CN112198339A - A protection device exchanges analog input plug for laboratory - Google Patents
A protection device exchanges analog input plug for laboratory Download PDFInfo
- Publication number
- CN112198339A CN112198339A CN202010999338.8A CN202010999338A CN112198339A CN 112198339 A CN112198339 A CN 112198339A CN 202010999338 A CN202010999338 A CN 202010999338A CN 112198339 A CN112198339 A CN 112198339A
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- analog input
- protection device
- plug
- alternating current
- plugs
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- 239000002184 metal Substances 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 229920006351 engineering plastic Polymers 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
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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
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to an alternating current analog input plug for a protection device in a laboratory, which comprises a long-tail clamp type bracket and a group of alternating current analog input plugs, wherein the long-tail clamp type bracket comprises a bracket plate, two side clamping arms and clamping arm pressing rings, the alternating current analog input plugs are arranged on the two side clamping arms at intervals, the alternating current analog input plugs are Y-shaped plugs, the Y-shaped plugs are provided with connecting hole positions for clamping metal terminals of input connectors, and the Y-shaped plugs are connected with signal return lines. The alternating current analog input plug for the protection device in the laboratory has the advantages of low manufacturing material cost and convenience in operation, the long-tail clamp type support and the Y-shaped plug are matched to enable contact to be firmer, and the overall efficiency of the network access detection test of the protection device of the alternating current analog input plug is improved.
Description
Technical Field
The invention belongs to the technical field of alternating current analog input plug devices, relates to a protection device of an alternating current analog input plug, and particularly relates to an alternating current analog input plug of a protection device for a laboratory.
Background
At present, before a protection device installed in a transformer substation is installed on a local site, a laboratory network access detection test is performed in order to verify whether each function of the protection device meets the operation requirement of a power grid. Generally, a protection device installed in a transformer substation has a lot of alternating current analog input signals, and a signal loop of a device back plate has complex wiring and is generally finished according to a standard wiring process. As shown in fig. 1, each circuit wiring 1 has a circuit pin 2, and the circuit pin is inserted into an ac analog terminal block 3, and then the circuit pin is fixed by a fastening wiring screw, and the terminal block is designed to have a universal size standard.
However, in a laboratory, a wiring process flow of a substation field is not provided, and a special test wire and a test pin are required to replace a field wiring mode, as shown in fig. 1, the whole wiring process is long in use, and due to the fact that the space of a terminal block is limited, the problem that the test pin is loosened or the position of the test pin is connected in a wrong position often occurs, so that dangers such as short circuit and open circuit occur. Therefore, an alternating current analog input plug of the protection device for the laboratory is needed at present, the wiring process is optimized, and the network access detection test of the whole protection device is more efficient and safer.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the AC analog input plug of the protection device for the laboratory, which has reasonable design, is simple, practical, safe and efficient.
The technical problem to be solved by the invention is realized by the following technical scheme:
a protection device exchanges analog input plug for laboratory which characterized in that: the long-tail clamp type support comprises a support plate, two side clamping arms and clamping arm pressing rings, alternating current analog quantity input plugs are arranged on the two side clamping arms at intervals, the alternating current analog quantity input plugs are Y-shaped plugs, the Y-shaped plugs are provided with connecting hole positions for clamping metal terminals of input connectors, and the Y-shaped plugs are all connected with signal return lines.
And the Y-shaped plug and the long-tail clamp type two-side clamping arms are integrally formed.
And, the both sides arm lock is pressed from both sides the outside at input joint metal terminal row.
And the tail part of the Y-shaped plug is connected with the signal return line, and the signal return line is led out from the outer side of the clamping arm in sequence.
Moreover, the long-tail clamp type bracket is made of engineering plastics.
The invention has the advantages and beneficial effects that:
1. according to the alternating current analog input plug of the protection device for the laboratory, the long-tail clamp type support and the size and the spacing distance of the alternating current analog input plug are designed according to the standard outline size of the terminal row and the spacing distance of the metal terminals, when the plug is used, the long-tail clamp type support is manually opened, then the Y-shaped plug is aligned to the outer side of the metal terminals, the long-tail clamp type support is clamped on two sides of the terminal row, one end of a signal wire is led out from the tail of the Y-shaped plug, the other end of the signal wire is connected into a relay protection tester, and experimental detection can be carried.
2. The alternating current analog input plug for the protection device in the laboratory replaces the traditional test contact pin and a special test wire on the basis of ensuring the test process, simplifies the wiring process in the test by one bit, and improves the overall efficiency of the network access detection test of the protection device.
3. The alternating current analog input plug for the protection device in the laboratory has the advantages of low manufacturing material cost and convenient operation, the long-tail clamp type support and the Y-shaped plug are matched to ensure that the contact is firmer, and after the alternating current analog input plug for the protection device is used, the overall efficiency of the network access detection test of the protection device for the alternating current analog input plug is improved, so that the aims of safety and high efficiency are fundamentally fulfilled.
Drawings
FIG. 1 is a schematic diagram of a prior art configuration of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic structural view of the long-tail clip type stent of the present invention.
Description of the reference numerals
1-loop wiring, 2-loop contact pins, 3-alternating current analog quantity terminal strip, 4-signal return line, 5-two side clamping arms, 6-support plate, 7-alternating current analog quantity input plug, 8-connecting hole site and 9-clamping arm pressing ring.
Detailed Description
The present invention is further illustrated by the following specific examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.
The utility model provides a protection device exchanges analog input plug structure for laboratory, as shown in fig. 2, includes long tail clamp type support and a set of interchange analog input plug 7, and long tail clamp type support includes mounting panel 6, both sides arm lock 5 and arm lock clamping ring 9, and equal interval sets up the interchange analog input plug on the arm lock of both sides, and this exchanges analog input plug and be Y type plug, and Y type plug is provided with connection hole site 8. The Y-shaped plug and the long-tail clamp type two-side clamping arms are integrally formed, each Y-shaped plug is used as a supporting contact of an alternating current analog signal input connector, and the Y-shaped plug is connected with a signal return line 4. The Y-shaped plug is connected with the alternating current analog quantity signal source in a conducting mode through a signal return line.
The alternating current analog input plug adopts a Y-shaped plug, can effectively contact the metal terminal on the terminal row 3, and firmly clamps the Y-shaped plug on the metal terminal row by the long-tail clamp-type bracket. And meanwhile, the tail part of the Y-shaped plug is connected with a signal return line for exchanging an analog input signal source.
The clamp arms at two sides can be tightly clamped outside the metal terminal row. The tail of the Y-shaped plug is connected with a signal return line, and the signal return line is led out from the outer side of the clamping arm in sequence.
In this embodiment, long tail clip type support adopts engineering plastics, and hardness is high non-deformable, also possesses higher insulating nature simultaneously, guarantees that every Y type plug can not be with external even electricity or short circuit mutually.
In this embodiment, the metal terminal strip adopts a universal size standard in design, and by using the alternating current analog input plug, the metal terminal strip only needs to be aligned to the position of the metal terminal on the terminal strip every time, and the alternating current analog input plug is clamped, so that a large amount of wiring time is saved.
The working principle of the invention is as follows:
the invention designs the size and the spacing distance of the long-tail clamp type bracket and the alternating current analog input plug according to the standard outline size of the terminal row and the spacing distance of the metal terminals, when in use, the long-tail clamp type bracket is manually opened, then the Y-shaped plug is aligned to the outer side of the metal terminals, the long-tail clamp type bracket is clamped at two sides of the terminal row, one end of a signal wire is led out from the tail part of the Y-shaped plug, and the other end of the signal wire is connected with a relay protection tester.
Although the embodiments of the present invention and the accompanying drawings have been disclosed for illustrative purposes, those skilled in the art will appreciate that various substitutions, alterations, and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and thus the scope of the invention is not limited to the embodiments and drawings disclosed.
Claims (5)
1. A protection device exchanges analog input plug for laboratory which characterized in that: the long-tail clamp type support comprises a support plate, two side clamping arms and clamping arm pressing rings, alternating current analog quantity input plugs are arranged on the two side clamping arms at intervals, the alternating current analog quantity input plugs are Y-shaped plugs, the Y-shaped plugs are provided with connecting hole positions for clamping metal terminals of input connectors, and the Y-shaped plugs are all connected with signal return lines.
2. The protection device AC analog input plug for the laboratory according to claim 1, characterized in that: the Y-shaped plug and the long-tail clamp type two-side clamping arms are integrally formed.
3. The protection device AC analog input plug for the laboratory according to claim 1, characterized in that: the two side clamping arms are clamped at the outer side of the input connector metal terminal row.
4. The protection device AC analog input plug for the laboratory according to claim 1, characterized in that: the tail of the Y-shaped plug is connected with the signal return line, and the signal return line is led out from the outer side of the clamping arm in sequence.
5. The protection device AC analog input plug for the laboratory according to claim 1, characterized in that: the long-tail clamp type bracket is made of engineering plastics.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010999338.8A CN112198339A (en) | 2020-09-22 | 2020-09-22 | A protection device exchanges analog input plug for laboratory |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010999338.8A CN112198339A (en) | 2020-09-22 | 2020-09-22 | A protection device exchanges analog input plug for laboratory |
Publications (1)
Publication Number | Publication Date |
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CN112198339A true CN112198339A (en) | 2021-01-08 |
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CN202010999338.8A Pending CN112198339A (en) | 2020-09-22 | 2020-09-22 | A protection device exchanges analog input plug for laboratory |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104316733A (en) * | 2014-10-22 | 2015-01-28 | 国家电网公司 | Testing clamp of switch cabinet breaker loop resistor |
CN204479620U (en) * | 2015-03-21 | 2015-07-15 | 广西电网有限责任公司南宁供电局 | Eliminate the anti-interference clamp specially of surface current |
CN109580994A (en) * | 2018-11-27 | 2019-04-05 | 国家电网有限公司 | A kind of test wire jointer with voltage monitored and assist storage function |
CN110907668A (en) * | 2019-11-29 | 2020-03-24 | 国网天津市电力公司电力科学研究院 | Protection device for signal input connector of laboratory |
CN210572395U (en) * | 2019-07-23 | 2020-05-19 | 国网青海省电力公司检修公司 | Wiring clamp for mechanical characteristic test of circuit breaker |
CN211453695U (en) * | 2019-10-23 | 2020-09-08 | 国网辽宁省电力有限公司盘锦供电公司 | Portable electric energy quality testing tool |
CN213149024U (en) * | 2020-09-24 | 2021-05-07 | 国网青海省电力公司海东供电公司 | Test clamp for handcart type circuit breaker |
-
2020
- 2020-09-22 CN CN202010999338.8A patent/CN112198339A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104316733A (en) * | 2014-10-22 | 2015-01-28 | 国家电网公司 | Testing clamp of switch cabinet breaker loop resistor |
CN204479620U (en) * | 2015-03-21 | 2015-07-15 | 广西电网有限责任公司南宁供电局 | Eliminate the anti-interference clamp specially of surface current |
CN109580994A (en) * | 2018-11-27 | 2019-04-05 | 国家电网有限公司 | A kind of test wire jointer with voltage monitored and assist storage function |
CN210572395U (en) * | 2019-07-23 | 2020-05-19 | 国网青海省电力公司检修公司 | Wiring clamp for mechanical characteristic test of circuit breaker |
CN211453695U (en) * | 2019-10-23 | 2020-09-08 | 国网辽宁省电力有限公司盘锦供电公司 | Portable electric energy quality testing tool |
CN110907668A (en) * | 2019-11-29 | 2020-03-24 | 国网天津市电力公司电力科学研究院 | Protection device for signal input connector of laboratory |
CN213149024U (en) * | 2020-09-24 | 2021-05-07 | 国网青海省电力公司海东供电公司 | Test clamp for handcart type circuit breaker |
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Application publication date: 20210108 |
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