CN209434114U - Three-phase alternating current short circuit grounding device - Google Patents
Three-phase alternating current short circuit grounding device Download PDFInfo
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- CN209434114U CN209434114U CN201920004844.1U CN201920004844U CN209434114U CN 209434114 U CN209434114 U CN 209434114U CN 201920004844 U CN201920004844 U CN 201920004844U CN 209434114 U CN209434114 U CN 209434114U
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Abstract
The utility model discloses a kind of three-phase alternating current short circuit grounding devices, external terminal including shell and installation on the housing, it is characterized in that being provided with electromagnetic assembly and contact assembly in shell, the external terminal includes input power terminal, out-put supply terminal and ground terminal, the contact assembly includes the input terminal static contact being mounted in the shell, output end static contact, moving contact and two ground terminal static contacts, and the electromagnetic assembly includes the static iron core for being fixedly mounted on the interior of shell and the coil for being wrapped in the static iron core periphery.The structure of the grounding device is simple, easy to use, practical, and use process is safer, has a wide range of application, and is not susceptible to circuit safety accident.
Description
Technical field
The utility model is specifically related to a kind of three-phase alternating current short circuit grounding device.
Background technique
Currently, without three-phase alternating current short circuit grounding device in the prior art.
In the prior art, when three-phase circuit breaking part needs short circuit and is grounded, controlled by three-phase ac contactor
Disconnecting circuit, three-phase ground disconnecting link carry out grid switching operation to breaking part short circuit grounding.
Three-phase ac contactor construction is by shell, electromagnetic system (coil, static iron core, dynamic iron core), contact system (dynamic touching
Head, static contact), arc-control device composition, without short circuit and earthing or grounding means；Three-phase ground disconnecting link is (moving contact, quiet by shell, contact
Contact), operating device (operation handle, operator link, interlocking gear) composition, without electromagnetic system, it is automatic to be unable to electric operation
Control.
Based on the above issues, three-phase alternating current short circuit grounding device is developed, the three-phase alternating current grounding device structure is simple, user
Just, practical, electric shock effectively can also carry out short circuit to the circuit after power-off and be grounded when can effectively prevent use.
Utility model content
The technical problems to be solved in the utility model is to overcome drawbacks described above, and it is simple to provide a kind of structure, easy to use, real
Strong with property, use process is safer, has a wide range of application, and is not susceptible to the three-phase alternating current short circuit grounding device of circuit safety accident.
In order to solve the above technical problems, the utility model its be structurally characterized in that including shell and installation on the housing
External terminal is provided with electromagnetic assembly and contact assembly in shell, and the external terminal includes input power terminal, out-put supply
Terminal and ground terminal, the contact assembly include the input terminal static contact being mounted in the shell, output end static contact, move
Contact and two ground terminal static contacts, the electromagnetic assembly include being fixedly mounted on the static iron core of the interior of shell and being wrapped in
The coil of the static iron core periphery is equipped with the dynamic iron core being attracted with static iron core cooperation, institute right above the static iron core
It states interior of shell and is fixedly installed with positioning seat, reaction spring is installed in the positioning seat, the dynamic iron core is mounted on described anti-
The inside of power spring, the dynamic iron core are fixedly connected with a connecting rod far from one end of the static iron core, pacify in the connecting rod
Equipped with perpendicular conductive link, the both ends of the conductive link are set with the moving contact.
The input terminal static contact and output end static contact are located along the same line and intermediate as a preferred technical scheme
Interval, the ground terminal static contact are mounted on the surface of the input terminal static contact and output end static contact, the sets of contacts
Part further includes the dynamic touching that contact can be moved back and forth between the input terminal static contact, output end static contact and ground terminal static contact
When head, moving contact and input terminal static contact, output end static contact contact, entire three-phase circuit is connected, and moving contact is quiet with ground terminal
When contact, three-phase circuit is disconnected, and charge extra in three-phase circuit is imported underground, prevents from getting an electric shock by earthed circuit conducting
The generation of accident.
The ground terminal static contact of output end static contact side and the output end stationary contact as a preferred technical solution,
It being connected between head by conducting wire, ground terminal static contact is connect with the output end static contact can guarantee in three-phase circuit power-off,
The excess charge that user direction is generated imports underground, prevents the generation of electric shock accidents.
The external terminal further includes electromagnetism power supply terminal as a preferred technical solution, and the electromagnetism power supply terminal is logical
It crosses conducting wire and the coil is connected as coil power supply, electromagnetism power supply terminal can be connected to total power distribution cabinet (case) or the two of switchgear house phased
On power supply processed, it is ensured that precise control, and line clear.
As a preferred technical solution, the input power terminal be located at one end of interior of shell by conducting wire with it is described defeated
Enter static contact is held to connect, one end that the out-put supply terminal is located at interior of shell is connected by conducting wire and the output end static contact
It connects, the ground terminal static contact positioned at input terminal static contact side is connect by conducting wire with ground terminal.
After adopting the above technical scheme, the safety coefficient of three-phase alternating current short circuit grounding device is high, structure is simple, easy to use,
Practical, use process is safer, carries out long distance electric automatic control to three-phase circuit using electromagnetic principle, can
It can be filled using short circuit grounding using the switching of contact system control high current since the device has the function of short circuit and is grounded
Set the circuit part automatic short-circuit that will be switched off and be grounded, the circuit part that will be switched off discharges, guarantee open-circuit line part without
Charge.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.Wherein:
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the connections schematic diagram of the utility model embodiment.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is further described.In the following detailed description, only pass through
Bright mode describes certain exemplary embodiments of the utility model.Undoubtedly, those skilled in the art can be with
It recognizes, it, can be with a variety of different modes to described without departing from the spirit and scope of the utility model
Embodiment is modified.Therefore, attached drawing and description are regarded as illustrative in nature, rather than the protection for limiting claim
Range.
Referring to attached drawing, which includes shell 1 and the external terminal that is mounted on shell 1, external
Terminal includes the input power terminal 3 for being mounted on 1 left side of shell, the out-put supply terminal 4 and ground terminal on 1 right side of installation shell
5, ground terminal 5 is mounted on the top for being located at input supply terminal 3 on the left of shell 1, and external terminal further includes being mounted under shell 1
The electromagnetism power supply terminal 16 of side, electromagnetism power supply terminal 16 are connected as the power supply of coil 10 by conducting wire and coil 10.
It is provided with electromagnetic assembly and contact assembly in shell 1, contact assembly includes be mounted on left side central portion in shell 1 defeated
Enter to hold static contact 61, is mounted on the output end static contact 62, moving contact 8 and two ground terminal static contacts of right side central in shell 1
7, the ground terminal static contact 7 on right side is connect by conducting wire with output end static contact 62, and the ground terminal static contact 7 in left side passes through conducting wire
It is connect with ground terminal 5, the right end of input power terminal 3 is connect by conducting wire with input terminal static contact 61, out-put supply terminal 4
Left end connect with output end static contact 62 by conducting wire, input terminal static contact 61 and output end static contact 62 are located at same straight line
Upper and midfeather, two ground terminal static contacts 7 be separately mounted to input terminal static contact 61 and output end static contact 62 just on
Side, moving contact 8 can move back and forth between two ground terminal static contacts 7 and input terminal static contact 61, output end static contact 62.
Electromagnetic assembly includes the static iron core 9 for being fixedly mounted on 1 bottom of shell and the coil 10 for being wrapped in 9 periphery of static iron core,
The surface of static iron core 9 is equipped with the dynamic iron core 11 being attracted with the cooperation of static iron core 9, is fixedly installed with positioning seat 12 inside shell 1,
Reaction spring 13 is installed, dynamic iron core 11 is mounted on the inside of reaction spring 13, and dynamic iron core 11 is far from static iron core 9 in positioning seat 12
One end be fixedly connected with a connecting rod 14, the tabletting for pressing reaction spring 13 is fixedly installed in connecting rod 14, connect
Perpendicular conductive link 15 is installed, the both ends of conductive link 15 are set with moving contact 8 at the top of bar 14.
Three-phase alternating current short circuit grounding device controls electromagnetic assembly by power distribution cabinet or distribution box, specially in power distribution cabinet
Control electric current is biphase current, and biphase current is connected respectively on electromagnetism power supply terminal 16, when electromagnetism power supply terminal 16 is powered, line
10 conducting of circle, static iron core 9 generate magnetic force, dynamic iron core 11 are attracted, and dynamic iron core 11 squeezes reaction spring 13 and moves down, and conduction is even
The moving contact 8 at 15 both ends of bar is respectively contacted input terminal static contact 61 and output end static contact 62, three-phase current conducting, ground line
Road disconnects；When needing to turn off three-phase current, electromagnetism power supply terminal 16 is powered off, and coil 10 powers off, and 9 magnetic force of static iron core disappears
It loses, dynamic iron core 11 is no longer attracted with static iron core 9, and dynamic iron core 11 is moved up by the elastic force of reaction spring 13, conductive link 15
Moving contact 8 and input terminal static contact 61, the output end static contact 62 at both ends disconnect, and then the moving contact 8 at 15 both ends of conductive link
It is contacted after moving up with two ground terminal static contacts 7, charge extra in three-phase current route is imported into underground.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of three-phase alternating current short circuit grounding device, special including shell (1) and the external terminal being mounted on the shell (1)
Sign is that shell (1) is interior and is provided with electromagnetic assembly and contact assembly, and the external terminal includes input power terminal (3), output
Power supply terminal (4) and ground terminal (5), the contact assembly include the input terminal static contact being mounted in the shell (1)
(61), output end static contact (62), moving contact (8) and two ground terminal static contacts (7), the electromagnetic assembly include being fixedly mounted
In the internal static iron core (9) of the shell (1) and it is wrapped in the coil (10) of the static iron core (9) periphery, the static iron core (9)
Surface the dynamic iron core (11) being attracted with the static iron core (9) cooperation is installed, it is fixed to be fixedly installed with inside the shell (1)
Position seat (12), the positioning seat (12) is interior to be equipped with reaction spring (13), and the dynamic iron core (11) is mounted on the reaction spring
(13) inside, the dynamic iron core (11) are fixedly connected with a connecting rod (14), the company far from the one end of the static iron core (9)
It is equipped on extension bar (14) perpendicular conductive link (15), the both ends of the conductive link (15) are set with the dynamic touching
Head (8).
2. three-phase alternating current short circuit grounding device as described in claim 1, it is characterised in that: the input terminal static contact (61) and defeated
Outlet static contact (62) is located along the same line and midfeather, and it is quiet that the ground terminal static contact (7) is mounted on the input terminal
The surface of contact (61) and output end static contact (62), the contact assembly further includes can be in the input terminal static contact
(61), the moving contact (8) of contact is moved back and forth between output end static contact (62) and ground terminal static contact (7).
3. three-phase alternating current short circuit grounding device as described in claim 1, it is characterised in that: output end static contact (62) side
Ground terminal static contact (7) and the output end static contact (62) between connect by conducting wire.
4. three-phase alternating current short circuit grounding device as described in claim 1, it is characterised in that: the external terminal further includes that electromagnetism supplies
Electric terminal (16), the electromagnetism power supply terminal (16) are connected as coil (10) power supply by conducting wire and the coil (10).
5. three-phase alternating current short circuit grounding device as described in claim 1, it is characterised in that: the input power terminal (3) is located at
The internal one end of shell (1) is connect by conducting wire with the input terminal static contact (61), and the out-put supply terminal (4) is located at outer
The internal one end of shell (1) is connect by conducting wire with the output end static contact (62), input terminal static contact (61) side
Ground terminal static contact (7) is connect by conducting wire with ground terminal (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920004844.1U CN209434114U (en) | 2019-01-03 | 2019-01-03 | Three-phase alternating current short circuit grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920004844.1U CN209434114U (en) | 2019-01-03 | 2019-01-03 | Three-phase alternating current short circuit grounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209434114U true CN209434114U (en) | 2019-09-24 |
Family
ID=67975257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920004844.1U Active CN209434114U (en) | 2019-01-03 | 2019-01-03 | Three-phase alternating current short circuit grounding device |
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| Country | Link |
|---|---|
| CN (1) | CN209434114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466717A (en) * | 2020-12-07 | 2021-03-09 | 浙江沃森泵阀科技(集团)有限公司 | AC contactor with temperature control |
-
2019
- 2019-01-03 CN CN201920004844.1U patent/CN209434114U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466717A (en) * | 2020-12-07 | 2021-03-09 | 浙江沃森泵阀科技(集团)有限公司 | AC contactor with temperature control |
| CN112466717B (en) * | 2020-12-07 | 2023-09-26 | 浙江沃森泵阀科技(集团)有限公司 | AC contactor with temperature control |
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