CN112198339A - A protection device exchanges analog input plug for laboratory - Google Patents

A protection device exchanges analog input plug for laboratory Download PDF

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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
Authority
CN
China
Prior art keywords
analog input
protection device
plug
alternating current
plugs
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
Application number
CN202010999338.8A
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Chinese (zh)
Inventor
韩磊
袁中琛
杜明
赵玉新
黄潇潇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
Electric Power Research Institute of State Grid Tianjin Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
Electric Power Research Institute of State Grid Tianjin Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Tianjin Electric Power Co Ltd, Electric Power Research Institute of State Grid Tianjin Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202010999338.8A priority Critical patent/CN112198339A/en
Publication of CN112198339A publication Critical patent/CN112198339A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/06Measuring leads; Measuring probes
    • G01R1/067Measuring probes
    • G01R1/073Multiple 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

A protection device exchanges analog input plug for laboratory
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.
CN202010999338.8A 2020-09-22 2020-09-22 A protection device exchanges analog input plug for laboratory Pending CN112198339A (en)

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
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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CN (1) CN112198339A (en)

Citations (7)

* Cited by examiner, † Cited by third party
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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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