CN207557349U - A kind of electric resistance measuring apparatus - Google Patents
A kind of electric resistance measuring apparatus Download PDFInfo
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- CN207557349U CN207557349U CN201721720640.5U CN201721720640U CN207557349U CN 207557349 U CN207557349 U CN 207557349U CN 201721720640 U CN201721720640 U CN 201721720640U CN 207557349 U CN207557349 U CN 207557349U
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- probe
- pressure gauge
- electrode
- insulating part
- bottom plate
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Abstract
The utility model provides a kind of electric resistance measuring apparatus, and including pedestal bottom plate, the base seat support being vertically installed on pedestal bottom plate further includes：Elevating mechanism is installed on the base seat support, the adjusting part to move up and down including pressure gauge base and for driving pressure gauge stand；Pressure gauge is removably mounted on the pressure gauge base, and pressure gauge is used for the pressure value on measuring electrode component touch testee surface；The electrode assembly include connection pressure gauge probe fixing bracket and several be movably arranged on electrode probe on probe fixing bracket, each electrode probe connects micro-ohm measuring instrument by corresponding connecting line, for measuring the resistance value of testee.Electric resistance measuring apparatus provided by the utility model accurately can be applied to the electrode pressure on testee surface by coordination electrode probe, and be directed to the testee of some surface irregularities, and electrode probe can adaptively rotate adjusting, greatly improve measurement accuracy.
Description
Technical field
The utility model is related to detection technique field more particularly to a kind of electric resistance measuring apparatus for detection resistance.
Background technology
Generally, needed in detection technique field using survey tool come the resistance of detection object surface metal plating layer, it is existing
Some measurement process need that the electrode of survey tool is pressed on testee surface by the way of Manual press；But in reality
In measurement process, electrode is pressed with hand, the pressing force applied every time all cannot keep stabilization, and electrode surface pressure size is also remote
It does not reach requirement；Along with the surface of not all testee is all smooth, for the object of rough surface or bending
For, electrode and the contact situation on testee surface are different in measurement process, lead to the resistance measurement of testee
The poor accuracy of data, measurement result can not obtain effective guarantee.
Utility model content
The purpose of this utility model is that：For the above-mentioned prior art in the measurement process of middle metallic resistance electrode pressure without
Method meets test request, electrode contacted with testee surface it is uneven caused by measurement data it is inaccurate the problem of, provide
One kind can accurately ensure electrode pressure, can adapt to the electric resistance measuring apparatus on testee out-of-flatness surface.
The technical solution that the utility model is proposed with regard to above-mentioned technical problem is as follows：A kind of electric resistance measuring apparatus is provided, is wrapped
It includes for the pedestal bottom plate for placing testee and the base seat support being vertically installed on the pedestal bottom plate, the measuring device
It further includes：
Elevating mechanism is installed on the base seat support, and the elevating mechanism includes the pressure gauge for installing pressure gauge
Seat and the adjusting part for the pressure gauge base to be driven to move up and down；
Pressure gauge is removably mounted on the pressure gauge base, and the pressure gauge connects close to one end of the pedestal bottom plate
Electrode assembly is connected to, the pressure gauge is used to measure the pressure value on the electrode assembly contact testee surface；
Electrode assembly, including connect the pressure gauge probe fixing bracket and several to be movably arranged on the probe solid
Determine the electrode probe on frame, each electrode probe connects micro-ohm measuring instrument by corresponding connecting line, tested for measuring
The resistance value of object.
Wherein, spaced first mounting groove and the second mounting groove are offered on the probe fixing bracket；
The electrode assembly further includes first be movably set in respectively in first mounting groove and the second mounting groove absolutely
Edge part and the second insulating part；
The electrode probe include be installed in the first insulating part two opposite side walls first probe and second probe and
The third probe and the 4th probe being installed in the second insulating part two opposite side walls, first insulating part and the second insulating part are used
In realize it is described first probe and second probe and third probe the 4th probe between being electrically insulated.
Wherein, the electrode assembly is further included along the probe fixing bracket length direction through the probe fixing bracket, the
The electrode connecting rod of one insulating part and the second insulating part；
The electrode connecting rod is fixedly connected with the probe fixing bracket, and first insulating part and the second insulating part can be around
Electrode connecting rod is rotated, and first probe, the second probe, third probe and described the are adjusted for adaptively rotating
Four probes are bonded the out-of-flatness surface of testee respectively.
Wherein, the pressure gauge base includes：It fixed side panel and is relatively arranged in the fixed side panel width direction
First engaging arm and the second engaging arm；
It is curved that the end of first engaging arm and the second engaging arm far from fixed side panel is bent to form wavy first respectively
The protruding end of folding part and the second bending part, first bending part and the second bending part be oppositely arranged and two protruding ends it
Between lateral distance be less than the pressure gauge width, for pressure gauge described in elastic engaging；
The pressure gauge base further includes the first bottom plate for being relatively arranged on the fixed side panel upper and lower ends portion and the second bottom
Plate, first bottom plate and the second bottom plate are used to engage the pressure gauge from the length direction of the pressure gauge.
Wherein, the adjusting part includes the first crossbeam and second cross beam that are installed on the base seat support, Yi Jizhuan
The dynamic screw for connecting the first crossbeam and second cross beam；
Guide rod is additionally provided between the first crossbeam and second cross beam, being provided on the guide rod can be along the guide rod
The fixed seat of lower slider, the pressure gauge base are installed in the fixed seat；
The adjusting part further includes the rotating disc for connecting the screw, and the rotating disc is used to that screw to be driven to rotate, into
And the pressure gauge of the fixed seat and its top is driven to carry out rising or falling movement.
Wherein, it offers that the electricity is installed respectively in the two opposite side walls of first insulating part and the second insulating part
The probe mounting groove of pole probe, the depth of the probe mounting groove are more than the thickness of the electrode probe, are used to implement the electricity
Pole probe is electrically insulated with the probe fixing bracket.
Wherein, the measuring device further includes pressure gauge connecting rod, and described pressure gauge connecting rod one end connects the pressure
Table, the other end are detachably connected the probe fixing bracket.
Wherein, it is additionally provided with handle above the rotating disc.
Wherein, journal bearing is respectively arranged on the first crossbeam and second cross beam, the screw passes through the radial direction
Bearing is rotatablely connected the first crossbeam and second cross beam.
Wherein, the pedestal bottom plate bottom interval is provided with several glue feet.
The advantageous effect that a kind of electric resistance measuring apparatus provided by the utility model is brought is：The measuring device passes through pressure
Table and elevating mechanism are used cooperatively, and accurately can be applied to the electrode pressure on testee surface, and electricity by coordination electrode probe
Pole probe articulating head fixed frame, for the testee of some surface irregularities, electrode probe can be rotated adaptively
It adjusts, so that electrode probe is bonded testee surface completely, prevents the two loose contact or electrode probe to testee pressure
Power is excessive to be caused to damage, and improves measurement accuracy.
Description of the drawings
Fig. 1 is the structure diagram of electric resistance measuring apparatus provided by the utility model；
Fig. 2 is the structure diagram of electric resistance measuring apparatus electrode assembly provided by the utility model；
Fig. 3 is the structure diagram of electric resistance measuring apparatus pressure gauge base provided by the utility model；
Fig. 4 is the structure diagram of electric resistance measuring apparatus provided by the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
As shown in Figure 1, electric resistance measuring apparatus provided by the utility model includes the pedestal bottom for placing testee 600
Plate 110 and the base seat support 120 for being vertically installed in 110 top of pedestal bottom plate；
The measuring device further includes the elevating mechanism 200 being installed on base seat support 120, and elevating mechanism 200 includes pressure
Power gauge stand 210 and for adjusting the adjusting part 220 that pressure gauge base 210 moves up and down；
Pressure gauge 300 is detachably installed, pressure gauge 300 is downward close to one end of pedestal bottom plate 110 on pressure gauge base 210
Extension is connected with electrode assembly 400, is moved downward, and then drive electrode assembly when adjusting part 220 adjusts pressure gauge base 210
400 with certain pressure contact testee surface, and pressure gauge 300 can accurately measure the pressure size, so that electrode assembly 400
Pressure reach Industry code requirements.
Electrode assembly 400 includes probe fixing bracket 410 and several are movably arranged on electrode on probe fixing bracket 410
Probe 420, each electrode probe 420 are electrically connected micro-ohm measuring instrument 500 by corresponding connecting line, and micro-ohm measuring instrument 500 uses
Four line low-resistance test philosophy of Kelvin, measuring accuracy can reach milliohm rank, can accurately measure the small resistance of testee
Value.
Pressure gauge connecting rod 310 is provided between electrode assembly 400 and pressure gauge 300,310 one end of pressure gauge connecting rod connects
Connect pressure gauge 300, other end connection probe fixing bracket 410；
110 bottom of pedestal bottom plate is additionally provided with several glue feet, when the measuring device is positioned on work top
It waits, the effect of buffering can be started.
Further, with reference to shown in Fig. 2, spaced first mounting groove 411 and are offered on probe fixing bracket 410
Two mounting grooves 412；
Electrode assembly 400 further includes activity setting respectively and first in the first mounting groove 411 and the second mounting groove 412 is exhausted
441 and second insulating part 442 of edge part；
Electrode probe 420 includes the be installed in 441 two opposite side walls of the first insulating part first probe 421 and the second probe
422 and be installed in 442 two opposite side walls of the second insulating part third probe 423 and the 4th probe 424, the first insulating part
441 and second insulating part 442 be used to implement the first probe 421 and the second probe 422 and 423 and the 4th probe of third probe
Being electrically insulated between 424；
Specifically, it offers that electricity is installed respectively in the two opposite side walls of the first insulating part 441 and the second insulating part 442
The probe mounting groove 443 of pole probe 420, wherein, the depth of probe mounting groove 443 is more than the thickness of each electrode probe 420, with
Electrode probe is enable to be inlayed completely into insulating part, realizes being electrically insulated between electrode probe 420 and probe fixing bracket 410；
Electrode probe 420 is connected through a screw thread on the side wall for being installed on the first insulating part 441 and the second insulating part 442；
In actual use, the first probe 421 connects micro-ohm measuring instrument 500 with the second probe 422 by corresponding connecting line
Electric current supply circuit, 423 and the 4th probe 424 of third probe passes through corresponding connecting line and is electrically connected micro-ohm measuring instrument 500
Voltage determination circuit, so that micro-ohm measuring instrument 500 can accurately read the resistance value on testee surface；
Electrode assembly 400 is further included along 410 length direction of probe fixing bracket through probe fixing bracket 410, the first insulating part
441 and second insulating part 442 electrode connecting rod 450, electrode connecting rod 450 is fixedly connected with probe fixing bracket 410, and first
441 and second insulating part 442 of insulating part can be rotated around electrode connecting rod 450 in subrange, therefore, the first probe
421st, the second probe 422, third probe 423 and the 4th probe 424 can be carried out according to the surface smoothness of testee
Adaptive rotation is adjusted, and can be bonded testee surface completely with the end for being four probes, be prevented electrode probe from contacting quilt
The problem of measurement accuracy caused by survey body surface is not close is inaccurate.
In the present embodiment, first probe 421, second probe 422, third probe 423 and it is described 4th probe 424 electricity
Pole-face product adds up to 1cm2And each probe outer surface plates gold protective layer, electrode probe is applied to testee surface
Electrode pressure is 1.4MPa, can meet relevant industries standard with resistance measuring operations.
Further, with reference to shown in Fig. 3, pressure gauge base 210 includes the fixed side panel that parallel pressure table 300 is vertically arranged
211, it the first engaging arm 212 and the second engaging arm 213 that are relatively arranged in 211 width direction of fixed side panel and opposite sets
It is placed in first bottom plate 214 and the second bottom plate 215 in 211 upper and lower ends portion of fixed side panel；
First engaging arm 212 and the second end of the engaging arm 213 far from fixed side panel 211 have been bent to form wavy respectively
The first bending part 212a and the protruding end of the second bending part 213a, the first bending part 212a and the second bending part 213a opposite set
It puts and lateral distance between two protruding ends is less than the width of pressure gauge 300, the first engaging arm 212 and the second engaging arm 213
With certain screen resilience, can elastic engaging pressure gauge 300, in actual use, pass through the first engaging arm 212 and the second engaging
Arm 213 struts and springs back the quick-replaceable that can realize pressure gauge 300；
1 vertical range and the length of pressure gauge 300 between first bottom plate 214 and the second bottom plate 215 match, for from
The length direction engaging pressure gauge 300 of pressure gauge 300.
Further, with reference to shown in Fig. 4, adjusting part 220 includes the first crossbeam 221 being installed on base seat support 120
With second cross beam 222 and rotation connection first crossbeam 221 and second cross beam 222 screw 223, specifically, first crossbeam
221 and second cross beam 222 on be respectively arranged with journal bearing 228, it is horizontal that screw 223 passes through the rotation connection of journal bearing 228 first
Beam 221 and second cross beam 222；
Guide rod 224 is additionally provided between first crossbeam 221 and second cross beam 222, there are two guide rods 224, two guide rods 224
223 both sides of screw are arranged on along the length direction of first crossbeam 221；
The fixed seat 225 that can be slided up and down along guide rod 224 is provided on guide rod 224, pressure gauge base 210 passes through fixed side panel
211 peaces turn in fixed seat 225；
223 top of screw is provided with rotating disc 226, and rotating disc 226 drives and fixes for screw 223 to be driven to rotate
Seat 225 and its pressure gauge 300 of top carry out raising and lowering movement, and guide rod 224 is pressure gauge 300 above and below vertical direction
Movement provides guiding role；
226 top of rotating disc is additionally provided with handle 227, and the use for operator provides convenience.
In conclusion electric resistance measuring apparatus provided by the utility model being used cooperatively by pressure gauge and elevating mechanism,
Accurately the electrode pressure on testee surface can be applied to by coordination electrode probe, electrode pressure is made to meet relevant industries standard,
It both prevents loose contact or electrode probe is excessive to testee pressure causes to damage, while reduce the operation of staff
Complexity；And electrode probe articulating head fixed frame, for the testee of some surface irregularities, electrode probe can
Adaptive rotation is adjusted, so that electrode probe is bonded testee surface completely, improves measurement accuracy；On the other hand, pressure gauge
Seat elastic engaging pressure gauge, to replace different providing a great convenience property of pressure gauge.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the right of the utility model.
Claims (10)
1. a kind of electric resistance measuring apparatus, including being used to place the pedestal bottom plate (110) of testee (600) and being vertically installed in institute
State the base seat support (120) on pedestal bottom plate (110), which is characterized in that further include：
Elevating mechanism (200) is installed on the base seat support (120), and the elevating mechanism (200) installs pressure including being used for
The pressure gauge base (210) of table (300) and the adjusting part for the pressure gauge base (210) to be driven to move up and down
(220)；
Pressure gauge (300) is removably mounted on the pressure gauge base (210), and the pressure gauge (300) is close to the pedestal bottom
One end of plate (110) is connected with electrode assembly (400), and the pressure gauge (300) contacts for measuring the electrode assembly (400)
The pressure value on testee surface；
Electrode assembly (400), probe fixing bracket (410) and several activity settings including connecting the pressure gauge (300)
Electrode probe (420) on the probe fixing bracket (410), each electrode probe (420) pass through corresponding connecting line
Micro-ohm measuring instrument (500) is connected, for measuring the resistance value of testee.
2. measuring device according to claim 1, which is characterized in that offer interval on the probe fixing bracket (410)
The first mounting groove (411) of setting and the second mounting groove (412)；
The electrode assembly (400) further includes is movably set in first mounting groove (411) and the second mounting groove (412) respectively
Interior the first insulating part (441) and the second insulating part (442)；
The electrode probe (420) includes the first probe (421) and for being installed in the first insulating part (441) two opposite side walls
Two probes (422) and the third probe (423) being installed in the second insulating part (442) two opposite side walls and the 4th probe
(424), first insulating part (441) and the second insulating part (442) are used to implement first probe (421) and the second probe
(422) being electrically insulated and between third probe (423) and the 4th probe (424).
3. measuring device according to claim 2, which is characterized in that the electrode assembly (400) is further included along the spy
Head frame (410) length direction runs through the probe fixing bracket (410), the first insulating part (441) and the second insulating part (442)
Electrode connecting rod (450)；
The electrode connecting rod (450) is fixedly connected with the probe fixing bracket (410), first insulating part (441) and
Two insulating parts (442) can be rotated around electrode connecting rod (450), and first probe (421), second are adjusted for adaptively rotating
Probe (422), third probe (423) and the 4th probe (424) are bonded the out-of-flatness surface of testee respectively.
4. measuring device according to claim 1, which is characterized in that the pressure gauge base (210) includes：Fixed side panel
(211) and the first engaging arm (212) and the second engaging arm that are relatively arranged in the fixed side panel (211) width direction
(213)；
The end of first engaging arm (212) and the second engaging arm (213) far from fixed side panel (211) is bent to form wave respectively
The first bending part (212a) of wave-like and the second bending part (213a), first bending part (212a) and the second bending part
The protruding end of (213a) is oppositely arranged and lateral distance between two protruding ends is less than the width of the pressure gauge (300)
Degree, for pressure gauge described in elastic engaging (300)；
The pressure gauge base (210) further includes the first bottom plate for being relatively arranged on the fixed side panel (211) upper and lower ends portion
(214) and the second bottom plate (215), first bottom plate (214) and the second bottom plate (215) are for from the pressure gauge (300)
Length direction engages the pressure gauge (300).
5. measuring device according to claim 4, which is characterized in that the adjusting part (220) is described including being installed on
First crossbeam (221) and second cross beam (222) on base seat support (120) and the rotation connection first crossbeam (221) and
The screw (223) of second cross beam (222)；
Guide rod (224) is additionally provided between the first crossbeam (221) and second cross beam (222), is set on the guide rod (224)
The fixed seat can be installed on along the fixed seat (225) that the guide rod (224) slide up and down, the pressure gauge base (210) by having
(225) on；
The adjusting part (220) further includes the rotating disc (226) for connecting the screw (223), and the rotating disc (226) is used for
Screw (223) is driven to rotate, and then the pressure gauge (300) of the fixed seat (225) and its top is driven to be risen or fallen
Movement.
6. measuring device according to claim 2, which is characterized in that first insulating part (441) and the second insulating part
(442) the probe mounting groove (443) for installing the electrode probe (420) is offered in two opposite side walls respectively, it is described
Pop one's head in mounting groove (443) depth be more than the electrode probe (420) thickness, be used to implement the electrode probe (420) with
Probe fixing bracket (410) are electrically insulated.
7. measuring device according to claim 2, which is characterized in that the measuring device further includes pressure gauge connecting rod
(310), described pressure gauge connecting rod (310) one end connects the pressure gauge (300), and it is solid that the other end is detachably connected the probe
Determine frame (410).
8. measuring device according to claim 5, which is characterized in that be additionally provided with handle above the rotating disc (226)
(227)。
9. measuring device according to claim 5, which is characterized in that the first crossbeam (221) and second cross beam (222)
On be respectively arranged with journal bearing (228), the screw (223) passes through the journal bearing (228) rotation connection described first
Crossbeam (221) and second cross beam (222).
10. measuring device according to claim 1, which is characterized in that pedestal bottom plate (110) bottom interval is provided with
Several glue feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721720640.5U CN207557349U (en) | 2017-12-12 | 2017-12-12 | A kind of electric resistance measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721720640.5U CN207557349U (en) | 2017-12-12 | 2017-12-12 | A kind of electric resistance measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207557349U true CN207557349U (en) | 2018-06-29 |
Family
ID=62662782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721720640.5U Active CN207557349U (en) | 2017-12-12 | 2017-12-12 | A kind of electric resistance measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207557349U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342509A (en) * | 2018-11-23 | 2019-02-15 | 海宁红狮宝盛科技有限公司 | Contact resistance test machine and its method |
| CN113358936A (en) * | 2021-07-07 | 2021-09-07 | 广东鸿图科技股份有限公司 | Resistance measuring device for conductive adhesive tape in shielding cover |
-
2017
- 2017-12-12 CN CN201721720640.5U patent/CN207557349U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342509A (en) * | 2018-11-23 | 2019-02-15 | 海宁红狮宝盛科技有限公司 | Contact resistance test machine and its method |
| CN113358936A (en) * | 2021-07-07 | 2021-09-07 | 广东鸿图科技股份有限公司 | Resistance measuring device for conductive adhesive tape in shielding cover |
| CN113358936B (en) * | 2021-07-07 | 2024-04-05 | 广东鸿图科技股份有限公司 | Resistance measuring device for conductive adhesive tape in shielding cover |
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