CN202633805U - Switch cabinet with medium and high voltage potential indicator - Google Patents
Switch cabinet with medium and high voltage potential indicator Download PDFInfo
- Publication number
- CN202633805U CN202633805U CN 201220316548 CN201220316548U CN202633805U CN 202633805 U CN202633805 U CN 202633805U CN 201220316548 CN201220316548 CN 201220316548 CN 201220316548 U CN201220316548 U CN 201220316548U CN 202633805 U CN202633805 U CN 202633805U
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- potential indicator
- mesohigh
- switch cubicle
- bus
- switch
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Abstract
The utility model discloses a switch cabinet with a medium and high voltage potential indicator. The switch cabinet with the medium and high voltage potential indicator comprises a cabinet body (1), wherein a grounding main busbar (20) is arranged at the bottom of the cabinet body (1), an internal space of the cabinet body (1) is separated into four units by a partition (18), the four units are composed of a breaker handcart room (3), a relay meter room (4), a cable room (17) and a busbar room (2), the medium and high voltage potential indicator (13) and an arrester (14) are arranged in the cable room (17), the medium and high voltage potential indicator (13) is connected with a cable (16), the arrester (14) is connected with a grounding switch (15), and three pressure relief devices (19) are disposed on the top of the cabinet body (1). The structure of the switch cabinet with the medium and high voltage potential indicator is adopted so as to avoid a spreading accident in the switch cabinet, prevent over large pressure in the switch cabinet, reliably display electrification conditions of medium and high voltage loops in a timely manner, and increase operating security of the switch cabinet.
Description
Technical field
The utility model relates to a kind of switch cubicle, specifically is a kind of switch cubicle that has the mesohigh potential indicator.
Background technology
Along with the continuous development of manufacturing enterprise and power supply management, switch cubicle has obtained utilization more and more continually as a kind of electric equipment, and is also increasingly high to the requirement of switch cubicle simultaneously.At present; General switch cubicle comprises circuit breaker cart chamber, relay control room, cable vault and bus-bar room etc., and outside line is introduced into master switch in the cabinet, gets into then to divide the control switch; Each need be provided with by it along separate routes; What have also establishes hyperbaric chamber, low-pressure chamber and high voltage bus, like the power plant etc., and the low-frequency load reduction that also is provided with the protection capital equipment that has.Generally speaking, there are some problems like this in present switch cubicle, when passing the switch cubicle dividing plate when bus, is not fixed, and when electric arc is broken down in switch cubicle inside, can cause accident to spread to adjacent cabinet; Switch cubicle lacks pressure relief device, when the switch cubicle air pressure inside raises, can not release pressure, drainage gas, and cause the damage of operating personnel and switch cubicle easily; General switch cubicle lacks charged display unit, can not point out the charged situation in the loop in real time, causes negligence of operation easily, even leads to a disaster.Present supply voltage indicator light; Majority is to be serially connected between power supply phase line L and the neutral line N by a neon lamp and a current-limiting resistance; Also have and use light-emitting diode to show; But majority is the DC power supply by switch control, the break-make that they can only display power supply, and its maximum indication range is between 110V ~ 250V.
The utility model content
The utility model provides the switch cubicle that has the mesohigh potential indicator, has solved in the past that switch cubicle lacks special mesohigh potential indicator, thereby causes operating personnel to neglect, even the problem that leads to a disaster.
The utility model is that the technical solution problem mainly realizes through following technical scheme: have the switch cubicle of mesohigh potential indicator, comprise cabinet, the bottom of cabinet is provided with the ground connection main bus bar; The inner space of cabinet is separated into four unit by dividing plate, is respectively circuit breaker cart chamber, relay control room, cable vault and bus-bar room, the indoor guide rail that is provided with circuit breaker cart and matches with circuit breaker cart of circuit breaker cart; Be provided with earthed switch and cable in the cable vault, the top of cable vault is provided with current transformer, and current transformer is connected with cable; Be provided with main bus bar and bus casing in the bus-bar room, main bus bar is fixed through little bus of branch and fixed contact box, is provided with static contact head device in the fixed contact box; Said relay control room is positioned at the top of circuit breaker cart chamber; The bottom of circuit breaker cart chamber is provided with the little bus duct of control, and bus-bar room is positioned at the top of cable vault, also is provided with mesohigh potential indicator and lightning arrester in the said cable vault; Said mesohigh potential indicator is connected with cable; Said lightning arrester is connected with earthed switch, and the top of cabinet is provided with 3 pressure relief devices, and 3 pressure relief devices and lay respectively at the top of circuit breaker cart chamber, bus-bar room and cable vault.
Said mesohigh potential indicator comprises indicating circuit and the casing that is provided with at least two lamp holes.
Said indicating circuit comprises input port, rectification unit, switch element, luminescence component, protective resistance and the delivery outlet that connects successively.
Said rectification unit comprises at least two diode in series successively, is parallel with shunt resistance on each diode.
Said rectification unit is a bridge rectifier; Two signal input parts of bridge rectifier are connected with delivery outlet with the input port respectively; Two signal output parts of bridge rectifier are connected with the signal input part of protective resistance, switch element respectively, also are parallel with a solid discharging tube between two signal input parts of said bridge rectifier.
Said switch element comprises tunnel diode and the electric capacity parallelly connected with the tunnel diode two ends.
Said switch element comprises bidirectional trigger diode and the electric capacity parallelly connected with the two ends of bidirectional trigger diode.
Said luminescence component comprises at least two group light-emitting diodes, and the light-emitting diode in the group is connected each other, and the light-emitting diode between group is parallel with one another.
The back side of said casing is provided with fixture, and said fixture comprises fixed mount and anchor ear, and fixed mount is fixed on the back side of casing, and anchor ear is fixed on the fixed mount.
Said fixture comprises fixed mount, anchor clamps, bolt and the nut that matches with bolt; Fixed mount is fixedly connected with the back side of casing; Anchor clamps are fixedly connected with fixed mount, and said anchor clamps comprise and be all semi-moon shaped quiet cell body and moving cell body that quiet cell body is fixed on the fixed mount; Quiet cell body and moving cell body are provided with corresponding through hole, and the diameter of through hole is greater than the diameter of bolt.
The utility model compared with prior art has the following advantages and beneficial effect:
When (1) bus of the utility model passes through the switch cubicle dividing plate, with bus casing bus is fixed, when electric arc was broken down in switch cubicle inside, restriction accident well spread to adjacent cabinet, and had ensured the mechanical strength of bus.
(2) top of the utility model is provided with pressure relief device, and when the switch cubicle air pressure inside raise, release pressure, drainage gas avoided causing the damage of operating personnel and switch cubicle soon.
(3) the utility model is provided with the mesohigh potential indicator on the basis of switch cubicle in the past, is used to treat the survey time road and carries out the real-time voltage test, the charged state in prompting mesohigh loop; Avoided operating personnel careless and inadvertent; Thereby avoid causing the accident, simultaneously, rectification circuit converts alternating voltage to direct voltage; As criterion, promptness and the accuracy judged have greatly been improved by the light on and off of light-emitting diode.
Description of drawings
Fig. 1 is the overall structure sketch map of the utility model;
Fig. 2 is the structural representation of indicating circuit of the embodiment 1 of the utility model;
Fig. 3 is the structural representation of indicating circuit of the embodiment 2 of the utility model;
Fig. 4 is the structural representation of indicating circuit of the embodiment 3 of the utility model;
Fig. 5 is the structural representation of indicating circuit of the embodiment 4 of the utility model;
Fig. 6 is the structural representation of indicating circuit of the embodiment 5 of the utility model;
Fig. 7 is the structural representation of indicating circuit of the embodiment 6 of the utility model;
Fig. 8 is the structural representation of casing of mesohigh potential indicator of the embodiment 1 ~ embodiment 4 of the utility model;
Fig. 9 is the structural representation of casing of mesohigh potential indicator of embodiment 5 and the embodiment 6 of the utility model.
Pairing Reference numeral is in the accompanying drawing: 1, cabinet, 2, bus-bar room, 3, the circuit breaker cart chamber, 4, the relay control room, 5, control little bus duct, 6, main bus bar; 7, bus casing, 8, the little bus of branch, 9, the fixed contact box, 10, the circuit breaker dolly, 11, guide rail, 12, static contact head device; 13, mesohigh potential indicator, 14, lightning arrester, 15, earthed switch, 16, cable, 17, the cable vault, 18, dividing plate; 19, pressure relief device, 20, the ground connection main bus bar, 21, current transformer, 22, fixed mount, 23, quiet cell body, 24, moving cell body; 25, bolt, 26, nut, 27, lamp hole, 28, anchor ear, 29, the input port, 30, rectification unit; 31, bidirectional trigger diode, 32, luminescence component, 33, protective resistance, 34, delivery outlet, 35, diode, 36, shunt resistance; 37, light-emitting diode, 38, electric capacity, 39, tunnel diode, 40, solid discharging tube, 41, casing.
Embodiment
Below in conjunction with embodiment the utility model is done further to specify, but the execution mode of the utility model is not limited thereto.
Embodiment 1:
Like Fig. 1, Fig. 2 and shown in Figure 8, the utility model comprises cabinet 1, and the bottom of cabinet 1 is provided with ground connection main bus bar 20; The inner space of cabinet 1 is separated into four unit by dividing plate 18, is respectively circuit breaker cart chamber 3, relay control room 4, cable vault 17 and bus-bar room 2, the guide rail 11 that is provided with circuit breaker cart 10 in the circuit breaker cart chamber 3 and matches with circuit breaker cart 10; Be provided with earthed switch 15 and cable 16 in the cable vault 17; The top of cable vault 17 is provided with current transformer 21, and current transformer 21 is connected with cable 16, is provided with main bus bar 6 and bus casing 7 in the bus-bar room 2; Main bus bar 6 is fixing with fixed contact box 9 through the little bus 8 of branch; Be provided with static contact head device 12 in the fixed contact box 9, said relay control room 4 is positioned at the top of circuit breaker cart chamber 3, and the bottom of circuit breaker cart chamber 3 is provided with the little bus duct 5 of control; Bus-bar room 2 is positioned at the top of cable vault 17; Also be provided with mesohigh potential indicator 13 and lightning arrester 14 in the said cable vault 17, said mesohigh potential indicator 13 is connected with cable 16, and said lightning arrester 14 is connected with earthed switch 15; The top of cabinet 1 is provided with 3 pressure relief devices 19, and 3 pressure relief devices 19 and lay respectively at the top of circuit breaker cart chamber 3, bus-bar room 2 and cable vault 17.
The mesohigh potential indicator 13 of present embodiment comprises indicating circuit and the casing 41 that is provided with 3 lamp holes 27.
The indicating circuit of present embodiment comprises input port 29, rectification unit 30, switch element, luminescence component 32, protective resistance 33 and the delivery outlet 34 that connects successively; Rectification unit 30 comprises two diode in series 35 successively, is parallel with shunt resistance 36 on each diode 35; Switch element comprises tunnel diode 39 and the electric capacity 38 parallelly connected with tunnel diode 39 two ends; Luminescence component 32 comprises two groups of light-emitting diodes 37, and the light-emitting diode 37 in the group is connected each other, and the light-emitting diode 37 between group is parallel with one another.
The back side of the casing 41 of present embodiment is provided with fixture, and fixture comprises fixed mount 22 and anchor ear 28, and fixed mount 22 is fixed on the back side of casing 41, and anchor ear 28 is fixed on the fixed mount 22.
Embodiment 2:
Like Fig. 1, Fig. 3 and shown in Figure 8, present embodiment and embodiment 1 are basic identical, and different places are, the luminescence component 32 of present embodiment comprises three groups of light-emitting diodes 37, and the light-emitting diode 37 in the group is connected each other, and the light-emitting diode 37 between group is parallel with one another.
Embodiment 3:
Like Fig. 1, Fig. 4 and shown in Figure 8, present embodiment and embodiment 1 are basic identical, and different places are that the rectification unit 30 of present embodiment comprises three diode in series 35 successively, is parallel with shunt resistance 36 on each diode 35.
Embodiment 4:
Like Fig. 1, Fig. 5 and shown in Figure 8, present embodiment and embodiment 2 are basic identical, and different places are that the rectification unit 30 of present embodiment comprises three diode in series 35 successively, is parallel with shunt resistance 36 on each diode 35.
Embodiment 5:
Like Fig. 1, Fig. 6 and shown in Figure 9; Present embodiment and embodiment 1 are basic identical; Different places are, the rectification unit 30 of present embodiment is a bridge rectifier, and two signal input parts of bridge rectifier are connected with delivery outlet 34 with input port 29 respectively; Two signal output parts of bridge rectifier are connected with the signal input part of protective resistance 33, switch element respectively, also are parallel with a solid discharging tube 40 between two inputs of bridge rectifier; The switch element of present embodiment comprises bidirectional trigger diode 31 and the electric capacity 38 parallelly connected with the two ends of bidirectional trigger diode 31; The fixture of present embodiment comprises fixed mount 22, anchor clamps, bolt 25 and the nut 26 that matches with bolt 25; Fixed mount 22 is fixedly connected with the back side of casing 22; Anchor clamps are fixedly connected with fixed mount 22, and anchor clamps comprise and be all semi-moon shaped quiet cell body 23 and moving cell body 24 that quiet cell body 23 is fixed on the fixed mount 22; Quiet cell body 23 is provided with corresponding through hole with moving cell body 24, and the diameter of through hole is greater than the diameter of bolt 25.
Embodiment 6:
Like Fig. 1, Fig. 7 and shown in Figure 9, present embodiment and embodiment 5 are basic identical, and different places are, the luminescence component 32 of present embodiment comprises three groups of light-emitting diodes 37, and the light-emitting diode 37 in the group is connected each other, and the light-emitting diode 37 between group is parallel with one another.
The operation principle of the utility model is: each electric equipment is installed in the units corresponding accordingly, connects each circuit; In the time need main bus bar 6 being passed through the dividing plate 18 of switch cubicle, main bus bar 6 is fixing with bus casing 7; When break down in circuit breaker or bus inside, the air pressure in the switch cubicle raises, and pressure relief device 19 is opened automatically, release pressure with drain gas; Mesohigh potential indicator 13 detects the charged situation in the loop in real time, and through light-emitting diode 37 alert on the mesohigh potential indicator 13.
As stated, then can realize the utility model well.
Claims (10)
1. the switch cubicle that has the mesohigh potential indicator; Comprise cabinet (1); The bottom of cabinet (1) is provided with ground connection main bus bar (20); The inner space of cabinet (1) is separated into four unit by dividing plate (18), is respectively circuit breaker cart chamber (3), relay control room (4), cable vault (17) and bus-bar room (2), the guide rail (11) that is provided with circuit breaker cart (10) in circuit breaker cart chamber (3) and matches with circuit breaker cart (10); Be provided with earthed switch (15) and cable (16) in the cable vault (17); The top of cable vault (17) is provided with current transformer (21), and current transformer (21) is connected with cable (16), is provided with main bus bar (6) and bus casing (7) in the bus-bar room (2); Main bus bar (6) is fixing through little bus of branch (8) and fixed contact box (9); Be provided with static contact head device (12) in the fixed contact box (9), it is characterized in that: said relay control room (4) is positioned at the top of circuit breaker cart chamber (3), and the bottom of circuit breaker cart chamber (3) is provided with control little bus duct (5); Bus-bar room (2) is positioned at the top of cable vault (17); Also be provided with mesohigh potential indicator (13) and lightning arrester (14) in the said cable vault (17), said mesohigh potential indicator (13) is connected with cable (16), and said lightning arrester (14) is connected with earthed switch (15); The top of cabinet (1) is provided with 3 pressure relief devices (19), and 3 pressure relief devices (19) and lay respectively at the top of circuit breaker cart chamber (3), bus-bar room (2) and cable vault (17).
2. the switch cubicle that has the mesohigh potential indicator according to claim 1 is characterized in that: said mesohigh potential indicator (13) comprises indicating circuit and the casing (41) that is provided with at least two lamp holes (27).
3. the switch cubicle that has the mesohigh potential indicator according to claim 2 is characterized in that: said indicating circuit comprises input port (29), rectification unit (30), switch element, luminescence component (32), protective resistance (33) and the delivery outlet (34) that connects successively.
4. the switch cubicle that has the mesohigh potential indicator according to claim 3 is characterized in that: said rectification unit (30) comprises at least two diode in series (35) successively, is parallel with shunt resistance (36) on each diode (35).
5. the switch cubicle that has the mesohigh potential indicator according to claim 3; It is characterized in that: said rectification unit (30) is a bridge rectifier; Two signal input parts of bridge rectifier are connected with delivery outlet (34) with input port (29) respectively; Two signal output parts of bridge rectifier are connected with the signal input part of protective resistance (33), switch element respectively, also are parallel with a solid discharging tube (40) between two signal input parts of said bridge rectifier.
6. the switch cubicle that has the mesohigh potential indicator according to claim 3 is characterized in that: said switch element comprises tunnel diode (39) and the electric capacity (38) parallelly connected with tunnel diode (39) two ends.
7. the switch cubicle that has the mesohigh potential indicator according to claim 3 is characterized in that: said switch element comprises bidirectional trigger diode (31) and the electric capacity (38) parallelly connected with the two ends of bidirectional trigger diode (31).
8. the switch cubicle that has the mesohigh potential indicator according to claim 3; It is characterized in that: said luminescence component (32) comprises at least two group light-emitting diodes (37); Light-emitting diode (37) in the group is series connection each other, and the light-emitting diode between group (37) is parallel with one another.
9. the switch cubicle that has the mesohigh potential indicator according to claim 2; It is characterized in that: the back side of said casing (41) is provided with fixture; Said fixture comprises fixed mount (22) and anchor ear (28); Fixed mount (22) is fixed on the back side of casing (41), and anchor ear (28) is fixed on the fixed mount (22).
10. the switch cubicle that has the mesohigh potential indicator according to claim 9; It is characterized in that: said fixture comprises fixed mount (22), anchor clamps, bolt (25) and the nut (26) that matches with bolt (25); Fixed mount (22) is fixedly connected with the back side of casing (22); Anchor clamps are fixedly connected with fixed mount (22), and said anchor clamps comprise and be all semi-moon shaped quiet cell body (23) and moving cell body (24) that quiet cell body (23) is fixed on the fixed mount (22); Quiet cell body (23) and moving cell body (24) are provided with corresponding through hole, and the diameter of through hole is greater than the diameter of bolt (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220316548 CN202633805U (en) | 2012-07-03 | 2012-07-03 | Switch cabinet with medium and high voltage potential indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220316548 CN202633805U (en) | 2012-07-03 | 2012-07-03 | Switch cabinet with medium and high voltage potential indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202633805U true CN202633805U (en) | 2012-12-26 |
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ID=47386952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220316548 Expired - Fee Related CN202633805U (en) | 2012-07-03 | 2012-07-03 | Switch cabinet with medium and high voltage potential indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202633805U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269749A (en) * | 2014-09-30 | 2015-01-07 | 四川蓝讯宝迩电子科技有限公司 | Ring main unit with current indicating devices |
| CN105092902A (en) * | 2014-05-06 | 2015-11-25 | 国网山东省电力公司潍坊供电公司 | Power system switch handcart examination auxiliary apparatus |
-
2012
- 2012-07-03 CN CN 201220316548 patent/CN202633805U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092902A (en) * | 2014-05-06 | 2015-11-25 | 国网山东省电力公司潍坊供电公司 | Power system switch handcart examination auxiliary apparatus |
| CN105092902B (en) * | 2014-05-06 | 2018-07-20 | 国网山东省电力公司潍坊供电公司 | Electric system switching on/off handcart examines auxiliary device |
| CN104269749A (en) * | 2014-09-30 | 2015-01-07 | 四川蓝讯宝迩电子科技有限公司 | Ring main unit with current indicating devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20130703 |