CN218782340U - Micro-resistance tester for circuit board - Google Patents
Micro-resistance tester for circuit board Download PDFInfo
- Publication number
- CN218782340U CN218782340U CN202222749946.0U CN202222749946U CN218782340U CN 218782340 U CN218782340 U CN 218782340U CN 202222749946 U CN202222749946 U CN 202222749946U CN 218782340 U CN218782340 U CN 218782340U
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- Prior art keywords
- resistance tester
- micro
- shell
- circuit board
- shielding
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- 239000000523 sample Substances 0.000 claims abstract description 16
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 11
- 239000010935 stainless steel Substances 0.000 claims abstract description 11
- 238000010030 laminating Methods 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000005389 magnetism Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model relates to a little resistance tester of circuit board, including little resistance tester shell, installation base and protection shell subassembly, the installation base is located the below of little resistance tester shell, the protection shell subassembly is located the outside of little resistance tester shell, the middle part of little resistance tester shell upside is fixed with electromagnetic shield probe, electromagnetic shield and anti-interference box, the anti-interference box runs through in the middle part of the last lateral wall of protection shell subassembly, the electromagnetic shield is located the left side of electromagnetic shield probe, electromagnetic shield and electromagnetic shield probe are located the inside of anti-interference box; the protection shell component comprises one stainless steel shell body, two shielding plates, beryllium copper elastic sheets and shielding grids, and the shielding grids are fixedly installed on the left side and the right side of the micro-resistance tester shell. The micro-resistance tester for the circuit board integrally achieves the purpose of protecting strong electromagnetism, and has good practicability.
Description
Technical Field
The utility model relates to a little resistance tester technical field specifically is a little resistance tester of circuit board.
Background
The micro-resistance tester is an instrument for testing micro-resistance, and is generally used in the industries of electric power systems and electric appliances, such as: coil resistance of motor and transformer, contact resistance of connecting terminal of switch or oil switch, and contact resistance of cable socket.
Traditional little resistance tester can't protect the forceful electric magnetism, when using little resistance tester to test, has the condition of forceful electric magnetism interference when experimental scene, if the generating line is electrified, and at this moment, electrified generating line passes through the medium that the air regarded as the condenser, produces the interference to little resistance tester to can influence the accuracy that little resistance tester measured value, reduce its practicality, so proposed the little resistance tester of a circuit board and solved above problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a little resistance tester of circuit board possesses advantages such as can protect the forceful electric magnetism, has solved the unable problem of protecting to the forceful electric magnetism.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a little resistance tester of circuit board, includes little resistance tester shell, installation base and protection shell subassembly, the installation base is located the below of little resistance tester shell, protection shell subassembly is located the outside of little resistance tester shell, the middle part fixed mounting of little resistance tester shell upside has electromagnetic shield probe, electromagnetic shield ware and anti-interference box, anti-interference box runs through in the last lateral wall middle part of protection shell subassembly, the electromagnetic shield ware is located the left side of electromagnetic shield probe, electromagnetic shield ware and electromagnetic shield probe are located the inside of anti-interference box.
The protective housing component comprises one stainless steel housing, two shielding plates, two beryllium copper spring plates and a shielding grid mesh, the shielding grid mesh is fixedly installed on the left side and the right side of the micro-resistance tester housing, the shielding plates are fixedly installed on the upper side and the lower side of the micro-resistance tester housing, one side, away from the central shaft of the micro-resistance tester housing, of each shielding plate on the upper side and the lower side is fixed with the beryllium copper spring plate, and one side, away from the central shaft of the micro-resistance tester housing, of each shielding grid mesh and one side, away from the central shaft of the micro-resistance tester housing, of the beryllium copper spring plate are fixed with the inner side wall of the stainless steel housing.
Further, the bottom of the micro-resistance tester shell is fixedly provided with a damper, and a buffer spring is sleeved outside the damper.
Further, the bottom fixed mounting of attenuator has the installation base, the equal fixed mounting in both ends has the backup pad about installation base top.
Further, the left and right sides the spout has all been seted up to the relative one side of backup pad, the equal fixed mounting in left and right sides of stainless steel casing has the slider, be sliding connection between slider and the spout.
Furthermore, the left side and the right side one side that the installation base center pin was kept away from to the backup pad articulates there is the handle, the handle is located the top of little resistance tester shell.
Furthermore, the positive left side fixed mounting of micro resistance tester shell has the display screen, the outside laminating of display screen has anti-electromagnetic interference membrane.
Further, the front of little resistance tester shell just is located the below of display screen and installs control button, the front of little resistance tester shell just is located the right side fixed mounting of display screen and has pilot lamp and knob piece, the pilot lamp is located the top of knob piece.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. this little resistance tester of circuit board through electromagnetic shield probe, electromagnetic shield ware, anti-interference box and protection shell subassembly, can protect the forceful electromagnetism, prevents to produce the interference to little resistance tester to influence the accuracy of little resistance tester measured value.
2. This little resistance tester of circuit board, when this little resistance tester of handle drive removes, will produce certain when rocking, through attenuator, buffer spring, spout and the slider that sets up to the reduction rocks, thereby avoids because rock and lead to little resistance tester shell inside electronic component to appear damaging.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is an enlarged view of a in fig. 1 of the present invention.
In the figure: the device comprises an anti-electromagnetic interference film 1, a stainless steel shell 2, a display screen 3, a shielding grid 4, a supporting plate 5, a control button 6, a mounting base 7, a damper 8, a buffer spring 9, a micro-resistance tester shell 10, a sliding chute 11, a sliding block 12, a rotating button block 13, a shielding plate 14, a beryllium copper elastic sheet 15, an indicator light 16, a handle 17, an electromagnetic shielding probe 18, an electromagnetic shielding device 19 and an anti-interference box 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, a micro-resistance tester for a circuit board in this embodiment includes a micro-resistance tester casing 10, a mounting base 7 and a protection casing assembly, the mounting base 7 is located below the micro-resistance tester casing 10, the protection casing assembly is located outside the micro-resistance tester casing 10, an electromagnetic shielding probe 18, an electromagnetic shielding device 19 and an anti-interference box 20 are fixedly mounted in the middle of the upper side of the micro-resistance tester casing 10, the anti-interference box 20 penetrates through the middle of the upper side wall of the protection casing assembly, the electromagnetic shielding device 19 is located on the left side of the electromagnetic shielding probe 18, the electromagnetic shielding device 19 and the electromagnetic shielding probe 18 are located inside the anti-interference box 20, in addition, a handle 17 is hinged to one side of the left and right side supporting plates 5 far away from the central axis of the mounting base 7, the handle 17 is located above the micro-resistance tester casing 10, secondly, a display screen 3 is fixedly mounted on the left side of the front of the micro-resistance tester casing 10, an anti-electromagnetic interference film 1 is attached to the outside of the display screen 3, finally, a control button 6 is mounted on the front of the micro-resistance tester casing 10 and located above the display button 3, and a rotary lamp 16 are mounted above a rotary indicator block 16.
What need supplement is, this little resistance tester of circuit board, can test the circuit board, and the data of test can show through display screen 3, can adjust this little resistance tester through control button 6 and knob piece 13, also can be convenient for drive little resistance tester through handle 17 and remove, when handle 17 drives this little resistance tester and removes, attenuator 8 can contract with buffer spring 9, thereby slide on spout 11 the slider 12 that drives little resistance tester shell 10 left and right sides.
The protection shell component comprises a stainless steel shell 2 and two shielding plates 14, beryllium copper spring plates 15 and shielding grids 4, the shielding grids 4 are fixedly installed on the left side and the right side of a micro-resistance tester shell 10, the shielding plates 14 are fixedly installed on the upper side and the lower side of the micro-resistance tester shell 10, one sides, far away from the central shaft of the micro-resistance tester shell 10, of the shielding plates 14 on the upper side and the lower side are fixed with the beryllium copper spring plates 15, one sides, far away from the central shaft of the micro-resistance tester shell 10, of the shielding grids 4 and the beryllium copper spring plates 15 are fixed with the inner side wall of the stainless steel shell 2, in addition, a damper 8 is fixedly installed at the bottom of the micro-resistance tester shell 10, a buffer spring 9 is sleeved outside the damper 8, secondly, a mounting base 7 is fixedly installed at the bottom of the damper 8, supporting plates 5 are fixedly installed at the left end and the right end of the top of the mounting base 7, finally, sliding grooves 11 are formed in the opposite sides of the supporting plates 5 on the left side and the right side, sliding blocks 12 are fixedly installed on the left side and the stainless steel shell 2, and the sliding connection between the sliding blocks 12 and the sliding grooves 11.
It is to be added that the micro-resistance tester can be prevented from being interfered by the anti-electromagnetic interference film 1, the electromagnetic shield 19 in the anti-interference box 20 shields the strong electromagnetic interference outside the micro-resistance tester, and the electromagnetic shield probe 18 weakens the electromagnetic interference in the micro-resistance tester.
The working principle of the above embodiment is as follows:
the micro-resistance tester for the circuit board can test the circuit board, test data can be displayed through the display screen 3, the micro-resistance tester can be adjusted through the control button 6 and the rotary button block 13, and the micro-resistance tester can be conveniently driven to move through the handle 17; when the micro-resistance tester needs to be protected from strong electromagnetism when in use, the electromagnetic shielding device 19 in the anti-interference box 20 shields the interference of the strong electromagnetism outside the micro-resistance tester, the electromagnetic shielding probe 18 weakens the electromagnetism in the micro-resistance tester, the shielding grid 4, the shielding plate 14 and the beryllium copper spring plate 15 can also be protected, and the micro-resistance tester shell 10 also has certain electromagnetic shielding capability; and when handle 17 drove this little resistance tester and remove, attenuator 8 and buffer spring 9 can contract to the slider 12 that drives little resistance tester shell 10 left and right sides slides on spout 11, has wholly realized the purpose that can protect the forceful electric magnetism, has fine practicality.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a little resistance tester of circuit board, includes little resistance tester shell (10), installation base (7) and protection shell subassembly, its characterized in that: the mounting base (7) is located below a micro-resistance tester shell (10), the protection shell component is located outside the micro-resistance tester shell (10), an electromagnetic shielding probe (18), an electromagnetic shielding device (19) and an anti-interference box (20) are fixedly mounted in the middle of the upper side of the micro-resistance tester shell (10), the anti-interference box (20) penetrates through the middle of the upper side wall of the protection shell component, the electromagnetic shielding device (19) is located on the left side of the electromagnetic shielding probe (18), and the electromagnetic shielding device (19) and the electromagnetic shielding probe (18) are located inside the anti-interference box (20);
the protection housing component comprises one stainless steel housing (2), two shielding plates (14), two beryllium copper elastic sheets (15) and two shielding grids (4), the shielding grids (4) are fixedly arranged on the left side and the right side of the micro-resistance tester housing (10), the shielding plates (14) are fixedly arranged on the upper side and the lower side of the micro-resistance tester housing (10), one sides, far away from a central shaft of the micro-resistance tester housing (10), of the shielding plates (14) on the upper side and the lower side are fixed with the beryllium copper elastic sheets (15), and one sides, far away from the central shaft of the micro-resistance tester housing (10), of the shielding grids (4) and the beryllium copper elastic sheets (15) are fixed with the inner side wall of the stainless steel housing (2).
2. The micro-resistance tester for circuit board of claim 1, wherein: the micro-resistance tester is characterized in that a damper (8) is fixedly mounted at the bottom of a micro-resistance tester shell (10), and a buffer spring (9) is sleeved outside the damper (8).
3. The micro-resistance tester for circuit board of claim 2, wherein: the bottom fixed mounting of attenuator (8) has installation base (7), the equal fixed mounting in both ends has backup pad (5) about installation base (7) top.
4. The micro-resistance tester for circuit board of claim 3, wherein: the left and right sides spout (11) have all been seted up to backup pad (5) relative one side, the equal fixed mounting in the left and right sides of stainless steel casing (2) has slider (12), be sliding connection between slider (12) and spout (11).
5. The micro-resistance tester for circuit boards of claim 3, wherein: the left and right sides one side that installation base (7) center pin was kept away from in backup pad (5) articulates there is handle (17), handle (17) are located the top of micro-resistance tester shell (10).
6. The micro-resistance tester for circuit board of claim 1, wherein: the front left side fixed mounting of micro resistance tester shell (10) has display screen (3), the outside laminating of display screen (3) has anti-electromagnetic interference membrane (1).
7. The micro-resistance tester for circuit board of claim 6, wherein: the front of micro resistance tester shell (10) just is located the below of display screen (3) and installs control button (6), the front of micro resistance tester shell (10) just is located the right side fixed mounting of display screen (3) has pilot lamp (16) and rotatory button piece (13), pilot lamp (16) are located the top of rotatory button piece (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222749946.0U CN218782340U (en) | 2022-10-19 | 2022-10-19 | Micro-resistance tester for circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222749946.0U CN218782340U (en) | 2022-10-19 | 2022-10-19 | Micro-resistance tester for circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218782340U true CN218782340U (en) | 2023-03-31 |
Family
ID=85710366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222749946.0U Active CN218782340U (en) | 2022-10-19 | 2022-10-19 | Micro-resistance tester for circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218782340U (en) |
-
2022
- 2022-10-19 CN CN202222749946.0U patent/CN218782340U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240510 Address after: Room 201, No. 43, Lane 99, Wanding Road, Minhang District, Shanghai, 2011 Patentee after: Zhang Minghui Country or region after: China Patentee after: Wang Zhanyou Address before: Room 207, no.668, shenzhuan Road, Xinqiao Town, Songjiang District, Shanghai, 201600 Patentee before: Shanghai panzhuo Automation Technology Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240604 Address after: 201600 1st floor, building 14, No.85, Mingnan Road, Zhongshan street, Songjiang District, Shanghai Patentee after: Shanghai Angji Instrument Technology Co.,Ltd. Country or region after: China Address before: Room 201, No. 43, Lane 99, Wanding Road, Minhang District, Shanghai, 2011 Patentee before: Zhang Minghui Country or region before: China Patentee before: Wang Zhanyou |
|
| TR01 | Transfer of patent right |