CN111929472A - Multifunctional high-voltage test switching box for transformer test - Google Patents
Multifunctional high-voltage test switching box for transformer test Download PDFInfo
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- CN111929472A CN111929472A CN202010602912.1A CN202010602912A CN111929472A CN 111929472 A CN111929472 A CN 111929472A CN 202010602912 A CN202010602912 A CN 202010602912A CN 111929472 A CN111929472 A CN 111929472A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/36—Wires
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The invention discloses a multifunctional high-voltage test switching box for a transformer test, which comprises a high-price test junction box body, wherein the high-price test junction box body comprises a shell and a first wire, an anti-winding wire winding device is arranged inside the shell, the anti-winding wire winding device comprises a base, and the side part of the base is connected with the inner wall of the shell.
Description
Technical Field
The invention relates to a junction box, in particular to a multifunctional high-voltage test junction box for a transformer test.
Background
Publication No.: CN203786164U discloses a high-voltage test terminal box, and we find in application that the detection device is generally externally connected with a wire, and in the process of transporting the detection device, the wire is outside the high-voltage test terminal box, so that the detection device cannot be conveniently carried and is easy to be wound with other devices.
Disclosure of Invention
The invention aims to provide a multifunctional high-voltage test adapter box for a transformer test, which can be characterized in that an anti-winding wire winding device is additionally arranged inside a shell of a conventional high-price test junction box body, the anti-winding wire winding device can be used for accommodating a second wire into the shell when a high-voltage test is not carried out by using a winding pipe, and the problem that the wire is carried outside the high-voltage test junction box when the multifunctional high-voltage test adapter box for the transformer test is transported is avoided.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the multifunctional high-voltage test switching box for the transformer test comprises a high-price test junction box body, wherein the high-price test junction box body comprises a shell and a first lead, an anti-winding device is arranged inside the shell and comprises a base, the side part of the base is connected with the inner wall of the shell, a bearing is arranged on the base, the outer side of the inner ring of the bearing is connected with the base, a positioning pipe is inserted inside the inner ring of the bearing, the first lead penetrates through the positioning pipe, the outer ring of the bearing is connected with a first fixed disc, one side of the first fixed disc is connected with a winding pipe, one side of the winding pipe is connected with a second fixed disc, one side of the second fixed disc is connected with a handle, a first through hole is formed in one side of the first through hole, a second through hole is formed in one side of the shell, the middle part of the first lead can penetrate through hole and the second through hole, the conductive sliding ring is installed on one side of the positioning support, the fixed end of the conductive sliding ring is connected with the positioning support, the contact of the rotating end of the conductive sliding ring is connected with the second wire, the contact of the fixed end of the conductive sliding ring is communicated with the first wire, the contact of the rotating end of the conductive sliding ring is communicated with the second wire, and the detection pen is connected with one end of the second through hole. A cylindrical sleeve is arranged on the inner wall of the shell close to the second fixed disc; the cylinder is sleeved with a hole; the hole is provided with a spring; the end part of the spring is provided with a marble; and a plurality of circular grooves matched with the marbles are formed in the second fixed disc.
In order to further achieve the aim of the invention, the technical scheme that the diameter of the first fixed disk and the diameter of the second fixed disk are both larger than the diameter of the winding pipe can also be adopted.
The handle includes the fixed column, and the one end and the second fixed disk of fixed column are connected, and the casing is passed at the middle part of fixed column, and the handle is connected to the other end of fixed column, and one side of handle and the outside laminating of casing, the holding ring is connected in the outside of casing, and the handle is located the inboard of holding ring, and the handle can be rotatory along the center pin of fixed column in the holding ring inboard, the center pin collineation of center pin and fixed column of holding ring.
The first magnet of outside of casing, the lateral part of detecting pen connects the second magnet. Non-viable cells
The invention has the advantages that: according to the invention, the anti-winding device is additionally arranged in the shell of the existing high-price test junction box body, so that the anti-winding device can not only utilize the winding pipe to store the second lead into the shell when a high-voltage test is not carried out, but also avoid the influence of the lead on carrying outside the high-voltage test junction box when the multifunctional high-voltage test junction box for the transformer test is transported. The conductive slip ring can enable the second wire to rotate along with the winding pipe under the condition that the second wire is kept to be conducted with the first wire in the process that the winding pipe rotates to wind the second wire, and the first wire cannot be twisted along the central axis of the first wire in the process, so that the first wire and the second wire are prevented from being easily damaged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 from direction A;
fig. 3 is an enlarged structural view along B-B in fig. 1.
Labeling components: 1 high-price test junction box body 2 casing 3 first wire 4 base 5 registration arm 6 bearing 7 first fixed disc 8 bobbin 9 first through hole 10 second wire 11 key 12 key 13 peg 14 peg 15 conductive slip ring 16 positioning support 17 fixed column 18 positioning ring 19 second fixed disc 20 second magnet 21 first magnet 22 detection pen 23 cylinder sleeve 24 spring 25 hole 26 marble 27 circular recess.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.
Example 1:
a multifunctional high-voltage test switching box for a transformer test is shown in figures 1-2 and comprises a high-price test junction box body 1, wherein the high-price test junction box body 1 comprises a shell 2 and a first lead 3, an anti-winding device is arranged inside the shell 2 and comprises a base 4, the side part of the base 4 is connected with the inner wall of the shell 2, a bearing 6 is arranged on the base 4, the outer side of the inner ring of the bearing 6 is connected with the base 4, the inner side of the inner ring of the bearing 6 is inserted with a positioning tube 5, the first lead 3 penetrates through the positioning tube 5, the outer ring of the bearing 6 is connected with a first fixed disc 7, one side of the first fixed disc 7 is connected with a winding tube 8, one side of the winding tube 8 is connected with a second fixed disc 19, one side of the second fixed disc 19 is connected with a handle, one side of the first through hole 9 is provided with a first through hole 9, one side of the shell 2, the middle part of first wire 3 can pass first through-hole 9 and second through-hole 10, locating support 16 is connected to one side of registration arm 5, locating support 16's one side installation conducting slip ring 15, conducting slip ring 15's stiff end is connected with locating support 16, conducting slip ring 15's the contact of rotatory end is connected second wire 10, conducting slip ring 15's stiff end contact switches on with first wire 3, conducting slip ring 15's rotatory end contact switches on with second wire 10, test pen 22 is connected to the one end of second through-hole 10. A cylindrical sleeve 23 is arranged on the inner wall of the shell 2 close to the second fixed disc 19; the cylindrical sleeve 23 is provided with a hole 25; the hole 25 is provided with a spring 24; the end part of the spring 24 is provided with a marble 26; the second fixed disk 19 is provided with a plurality of circular grooves 27 matched with the marbles 26. The wire 10 is pulled to drive the winding pipe 8 to rotate, and the winding pipe 8 can automatically cooperate with the marble 26 to be automatically locked when rotating. Preventing the wire 10 from being pulled too quickly to cause the wire to loosen.
According to the invention, the anti-winding device is additionally arranged in the shell 2 of the existing high-price test junction box body 1, and the anti-winding device can not only utilize the winding pipe 8 to store the second lead 10 into the shell 2 when a high-voltage test is not carried out, so that the influence of the lead on carrying outside the high-voltage test junction box is avoided when the multifunctional high-voltage test junction box for the transformer test is transported. The conductive slip ring 15 can enable the second lead 10 to rotate along with the winding pipe 8 under the condition that the second lead 10 is kept to be communicated with the first lead 3 in the process that the winding pipe 8 rotates to wind the second lead 10, and the first lead 3 cannot be twisted along the central axis of the first lead 3 in the process, so that the first lead 3 and the second lead 10 are prevented from being easily damaged.
Material selection and feasibility analysis of specific implementation of application range: the practical manufactured sample is implemented by taking the specification attached drawing as a drawing according to the proportion and the matching mode of each part in the specification attached drawing, the connection is a common connection mode such as a connection of a strong adhesive, a welding, riveting and a flange connection and an integral forming type connection, and the thickness and the strength of a corresponding connection mode connection point can be selected without creativity according to the requirement of practical connection strength during practical manufacturing. In actual manufacturing, the central axis of the first wire 3, the central axis of the positioning tube 5, the central axis of the bearing 6, the central axes of the first fixed disk 7, the winding tube 8 and the second fixed disk 19 should be arranged close to a straight line, so that a user can conveniently wind the first wire 3 by using the winding tube device.
Example 2:
a multifunctional high-voltage test switching box for a transformer test is shown in figures 1-2 and comprises a high-price test junction box body 1, wherein the high-price test junction box body 1 comprises a shell 2 and a first lead 3, an anti-winding device is arranged inside the shell 2 and comprises a base 4, the side part of the base 4 is connected with the inner wall of the shell 2, a bearing 6 is arranged on the base 4, the outer side of the inner ring of the bearing 6 is connected with the base 4, the inner side of the inner ring of the bearing 6 is inserted with a positioning tube 5, the first lead 3 penetrates through the positioning tube 5, the outer ring of the bearing 6 is connected with a first fixed disc 7, one side of the first fixed disc 7 is connected with a winding tube 8, one side of the winding tube 8 is connected with a second fixed disc 19, one side of the second fixed disc 19 is connected with a handle, one side of the first through hole 9 is provided with a first through hole 9, one side of the shell 2, the middle part of first wire 3 can pass first through-hole 9 and second through-hole 10, locating support 16 is connected to one side of registration arm 5, locating support 16's one side installation conducting slip ring 15, conducting slip ring 15's stiff end is connected with locating support 16, conducting slip ring 15's the contact of rotatory end is connected second wire 10, conducting slip ring 15's stiff end contact switches on with first wire 3, conducting slip ring 15's rotatory end contact switches on with second wire 10, test pen 22 is connected to the one end of second through-hole 10. A cylindrical sleeve 23 is arranged on the inner wall of the shell 2 close to the second fixed disc 19; the cylindrical sleeve 23 is provided with a hole 25; the hole 25 is provided with a spring 24; the end part of the spring 24 is provided with a marble 26; the second fixed disk 19 is provided with a plurality of circular grooves 27 matched with the marbles 26. The wire 10 is pulled to drive the winding pipe 8 to rotate, and the winding pipe 8 can automatically cooperate with the marble 26 to be automatically locked when rotating. Preventing the wire 10 from being pulled too quickly to cause the wire to loosen. The diameter of the first fixed disk 7 and the diameter of the second fixed disk 19 are both larger than the diameter of the winding pipe 8.
The diameter of the first fixed disk 7 and the diameter of the second fixed disk 19 are both larger than the diameter of the winding pipe 8, so that the winding pipe 8 can be prevented from easily separating from the winding pipe 8 in the process of winding the second conducting wire 10 by the winding pipe 8.
Example 3:
a multifunctional high-voltage test switching box for a transformer test is shown in figures 1-2 and comprises a high-price test junction box body 1, wherein the high-price test junction box body 1 comprises a shell 2 and a first lead 3, an anti-winding device is arranged inside the shell 2 and comprises a base 4, the side part of the base 4 is connected with the inner wall of the shell 2, a bearing 6 is arranged on the base 4, the outer side of the inner ring of the bearing 6 is connected with the base 4, the inner side of the inner ring of the bearing 6 is inserted with a positioning tube 5, the first lead 3 penetrates through the positioning tube 5, the outer ring of the bearing 6 is connected with a first fixed disc 7, one side of the first fixed disc 7 is connected with a winding tube 8, one side of the winding tube 8 is connected with a second fixed disc 19, one side of the second fixed disc 19 is connected with a handle, one side of the first through hole 9 is provided with a first through hole 9, one side of the shell 2, the middle part of first wire 3 can pass first through-hole 9 and second through-hole 10, locating support 16 is connected to one side of registration arm 5, locating support 16's one side installation conducting slip ring 15, conducting slip ring 15's stiff end is connected with locating support 16, conducting slip ring 15's the contact of rotatory end is connected second wire 10, conducting slip ring 15's stiff end contact switches on with first wire 3, conducting slip ring 15's rotatory end contact switches on with second wire 10, test pen 22 is connected to the one end of second through-hole 10. A cylindrical sleeve 23 is arranged on the inner wall of the shell 2 close to the second fixed disc 19; the cylindrical sleeve 23 is provided with a hole 25; the hole 25 is provided with a spring 24; the end part of the spring 24 is provided with a marble 26; the second fixed disk 19 is provided with a plurality of circular grooves 27 matched with the marbles 26. The wire 10 is pulled to drive the winding pipe 8 to rotate, and the winding pipe 8 can automatically cooperate with the marble 26 to be automatically locked when rotating. Preventing the wire 10 from being pulled too quickly to cause the wire to loosen. The handle comprises a fixed column 17, one end of the fixed column 17 is connected with a second fixed disc 19, the middle of the fixed column 17 penetrates through the shell 2, the other end of the fixed column 17 is connected with a handle 14, one side of the handle 14 is attached to the outer side of the shell 2, the outer side of the shell 2 is connected with a positioning ring 18, the handle 14 is located on the inner side of the positioning ring 18, the handle 14 can rotate along the central shaft of the fixed column 17 on the inner side of the positioning ring 18, and the central shaft of the positioning ring 18 is collinear with the central.
The handle 14 and the fixing column 17 are combined, so that a user can conveniently and manually rotate the winding pipe 8, the second fixing disc 19 and the first fixing disc 7, and the positioning ring 18 can protect the side periphery of the handle 14 and prevent the handle 14 from being easily hung on other devices.
Example 4:
a multifunctional high-voltage test switching box for a transformer test is shown in figures 1-2 and comprises a high-price test junction box body 1, wherein the high-price test junction box body 1 comprises a shell 2 and a first lead 3, an anti-winding device is arranged inside the shell 2 and comprises a base 4, the side part of the base 4 is connected with the inner wall of the shell 2, a bearing 6 is arranged on the base 4, the outer side of the inner ring of the bearing 6 is connected with the base 4, the inner side of the inner ring of the bearing 6 is inserted with a positioning tube 5, the first lead 3 penetrates through the positioning tube 5, the outer ring of the bearing 6 is connected with a first fixed disc 7, one side of the first fixed disc 7 is connected with a winding tube 8, one side of the winding tube 8 is connected with a second fixed disc 19, one side of the second fixed disc 19 is connected with a handle, one side of the first through hole 9 is provided with a first through hole 9, one side of the shell 2, the middle part of first wire 3 can pass first through-hole 9 and second through-hole 10, locating support 16 is connected to one side of registration arm 5, locating support 16's one side installation conducting slip ring 15, conducting slip ring 15's stiff end is connected with locating support 16, conducting slip ring 15's the contact of rotatory end is connected second wire 10, conducting slip ring 15's stiff end contact switches on with first wire 3, conducting slip ring 15's rotatory end contact switches on with second wire 10, test pen 22 is connected to the one end of second through-hole 10. A cylindrical sleeve 23 is arranged on the inner wall of the shell 2 close to the second fixed disc 19; the cylindrical sleeve 23 is provided with a hole 25; the hole 25 is provided with a spring 24; the end part of the spring 24 is provided with a marble 26; the second fixed disk 19 is provided with a plurality of circular grooves 27 matched with the marbles 26. The wire 10 is pulled to drive the winding pipe 8 to rotate, and the winding pipe 8 can automatically cooperate with the marble 26 to be automatically locked when rotating. Preventing the wire 10 from being pulled too quickly to cause the wire to loosen. The first magnet 21 is arranged outside the casing 2, and the second magnet 20 is connected with the side part of the detection pen 22. When the second lead wire 10 of the present invention is received in the housing 2, the second magnet 20 can be attracted to and engaged with the first magnet 21.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention.
Claims (4)
1. Transformer is experimental with multi-functional high-voltage testing switching box, including high price test terminal box body (1), high price test terminal box body (1) includes casing (2) and first wire (3), its characterized in that: the winding prevention coiling device is arranged inside the shell (2) and comprises a base (4), the side part of the base (4) is connected with the inner wall of the shell (2), a bearing (6) is arranged on the base (4), the outer side of an inner ring of the bearing (6) is connected with the base (4), a positioning pipe (5) is inserted into the inner side of the inner ring of the bearing (6), a first lead (3) penetrates through the positioning pipe (5), the outer ring of the bearing (6) is connected with a first fixed disc (7), one side of the first fixed disc (7) is connected with a winding pipe (8), one side of the winding pipe (8) is connected with a second fixed disc (19), one side of the second fixed disc (19) is connected with a handle, one side of the first through hole (9) is provided with a first through hole (9), one side of the shell (2) is provided with a second through hole (10), the middle part of the first lead (3) can penetrate through the first through hole (9) and the second through hole (10), one side of the positioning tube (5) is connected with a positioning support (16), one side of the positioning support (16) is provided with a conductive sliding ring (15), the fixed end of the conductive sliding ring (15) is connected with the positioning support (16), the contact of the rotating end of the conductive sliding ring (15) is connected with a second lead (10), the contact of the fixed end of the conductive sliding ring (15) is communicated with the first lead (3), the contact of the rotating end of the conductive sliding ring (15) is communicated with the second lead (10), and one end of the second through hole (10) is connected with a detection pen (22); a cylindrical sleeve (23) is arranged on the inner wall of the shell (2) close to the second fixed disc (19); the cylindrical sleeve (23) is provided with a hole (25); the hole (25) is provided with a spring (24); a marble (26) is arranged at the end part of the spring (24); the second fixed disk (19) is provided with a plurality of circular grooves (27) matched with the marbles (26).
2. The multifunctional high-voltage test adapter box for the transformer test according to claim 1, wherein: the diameter of the first fixed disk (7) and the diameter of the second fixed disk (19) are both larger than the diameter of the winding pipe (8).
3. The multifunctional high-voltage test adapter box for the transformer test according to claim 2, wherein: the handle includes fixed column (17), the one end and the second of fixed column (17) are fixed disc (19) and are connected, casing (2) are passed in the middle part of fixed column (17), handle (14) are connected to the other end of fixed column (17), one side of handle (14) is laminated with the outside of casing (2), holding ring (18) is connected in the outside of casing (2), handle (14) are located the inboard of holding ring (18), handle (14) can be rotatory along the center pin of fixed column (17) in holding ring (18) inboard, the center pin collineation of center pin and the center pin of fixed column (17) of holding ring (18).
4. The multifunctional high-voltage test adapter box for the transformer test according to claim 1, wherein: the first magnet (21) is arranged on the outer side of the shell (2), and the side part of the detection pen (22) is connected with the second magnet (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010602912.1A CN111929472B (en) | 2020-06-29 | 2020-06-29 | Multifunctional high-voltage test switching box for transformer test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010602912.1A CN111929472B (en) | 2020-06-29 | 2020-06-29 | Multifunctional high-voltage test switching box for transformer test |
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| CN111929472A true CN111929472A (en) | 2020-11-13 |
| CN111929472B CN111929472B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010602912.1A Active CN111929472B (en) | 2020-06-29 | 2020-06-29 | Multifunctional high-voltage test switching box for transformer test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946465A (en) * | 2021-02-06 | 2021-06-11 | 国家电网有限公司 | Portable detection device for relay action power |
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| CN208385920U (en) * | 2018-05-11 | 2019-01-15 | 福建省昕慧扬电气设备有限公司 | A kind of safe power distribution box with retractable cable function |
| CN208738457U (en) * | 2018-08-10 | 2019-04-12 | 温州普锐智能科技有限公司 | A kind of portable earthing or grounding means of electric power first-aid test |
| CN109568990A (en) * | 2018-12-07 | 2019-04-05 | 湖南孝文电子科技有限公司 | A kind of rotation spray lighter conducting wire is antiwind and high_voltage isolation structure and rotation spray lighter |
| CN209461736U (en) * | 2019-03-08 | 2019-10-01 | 东阿阿胶股份有限公司 | It is a kind of for enduring the power wire coiler of glue platform |
| CN110127458A (en) * | 2019-05-24 | 2019-08-16 | 国家电网有限公司 | A kind of connecting wire wire dispenser for earth resistance meter |
| CN210604860U (en) * | 2019-07-19 | 2020-05-22 | 南京宁电电力工程有限公司 | Portable cable withstand voltage tester |
| CN210775339U (en) * | 2019-09-27 | 2020-06-16 | 机械工业勘察设计研究院有限公司 | Ultrasonic detection system for pile foundation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946465A (en) * | 2021-02-06 | 2021-06-11 | 国家电网有限公司 | Portable detection device for relay action power |
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| CN111929472B (en) | 2023-06-30 |
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