment of type, but the utility model should be interpreted as covering the various embodiments for falling into the utility model
All adjustment, equivalent and/or optinal plan in spirit and scope.Description taken together with the accompanying drawings, same reference numerals
Same element.
It hereinafter, can the term " includes " used in the various embodiments of the utility model or " may include " instruction institute
Function, operation or the presence of element of utility model, and the increase of one or more functions, operation or element is not limited.
In addition, term " includes ", " having " and its cognate are meant only to indicate as used in the various embodiments of the utility model
Special characteristic, number, step, operation, the combination of element, component or aforementioned item, and be understood not to exclude one first
Or more other feature, number, step, operation, element, component or aforementioned item combined presence or increase one or more
A feature, number, step, operation, element, component or aforementioned item combination a possibility that.
In the various embodiments of the utility model, states "or" or " at least one of A or/and B " includes while arranging
Any combination of text out or all combinations.For example, statement " A or B " or " at least one of A or/and B " may include A, can
It including B or may include A and B both.
The statement (" first ", " second " etc.) used in the various embodiments of the utility model can be modified various
Various constituent element in embodiment, but respective sets can not be limited into element.For example, the above statement is not intended to limit the element
Sequence and/or importance.The above statement is only used for the purpose for differentiating an element and other elements.For example, first uses
Family device and second user device indicate different user device, although the two is all user apparatus.For example, practical not departing from
In the case where the range of novel various embodiments, first element is referred to alternatively as second element, and similarly, second element can also quilt
Referred to as first element.
It should also be noted that if a constituent element ' attach ' to another constituent element by description, it can be by the first composition member
Part is directly connected to the second constituent element, and " connection " third can form between the first constituent element and the second constituent element
Element.On the contrary, when a constituent element " being directly connected to " is arrived another constituent element, it will be appreciated that in the first constituent element
And second third constituent element is not present between constituent element.
The term used in the various embodiments of the utility model is used only for the purpose of describing specific embodiments and simultaneously
It is not intended to the various embodiments of limitation the utility model.As used herein, singular is intended to also include plural form, unless
Context is expressly otherwise indicated.Unless otherwise defined, otherwise all terms used herein (including technical term and science
Term) there is contain identical with the various normally understood meanings of embodiment one skilled in the art of the utility model
Justice.The term (term such as limited in the dictionary generally used) be to be interpreted as have in the related technical field
The identical meaning of situational meaning and Utopian meaning or meaning too formal will be interpreted as having, unless this
It is clearly defined in the various embodiments of utility model.
Embodiment
Also referring to Fig. 1 to Fig. 2, the present embodiment provides a kind of four terminal current sensing components 1 of noncontinuous electrode, including route
Body 11 and electrode 12.Four electrodes 12 are respectively arranged on four edges of the rectangular profile of route body 11, and route body 11 is equipped with
Resistor main body 13 and lead 14.Resistor main body 13 and the rectangular profile axis of symmetry having the same, the both ends of resistor main body 13 are each
Equipped with T-shaped lead 14, the end of the vertical edge of lead 14 is connect with the end of resistor main body 13, the both ends of the horizontal edge of lead 14
The electrode 12 opposite with the end of resistor main body 13 with two is connect respectively.
Above-mentioned, resistor main body 13 is in rectangle, both ends be equipped with just as T-type lead 14, be connected on each lead 14
Two electrodes 12, the cross sectional shape after resistor main body 13, lead 14 and the connection of electrode 12 are the cross sectional shape of route body 11.It can
Know, the section of route body 11 is not rectangle, and rectangular profile is formed by the electrode 12 on four corners being provided thereon.Relatively
Two center line/axis of symmetry of resistor main body 13, the lead 14 of 13 two sides of resistor main body is full symmetric, four electrodes, 12 shapes
At rectangle and the center line/axis of symmetry having the same of resistor main body 13, i.e., four terminal current sensing component 1 of noncontinuous electrode be with
Two center line/axis of symmetry of rectangular resistance ontology 13 are the symmetric body of symmetry axis.
Resistor main body 13 and lead 14 are formed by etching on route body 11, in addition to 13 He of resistor main body on route body 11
Four corners other than lead 14 are the position that electrode 12 is arranged, and can see the route body 11 at this as electrode matrix.
Resistor main body 13, lead 14 on route body 11 is equal with electrode matrix.By the way that compensation is arranged on electrode matrix
Copper 15 forms electrode 12.The setting compensation copper 15 on lead 14 and electrode matrix, so that shape between electrode 12 and resistor main body 13
At electrically conducting, the compensation copper 15 on lead 14 and electrode matrix covers lead 14, the form with lead 14 and electrode matrix
It is identical.
Electrode 12 is end electrode 12, provides current channel by the compensation copper 15 on lead 14.Measuring resistor main body
13 resistance value, probe are limited, actually measuring end is always to draw when moving on electrode 12 by lead 14 and compensation copper 15
The position that line 14 is engaged with resistor main body 13, no matter how the position of probe changes the measurement for nor affecting on resistance value, so that short
The resistance value of four terminal current sensing component 1 of electrode is more stable.
Lead 14 is T-shaped, and T shape lead 14 connects resistor main body 13 and two electrodes 12, in the present embodiment, lead
14 horizontal edge is located between two electrodes 12 connected to it, and the position of lead 14 is transferred between two electrodes 12, can
So that the spacing between resistor main body 13 and electrode 12 further decreases so that resistor main body 13 can design area increase
Greatly, the higher product of resistance value can be done, can such as accomplish 25m Ω or more.
Lead 14 includes common lead 141 and branch's lead 142, and the vertical edge of the lead 14 of T-type is common lead 141, T-type
Lead 14 horizontal edge be branch's lead 142.
Branch's lead 142 is set between two electrodes 12, and the symmetry axis of the axis of symmetry of branch's lead 142 and electrode 12
Line is overlapped, and a gap is formed between resistor main body 13 and electrode 12, can be infinitely small on the critical gap theory.
As shown in figure 3, in another embodiment, the side of branch's lead 142 and the electrode 12 towards resistor main body 13
Side is equal, and this shape is more regular, more easy for the control of the form accuracy of lead 14.
Above-mentioned, lead 14, resistor main body 13 have well-regulated shape, and shape and size precision is easier to control, hence for
The resistance accuracy of current sensing component is easier to control.It can be by adjusting common lead 141, branch's lead 142 and resistor main body
Accounting between 13, to TCR (temperature coefficient of resistance, the resistance temperature of current sensing component
Degree coefficient) it is adjusted, to realize the minimum of product TCR.It can also be by adjusting on common lead 141, branch's lead 142
Compensation copper 15 content (ratio), that is, adjustment conductivity, the TCR of product is adjusted, to realize product TCR most
Smallization.
Compensation copper 15 set on set compensation copper 15 and electrode matrix, leads on lead 14 on route body 11
It crosses to be electroplated on route body 11 and be formed, the thickness of the compensation copper 15 on the thickness and electrode matrix of the compensation copper 15 on lead 14 can
With equal.
Functional material is electroplated on compensation copper 15 on electrode matrix and forms complete electrode 12, is powered in compensation copper 15
It plates functional material and forms electrode 12, while so that functional material and compensation copper 15 have biggish engaging force, and have
Good conductive effect can make electrode 12 have lesser internal stress by using different functional materials, preferable hard
Degree, wearability and solderability, such as functional material can be nickel, tin material.
Four terminal current sensing component 1 of noncontinuous electrode further includes insulating substrate 16, and 11 one side of route body is equipped with electrode 12, another
Face is equipped with insulating substrate 16.Insulating substrate 16 is that route body 11 provides stable support, effectively prevents the route body 11 that matter is soft
Deformation.Insulating substrate 16 is alumina ceramic plate.Aluminium oxide ceramics is a kind of ceramic material based on aluminium oxide (Al2O3)
Material is used for thick film integrated circuit.Aluminium oxide ceramics has preferable insulating properties, heat conductivity, mechanical strength and heat-resisting quantity.
Insulating substrate 16 is connect by way of pressing with route body 11.Pressing refer to veneer bonding it is integral one
Kind means, this bonding permeate what crosslinking in turn was realized by the phase counterdiffusion between macromolecular on interface.
Route body 11 is covered with insulating protective layer 17 equipped with electrode 12 on one side, exposes in the self-insulating protective layer 17 of electrode 12.
Insulating protective layer 17 covers the compensation copper 15 in resistor main body 13 and lead 14, so that four terminal current of noncontinuous electrode senses
Electrode 12 on component 1 is spaced from each other, and can be worked independently, at the same play prevent resistor main body 13 and compensation 15 surface oxidation of copper
With the effect for preventing welding conducting.
Specifically, insulating protective layer 17 is photosensitive printing ink layer, belong to the general insulating protective layer 17 of circuit-board industry.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to the scope of the utility model.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection scope of utility model.
Claims (10)
1. four terminal current sensing component of noncontinuous electrode, which is characterized in that including route body and electrode, four electrodes are set respectively
In four edges of the rectangular profile of the route body, the route body is equipped with resistor main body and lead；
The resistor main body and the rectangular profile axis of symmetry having the same, the both ends of the resistor main body are respectively provided with T-shaped
Lead, the end of the vertical edge of the lead are connect with the end of the resistor main body, the both ends of the horizontal edge of the lead respectively with
Two electrode connections opposite with the end of the resistor main body.
2. four terminal current sensing component of noncontinuous electrode according to claim 1, which is characterized in that the horizontal edge of the lead presss from both sides
Between two electrodes connected to it.
3. four terminal current sensing component of noncontinuous electrode according to claim 2, which is characterized in that the horizontal edge of the lead
Side is equal with the side of the electrode towards the resistor main body.
4. four terminal current sensing component of noncontinuous electrode according to claim 1, which is characterized in that be covered with benefit on the lead
Repay copper.
5. four terminal current sensing component of noncontinuous electrode according to claim 4, which is characterized in that the compensation copper passes through electricity
Plating is attached to route body surface face.
6. four terminal current sensing component of noncontinuous electrode according to any one of claims 1-5, which is characterized in that the electricity
Compensation copper is covered at the extremely corresponding route body, formation is electroplated in the electrode on the corresponding compensation copper.
7. four terminal current sensing component of noncontinuous electrode according to any one of claims 1-5, which is characterized in that the line
Road body is covered with insulating protective layer equipped with the electrode on one side, and the electrode exposes from the insulating protective layer.
8. four terminal current sensing component of noncontinuous electrode according to claim 7, which is characterized in that the insulating protective layer is
Photosensitive printing ink layer.
9. four terminal current sensing component of noncontinuous electrode according to any one of claims 1-5, which is characterized in that described short
Four terminal current sensing component of electrode further includes insulating substrate, and the route body is equipped with the electrode and the resistance sheet on one side
Body, another side are covered with the insulating substrate.
10. four terminal current sensing component of noncontinuous electrode according to claim 9, which is characterized in that the insulating substrate with
The route body pressing connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821983565.6U CN209132328U (en) | 2018-11-28 | 2018-11-28 | Four terminal current sensing component of noncontinuous electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821983565.6U CN209132328U (en) | 2018-11-28 | 2018-11-28 | Four terminal current sensing component of noncontinuous electrode |
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| Publication Number | Publication Date |
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| CN209132328U true CN209132328U (en) | 2019-07-19 |
Family
ID=67247379
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821983565.6U Active CN209132328U (en) | 2018-11-28 | 2018-11-28 | Four terminal current sensing component of noncontinuous electrode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109324219A (en) * | 2018-11-28 | 2019-02-12 | 江门市钧崴电子科技有限公司 | Four terminal current sensing component of noncontinuous electrode and its production technology |
-
2018
- 2018-11-28 CN CN201821983565.6U patent/CN209132328U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109324219A (en) * | 2018-11-28 | 2019-02-12 | 江门市钧崴电子科技有限公司 | Four terminal current sensing component of noncontinuous electrode and its production technology |
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Address after: 529000 floor 3 and 4, block 202, phase 2, new fortune environmental protection electroplating base, yamen Town, Xinhui District, Jiangmen City, Guangdong Province Patentee after: Junwei Electronic Technology Co.,Ltd. Address before: 529000 floor 3 and 4, block 202, phase 2, new fortune environmental protection electroplating base, yamen Town, Xinhui District, Jiangmen City, Guangdong Province Patentee before: JIANGMEN JUNWEI ELECTRONIC TECHNOLOGY CO.,LTD. |