CN107912010B - A kind of anti-interference power equipment based on shielded layer principle - Google Patents
A kind of anti-interference power equipment based on shielded layer principle Download PDFInfo
- Publication number
- CN107912010B CN107912010B CN201711141098.2A CN201711141098A CN107912010B CN 107912010 B CN107912010 B CN 107912010B CN 201711141098 A CN201711141098 A CN 201711141098A CN 107912010 B CN107912010 B CN 107912010B
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- China
- Prior art keywords
- locating piece
- pedestal
- positioning
- shielded layer
- shaft
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/026—Movable parts and contacts mounted thereon
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Patch Boards (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a kind of anti-interference power equipments based on shielded layer principle, including cabinet body and distribution mechanism, shielded layer is provided between cabinet body and distribution mechanism, distribution mechanism includes disconnecting switch, current transformer and breaker, disconnecting switch includes handle, pedestal, turning rod, shaft, static contact and moving contact, mounting rack is provided in cabinet body, pedestal is arranged on mounting rack, static contact is fixed on the base and connects external bus, one end of turning rod is connect with shaft, the other end is provided with slide opening, handle is hingedly on the cabinet, one end of handle is provided with sliding block, sliding block sliding is arranged in slide opening.In cabinet body and the inter-agency setting shielded layer of distribution, it can be effectively prevent interference of the external electromagnetic field to distribution mechanism, guarantee that distribution mechanism operates normally.When needing to overhaul power distribution cabinet, operator pulls handle, drive shaft rotation, to drive moving contact to separate with static contact, disconnecting circuit connection facilitates operator to overhaul power distribution cabinet after disconnecting external load.
Description
Technical field
The present invention relates to a kind of power equipment, more particularly to a kind of anti-interference electric power based on shielded layer principle
Equipment.
Background technique
Shielding is exactly the isolation to metal is carried out between two spaces region, to control electric field, magnetic field and electromagnetic wave by one
Induction and radiation of a region to another region.Specifically, be exactly with shield by component, circuit, sub-assembly, cable or
The interference source of whole system is surrounded, and prevents interference electromagnetic field to external diffusion；Circuit, equipment or system will be received with shield
It is surrounded, prevents their influences by external electromagnetic field.Because shield to from conducting wire, cable, component, circuit or
The external interference electromagnetic wave such as system and internal electromagnetic wave, which play, absorbs that energy (eddy-current loss), (electromagnetic wave exists reflected energy
On shield interface reflection) and offset energy (electromagnetic induction generates reversed electromagnetic field on the shielding layer, can offset part interfere
Electromagnetic wave) effect, so shield have the function of weaken interference.
For power distribution cabinet itself due to being biggish interference source, internal function original part not only generates electromagnetic wave, but also for
Electromagnetic shielding has different requirements.Power distribution cabinet may be run under electromagnetic wave complex jamming environment, it is also possible to be located to electromagnetism
Interference has operation in the environment of high requirement.The electric appliances such as current transformer, multiple breakers member is typically provided in power distribution cabinet
Part, for connecting bus and load.Operator needs to disconnect in the circuit of bus when overhauling circuit, if passing through behaviour
Make breaker disconnecting circuit, then needs multi-pass operation.
Summary of the invention
It is a kind of with shielding electromagnetic interference effect in view of the deficiencies of the prior art, the present invention intends to provide
Power distribution cabinet, need to only operate once can disconnecting circuit.
To achieve the above object, the present invention provides the following technical scheme that a kind of anti-interference electricity based on shielded layer principle
Power equipment, including cabinet body and distribution mechanism, distribution mechanism are arranged in cabinet body, and shielding is provided between cabinet body and distribution mechanism
Layer, distribution mechanism includes disconnecting switch, current transformer and breaker, and current transformer is connect with breaker, disconnecting switch string
It being connected between current transformer and breaker, disconnecting switch includes handle, pedestal, turning rod, shaft, static contact and moving contact,
Mounting rack is provided in cabinet body, pedestal is arranged on mounting rack, and static contact is fixed on the base and connects external bus, and shaft turns
Dynamic to be set on the base, moving contact is fixedly connected with shaft and connect with circuit breaker electric, when the spindle is rotated, drive moving contact and
Static contact connects or separates, and one end of turning rod is connect with shaft, and the other end is provided with slide opening, handle hingedly on the cabinet, hand
One end of handle is provided with sliding block, and sliding block sliding is arranged in slide opening, with when handle is pulled, driving turning rod is swung, thus
Drive shaft rotation.
It as a further improvement of the present invention, further include positioning mechanism for position fixing handle, positioning mechanism includes positioning
Bar, spring, sleeve, positioning ball and locating piece, the fixed locating slot being provided on the cabinet, on locating piece in W type of locating piece are fixed
It is provided with the first positioning region and the second positioning region in the slot of position, one end of locating rod is fixedly connected with handle, and sleeve is fixed on positioning
The other end of bar, positioning ball be arranged in sleeve, spring be arranged in sleeve, one end offsets with sleeve bottom, the other end with determine
Position ball offsets, and positioning ball is pushed to offset with locating slot, and positioning ball is made to be located at the first positioning region or the second positioning region, when positioning ball exists
When in the first positioning region, switch is disconnected, and when positioning ball in the second positioning region, is closed the switch.
As a further improvement of the present invention, the position limiting structure of the rotational angle for limiting shaft is provided in shaft.
As a further improvement of the present invention, position limiting structure includes the limit plate being fixed on the base and is fixed on shaft
On the first limit block and the second limit block, when position ball in the first positioning region when, the first limited block offsets with limit plate；When
When positioning ball in the second positioning region, the second limited block offsets with limit plate.
As a further improvement of the present invention, the first limited block is wholely set with the second limited block, and whole is in triangular shape, Gu
It is scheduled on the side wall of shaft.
As a further improvement of the present invention, the positioning of the positioning base in mounting seat is provided on mounting rack and pedestal
Structure, location structure include at least three first locating pieces and quantity second locating piece equal with the first locating piece, and first is fixed
Position part is fixed on the base, and the second locating piece is fixed on mounting rack and corresponds with the position of the first locating piece, installs bottom
When seat, the first locating piece is located at the top of the second locating piece and inconsistent with the second locating piece, so that pedestal is located in installation
On frame.
As a further improvement of the present invention, the first locating piece and the second locating piece are square.
As a further improvement of the present invention, the section of the second locating piece is in barb-like, and the first locating piece is square, installation
When pedestal, the first locating piece is embedded in the second locating piece, so that pedestal is located on mounting rack.
As a further improvement of the present invention, the shield for protective separation switch is provided on pedestal, shield
One end is hinged on pedestal, and the other end and pedestal fasten.
Beneficial effects of the present invention can effectively prevent external electromagnetic field pair in cabinet body and the inter-agency setting shielded layer of distribution
The interference of distribution mechanism guarantees that distribution mechanism operates normally.When needing to overhaul power distribution cabinet, operator disconnects external load
Afterwards, handle is pulled, driving turning rod is swung, and band movable slider slides in slide opening, so that drive shaft rotates, to drive moving contact
It is separated with static contact, disconnecting circuit connection facilitates operator to overhaul power distribution cabinet.
Detailed description of the invention
Fig. 1 is overall structure figure of the invention；
Fig. 2 is cutting structure chart of the invention；
Fig. 3 is the partial enlarged view of Fig. 2 mark；
Fig. 4 is the structure chart of the opposing face of Fig. 1；
Fig. 5 is the partial enlarged view of Fig. 4 mark.
Specific embodiment
The present invention is described in further detail below in conjunction with embodiment given by attached drawing.
Referring to figs. 1 to shown in Fig. 5, a kind of anti-interference power equipment based on shielded layer principle of the present embodiment, including cabinet
Body 1 and distribution mechanism, distribution mechanism are arranged in cabinet body 1, and shielded layer, distribution mechanism are provided between cabinet body 1 and distribution mechanism
Including disconnecting switch 3, current transformer 5 and breaker 6, current transformer 5 is connect with breaker 6, and disconnecting switch 3 is connected in electricity
Between current transformer 5 and breaker 6, disconnecting switch 3 includes handle 31, pedestal 32, drive rod, turning rod 34, shaft 35, stationary contact
First 36 and moving contact 37, mounting rack 4 is provided in cabinet body 1, and pedestal 32 is arranged on mounting rack 4, and static contact 36 is fixed on pedestal
On 32 and connection external bus, shaft 35 is rotatably arranged on pedestal 32, moving contact 37 be fixedly connected with shaft 35 and with open circuit
Device 6 be electrically connected, when shaft 35 rotate when, drive moving contact 37 connected or separated with static contact 36, one end of turning rod 34 with turn
Axis 35 connects, and the other end is provided with slide opening 7, and handle 31 is hinged on cabinet body 1, and one end of handle 31 is provided with sliding block 8, sliding block 8
Sliding is arranged in slide opening 7, with when handle 31 is pulled, driving turning rod 34 is swung, so that drive shaft 35 rotates.
In cabinet body 1 and the inter-agency setting shielded layer of distribution, it can be effectively prevent interference of the external electromagnetic field to distribution mechanism, protected
Distribution mechanism is demonstrate,proved to operate normally.When needing to overhaul power distribution cabinet, operator pulls handle 31 after disconnecting external load, drives
Dynamic turning rod 34 is swung, and band movable slider 8 slides in slide opening 7, so that drive shaft 35 rotates, to drive moving contact 37 and stationary contact
First 36 separate, disconnecting circuit connection.By above-mentioned setting, operator need to only operate once can disconnecting circuit, facilitate operation
Personnel overhaul power distribution cabinet.
It further include the positioning mechanism for position fixing handle 31, positioning mechanism packet as a kind of improved specific embodiment
It includes locating rod 91, spring 92, sleeve 93, positioning ball 94 and locating piece 95, locating piece 95 to be fixed on cabinet body 1, on locating piece 95
It is provided with the locating slot 96 in W type, is provided with the first positioning region 97 and the second positioning region 98 in locating slot 96, the one of locating rod 91
End is fixedly connected with handle 31, and sleeve 93 is fixed on the other end of locating rod 91, and positioning ball 94 is arranged in sleeve 93, spring 92
It is arranged in sleeve 93, one end offsets with 93 bottom of sleeve, and the other end offsets with positioning ball 94, pushes positioning ball 94 and locating slot
96 offset, and positioning ball 94 is made to be located at the first positioning region 97 or the second positioning region 98, when positioning ball 94 in the first positioning region 97,
Switch disconnects, and when positioning ball 94 in the second positioning region 98, closes the switch.
When operator pulls handle 31, drive sleeve 93 is swung, to drive positioning ball 94 sliding in locating slot 96
It moves, spring 92 pushes positioning ball 94 to offset with locating slot 96, to make to position ball 94 in the first positioning region 97 and the second positioning region
Conversion in 98, when positioning ball 94 in the first positioning region 97, switch is disconnected, when positioning ball 94 in the second positioning region 98,
It closes the switch, by above structure, controls handle 31 and converted between two states, thus the disconnection and closure of control switch, knot
Structure is simple, stable.
As a kind of improved specific embodiment, the limit of the rotational angle for limiting shaft 35 is provided in shaft 35
Bit architecture.
Position limiting structure includes the limit plate 13 being fixed on pedestal 32 and the first limited block 12 being fixed in shaft 35
With the second limited block 13, when positioning ball 94 in the first positioning region 97, the first limited block 12 offsets with limit plate 13；Work as positioning
When ball 94 is in the second positioning region 98, the second limited block 13 offsets with limit plate 13.
First limited block 12 and the second limited block 13 limit the rotation pole of shaft 35 from both sides when shaft 35 is rotated respectively
Limit prevents from causing positioning ball 94 to be detached from out of locating slot 96 because 35 rotational angle of shaft is excessive, causing switch that can not position.
As a kind of improved specific embodiment, the first limited block 12 is wholely set with the second limited block 13, is integrally in
Triangular shape is fixed on the side wall of shaft 35.
The first limited block 12 and the second limited block 13 is arranged such, structure is simple, secured and easy to manufacture.
As a kind of improved specific embodiment, the positioning in mounting seat 32 is provided on mounting rack 4 and pedestal 32
The location structure of pedestal 32, location structure include equal with the first locating piece d1 of at least three first locating piece d1 and quantity
Two locating piece d2, the first locating piece d1 are fixed on pedestal 32, the second locating piece d2 be fixed on mounting rack 4 and with the first positioning
The position of part d1 corresponds, and when mounting seat 32, the first locating piece d1 is located at the top of the second locating piece d2 and determines with second
Position part d2 is inconsistent, so that pedestal 32 is located on mounting rack 4.
Existing disconnecting switch 3 is installed on mounting rack 4 by bolt, during installation operator need catch every
Pass 3 is left, then screwdriver is operated with hand, disconnecting switch 3 is installed on mounting rack 4, in the biggish disconnecting switch 3 of volume
When, operator single can not complete aforesaid operations, it is necessary to which more people carry out aforesaid operations jointly.Now setting by location structure
It sets, when installing disconnecting switch 3, is cooperated using the first locating piece d1 and the second locating piece d2, by disconnecting switch 3 and mounting rack 4
Mutually position, then operator can operation screwdriver, the installation of breaker 6 can be completed, keep whole installation process simpler
Just, operation can be completed in one.
As a kind of improved specific embodiment, the first locating piece d1 and the second locating piece d2 are square.
Rectangular the first locating piece d1 and the second locating piece d2 structure is simple, easy to manufacture, during installation, by the first positioning
Part d1 is placed into above the second locating piece d2, and the second locating piece d2 supports the gravity of the first locating piece d1, positions the first locating piece
d1。
As a kind of improved specific embodiment, in barb-like, the first locating piece d1 is in for the section of the second locating piece d2
Rectangular, when mounting seat 32, the first locating piece d1 is embedded in the second locating piece d2, so that pedestal 32 is located on mounting rack 4.
Second locating piece d2 in mounting seat 32, the first locating piece d1 is put into the second locating piece d2 in barb-like,
The second barb-like locating piece d2 limits the first locating piece d1 in the gravity for supporting the first locating piece d1, while from side, prevents
First locating piece d1 is slipped because vibrated from side.
As a kind of improved specific embodiment, it is provided with the shield for protective separation switch 3 on pedestal 32, prevents
One end of shield is hinged on pedestal 32, and the other end and pedestal 32 fasten.
It by the setting of shield, prevents disconnecting switch 3 from receiving the erosion of dust or rainwater, improves making for disconnecting switch 3
Use the service life.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of anti-interference power equipment based on shielded layer principle, including cabinet body (1) and distribution mechanism, the distribution mechanism are set
It sets in cabinet body (1), it is characterised in that: shielded layer, distribution mechanism packet are provided between the cabinet body (1) and distribution mechanism
Disconnecting switch (3), current transformer and breaker are included, the current transformer is connect with breaker, disconnecting switch (3) string
It is connected between current transformer (5) and breaker (6), the disconnecting switch (3) includes handle (31), pedestal (32), turning rod
(34), shaft (35), static contact (36) and moving contact (37), the cabinet body (1) is interior to be provided with mounting rack (4), the pedestal
(32) it is arranged on mounting rack (4), the static contact (36) is fixed on pedestal (32) and connects external bus, the shaft
(35) it being rotatably arranged on pedestal (32), the moving contact (37) is fixedly connected with shaft (35) and is electrically connected with breaker (6),
When shaft (35) rotation when, drive moving contact (37) connected or separated with static contact (36), one end of the turning rod (34) and
Shaft (35) connection, the other end are provided with slide opening (7), and the handle (31) is hinged on cabinet body (1), and the one of the handle (31)
End is provided with sliding block (8), and sliding block (8) the sliding setting is in slide opening (7), to drive overturning when handle (31) is pulled
Bar (34) is swung, so that drive shaft (35) rotates.
2. a kind of anti-interference power equipment based on shielded layer principle according to claim 1, it is characterised in that: further include
For the positioning mechanism of position fixing handle (31), the positioning mechanism includes locating rod (91), spring (92), sleeve (93), positioning
Ball (94) and locating piece (95), the locating piece (95) are fixed on cabinet body (1), are provided on the locating piece (95) in W type
Locating slot (96), is provided with the first positioning region (97) and the second positioning region (98), the locating rod in the locating slot (96)
(91) one end is fixedly connected with handle (31), and the sleeve (93) is fixed on the other end of locating rod (91), the positioning ball
(94) setting is in sleeve (93), and in sleeve (93), one end offsets with sleeve (93) bottom, another for spring (92) setting
End offsets with positioning ball (94), and positioning ball (94) is pushed to offset with locating slot (96), and positioning ball (94) is made to be located at the first positioning region
(97) or the second positioning region (98) switch and disconnect when positioning ball (94) when the first positioning region (97) are interior, when positioning ball (94) exists
When second positioning region (98) is interior, close the switch.
3. a kind of anti-interference power equipment based on shielded layer principle according to claim 2, it is characterised in that: described turn
The position limiting structure of the rotational angle for limiting shaft (35) is provided on axis (35).
4. a kind of anti-interference power equipment based on shielded layer principle according to claim 3, it is characterised in that: the limit
Bit architecture include the limit plate (11) that is fixed on pedestal (32) and the first limited block (12) being fixed on shaft (35) and
Second limited block (13), when positioning ball (94) when the first positioning region (97) are interior, the first limited block (12) and limit plate (11) phase
It supports；When positioning ball (94) is when the second positioning region (98) are interior, the second limited block (13) offsets with limit plate (11).
5. a kind of anti-interference power equipment based on shielded layer principle according to claim 4, it is characterised in that: described
One limited block (12) is wholely set with the second limited block (13), and whole is in triangular shape, is fixed on the side wall of shaft (35).
6. a kind of anti-interference power equipment based on shielded layer principle according to claim 5, it is characterised in that: the peace
Shelve the location structure that the positioning base (32) at mounting seat (32) is provided on (4) and pedestal (32), the location structure
Including at least three first locating pieces (d1) and quantity second locating piece (d2) equal with the first locating piece (d1), described first
Locating piece (d1) is fixed on pedestal (32), second locating piece (d2) be fixed on mounting rack (4) and with the first locating piece
(d1) position corresponds, when mounting seat (32), the first locating piece (d1) be located at the top of the second locating piece (d2) and with
Second locating piece (d2) is inconsistent, so that pedestal (32) is located on mounting rack (4).
7. a kind of anti-interference power equipment based on shielded layer principle according to claim 6, it is characterised in that: described
Positioning piece (d1) and the second locating piece (d2) are square.
8. a kind of anti-interference power equipment based on shielded layer principle according to claim 6, it is characterised in that: described
In barb-like, first locating piece (d1) is square in the section of two locating pieces (d2), when mounting seat (32), the first locating piece
(d1) it is embedded in the second locating piece (d2), so that pedestal (32) is located on mounting rack (4).
9. a kind of anti-interference power equipment based on shielded layer principle according to claim 7 or 8, it is characterised in that: institute
The shield being provided on pedestal (32) for protective separation switch (3) is stated, one end of the shield is hinged on pedestal (32)
On, the other end and pedestal (32) fasten.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711141098.2A CN107912010B (en) | 2017-11-16 | 2017-11-16 | A kind of anti-interference power equipment based on shielded layer principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711141098.2A CN107912010B (en) | 2017-11-16 | 2017-11-16 | A kind of anti-interference power equipment based on shielded layer principle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107912010A CN107912010A (en) | 2018-04-13 |
| CN107912010B true CN107912010B (en) | 2019-08-27 |
Family
ID=61845950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711141098.2A Active CN107912010B (en) | 2017-11-16 | 2017-11-16 | A kind of anti-interference power equipment based on shielded layer principle |
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| Country | Link |
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| CN (1) | CN107912010B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957072B (en) * | 2018-09-10 | 2021-01-12 | 温州电力设计有限公司 | Waterproof dustproof ammeter |
| CN109449048A (en) * | 2018-12-28 | 2019-03-08 | 苏州富强科技有限公司 | Anti-interference protective device |
| CN116653664B (en) * | 2023-05-17 | 2023-11-14 | 中科聚(北京)能源科技有限公司 | Charging cabinet and energy router |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201390267Y (en) * | 2009-03-31 | 2010-01-27 | 天津市铁信工贸发展有限公司 | Spring positioning switch device |
| CN204424105U (en) * | 2014-12-30 | 2015-06-24 | 雷顿电气科技有限公司 | Isolating switch |
| CN206640171U (en) * | 2017-01-04 | 2017-11-14 | 繁昌县易能科技有限责任公司 | A kind of Multifunctional power distribution cabinet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09331609A (en) * | 1996-06-11 | 1997-12-22 | Takaoka Electric Mfg Co Ltd | Gas-insulated switchgear |
-
2017
- 2017-11-16 CN CN201711141098.2A patent/CN107912010B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201390267Y (en) * | 2009-03-31 | 2010-01-27 | 天津市铁信工贸发展有限公司 | Spring positioning switch device |
| CN204424105U (en) * | 2014-12-30 | 2015-06-24 | 雷顿电气科技有限公司 | Isolating switch |
| CN206640171U (en) * | 2017-01-04 | 2017-11-14 | 繁昌县易能科技有限责任公司 | A kind of Multifunctional power distribution cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107912010A (en) | 2018-04-13 |
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