CN203415888U - Armored metal enclosed switchgear - Google Patents
Armored metal enclosed switchgear Download PDFInfo
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- CN203415888U CN203415888U CN201320389760.7U CN201320389760U CN203415888U CN 203415888 U CN203415888 U CN 203415888U CN 201320389760 U CN201320389760 U CN 201320389760U CN 203415888 U CN203415888 U CN 203415888U
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- enclosed switchgear
- metal enclosed
- bus
- cable vault
- line
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Abstract
The utility model relates to an armored metal enclosed switchgear. The armored metal enclosed switchgear is composed of two parts, i.e., a cabinet body and a handcart. The cabinet body is composed of a housing and a separator plate and is divided into a bus chamber, a circuit breaker chamber, a cable chamber, an instrument chamber and a small bus chamber; the cable chamber is internally provided with a current transformer, a voltage transformer, a grounding switch and a lightning arrester; the rear portion of the cable chamber is provided with an overhead wire outlet device; the overhead wire outlet device comprises insulation seats; the insulation seats are provided with wire outlet grooves; each wire outlet groove is provided with a wire inlet and outlet conductive part; each wire inlet and outlet conductive part has one end connected with the indoor phase of the cable chamber and the other end connected with an outside wire; and a current sensor is arranged at one side of each wire inlet and outlet conductive part. The armored metal enclosed switchgear can realize direct overhead wire outlet, reduce the depth dimension of the cabinet body, save materials and reduce electric energy loss.
Description
Technical field
The utility model relates to the switchgear of electric power system, particularly a kind of armour formula metal enclosed switchgear.
Background technology
Type armour formula metal enclosed switchgear is the indoor complete power distribution equipment of three-phase alternating current, 50HZ single busbar system.Be applicable to power plant, transformer station, open and close industrial and mining enterprises' power supply-distribution system in one's power, have as accepting in 3～10 kilovolts of supply networks and distributing electric energy, and circuit is carried out to the functions such as control, protection and detection.
Type armour formula metal enclosed switchgear generally comprises cabinet and comprises bus-bar room, breaker chamber, cable vault and the control room of cutting apart with dividing plate, and bus-bar room is arranged in cabinet top mostly, through cable vault's outlet fixing or that mobile breaker chamber enters cabinet bottom.And thereby the attached cabinet of outlet need to be set in cable vault, this has not only occupied the area of cable vault, and has increased the equipment investment of attached cabinet configuration.Also there are some type armour formula metal enclosed switchgears to adopt overhead outlet, but traditional overhead outlet is outlet to be ejected from cabinet, be generally the outlet of rectangle copper (aluminium) busbar, originally went out line position Gui Di cable vault, and overhead outlet Hai Yaocong cable vault translates into cabinet top, therefore cabinet is deepened 160mm, exactly in order to guarantee 10kV voltage air clearance >=125mm.Therefore, increase the consumption of material, increased electric energy loss.
Simultaneously; in existing type armour formula metal enclosed switchgear, the control and protection of breaker chamber adopts overcurrent relay mostly; this simple protected mode can not be applicable to different main wiring modes; do not support dissimilar electrical network yet; again be not suitable for communication function yet, therefore cannot meet the development of type armour formula metal enclosed switchgear automation.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of armour formula metal enclosed switchgear, by rear portion, cable vault, is provided with overhead outlet device, realizes direct overhead outlet; Meanwhile, the utility model also provides a kind of protective circuit of armour formula metal enclosed switchgear, and applicable different main electrical schemes, support dissimilar electrical network, are also provided with communication function, meets the armour formula metal enclosed switchgear management user demand of automation.
To achieve these goals, the technical scheme that the utility model adopts is, a kind of armour formula metal enclosed switchgear, by cabinet and handcart two parts, formed, described cabinet is formed and be divided into bus-bar room by shell and dividing plate, breaker chamber, cable vault, control room and little bus-bar room, in described cable vault, current transformer is installed, voltage transformer, earthed switch and lightning arrester, rear portion, described cable vault is provided with overhead outlet device, described overhead outlet device comprises insulating base, described insulating base is provided with line outlet groove, a line electric-conductor is installed on each line outlet groove, described line electric-conductor one end is connected with cable vault is indoor, the other end is connected with outside line, and described line electric-conductor one side is provided with current sensor.
Further, described overhead outlet device also comprises walking line bracket, described in walk line bracket one end with respect to the line outlet groove of this insulating base, described in walk line bracket and by a plurality of U-shaped insulation boards, pegged graft to be connected with a plurality of rectangle insulation board crosses and form.
Further, described U-shaped insulation board and rectangle insulation board are aluminium sheet or aluminium alloy plate.
Further, described line electric-conductor comprises metal conductive bar and is wrapped in the insulated tube in metal conductive bar outside, and described line electric-conductor and junction, cable vault are provided with fixture and sleeve pipe inserts, and described sleeve pipe inserts is provided with through hole.
Further, described insulated tube is epoxy tree resin-insulated material.
Further, described line outlet groove is vertically arranged on insulating base.
Further; in described cabinet, be provided with protective circuit; described protective circuit comprises first microprocessor, wireless communication module and warning device; current transformer in the input signal Duan Yu cable vault of described first microprocessor, voltage transformer and current sensor are electrically connected, and described the first bit processor is also electrically connected with circuit breaker, wireless communication module and the warning device of breaker chamber respectively.
Further, be equipped with the metal partion (metp) that is easy to dismounting before and after bus-bar room, bus-bar room sidewall is provided with rotary extrusion type spinning window wall sleeve, has at least the top of a chamber to be provided with the pressure relief device of automatically opening pressure release in described breaker chamber, bus-bar room and cable vault.
Further, described breaker chamber is provided with the handcart guide rail coordinating with described handcart.Facilitate the push-and-pull of handcart.
Further, the top of described bus-bar room, breaker chamber, cable vault is equipped with pressure relief device.
Further, described pressure relief device is pressure releasing plate.While there is air pressure rising in cabinet, pressure releasing plate is opened pressure release automatically, thereby the equipment that guaranteed is stable and personnel's safety.
Further, after described shell and dividing plate all adopt cold-rolled steel sheet or aluminizing zine plate bending and forming, bolt forms.
Further, described handcart is vacuum circuit-breaker handcart, special measuring handcart, PT handcart, isolation handcart and arrester handcart.
Further, described breaker chamber is also provided with metal dampers mechanism and secondary plug.
Further, described metal dampers mechanism comprises metal dampers and the transmission mechanism that drives metal dampers to open or close, and in handcart push-and-pull, metal dampers can be opened and closure by transmission mechanism, guarantees personnel's safety.
Further, described cable vault is provided with cable cover, earthed switch, footpath, limit sealing ring and fastening clip for cable.
Further, described cable vault sidewall is provided with the observation window of observing earthed switch state, convenient operating state of observing intuitively cable indoor equipment.
Further, top, described control room is provided with little bus-bar room, in little bus-bar room, is provided with auxiliary bus-bar joint, and little bus facilitates the introduction of control room by auxiliary bus-bar joint, installs easily like this.
The utility model is by adopting technique scheme, and compared with prior art, tool has the following advantages:
1, the utility model is provided with overhead outlet device by rear portion, cable vault; realize direct overhead outlet; compare with the switchgear of traditional cable outlet; do not need attached cabinet is set, saved the shared cable vault's area of attached cabinet, and removed the equipment investment increasing because of attached cabinet from; the utility model is compared with the switchgear of traditional overhead outlet; reduce the depth size of cabinet, saved material, reduced electric energy loss;
2, overhead outlet device of the present utility model has adopted the line bracket of walking of being pegged graft and being connected and forming with a plurality of rectangle insulation board crosses by a plurality of U-shaped insulation boards, has both facilitated cabling, has played again good radiating effect;
3, overhead outlet device profile of the present utility model is small and exquisite; simple in structure; easy for installation attractive in appearance; dielectric strength is high, and good flame resistance has good conductivity; greatly reduce the usage space of production cost and cabinet; whether the current sensor simultaneously increasing, can detect and have electric current to pass through, thereby judge whether normal operation of cabinet;
4, the utility model is also by technique scheme, and when device interior pressure raises, the pressure releasing plate arranging at top is opened pressure release automatically.The metal partion (metp) that is arranged at bus-bar room front and back, keeps in repair very convenient.Handcart guide rail has guaranteed that in handcart push-and-pull handcart front end can aim at metal dampers, and equipment is reliable.Metal dampers is opened or is closed under the drive of transmission mechanism, guarantees the safety under different operating state of system.Be arranged at the observation window of cable vault's sidewall, can be effectively, the operating state of the components and parts of facilities for observation inside intuitively.
Accompanying drawing explanation
Fig. 1 is the cutaway view of embodiment of the present utility model;
Fig. 2 is the front view of overhead outlet device of the present utility model;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the stereogram of overhead outlet device of the present utility model;
Fig. 5 is the electrical block diagram of protective circuit of the present utility model.
Embodiment
Now with embodiment, the utility model is further illustrated by reference to the accompanying drawings.
As a specific embodiment, as shown in Figures 1 to 4, a kind of armour formula metal enclosed switchgear of the present utility model, the handcart two parts that coordinated by cabinet and cabinet push-and-pull form, described cabinet is formed and be divided into bus-bar room A by shell and dividing plate, breaker chamber B, the C of cable vault and the D of control room, in the described C of cable vault, current transformer 7 is installed, voltage transformer (not shown), earthed switch 8 and lightning arrester 9, C rear portion, described cable vault is provided with overhead outlet device 20, described overhead outlet device 20 comprises the insulating base 201 of four vertical spread configurations, described in each, insulating base 201 is provided with two line outlet grooves 202, a line electric-conductor 203 is installed on each line outlet groove 202, described line electric-conductor 203 one end are connected with the C of cable vault is indoor, the other end is connected with outside line, and described line electric-conductor 203 1 sides are provided with current sensor 45.This line electric-conductor 203 comprises metal conductive bar 2031 and is wrapped in the insulated tube 2032 in metal conductive bar outside, described insulated tube 2032 is epoxy tree resin-insulated material, this material is the environment-friendly novel solid insulating material that country carries out energetically, C junction, described line electric-conductor 203Yu cable vault is provided with fixture 2034 and sleeve pipe inserts 2033, and these fixture 2034 peripheries are equipped with through hole, to strengthen fixing in line electric-conductor 203 cable vault, described sleeve pipe inserts 2033 is provided with through hole, to be connected with bronze medal in cable vault.Described line outlet groove 202 is vertically arranged on insulating base, and these upper and lower two adjacent line outlet groove 202 left and right alignment are arranged.
In the utility model, described overhead outlet device also comprises walking line bracket 204, described line bracket 204 one end of walking are with respect to the line outlet groove 202 of this insulating base, and this is walked line bracket 204 one end and is fixed on this insulating base 201, described in walk line bracket 204 and by a plurality of U-shaped insulation boards 2041, pegged graft to be connected with a plurality of rectangle insulation board 2042 crosses and form.In the utility model, described U-shaped insulation board 2041 and rectangle insulation board 2042 all adopt aluminium alloy or aluminium sheet to cut out and form, described rectangle insulation board 2042 bottom evens are provided with some slots, described a plurality of U-shaped insulation board 2041 is pegged graft and is connected by this slot cross with a plurality of rectangle insulation boards 2042, wherein, adjacent rectangle insulation board 2042 and the common formation cable tray of U-shaped insulation board 2041 of pegging graft with them, circuit is passed by from above-mentioned passage, avoid coiling, and make circuit be more prone to safeguard.Simultaneously, owing to having adopted a plurality of U-shaped insulation boards 2041 and a plurality of rectangle insulation board 2042 by slot cross this unique syndeton of pegging graft, making the whole line bracket 204 of walking is in fact also a heat abstractor cleverly, 4 line outlet grooves 202 in the utility model arrange 4 and walk line bracket 204, passage between upper downward cabling support and cabling rack body component parts, formed the heat dissipation channel of natural convection air, can efficiently indoor heat have been distributed to energy-conserving and environment-protective.
In the utility model, after described cabinet shell and dividing plate all adopt cold-rolled steel sheet or aluminizing zine plate bending and forming, bolt forms.And described cabinet shell and dividing plate shape by Digit Control Machine Tool, the inner key position of cabinet is reasonable in design, precision machining, installation dimension and accuracy and uniformity have been guaranteed, and the mechanical strength of whole cabinet, cabinet shell adopts electrostatic painting process, surperficial impact resistance, good corrosion resistance, and guaranteed the fineness of outward appearance; The top of cabinet, the top of bus-bar room A, breaker chamber B, the C of cable vault is equipped with pressure relief device, and described pressure relief device is pressure releasing plate 1.While there is air pressure rising in cabinet, pressure releasing plate 1 is opened pressure release automatically, thereby the equipment that guaranteed is stable and personnel's safety.
In the utility model, before and after described bus-bar room A, be equipped with the metal partion (metp) that is easy to dismounting, bus-bar room sidewall is provided with rotary extrusion type spinning window wall sleeve, is also provided with branch bus 2, the removable dividing plate 3 of rear maintenance, the removable dividing plate 19 of front maintenance, main bus bar 4 and is arranged at branch bus 2 and the supporting insulator 5 of 3, the removable dividing plate of rear maintenance, is arranged at the contact box 6 of bus-bar room A bottom in bus-bar room A.The A of cable vault is also provided with lightning arrester.KYN type bottom of cabinet bulk is provided with heater 11, and heater 11 the place aheads are provided with removable shield 12, and cabinet rear portion is provided with current transformer 7.Control room's D sidewall is provided with relay movable installation board 18.
In the utility model, the handcart guide rail 13 that adopts cold punching riveting processes has been installed in described breaker chamber B, described handcart guide rail 13 adopts cold punching riveting processes, and this handcart guide rail 13 coordinates for handcart 15.Described breaker chamber B is also provided with metal dampers mechanism and secondary plug 17.Described metal dampers mechanism comprises metal dampers 16 and the transmission mechanism 14 that drives metal dampers to open or close, before metal dampers 16 is arranged on contact box, in handcart 15 push-and-pulls, metal dampers 16 can be opened and closure by transmission mechanism 14, guarantee that handcart 15 is in " work ", between " test/isolation " position, move, handcart 15 moves to the process of " work " position from " test/isolation " position, metal dampers 16 can be opened automatically, when handcart 15 moves in the other direction, metal dampers 16 can be closed automatically, thereby guarantee that operating personnel do not touch electrified body, assurance personnel's safety.In breaker chamber B, the handcart 15 of configuration has VS1 type vacuum circuit-breaker handcart, VD4 type vacuum circuit-breaker handcart, special measuring handcart (PT, CT, measuring instrument are all established on it), PT handcart, isolation handcart and arrester handcart etc., the size unification of joining all kinds of handcarts of circuit breaker of the same race, same size can exchange.Circuit breaker cart has " work " position and " test/isolation " position in cabinet, and each position is equipped with locating locking device, guarantees that handcart just allows operation when ad-hoc location.When circuit breaker cart pushes in cabinet from carrier loader, first, in " test/isolation " position, then by shaking handgrip, handcart is pushed to " work " position.Mobile handcart must meet interlocking condition, guarantees that handcart moves the necessary separating brake of circuit breaker before.The position indicating device that the position of mobile handcart in cabinet can be installed on the panel of control room is seen indirectly, also can directly see by the observation window from door, in addition, handcart all can send significantly " card clatter " sound while shaking " test/isolation " position, " work " position, to show that operator's handcart puts in place.
In the utility model, the described C of cable vault is provided with cable cover, earthed switch 8, footpath, limit sealing ring and fastening clip for cable 10.The described C of cable vault sidewall is provided with the observation window of observing earthed switch 8 states, convenient operating state of observing intuitively equipment in the C of cable vault.Current transformer, voltage transformer, earthed switch, lightning arrester and cable connection etc. can be installed in cable vault, can also in cable vault, install according to client's demand zero-sequence transformer, PT handcart, arrester handcart etc.For improving cabinet internal electric field, distribute, the connection busbar between each several part all adopts fillet copper busbar.
In the utility model, D top, described control room is provided with little bus-bar room E, in little bus-bar room E, is provided with auxiliary bus-bar joint, and little bus facilitates the introduction of the D of control room by auxiliary bus-bar joint.Further, top, described control room is provided with little bus-bar room, in little bus-bar room, is provided with auxiliary bus-bar joint, and little bus facilitates the introduction of control room by auxiliary bus-bar joint, installs easily like this.The panel of control room and indoor relay mounting panel can be installed the secondary devices such as intelligent monitoring protective device, instrument, analog bus, local operation control switch, button.
Shown in figure 1 and Fig. 5; in the utility model; in described cabinet, be provided with protective circuit 40; described protective circuit 40 comprises first microprocessor 41, wireless communication module 42 and warning device 43; current transformer 7 in the input signal Duan Yu C of cable vault of described first microprocessor 41, voltage transformer 44 and current sensor 45 are electrically connected, and the signal output part of described the first bit processor 41 is electrically connected with circuit breaker 46, wireless communication module 42 and the warning device 43 of breaker chamber B respectively.Employing has increased defencive function with the protective circuit 40 of microprocessor 41, go for different main wiring modes, as single busbar connection, double-bus and biswitch wiring, defencive function is also supported dissimilar electrical network, enter isolated neutral system, resonant earthed system and small resistance grounding system, except thering is protection, measure, outside control and Stateful Inspection function, perfect PLC logic programmable function can also be provided, PLC function is integrated in a device the needed automation function of armored metal enclosed switch equipment of the present utility model and sequence logical control works fine function, can also realize wireless communication function, by wireless communication module exchange message, reduce the hard connection between feeder line, and convenient real-time monitoring and operation for equipment, moreover, pass through Wireless alarm module, carry out in real time out-of-limit early warning, guarantee safety.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but those skilled in the art should be understood that; within not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection range of the present utility model.
Claims (10)
1. an armour formula metal enclosed switchgear, it is characterized in that: by cabinet and handcart two parts, formed, described cabinet is formed and be divided into bus-bar room by shell and dividing plate, breaker chamber, cable vault, control room and little bus-bar room, in described cable vault, current transformer is installed, voltage transformer, earthed switch and lightning arrester, rear portion, described cable vault is provided with overhead outlet device, described overhead outlet device comprises insulating base, described insulating base is provided with line outlet groove, a line electric-conductor is installed on each line outlet groove, described line electric-conductor one end is connected with cable vault is indoor, the other end is connected with outside line, and described line electric-conductor one side is provided with current sensor.
2. a kind of armour formula metal enclosed switchgear according to claim 1, it is characterized in that: described overhead outlet device also comprises walking line bracket, the described line bracket one end of walking is with respect to the line outlet groove of this insulating base, described in walk line bracket and by a plurality of U-shaped insulation boards, pegged graft to be connected with a plurality of rectangle insulation board crosses and form.
3. a kind of armour formula metal enclosed switchgear according to claim 1, it is characterized in that: described line electric-conductor comprises metal conductive bar and is wrapped in the insulated tube in metal conductive bar outside, described line electric-conductor and junction, cable vault are provided with fixture and sleeve pipe inserts, and described sleeve pipe inserts is provided with through hole.
4. a kind of armour formula metal enclosed switchgear according to claim 3, is characterized in that: described line outlet groove is vertically arranged on insulating base.
5. a kind of armour formula metal enclosed switchgear according to claim 1; it is characterized in that: in described cabinet, be provided with protective circuit; described protective circuit comprises first microprocessor, wireless communication module and warning device; described first microprocessor with cable vault in current transformer, voltage transformer; and current sensor electric connection, described first microprocessor is also electrically connected with circuit breaker, wireless communication module and the warning device of breaker chamber respectively.
6. a kind of armour formula metal enclosed switchgear according to claim 1, it is characterized in that: before and after bus-bar room, be equipped with the metal partion (metp) that is easy to dismounting, bus-bar room sidewall is provided with rotary extrusion type spinning window wall sleeve, has at least the top of a chamber to be provided with the pressure relief device of automatically opening pressure release in described breaker chamber, bus-bar room and cable vault.
7. a kind of armour formula metal enclosed switchgear according to claim 1, is characterized in that: the top of described bus-bar room, breaker chamber, cable vault is equipped with pressure relief device.
8. a kind of armour formula metal enclosed switchgear according to claim 7, is characterized in that: described pressure relief device is pressure releasing plate.
9. a kind of armour formula metal enclosed switchgear according to claim 1, is characterized in that: described breaker chamber is also provided with metal dampers mechanism and secondary plug.
10. a kind of armour formula metal enclosed switchgear according to claim 9, is characterized in that: described metal dampers mechanism comprises metal dampers and the transmission mechanism that drives metal dampers to open or close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320389760.7U CN203415888U (en) | 2013-07-02 | 2013-07-02 | Armored metal enclosed switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320389760.7U CN203415888U (en) | 2013-07-02 | 2013-07-02 | Armored metal enclosed switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203415888U true CN203415888U (en) | 2014-01-29 |
Family
ID=49978747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320389760.7U Expired - Fee Related CN203415888U (en) | 2013-07-02 | 2013-07-02 | Armored metal enclosed switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203415888U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346503A (en) * | 2013-07-02 | 2013-10-09 | 厦门市聚力电力设备有限公司 | Armored metal-enclosed switch device |
| CN105305238A (en) * | 2015-09-25 | 2016-02-03 | 李聪 | Insulated power switch cabinet |
-
2013
- 2013-07-02 CN CN201320389760.7U patent/CN203415888U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346503A (en) * | 2013-07-02 | 2013-10-09 | 厦门市聚力电力设备有限公司 | Armored metal-enclosed switch device |
| CN105305238A (en) * | 2015-09-25 | 2016-02-03 | 李聪 | Insulated power switch cabinet |
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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: 20140129 Termination date: 20150702 |
|
| EXPY | Termination of patent right or utility model |