CN109342509A - Contact resistance test machine and its method - Google Patents
Contact resistance test machine and its method Download PDFInfo
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- CN109342509A CN109342509A CN201811412513.8A CN201811412513A CN109342509A CN 109342509 A CN109342509 A CN 109342509A CN 201811412513 A CN201811412513 A CN 201811412513A CN 109342509 A CN109342509 A CN 109342509A
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- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005303 weighing Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000003028 elevating effect Effects 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 238000005259 measurement Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 11
- 238000000691 measurement method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 3
- 239000000047 product Substances 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/041—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The present invention provides contact resistance test machine and its methods, belong to resistance detection technical field.Contact resistance test machine, including pedestal, display touch screen is fixed on pedestal, ohmmeter and fixed frame, with the test clip of test resistance on ohmmeter, the detection device for detection resistance is additionally provided on fixed frame, detection device includes top electrode, lower electrode, weight transmitter, weighing sensor and mounting cylinder, weight transmitter is fixed on fixed frame upper end, the upper end of fixed frame is arranged in by regulating mechanism for mounting cylinder, mounting cylinder is located at below weight transmitter, top electrode is mounted in mounting cylinder, weighing sensor is fixed in mounting cylinder and leans with top electrode upper end, lower electrode is set on the base by elevating mechanism, lower electrode exterior is arranged with separation sleeve.The present invention has the advantages that detection resistance is accurate high, easy to operate.
Description
Technical field
The invention belongs to resistance detection technical fields, especially contact resistance test machine and its method.
Background technique
Chemical composition coating, also known as metal conversion film.It is the yin in metal (including coated metal) surface layer atom and medium
Ion reacts to each other, and generates the separation layer that adhesive force is good in metal surface, this layer of compound separation layer is known as chemical composition coating.
The formation of conversion film is also possible to electrochemical reaction either the pure chemistry between metal-medium is reacted.
Traditional measurement method is adopted manually, and in measurement process, resistance error is larger, is unable to precise measurement,
In use, pressure dynamics cannot control, and the test of resistance be influenced, in top electrode and lower electrode for top electrode and lower electrode
During pressure, the damage of molding surface metal layer directly affects the reliability of test resistance.
Summary of the invention
The first object of the present invention is the presence of the above problem in view of the prior art, proposes contact resistance test machine, tool
Have the characteristics that detection resistance is accurate high, easy to operate.
The first object of the present invention can be realized by the following technical scheme:
Contact resistance test machine, including pedestal are fixed with display touch screen, ohmmeter and fixed frame, ohmmeter on pedestal
The upper test clip with test resistance, which is characterized in that the detection dress for detection resistance is additionally provided on the fixed frame
It sets, the detection device includes that top electrode, lower electrode, weight transmitter, weighing sensor and mounting cylinder, weight transmitter are solid
It is scheduled on fixed frame upper end, the upper end of fixed frame is arranged in by regulating mechanism for mounting cylinder, and mounting cylinder is located at below weight transmitter,
Top electrode is mounted in mounting cylinder, and weighing sensor is fixed in mounting cylinder and leans with top electrode upper end, the lower electricity
Pole is set on the base by elevating mechanism, and lower electrode exterior is arranged with separation sleeve, and top electrode is located at the surface of lower electrode, under
Electrode can be contacted with top electrode, and weighing sensor is connected by route with weight transmitter.
The working principle of the invention: object to be measured is placed on lower electrode, then by elevating mechanism, drives lower electrode
It ramps up, until object to be measured is abutted against with top electrode, the pressure that object is subject to becomes 90.05kg ± 1%, stops pressure, uses
Ohmmeter is detected, manually recorded data after band ohmmeter display is stablized.Mechanical control simultaneously, the pressure that object is subject to
Control avoids the unstable inaccuracy so as to cause measurement data of size of force in 90.05kg ± 1%, send change by weighing
Device and weighing sensor can intuitively see force data.
The present invention uses mechanical structure, and data caused by manual testing are inaccurate after changing, and it is accurate to improve measurement
Property.
In above-mentioned contact resistance test machine, the regulating mechanism includes spherical bearing and fixed column, the fixation
Column is fixed on fixed frame top, and inner ring and the fixed column of the spherical bearing are fixedly linked, the outer ring of spherical bearing and installation
Set is fixedly linked.During measurement, need to guarantee that top electrode is bonded completely with lower electrode with object surface, to guarantee to measure
Accuracy, top electrode is fixedly connected by spherical bearing with installation set, and top electrode can be adjusted within a certain angle position, with
Reach top electrode to be bonded with object surface.
In above-mentioned contact resistance test machine, multiple adjusting screws, adjusting screw are threaded in the installation set
End can and fixed column against.After adjusting finishes in top electrode orientation, tightens adjusting screw simultaneously and fixed column is against spherical surface
Bearing cannot shake, and top electrode is fixed.
In above-mentioned contact resistance test machine, anti-rotation screw, the end of anti-rotation screw are threaded in the installation set
Portion can and top electrode against.It by anti-rotation screw, can prevent during force, top electrode rotation.
In above-mentioned contact resistance test machine, the elevating mechanism is push-rod electric machine.It is able to drive by push-rod electric machine
The oscilaltion of lower electrode.
In above-mentioned contact resistance test machine, the top electrode is identical with the shape of lower electrode.Top electrode and lower electrode
Contact area it is equal, and top electrode can be aligned completely with lower electrode, so as to improve the accuracy of measurement.
In above-mentioned contact resistance test machine, the material of the top electrode and lower electrode is red copper, and surface roughness is
Ra is less than 0.4.
The second object of the present invention can be realized by the following technical scheme:
The measurement method of contact resistance test machine, which comprises the following steps:
S1, both hands put on mitten, etc. whole process operated after can remove, in order to avoid in test process shunt electricity
Stream cleans top electrode and lower electrode with clean cloth and absolute alcohol, dirty wipes above；
S2, after plugging in, to system initialization and enter standby mode；
S3, so that ohmmeter is in preparation state, test clip connects product to be measured, by product to be measured be placed in upper/lower electrode it
Between；
S4, it drives lower electrode to rise, when weight transmitter is shown as 90.05 ± 1%, stops rising；
S5, it is measured by ohmmeter, after ohmmeter display is stablized, makes ohmmeter stop measuring, and manually recorded
Onto list.
S6, by replacement of products to be measured region to be measured, then proceed by measurement, and manually recorded on list.
In the measurement method of above-mentioned contact resistance test machine, product to be measured is divided into 8~10 tested points successively amount of progress
It surveys.
In the measurement method of above-mentioned contact resistance test machine, power requirement: 220V/50Hz, while being grounded good.
Compared with prior art, the invention has the following advantages that
1, by mechanical control, by object by pressure control the size that avoids exerting a force in 90.05kg ± 1% not
Stablize the inaccuracy so as to cause measurement data, by weighing converter and weighing sensor, can intuitively see force data.
The present invention uses mechanical structure, and data caused by manual testing are inaccurate after changing, and improve measurement precision.
2, the position that top electrode can be freely adjusted by the settings of spherical bearing keeps top electrode and lower electrode complete
It is contacted entirely with object surface, improves the accuracy of measurement.
3, it by the setting of anti-rotation screw, can prevent during force, top electrode rotation destroys the gold of object surface
Belong to coating.
4, the resistance of the object to be measured is accurately measured by way of multi-point sampler.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention.
Fig. 2 is the schematic diagram of top electrode and lower electrode in the present invention.
In figure, 1, pedestal；2, touch screen is shown；3, ohmmeter；4, fixed frame；5, top electrode；6, lower electrode；7, weighing becomes
Send device；8, weighing sensor；9, mounting cylinder；10, spherical bearing；11, fixed column；12, adjusting screw；13, anti-rotation screw；14,
Push-rod electric machine.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1 to Figure 2, contact resistance test machine, including pedestal 1 are fixed with display touch screen 2, ohm on pedestal 1
Table 3 and fixed frame 4 are additionally provided with the inspection for detection resistance with the test clip of test resistance on ohmmeter 3 on fixed frame 4
Device is surveyed, detection device includes top electrode 5, lower electrode 6, weight transmitter 7, weighing sensor 8 and mounting cylinder 9, weighing transmitting
Device 7 is fixed on 4 upper end of fixed frame, and the upper end of fixed frame 4 is arranged in by regulating mechanism for mounting cylinder 9, and mounting cylinder 9 is located at weighing and becomes
Send the lower section of device 7, top electrode 5 is mounted in mounting cylinder 9, weighing sensor 8 be fixed in mounting cylinder 9 and with 5 upper end phase of top electrode
Against lower electrode 6 is arranged on pedestal 1 by elevating mechanism, and lower 6 outer cover of electrode is equipped with separation sleeve, and top electrode 5 is located at lower electricity
The surface of pole 6, lower electrode 6 can be contacted with top electrode 5, and weighing sensor 8 is connected by route with weight transmitter 7.
Control mechanical simultaneously, by object by pressure control and avoids the size shakiness of force in 90.05kg ± 1%
The fixed inaccuracy so as to cause measurement data can intuitively see force data by weighing converter and weighing sensor 8.
The present invention uses mechanical structure, and data caused by manual testing are inaccurate after changing, and it is accurate to improve measurement
Property.
In above-mentioned contact resistance test machine, regulating mechanism includes spherical bearing 10 and fixed column 11, and fixed column 11 is fixed
On 4 top of fixed frame, inner ring and the fixed column 11 of spherical bearing 10 are fixedly linked, and outer ring and the installation set of spherical bearing 10 are fixed
It is connected.During measurement, need to guarantee that top electrode 5 is bonded completely with lower electrode 6 with object surface, to guarantee the essence of measurement
Exactness, top electrode 5 are fixedly connected by spherical bearing 10 with installation set, and top electrode 5 can be adjusted within a certain angle position, with
Reach top electrode 5 to be bonded with object surface.
In above-mentioned contact resistance test machine, multiple adjusting screws 12 are threaded in installation set, adjusting screw 12
End can with fixed column 11 against.After adjusting finishes in 5 orientation of top electrode, tightens adjusting screw 12 and supported with fixed column 11
It leans on, spherical bearing 10 cannot shake, and top electrode 5 is fixed.
In above-mentioned contact resistance test machine, anti-rotation screw 13, the end of anti-rotation screw 13 are threaded in installation set
Can with top electrode 5 against.It by anti-rotation screw 13, can prevent during force, top electrode 5 rotates.Prevent top electrode 5
Surface metal-layer is caused to damage during pressure with lower electrode 6.
In above-mentioned contact resistance test machine, elevating mechanism is push-rod electric machine 14.It is able to drive down by push-rod electric machine 14
The oscilaltion of electrode 6.
In above-mentioned contact resistance test machine, top electrode 5 is identical with the shape of lower electrode 6.Top electrode 5 and lower electrode 6
Contact area is equal, and top electrode 5 can be aligned completely with lower electrode 6, so as to improve the accuracy of measurement.
In above-mentioned contact resistance test machine, the material of top electrode 5 and lower electrode 6 is red copper, and surface roughness is that Ra is small
In 0.4.
The working principle of the invention: object to be measured is placed on lower electrode 6, then by elevating mechanism, drives lower electricity
Pole 6 ramps up, and until object to be measured and top electrode 5 abut against, the pressure that object is subject to becomes 90.05kg ± 1%, stops applying
Pressure, is detected with ohmmeter 3, manually recorded data after the band display of ohmmeter 3 is stablized.
The second object of the present invention can be realized by the following technical scheme:
The measurement method of contact resistance test machine, which comprises the following steps:
S1, both hands put on mitten, etc. whole process operated after can remove, in order to avoid in test process shunt electricity
Stream cleans top electrode and lower electrode with clean cloth and absolute alcohol, dirty wipes above；
S2, after plugging in, to system initialization and enter standby mode；
S3, so that ohmmeter is in preparation state, test clip connects product to be measured, by product to be measured be placed in upper/lower electrode it
Between；
S4, it drives lower electrode to rise, when weight transmitter is shown as 90.05 ± 1%, stops rising；
S5, it is measured by ohmmeter, after ohmmeter display is stablized, makes ohmmeter stop measuring, and manually recorded
Onto list.
S6, by replacement of products to be measured region to be measured, then proceed by measurement, and manually recorded on list.
In the measurement method of above-mentioned contact resistance test machine, product to be measured is divided into 8~10 tested points successively amount of progress
It surveys.
In the measurement method of above-mentioned contact resistance test machine, power requirement: 220V/50Hz, while being grounded good.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. contact resistance test machine, including pedestal, it is fixed with display touch screen, ohmmeter and fixed frame on pedestal, on ohmmeter
Test clip with test resistance, which is characterized in that the detection device for detection resistance is additionally provided on the fixed frame,
The detection device includes that top electrode, lower electrode, weight transmitter, weighing sensor and mounting cylinder, weight transmitter are fixed
In fixed frame upper end, the upper end of fixed frame is arranged in by regulating mechanism for mounting cylinder, and mounting cylinder is located at below weight transmitter, on
Electrode is mounted in mounting cylinder, and weighing sensor is fixed in mounting cylinder and leans with top electrode upper end, the lower electrode
It is set on the base by elevating mechanism, lower electrode exterior is arranged with separation sleeve, and top electrode is located at the surface of lower electrode, lower electricity
Pole can be contacted with top electrode, and weighing sensor is connected by route with weight transmitter.
2. contact resistance test machine according to claim 1, which is characterized in that the regulating mechanism includes spherical bearing
And fixed column, the fixed column are fixed on fixed frame top, inner ring and the fixed column of the spherical bearing are fixedly linked, ball
The outer ring of spherical bearing is fixedly linked with installation set.
3. contact resistance test machine according to claim 2, which is characterized in that be threaded in the installation set more
A adjusting screw, the end of adjusting screw can and fixed column against.
4. contact resistance test machine according to claim 3, which is characterized in that be threaded in the installation set anti-
Turn screw, the end of anti-rotation screw can and top electrode against.
5. contact resistance test machine according to claim 1, which is characterized in that the elevating mechanism is push-rod electric machine.
6. contact resistance test machine according to claim 1, which is characterized in that the shape of the top electrode and lower electrode
It is identical.
7. contact resistance test machine according to claim 1, which is characterized in that the material of the top electrode and lower electrode
For red copper, surface roughness is Ra less than 0.4.
8. contact resistance test machine according to claims 1 to 7, which is characterized in that the contact resistance test machine
Measurement method, comprising the following steps:
S1, both hands put on mitten, etc. whole process operated after can remove, in order to avoid shunt current in test process, use
Clean cloth and absolute alcohol clean top electrode and lower electrode, dirty wipe above；
S2, after plugging in, to system initialization and enter standby mode；
S3, ohmmeter is made to be in preparation state, test clip connects product to be measured, and product to be measured is placed between upper/lower electrode；
S4, it drives lower electrode to rise, when weight transmitter is shown as 90.05 ± 1%, stops rising；
S5, it is measured by ohmmeter, after ohmmeter display is stablized, ohmmeter is made to stop measuring, and manually recorded to table
Dan Shang.
S6, by replacement of products to be measured region to be measured, then proceed by measurement, and manually recorded on list.
9. contact resistance test machine according to claim 8, which is characterized in that the product to be measured is divided into 8~10
Tested point is successively measured.
10. contact resistance test machine according to claim 8, which is characterized in that power requirement: 220V/50Hz connects simultaneously
Ground is good.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811412513.8A CN109342509A (en) | 2018-11-23 | 2018-11-23 | Contact resistance test machine and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811412513.8A CN109342509A (en) | 2018-11-23 | 2018-11-23 | Contact resistance test machine and its method |
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| Publication Number | Publication Date |
|---|---|
| CN109342509A true CN109342509A (en) | 2019-02-15 |
Family
ID=65317686
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|---|---|---|---|
| CN201811412513.8A Pending CN109342509A (en) | 2018-11-23 | 2018-11-23 | Contact resistance test machine and its method |
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Cited By (2)
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|---|---|---|---|---|
| CN112630537A (en) * | 2021-01-15 | 2021-04-09 | 葛华林 | Resistor batch detection system and application method thereof |
| CN113203917A (en) * | 2021-04-25 | 2021-08-03 | 国网河南省电力公司平顶山供电公司 | Method for pre-judging heating defect of diversion loop of reactive power compensation device |
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