CN208985934U - A kind of strong and weak switch-dividing being electrically isolated - Google Patents
A kind of strong and weak switch-dividing being electrically isolated Download PDFInfo
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- CN208985934U CN208985934U CN201821958920.4U CN201821958920U CN208985934U CN 208985934 U CN208985934 U CN 208985934U CN 201821958920 U CN201821958920 U CN 201821958920U CN 208985934 U CN208985934 U CN 208985934U
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- accommodating cavity
- dividing
- switch
- strong
- electrically isolated
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Abstract
A kind of strong and weak switch-dividing being electrically isolated comprising breaker assembly, reclosing control assembly and gauge assembly, breaker assembly have input terminal, output terminal, contact system, handle, overload protecting mechanism and short current protective mechanism；Reclosing control assembly has motor, universal driving shaft, transmission mechanism and wiring board；Gauge assembly has metering chip and current transformer；The breaker assembly and the current transformer are arranged in the first accommodating cavity, the reclosing control assembly and the metering chip are arranged in the second accommodating cavity, there is isolation board between first accommodating cavity and second accommodating cavity, the shaft of the universal driving shaft and the handle is linked, and the current transformer is electrically connected with the metering chip.The strong and weak electricity of this switch is divided in different accommodating cavities to be separated by isolation board, is not only able to avoid interfering, and is safeguarded more convenient.
Description
Technical field
The utility model relates to the switch-dividings in small distribution case, especially small distribution case.
Background technique
The small distribution case of indoor power supply is usually embedded in wall, is protected by master switch, at least one switch-dividing and lightning protection
Protect module composition.Existing switch-dividing designs for integral type, on the one hand there is interference, influences the reliability of switch, on the other hand
It needs to watch out for electric shock when on-line maintenance, maintenance is inconvenient.
Utility model content
It is of the existing technology above-mentioned to solve the purpose of the utility model is to provide a kind of strong and weak switch-dividing being electrically isolated
Defect.
In order to achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of strong and weak switch-dividing being electrically isolated comprising:
Breaker assembly with input terminal, output terminal, is connected with the input terminal and the output terminal
Handle, overload protecting mechanism and the short current protective mechanism of contact system and the driving contact system；
Reclosing control assembly has motor, universal driving shaft, the driver being arranged between the universal driving shaft and the motor
The wiring board of structure and the control motor；And
Gauge assembly has metering chip and current transformer；
The breaker assembly and the current transformer are arranged in the first accommodating cavity, the reclosing control assembly and
The metering chip is arranged in the second accommodating cavity, has isolation board between first accommodating cavity and second accommodating cavity,
The shaft of the universal driving shaft and the handle is linked, and the current transformer is electrically connected with the metering chip.
In a kind of scheme, first accommodating cavity and second accommodating cavity are arranged in same housing.
In another scheme, first accommodating cavity and second accommodating cavity are arranged in different housings, the shell of shell
Wall constitutes the isolation board.
Preferably, the shell where the second accommodating cavity is additionally provided with zero curve input terminal, zero curve outlet terminal and third and holds
Chamber is set, isolation board is provided between the third accommodating cavity and second accommodating cavity, is arranged in the third accommodating cavity conductive
Piece, the both ends of the conductive sheet extend to the zero curve input terminal and the zero curve outlet terminal.
Preferably, the strong and weak switch-dividing being electrically isolated further includes communication interface, the communication interface setting with always open
It closes or the opposite side wall of other switch-dividings.
Preferably, the tie down screw of the tie down screw of the input terminal and the output terminal is by screw head and screw rod
Seat composition, the material of the screw head are metal, and the material of the screw bolt seat is insulating materials.
Compared with prior art, the utility model at least has the advantages that
Weak current part and strong power part are mounted in different accommodating cavities to be separated by isolation board, is not only able to avoid forceful electric power
Interference between light current, and light current place accommodating cavity is opened when on-line maintenance, it is not required to watch out for electric shock, maintenance is more convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of some embodiments of the utility model switch-dividing；
Fig. 2 is other example structure schematic diagrams of the utility model switch-dividing；
Fig. 3 is the structural schematic diagram of a preferred embodiment switch-dividing；
Fig. 4 is the distribution map of breaker assembly and current transformer in the first accommodating cavity；
Fig. 5 attaches most importance to distribution map of the shutting-brake control component in the second accommodating cavity.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples.
The inventive concept of the utility model is to separate the strong power part of switch-dividing and weak current part in two accommodating cavities
In, isolation board is set between two accommodating cavities, when reaching with this and avoid interference, improve reliability, and avoiding on-line maintenance
Electric shock worry.
As shown in Figure 1, in some embodiments, switch-dividing uses a shell 1, the inner cavity of the shell 1 by vertically every
Two accommodating cavities are separated into from plate 2.The strong power part of switch-dividing, including breaker assembly and current transformer are disposed therein
An accommodating cavity in, for convenience of description, be called the first accommodating cavity 3, and by the weak current part of switch-dividing, including reclosing control
Component processed and metering chip are arranged in another accommodating cavity, are referred to as the second accommodating cavity 4.The plate body in left side and the right side in Fig. 1
The plate body of side is the cover board of accommodating cavity.
As shown in Fig. 2, in further embodiments, switch-dividing uses two shells 1, two shells 1 are arranged side by side, shell
1 shell wall constitutes isolation board, and the inner cavity of two shells 1 forms two accommodating cavities.By the strong power part of switch-dividing, including it is disconnected
In the accommodating cavity that road device assembly and current transformer are disposed therein, for convenience of description, it is called the first accommodating cavity 3, and
The weak current part of switch-dividing, including reclosing control assembly and metering chip are arranged in another accommodating cavity, are referred to as
Second accommodating cavity 4.
Fig. 3 shows the structure of a preferred embodiment switch-dividing.Its shell uses two shells 1, in two shells 1
Upper end is also provided with trim 5.The shell on right side is arranged in including breaker assembly and current transformer for the strong power part of switch-dividing
In body 1 (i.e. the first accommodating cavity), left side is arranged in including reclosing control assembly and metering chip in the weak current part of switch-dividing
In shell 1 (i.e. the second accommodating cavity).
Referring to figure 4., breaker assembly include input terminal 201, output terminal 212, with the input terminal and described
Contact system 208, handle 206, overload protecting mechanism 210 and the short current protective mechanism 202 that output terminal is connected.Handle 206
Installation can rotate in the housing around first axle 205, and 208 one side of contact system is coupled by interlocking bar 207 with handle 206, when
Handle 206 around first axle 205 rotate when, drive interlocking bar 207 act, and then by interlocking bar 207 with movable contact system 208 around
Second axis 209 is rotated counterclockwise or is rotated clockwise, and realizes separating brake or combined floodgate.
Contact system 208 is also linked by another interlocking bar 207 with overload protecting mechanism 210, the overload protection
Mechanism 210 is bimetal leaf, and when circuit is in overload fault, right direction Bending Deformation of the bimetal leaf into Fig. 4 is driven
Interlocking bar 207 moves right, and then rotates counterclockwise with movable contact system 208 around the second axis 209, and breaker is made to enter separating brake shape
State.
Short current protective mechanism 202 is magnetictrip, and coil is connected between stationary contact and input terminal 201, defeated
The end of rod 203 and the contact system 208 are opposite, and when circuit is in short trouble, the magnetic field that coil generates pushes defeated
Right direction of the rod 203 into Fig. 4 moves, push contact system 208 rotated counterclockwise around the second axis 209, make breaker into
Enter gate-dividing state.
First axle 205 is provided with attachment 204 along its axial direction, for cooperating with the universal driving shaft for being overlapped gate assembly, driving touching
Head system 208 is rotated around the second axis 209, realizes separating brake or combined floodgate.
Current transformer 211 is for acquiring current value, for monitor current data and statistics electricity consumption.
Referring to figure 5., reclosing control assembly includes motor 107, universal driving shaft 104, is arranged in the universal driving shaft 104 and institute
State the wiring board 102 of the transmission mechanism 103 and the control motor between motor 107.Transmission mechanism 103 include gear set,
The worm screw (not shown) being arranged on motor shaft and the linkage gear (not shown) being arranged on universal driving shaft 104.One side of gear set
Face is engaged with linkage gear, is on the other hand had worm gear part, is meshed with the worm screw on motor shaft, when motor 107 works, motor
Worm drive gear set on axis and then the rotation of universal driving shaft 104 is driven by linkage gear.With further reference to Fig. 3, universal driving shaft
104 cooperate with the attachment 204 in Handle axis (first axle 205), and the rotation of universal driving shaft 104 will be with fixed handle around first axle 205
Rotation, and then rotated with movable contact system, to realize combined floodgate or separating brake.
Wiring board 102 receives control signal, and control motor 107 forward or reverse, realizes combined floodgate or separating brake.In addition, online
Metering chip (not shown) is provided on road plate 102, metering chip is electrically connected with current transformer 211 (see Fig. 4), realizes open circuit
Device the statistics of the monitoring of electric current and electricity in circuit.
As shown in figure 5, the shell where being overlapped gate assembly where accommodating cavity (i.e. the second accommodating cavity) be additionally provided with zero curve into
Line terminals 101, zero curve outlet terminal 105 and third accommodating cavity 108, the third accommodating cavity 108 and second accommodating cavity it
Between be provided with isolation board 109, conductive sheet 106 is set in the third accommodating cavity 108, and the both ends of the conductive sheet 106 extend to
The zero curve input terminal 101 and the zero curve outlet terminal 105.In this way, constructing zero curve channel in switch-dividing, separating
It shuts and constructs zero curve connecting terminal, each route road is allowed to draw firewire and zero curve (note: existing from the same switch-dividing
In distribution box, zero curve uses common terminal, and the zero curve of all switch-dividings connects in common terminal), make
The wiring obtained in distribution box is more regular, and circuit maintenance is more convenient.
Referring to figure 3., the switch-dividing which is electrically isolated further comprises communication interface 6, and the communication interface 6 is arranged
In the side wall opposite with master switch or other switch-dividings.In this way, working as switch-dividing and master switch or switch-dividing and switch-dividing etc. side by side
When combination, the communication interface 6 of side wall is plugged, and realizes communication connection, so that communication connection is more convenient.In addition, in shell
The position of upper corresponding current mutual inductor 211 offers through-hole 213, and current transformer 211 passes through in the through-hole and another shell
Metering chip electrical connection, so that line is more convenient.
Also in some more preferably embodiments, the tie down screw of the tie down screw of the input terminal and the output terminal
It is made of screw head and screw bolt seat, the material of the screw head is metal, and the material of the screw bolt seat is insulating materials.Using
This tie down screw, the electric current on conducting wire will not be conducted to the leakage part of tie down screw, thus even if inadvertently contacting lock
The leakage part of tight screw rod, will not get an electric shock.Wherein, the preferred plastic spiral pole socket of screw bolt seat, and be arranged in the end of screw head
There is interconnecting piece, the periphery clinkering that the front end of screw bolt seat is wrapped in the interconnecting piece is fixed, and links screw bolt seat and screw head with this
It is integrated.
The utility model is described in detail above by specific embodiment, these detailed description are only limited to
The content of the utility model is helped skilled in the art to understand, the limit to scope of protection of the utility model can not be interpreted as
System.Those skilled in the art should all wrap various retouchings, the equivalent transformation etc. that above scheme carries out under the utility model design
Containing within the protection scope of the present utility model.
Claims (6)
1. a kind of strong and weak switch-dividing being electrically isolated characterized by comprising
Breaker assembly has input terminal, output terminal, the contact being connected with the input terminal and the output terminal
Handle, overload protecting mechanism and the short current protective mechanism of system and the driving contact system；
Reclosing control assembly, have motor, universal driving shaft, the transmission mechanism being arranged between the universal driving shaft and the motor,
And the wiring board of the control motor；And
Gauge assembly has metering chip and current transformer；
The breaker assembly and the current transformer are arranged in the first accommodating cavity, the reclosing control assembly and described
Metering chip is arranged in the second accommodating cavity, has isolation board between first accommodating cavity and second accommodating cavity, described
The shaft of universal driving shaft and the handle is linked, and the current transformer is electrically connected with the metering chip.
2. the strong and weak switch-dividing being electrically isolated according to claim 1, which is characterized in that first accommodating cavity and described the
Two accommodating cavities are arranged in same housing.
3. the strong and weak switch-dividing being electrically isolated according to claim 1, which is characterized in that first accommodating cavity and described the
Two accommodating cavities are arranged in different housings, and the shell wall of shell constitutes the isolation board.
4. the strong and weak switch-dividing being electrically isolated according to claim 3, which is characterized in that the shell where the second accommodating cavity is also
Be provided with zero curve input terminal, zero curve outlet terminal and third accommodating cavity, the third accommodating cavity and second accommodating cavity it
Between be provided with isolation board, conductive sheet is set in the third accommodating cavity, and the both ends of the conductive sheet extend to the zero curve inlet wire
Terminal and the zero curve outlet terminal.
5. the strong and weak switch-dividing being electrically isolated as claimed in any of claims 1 to 4, which is characterized in that the power
The switch-dividing of electric isolution further includes communication interface, and the side opposite with master switch or other switch-dividings is arranged in the communication interface
Wall.
6. the strong and weak switch-dividing being electrically isolated according to claim 5, which is characterized in that the tie down screw of the input terminal
It is made of with the tie down screw of the output terminal screw head and screw bolt seat, the material of the screw head is metal, the spiral shell
The material of pole socket is insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821958920.4U CN208985934U (en) | 2018-11-26 | 2018-11-26 | A kind of strong and weak switch-dividing being electrically isolated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821958920.4U CN208985934U (en) | 2018-11-26 | 2018-11-26 | A kind of strong and weak switch-dividing being electrically isolated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208985934U true CN208985934U (en) | 2019-06-14 |
Family
ID=66791489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821958920.4U Active CN208985934U (en) | 2018-11-26 | 2018-11-26 | A kind of strong and weak switch-dividing being electrically isolated |
Country Status (1)
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| CN (1) | CN208985934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115101393A (en) * | 2022-05-17 | 2022-09-23 | 国网山东省电力公司临沭县供电公司 | Automatic closing device for low-voltage switch under voltage loss tripping |
-
2018
- 2018-11-26 CN CN201821958920.4U patent/CN208985934U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115101393A (en) * | 2022-05-17 | 2022-09-23 | 国网山东省电力公司临沭县供电公司 | Automatic closing device for low-voltage switch under voltage loss tripping |
| CN115101393B (en) * | 2022-05-17 | 2023-09-01 | 国网山东省电力公司临沭县供电公司 | Automatic closing device for low-voltage switch voltage-losing tripping |
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