CN208078189U - Voltage transformer or current transformer test interface tool - Google Patents
Voltage transformer or current transformer test interface tool Download PDFInfo
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- CN208078189U CN208078189U CN201820711967.4U CN201820711967U CN208078189U CN 208078189 U CN208078189 U CN 208078189U CN 201820711967 U CN201820711967 U CN 201820711967U CN 208078189 U CN208078189 U CN 208078189U
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- plug
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- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 239000002184 metal Substances 0.000 claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
- 238000002474 experimental method Methods 0.000 claims abstract description 24
- 239000004020 conductor Substances 0.000 claims abstract description 22
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a kind of voltage transformer or current transformer test interface tools, including mother socket and sub-socket, multiple rows of groove profile brace is symmetrically fixed in mother socket, the bottom portion of groove for a pair of of the groove profile brace often arranged is set with embedded metal conductor and is separately connected conventional terminal；The transversely flexible metal tranverse connecting rod of movable set on rear side of the groove of a pair of of groove profile brace；Mother socket shell bottom plate is respectively arranged with multiple rows of elastic operation hole and experiment jack, and more elastic operation plugs of setting can match in the corresponding elastic operation hole of insertion on front side of sub-socket.Special test line is inserted into interface arrangement during the utility model experiment, transformer secondary circuit disconnects automatically, is not in the anti-power transmission accident of primary side；After extracting test joint after experiment, mutual inductor secondary side connects automatically, when being not in that primary equipment puts into operation, mutual inductor secondary side open a way situations such as.
Description
Technical field：
The invention belongs to hydroelectric facility mutual inductor test joint technical fields, and in particular to a kind of voltage transformer or electric current
Mutual inductor test interface tool.
Background technology：
Currently, domestic using outer plus connection sheet the method in terminal block, when normal work, connection sheet is allocated to working position
It sets, terminal block both sides normally；When experiment, connection sheet fixed screw is loosened, connection sheet is dialed into testing position, spiral shell is used in combination
Silk fastening.It is complex when this method field conduct, forget connection sheet being allocated to testing position before being susceptible to experiment, when experiment
To the anti-power transmission of primary side, cause casualties and equipment damage；After experiment, forget connection sheet being allocated to working position, mutual inductor two
Secondary side open circuit be easy to cause fire, opens the substantial equipments events such as machine is unsuccessful.And the fastening screw in terminal block is often elastic,
It is easy to cause fastening screw to fix loosely, voltage transformer, secondary loop of mutual inductor virtual connection, cause to protect in operational process
The device events such as tripping, unit emergency shutdown, fire.
Invention content：
The present invention needs to carry out a large number of experiments wiring on voltage transformer, current transformer loop for hydroelectric facility,
And lack at present can rapid translating jointer the problem of, a kind of voltage transformer or current transformer test interface work are provided
Tool, to achieve the purpose that improve patchcord efficiency and reduce test work load.
Scheme is used by the present invention solves its technical problem：A kind of voltage transformer or current transformer test interface
Tool, including mother socket and sub-socket, the mother socket includes the shell of a side opening, between the two side of the shell
It is fixed with more fixed transverse rods side by side from top to bottom, the both sides of every fixed transverse rod extend through that be connected with symmetrical groove profile oblique
Bar, each pair of groove profile brace constitute front wide and rear narrow splayed, be arranged on the opposite side of two groove profile braces it is fluted, in groove
Bottom is set with embedded metal conductor, and each embedded metal conductor is located at groove profile brace front end and extends outward inserting terminal conduct
Conventional terminal；Meanwhile being transversely movably installed with gold in the rear side notch of a pair of of groove profile brace on same root fixed transverse rod
Belong to tranverse connecting rod；A pair of of pilot hole is vertically arranged on every fixed transverse rod again, is matched in each pilot hole and is set with longitudinal direction
Guide rod, the rear end of two longitudinally guiding bars are connected as one with the metal tranverse connecting rod, are set on guide rod longitudinally in each
Spring；Be provided with multiple elastic operation holes from top to bottom positioned at the middle part of the shell bottom plate, elastic operation hole with it is described solid
Determine cross bar position correspondence；It is symmetrically arranged with multirow positioned at each elastic operation hole both sides and tests jack, often the symmetrical experiment of two of row
The position of jack and the groove location of corresponding groove profile brace are corresponding；The sub-socket includes shell, and the center on front side of shell is certainly
More elastic operation plugs are set gradually under above, each elastic operation plug, which can match, to be inserted into corresponding elastic operation hole,
And the front end of each elastic operation plug can be supported on the center of corresponding metal tranverse connecting rod；Elastic operation plug and elastic operation
The elastic support structure of retreating-proof is provided between hole；In the shell positioned at the both sides of the elastic operation plug, symmetrically set
It is equipped with multirow pilot hole, the front side of each pilot hole inserts respectively is fixed with test plug, the rear interior setting gold of each pilot hole
Belong to conductor and constitutes the special jack of test wire；Each test plug can match be inserted into corresponding experiment jack it is interior and with it is corresponding in
Engaged column conductor contacts.
It is set with slot abaculus in the rear end of the groove profile brace groove, which contains blind hole and set in blind hole
It is equipped with elastic conduction card, the embedded metal conductor being located in groove profile brace groove is electrically connected with elastic conduction card；The examination
Testing plug can match in the corresponding slot abaculus of insertion and be contacted with corresponding embedded metal conductor.
The rear end of groove profile brace is provided with end plate and is provided with through-hole on end plate, is provided on the inside of end plate and end plate
Parallel inner panel is provided with through-hole on inner panel, and the side of inner panel is connected with shrapnel to make the through-hole of inner panel and the through-hole of end plate
Only overlap；Meanwhile the front end of each test plug being provided with annular groove.
Voltage transformer provided by the invention, current transformer test interface tool configure test interface device and experiment
Special test line is inserted into interface arrangement by connector during experiment, and transformer secondary circuit disconnects automatically, is not in primary
The anti-power transmission accident in side；After extracting test joint after experiment, mutual inductor secondary side connects automatically, is not in that primary equipment puts into operation
When, mutual inductor secondary side open a way situations such as.It has the beneficial effect that.
1. by it is originally artificial disconnect, the connection sheet of connection is installed on inside interface arrangement, when experiment, secondary circuit is with experiment
The plug of connector is disconnected, is connected automatically, and onsite application is not in because artificial origin leads to anti-power transmission or secondary conveniently, safely
Loop open circuit problem.
2. metal link rod is connected by two standing screws with insulation crust, and is fixed by two side bayonet slots, metal is prevented
Connecting rod, which swings, causes short circuit.
3. using two springs, and spring is fixed on fastening screw, can prevent from falling off because of spring or spring failure caused by
Circuit breaking.
4. test plug uses the special jack of test wire, can be connect with various test apparatuses, it is widely used.
Description of the drawings：
Fig. 1 is the practical status diagram of the present invention.
Fig. 2 is the part section structural representation of mother socket in Fig. 1.
Fig. 3 is the side structure schematic diagram of sub-socket in Fig. 1.
Fig. 4 is the positive structure schematic of mother socket in Fig. 1.
Fig. 5 is the rear side schematic diagram of Fig. 3
Fig. 6 is the cross-sectional view of elastic operation plug and the cooperation installation of elastic operation hole.
Specific implementation mode：
Precious spring hydroenergy storage station is underground power house formula structure, is Reversible Pump-Turbine-electricity generation and electromotion unit, has
Power generation turbine condenser mode, is drawn water, draw water phase modulation and emergency duty, black starting-up function.Because live primary equipment is more, operating mode turns
Change complexity, a large amount of voltage transformers of in-site installation, current transformer.Protection and monitoring system need to acquire a large amount of electric currents, voltage
For monitoring, controlling, adjust and protect.Therefore a large number of experiments on secondary device need to be returned in voltage transformer, current transformer
Road carries out, therefore needs design specialized voltage transformer, current transformer test interface tool, fast, safely to carry out
Experiment work.
Embodiment 1：Voltage transformer or current transformer test interface tool as Figure 1-Figure 5 respectively regard figure label：
1,2,3,4,5,6,7,8 be conventional terminal.9 be metal tranverse connecting rod, and 10 be longitudinally guiding bar, and 11,12,13,14 try for primary side
Jack is tested, 15,16,17,18 test jack for secondary side.19 be elastic operation hole, and 20,21,22,23 insert for primary side experiment
Head, 24,25,26,27 be secondary side test plug.28 be elastic operation plug, and 29,30,31,32 is special for primary side test wire
Jack, K, 33,34,35,36 are the special jack of secondary side test wire.37 be mother socket, and 38 be sub-socket, and 39 be fixed transverse rod,
40 be groove profile brace, and 41 be embedded metal conductor, and 42 be pilot hole, and 43 be spring；44 be arc groove, and 45 be cylindrical hole, 46
It is card slot for cylindricality shrapnel, 47,48 be shrapnel mounting hole.
In Fig. 1, mother socket 37 and sub-socket 38 are respectively arranged with corresponding jack and plug, and the two can dock inserting
Together.
The internal structure of mother socket 37 is shown in Figure 2, includes the shell of a side opening, front openings, rear side
For bottom plate.It is fixed with four fixed transverse rods 39 side by side from top to bottom between the two side of the shell, every fixed transverse rod 39
Both sides, which extend through, is connected with symmetrical groove profile brace 40, and each pair of groove profile brace 40 constitutes front wide and rear narrow splayed.Two slots
It is arranged fluted on the opposite side of type brace 40, is set with embedded metal conductor 41 in bottom portion of groove, each embedded metal is led
Body 41 is located at 40 front end of groove profile brace and extends outward inserting terminal as the row of conventional terminal A1 and A2 two totally eight terminals.
It is transversely movably installed with metal in the rear side notch of a pair of of groove profile brace 40 on same root fixed transverse rod 39
Tranverse connecting rod 9.A pair of of pilot hole 42 is vertically arranged on every fixed transverse rod 39 again, matches and is set in each pilot hole 42
Longitudinally guiding bar 10, the rear end of two longitudinally guiding bars 10 are connected as one with the metal tranverse connecting rod 9, longitudinally in each guide rod
Spring 43 is set on 10.Under normal circumstances, for metal tranverse connecting rod 9 by 43 top pressure of spring, both ends are respectively supported at two groove profiles
In 40 groove of brace, and embedded metal conductor 41 corresponding in groove is electrically connected respectively, constitutes access.When pushing tow metal forward
After tranverse connecting rod 9, embedded metal conductor 41 can be detached from the embedded metal conductor 41 of both sides, form power-off.Metal tranverse connecting rod 9 causes to break
After electricity, condition is provided for the connection of test plug.
As shown in Figure 1 and Figure 4, it is being arranged from top to bottom positioned at the middle part of the shell bottom plate there are four elastic operation hole
19, each elastic operation hole 19 is corresponding with 39 position of each fixed transverse rod.
The elastic support structure of retreating-proof is provided between elastic operation plug and elastic operation hole again.As shown in fig. 6,
Elastic support structure is that cylindrical hole 45 is provided in the middle part of elastic operation plug, is matched in cylindrical hole 45 and is set with and is fixed with
Cylindricality shrapnel 46,46 1 side opening of cylindricality shrapnel are convenient for by compressive deformation.46 fixed mode of cylindricality shrapnel is to pass through screw
Go deep into cylindrical hole 45 being fixed from 47 bottom of card slot of elastic operation plug ends.The side port side in elastic operation hole simultaneously
Edge is provided with the arc groove 44 with 46 form fit of cylindricality shrapnel.Elasticity is passed through when elastic operation plug carries cylindricality shrapnel 46
After handle hole, cylindrical spring, which flicks, is supported in arc groove 44 the clamping relationship that constitutes.
It is symmetrically arranged with four rows positioned at each 19 both sides of elastic operation hole and tests jack, i.e., often row two tests jack for totally eight
B1 and B2.Often two of the row symmetrical positions for testing jack and the groove location of corresponding groove profile brace 40 are corresponding.
As shown in Figure 3 and Figure 5, sub-socket 38 includes shell, and the center on front side of shell sets gradually four from top to bottom
Elastic operation plug, each elastic operation plug, which can match, to be inserted into corresponding elastic operation hole 19, and each elastic operation is inserted
The front end of head can be supported on the center of corresponding metal tranverse connecting rod 9.In the shell positioned at the both sides of the elastic operation plug,
Four luggage distribution are symmetrically arranged with, the front side of each pilot hole inserts respectively is fixed with test plug, i.e. often totally eight examinations of row two
Test plug C1 and C2.The rear interior setting metallic conductor of each pilot hole constitutes the special jack D1 and D2 of test wire；Each examination
Testing plug can match in the corresponding experiment jack of insertion and be contacted with corresponding embedded metal conductor 41.
The voltage transformer of the present embodiment, current transformer test interface tool work principle：When overhaul of the equipments, experiment connects
Head is inserted into test interface device, and spring 43 operates plug and metal link rod, compressed spring, both sides conventional terminal is pushed to disconnect（Such as
Figure）, primary side and secondary side open circuit can be respectively to primary side or secondary sides using experiment industrial siding according to service work needs
Input test voltage, electric current.After the test, pull plug, spring push metal link rod, both sides conventional terminal to be connected,
Current transformer, voltage transformer can work normally.
Embodiment 2：It is set with slot abaculus on the basis of embodiment 1, and in the rear end of 40 groove of groove profile brace, the slot
Abaculus contains blind hole and is provided with elastic conduction card in blind hole, the embedded metal conductor 41 being located in 40 groove of groove profile brace
It is electrically connected with elastic conduction card；The test plug can match be inserted into corresponding slot abaculus and with corresponding embedded metal
Conductor 41 contacts.
Embodiment 3：On the basis of embodiment 1, and the rear end of groove profile brace 40 is provided with end plate and is arranged on end plate
There is through-hole, the inner panel parallel with end plate is provided on the inside of end plate, through-hole is provided on inner panel, the side of inner panel is connected with bullet
Piece is to make the through-hole of inner panel and the through-hole of end plate only overlap；Meanwhile it being provided in the front end of each test plug
Annular groove.
Claims (4)
1. a kind of voltage transformer or current transformer test interface tool, including mother socket and sub-socket, it is characterized in that：It is described
Mother socket includes the shell of a side opening, is fixed with more fixed cross side by side from top to bottom between the two side of the shell
Bar, the both sides of every fixed transverse rod, which extend through, is connected with symmetrical groove profile brace, and each pair of groove profile brace constitutes front wide and rear narrow
Splayed, is arranged on the opposite side of two groove profile braces fluted, and embedded metal conductor is set in bottom portion of groove, it is each in
Engaged column conductor is located at groove profile brace front end and extends outward inserting terminal as conventional terminal；Meanwhile it being fixed in same root horizontal
It is transversely movably installed with metal tranverse connecting rod in the rear side notch of a pair of of groove profile brace on bar；Again in every fixed transverse rod upper edge
Be vertically arranged with a pair of of pilot hole, in each pilot hole matching be set with longitudinally guiding bar, the rear end of two longitudinally guiding bars with
The metal tranverse connecting rod is connected as one, and is set with spring on guide rod longitudinally in each；Positioned at the middle part of the shell bottom plate
It is provided with multiple elastic operation holes from top to bottom, elastic operation hole is corresponding with the fixed transverse rod position；Positioned at each elastic operation
Hole both sides are symmetrically arranged with multirow experiment jack, often the groove of the position and corresponding groove profile brace of the symmetrical experiment jack of two of row
Position corresponds to；The sub-socket includes shell, and the center on front side of shell sets gradually more elastic operation plugs from top to bottom,
Each elastic operation plug, which can match, to be inserted into corresponding elastic operation hole, and the front end of each elastic operation plug can support
At the center of corresponding metal tranverse connecting rod；The resilient support knot of retreating-proof is provided between elastic operation plug and elastic operation hole
Structure；In the shell positioned at the both sides of the elastic operation plug, it is symmetrically arranged with multirow pilot hole, the front side point of each pilot hole
It Cha Zhuan be fixed with test plug, the rear interior setting metallic conductor of each pilot hole constitutes the special jack of test wire；It is described each
Test plug, which can match, to be inserted into corresponding experiment jack and is contacted with corresponding embedded metal conductor.
2. voltage transformer according to claim 1 or current transformer test interface tool, including mother socket and son are inserted
Seat, it is characterized in that：The elastic support structure is to be provided with cylindrical hole in the middle part of elastic operation plug, is matched in cylindrical hole
It is set with and is fixed with cylindricality shrapnel, while side port edge is provided with the arc with cylindricality shrapnel form fit in elastic operation hole
Groove.
3. voltage transformer according to claim 1 or current transformer test interface tool, including mother socket and son are inserted
Seat, it is characterized in that：It is set with slot abaculus in the rear end of the groove profile brace groove, which contains blind hole and in blind hole
It is inside provided with elastic conduction card, the embedded metal conductor being located in groove profile brace groove is electrically connected with elastic conduction card；Institute
Stating test plug can match in the corresponding slot abaculus of insertion and be contacted with corresponding embedded metal conductor.
4. voltage transformer according to claim 2 or 3 or current transformer test interface tool, including mother socket and son
Socket, it is characterized in that：The rear end of groove profile brace is provided with end plate and is provided with through-hole on end plate, is provided on the inside of end plate
The inner panel parallel with end plate is provided with through-hole on inner panel, and the side of inner panel is connected with shrapnel to make the through-hole and end plate of inner panel
Through-hole only overlap；Meanwhile the front end of each test plug being provided with annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820711967.4U CN208078189U (en) | 2018-05-14 | 2018-05-14 | Voltage transformer or current transformer test interface tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820711967.4U CN208078189U (en) | 2018-05-14 | 2018-05-14 | Voltage transformer or current transformer test interface tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208078189U true CN208078189U (en) | 2018-11-09 |
Family
ID=64045882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820711967.4U Active CN208078189U (en) | 2018-05-14 | 2018-05-14 | Voltage transformer or current transformer test interface tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208078189U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649370A (en) * | 2018-05-14 | 2018-10-12 | 国家电网公司 | Voltage transformer or current transformer test interface tool |
| CN117937200A (en) * | 2024-03-21 | 2024-04-26 | 浩亭(珠海)制造有限公司 | Assembly jig for mounting conductive elastic sheet and assembly method thereof |
-
2018
- 2018-05-14 CN CN201820711967.4U patent/CN208078189U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649370A (en) * | 2018-05-14 | 2018-10-12 | 国家电网公司 | Voltage transformer or current transformer test interface tool |
| CN108649370B (en) * | 2018-05-14 | 2020-04-07 | 国家电网公司 | Voltage transformer or current transformer test interface tool |
| CN117937200A (en) * | 2024-03-21 | 2024-04-26 | 浩亭(珠海)制造有限公司 | Assembly jig for mounting conductive elastic sheet and assembly method thereof |
| CN117937200B (en) * | 2024-03-21 | 2024-06-11 | 浩亭(珠海)制造有限公司 | Assembly jig for mounting conductive elastic sheet and assembly method thereof |
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