CN209043936U - 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
CN209043936U
CN209043936U CN201821184924.1U CN201821184924U CN209043936U CN 209043936 U CN209043936 U CN 209043936U CN 201821184924 U CN201821184924 U CN 201821184924U CN 209043936 U CN209043936 U CN 209043936U
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China
Prior art keywords
clamp plate
measure traverse
traverse line
head
directionally connected
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CN201821184924.1U
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Chinese (zh)
Inventor
李勋
安韵竹
艾精文
黄荣辉
胡子珩
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Shenzhen Power Supply Bureau Co Ltd
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Shandong University of Technology
Shenzhen Power Supply Bureau Co Ltd
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Abstract

The utility model 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 utility model, 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 utility model relates to Force system lightning protection fields, are grounded more particularly, to a kind of fast joint type electric system Measure 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 dry by effective contact area of adapter and detector bar in measurement It disturbs, and is grounded probe surface smoother, easily will slide and loosen around bare copper wire immediately above in ground connection probe, so that Measurement 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, can also 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 one The position of secondary ground connection probe, requires to repeat the cumbersome wiring processes such as trimming, wire stripping.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of fast joint type electric system earthmeters to connect Line apparatus can be grounded resistance meter and grounded screen, measure traverse line and ground connection probe etc. during earthmeter Position being quickly connected and dismantling, and improves measurement efficiency, and carrying is convenient, measurement effect is good.
In order to solve the above-mentioned technical problem, a kind of fast joint type electric system earthmeter provided by the utility model connects Line apparatus includes at least: strain insulator folder presss from both sides the measure traverse line being fixedly connected with the strain insulator, is set to the measure traverse line end Be bi-directionally connected head, 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 folder The end surface of plate is with tiny thorn-like protrusion;Torque spring is equipped between the upper clamp plate, lower clamp plate, torque spring supports Lean against the inside of lower clamp plate;Upper clamp plate, lower clamp plate, torque spring are attached by intermediate connecting shaft, measure traverse line one end The wire connection hole being disposed through on upper clamp plate bottom end is fixedly connected with strain insulator folder, and the other end of measure traverse line is connected to It is bi-directionally connected head;
The head that is bi-directionally connected includes positive contact and cathode connection, the positive contact be round rod type or it is hollow can be swollen Expanding, 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 Connection;
The " u "-shaped adapter, one end are " u "-shaped socket, positive contact are formed, with connecing for earth resistance tester Terminal carries out plug cooperation, and the other end is the cathode connection of circular cavity formula, matches 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 are bi-directionally connected head, and 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 " u "-shaped adapter Cathode connection 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 utility model embodiment, 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 utility model, due to using Dismountable strain insulator folder, measure traverse line extended line and " u "-shaped adapter, may be implemented earth resistance tester, grounded screen, The quick connection and disassembly at the positions such as measure traverse line and 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 The measurement accuracy of earthmeter.
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 illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the strain insulator folder in a kind of fast joint type electric system earthmeter termination provided by the utility model Structural schematic diagram;
Fig. 2 is the two-way company in a kind of fast joint type electric system earthmeter termination provided by the utility model Joint structure schematic diagram;
Fig. 3 is the " u "-shaped in a kind of fast joint type electric system earthmeter termination provided by the utility model Adapter structure schematic diagram.
Fig. 4 is the entirety in a kind of fast joint type electric system earthmeter termination provided by the utility model Connection 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, it protects 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
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model It describing clear and completely, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work Under all other embodiment obtained, fall within the protection scope of the utility model.
Here, it should also be noted that, in order to avoid having obscured the utility model because of unnecessary details, in the accompanying drawings It illustrate only the structure and/or processing step closely related with scheme according to the present utility model, and be omitted practical with this The little other details of new relationship.
A kind of embodiment of fast joint type electric system earthmeter termination provided by the utility model is as follows:
As shown in Figure 1, showing the utility model provides a kind of fast joint type electric system earthmeter termination Strain insulator folder structural schematic diagram, together combine Fig. 2 to Fig. 4 shown in.It in the embodiments of the present invention, includes at least: strain insulator Folder 1, the measure traverse line 5 being fixedly connected with strain insulator folder 1, be set to 5 end of measure traverse line is bi-directionally connected first 2, with And the first 2 " u "-shaped adapters 3 matched are bi-directionally connected with described;
As shown in Figure 1, strain insulator folder 1 includes upper clamp plate 11, lower clamp plate 12, torque spring 15, connecting shaft 14, thorn-like protrusion 13 Etc. structures;Wherein, upper clamp plate 11,12 structure of lower clamp plate are consistent, are integrally rectangle, and end surface is with 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, reduce the contact resistance of tie point, on the other hand, thorn-like protrusion 13 is whole arc-shaped, can clamp circle just Columnar ground connection probe and grounding body.Torque spring 15 is equipped between upper clamp plate 11, lower clamp plate 12, torque spring 15 is resisted against down The inside of clamping plate 12.Upper clamp plate 11, lower clamp plate 12, torque spring 15 are attached by the connecting shaft 14 among clamping plate, upper folder 11 bottom end of plate is connect with measure traverse line 5,5 one end of measure traverse line be disposed through wire connection hole 16 on 11 bottom end of upper clamp plate with Strain insulator folder 1 is fixedly connected, and 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, forms positive contact, is surveyed with ground resistance The binding post for trying instrument carries out plug cooperation;The other end is circular cavity formula cathode connection 32, for being bi-directionally connected first 2 with described Positive contact 21 matches.It is understood that positive contact 31 and cathode connection 32 are in inside in " u "-shaped adapter 3 It conducts, 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 be with By the way that various measurement of length conducting wire extended lines are made in advance, so as to so that the utility model is suitable for more applied fields.
As shown in figure 4, showing a kind of fast joint type electric system earthmeter wiring dress provided by the utility model The integrated connection schematic diagram of the one embodiment set.Wherein, the end of the measure traverse line 5 of strain insulator folder 1, which is connected to, is bi-directionally connected first 2, The both ends of second measure traverse line 4, which are connected separately with, is bi-directionally connected first 2.Wherein, 5 end of measure traverse line is bi-directionally connected first 2 and Two measure traverse lines, 4 one end is bi-directionally connected first 2 connected, the connections of realization strain insulator folder 1 and the second measure traverse line 4;Second measurement is led Being bi-directionally connected for 4 other end of line first 2 is connected with " u "-shaped adapter 3, realizes the company of the second measure traverse line and earth resistance tester It connects.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 utility model embodiment 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 utility model, due to using Dismountable strain insulator folder, measure traverse line extended line and " u "-shaped adapter, may be implemented earth resistance tester, grounded screen, The quick connection and disassembly at the positions such as measure traverse line and 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 The measurement accuracy of earthmeter.
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.
CN201821184924.1U 2018-07-25 2018-07-25 A kind of fast joint type electric system earthmeter termination Active CN209043936U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109085387A (en) * 2018-07-25 2018-12-25 深圳供电局有限公司 A kind of fast joint type electric system earthmeter termination

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109085387A (en) * 2018-07-25 2018-12-25 深圳供电局有限公司 A kind of fast joint type electric system earthmeter termination

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Effective date of registration: 20191121

Address after: Luohu District Shenzhen Shennan Road 518000 No. 4020 Guangdong provincial power dispatching center building

Patentee after: Shenzhen Power Supply Bureau Co., Ltd.

Address before: 518000 Electric Power Dispatching and Communication Building 4020 Shennan East Road, Luohu District, Shenzhen City, Guangdong Province

Co-patentee before: Shandong University of Technology

Patentee before: Shenzhen Power Supply Bureau Co., Ltd.