CN209247829U - Test tool case and auxiliary test tool - Google Patents
Test tool case and auxiliary test tool Download PDFInfo
- Publication number
- CN209247829U CN209247829U CN201821798731.5U CN201821798731U CN209247829U CN 209247829 U CN209247829 U CN 209247829U CN 201821798731 U CN201821798731 U CN 201821798731U CN 209247829 U CN209247829 U CN 209247829U
- Authority
- CN
- China
- Prior art keywords
- test
- support rod
- test instrument
- instrument case
- rod
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 164
- 238000002474 experimental method Methods 0.000 claims abstract description 21
- 239000004020 conductor Substances 0.000 claims description 24
- 230000008859 change Effects 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 8
- 239000011810 insulating material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 230000004308 accommodation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
A test tool box and an auxiliary test tool belong to the technical field of electric power tests. The test tool box comprises a box body, a support rod and a grounding end. The case includes an inner surface and an outer surface. The inner surface encloses a receiving cavity for receiving a plurality of test tools. The accommodation chamber can be repeatedly opened and closed. The support bar is capable of conducting electricity. The ground terminal is connected to the outer surface. The test kit comprises a test state and a carrying state. When the test tool box is in a test state, one end of the supporting rod is connected with the outer surface, the other end of the supporting rod is used for supporting a test object, and the grounding end is electrically connected with the supporting rod. When the test tool box is in a carrying state, the supporting rod is accommodated in the accommodating cavity. The auxiliary test tool comprises a test power supply and the test tool box, and the test power supply and the test tool box are arranged in a split mode. This test tool case can provide supplementary support for the unsettled experiment of test object in the testing process needs to can accomodate auxiliary fixtures. The auxiliary test tool can facilitate the test.
Description
Technical field
The utility model relates to power test technical fields, in particular to a kind of test instrument case and auxiliary
Test instrument.
Background technique
It is often at present each Shi Gefa for experiment work.As arrester test when made using felt pad or other tools
Arrester is formed with ground is isolated to complete experiment work, there was only test data required standard for test of lightning arrester, does not have
The requirement of live test of lightning arrester specification.It therefore when carrying out all kinds of test of lightning arrester is made using felt pad or other tools
Arrester is formed with ground and is dielectrically separated to complete to test.And require that p-wire is hanging when carrying out other experiment works, no
Ground and equipment can be touched.Touching ground and equipment such as p-wire can cause test data deviation occur.Lead to test inaccuracy
The case where occur, while finding that the completion test job that standardizes is needed to need to carry more gadget, also cause to store
The problem of managing and increasing storage space increases the workload of operating personnel.
Problems of the prior art are: the test that experiment work lacks specification assists specific purpose tool, affects examination
Test the accuracy of data.Each class testing auxiliary accessories lack storage tool, increase the difficulty of storage and managenent and increase storage
Space.
Utility model content
One of the purpose of this utility model is to provide a kind of test instrument case, existing in order to solve to a certain extent
The problem of test for lacking specification in technology assists specific purpose tool, and auxiliary accessories lack storage tool.The utility model is provided
Test instrument case, mainly supported to need to provide subjects hanging test auxiliary during test, and can
Store auxiliary accessories.
The another object of the utility model is to provide a kind of ancillary test tool.The ancillary test tool can facilitate examination
Test progress.
The purpose of this utility model can be realized by following technical proposal:
Test instrument case provided by the utility model, the test instrument case include cabinet, support rod and ground terminal, described
Cabinet includes the inner surface and the outer surface, and the inner surface surrounds the accommodating chamber for accommodating a variety of test instruments, the accommodating chamber
It can be repeatedly opened and be closed, the support rod can be conductive, and the ground terminal is connect with the outer surface, the test work
Have case include trystate and carrier state, when the test instrument case be in trystate, one end of the support rod and
The outer surface connection, the other end of the support rod be used to support subjects, the ground terminal and support rod electricity
Connection；When the test instrument case is in carrier state, the support rod is contained in the accommodating chamber.
As a kind of optimal technical scheme of the utility model, the inner surface is the first insulating layer, and the outer surface is
Second insulating layer, is provided with conductive path between first insulating layer and the second insulating layer, the ground terminal passes through institute
Conductive path is stated to be electrically connected with the support rod.
As a kind of optimal technical scheme of the utility model, the inner surface is made of insulating material, the outer surface
It is mainly made of an electrically conducting material, and is mainly made of an electrically conducting material between the outer surface and the inner surface.
As a kind of optimal technical scheme of the utility model, the box outer surface offers blind hole, the support rod
One end cooperatively form and be detachably connected with the blind hole.
As a kind of optimal technical scheme of the utility model, the blind hole is threaded hole, and one end of the support rod is opened
Equipped with screw thread, one end of the support rod and the blind threaded connection.
As a kind of optimal technical scheme of the utility model, the support rod is provided with company far from one end of the cabinet
Socket part, the interconnecting piece be used to connect with subjects.
As a kind of optimal technical scheme of the utility model, the support rod include the conductor body of rod and insulation grip part,
The insulation grip part is sheathed on the conductor body of rod.
As a kind of optimal technical scheme of the utility model, the total length of the support rod can change.
As a kind of optimal technical scheme of the utility model, the support rod includes the more conductor bodies of rod, described in more
The conductor body of rod is mutually detachably connected, and the support rod is configured to the company by increasing or reducing the conductor body of rod
Radical is connect to change the length of the support rod.
The utility model additionally provides a kind of ancillary test tool, and the ancillary test tool includes experiment power supply and above-mentioned
Described in any item test instrument casees, the experiment power supply and the test instrument case split settings.
The beneficial effects of the utility model include:
Test instrument case provided by the utility model includes cabinet, support rod and ground terminal.Cabinet include inner surface and
Outer surface.Inner surface surrounds the accommodating chamber for accommodating a variety of test instruments.Accommodating chamber can be repeatedly opened and be closed.Support
Bar can be conductive.Ground terminal is connect with outer surface.Test instrument case includes trystate and carrier state.At test instrument case
When trystate, one end of support rod is connect with outer surface, and the other end of support rod be used to support subjects, ground terminal
It is electrically connected with support rod.When test instrument case is in carrier state, support rod is contained in accommodating chamber.It will by setting cabinet
Various auxiliary accessories are accommodated in cabinet, are convenient for carrying and are managed.Cabinet also becomes a pedestal simultaneously, is convenient for support rod
It stands on cabinet, the support by support rod to subjects, test can be facilitated to carry out.By the way that ground terminal is arranged, it is ensured that whole
The safety of a test carries out.
Ancillary test tool provided by the utility model includes experiment power supply and above-mentioned test instrument case.Experiment power supply
With the test instrument case split settings.By the way that independent experiment power supply is arranged, it can support test more pair, can also facilitate
Test carries out.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of test instrument case provided by the utility model embodiment；
Fig. 2 is the structural schematic diagram when accommodating chamber of test instrument case provided by the utility model embodiment is opened；
Fig. 3 is the operation schematic diagram of test instrument case test of lightning arrester provided by the utility model embodiment；
Fig. 4 is the operation schematic diagram that test instrument case provided by the utility model embodiment tests p-wire.
Icon: 100- cabinet；The outer surface 110-；120- inner surface；130- blind hole；200- support rod；210- interconnecting piece；
The 220- body of rod；300- ground terminal；400- arrester；500- ground line；600- p-wire.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower"
For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put
Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, in the present invention unless specifically defined or limited otherwise, fisrt feature on second feature or
Under may include that the first and second features directly contact, may include the first and second features be not direct contact but logical yet
Cross the other characterisation contact between them.Moreover, fisrt feature is on second feature, top and above include fisrt feature
Right above second feature and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is
Under two features, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature
Level height is less than second feature.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
It is often at present each Shi Gefa for experiment work.As arrester test when made using felt pad or other tools
Arrester is formed with ground is isolated to complete experiment work, there was only test data required standard for test of lightning arrester, does not have
The requirement of live test of lightning arrester specification.It therefore when carrying out all kinds of test of lightning arrester is made using felt pad or other tools
Arrester is formed with ground and is dielectrically separated to complete to test.And require that p-wire is hanging when carrying out other experiment works, no
Ground and equipment can be touched.Touching ground and equipment such as p-wire can cause test data deviation occur.Lead to test inaccuracy
The case where occur, while finding that the completion test job that standardizes is needed to need to carry more gadget, also cause to store
The problem of managing and increasing storage space increases the workload of operating personnel.
Problems of the prior art are: the test that experiment work lacks specification assists specific purpose tool, affects examination
Test the accuracy of data.Each class testing auxiliary accessories lack storage tool, increase the difficulty of storage and managenent and increase storage
Space.
For above situation, applicant proposes this examination on the basis of by a large amount of theoretical research and practical operation
Test tool box and ancillary test tool.The test instrument case can need to mention the hanging test of subjects in the process for test
It is supported for auxiliary, and auxiliary accessories can be stored.Ancillary test tool can facilitate test to carry out.
Embodiment:
The present embodiment provides a kind of test instrument case and ancillary test tool, specific structure are as hereinbefore set forth.
Fig. 1 is please referred to, cooperates reference Fig. 2, test instrument case provided by the present embodiment includes cabinet 100, support rod 200
With ground terminal 300.Cabinet 100 includes inner surface 120 and outer surface 110.Inner surface 120 is surrounded for accommodating a variety of test instruments
Accommodating chamber.Accommodating chamber can be repeatedly opened and be closed.Support rod 200 can be conductive.Ground terminal 300 and outer surface 110 connect
It connects.Test instrument case includes trystate and carrier state.When test instrument case is in trystate, the one of support rod 200
End is connect with outer surface 110, and the other end of support rod 200 be used to support subjects, 200 electricity of ground terminal 300 and support rod
Connection.When test instrument case is in carrier state, support rod 200 is contained in accommodating chamber.
Test instrument case provided by the present embodiment, the inner surface 120 are the first insulating layer, the outer surface 110
For second insulating layer.Conductive path is provided between first insulating layer and the second insulating layer, the ground terminal 300 is logical
The conductive path is crossed to be electrically connected with the support rod 200.Specifically, test instrument case inner surface 120 and outer surface 110 it
Between be provided with conductive material.Conductive material connects to form conductive path.At least partially electronically conductive part of support rod 200 with this to leading
Electric material contact.At least partially electronically conductive part of ground terminal 300 and the conductive material contacts.So that support rod 200 support it is to be measured
One end of object is electrically connected with ground terminal 300.Subjects are grounded when can ensure to test in this way, and guarantee test carries out safely.
It should be noted that test instrument case is also possible to: the inner surface 120 is made of insulating material, the appearance
Face 110 is mainly made of an electrically conducting material, and is mainly made of an electrically conducting material between the outer surface 110 and the inner surface 120.
Here inner surface 120 is made of insulating material, and can prevent test instrument in test instrument case from being damaged by the influence of electric current
It is bad, it can be good at the test instrument in protection test tool box.And the electric current of outer surface 110 then passes through ground terminal 300 and is drawn
Enter underground.
100 outer surface 110 of cabinet of test instrument case provided by the present embodiment offers blind hole 130, the support rod
200 one end cooperatively forms with the blind hole 130 and is detachably connected.Specifically, the blind hole 130 is threaded hole, the support
One end of bar 200 offers screw thread, and one end of the support rod 200 is threadedly coupled with the blind hole 130.When support rod 200 with
After blind hole 130 cooperates, support rod 200 is also achieved with ground terminal 300 and is electrically connected.It is blind by being opened up in 100 outer surface 110 of cabinet
Hole 130 and support rod 200 cooperate, and support rod 200 can be arranged easily and fast, and test is facilitated quickly to carry out.
The support rod 200 of test instrument case provided by the present embodiment, according to above-mentioned explanation, one end is provided with spiral shell
Line, the threaded hole for being arranged with 100 outer surface 110 of cabinet are connect.The other end of the support rod 200 is additionally provided with interconnecting piece
210, which be used to connect with subjects.I.e. support rod 200 is provided with company far from one end of the cabinet 100
Socket part 210, the interconnecting piece 210 be used to connect with subjects.The interconnecting piece 210 and support rod 200 are detachably connected.
When test, different interconnecting pieces 210 can be selected according to different test needs.When such as carrying out the test of arrester 400, due to
Arrester 400 has threaded ends, therefore can choose the interconnecting piece 210 again with screw thread so that interconnecting piece 210 with keep away
Thunder device 400 is threadedly coupled.And in the test for carrying out p-wire 600, it, can due to merely to p-wire 600 is supported
To use the interconnecting piece 210 with split ring, p-wire 600 is sheathed in split ring, support effect can be realized.
In order to facilitate test and gripping support rod 200 is stopped, the support rod 200 includes that the conductor body of rod 220 and insulation are held
Portion is held, the insulation grip part is sheathed on the conductor body of rod 220.When test, it can be carried out by holding insulation grip part
The disassembly of support rod 200.Insulation grip part is not only able to increase frictional force when holding, additionally it is possible to prevent human electric shock.
In many power tests, it is often necessary to higher support, therefore test instrument case provided by the present embodiment
The total length of the support rod 200 can change.Specifically, the support rod 200 includes the more conductor bodies of rod 220, more institutes
It states the conductor body of rod 220 to be mutually detachably connected, the support rod 200 is configured to by increasing or reducing the conductor
The connection radical of the body of rod 220 is to change the length of the support rod 200.
It should be noted that change 200 length of support rod method also there are many, for example, support rod 200 is made hollow
The contractile body of rod 220, it will be able to achieve the purpose that change 200 length of support rod by folding and unfolding support rod 200, herein just not
It repeats again.
Test instrument case provided by the utility model, works in this way:
Referring to figure 3., when carrying out the test of arrester 400, support rod 200 is first taken out out of test instrument case, and make case
Body 100 is in closed state.Cabinet 100 is placed on ground, and makes the side for offering blind hole 130 far from ground, by ground
Line is connect with ground terminal 300.Screwed interconnecting piece 210 is selected, interconnecting piece 210 is connect with support rod 200.By arrester
400 are threadedly coupled with interconnecting piece 210.Finally support rod 200 is connect with blind hole 130.Support and ground connection can be completed, test people
Member can start to be tested.
Referring to figure 4., when carrying out the test of p-wire 600, support rod 200 is first taken out out of test instrument case, and make case
Body 100 is in closed state.Cabinet 100 is placed on ground, and makes the side for offering blind hole 130 far from ground.Selection
Interconnecting piece 210 is connect by the interconnecting piece 210 with split ring with support rod 200.Support rod 200 is connect with blind hole 130.Most
P-wire 600 is put into split ring afterwards.Testing crew can be opened up and be tested.
The present embodiment additionally provides a kind of ancillary test tool, and ancillary test tool includes experiment power supply and above-mentioned test
Tool box, the experiment power supply and the test instrument case split settings.
Test instrument case provided by the present embodiment includes cabinet 100, support rod 200 and ground terminal 300.Cabinet 100 wraps
Include inner surface 120 and outer surface 110.Inner surface 120 surrounds the accommodating chamber for accommodating a variety of test instruments.Accommodating chamber can weigh
It opens and closes again.Support rod 200 can be conductive.Ground terminal 300 is connect with outer surface 110.Test instrument case includes test
State and carrier state.When test instrument case is in trystate, one end of support rod 200 is connect with outer surface 110, support
The other end of bar 200 be used to support subjects, and ground terminal 300 is electrically connected with support rod 200.It is taken when test instrument case is in
When carrier state, support rod 200 is contained in accommodating chamber.Various auxiliary accessories are accommodated in cabinet 100 by setting cabinet 100
It is interior, it is convenient for carrying and manages.Cabinet 100 also becomes a pedestal simultaneously, convenient for standing on support rod 200 on cabinet 100, leads to
Support of the support rod 200 to subjects is crossed, test can be facilitated to carry out.By the way that ground terminal 300 is arranged, it is ensured that entirely test
Safety carries out.
Ancillary test tool provided by the present embodiment includes experiment power supply and above-mentioned test instrument case.Experiment power supply with
The test instrument case split settings.By the way that independent experiment power supply is arranged, it can support test more pair, can also facilitate examination
Test progress.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of test instrument case, which is characterized in that the test instrument case includes cabinet, support rod and ground terminal, the case
Body includes the inner surface and the outer surface, and the inner surface surrounds the accommodating chamber for accommodating a variety of test instruments, the accommodating chamber energy
It is enough repeatedly opened and is closed, the support rod can be conductive, and the ground terminal is connect with the outer surface, the test instrument
Case includes trystate and carrier state, when the test instrument case is in trystate, one end of the support rod and institute
Outer surface connection is stated, the other end of the support rod be used to support subjects, and the ground terminal is electrically connected with the support rod
It connects；When the test instrument case is in carrier state, the support rod is contained in the accommodating chamber.
2. test instrument case according to claim 1, which is characterized in that the inner surface is the first insulating layer, the appearance
Face is second insulating layer, and conductive path is provided between first insulating layer and the second insulating layer, and the ground terminal is logical
The conductive path is crossed to be electrically connected with the support rod.
3. test instrument case according to claim 1, which is characterized in that the inner surface is made of insulating material, described outer
Surface is mainly made of an electrically conducting material, and is mainly made of an electrically conducting material between the outer surface and the inner surface.
4. test instrument case according to claim 1, which is characterized in that the box outer surface offers blind hole, the branch
One end of strut cooperatively forms with the blind hole and is detachably connected.
5. test instrument case according to claim 4, which is characterized in that the blind hole be threaded hole, the one of the support rod
End offers screw thread, one end of the support rod and the blind threaded connection.
6. test instrument case according to claim 1, which is characterized in that the support rod is arranged far from one end of the cabinet
There is interconnecting piece, the interconnecting piece be used to connect with subjects.
7. test instrument case according to claim 1, which is characterized in that the support rod includes that the conductor body of rod and insulation are held
Portion, the insulation grip part are sheathed on the conductor body of rod.
8. test instrument case according to claim 1, which is characterized in that the total length of the support rod can change.
9. test instrument case according to claim 8, which is characterized in that the support rod includes the more conductor bodies of rod, and more
The conductor body of rod is mutually detachably connected, and the support rod is configured to by increasing or reducing the conductor body of rod
Connection radical to change the length of the support rod.
10. a kind of ancillary test tool, which is characterized in that the ancillary test tool includes experiment power supply and according to claim
The described in any item test instrument casees of 1-9, the experiment power supply and the test instrument case split settings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821798731.5U CN209247829U (en) | 2018-11-01 | 2018-11-01 | Test tool case and auxiliary test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821798731.5U CN209247829U (en) | 2018-11-01 | 2018-11-01 | Test tool case and auxiliary test tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209247829U true CN209247829U (en) | 2019-08-13 |
Family
ID=67526894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821798731.5U Active CN209247829U (en) | 2018-11-01 | 2018-11-01 | Test tool case and auxiliary test tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209247829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112083352A (en) * | 2020-08-25 | 2020-12-15 | 广东电网有限责任公司 | Supporting device for lightning arrester direct current leakage test |
-
2018
- 2018-11-01 CN CN201821798731.5U patent/CN209247829U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112083352A (en) * | 2020-08-25 | 2020-12-15 | 广东电网有限责任公司 | Supporting device for lightning arrester direct current leakage test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104991095B (en) | A kind of transformer test wiring fexible unit | |
| CN209247829U (en) | Test tool case and auxiliary test tool | |
| CN105202332A (en) | Multifunctional bracket for surveying and mapping instrument | |
| CN206420633U (en) | A kind of battery drop test device | |
| CN204439746U (en) | Capacitor banks fault locator | |
| CN208043954U (en) | A kind of charger aging tester | |
| CN205282298U (en) | Test electric formula order gram stick | |
| CN207424127U (en) | A kind of power test device | |
| CN207380185U (en) | A kind of artificial puncture device of electric wire spark machine sensitivity calibrating instrument | |
| CN208752129U (en) | A kind of three phase electrical parameters measuring device | |
| CN212540445U (en) | Movable high tension switchgear 10 kilovolts of PT testing arrangement | |
| CN210294431U (en) | Intelligent substation local relay protection test device | |
| CN209615454U (en) | A kind of portable multi-function tool box for Physical Experiment | |
| CN207992297U (en) | A kind of multifunction instrument of waterproof | |
| CN203929513U (en) | A kind of low-pressure metering box metal insert axial load pick-up unit | |
| CN210097740U (en) | Physical experiment table | |
| CN208129636U (en) | A kind of alpin-stock | |
| AU2021106445A4 (en) | folding 110kV hot stick & electroscope combined test supporting frame and test box | |
| CN221405997U (en) | Scalable electrical test auxiliary device of direct current high voltage generator | |
| CN206134062U (en) | Physics electricity experiment device | |
| CN208013352U (en) | A kind of Switching Power Supply insulated test device | |
| CN102446445A (en) | Teaching experiment box | |
| CN208588787U (en) | A kind of detection device of electrical equipment | |
| CN210954135U (en) | Combined electroscope test stand | |
| CN220154664U (en) | Node unit maintenance testing arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |