CN205665326U - Measurement device for film resistors - Google Patents
Measurement device for film resistors Download PDFInfo
- Publication number
- CN205665326U CN205665326U CN201620518327.2U CN201620518327U CN205665326U CN 205665326 U CN205665326 U CN 205665326U CN 201620518327 U CN201620518327 U CN 201620518327U CN 205665326 U CN205665326 U CN 205665326U
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- China
- Prior art keywords
- electrode block
- fixed
- cylinder
- bottom electrode
- center
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- Expired - Fee Related
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- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model discloses a measurement device for film resistors, it includes the cylinder, and a frame, go up casting die and lower casting die, the frame includes the cylinder mounting panel, branch and base, branch is fixed in between cylinder mounting panel and the base, the cylinder is fixed in cylinder mounting panel up end, the center of cylinder mounting panel is equipped with connect the via hole, connect the via hole is worn to locate in the connecting axle activity, the upper end and the cylinder fixed connection of connecting axle, the casting die is established to the fixed cover of lower extreme of connecting axle, it includes insulation board and last electrode piece to go up the casting die, the lower extreme of connecting axle is fixed in the center of insulation board up end, the lower terminal surface fixed connection who goes up the insulation board goes up the electrode piece, down the casting die is fixed in end face centre on the base, the casting die includes insulation board and bottom electrode piece down, down the insulation board is fixed in end face centre on the base, the bottom electrode piece is fixed in on the lower insulation board up end, go up electrode piece and bottom electrode piece and connect the measuring instrument through measuring the wiring respectively. The utility model discloses operation convenient to use can effectively improve measurement accuracy.
Description
Technical field
This utility model relates to resistive measurement, particularly relates to the measurement apparatus of a kind of membranaceous resistance.
Background technology
Resistance measurement is in computer, electronics, instrument and meter, chemical industry, household electrical appliance, building, the vehicles, weapon and science
The fields such as experiment, have great importance.At present for the measurement of resistance, conventional method be directly measure with circuit tester and
Probe positioning mode, these are all a kind of point-to-point measuring methods, for conventional that go between with two ends or three ends and long
Degree (or thickness) measures more effective much larger than the resistance of sectional area, but for membranaceous resistance or the measurement of pellet resistance,
Area physical dimension is much larger than thickness, and the Distribution Effect of electric current must take into, it is clear that above-mentioned conventional measuring method, and its precision is
Do not reach far away.In the case of especially softer in the material of membranaceous resistance or pellet resistance or intensity is low, measuring electrode can make
Its gross distortion or breakage, above-mentioned measuring method is the most inapplicable.Therefore, the most preferably for membranaceous resistance or pellet resistance
Measure and become more and more important.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of be effectively improved the membranaceous of certainty of measurement
The measurement apparatus of resistance.
The technical solution adopted in the utility model is:
The measurement apparatus of a kind of membranaceous resistance, it includes cylinder, framework, upper casting die and piece under pressure, and described framework includes gas
Cylinder installing plate, pole and base, described cylinder is fixedly installed in the center, upper surface of cylinder mounting plate, the upper end of described pole
Being fixed on the corner of cylinder mounting plate lower surface, the lower end of pole is fixed on the corner of base upper surface, cylinder mounting plate
Center be provided with connection through hole, described connecting shaft is actively located in described connection through hole, and the upper end of connecting shaft is fixed with cylinder
Connecting, upper casting die fixed cover is located at the lower end of connecting shaft, and is moved up and down by cylinder drive, and described upper casting die includes upper insulation plate
With upper electrode block, the lower end of connecting shaft is fixed on the center of described upper insulation plate upper surface, and the lower surface of upper insulation plate is with upper
Fixing on electrode block connecting, described piece under pressure is fixed on the center of base upper surface, described piece under pressure include lower insulation plate and
Bottom electrode block, lower insulation plate is fixed on the center of base upper surface, and bottom electrode block is fixed on the upper surface of lower insulation plate, on
Electrode block and bottom electrode block are respectively by measuring wiring connection measuring instruments.
It is respectively equipped with at least one binding post on the lateral surface of described upper electrode block and bottom electrode block.
The center of described lower insulation plate upper surface is provided with boss, and described boss center is provided with installation groove, described under
Electrode block is fixed in installation groove.
Described upper electrode block and bottom electrode block are by red copper material molding.Red copper material has the electric conductivity of excellence, reduces
Unnecessary systematic measurement error, it is ensured that the certainty of measurement of membranaceous resistance.
The fineness on the surface of described upper electrode block and bottom electrode block and membranaceous Ohmic contact to be measured reaches more than 1.6.Power on
The contact surface of pole block and bottom electrode block is the most smooth, then when measuring membranaceous resistance, and upper electrode block and bottom electrode block and membranaceous resistance
Laminating the closest, measurement error diminishes.
The shape of cross section of described upper electrode block and bottom electrode block is circular or regular polygon.
This utility model uses above technical scheme, and the cylinder being fixed on cylinder mounting plate drives upper pressure by connecting shaft
Part lifts, and piece under pressure maintains static and is installed on base, and upper casting die and piece under pressure are coaxially disposed, and upper casting die uses upper insulation plate to join
Closing electrode block structure, piece under pressure uses lower insulation plate to coordinate bottom electrode block structure, and membranaceous resistance to be measured is positioned over electrode block
And between bottom electrode block, and when the smooth surface of upper electrode block and bottom electrode block and membranaceous Ohmic contact to be measured ensure that measurement on
Bottom electrode block is fully contacted with membranaceous resistance, reduces error, and when measuring, cylinder also can drive pressure on casting die further simultaneously
Ensure to measure the compactness of contact.This utility model simple in construction, easy for operation, certainty of measurement can be effectively improved, produce
Efficiency is high, has broad application prospects.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, this utility model is described in further details；
Fig. 1 is the structural representation of the measurement apparatus of a kind of membranaceous resistance of this utility model.
Detailed description of the invention
As it is shown in figure 1, this utility model includes cylinder 1, framework, upper casting die and piece under pressure, described framework includes that cylinder is pacified
Dress plate 2, pole 6 and base 9, described cylinder 1 is fixedly installed in the center, upper surface of cylinder mounting plate 2, described pole 6 upper
End is fixed on the corner of cylinder mounting plate 2 lower surface, and the lower end of pole 6 is fixed on the corner of base 9 upper surface, and cylinder is pacified
The center of dress plate 2 is provided with connection through hole 21, and described connecting shaft 3 is actively located in described connection through hole 21, the upper end of connecting shaft 3
Fixing with cylinder 1 and be connected, upper casting die fixed cover is located at the lower end of connecting shaft 3, and is moved up and down by cylinder 1 drive, described upper pressure
Part includes upper insulation plate 4 and upper electrode block 5, and the center of described upper insulation plate 4 upper surface is fixed in the lower end of connecting shaft 3, on
The lower surface of insulation board 4 is fixing with on upper electrode block 5 to be connected, and described piece under pressure is fixed on the center of base 9 upper surface, described
Piece under pressure includes lower insulation plate 8 and bottom electrode block 7, and lower insulation plate 8 is fixed on the center of base 9 upper surface, and bottom electrode block 7 is solid
On the upper surface of lower insulation plate 8, upper electrode block 5 and bottom electrode block 7 connect measuring instruments (figure by measurement wiring 10 respectively
In do not represent).
It is respectively equipped with at least one binding post on the lateral surface of described upper electrode block 5 and bottom electrode block 7.
The center of described lower insulation plate 8 upper surface is provided with boss 81, and described boss 81 center is provided with installation groove, institute
State bottom electrode block 7 to be fixed in installation groove.
Described upper electrode block 5 and bottom electrode block 7 are by red copper material molding.Red copper material has the electric conductivity of excellence, subtracts
Lack unnecessary systematic measurement error, it is ensured that the certainty of measurement of membranaceous resistance.
The fineness on the surface of described upper electrode block 5 and bottom electrode block 7 and membranaceous Ohmic contact to be measured reaches more than 1.6.On
The contact surface of electrode block 5 and bottom electrode block 7 is the most smooth, then when measuring membranaceous resistance, and upper electrode block 5 and bottom electrode block 7 and film
The laminating of shape resistance is the closest, and measurement error diminishes.
The shape of cross section of described upper electrode block 5 and bottom electrode block 7 is circular or regular polygon.
Of the present utility model using method be described in detail below:
When using measurement apparatus of the present utility model, user first observes the table of upper and lower electrode block and membranaceous Ohmic contact
Face is the cleanest, if any greasy dirt dust, dips in alcohol wipe with soft cloth clean.
Controlling cylinder again drives upper casting die to suitable position, makes upper and lower casting die separately, membranaceous resistance is put into upper and lower
Between electrode block, and then control cylinder drives upper casting die to move down, and upper electrode block compresses membranaceous resistance, and measuring instruments reads measurement number
According to, such as magnitude of voltage and current value.
The pressure stroke down of precise controlling cylinder, until the measurement data of the reading of measuring instruments no longer changes, reads correspondence
Measurement data such as voltage, current value, complete the measurement of membranaceous resistance.
This utility model is executed by electrode material, electrode fineness, electric current, voltage lead, pressure adjustmenting mechanism and spring
The design of the aspects such as press mechanism, significantly reduces the systematic error of resistance measurement.
This utility model uses above technical scheme, and the cylinder being fixed on cylinder mounting plate drives upper pressure by connecting shaft
Part lifts, and piece under pressure maintains static and is installed on base, and upper casting die and piece under pressure are coaxially disposed, and upper casting die uses upper insulation plate to join
Closing electrode block structure, piece under pressure uses lower insulation plate to coordinate bottom electrode block structure, and membranaceous resistance to be measured is positioned over electrode block
And between bottom electrode block, and when the smooth surface of upper electrode block and bottom electrode block and membranaceous Ohmic contact to be measured ensure that measurement on
Bottom electrode block is fully contacted with membranaceous resistance, reduces error, and when measuring, cylinder also can drive pressure on casting die further simultaneously
Ensure to measure the compactness of contact.This utility model simple in construction, easy for operation, certainty of measurement can be effectively improved, produce
Efficiency is high, has broad application prospects.
Claims (6)
1. the measurement apparatus of a membranaceous resistance, it is characterised in that: it includes cylinder, framework, upper casting die and piece under pressure, described frame
Frame includes that cylinder mounting plate, pole and base, described cylinder are fixedly installed in the center, upper surface of cylinder mounting plate, described
The upper end of bar is fixed on the corner of cylinder mounting plate lower surface, and the lower end of pole is fixed on the corner of base upper surface, gas
The center of cylinder installing plate is provided with connection through hole, and described connecting shaft is actively located in described connection through hole, the upper end of connecting shaft with
Cylinder is fixing to be connected, and upper casting die fixed cover is located at the lower end of connecting shaft, and is moved up and down by cylinder drive, and described upper casting die includes
Upper insulation plate and upper electrode block, the center of described upper insulation plate upper surface is fixed in the lower end of connecting shaft, under upper insulation plate
End face is fixing with on upper electrode block to be connected, and described piece under pressure is fixed on the center of base upper surface, under described piece under pressure includes
Insulation board and bottom electrode block, lower insulation plate is fixed on the center of base upper surface, and bottom electrode block is fixed on the upper of lower insulation plate
On end face, upper electrode block and bottom electrode block are respectively by measuring wiring connection measuring instruments.
A kind of measurement apparatus of membranaceous resistance, it is characterised in that: described upper electrode block and bottom electrode
At least one binding post it is respectively equipped with on the lateral surface of block.
A kind of measurement apparatus of membranaceous resistance, it is characterised in that: described lower insulation plate upper surface
Center is provided with boss, and described boss center is provided with installation groove, and described bottom electrode block is fixed in installation groove.
A kind of measurement apparatus of membranaceous resistance, it is characterised in that: described upper electrode block and bottom electrode
Block is by red copper material molding.
A kind of measurement apparatus of membranaceous resistance, it is characterised in that: described upper electrode block and bottom electrode
Block reaches more than 1.6 with the fineness on the surface of membranaceous Ohmic contact to be measured.
A kind of measurement apparatus of membranaceous resistance, it is characterised in that: described upper electrode block and bottom electrode
The shape of cross section of block is circular or regular polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620518327.2U CN205665326U (en) | 2016-05-31 | 2016-05-31 | Measurement device for film resistors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620518327.2U CN205665326U (en) | 2016-05-31 | 2016-05-31 | Measurement device for film resistors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205665326U true CN205665326U (en) | 2016-10-26 |
Family
ID=57158055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620518327.2U Expired - Fee Related CN205665326U (en) | 2016-05-31 | 2016-05-31 | Measurement device for film resistors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205665326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633399A (en) * | 2018-12-20 | 2019-04-16 | 北京无线电计量测试研究所 | A kind of Testing device of electrical parameter of quartz wafer |
-
2016
- 2016-05-31 CN CN201620518327.2U patent/CN205665326U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633399A (en) * | 2018-12-20 | 2019-04-16 | 北京无线电计量测试研究所 | A kind of Testing device of electrical parameter of quartz wafer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 Termination date: 20210531 |