CN212540464U - Transformer direct current resistance tester - Google Patents
Transformer direct current resistance tester Download PDFInfo
- Publication number
- CN212540464U CN212540464U CN202021119519.9U CN202021119519U CN212540464U CN 212540464 U CN212540464 U CN 212540464U CN 202021119519 U CN202021119519 U CN 202021119519U CN 212540464 U CN212540464 U CN 212540464U
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- Prior art keywords
- direct current
- current resistance
- resistance tester
- sleeve
- transformer direct
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- Expired - Fee Related
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- 238000009434 installation Methods 0.000 claims abstract description 26
- 239000000428 dust Substances 0.000 claims abstract description 12
- 238000001125 extrusion Methods 0.000 claims description 14
- 238000013016 damping Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 230000035939 shock Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 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
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses a transformer direct current resistance tester, including detector body, arm-tie, support sleeve, first spout and installation box, first dead slot has all been seted up to the both sides of detector body, and the inside of first dead slot articulates there is fixed luffer board, the arm-tie is installed to the outer wall of fixed luffer board, the installation box is all installed through the bottom plate in the top and the bottom of first dead slot, and the inside of installing the box is provided with the wind spring, the outside of detector body is provided with the shell, and the inside of shell has seted up the buffer layer, the equidistant installation sleeve of installing in the inside of buffer layer, and the second dead slot has been seted up to the inside of installation sleeve. This kind of transformer direct current resistance tester is through removing the arm-tie for fixed luffer boards drive the interior second elasticity dust screen of installing box and move to the outside, be convenient for to the inside heat dissipation of detector body, avoid the part overheated, and influence life.
Description
Technical Field
The utility model relates to a resistance tester technical field specifically is a transformer direct current resistance tester.
Background
The resistance tester is optimally designed for measuring the direct-current resistance of the three-phase winding of the large-capacity transformer, has stable and quick test data, is the best choice for measuring the direct-current resistance of the transformer on site, can basically meet the use requirements of people, but still has certain problems, and has the following specific problems:
1. when most of direct current resistance testers of transformers on the current market are used for testing, the direct current resistance testers generate a large amount of heat during operation, the heat dissipation effect is poor, and parts are easy to overheat after long-time use, so that the service life of the parts is influenced;
2. most transformer direct current resistance tester can't carry out the shock attenuation to device inside when transportation and use in the existing market, drops when the device accident takes place, when colliding with ground, causes the damage to the inside part of device easily to cause economic loss.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transformer direct current resistance tester to the radiating effect who proposes in solving above-mentioned background art is poor, influences the life of part and can't carry out absorbing problem to inside.
In order to achieve the above object, the utility model provides a following technical scheme: a transformer direct current resistance tester comprises a detector body, pull plates, a supporting sleeve, a first sliding groove and an installation box body, wherein first dead slots are formed in two sides of the detector body, fixed window plates are hinged inside the first dead slots, the pull plates are installed on the outer walls of the fixed window plates, the installation box body is installed at the top end and the bottom end of each first dead slot through a bottom plate, a coil spring is arranged inside the installation box body, a shell is arranged on the outer side of the detector body, a damping layer is arranged inside the shell, the installation sleeve is installed inside the damping layer at equal intervals, a second dead slot is formed inside the installation sleeve, an extrusion block penetrating through the second dead slot is installed on one side, away from the installation sleeve, of the shell, supporting rods are hinged to the top end and the bottom end of the extrusion block, a moving block is hinged to one side of each supporting rod, and arc-shaped rubber plates are installed inside the, and a supporting sleeve is installed on one side of the arc-shaped rubber plate, and first sliding grooves are arranged on two sides of the supporting sleeve.
Preferably, the rollers are arranged at two ends of the first empty groove, and the outer wall of each roller is provided with a first elastic dustproof net connected with the fixed window plate.
Preferably, a second elastic dustproof net penetrating through the installation box body is installed on the outer side of the coil spring, and one side, far away from the first elastic dustproof net, of the second elastic dustproof net is connected with the fixed window plate.
Preferably, the outside cover of extrusion piece is equipped with first spring, the inside of installation sleeve all is provided with C type elastic plate, and one side of C type elastic plate is connected with the extrusion piece.
Preferably, a second sliding groove is formed in one side, close to the moving block, of the shell, the inner portion of the second sliding groove is matched with the bottom end of the moving block, and third springs are mounted at the top end and the bottom end of the moving block.
Preferably, a second spring is arranged in the supporting sleeve, a sliding block is installed on one side, close to the moving block, of the second spring, a fixing sleeve is installed on the outer side of the supporting sleeve, and an air bag is arranged in the fixing sleeve.
Compared with the prior art, the beneficial effects of the utility model are that: the transformer direct current resistance tester;
1. by installing the fixed window plate, the coil spring and the installation box body, an operator holds the pull plate by a hand and moves the pull plate to one side, so that the fixed window plate is overturned in the first empty groove to drive the second elastic dustproof net in the installation box body to move outwards, the coil spring is contracted, and when the operator loosens the pull plate, the fixed window plate is driven to restore under the action of the coil spring, and the structure is convenient for the operator to radiate the inside of the detector body, so that the phenomenon that parts are overheated and the service life is influenced is avoided;
2. meanwhile, the device is provided with the shell, the supporting sleeve and the fixing sleeve, when the shell at the corner is impacted, the arc-shaped rubber plate drives the supporting sleeve to extrude into the fixing sleeve, so that the sliding block extrudes the air bag, the second spring contracts and drives the supporting sleeve and the arc-shaped rubber plate to restore to the original state under the action of the second spring and the self elasticity of the air bag, and the structure is convenient for damping the inside of the detector body and ensures the safety of parts in the detector body;
3. meanwhile, the device is provided with the fixed window plate, the first elastic dustproof net and the second elastic dustproof net, when the fixed window plate moves towards the outside, the second elastic dustproof net and the first elastic dustproof net move towards one side, and the phenomenon that external dust enters the inside and parts cannot be caused is avoided.
Drawings
FIG. 1 is a front view of the cross-sectional structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic sectional view of an enlarged structure of the part A in FIG. 1 according to the present invention;
fig. 4 is an enlarged schematic view of a portion B in fig. 1 according to the present invention.
In the figure: 1. a detector body; 2. a fixed window panel; 3. pulling a plate; 4. a first empty slot; 5. a roller; 6. a coil spring; 7. a shock-absorbing layer; 8. a first spring; 9. extruding the block; 10. installing a sleeve; 11. a housing; 12. a second empty slot; 13. a support bar; 14. a moving block; 15. a C-shaped elastic plate; 16. an arc-shaped rubber plate; 17. a support sleeve; 18. a first chute; 19. a second spring; 20. fixing the sleeve; 21. a slider; 22. an air bag; 23. a first elastic dust screen; 24. a second elastic dust screen; 25. installing a box body; 26. a second chute; 27. and a third spring.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a transformer direct current resistance tester comprises a tester body 1, a pulling plate 3, a supporting sleeve 17, a first sliding groove 18 and a mounting box body 25, wherein two sides of the tester body 1 are provided with first empty grooves 4;
the two ends of the first empty groove 4 are both provided with the rollers 5, the outer wall of each roller 5 is provided with the first elastic dustproof net 23 connected with the fixed window plate 2, and an operator holds and pulls the pull plate 3 with hands to drive the fixed window plate 2 to overturn so as to drive the first elastic dustproof net 23 in the roller 5 to move to one side, so that the structure increases the heat dissipation performance and prevents external dust from entering the detector body 1;
a fixed window plate 2 is hinged in the first hollow groove 4, a pulling plate 3 is mounted on the outer wall of the fixed window plate 2, an installation box body 25 is mounted at the top end and the bottom end of the first hollow groove 4 through a bottom plate, and a coil spring 6 is arranged in the installation box body 25;
a second elastic dustproof net 24 penetrating through the installation box body 25 is installed on the outer side of the coil spring 6, one side, far away from the first elastic dustproof net 23, of the second elastic dustproof net 24 is connected with the fixed window plate 2, the second elastic dustproof net 24 in the installation box body 25 is driven to move outwards through the overturning of the fixed window plate 2, the coil spring 6 is contracted, and when an operator loosens the pull plate 3, the fixed window plate 2 is driven to be in an original dust state under the action of the coil spring 6;
a shell 11 is arranged on the outer side of the detector body 1;
a second sliding groove 26 is formed in one side, close to the moving block 14, of the housing 11, the inner portion of the second sliding groove 26 is matched with the bottom end of the moving block 14, third springs 27 are mounted at the top end and the bottom end of the moving block 14, and meanwhile, the supporting rod 13 is driven to turn over, so that the moving block 14 is driven to move in the second sliding groove 26 and to be extruded by the third springs 27, the detector body 1 is convenient to absorb shock, and internal parts are prevented from being damaged;
a damping layer 7 is arranged inside the shell 11, mounting sleeves 10 are arranged inside the damping layer 7 at equal intervals, a second empty groove 12 is arranged inside the mounting sleeves 10, and an extrusion block 9 penetrating through the second empty groove 12 is arranged on one side, far away from the mounting sleeves 10, of the shell 11;
the first spring 8 is sleeved on the outer side of the extrusion block 9, the C-shaped elastic plates 15 are arranged inside the mounting sleeve 10, one side of each C-shaped elastic plate 15 is connected with the extrusion block 9, the outer shell 11 is impacted through the outer side, the extrusion block 9 is extruded into the mounting sleeve 10, the first spring 8 and the C-shaped elastic plates 15 are contracted, and the first spring 8 and the C-shaped elastic plates 15 can restore under the action of self elasticity, so that damage to parts inside the detector body 1 is reduced;
the top end and the bottom end of the extrusion block 9 are hinged with supporting rods 13, one side of each supporting rod 13 is hinged with a moving block 14, arc-shaped rubber plates 16 are arranged inside the shock absorption layer 7, and supporting sleeves 17 are arranged on one sides of the arc-shaped rubber plates 16;
a second spring 19 is arranged in the supporting sleeve 17, a sliding block 21 is arranged on one side, close to the moving block 14, of the second spring 19, a fixing sleeve 20 is arranged on the outer side of the supporting sleeve 17, an air bag 22 is arranged in the fixing sleeve 20, when the supporting sleeve is impacted at the corner of the shell 11, the arc-shaped rubber plate 16 drives the supporting sleeve 17 to extrude into the fixing sleeve 20, the sliding block 21 extrudes the air bag 22, the second spring 19 contracts, the supporting sleeve 17 and the arc-shaped rubber plate 16 are driven to restore to the original state under the elastic force action of the second spring 19 and the air bag 22, and the structure is convenient for damping at the corner and ensures the safety of parts in the detector body 1;
both sides of the support sleeve 17 are provided with first runners 18.
The working principle is as follows: when the transformer direct-current resistance tester is used, an external power supply is firstly switched on, then the external power supply is clamped to two ends of a transformer winding to be tested through a testing clamp, and a contact point is rubbed forcibly to ensure good contact, an upper button and a lower button are pressed according to requirements to adjust the magnitude of a measuring current, when the tester body 1 detects resistance, an operator pulls the pull plate 3 to drive the fixed window plate 2 to turn over, so that the fixed window plate 2 drives the second elastic dust screen 24 and the first elastic dust screen 23 to move towards one side, the coil spring 6 is contracted in the mounting box 25, the structure is convenient for radiating the inside of the tester body 1, the second elastic dust screen 24 and the first elastic dust screen 23 can prevent external dust from entering the tester body 1 to damage parts in the tester body 1, when the outer side of the shell 11 is impacted, the extrusion block 9 drives the mounting sleeve 10 to extrude the C-shaped elastic plate 15, thereby C type elastic plate 15 and first spring 8 take place the crimple, it takes place the upset to drive bracing piece 13 simultaneously, thereby drive movable block 14 and remove in second spout 26 and extrude third spring 27, and then third spring 27 drives movable block 14 reconversion under self elastic action, this structure has improved the security, ensure the security of 1 internals of detector body, through when striking to shell 11 corner, make arc rubber slab 16 drive supporting sleeve 17 and extrude in to fixed sleeve 20, thereby slider 21 extrudees gasbag 22, make second spring 19 take place the crimple, drive supporting sleeve 17 and arc rubber slab 16 reconversion under second spring 19 and gasbag 22 self elastic action, this structure is convenient for carry out the shock attenuation to the corner, it does above the utility model discloses a whole principles.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a transformer direct current resistance tester, includes detector body (1), arm-tie (3), support sleeve (17), first spout (18) and installation box (25), its characterized in that: the detector comprises a detector body (1), wherein first empty grooves (4) are formed in two sides of the detector body (1), fixed window boards (2) are hinged inside the first empty grooves (4), pull plates (3) are installed on the outer walls of the fixed window boards (2), an installation box body (25) is installed at the top end and the bottom end of each first empty groove (4) through a bottom plate, coil springs (6) are arranged inside the installation box body (25), a shell (11) is arranged on the outer side of the detector body (1), a damping layer (7) is arranged inside the shell (11), installation sleeves (10) are installed inside the damping layer (7) at equal intervals, second empty grooves (12) are formed inside the installation sleeves (10), one side, far away from the installation sleeves (10), of the shell (11) is provided with extrusion blocks (9) penetrating through the second empty grooves (12), and supporting rods (13) are hinged to the top ends and the bottom ends of the extrusion blocks (9), one side of the supporting rod (13) is hinged with a moving block (14), an arc-shaped rubber plate (16) is mounted inside the damping layer (7), a supporting sleeve (17) is mounted on one side of the arc-shaped rubber plate (16), and first sliding grooves (18) are formed in two sides of the supporting sleeve (17).
2. The transformer direct current resistance tester of claim 1, wherein: roller (5) are all installed at the both ends of first dead slot (4), and roller (5) outer wall installs first elasticity dust screen (23) that are connected with fixed luffer board (2).
3. The transformer direct current resistance tester of claim 1, wherein: and a second elastic dustproof net (24) penetrating through the installation box body (25) is installed on the outer side of the coil spring (6), and one side, far away from the first elastic dustproof net (23), of the second elastic dustproof net (24) is connected with the fixed window plate (2).
4. The transformer direct current resistance tester of claim 1, wherein: the outer side cover of extrusion piece (9) is equipped with first spring (8), the inside of installation sleeve (10) all is provided with C type elastic plate (15), and one side of C type elastic plate (15) is connected with extrusion piece (9).
5. The transformer direct current resistance tester of claim 1, wherein: a second sliding groove (26) is formed in one side, close to the moving block (14), of the shell (11), the inner portion of the second sliding groove (26) is matched with the bottom end of the moving block (14), and third springs (27) are mounted at the top end and the bottom end of the moving block (14).
6. The transformer direct current resistance tester of claim 1, wherein: the inner part of the supporting sleeve (17) is provided with a second spring (19), one side, close to the moving block (14), of the second spring (19) is provided with a sliding block (21), the outer side of the supporting sleeve (17) is provided with a fixing sleeve (20), and the inner part of the fixing sleeve (20) is provided with an air bag (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021119519.9U CN212540464U (en) | 2020-06-16 | 2020-06-16 | Transformer direct current resistance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021119519.9U CN212540464U (en) | 2020-06-16 | 2020-06-16 | Transformer direct current resistance tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212540464U true CN212540464U (en) | 2021-02-12 |
Family
ID=74547585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021119519.9U Expired - Fee Related CN212540464U (en) | 2020-06-16 | 2020-06-16 | Transformer direct current resistance tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212540464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116840521A (en) * | 2023-07-12 | 2023-10-03 | 保定源创电力科技有限公司 | Resistance integrated testing device capable of being compatible with multiple types |
-
2020
- 2020-06-16 CN CN202021119519.9U patent/CN212540464U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116840521A (en) * | 2023-07-12 | 2023-10-03 | 保定源创电力科技有限公司 | Resistance integrated testing device capable of being compatible with multiple types |
| CN116840521B (en) * | 2023-07-12 | 2023-12-05 | 保定源创电力科技有限公司 | Resistance integrated testing device capable of being compatible with multiple types |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 Termination date: 20210616 |