CN212540533U - Loop resistance tester with high stability - Google Patents
Loop resistance tester with high stability Download PDFInfo
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- CN212540533U CN212540533U CN202020670446.6U CN202020670446U CN212540533U CN 212540533 U CN212540533 U CN 212540533U CN 202020670446 U CN202020670446 U CN 202020670446U CN 212540533 U CN212540533 U CN 212540533U
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- 238000012360 testing method Methods 0.000 claims abstract description 14
- 238000013016 damping Methods 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 239000000428 dust Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a loop resistance tester with high stability, which comprises an outer box, wherein a tester body is arranged inside the outer box, the inner wall of the outer box is connected with the tester body through a damping spring, a mounting plate is arranged on the upper part of the outer box, a baffle is fixedly arranged on the upper surface of the mounting plate, a cover plate is rotatably arranged at the rear end of the baffle, a movable block is rotatably arranged at the front end of the cover plate, telescopic rods are respectively inserted on the left side surface and the right side surface of the movable block, the telescopic rods comprise bolts inserted inside the movable block, one end of the bolt far away from the movable block is fixedly connected with a limiting block, the outer side surface of the limiting block is slidably connected with a sleeve, the limiting block is connected with the inner wall of the sleeve through a compression spring, the sleeve is fixedly arranged on the front side surface of the baffle, the utility model, the tester has the dustproof and waterproof functions, and the test stability is improved.
Description
Technical Field
The utility model relates to a tester field especially relates to a return circuit resistance tester with high stability.
Background
The loop resistance tester is also called a contact resistance tester, and the English name is: a Loop Resistance Tester for testing the Resistance of a conductive Loop of various switch devices according to the requirements of a preventive test rule DL/T596-1996 of power equipment, wherein the test current is not less than 100A, the contact Resistance is increased due to the oxidation of a contact surface, poor contact fastening and the like, when a large current flows, the temperature of a contact point is increased, the oxidation of the contact surface is accelerated, the contact Resistance is further increased, serious accidents are continuously generated, therefore, the contact Resistance is required to be measured frequently or regularly, the Loop Resistance Tester is a special instrument for measuring the contact Resistance and the Loop Resistance of a switch control device, the test current adopts 100A direct current recommended by the national standard GB763, the Loop Resistance or the contact Resistance can be directly measured under the conditions of 100A, 200A, 300A, 400A, 500A or 600A current and can be directly displayed and also be stored on the instrument, the maximum group number is 100, the stored data can be communicated with an upper computer through an RS232 interface and uploaded to a computer for storage or printing, and the instrument is accurate in measurement and stable in performance and meets the requirements of on-site high-voltage switch maintenance and high-voltage switch factory loop resistance testing of power and power supply departments.
Along with the continuous progress of science and technology, people begin to adopt the direct current resistance tester, for example many loop resistance testers are directly placed when not using now, do not shelter from the tester, and the dust falls and can influence its stability and can influence its precision in entering loop resistance tester to can influence the direct current resistance tester performance, and the inconvenient removal of tester, have certain defect.
Therefore, a loop resistance tester with high stability is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a return circuit resistance tester with high stability, aim at are equipped with the apron, can cover it when the tester does not use, prevent that the dust from getting into the tester, improve the stability of tester, and be equipped with and remove the wheel, and the shortcoming that traditional tester is dustproof, inconvenient removal has not been solved to the removal of the tester of being convenient for.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a loop resistance tester with high stability comprises an outer box, wherein a tester body is arranged inside the outer box, a box cover is rotatably arranged at the rear end of the outer box, the inner wall of the outer box is connected with the tester body through a damping spring, a mounting plate is fixedly arranged on the upper portion of the outer box and positioned on the outer surface of the tester body, a baffle is fixedly arranged on the upper surface of the mounting plate and positioned on the outer side of the tester body, a cover plate is rotatably arranged at the rear end of the baffle through a rotating shaft, a movable block is rotatably arranged at the front end of the cover plate, telescopic rods are respectively inserted into the left side surface and the right side surface of the movable block, each telescopic rod comprises a bolt inserted into the movable block, one end of the bolt, far away from the movable block, is fixedly connected with a limiting block, the outer side surface of the limiting block is slidably connected, the sleeve is fixedly arranged on the front side surface of the baffle.
Preferably, in the loop resistance tester with high stability, a radiator is arranged on one side surface of the outer box, and a dust filter screen is arranged at one end, far away from the tester body, of the radiator.
Based on above-mentioned technical characteristic, set up the radiator, make the tester body dispel the heat, improve tester body life, set up the dust screen, avoid the dust to get into inside the outer container by the radiator.
Preferably, in the loop resistance tester with high stability, an object placing bag is arranged on the inner wall of the top of the case cover, and a fixing lock is arranged on the front side surface of the case cover.
Based on the technical characteristics, the storage bag is arranged, so that the power line and the test line can be conveniently placed, and the fixing lock is arranged, so that the box cover can be conveniently fixed.
Preferably, in the loop resistance tester with high stability, a handle is fixedly mounted on the surface of one side, away from the heat sink, of the outer box, and moving wheels are arranged at four corners of the bottom surface of the outer box.
Based on the technical characteristics, the handle and the moving wheel are arranged, so that the outer box and the tester body can be moved conveniently.
Preferably, in the above-mentioned loop resistance tester with high stability, the tester body, outer container and mounting panel junction all pass through sealing strip sealing connection, the fixed sealing strip that is equipped with of baffle upper surface.
Based on above-mentioned technical characteristics, it all passes through sealing strip sealing connection to set up tester body, outer container and mounting panel junction, and baffle fixed surface is equipped with the sealing strip, makes the inside realization of outer container sealed, avoids inside the dust gets into the outer container.
Preferably, in the loop resistance tester with high stability, the shifting rods are fixedly mounted on the bottom surfaces of the middle portions of the pins.
Based on the technical characteristics, the shifting rod is arranged, so that the bolt can be conveniently shifted, the movable block is tightly pressed, and the cover plate can be conveniently moved and fixed.
The utility model has the advantages that:
the utility model has the advantages of reasonable design, set up the case lid, protect the tester body, it passes through damping spring and this body coupling of tester to set up the outer container inner wall, can make the tester body have the shock-absorbing capacity, it is impaired to avoid vibrations to make the tester internal element, outer container side surface is equipped with the radiator, make the tester body dispel the heat, improve the life of tester, set up the handle and remove the wheel, the aversion of moving of the tester body of being convenient for, the mounting panel upper surface is located the tester body outside and is equipped with baffle and apron cooperation, realize the dustproof and waterproof function, the stability of tester is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the mounting of the tester body of the present invention;
fig. 3 is a top view of the overall appearance of the present invention;
FIG. 4 is a side view of the cover plate mounting structure of the present invention;
fig. 5 is a front view of the cover plate mounting structure of the present invention;
fig. 6 is a schematic view of the telescopic rod structure of the present invention;
fig. 7 is a schematic view of the heat sink structure of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. an outer box; 2. a box cover; 3. a tester body; 4. a damping spring; 5. mounting a plate; 6. a heat sink; 7. fixing a lock; 8. a moving wheel; 9. a handle; 10. a storage bag; 11. a baffle plate; 12. a cover plate; 13. a movable block; 14. a telescopic rod; 15. a sleeve; 16. a compression spring; 17. a limiting block; 18. a deflector rod; 19. a bolt; 20. and (4) a dust filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-7, in this embodiment, a loop resistance tester with high stability comprises an outer case 1, a tester body 3 is disposed inside the outer case 1, a case cover 2 is rotatably mounted at the rear end of the outer case 1, the case cover 2 is disposed to protect the tester body 3 and has certain dustproof and waterproof functions, a storage bag 10 is disposed on the inner wall of the top of the case cover 2, the storage bag 10 is disposed to facilitate the placement of a power cord and a test cord, a fixing lock 7 is disposed on the front side surface of the case cover 2 and is provided with a fixing lock 7 to facilitate the fixing of the case cover 2, the inner wall of the outer case 1 is connected to the tester body 3 through a damping spring 4 to enable the tester body 3 to have certain damping capacity and prevent the tester body 3 from being damaged by vibration during use, a radiator 6 is disposed on one side surface of the outer, the heat radiator 6 is arranged to radiate the heat of the tester body 3, the service life of the tester body 3 is prolonged, one end of the heat radiator 6, which is far away from the tester body 3, is provided with a dust filtering net 20, the dust filtering net 20 is arranged to prevent dust from entering the inner part of the outer box 1 from the heat radiator 6, the surface of one side of the outer box 1, which is far away from the heat radiator 6, is fixedly provided with a handle 9, four corners of the bottom surface of the outer box 1 are respectively provided with a moving wheel 8, the handle 9 and the moving wheel 8 are arranged to facilitate the moving and the moving of the outer box 1 and the tester body 3, the upper part of the outer box 1, which is positioned on the outer surface of the tester body 3, is fixedly provided with a mounting plate 5, the upper surface of the mounting plate 5, which is positioned on the outer side of the tester body 3, is fixedly provided with a baffle plate 11, the joints of the tester body, the rear end of the baffle 11 is rotatably provided with a cover plate 12 through a rotating shaft, the front end of the cover plate 12 is rotatably provided with a movable block 13, the left side surface and the right side surface of the movable block 13 are respectively inserted with a telescopic rod 14, the telescopic rod 14 comprises a bolt 19 inserted inside the movable block 13, the bolt 19 is arranged to be matched with the movable block 13, so that the cover plate 12 is fixed, the cover plate 12 is convenient to open and close, the bottom surface of the middle part of the bolt 19 is fixedly provided with a shift lever 18, the shift lever 18 is arranged, the bolt 19 is convenient to shift, and the movable block 13 is tightly pressed, so that the cover plate 12 is convenient to move and fix, one end of the bolt 19 far away from the movable block 13 is fixedly connected with a limiting block 17, the outer side surface of the limiting block 17 is slidably connected with a sleeve 15, one end of the limiting block 17 far away from the bolt 19 is, the cover plate 12 is fixed, and the sleeve 15 is fixedly arranged on the front side surface of the baffle plate 11.
When the utility model is used, the fixing lock 7 is opened, the box cover 2 is opened, the shift lever 18 is shifted to two sides, the cover plate 12 is opened upwards, the power line and the test line of the tester body 3 are inserted, the test line clamp clamps the element to be tested, the switch of the tester body 3 is opened for testing, after the testing is finished, the switch of the tester body 3 is closed, the power line and the test line are pulled out and are arranged in the object placing bag 10, the shift lever 18 is shifted to two sides, the shift lever 18 is released when the movable block 13 moves to a proper position, the shift lever 18 is pushed out under the action of the compression spring 16, one end of the shift lever 18, which is far away from the sleeve 15, is inserted in the movable block 13, through the matching of the deflector rod 18 and the movable block 13, the cover plate 12 is fixed, dust is prevented from entering the inner part of the outer box 1, the stability of the tester is influenced, the box cover 2 is closed, and the fixed lock 7 is closed; when the tester body 3 needs to be moved, the outer box 1 is placed on the ground, the pull handle 9 is pulled, and the outer box 1 is moved under the action of the moving wheel 8, so that the tester is convenient to carry.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a return circuit resistance tester with high stability which characterized in that: the testing device comprises an outer box (1), a tester body (3) is arranged in the outer box (1), a box cover (2) is installed at the rear end of the outer box (1) in a rotating mode, the inner wall of the outer box (1) is connected with the tester body (3) through a damping spring (4), a mounting plate (5) is fixedly arranged on the outer surface of the tester body (3) on the upper portion of the outer box (1), a baffle (11) is fixedly installed on the outer side of the tester body (3) on the upper surface of the mounting plate (5), a cover plate (12) is installed at the rear end of the baffle (11) in a rotating mode through a rotating shaft, a movable block (13) is installed at the front end of the cover plate (12) in a rotating mode, telescopic rods (14) are respectively inserted into the left side surface and the right side surface of the movable block (13), each telescopic rod (14) comprises a bolt (19) inserted into the movable block (13, stopper (17) outside surface sliding connection has sleeve (15), bolt (19) one end fixedly connected with compression spring (16) are kept away from in stopper (17), stopper (17) are through compression spring (16) and sleeve (15) inner wall connection, sleeve (15) fixed mounting is in baffle (11) front side surface.
2. The loop resistance tester with high stability of claim 1, wherein: the outer container (1) side surface is equipped with radiator (6), radiator (6) are kept away from tester body (3) one end and are equipped with dust screen (20).
3. The loop resistance tester with high stability of claim 1, wherein: the inner wall of the top of the box cover (2) is provided with a storage bag (10), and the front side surface of the box cover (2) is provided with a fixing lock (7).
4. The loop resistance tester with high stability of claim 1, wherein: the outer container (1) is far away from radiator (6) one side fixed surface and is installed handle (9), outer container (1) bottom surface four corners department all is equipped with removal wheel (8).
5. The loop resistance tester with high stability of claim 1, wherein: the tester body (3), outer container (1) and mounting panel (5) junction all are through sealing strip sealing connection, baffle (11) upper surface is fixed and is equipped with the sealing strip.
6. The loop resistance tester with high stability of claim 1, wherein: and deflector rods (18) are fixedly arranged on the bottom surfaces of the middle parts of the bolts (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020670446.6U CN212540533U (en) | 2020-04-28 | 2020-04-28 | Loop resistance tester with high stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020670446.6U CN212540533U (en) | 2020-04-28 | 2020-04-28 | Loop resistance tester with high stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212540533U true CN212540533U (en) | 2021-02-12 |
Family
ID=74520281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020670446.6U Active CN212540533U (en) | 2020-04-28 | 2020-04-28 | Loop resistance tester with high stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212540533U (en) |
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2020
- 2020-04-28 CN CN202020670446.6U patent/CN212540533U/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: 20240207 Address after: No. 44, Group 6, Anningsi Village, Baimiao Town, Yuechi County, Guang'an City, Sichuan Province, 638300 Patentee after: Zhang Zhiming Country or region after: China Address before: 250101 room 505, 3 / F, 389 Tianchen Road, high tech Zone, Jinan City, Shandong Province Patentee before: Shandong RUPU Electronic Technology Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240318 Address after: Room 1922-1927, Building 4, No. 199 Yuancheng Road, Xiasha Street, Qiantang District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Zhejiang Baiguan Power Engineering Technology Co.,Ltd. Country or region after: China Address before: No. 44, Group 6, Anningsi Village, Baimiao Town, Yuechi County, Guang'an City, Sichuan Province, 638300 Patentee before: Zhang Zhiming Country or region before: China |
|
| TR01 | Transfer of patent right |