CN110907852A - Switching device and short circuit detection method - Google Patents
Switching device and short circuit detection method Download PDFInfo
- Publication number
- CN110907852A CN110907852A CN201811075112.8A CN201811075112A CN110907852A CN 110907852 A CN110907852 A CN 110907852A CN 201811075112 A CN201811075112 A CN 201811075112A CN 110907852 A CN110907852 A CN 110907852A
- Authority
- CN
- China
- Prior art keywords
- conductive
- conductive connecting
- short
- wire
- plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The disclosure provides a switching device and a short circuit detection method. The adapter device comprises an adapter plate. The adapter plate is provided with a plurality of first conductive connecting ends and a plurality of second conductive connecting ends, and the first conductive connecting ends are connected with the second conductive connecting ends in a one-to-one correspondence mode. The switching device disclosed by the invention can enable the connection of the power supply and the wire core to be more convenient.
Description
Technical Field
The disclosure relates to the technical field of locomotive wiring detection, in particular to a switching device and a short circuit detection method.
Background
The electric locomotive is the main force of modern trains and has the advantages of quick starting acceleration, strong climbing capability, no influence of severe cold on work and less exhaust gas emission. During the manufacturing process of an electric locomotive, the wiring of the locomotive needs to be detected. Wherein, need the focus to carry out the short circuit detection to two adjacent sinle silks in the cable that contains a plurality of sinle silks.
When detecting whether short circuit between two adjacent sinle silks in the cable, pass through the shorting stub with a sinle silk and connect in the positive pole of power, pass through the shorting stub with another sinle silk and connect in the negative pole of power, rethread current detection device detects the electric current in the sinle silk to whether short circuit between two sinle silks can be judged based on this electric current. However, the position of the connection end of the shorting wire in this process is easily changed, thereby causing inconvenience to the connection of the power supply and the wire core.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
The purpose of the present disclosure is to provide a switching device and a short circuit detection method, which can facilitate connection between a power supply and a wire core.
According to one aspect of the present disclosure, a transition device is provided. The adapter device comprises an adapter plate. The adapter plate is provided with a plurality of first conductive connecting ends and a plurality of second conductive connecting ends, and the first conductive connecting ends are connected with the second conductive connecting ends in a one-to-one correspondence mode.
In an exemplary embodiment of the present disclosure, the adapter device further comprises a plug and a socket that mate with each other. The plug can be connected to one of the first conductive connection end and the member to be connected, and the socket can be connected to the other of the first conductive connection end and the member to be connected.
In an exemplary embodiment of the present disclosure, the socket is a banana socket and the plug is a banana plug.
In an exemplary embodiment of the present disclosure, the first conductive connection terminal protrudes from a surface of the interposer. The switching device further comprises a short-circuit wire, conductive clamps are arranged at two ends of the short-circuit wire, one conductive clamp can clamp the first conductive connecting end, and the other conductive clamp can clamp the to-be-switched piece.
In an exemplary embodiment of the present disclosure, a socket is connected to the first conductive connection terminal. The adapter device further comprises a short-circuit wire, one end of the short-circuit wire is connected with a plug capable of being matched with the socket, and the other end of the short-circuit wire is connected with a conductive clamp capable of clamping the to-be-switched piece.
In an exemplary embodiment of the disclosure, the first conductive connecting end is connected with a plug, the adapter device further includes a shorting stub, one end of the shorting stub is connected with a socket capable of being matched with the plug, and the other end of the shorting stub is connected with a conductive clip capable of clamping the to-be-switched piece.
In an exemplary embodiment of the present disclosure, the interposer is an insulating material.
In an exemplary embodiment of the present disclosure, the interposer is an insulating laminated structure.
In an exemplary embodiment of the present disclosure, the adapting device further includes a roller. The roller is rotatably connected to the adapter plate.
In an exemplary embodiment of the present disclosure, the roller is detachably connected to the adapter plate.
According to one aspect of the present disclosure, a short circuit detection method is provided. The short circuit detection method comprises the following steps: providing a transition device according to any one of the above; connecting any two adjacent wire cores in the cable to any two first conductive connecting ends in a one-to-one correspondence manner, applying voltage between two second conductive connecting ends connected with the two first conductive connecting ends of the two wire cores, and detecting current; when the current is larger than or equal to a preset current, judging that the two wire cores are in short circuit; and when the current is smaller than the preset current, judging that the two wire cores are not short-circuited.
This beneficial effect of comparing prior art of this disclosure lies in:
according to the switching device and the short circuit detection method, in the use process, the power supply is connected between any two second conductive connecting ends, the two first conductive connecting ends which are connected with the two second conductive connecting ends in a one-to-one correspondence mode are connected with the two adjacent wire cores in the cable in a one-to-one correspondence mode, and therefore the power supply is connected with the wire cores. Because the adapter plate is all located to first electrically conductive link and the electrically conductive link of second to make first electrically conductive link and the electrically conductive link of second have fixed position, and then make the connection of power and sinle silk more convenient.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The above and other features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty. In the drawings:
FIG. 1 is a front view of an adapter device according to an embodiment of the present disclosure;
FIG. 2 is a top view of an adapter device according to an embodiment of the present disclosure;
FIG. 3 is a schematic view of a shorting stub with a conductive clip according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of a seven-core cable in a short circuit detection method in an embodiment of the disclosure;
FIG. 5 is a schematic diagram of a thirteen-core cable in a short-circuit detection method in an embodiment of the present disclosure;
fig. 6 is a schematic diagram of a nineteen-core cable in a short-circuit detection method in an embodiment of the disclosure.
In the figure: 1. a first conductive connection terminal; 2. a second conductive connection terminal; 3. an adapter plate; 4. a conductive clip; 5. a short-circuit wire; 6. and a roller.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, etc. In other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the present disclosure.
The terms "a", "an", "the" and "at least one" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.
The embodiment of the disclosure provides an adapter device. As shown in fig. 1 and 2, the adapter device includes an adapter plate 3. Wherein:
the interposer 3 has a plurality of first conductive connection terminals 1 and a plurality of second conductive connection terminals 2, and the plurality of first conductive connection terminals 1 are connected to the plurality of second conductive connection terminals 2 in one-to-one correspondence.
The switching device of the embodiment of the present disclosure, in the using process, connects the power supply between any two second conductive connecting ends 2, and connects two first conductive connecting ends 1 connected with the second conductive connecting ends 2 in a one-to-one correspondence with two adjacent wire cores in the cable in a one-to-one correspondence manner, thereby connecting the power supply with the wire cores. Because the keysets is all located to first electrically conductive link 1 and the electrically conductive link 2 of second to make first electrically conductive link 1 and the electrically conductive link 2 of second have fixed position, and then make the connection of power and sinle silk more convenient.
The following describes each part of the embodiments of the present disclosure in detail:
as shown in fig. 1 and 2, the adapter plate 3 can provide structural support for the adapter device. The interposer 3 may be made of an insulating material. In one embodiment, the interposer 3 is an insulating laminated structure. Wherein, the adapter plate 3 can be an epoxy glass cloth laminated board. The epoxy glass cloth has good mechanical strength under the condition of high temperature and has stable electrical performance under the condition of high humidity. Of course, the interposer 3 may also be a phenolic cotton cloth laminate, an insulating paper board, an organic silicon glass cloth laminate, a melamine glass cloth laminate, a diphenyl ether glass cloth laminate, a bismaleimide glass cloth laminate, a polyimide glass cloth laminate, a graphite glass cloth laminate, or the like. In another embodiment, the adapter plate 3 is made of a hard glue. The hard rubber can be prepared by heating and vulcanizing a mixture of styrene butadiene rubber and sulfur. In other embodiments of the present disclosure, the interposer 3 may also be made of other insulating materials, and will not be described in detail herein.
As shown in fig. 1 and 2, the interposer 3 is provided with a plurality of first conductive connection terminals 1 and a plurality of second conductive connection terminals 2. In one embodiment, the interposer 3 has opposing first and second surfaces. A plurality of first electrically conductive link 1 locate the first surface of keysets 3, and a plurality of second electrically conductive link 2 locate the second surface of keysets 3 to add the mark at the first surface, thereby can distinguish first electrically conductive link 1 and the electrically conductive link 2 of second fast, avoid producing and obscure. In another embodiment, the plurality of first conductive connection terminals 1 and the plurality of second conductive connection terminals 2 are disposed on the same surface of the interposer 3. In other embodiments of the present disclosure, the plurality of first conductive connection terminals 1 and the plurality of second conductive connection terminals 2 may also be distributed on the interposer 3 in other forms. Furthermore, both the first and the second electrically conductive connection terminals 1, 2 can be used for connection to a component to be connected. In one embodiment, the first conductive connection terminals 1 can be connected to the core of the cable, and the second conductive connection terminals 2 can be connected to the power supply and the current detection device.
As shown in fig. 1 and 2, the transition device of the embodiment of the present disclosure may further include a plug and a socket capable of being fitted to each other to facilitate connection of the core of the cable with the plurality of first conductive connection terminals 1. In one embodiment, the plug can be connected to the core and the socket can be connected to the first conductive connection 1. In another embodiment, the plug can be connected to the first conductive connection 1 and the socket can be connected to the core.
As shown in fig. 1 and 2, the first conductive connection terminal 1 provided in the embodiment of the present disclosure protrudes from the surface of the interposer 3. In order to facilitate the connection of the wire core with the first conductive connection terminal 1, the transition device of the embodiment of the present disclosure may further include a shorting line 5. Both ends of the shorting stub 5 may be connected with conductive clips 4. One conductive clip 4 can hold the first conductive connection end 1 and the other conductive clip 4 can hold the wire core. When the first conductive connecting end 1 is connected with a plug, one end of the short connecting wire 5 can be connected with a socket matched with the plug, and the other end can be connected with a conductive clamp 4 capable of clamping a wire core. When first electrically conductive link 1 is connected with the socket, the one end of this shorting stub 5 can be connected with can this socket complex plug, and the other end can be connected with the electrically conductive clamp 4 that can the centre gripping sinle silk. The conductive clip 4 may be an alligator clip, etc.
As shown in fig. 1, the interface device of the disclosed embodiments may further include a moving mechanism. The moving mechanism can be used to change the position of the adapter plate 3. In one embodiment, the moving mechanism is a roller 6. The roller 6 is rotatably disposed on the adapter plate 3. Through this gyro wheel 6, can conveniently remove the position of keysets 3 to can solve the difficult problem of transport that leads to because the quality of keysets 3 is great. Wherein the number of the rollers 6 may be one, two, three or more. Furthermore, the roller 6 is detachably connected to the adapter plate 3. When the adapter plate 3 is moved, the roller 6 is arranged on the adapter plate 3 so as to facilitate the movement of the adapter plate 3; when the adapter plate 3 moves to a specified position and short circuit detection is started, the roller 6 can be detached, and the influence of the roller 6 on the short circuit detection process is avoided. The detachable connection can be a bolt connection, but not limited to this, and can also be other detachable connection modes such as clamping connection and the like. In other embodiments of the present disclosure, the moving mechanism may also be a slide rail or the like, which is not described in detail herein.
The embodiment of the disclosure also provides a short circuit detection method. The short detection method includes steps S11-S13. Wherein:
step S11, providing the adapting device according to any one of the above embodiments.
Step S12, connecting any two adjacent wire cores in the cable to any two first conductive connecting ends in a one-to-one correspondence manner, applying voltage between two second conductive connecting ends connected with the two first conductive connecting ends connected with the two wire cores, and detecting current; when the current is greater than or equal to the preset current, judging that the two wire cores are in short circuit; and when the current is less than the preset current, judging that the two wire cores are not short-circuited.
The switching device used in the short circuit detection method of the embodiment of the present disclosure is the same as the switching device in the embodiment of the switching device, and therefore, the switching device has the same effect, and is not described herein again.
The following describes the steps of the short circuit detection method according to the embodiment of the present disclosure in detail:
in step S11, the adapter according to any of the above embodiments is provided.
The switching device of the embodiment of the present disclosure is the same as the switching device of the above embodiments, and is not described herein again. For example, the adapter device comprises an adapter plate having a plurality of first conductive connection terminals and a plurality of second conductive connection terminals. The first conductive connection end is provided with a socket. The transition device also includes a plurality of shorting bars. One end of each short-circuit wire is connected with a plug, and the other end of each short-circuit wire is connected with an alligator clip.
In step S12, connecting any two adjacent cores in the cable to any two first conductive connection terminals in a one-to-one correspondence, applying a voltage between two second conductive connection terminals connected to the two first conductive connection terminals connected to the two cores, and detecting a current; when the current is greater than or equal to the preset current, judging that the two wire cores are in short circuit; and when the current is less than the preset current, judging that the two wire cores are not short-circuited.
Each wire core is connected with the first conductive connecting end through a short-circuit wire. The first conductive connection end is connected to a socket. One end of the short-circuit wire is connected with an alligator clip, and the other end of the short-circuit wire is connected with a plug which can be matched with the socket. Each wire core is connected with the short-circuit wire through the crocodile clip, and the short-circuit wire is connected with the first conductive connecting end through the plug.
For cables with multiple core layers, short circuit detection can also be performed using the transition device of the embodiments of the present disclosure.
First, whether or not there is a short circuit in each of the core layers is detected. Wherein:
when the number of the cores in one core layer is even, the cores in the core layer are divided into a first group and a second group, wherein any two adjacent cores do not belong to the same group; connecting the wire cores in the first group in parallel, and connecting the wire cores with an alligator clip at one end of a short-circuit wire, wherein a plug at the other end of the short-circuit wire is connected with any one first conductive connecting end; connecting the wire cores in the second group in parallel, and connecting the wire cores with an alligator clip at one end of another short-circuit wire, wherein a plug at the other end of the short-circuit wire is connected with another first conductive connecting end; a voltage is applied between two second conductive connection terminals connected to two first conductive connection terminals connected to a wire, and a current is detected.
When the number of the wire cores in one wire core layer is odd and is more than 1, selecting a first wire core, and carrying out short circuit detection between the first wire core and the wire core adjacent to the first wire core in the wire core layer; dividing the rest wire cores in the wire core layer into a third group and a fourth group, wherein any two adjacent wire cores do not belong to the same group; connecting the wire cores in the third group in parallel, and connecting the wire cores with an alligator clip at one end of a short-circuit wire, wherein a plug at the other end of the short-circuit wire is connected with any one first conductive connecting end; all the wire cores in the fourth group are connected in parallel and connected with an alligator clip at one end of another short connecting wire, and a plug at the other end of the short connecting wire is connected with another first conductive connecting end; a voltage is applied between two second conductive connection terminals connected to two first conductive connection terminals connected to a wire, and a current is detected.
Secondly, detecting whether short circuits exist among the multiple wire core layers, and dividing the multiple wire core layers into a fifth group and a sixth group, wherein any two adjacent wire core layers do not belong to the same group, all wire cores in the fifth group are connected in parallel and are connected with an alligator clip at one end of a short-circuit wire, and a plug at the other end of the short-circuit wire is connected with any first conductive connecting end; all the wire cores in the sixth group are connected in parallel and connected with an alligator clip at one end of another short-circuit wire, and a plug at the other end of the short-circuit wire is connected with another first conductive connecting end; a voltage is applied between two second conductive connection terminals connected to two first conductive connection terminals connected to a wire, and a current is detected.
The cable having a plurality of core layers may be a seven-core cable, a thirteen-core cable, a nineteen-core cable, or the like. For a seven-core cable, as shown in fig. 4, it has two core layers, the first core layer containing one core a and the second core layer containing six cores B. For a thirteen-core cable, as shown in fig. 5, it has two core layers, the first core layer containing four cores C and the second core layer containing nine cores D. For a nineteen core cable, as shown in fig. 6, it has three core layers, the first core layer containing one core E, the second core layer containing six cores F, and the third core layer containing twelve cores G.
The embodiment of the disclosure also provides a locomotive wiring quality detection method. The locomotive wiring quality detection method comprises the short circuit detection method in any one of the above embodiments. The short circuit detection method adopted by the locomotive wiring quality detection method of the embodiment of the disclosure is the same as the short circuit detection method in the embodiment of the short circuit detection method, so that the method has the same effect, and is not repeated herein.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (10)
1. An adapter device, comprising:
the adapter plate is provided with a plurality of first conductive connecting ends and a plurality of second conductive connecting ends, and the first conductive connecting ends are connected with the second conductive connecting ends in a one-to-one correspondence mode.
2. The adapter device of claim 1, further comprising a mating plug and socket, the plug being connectable to one of the first electrically conductive connector and the member to be adapted, and the socket being connectable to the other of the first electrically conductive connector and the member to be adapted.
3. The transition device according to claim 2, wherein the socket is a banana socket and the plug is a banana plug.
4. The adapter device according to claim 1, wherein the first conductive connecting terminal protrudes from the surface of the adapter plate, the adapter device further comprises a shorting stub, and conductive clips are arranged at two ends of the shorting stub, one of the conductive clips can hold the first conductive connecting terminal, and the other conductive clip can hold the to-be-switched member.
5. The adapter device according to claim 1, wherein the first conductive connecting end is connected with a socket, the adapter device further comprises a shorting stub, one end of the shorting stub is connected with a plug capable of being matched with the socket, and the other end of the shorting stub is connected with a conductive clip capable of clamping the to-be-switched piece; or
The first conductive connecting end is connected with a plug, the switching device further comprises a short-circuit wire, one end of the short-circuit wire is connected with a socket which can be matched with the plug, and the other end of the short-circuit wire is connected with a conductive clamp which can clamp the to-be-switched piece.
6. The transition device defined in claim 1, wherein the transition plate is an insulating material.
7. The transition device defined in claim 6, wherein the transition plate is an insulating laminate structure.
8. The transition device according to claim 1, further comprising:
and the roller is rotatably connected to the adapter plate.
9. The adapter device of claim 1, wherein the roller is removably coupled to the adapter plate.
10. A short circuit detection method, comprising:
providing a transition device according to any one of claims 1 to 9;
connecting any two adjacent wire cores in the cable to any two first conductive connecting ends in a one-to-one correspondence manner, applying voltage between two second conductive connecting ends connected with the two first conductive connecting ends of the two wire cores, and detecting current; when the current is larger than or equal to a preset current, judging that the two wire cores are in short circuit; and when the current is smaller than the preset current, judging that the two wire cores are not short-circuited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811075112.8A CN110907852A (en) | 2018-09-14 | 2018-09-14 | Switching device and short circuit detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811075112.8A CN110907852A (en) | 2018-09-14 | 2018-09-14 | Switching device and short circuit detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110907852A true CN110907852A (en) | 2020-03-24 |
Family
ID=69813281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811075112.8A Pending CN110907852A (en) | 2018-09-14 | 2018-09-14 | Switching device and short circuit detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110907852A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122732A (en) * | 2020-09-23 | 2020-12-25 | 西安微电子技术研究所 | Adapter plate and method for welding LCCC device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388607Y (en) * | 1999-04-21 | 2000-07-19 | 深圳市中兴通讯股份有限公司 | Cable tester |
| CN201583616U (en) * | 2009-12-01 | 2010-09-15 | 江苏精达里亚阿尔岗琴工程线有限公司 | Composite conductor short circuit tester |
| CN102323510A (en) * | 2011-05-25 | 2012-01-18 | 中国兵器工业集团第七○研究所 | Rapid and reliable flat cable assembly detection device |
| CN203117339U (en) * | 2012-12-27 | 2013-08-07 | 河南省旭创力科技发展有限公司 | Multi-core flat cable detection apparatus |
| CN203164345U (en) * | 2013-01-28 | 2013-08-28 | 四川九洲电器集团有限责任公司 | Multi-core cable detector |
| CN206960587U (en) * | 2017-07-18 | 2018-02-02 | 保定赢泰电力工程有限公司 | Cable core detection means |
-
2018
- 2018-09-14 CN CN201811075112.8A patent/CN110907852A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388607Y (en) * | 1999-04-21 | 2000-07-19 | 深圳市中兴通讯股份有限公司 | Cable tester |
| CN201583616U (en) * | 2009-12-01 | 2010-09-15 | 江苏精达里亚阿尔岗琴工程线有限公司 | Composite conductor short circuit tester |
| CN102323510A (en) * | 2011-05-25 | 2012-01-18 | 中国兵器工业集团第七○研究所 | Rapid and reliable flat cable assembly detection device |
| CN203117339U (en) * | 2012-12-27 | 2013-08-07 | 河南省旭创力科技发展有限公司 | Multi-core flat cable detection apparatus |
| CN203164345U (en) * | 2013-01-28 | 2013-08-28 | 四川九洲电器集团有限责任公司 | Multi-core cable detector |
| CN206960587U (en) * | 2017-07-18 | 2018-02-02 | 保定赢泰电力工程有限公司 | Cable core detection means |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122732A (en) * | 2020-09-23 | 2020-12-25 | 西安微电子技术研究所 | Adapter plate and method for welding LCCC device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110907852A (en) | Switching device and short circuit detection method | |
| CN104316878A (en) | Detection apparatus for insulation between moulded-case battery pole and cover plate, and detection tool thereof | |
| CN211577399U (en) | Wiring harness conduction testing device | |
| WO2024055586A1 (en) | Alternating-current power battery assembly and control method | |
| CN108957056B (en) | Auxiliary device for measuring critical current under tensile stress of superconducting strip | |
| CN208085501U (en) | A kind of DC charging rifle of integrated signal circuit | |
| CN203405483U (en) | Test wire clamp | |
| CN104459224B (en) | Special joint for measuring handcart circuit breaker contact resistance | |
| CN207396542U (en) | Handcart type breaker loop resistance tests connection plug | |
| CN208127593U (en) | Thimble-type short-circuit tool | |
| CN206195248U (en) | Electrified bypass equipment who changes with equipment on pole multiloop shaft tower | |
| CN203895261U (en) | Combined wire end of short circuit wire of secondary circuit of current-voltage transformer | |
| CN209372901U (en) | EMC test multi-functional test desk | |
| CN112540197A (en) | Server power supply test fixture | |
| TW201235673A (en) | Power source connecting device | |
| CN207557457U (en) | The one transparent electric energy metering combined wiring box of bar coordinated type | |
| CN205282839U (en) | TV set extension line restraints | |
| CN214205979U (en) | Circuit board conveying frame set | |
| CN204882626U (en) | Semiconductor component's test centre gripping frock | |
| CN220603899U (en) | Short-circuit fault injection testing device | |
| US9915703B2 (en) | Voltage sensing system and method | |
| CN218601449U (en) | Wire harness testing device | |
| CN211293182U (en) | Battery test fixture and battery test device | |
| CN211605945U (en) | Electric wire and cable with wiring protection sleeve | |
| CN216209562U (en) | Transformer test device and equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200324 |
|
| RJ01 | Rejection of invention patent application after publication |