CN218886026U - Stepped transformer direct-current resistance tester - Google Patents
Stepped transformer direct-current resistance tester Download PDFInfo
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- CN218886026U CN218886026U CN202222884592.0U CN202222884592U CN218886026U CN 218886026 U CN218886026 U CN 218886026U CN 202222884592 U CN202222884592 U CN 202222884592U CN 218886026 U CN218886026 U CN 218886026U
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- resistance tester
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a stepped transformer direct current resistance tester, including resistance tester installation box, the top of the one end of resistance tester installation box back is articulated to have the case lid, one side of the inside of resistance tester installation box top is provided with the resistance tester main part, the opposite side at resistance tester installation box top evenly is provided with the connection electrography; the utility model discloses a design has the installation cavity, be provided with the multiunit center pin in the inside of installation cavity, carry out the rolling to the cable through the center pin, and provide spring bounce through the wind spring, guarantee the intercommunication of circuit through inside conducting ring A and conducting ring B in wiring storehouse simultaneously, thereby make the cable can prolong when using, can accomodate to the inside of installation cavity automatically after finishing using, the mode of having optimized current external cable, the process of staff manual accomodating has also been reduced simultaneously, the phenomenon of having avoided knoing and bending takes place, the practicality of device has been improved.
Description
Technical Field
The utility model relates to a resistance tester technical field specifically is a cascaded transformer direct current resistance tester.
Background
The direct current resistance test of the transformer winding of the stepped transformer direct current resistance tester is an indispensable test project after the transformer is handed over, overhauled and a tap switch is changed. In general, measuring the dc resistance of the transformer winding and the high power inductive device by conventional methods (bridge and voltage drop) is a time-consuming and labor-intensive task. In order to change such a situation, shorten the measurement time and reduce the workload of the tester, a transformer dc resistance tester was developed. The novel power supply technology is adopted, and the novel power supply has the characteristics of rapid measurement, small volume, convenience in use, high measurement precision and the like. The device is an ideal device for measuring the direct current resistance of a transformer winding and a high-power inductive device, and can be used as the direct current resistance value of a grounding wire.
Current resistance tester designs into box formula structure usually to convenient transport and storage provide the protection for resistance tester simultaneously, among the current direct current resistance tester, need external cable and test ladder type transformer to carry out the electricity and be connected usually, for example, current patent publication number: in CN216816793U, there is no connecting cable designed, so that it needs additional equipment for the worker, and for example, in the "ZCZR-10A" type resistance tester produced by the existing "south electric to honest power equipment", its design scheme is to provide a storage groove in the box, although the procedure of carrying the cable by the worker is reduced, when the cable is stored, it is also inconvenient, and the knotting and bending phenomena are easy to occur, so that there is a need for a stepped transformer DC resistance tester which can be self-provided with the cable and can be stored conveniently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cascaded transformer direct current resistance tester to propose the not portable problem enough of current resistance tester connecting cable in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cascaded transformer direct current resistance tester, includes resistance tester installation box, the top of resistance tester installation box back one end articulates there is the case lid, the inside one side in resistance tester installation box top is provided with the resistance tester main part, the opposite side at resistance tester installation box top evenly is provided with the connection electrography, the outside at resistance tester installation box both ends evenly is provided with the strengthening rib, the top of resistance tester installation box one side is provided with the spout, the bottom that resistance tester installation box is close to spout one side is provided with down the spout, it is provided with the baffle jointly to go up between spout and the lower spout, the inside that resistance tester installation box is close to spout one side is provided with the installation cavity, the inside middle part of installation cavity is provided with the baffle, the both ends of baffle both sides all are provided with the wiring storehouse, the both ends that resistance tester installation box inner wall is located the installation cavity inside all are provided with the coil spring storehouse, be provided with the center pin jointly between coil spring storehouse and the wiring storehouse, the both ends in the center pin outside the center pin that the side baffle is close to each other side is provided with the center pin of winding in the center pin, the cable connection storehouse A of the other end is provided with the wiring storehouse A, the center pin that the one end of conducting ring extends to the center pin storehouse.
Preferably, the one end of connecting the electrography is connected with the inside conducting ring A electricity in wiring storehouse respectively through the wire, the other end of cable is provided with the fastener respectively, through being provided with the fastener, conveniently carries out the electricity with cable and cascaded transformer and is connected.
Preferably, the border position department at resistance tester installation box top is provided with waterproof circle, the border position department of case lid bottom is provided with the recess with waterproof circle adaptation each other, through being provided with waterproof circle, improves the waterproof characteristic of device.
Preferably, the top of resistance tester main part is provided with protective cover plate, and protective cover plate's top is provided with prevents the static coating, has improved the protective effect to resistance tester main part top through being provided with protective cover plate to have the function of preventing static.
Preferably, the middle part of baffle one end is provided with the through-hole, and the inside of through-hole is provided with anti-skidding rubber circle, through being provided with through-hole and anti-skidding rubber circle to conveniently stimulate the baffle.
Preferably, one end of the cable close to the inner part of the central shaft is electrically connected with the conductive ring B, and the electrical connection of the cable and the conductive ring B ensures the communication of the circuit.
Compared with the prior art, the beneficial effects of the utility model are that: the direct current resistance tester of the stepped transformer;
1. through the design there is the installation cavity, be provided with the multiunit center pin in the inside of installation cavity, carry out the rolling to the cable through the center pin, and provide spring bounce through the wind spring, guarantee the intercommunication of circuit through the inside conducting ring A in wiring storehouse and conducting ring B simultaneously, thereby make the cable can prolong when using, can accomodate to the inside of installation cavity automatically after finishing using, the mode of current external cable has been optimized, the process of staff manual accomodating has also been reduced simultaneously, the phenomenon of bending of knoing has been avoided taking place, the practicality of device has been improved.
2. Thereby provide the protection and shelter from for the outside of installation cavity through the design has last spout, lower spout and baffle to make the device when not using, hide the inside spare part of installation cavity, thereby improve the aesthetic measure of device.
Drawings
Fig. 1 is a schematic structural perspective view of the present invention;
fig. 2 is a side sectional view of the present invention;
fig. 3 is a side sectional view of the coil spring bin of fig. 2 in accordance with the present invention;
fig. 4 is a schematic sectional view of the structure of the wiring chamber of fig. 2 according to the present invention;
fig. 5 is an enlarged schematic view of a structure in fig. 1 according to the present invention.
In the figure: 1. the resistance tester is arranged in the box body; 2. a resistance tester main body; 3. reinforcing ribs; 4. an upper chute; 5. a mounting cavity; 6. a lower chute; 7. connecting the test pencil; 8. a baffle plate; 9. a box cover; 10. a spring coiling bin; 11. a partition plate; 12. a central shaft; 13. a cable; 14. a side dam; 15. a wiring bin; 16. a coil spring; 17. conducting ring A; 18. and a conductive ring B.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: a step-type transformer direct-current resistance tester comprises a resistance tester mounting box body 1, wherein a box cover 9 is hinged to the top of one end of the back of the resistance tester mounting box body 1, a waterproof ring is arranged at the edge position of the top of the resistance tester mounting box body 1, a groove matched with the waterproof ring is formed in the edge position of the bottom of the box cover 9, the waterproof characteristic of the device is improved by arranging the waterproof ring, a resistance tester main body 2 is arranged on one side of the inside of the top of the resistance tester mounting box body 1, a protective cover plate is arranged at the top of the resistance tester main body 2, an antistatic coating is arranged at the top of the protective cover plate, the protective effect on the top of the resistance tester main body 2 is improved by arranging the protective cover plate, the device has an antistatic function, and connecting electric pens 7 are uniformly arranged on the other side of the top of the resistance tester mounting box body 1, reinforcing ribs 3 are uniformly arranged on the outer sides of two ends of a resistance tester installation box body 1, an upper chute 4 is arranged at the top of one side of the resistance tester installation box body 1, a lower chute 6 is arranged at the bottom of one side of the resistance tester installation box body 1, which is close to the upper chute 4, a baffle plate 8 is commonly arranged between the upper chute 4 and the lower chute 6, a through hole is arranged in the middle of one end of the baffle plate 8, an anti-skid rubber ring is arranged in the through hole, the baffle plate 8 is conveniently pulled through the through hole and the anti-skid rubber ring, an installation cavity 5 is arranged in the resistance tester installation box body 1, which is close to one side of the upper chute 4, a baffle plate 11 is arranged in the middle of the installation cavity 5, wiring cabins 15 are arranged at two ends of two sides of the baffle plate 11, coil spring cabins 10 are arranged at two ends of the inner wall of the resistance tester installation box body 1, which is located in the installation cavity 5, and a central shaft 12 is commonly arranged between the coil spring cabins 10 and the wiring cabins 15, both ends in the center pin 12 outside all are provided with side shield 14, one side that two sets of side shield 14 are close to each other is provided with the cable 13 of twining in center pin 12, the inboard of wind spring storehouse 10 is provided with wind spring 16, the other end and the center pin 12 of wind spring 16 interconnect, the position department of wiring storehouse 15 inner wall is provided with conducting ring A17, the one end of connecting electroprobe 7 is connected with the conducting ring A17 electricity inside wiring storehouse 15 respectively through the wire, the other end of cable 13 is provided with the fastener respectively, through being provided with the fastener, conveniently be connected cable 13 and cascaded transformer electricity, the one end that center pin 12 extends to wiring storehouse 15 inside is provided with the conducting ring B18 with conducting ring A17 adaptation each other, the one end and the conducting ring B18 electricity that the inside that cable 13 is close to center pin 12 are connected, the intercommunication of circuit has been guaranteed through the electricity connection of cable 13 and conducting ring B18.
The resistance tester body 2, the conducting ring A17 and the conducting ring B18 in the device are the prior art, and the composition structure and the connection mode of the device are completely the same as those of the prior device.
The working principle is as follows: when the device is used, the baffle 8 is pushed to move towards the rear of the resistance tester installation box body 1, the baffle 8 slides between the upper chute 4 and the lower chute 6, the cable 13 inside the installation cavity 5 is exposed, the cable 13 is pulled to drive the central shaft 12 to rotate, the central shaft 12 drives the coil spring 16 to be wound to generate rebound force, one end of the cable 13 is clamped at the wiring end of the stepped transformer to be measured, the connecting electric pen 7 is inserted into the wiring port at the top of the resistance tester main body 2, the circuit is communicated, the resistance tester main body 2 is opened to measure the stepped transformer, when measurement is finished, one end of the cable 13 is loosened, the central shaft 12 drives the cable 13 to reversely rotate under the effect of the rebound force of the coil spring 16 to be wound, the storage function of the cable 13 is achieved, the requirement of a worker for externally carrying the cable is reduced, the whole cable 13 is guaranteed at the same time, and the knotting and bending phenomena are prevented.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as either a fixed connection or a detachable connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (6)
1. The utility model provides a cascaded transformer direct current resistance tester, includes resistance tester installation box (1), its characterized in that: the resistance tester installation box comprises a resistance tester installation box body (1), a box cover (9) is hinged to the top of one end of the back of the resistance tester installation box body (1), a resistance tester main body (2) is arranged on one side of the inside of the top of the resistance tester installation box body (1), a connecting electrography (7) is uniformly arranged on the other side of the top of the resistance tester installation box body (1), reinforcing ribs (3) are uniformly arranged on the outer sides of the two ends of the resistance tester installation box body (1), an upper chute (4) is arranged on the top of one side of the resistance tester installation box body (1), a lower chute (6) is arranged at the bottom of one side, close to the upper chute (4), of the resistance tester installation box body (1), a baffle (8) is commonly arranged between the upper chute (4) and the lower chute (6), an installation cavity (5) is arranged inside the resistance tester installation box body (1) close to one side of the upper chute (4), a baffle plate (11) is arranged in the middle of the inside of the installation cavity (5), wire connecting cabins (15) are arranged at the two ends of the two sides of the baffle (11), coil springs (10) are arranged at the two ends of the coil spring cabin (12) and the coil spring cabin (12) are arranged at the outer side of the coil spring cabin (12), cables (13) wound on a central shaft (12) are arranged on one side, close to each other, of the two groups of side baffles (14), coil springs (16) are arranged on the inner sides of the coil spring bins (10), the other ends of the coil springs (16) are connected with the central shaft (12), conducting rings A (17) are arranged at the positions of the inner walls of the wiring bins (15), and conducting rings B (18) matched with the conducting rings A (17) are arranged at one ends, extending to the inside of the wiring bins (15), of the central shaft (12).
2. The stepped transformer dc resistance tester according to claim 1, wherein: one end of the connecting electroprobe (7) is respectively and electrically connected with the conducting ring A (17) in the wiring bin (15) through a conducting wire, and the other end of the cable (13) is respectively provided with a wire clamp.
3. The stepped transformer dc resistance tester as recited in claim 1, wherein: the resistance tester mounting box is characterized in that a waterproof ring is arranged at the edge position of the top of the resistance tester mounting box body (1), and a groove matched with the waterproof ring is arranged at the edge position of the bottom of the box cover (9).
4. The stepped transformer dc resistance tester according to claim 1, wherein: the top of the resistance tester main body (2) is provided with a protective cover plate, and the top of the protective cover plate is provided with an anti-static coating.
5. The stepped transformer dc resistance tester as recited in claim 1, wherein: the middle part of one end of the baffle (8) is provided with a through hole, and an anti-skid rubber ring is arranged inside the through hole.
6. The stepped transformer dc resistance tester as recited in claim 1, wherein: one end of the cable (13) close to the inner part of the central shaft (12) is electrically connected with the conductive ring B (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222884592.0U CN218886026U (en) | 2022-10-31 | 2022-10-31 | Stepped transformer direct-current resistance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222884592.0U CN218886026U (en) | 2022-10-31 | 2022-10-31 | Stepped transformer direct-current resistance tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218886026U true CN218886026U (en) | 2023-04-18 |
Family
ID=85953299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222884592.0U Active CN218886026U (en) | 2022-10-31 | 2022-10-31 | Stepped transformer direct-current resistance tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218886026U (en) |
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2022
- 2022-10-31 CN CN202222884592.0U patent/CN218886026U/en active Active
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