CN109085387A - A kind of fast joint type electric system earthmeter termination - Google Patents

A kind of fast joint type electric system earthmeter termination Download PDF

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Publication number
CN109085387A
CN109085387A CN201810827433.2A CN201810827433A CN109085387A CN 109085387 A CN109085387 A CN 109085387A CN 201810827433 A CN201810827433 A CN 201810827433A CN 109085387 A CN109085387 A CN 109085387A
Authority
CN
China
Prior art keywords
clamp plate
traverse line
measure traverse
head
directionally connected
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
CN201810827433.2A
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Chinese (zh)
Inventor
李勋
安韵竹
艾精文
黄荣辉
胡子珩
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.)
Shenzhen Power Supply Co ltd
Original Assignee
Shandong University of Technology
Shenzhen Power Supply Bureau 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 Shandong University of Technology, Shenzhen Power Supply Bureau Co Ltd filed Critical Shandong University of Technology
Priority to CN201810827433.2A priority Critical patent/CN109085387A/en
Publication of CN109085387A publication Critical patent/CN109085387A/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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

The invention discloses a kind of fast joint type electric system earthmeter terminations comprising: strain insulator folder is bi-directionally connected head, measure traverse line extended line and " u "-shaped adapter.Wherein, to may be implemented between connector, measure traverse line extended line and " u "-shaped adapter fast plugging assembling.Implement the present invention, the quick connection and disassembly at the positions such as earth resistance tester, grounded screen, measure traverse line and ground connection probe may be implemented;Each tie point firm stable, electrical-contact area is big, and the contact resistance of each tie point is small, improves the measurement accuracy of earthmeter.Each component part uses modularized design, can independently replace, and has batch production value.

Description

A kind of fast joint type electric system earthmeter termination
Technical field
The present invention relates to Force system lightning protection fields, more particularly, to a kind of fast joint type electric system earthmeter Termination.
Background technique
Grounded screen in electric system is to guarantee the important leverage of entire electrical system safety stable operation, wherein ground connection system Whether qualification is directly related to substation operation personnel, substation equipment maintenance and repair personnel's personal safety to the ground resistance of system.
For running electric power line pole tower, lower tower grounding net ground resistance is to guarantee its overvoltage protection Basic measures.The periodic detection for realizing tower grounding net ground resistance is one of groundwork content of transmission line of electricity O&M.
In addition, passing through geology, landform exploration, soil before grounding net of transformer substation, transmission line tower grounding network construction A series of measurement processes such as resistivity measurement just can determine that the design method of grounded screen.And geology, the landform of grounded screen measurement point The work such as exploration, soil resistivity measurement are required to earth resistance tester and carry out precise measurement.
Long-term electric system lightning protection field practical experience shows: what existing ground resistance measuring instrument itself was equipped with Ground connection probe, measure traverse line do not design special fastening means, and in-site measurement can only peel off the core of measure traverse line, will Copper stranded conductor is separately connected earth resistance tester and ground connection probe.
There are following shortcomings for current this connection method:
The first, it is not connected firmly, easily loosens;Due to being interfered in measurement by effective contact area of adapter and detector bar, And it is grounded probe surface smoother, easily will slide and loosen around bare copper wire immediately above in ground connection probe, so that surveying Amount result tends to occur very big drift phenomenon;
The second, each ground resistance measurement requires stripping measure traverse line and is attached, and not only breaks up conductor structure, also will cause The serious waste of material;
Third, measurement efficiency are low, and when measurement generally requires a large amount of time and connects each measuring device, and every replacement once connects The position of ground probe requires to repeat the cumbersome wiring processes such as trimming, wire stripping.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of fast joint type electric system earthmeter wiring dress It sets, the positions such as resistance meter and grounded screen, measure traverse line and ground connection probe can be grounded during earthmeter Be quickly connected and dismantle, improve measurement efficiency, and carry that convenient, measurement effect is good.
In order to solve the above technical problem, the present invention provides a kind of fast joint type electric system earthmeter wiring dress Set, include at least: strain insulator folder presss from both sides the measure traverse line being fixedly connected with the strain insulator, is set to the double of the measure traverse line end To connector, and with the " u "-shaped adapter for being bi-directionally connected head and matching;Wherein,
The strain insulator folder includes: upper clamp plate, lower clamp plate, torque spring, connecting shaft, thorn-like protrusion;Upper clamp plate and lower clamp plate End surface is with tiny thorn-like protrusion;Torque spring is equipped between the upper clamp plate, lower clamp plate, torque spring is resisted against The inside of lower clamp plate;Upper clamp plate, lower clamp plate, torque spring are attached by intermediate connecting shaft, and measure traverse line one end passes through The wire connection hole being set on upper clamp plate bottom end is fixedly connected with strain insulator folder, and the other end of measure traverse line is connected to double To connector;
The head that is bi-directionally connected includes positive contact and cathode connection, and the positive contact is round rod type or hollow inflatable Formula, the cathode connection are cavity;Difference is bi-directionally connected between the cathode connection of head and positive contact can head and the tail plug-in company It connects;
The " u "-shaped adapter, one end are " u "-shaped socket, form positive contact, the binding post with earth resistance tester Plug cooperation is carried out, the other end is the cathode connection of circular cavity formula, is matched with the positive contact for being bi-directionally connected head.
Preferably, outside between upper clamp plate, lower clamp plate is pressed from both sides in the strain insulator be provided with insulating sheath.
Preferably, described cathode connection one end for being bi-directionally connected head is provided with protection hole, the protection hole connects with cathode The cavity of head is connected.
Preferably, the other end of the measure traverse line is connected to by the protection hole and is bi-directionally connected on head.
Preferably, further comprise having:
Measure traverse line extended line, the extended line includes the second measure traverse line, and is connected to second measure traverse line both ends Be bi-directionally connected head, the end of second measure traverse line is connected with the cathode connection of a two-way connector respectively.
Preferably, the positive contact for being bi-directionally connected head and be connected to the survey that one end of second measure traverse line connects The cathode connection for being bi-directionally connected head of amount wire termination matches;
The positive contact for being bi-directionally connected head of the other end connection of second measure traverse line and the yin of the " u "-shaped adapter Pole connector matches.
Preferably, the strain insulator folder upper clamp plate, lower clamp plate, the positive contact for being bi-directionally connected head and cathode connection, institute The positive contact and cathode connection for stating " u "-shaped adapter are all made of metal material and are made, and mutually conduct in inside.
Implement the embodiment of the present invention, have it is following the utility model has the advantages that
Firstly, a kind of fast joint type electric system earthmeter termination provided by the invention, detachable due to using Strain insulator folder, measure traverse line extended line and " u "-shaped adapter, earth resistance tester, grounded screen, measure traverse line may be implemented And the quick connection and disassembly at the positions such as ground connection probe, improve measurement efficiency;
Secondly, each tie point firm stable of the device, electrical-contact area is big, and the contact resistance of each tie point is small, improves ground connection The measurement accuracy of measurement.
In addition, the earthmeter termination structure is simple, using modularized design, each section can independently more It changes, has the practical application value of die sinking batch production, can be widely applied to ground resistance, soil resistivity, geology landform The surveying setting-out in the fields such as exploration and take-up.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the strain insulator clamping structure in a kind of fast joint type electric system earthmeter termination provided by the invention Schematic diagram;
Fig. 2 is to be bi-directionally connected header structure in a kind of fast joint type electric system earthmeter termination provided by the invention Schematic diagram;
Fig. 3 is the " u "-shaped adapter knot in a kind of fast joint type electric system earthmeter termination provided by the invention Structure schematic diagram.
Fig. 4 is the integrated connection in a kind of fast joint type electric system earthmeter termination provided by the invention Schematic diagram.
Wherein: 1, strain insulator presss from both sides;11, strain insulator presss from both sides upper clamp plate;12, strain insulator presss from both sides lower clamp plate;13, detent projection;14, connecting shaft; 15, torque spring;16, wire connection hole;17, insulating sheath;
2, it is bi-directionally connected head;21, it is bi-directionally connected the positive contact of head;22, it is bi-directionally connected the cathode connection of head;23, protection hole;
3, " u "-shaped adapter;31, the " u "-shaped mouth of " u "-shaped adapter;32, the cathode connection of " u "-shaped adapter;
4, the second measure traverse line;5, measure traverse line.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear and complete Ground description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art without making creative work it is obtained it is all its Its embodiment, shall fall within the protection scope of the present invention.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only Show with closely related structure and/or processing step according to the solution of the present invention, and be omitted little with relationship of the present invention Other details.
A kind of embodiment of fast joint type electric system earthmeter termination provided by the invention is as follows:
As shown in Figure 1, showing the present invention provides a kind of strain insulator folder of fast joint type electric system earthmeter termination Structural schematic diagram, together combine Fig. 2 to Fig. 4 shown in.In the embodiment of the present invention, include at least: strain insulator folder 1, and it is described resistance to 1 measure traverse line 5 that is fixedly connected of folder, be set to 5 end of measure traverse line is bi-directionally connected first 2, and with it is described two-way The " u "-shaped adapter 3 that connector 2 matches;
As shown in Figure 1, strain insulator folder 1 includes the knot such as upper clamp plate 11, lower clamp plate 12, torque spring 15, connecting shaft 14, thorn-like protrusion 13 Structure;Wherein, upper clamp plate 11,12 structure of lower clamp plate are consistent, are integrally rectangle, and end surface has tiny thorn-like protrusion 13, For clamping grounded screen to be measured etc..Upper clamp plate 11,12 end of lower clamp plate raised 13 one side of thorn-like can increase and clamp object Contact area reduces the contact resistance of tie point, and on the other hand, thorn-like protrusion 13 is whole arc-shaped, can clamp cylinder just The ground connection probe and grounding body of shape.Torque spring 15 is equipped between upper clamp plate 11, lower clamp plate 12, torque spring 15 is resisted against lower folder The inside of plate 12.Upper clamp plate 11, lower clamp plate 12, torque spring 15 are attached by the connecting shaft 14 among clamping plate, upper clamp plate 11 bottom ends are connect with measure traverse line 5, and 5 one end of measure traverse line is disposed through wire connection hole 16 and institute on 11 bottom end of upper clamp plate It states strain insulator folder 1 to be fixedly connected, the other end, which is connected to, shown in Fig. 2 is bi-directionally connected first 2.
External force is destroyed and is worn in order to prevent, insulating sheath 17 can be arranged in outside between upper clamp plate 11, lower clamp plate 12, this Design is conducive to when carrying out impulse earthed resistance test, and the personal safety of protection test personnel prevents Overvoltage.
It is made of as shown in Fig. 2, being bi-directionally connected first 2 positive contact 21 and cathode connection 22, wherein positive contact 21 is circle Rod-type or hollow inflatable, cathode connection 22 are cavity structure.The cathode connection 22 that difference is bi-directionally connected first 2 connects with anode It can be connected from beginning to end between first 21, specific quick connection and the disassembly realized using plug-in connection method between different conductor.
Meanwhile first 2 are being bi-directionally connected simultaneously there are protection hole 23, the protection hole 23 is connected with the cavity of cathode connection 22 It is logical, the cavity of the blocking cathode connection such as soil, sandstone, clast is prevented, easy cleaning tamper extends the use for being bi-directionally connected head Service life.
In one embodiment, the other end of the measure traverse line 5 is connected to by the protection hole 23 and is bi-directionally connected first 2 On.
It is understood that being bi-directionally connected in first 2 each, positive contact 21 and cathode connection 22 are in internal conductance Logical, the two can be made of metal material, for example, can be made of anti-aging copper product.
Shown in Fig. 3,3 one end of " u "-shaped adapter is " u "-shaped socket 31, positive contact is formed, with earth resistance tester Binding post carry out plug cooperation;The other end be circular cavity formula cathode connection 32, for it is described be bi-directionally connected first 2 anode Connector 21 matches.It is understood that positive contact 31 and cathode connection 32 are in internal conductance in " u "-shaped adapter 3 Logical, the two can be made of metal material.
It is understood that in other examples, the fast joint type electric system earthmeter termination It further comprise having measure traverse line extended line, the extended line includes the second measure traverse line 4, and is connected to second measurement 4 both ends of conducting wire are bi-directionally connected first 2, the cathode connection 22 with a two-way connector 2 respectively of the end of second measure traverse line 4 It is connected.Specifically, second measure traverse line 4 one end connection be bi-directionally connected first 2 positive contact 21 and be connected to institute First 2 cathode connection 22 of being bi-directionally connected for stating 5 end of measure traverse line matches;The other end of second measure traverse line 4 connects First 2 positive contact 21 of being bi-directionally connected matched with the cathode connection 32 of the " u "-shaped adapter 3.It should be understood that can Various measurement of length conducting wire extended lines are made in advance to pass through, so as to so that the present invention is suitable for more applied fields.
As shown in figure 4, showing a kind of fast joint type electric system earthmeter termination provided by the invention The integrated connection schematic diagram of one embodiment.Wherein, the end of the measure traverse line 5 of strain insulator folder 1, which is connected to, is bi-directionally connected first 2, second The both ends of measure traverse line 4, which are connected separately with, is bi-directionally connected first 2.Wherein, 5 end of measure traverse line be bi-directionally connected first 2 and second survey Amount 4 one end of conducting wire is bi-directionally connected first 2 connected, the connections of realization strain insulator folder 1 and the second measure traverse line 4;Second measure traverse line 4 is another Being bi-directionally connected for one end first 2 is connected with " u "-shaped adapter 3, realizes the connection of the second measure traverse line and earth resistance tester.? When strain insulator folder 1 clamps grounded screen to be measured, to be grounded being electrically connected between resistance meter and grounded screen to be measured.
To sum up, the embodiment of the present invention have it is following the utility model has the advantages that
Firstly, a kind of fast joint type electric system earthmeter termination provided by the invention, detachable due to using Strain insulator folder, measure traverse line extended line and " u "-shaped adapter, earth resistance tester, grounded screen, measure traverse line may be implemented And the quick connection and disassembly at the positions such as ground connection probe, improve measurement efficiency;
Secondly, each tie point firm stable of the device, electrical-contact area is big, and the contact resistance of each tie point is small, improves ground connection The measurement accuracy of measurement.
In addition, the earthmeter termination structure is simple, using modularized design, each section can independently more It changes, has the practical application value of die sinking batch production, can be widely applied to ground resistance, soil resistivity, geology landform The surveying setting-out in the fields such as exploration and take-up.
Be described in above-described embodiment to illustrate this patent, though text in be illustrated by specific term, not The protection scope that this patent can be limited with this, be familiar with this technical field personage can understand this patent spirit with it is right after principle It changes or modifies and reaches equivalent purpose, and this equivalent change and modification, should all be covered by scope of the claims institute circle Determine in scope.

Claims (7)

1. a kind of fast joint type electric system earthmeter termination, which is characterized in that include at least: strain insulator folder, with institute State strain insulator and press from both sides the measure traverse line that is fixedly connected, be set to the head that is bi-directionally connected of the measure traverse line end, and with it is described two-way The " u "-shaped adapter that connector matches;Wherein,
The strain insulator folder includes: upper clamp plate, lower clamp plate, torque spring, connecting shaft, thorn-like protrusion;Upper clamp plate and lower clamp plate End surface is with tiny thorn-like protrusion;Torque spring is equipped between the upper clamp plate, lower clamp plate, torque spring is resisted against The inside of lower clamp plate;Upper clamp plate, lower clamp plate, torque spring are attached by intermediate connecting shaft, and measure traverse line one end passes through The wire connection hole being set on upper clamp plate bottom end is fixedly connected with strain insulator folder, and the other end of measure traverse line is connected to double To connector;
The head that is bi-directionally connected includes positive contact and cathode connection, and the positive contact is round rod type or hollow inflatable Formula, the cathode connection are cavity;Difference is bi-directionally connected between the cathode connection of head and positive contact can head and the tail plug-in company It connects;
The " u "-shaped adapter, one end are " u "-shaped socket, form positive contact, the binding post with earth resistance tester Plug cooperation is carried out, the other end is the cathode connection of circular cavity formula, is matched with the positive contact for being bi-directionally connected head.
2. device as described in claim 1, which is characterized in that press from both sides outside setting between upper clamp plate, lower clamp plate in the strain insulator There is insulating sheath.
3. device as claimed in claim 2, which is characterized in that described cathode connection one end for being bi-directionally connected head is provided with guarantor Guard aperture, the protection hole are connected with the cavity of cathode connection.
4. device as claimed in claim 3, which is characterized in that the other end of the measure traverse line is connected by the protection hole To being bi-directionally connected on head.
5. device as claimed in claim 4, which is characterized in that further comprise having:
Measure traverse line extended line, the extended line includes the second measure traverse line, and is connected to second measure traverse line both ends Be bi-directionally connected head, the end of second measure traverse line is connected with the cathode connection of a two-way connector respectively.
6. device as claimed in claim 5, which is characterized in that one end connection of second measure traverse line is bi-directionally connected head Positive contact matched with the cathode connection for being bi-directionally connected head for being connected to the measure traverse line end;
The positive contact for being bi-directionally connected head of the other end connection of second measure traverse line and the yin of the " u "-shaped adapter Pole connector matches.
7. device as claimed in claim 6, which is characterized in that strain insulator folder upper clamp plate, described is bi-directionally connected head at lower clamp plate Positive contact and cathode connection, the positive contact of the " u "-shaped adapter and cathode connection be all made of metal material and be made, and It is mutually conducted in inside.
CN201810827433.2A 2018-07-25 2018-07-25 A kind of fast joint type electric system earthmeter termination Pending CN109085387A (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007192705A (en) * 2006-01-20 2007-08-02 Yokogawa Electric Corp Measuring probe
CN201397364Y (en) * 2008-12-09 2010-02-03 武汉市华天电力自动化有限责任公司 Double-clamp multi-function grounding resistance test instrument
JP2013088197A (en) * 2011-10-14 2013-05-13 East Japan Railway Co Auxiliary tool for cable for railroad signal equipment voltage measurement and measuring method
JP2014168325A (en) * 2013-02-28 2014-09-11 Noda Shoji Kk Extension booster cable
CN204142947U (en) * 2014-09-28 2015-02-04 国家电网公司 Secondary terminals shorting stub is used in mutual inductor test
CN104483552A (en) * 2014-12-10 2015-04-01 云南电网公司电力科学研究院 Practical transformer insulation resistance measurement device
CN104577623A (en) * 2015-01-23 2015-04-29 国家电网公司 Universal type grounding wire operation rod
CN106841815A (en) * 2017-03-28 2017-06-13 电子科技大学 A kind of power line steel tower earth resistance In-circiut tester based on voltage drive
CN108092034A (en) * 2018-02-09 2018-05-29 广东电网有限责任公司珠海供电局 A kind of switching pull-plug device for quickly accessing secondary terminals row
CN209043936U (en) * 2018-07-25 2019-06-28 深圳供电局有限公司 A kind of fast joint type electric system earthmeter termination

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007192705A (en) * 2006-01-20 2007-08-02 Yokogawa Electric Corp Measuring probe
CN201397364Y (en) * 2008-12-09 2010-02-03 武汉市华天电力自动化有限责任公司 Double-clamp multi-function grounding resistance test instrument
JP2013088197A (en) * 2011-10-14 2013-05-13 East Japan Railway Co Auxiliary tool for cable for railroad signal equipment voltage measurement and measuring method
JP2014168325A (en) * 2013-02-28 2014-09-11 Noda Shoji Kk Extension booster cable
CN204142947U (en) * 2014-09-28 2015-02-04 国家电网公司 Secondary terminals shorting stub is used in mutual inductor test
CN104483552A (en) * 2014-12-10 2015-04-01 云南电网公司电力科学研究院 Practical transformer insulation resistance measurement device
CN104577623A (en) * 2015-01-23 2015-04-29 国家电网公司 Universal type grounding wire operation rod
CN106841815A (en) * 2017-03-28 2017-06-13 电子科技大学 A kind of power line steel tower earth resistance In-circiut tester based on voltage drive
CN108092034A (en) * 2018-02-09 2018-05-29 广东电网有限责任公司珠海供电局 A kind of switching pull-plug device for quickly accessing secondary terminals row
CN209043936U (en) * 2018-07-25 2019-06-28 深圳供电局有限公司 A kind of fast joint type electric system earthmeter termination

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