CN206401796U - A kind of non-maintaining high-voltage ring main unit of small size - Google Patents
A kind of non-maintaining high-voltage ring main unit of small size Download PDFInfo
- Publication number
- CN206401796U CN206401796U CN201720079359.1U CN201720079359U CN206401796U CN 206401796 U CN206401796 U CN 206401796U CN 201720079359 U CN201720079359 U CN 201720079359U CN 206401796 U CN206401796 U CN 206401796U
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- CN
- China
- Prior art keywords
- cabinet
- main unit
- ring main
- small size
- high voltage
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of non-maintaining high-voltage ring main unit of small size, including cabinet, the cabinet is internally provided with insulating barrier, and the upper surface of insulating barrier is installed with bus, the side of bus is provided with high voltage load switch；The lower end of the cabinet is provided with current transformer, and the lower end of current transformer is provided with earthed switch, and the lower end of earthed switch is provided with arrester, and the other end of arrester is fixedly connected with cabinet.The non-maintaining high-voltage ring main unit of this small size passes through lightning rod and fuse are laterally arranged in cabinet, greatly save the inner space of cabinet, reduce the volume of cabinet；Can be understood in real time inside high-voltage ring main unit by the fault detector of setting it is whether normal between each terminals, and earthed switch whether normal ground, without repairing when normal, when occurring abnormal, it can in time place under repair, without carrying out periodically being overhauled again, save manpower.
Description
Technical field
The utility model is related to technical field of electric equipment, the non-maintaining high-voltage ring main unit of specially a kind of small size.
Background technology
High-voltage ring main unit is, to improve power supply reliability, user is obtained power supply from both direction, will generally to power
Net connection is circularized.This power supply mode is referred to as ring network power supply.In industrial and mining enterprises, residential quarters, harbour and skyscraper etc.
Exchange in 10KV distribution systems, because load is held less, its high tension loop is generally controlled using on-load switch or vacuum contactor, and
Equipped with high-tension fuse protection, the system is generally powered using ring network, is used and is referred to as ring in high-tension switch cabinet general custom
Net cabinet, but traditional high-voltage ring main unit volume is big, the space of occupancy is big, it has not been convenient to used in the less place in some spaces,
And need manually periodically to overhaul circuit.
Utility model content
The purpose of this utility model is to provide a kind of small size non-maintaining high-voltage ring main unit possess small volume, exempts from dimension
The advantage of shield, solves volume in the prior art big, it is necessary to the problem of manually periodically being overhauled.
To achieve the above object, the utility model provides following technical scheme：A kind of non-maintaining high pressure ring of small size
Cabinet, including cabinet, the cabinet are internally provided with insulating barrier, and insulating barrier is fixedly mounted on the middle upper end of cabinet, insulation
The upper surface of dividing plate is installed with bus, and the side of bus is provided with high voltage load switch, and output end and the high pressure of bus are born
The incoming end connection of lotus switch；The lower end of the cabinet is provided with current transformer, and current transformer is fixedly mounted on high pressure and born
On the cabinet of lotus switch lower end；The output end of the high voltage load switch and the incoming end of current transformer are connected, Current Mutual Inductance
The lower end of device is provided with earthed switch, and the incoming end of earthed switch connects the output end of current transformer；The earthed switch
Lower end is provided with arrester, and one end of arrester is fixedly connected with earthed switch, and the other end of arrester is fixedly connected with cabinet；
The side of the high voltage load switch is provided with operating mechanism, and operating mechanism includes rotating shaft, action bars, motor and shift knob,
Rotating shaft is contacted with high voltage load switch and action bars is provided with connection, rotating shaft, and action bars is fixedly connected with the axis body of rotating shaft；Institute
The other end for stating rotating shaft is provided with motor, and the rotor of motor is fixedly connected with rotating shaft；The outer face of the cabinet is provided with switch
Button.
It is preferred that, it is serially connected with fuse between the current transformer high voltage load switch.
It is preferred that, fault detector is provided with the cabinet, fault detector includes short-circuit sensor, earth fault and passed
Sensor and readout instrument dial plate, short-circuit sensor and ground fault sensor are electrically connected with readout instrument dial plate.
It is preferred that, it is connected with electrification display on the earthed switch.
It is preferred that, the arrester is transversely mounted on the upper end of cabinet.
Compared with prior art, the beneficial effects of the utility model are as follows：
The non-maintaining high-voltage ring main unit of this small size by bus and high voltage load switch by being disposed side by side on insulating barrier
Upper surface, arrangement sets current transformer and earthed switch, lightning rod and fuse successively on the lower end cabinet of insulating barrier
Laterally it is arranged in cabinet, greatlys save the inner space of cabinet, reduce the volume of cabinet；The electrification display of setting
Maintenance personal can be easy to be repaired, safety coefficient is improved, referred to by the failure of setting with whether powered inside detecting box body
Show whether device can understand in real time normal between each terminals inside high-voltage ring main unit, and earthed switch whether normal ground,
Without repairing when normal, when occurring abnormal, it can in time place under repair, without carrying out periodically being overhauled again, save people
Power.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram.
In figure：1 cabinet, 2 insulating barriers, 3 buses, 4 high voltage load switches, 5 current transformers, 6 earthed switches,
7 arresters, 8 operating mechanisms, 81 rotating shafts, 82 action bars, 83 motors, 84 shift knobs, 9 fuses, 10 failures refer to
Show device, 101 short-circuit sensors, 102 ground fault sensors, 103 readout instrument dial plates, 11 electrification displays.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Referring to Fig. 1, a kind of non-maintaining high-voltage ring main unit of small size, including cabinet 1, cabinet 1 is internally provided with absolutely
Edge dividing plate 2, insulating barrier 2 is fixedly mounted on the middle upper end of cabinet 1, and 1 point by cabinet of insulating barrier 2 is two layers up and down, insulation every
The upper surface of plate 2 is installed with bus 3, and the side of bus 3 is provided with high voltage load switch 4, the output end and high pressure of bus 3
The incoming end connection of on-load switch 4, the side of the high voltage load switch 4 is provided with operating mechanism 8, and operating mechanism 8 includes turning
Axle 81, action bars 82, motor 83 and shift knob 84, rotating shaft 81 contact connection, the upper setting of rotating shaft 81 with high voltage load switch 4
There is action bars 82, action bars 82 is fixedly connected with the axis body of rotating shaft 81, by rotating operation bar 82, and rotating shaft 81 can be driven to rotate,
Rotating shaft 81 rotates to control the shut-off of high voltage load switch 4；The other end of rotating shaft 81 is provided with motor 83, the rotor of motor 83
It is fixedly connected with rotating shaft 81；The outer face of cabinet 1 is provided with shift knob 84, and motor 83 connects extraneous power supply, when pressing switch
During button 84, motor 83 is worked, and rotating shaft 81 is rotated so as to control the shut-off of high voltage load switch 4, by setting the He of action bars 82
The two ways such as motor 83 control the shut-off of high voltage load switch 4 so that more convenient and safe；The lower end of cabinet 1 is set
There is current transformer 5, current transformer 5 is fixedly mounted on the cabinet 1 of the lower end of high voltage load switch 4；High voltage load switch 4
Output end is connected with the incoming end of current transformer 5, and fuse 9 is serially connected between current transformer 5 and high voltage load switch 4, by
Interrupting short circuit is unable in high voltage load switch 4, therefore the fuse 9 of concatenation can play interrupting short circuit, protection dress
The effect put, the lower end of current transformer 5 is provided with earthed switch 6, the incoming end connection current transformer 5 of earthed switch 6
Electrification display 11 is connected with output end, earthed switch 6, when connecting high voltage load switch 4, earthed switch 6 disconnects, when disconnected
High voltage load switch 4 is opened, earthed switch 6 is connected, the electric current in export cabinet, by installing powered display on earthed switch 6
Device 11, the powered situation inside cabinet 1 can be shown in real time, and when there is electricity, electrification display 11 is bright, plays a part of warning,
When electrification display 11 does not work, then cabinet 1 is not charged, can carry out maintenance work；The lower end of earthed switch 6 is provided with arrester 7,
One end of arrester 7 is fixedly connected with earthed switch 6, and the other end of arrester 7 is fixedly connected with cabinet 1, and arrester 7 is laterally pacified
Mounted in the upper end of cabinet 1, lightning rod 7 can prevent the thunder and lightning in the external world from being caused damage to internal component, the transverse direction of arrester 7
Install, reduce the space of occupancy, by the way that bus 3 and high voltage load switch 4 to be disposed side by side on to the upper surface of insulating barrier 2,
Arrangement sets current transformer 5 and earthed switch 6 successively on the lower end cabinet 1 of insulating barrier 2, and lightning rod 7 and fuse 9 are horizontal
To being arranged in cabinet 1, the inner space of cabinet 1 is greatlyd save, the volume of cabinet 1 is reduced；Set in cabinet 1 faulty
Indicator 10, fault detector 10 includes short-circuit sensor 101, ground fault sensor 102 and readout instrument dial plate 103, short circuit
Sensor 101 and ground fault sensor 102 are electrically connected with readout instrument dial plate 103, and the quantity of short-circuit sensor 101 is three
It is individual, it is separately mounted to bus 3 and the connection end of high voltage load switch 4, the connection end of high voltage load switch 4 and current transformer 5
The connection end of summation current transformer 5 and earthed switch 6, short-circuit sensor 101 can detect the state of each connection line in real time,
Ground fault sensor 102 is arranged on the connection end of earthed switch 6 and cabinet 1, detects whether working properly, passes through and sets short circuit
Sensor 101 and ground fault sensor 102, it can be seen that the working condition inside high-voltage ring main unit, when a failure occurs can and
Shi Xiuli, without periodic inspection, saves manpower.
In summary：The non-maintaining high-voltage ring main unit of this small size is by the way that bus 3 and high voltage load switch 4 are arranged side by side
Arrangement sets current transformer 5 and earthed switch 6 successively on the upper surface of insulating barrier 2, the lower end cabinet 1 of insulating barrier 2,
Lightning rod 7 and fuse 9 are laterally arranged in cabinet 1, are greatlyd save the inner space of cabinet 1, are reduced the body of cabinet 1
Product；Whether the electrification display 11 of setting can be easy to maintenance personal to be repaired, is improved safety with powered inside detecting box body
Coefficient, can be understood in real time inside high-voltage ring main unit by the fault detector 10 of setting it is whether normal between each terminals, with
And earthed switch 6 whether normal ground, without repairing when normal, when occurring abnormal, can place under repair in time, without entering again
Row is periodically overhauled, and saves manpower.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of non-maintaining high-voltage ring main unit of small size, including cabinet (1), it is characterised in that：The inside of the cabinet (1) is set
Insulating barrier (2) is equipped with, insulating barrier (2) is fixedly mounted on the middle upper end of cabinet (1), and the upper surface of insulating barrier (2) is fixed
Bus (3) is installed, the side of bus (3) is provided with high voltage load switch (4), and the output end of bus (3) is opened with high voltage load
Close the incoming end connection of (4)；The lower end of the cabinet (1) is provided with current transformer (5), and current transformer (5) is fixedly mounted
On the cabinet (1) of high voltage load switch (4) lower end；The output end of the high voltage load switch (4) and current transformer (5)
Incoming end is connected, and the lower end of current transformer (5) is provided with earthed switch (6), and the incoming end connection electric current of earthed switch (6) is mutual
The output end of sensor (5)；The lower end of the earthed switch (6) is provided with arrester (7), and one end of arrester (7) is opened with ground connection
Close (6) to be fixedly connected, the other end of arrester (7) is fixedly connected with cabinet (1)；The side of the high voltage load switch (4) is set
Operating mechanism (8) is equipped with, operating mechanism (8) includes rotating shaft (81), action bars (82), motor (83) and shift knob (84), turns
Axle (81) is contacted with high voltage load switch (4) is provided with action bars (82), action bars (82) and rotating shaft in connection, rotating shaft (81)
(81) axis body is fixedly connected；The other end of the rotating shaft (81) is provided with motor (83), the rotor of motor (83) and rotating shaft
(81) it is fixedly connected；The outer face of the cabinet (1) is provided with shift knob (84).
2. a kind of non-maintaining high-voltage ring main unit of small size according to claim 1, it is characterised in that：The Current Mutual Inductance
Fuse (9) is serially connected between device (5) and high voltage load switch (4).
3. a kind of non-maintaining high-voltage ring main unit of small size according to claim 1, it is characterised in that：The cabinet (1)
Fault detector (10) is inside provided with, fault detector (10) includes short-circuit sensor (101), ground fault sensor (102)
With readout instrument dial plate (103), short-circuit sensor (101) and ground fault sensor (102) electrically connect with readout instrument dial plate (103)
Connect.
4. a kind of non-maintaining high-voltage ring main unit of small size according to claim 1, it is characterised in that：The earthed switch
(6) electrification display (11) is connected with.
5. a kind of non-maintaining high-voltage ring main unit of small size according to claim 1, it is characterised in that：The arrester
(7) it is transversely mounted on the upper end of cabinet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720079359.1U CN206401796U (en) | 2017-01-19 | 2017-01-19 | A kind of non-maintaining high-voltage ring main unit of small size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720079359.1U CN206401796U (en) | 2017-01-19 | 2017-01-19 | A kind of non-maintaining high-voltage ring main unit of small size |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206401796U true CN206401796U (en) | 2017-08-11 |
Family
ID=59515645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720079359.1U Expired - Fee Related CN206401796U (en) | 2017-01-19 | 2017-01-19 | A kind of non-maintaining high-voltage ring main unit of small size |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206401796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659845A (en) * | 2017-10-11 | 2019-04-19 | 江苏士林电气设备有限公司 | A kind of gas-filling cabinet having environmentally friendly maintenance-free performance |
| CN111917035A (en) * | 2020-07-13 | 2020-11-10 | 吕纪兴 | High-voltage power cabinet that radiating effect is good |
-
2017
- 2017-01-19 CN CN201720079359.1U patent/CN206401796U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659845A (en) * | 2017-10-11 | 2019-04-19 | 江苏士林电气设备有限公司 | A kind of gas-filling cabinet having environmentally friendly maintenance-free performance |
| CN111917035A (en) * | 2020-07-13 | 2020-11-10 | 吕纪兴 | High-voltage power cabinet that radiating effect is good |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 Termination date: 20190119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |