CN105842491A - Test terminal needle - Google Patents
Test terminal needle Download PDFInfo
- Publication number
- CN105842491A CN105842491A CN201610164558.2A CN201610164558A CN105842491A CN 105842491 A CN105842491 A CN 105842491A CN 201610164558 A CN201610164558 A CN 201610164558A CN 105842491 A CN105842491 A CN 105842491A
- Authority
- CN
- China
- Prior art keywords
- needle
- arm
- upper arm
- metal needle
- underarm
- 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.)
- Granted
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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
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/06705—Apparatus for holding or moving single probes
Abstract
The invention discloses a test terminal needle. The test terminal needle comprises two symmetrical needle bodies; the two needle bodies are in rotatable connection through a hinge pin; each needle body comprises a hook type shell, a metal needle and an insulation lifting cap; a plugging opening used for connecting a conventional test line is formed in each insulation lifting cap; each metal needle vertically passes through the lower end of a shell body at the upper part of the corresponding hook type shell and extends out from a corresponding spring; the hook type shell includes upper arms and lower arms; each upper arm is of a horizontal L-shaped structure; each lower arm is of a vertical L-shaped structure; the upper arms and the lower arms are combined to form a U-shaped structure; the vertical ends of the lower arms can move up and down along the vertical ends of the upper arms; slide grooves are formed at the tops of the upper arms; fastening screws are installed in the slide grooves; connection gaskets are arranged between the fastening screws and the metal needles; and the top end of each spring is fixedly connected with a corresponding connection gasket so as to form an integrated body. With the test terminal needle of the invention adopted, fast and safe connection of test lines and measured voltage terminals in relay protection operation can be realized. The test terminal needle has the advantages of safe and convenient use and wide use.
Description
Technical field
The present invention relates to electric relay protection, debugging application apparatus field, be specifically related to operating back
The testing terminal pin of application in the process of the test of road and voltage circuit.
Background technology
In Commissioning of Relay Protection, process of the test, especially operation circuit and the test of voltage circuit
During, need to install test apparatus wiring on the terminal connected.Conventional electric current is returned
Road, the end of test wire is directly inserted into current terminal；And for voltage terminal, owing to not having
Effective manner connects, it is generally required to first remove part line, is opened by terminal, then with test
Line is incorporated to terminal with 1.5mm terminal pins after being connected, whole wiring process is complicated, dangerous.
For solving the safety and firmness connectivity problem of test wire and tested voltage terminal, designer does
A lot of fruitful effort, also have devised outstanding technical scheme.As it is shown in figure 1,2015
The Application No. 201520412092.4 of the December Decree of Patent Office of China, entitled " experiment terminal pins "
Utility model patent structure chart, the technical scheme that this technology is used effectively solves test wire
When being connected with tested terminal, wiring big problem complicated, dangerous, improves test wire and tested electricity
The connection speed of pressure side, reduces the security risk in connection procedure.But, there is also deficiency
Part, one is that voltage terminal includes positive and negative two terminals, uses the experiment terminal pins of this conceptual design
Once can only carry out the connection of single test line and voltage terminal, two terminals need to carry out respectively two
Secondary operation, causes process of the test loaded down with trivial details, inefficiency；Two is the experiment terminal pins in this programme
With voltage port seat by snap fit clamping, and the position of clamping up and down of snap fit is inconvenient to regulate, it is impossible to
Flexible Application is carried out according to different voltage port seats.
Summary of the invention
It is an object of the invention to provide a kind of novel testing terminal pin, it is achieved relay protection operation
The connection that middle test wire and tested voltage terminal fast and safely consolidate, and can be to testing terminal pin and electricity
The link position of pressure port holder is adjusted, to adapt to different types of voltage port seat.
The present invention solves above-mentioned technical problem by the following technical programs:
A kind of testing terminal pin, including two symmetrical needle bodies, runs through slotting by end between needle body
The joint pin entered mutually is rotatably connected, and needle body is each other for pivot joint；
Described needle body includes that the insulation on hook shell, metal needle and metal needle top carries cap, outside hook
Shell is formed by engineering plastics die casting, and metal needle is formed by metal casting.Described insulation is provided with in carrying cap
And the interface between routine test line, inserts interface by routine test line, can be connected with needle body；
The housing lower end that described metal needle passes perpendicularly through above hook-type shell passes through spring, the axis of spring
Dead in line with metal needle；
Described hook shell is combined by upper arm and underarm, and described upper arm is horizontal L-type structure,
Underarm is vertical L-type structure, and the vertical end of upper arm and underarm cooperation composition U-shape structure and underarm can
Vertical end along upper arm moves up and down；
The top of described upper arm is provided with chute, is provided with trip bolt, trip bolt and gold in chute
Belonging to and be provided with attachment spacers between pin, trip bolt is connected as a single entity by attachment spacers with metal needle, described
The top of spring is fixing with attachment spacers to be connected, can be by connecting when trip bolt moves in chute
Pad drives metal needle and spring to move.
The present invention arranges two symmetrical needle bodies, respectively the positive and negative terminals of corresponding voltage port holder, logical
Overregulate the trip bolt in needle body upper arm chute, make metal needle correspondence insert the company of voltage port seat
Connect hole, thus turn on the terminal within voltage port seat.The present invention solves existing test pin one
Secondary joint test line and the problem of the tested voltage terminal of one pole so that test wire and voltage terminal
Connect more quick and convenient.The underarm of needle body plays the effect of fixing needle body and voltage port seat, logical
Overregulate needle body underarm vertical end to move along the vertical end of upper arm, make terminal pins adapt to different size class
The voltage port seat of type, increases the extensive and motility used.
Based on such scheme, the present invention has also done following improvement and optimization:
The transverse end front of described upper arm indicates distance scale, and the bottom of pad embeds and is provided with sensing
The pointer of distance scale, the end extended line of described pointer is through the central axis of metal needle.Should be away from
The position of tested voltage terminal on voltage port seat, and then positioning runner can be measured accurately from scale
Interior metal needle so that it is insert the connecting hole within voltage port seat accurately.
The bottom of described chute has the strip hole making metal needle pass, and the two ends of spring top are symmetrical
Being provided with hook arm, the centerline axis parallel of hook arm and spring also upwardly extends, and sequentially passes through strip hole
And chute, it is fixed in described attachment spacers.Metal needle and spring are all fixing with attachment spacers to be connected,
Therefore trip bolt can drive metal needle by attachment spacers when moving in chute and spring moves and really
Protect metal needle to fix with the relative position of spring.
The vertical end side opening of described upper arm and underarm is provided with identical Long Circle through hole, and through hole is built-in
Be furnished with two bolts being distributed up and down, the vertical end of upper arm and underarm connected by screw bolt and nut and
Underarm can be made to move up and down along upper arm by regulation screw bolt and nut.
Described insulation carries the inwall of cap and is provided with conductive layer, and routine test line inserts insulation and proposes the grafting of cap
After Kou, turned on the metal needle carried below cap by conductive layer, and then the voltage inserted with metal needle
Port holder internal terminal turns on, thus realizes outside test wire and be connected with the conducting within voltage terminal.
The transverse end of described underarm includes principal arm and the auxiliary arm of level being connected with principal arm, the inside of principal arm
Be threaded through hole, in tapped through hole, be equipped with regulation bolt, the inner face of the auxiliary arm of level be provided with
The tapped blind hole that regulation bolt matches, is connected as a single entity with principal arm by the regulation auxiliary arm of bolt level.
The end of the auxiliary arm of described level arranges snap fit upward, testing terminal pin can be fixed on voltage
In port holder.
The beneficial effects of the present invention is:
1, the present invention arranges two symmetrical needle bodies, respectively the positive and negative terminals of corresponding voltage port holder,
Trip bolt in regulation needle body upper arm chute, makes metal needle lower end and the voltage in voltage port seat
Termination contact turns on.This invention solves the single needle body problem that existing terminal pins exists, i.e. for electricity
Positive and negative two terminals of pressure, need to be attached by two existing terminal pins.The present invention is by one
Two needle bodies are set in individual terminal pins so that the connection between test wire and voltage terminal is quicker
Convenient, improve the work efficiency of relay protection operating personnel.
2, needle body shell includes upper arm and underarm, and upper arm plays the effect of balanced support needle body, underarm
Playing the effect of fixing needle body and voltage port seat, the vertical end of underarm can be in the vertical end of upper arm
Lower movement, in order to regulate the vertical distance of underarm and voltage port seat, makes terminal pins adapt to difference rule
The voltage port seat of lattice type.Meanwhile, the transverse end of underarm is provided with the auxiliary arm of level, in order to regulate
Underarm and the lateral separation of voltage port seat, play the effect of the most fixing needle body and voltage port.
3, needle body upper arm indicates distance scale and points to the pointer of distance scale, it is simple to fast and accurately
Measure the metal needle in the position of tested voltage terminal on voltage port seat, and then quick positioning runner,
Make its connecting hole inserted accurately within voltage port seat turn on terminal inner, save test
Line and the Connection Time of voltage terminal.
4, the two ends of spring top are symmetrical arranged hook arm, the centerline axis parallel of hook arm and spring and to
Upper extension is fixed to attachment spacers.Metal needle and spring are all connected with attachment spacers so that metal needle
When moving in chute, spring is driven to do by attachment spacers corresponding mobile, it is ensured that metal needle and bullet
The relative position of spring is fixed.
Accompanying drawing explanation
Fig. 1 is existing testing terminal needle construction schematic diagram；
Fig. 2 is testing terminal needle construction schematic diagram of the present invention；
Fig. 3 is upper arm top section structural representation in Fig. 2；
Fig. 4 is the top view of Fig. 2；
Fig. 5 is that in Fig. 2, needle body turns on structural representation；
Fig. 6 is testing terminal pin of the present invention and voltage port seat connection diagram；
Reference: 1-configuration shell, 11-upper arm, 12-underarm, 121-principal arm, 122-level is auxiliary
Arm, 13-chute, 14-trip bolt, 15-attachment spacers, 16-pointer, 2-metal needle, 3-carries cap,
31-interface, 4-spring, 41-hook arm.
Detailed description of the invention
The following is the specific embodiment of the present invention, and combine accompanying drawing technical scheme is made into
The description of one step, but the present invention is not limited to this embodiment.
As in figure 2 it is shown, one testing terminal pin of the present invention, in reaying protection test test wire with
The connection of tested voltage terminal.Testing terminal pin includes two symmetrical needle bodies, and needle body passes through in end
Mutually it is rotatably attached in the hinge of the joint pin with axial restraint interted, and two needle bodies
Between only can be mutually pivotable.Needle body includes by the hook shell 1 of engineering plastics die casting, metal casting
The metal needle 2 made and the insulation on metal needle top carry cap 3.Insulation is provided with in carrying cap 3 and conventional examination
Test the interface 31 between line, routine test line is inserted interface, can be connected with needle body.Metal
Pin 2 passes perpendicularly through the housing lower end of hook-type shell upper end and passes through spring 4, the central axis of metal needle
Dead in line with spring.
Insulation carries the inwall of cap 3 and is provided with conductive layer, and routine test line inserts insulation and carries the interface of cap
After, turned on the metal needle 2 carried below cap by conductive layer, and then the voltage end inserted with metal needle
Mouth seat internal terminal conducting, it is achieved outside test wire is connected with the conducting within voltage terminal.
Hook shell 1 includes upper arm 11 and underarm 12, and upper arm 11, in horizontal L-shaped structure, plays flat
Weighing apparatus supports the effect of needle body, and underarm 12, in vertical L-shaped structure, plays fixing needle body and voltage port
The effect of seat, upper arm and underarm coordinate composition U-shape structure.The vertical end side opening of upper arm and underarm
Be provided with identical Long Circle through hole, in through hole, be equipped with two bolts being distributed up and down, upper arm and under
Fixed by screw bolt and nut between the vertical end of arm and underarm can be made along upper by regulation bolt and nut
Arm moves up and down, and plays the effect of regulation hook shell side arm lengths, makes terminal pins adapt to difference rule
The voltage port seat of lattice type.
As shown in Figure 3-4, the top of upper arm 11 is provided with chute 13, is provided with trip bolt 14 in chute,
Attachment spacers 15 it is provided with, by attachment spacers trip bolt and gold between trip bolt 14 and metal needle 2
Belong to pin to be connected as a single entity.Trip bolt drives metal needle to move in chute by attachment spacers, and will
Metal needle is fixed to desired location.The bottom of chute has the strip hole making metal needle pass, spring 4
The two ends at top are arranged with hook arm 41, and hook arm 41 is parallel with the axis of spring 4 and upwardly extends, and depends on
Secondary through strip hole with chute, it is fixed in attachment spacers 15.Metal needle 2 and spring 4 all be connected
Pad is fixing to be connected, when metal needle 2 moves in chute, by attachment spacers drive spring 4 with
Do synchronizing moving with metal needle 2, keep the central axis of metal needle all the time with the dead in line of spring 4.
As it is shown on figure 3, the transverse end front of upper arm indicates distance scale, the bottom of attachment spacers 15 is embedding
Entering to be provided with the pointer 16 of indicating graduation value, the end extended line of pointer is through the central shaft of metal needle
Line the front vertical with upper arm transverse end.This distance scale can be measured on voltage port seat accurately
The position of tested voltage terminal, and then the metal needle in positioning runner so that it is insert voltage accurately
Connecting hole within port holder.
The transverse end of underarm 12 includes principal arm 121 and the auxiliary arm of level 122 being connected with principal arm, principal arm
Inside is threaded through hole, is equipped with regulation bolt in tapped through hole, and the inner face of the auxiliary arm of level sets
There is the tapped blind hole matched with regulation bolt, be linked as one by the regulation auxiliary arm of bolt level with principal arm
Body.The setting of the auxiliary arm of level, plays the lateral separation of regulation underarm and voltage port seat, preferably
Fixing needle body and the effect of voltage port.The end of the auxiliary arm of level 122 arranges snap fit upward, is used for
Testing terminal pin is clamped on voltage port seat.
As seen in figs. 5-6, during use, first insulation carrying cap 3 and mentions, two needle bodies are around bearing pin
Unscrew, buckles into terminal pins to voltage port seat；Then regulate on the left of upper arm 11 and principal arm 121
Regulation bolt, make the snap fit of level auxiliary arm 122 end be connected in voltage port seat；Next adjust
Trip bolt 14 in markingoff pin body upper arm chute 13, makes metal needle lower end and the electricity in voltage port seat
Pressure termination contact conducting；Finally routine test line is inserted insulation and carry the interface 31 of cap, by leading
Electric layer routine test line turns on the metal needle 2 carried below cap, and then the voltage end inserted with metal needle
Mouth seat internal terminal conducting, it is achieved outside test wire is connected with the conducting within voltage terminal.
Present invention achieves test wire and tested voltage terminal in relay protection operation fast and safely to consolidate
Connection, and by the structure of testing terminal pin is regulated, adapt to different types of voltage port seat,
Safe and convenient to use, it is widely used.
The technology contents of the most detailed description of the present invention is known technology.
Claims (7)
1. a testing terminal pin, it is characterised in that include two symmetrical needle bodies, needle body
Between run through the joint pin of insertion by end and be mutually rotatably connected；
Described needle body includes that the insulation on hook shell, metal needle and metal needle top carries cap, described
Insulation is provided with the interface between routine test line terminals pin in carrying cap, and described metal needle is vertical
Housing lower end above hook-type shell passes through spring；
Described hook shell includes that upper arm and underarm, described upper arm are horizontal L-type structure, under
Arm is vertical L-type structure, and upper arm and underarm coordinate composition U-shape structure and the vertical end of underarm
Can move up and down along the vertical end of upper arm；
The top of described upper arm is provided with chute, is provided with trip bolt in chute, trip bolt with
Connecting between metal needle has pad, the top of described spring to be connected to one with pad, tightly
Gu metal needle and spring can be driven to move by pad when screw moves in chute.
Testing terminal pin the most according to claim 1, it is characterised in that described upper arm
Transverse end front indicates distance scale, and the bottom of described pad embeds and is provided with sensing distance scale
Pointer, the end extended line of described pointer is through the central axis of metal needle.
Testing terminal pin the most according to claim 1, it is characterised in that described chute
Bottom has the strip hole making metal needle pass, and the two ends of described spring top are symmetrically arranged with hook
Arm, the centerline axis parallel of hook arm and spring also upwardly extends, sequentially passes through strip hole and chute,
It is fixedly connected on described pad.
Testing terminal pin the most according to claim 1, it is characterised in that described upper arm and
The vertical end side opening of underarm is provided with identical Long Circle through hole, is equipped with and is distributed up and down in through hole
Two bolts, the vertical end of upper arm and underarm connected by screw bolt and nut and by regulation spiral shell
Screw bolt and nut can make underarm move up and down along upper arm.
Testing terminal pin the most according to claim 1, it is characterised in that described insulation carries
The inwall of cap is provided with conductive layer, after routine test line terminals pin inserts the interface that insulation carries cap,
Turned on metal needle by conductive layer.
Testing terminal pin the most according to claim 1, it is characterised in that described underarm
Transverse end includes principal arm and the auxiliary arm of level being connected with principal arm, and the inside of principal arm is threaded logical
Hole, is equipped with regulation bolt in tapped through hole, the auxiliary arm of level is linked as with principal arm by regulation bolt
Integrally, the end of the auxiliary arm of described level is provided with snap fit upward.
Testing terminal pin the most according to claim 1, it is characterised in that described needle body phase
For pivot joint between Hu.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164558.2A CN105842491B (en) | 2016-03-22 | 2016-03-22 | Testing terminal needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164558.2A CN105842491B (en) | 2016-03-22 | 2016-03-22 | Testing terminal needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105842491A true CN105842491A (en) | 2016-08-10 |
| CN105842491B CN105842491B (en) | 2019-01-04 |
Family
ID=56587912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610164558.2A Expired - Fee Related CN105842491B (en) | 2016-03-22 | 2016-03-22 | Testing terminal needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105842491B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345973A (en) * | 2017-06-12 | 2017-11-14 | 广东电网有限责任公司揭阳供电局 | It is a kind of that there is the new test terminal and custom plug-in for preventing non-short circuit from missing break function |
| CN109655638A (en) * | 2018-11-28 | 2019-04-19 | 广东电网有限责任公司 | A kind of secondary terminals row test connection fixing device |
| CN110554222A (en) * | 2019-09-29 | 2019-12-10 | 贵州电网有限责任公司 | Short circuit and auxiliary grounding wiring device with adjustable angle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513066A (en) * | 2013-09-25 | 2014-01-15 | 国家电网公司 | Novel and special three-jaw testing wire clamp for relay protection |
| CN204188654U (en) * | 2014-10-23 | 2015-03-04 | 中国南方电网有限责任公司超高压输电公司广州局 | A kind of relay protection terminal block clamp |
| CN104991092A (en) * | 2015-06-16 | 2015-10-21 | 国网山东昌乐县供电公司 | Secondary protection test terminal row adaptor |
| CN204832249U (en) * | 2015-06-15 | 2015-12-02 | 国网山东章丘市供电公司 | Experiment terminal needle |
| CN204884858U (en) * | 2015-08-29 | 2015-12-16 | 山东省金曼克电气集团股份有限公司 | Positioner of iron core is folded to transformer |
-
2016
- 2016-03-22 CN CN201610164558.2A patent/CN105842491B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513066A (en) * | 2013-09-25 | 2014-01-15 | 国家电网公司 | Novel and special three-jaw testing wire clamp for relay protection |
| CN204188654U (en) * | 2014-10-23 | 2015-03-04 | 中国南方电网有限责任公司超高压输电公司广州局 | A kind of relay protection terminal block clamp |
| CN204832249U (en) * | 2015-06-15 | 2015-12-02 | 国网山东章丘市供电公司 | Experiment terminal needle |
| CN104991092A (en) * | 2015-06-16 | 2015-10-21 | 国网山东昌乐县供电公司 | Secondary protection test terminal row adaptor |
| CN204884858U (en) * | 2015-08-29 | 2015-12-16 | 山东省金曼克电气集团股份有限公司 | Positioner of iron core is folded to transformer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345973A (en) * | 2017-06-12 | 2017-11-14 | 广东电网有限责任公司揭阳供电局 | It is a kind of that there is the new test terminal and custom plug-in for preventing non-short circuit from missing break function |
| CN107345973B (en) * | 2017-06-12 | 2023-03-24 | 广东电网有限责任公司揭阳供电局 | Test terminal with function of preventing short circuit and false disconnection and special plug-in |
| CN109655638A (en) * | 2018-11-28 | 2019-04-19 | 广东电网有限责任公司 | A kind of secondary terminals row test connection fixing device |
| CN109655638B (en) * | 2018-11-28 | 2024-03-29 | 广东电网有限责任公司 | Secondary terminal strip test wiring fixing device |
| CN110554222A (en) * | 2019-09-29 | 2019-12-10 | 贵州电网有限责任公司 | Short circuit and auxiliary grounding wiring device with adjustable angle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105842491B (en) | 2019-01-04 |
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Granted publication date: 20190104 Termination date: 20200322 |