CN204668758U - A kind of High-low voltage switch cabinet - Google Patents
A kind of High-low voltage switch cabinet Download PDFInfo
- Publication number
- CN204668758U CN204668758U CN201520368550.9U CN201520368550U CN204668758U CN 204668758 U CN204668758 U CN 204668758U CN 201520368550 U CN201520368550 U CN 201520368550U CN 204668758 U CN204668758 U CN 204668758U
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- room
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- self
- hook plate
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Abstract
The utility model discloses a kind of High-low voltage switch cabinet, comprise cabinet, the front portion of cabinet is provided with cabinet door, and the inner two side of cabinet is respectively arranged with heat abstractor, and cabinet inside is provided with measuring instrument room, main bus bar room, on-load switch room, operation PT power supply room, cable vault and load-control equipment room; Cabinet door is provided with valve self-locking device, valve self-locking device comprises supporting plate, hook plate and torsion spring, supporting plate one end is hinged on base, the other end and big connecting rod hinged, big connecting rod one end is provided with self-locking shaft, torsion spring is connected between hook plate and supporting plate, and hook plate top forms latch hook, and the middle part arc convex of hook plate is formed and unlocks peak.The utility model good heat dissipation effect, have pre-payment and can remote monitoring, and add valve self-locking device, structure is simple, is easy to safeguard, safe and reliable, does not take up room.
Description
Technical field
The utility model relates to a kind of switch cubicle, specifically a kind of High-low voltage switch cabinet.
Background technology
Existing High-low voltage switch cabinet makes 3.6kV ~ 12kV three-phase alternating current the complete sets of equipment, is mainly used in electric energy metrical and pre-payment power purchase.It is mainly divided into measuring instrument room, main bus bar indoor are lived bus and are directly installed on six Buddhist sulphur switches, run through whole row switch cabinet, main bus bar is connected with top operational supply voltage instrument transformer by bus casing, the main bus bar other end is connected with the sulphur hexafloride circuit breaker in incoming line cabinet, and main bus bar subitem look thermoplastic sleeve pipe in addition thermoplastic.Operating mechanism and sulfur hexafluoride loading switch have supported the use the divide-shut brake of sulfur hexafluoride loading switch, isolation and ground connection, realize three station functions of sulfur hexafluoride loading switch, operating mechanism special construction design simultaneously completes mechanical latching, achieves " five prevent " function.Cable vault is built with metering electric current, voltage transformer and copper bus-bar and fuse.Due to above-mentioned many functions and advantage, obtain user and approve widely, but in use also find some shortcomings and drawback: 1, do not design monitoring management terminal in former cabinet; 2, in former cabinet, design operation power supply and metering power supply are in the same side, and cannot realize telemechanical after remote trip and close a floodgate, operating personnel must arrive user's execute-in-place.
The circuit breaker of switch cubicle is arranged on handcart, and fixed contact to be arranged in switch cubicle and to be connected with high-tension line, utilizes the propelling of circuit breaker cart or pull-out to realize connection or the disconnection of moving contact and fixed contact, the connection of realizing circuit and disconnection.Because fixed contact is often live end, in order to prevent maintenance personal to launch an attack because of carelessness when overhauling circuit fixed contact and jeopardize personal safety, the valve linked being set in fixed contact dead ahead and being used for blocking charged fixed contact, carry out security protection with circuit breaker cart; Valve is linked by transmission mechanism and handcart, and when handcart advances, valve is opened, and during handcart pull-out, valve is closed.When valve is closed, in order to prevent misoperation from making it open, be generally provided with valve self-locking device.But switch cabinet shutter self-locking mechanism complex structure of the prior art, cost is high, and different circuit breaker can not be general, and switch cubicle needs to increase installing hole, and take up room large, structure is not compact.
Utility model content
The purpose of this utility model is to provide a kind of High-low voltage switch cabinet, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of High-low voltage switch cabinet, comprise cabinet, the front portion of cabinet is provided with cabinet door, the inner two side of described cabinet is respectively arranged with heat abstractor, cabinet inner lower is provided with cable vault, be provided with metering current mulual inductor, metered voltage instrument transformer, fuse and high-tension insulator in cable vault, the position, the upper left corner of described cabinet inside is provided with measuring instrument room, and measuring instrument indoor are provided with multifunction electric meter, radio frequency table card or prepayment meter; Load-control equipment room is provided with on the right side of middle and upper part in cabinet, its inside is provided with negative Ore-controlling Role, main bus bar room is provided with below described load-control equipment room, main bus bar chamber interior is provided with main busbar and bus casing, in cabinet, left side, middle part is provided with operation PT power supply room, be provided with the voltage transformer providing operating power in operation PT power supply room, and seal up process to operation PT power supply room, the below of described cabinet in-vivo procedures PT power supply room is provided with on-load switch room; Described cabinet door is provided with valve self-locking device, described valve self-locking device comprises hook plate, supporting plate and torsion spring, supporting plate one end is hinged on base, the other end and big connecting rod hinged, big connecting rod one end is provided with self-locking shaft, and hook plate is hinged on the jointed shaft of supporting plate and big connecting rod, torsion spring is connected between hook plate and supporting plate, hook plate top forms latch hook, and latch hook is hooked on self-locking shaft, and the middle part arc convex of hook plate is formed and unlocks peak.
As further program of the utility model: described metering current mulual inductor is 0.1 ~ 0.5S current transformer, described metered voltage instrument transformer is 0.1 ~ 0.8 step voltage instrument transformer.
1., as the utility model further scheme: described metering current mulual inductor is 0.3S current transformer, described metered voltage instrument transformer is 0.4 step voltage instrument transformer.
As the utility model further scheme: described big connecting rod is formed the connecting rod, and the handcart push rod of conflicting that are connected with valve, connecting rod is arranged on the other end relative with self-locking shaft, and push rod is arranged between connecting rod and self-locking shaft.
Compared with prior art, the beneficial effects of the utility model are:: the utility model can accurate-metering, has forward purchasing Electricity Functional, passes through SF
6on-load switch can carry out pre-power purchase operation, and realize by two kinds of modes simultaneously, the first implementation: the data gathered with electric energy terminal are for foundation, have negative Ore-controlling Role to realize jumping, closing function, the second implementation is: prepayment meter (direct or indirect formula) realizes forward purchasing Electricity Functional; Meanwhile, distant place power cuts to limit consumption can be realized by negative Ore-controlling Role, realize remote power feeding management etc.; And auto-lock function is being added on big connecting rod, when handcart does not push, hook plate is hooked on the self-locking shaft of big connecting rod, and the motion of restriction big connecting rod, pins valve plate, block contact box and fixed contact, avoids the electric shock injury that misoperation brings; Handcart, when pushing, just can be pressed in and unlock on peak, thus makes hook plate depart from self-locking shaft, and handcart promotes push pedal simultaneously allows big connecting rod rotate, and drives valve to open by the connecting rod be connected with valve.Valve self-locking device structure is simple, is easy to safeguard, safe and reliable, does not take up room.
Accompanying drawing explanation
Fig. 1 is the structural representation of High-low voltage switch cabinet;
Fig. 2 is the structural representation of valve self-locking device in High-low voltage switch cabinet;
In figure: 1-cabinet, 2-cabinet door, 3-valve self-locking device, 11-heat abstractor, 12-measuring instrument room, 13-main bus bar room, 14-on-load switch room, 15-operation PT power supply room, 16-cable vault, 17-load-control equipment room, 31-big connecting rod, 32-hook plate, 33-supporting plate, 34-base, 35-torsion spring, 36-self-locking shaft, 37-jointed shaft, 311-connecting rod, 312-push rod, 321-latch hook, 322-unlock peak.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
Refer to Fig. 1-2, a kind of High-low voltage switch cabinet, comprise cabinet 1, the front portion of cabinet 1 is provided with cabinet door 2, the inner two side of cabinet 1 is respectively arranged with heat abstractor 11, and described cabinet 1 bottom is provided with cable vault 16, is provided with metering current mulual inductor, metered voltage instrument transformer, fuse and high-tension insulator in cable vault 16, the position, the upper left corner of described cabinet 1 inside is provided with measuring instrument room 12, is provided with multifunction electric meter, radio frequency table card or prepayment meter in measuring instrument room 12; Load-control equipment room 17 is provided with on the right side of middle and upper part in cabinet 1, its inside is provided with negative Ore-controlling Role, main bus bar room 13 is provided with below described load-control equipment room 17, inside, main bus bar room 13 is provided with main busbar and bus casing, in cabinet 1, left side, middle part is provided with operation PT power supply room 15, be provided with the voltage transformer providing operating power in operation PT power supply room 15, and seal up process to operation PT power supply room 15, in described cabinet 1, the below of operation PT power supply room 15 is provided with on-load switch room 14.
Described cabinet door 2 is provided with valve self-locking device 3, described valve self-locking device 3 comprises hook plate 32, supporting plate 33 and torsion spring 35, supporting plate 33 one end is hinged on base 34, the other end and big connecting rod 31 hinged, big connecting rod 31 one end is provided with self-locking shaft 36, hook plate 32 is hinged on supporting plate 33 with on the jointed shaft 37 of big connecting rod 31, torsion spring 35 is connected between hook plate 32 and supporting plate 33, hook plate 32 top forms latch hook 321, latch hook 321 is hooked on self-locking shaft 36, the middle part arc convex of hook plate 32 is formed and unlocks peak 322, big connecting rod 31 is formed the connecting rod 311 be connected with valve, the push rod 312 of conflicting with handcart, connecting rod 311 is arranged on the other end relative with self-locking shaft 36, push rod 312 is arranged between connecting rod 311 and self-locking shaft 36.
Metering current mulual inductor is 0.1 ~ 0.5S current transformer, and metered voltage instrument transformer is 0.1 ~ 0.8 step voltage instrument transformer; By adopting 0.3S current transformer and 0.4 step voltage instrument transformer, can accurate-metering; This equipment has forward purchasing Electricity Functional, passes through SF
6on-load switch can carry out pre-power purchase operation, and realize by two kinds of modes simultaneously, the first implementation: the data gathered with electric energy terminal are for foundation, have negative Ore-controlling Role to realize jumping, closing function, the second implementation is: prepayment meter (direct or indirect formula) realizes forward purchasing Electricity Functional; Meanwhile, distant place power cuts to limit consumption can be realized by negative Ore-controlling Role, realize remote power feeding management etc.
Described metering current mulual inductor is 0.3S current transformer, and described metered voltage instrument transformer is 0.4 step voltage instrument transformer.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned execution mode, in the ken that one skilled in the relevant art possesses, can also makes a variety of changes under the prerequisite not departing from this patent aim.
Claims (4)
1. a High-low voltage switch cabinet, comprise cabinet, the front portion of cabinet is provided with cabinet door, it is characterized in that, the inner two side of described cabinet is respectively arranged with heat abstractor, and cabinet inner lower is provided with cable vault, is provided with metering current mulual inductor, metered voltage instrument transformer, fuse and high-tension insulator in cable vault, the position, the upper left corner of described cabinet inside is provided with measuring instrument room, and measuring instrument indoor are provided with multifunction electric meter, radio frequency table card or prepayment meter; Load-control equipment room is provided with on the right side of middle and upper part in cabinet, its inside is provided with negative Ore-controlling Role, main bus bar room is provided with below described load-control equipment room, main bus bar chamber interior is provided with main busbar and bus casing, in cabinet, left side, middle part is provided with operation PT power supply room, be provided with the voltage transformer providing operating power in operation PT power supply room, and seal up process to operation PT power supply room, the below of described cabinet in-vivo procedures PT power supply room is provided with on-load switch room; Described cabinet door is provided with valve self-locking device, described valve self-locking device comprises hook plate, supporting plate and torsion spring, supporting plate one end is hinged on base, the other end and big connecting rod hinged, big connecting rod one end is provided with self-locking shaft, and hook plate is hinged on the jointed shaft of supporting plate and big connecting rod, torsion spring is connected between hook plate and supporting plate, hook plate top forms latch hook, and latch hook is hooked on self-locking shaft, and the middle part arc convex of hook plate is formed and unlocks peak.
2. High-low voltage switch cabinet according to claim 1, is characterized in that, described metering current mulual inductor is 0.1 ~ 0.5S current transformer, and described metered voltage instrument transformer is 0.1 ~ 0.8 step voltage instrument transformer.
3. High-low voltage switch cabinet according to claim 2, is characterized in that, described metering current mulual inductor is 0.3S current transformer, and described metered voltage instrument transformer is 0.4 step voltage instrument transformer.
4. the High-low voltage switch cabinet according to claim 1 or 2 or 3, it is characterized in that, described big connecting rod is formed the connecting rod, and the handcart push rod of conflicting that are connected with valve, connecting rod is arranged on the other end relative with self-locking shaft, and push rod is arranged between connecting rod and self-locking shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520368550.9U CN204668758U (en) | 2015-06-02 | 2015-06-02 | A kind of High-low voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520368550.9U CN204668758U (en) | 2015-06-02 | 2015-06-02 | A kind of High-low voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204668758U true CN204668758U (en) | 2015-09-23 |
Family
ID=54139105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520368550.9U Expired - Fee Related CN204668758U (en) | 2015-06-02 | 2015-06-02 | A kind of High-low voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204668758U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336205A (en) * | 2019-06-25 | 2019-10-15 | 泉州台商投资区长芳设计有限公司 | One kind can self-locking electric power box |
| CN113178783A (en) * | 2021-04-13 | 2021-07-27 | 莱福士电力电子设备（深圳）有限公司 | Distribution equipment and portable power source car |
-
2015
- 2015-06-02 CN CN201520368550.9U patent/CN204668758U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336205A (en) * | 2019-06-25 | 2019-10-15 | 泉州台商投资区长芳设计有限公司 | One kind can self-locking electric power box |
| CN113178783A (en) * | 2021-04-13 | 2021-07-27 | 莱福士电力电子设备（深圳）有限公司 | Distribution equipment and portable power source car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20170602 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |