CN103050902A - Switch cabinet with medium-voltage and high-voltage potential indicator - Google Patents
Switch cabinet with medium-voltage and high-voltage potential indicator Download PDFInfo
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- CN103050902A CN103050902A CN201210225768XA CN201210225768A CN103050902A CN 103050902 A CN103050902 A CN 103050902A CN 201210225768X A CN201210225768X A CN 201210225768XA CN 201210225768 A CN201210225768 A CN 201210225768A CN 103050902 A CN103050902 A CN 103050902A
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- medium
- high voltage
- voltage charge
- charge indicator
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Abstract
The invention discloses a switch cabinet with a medium-voltage and high-voltage potential indicator. The switch cabinet comprises a cabinet body (1), wherein the bottom of the cabinet body (1) is provided with a grounding main bus (20), the inner space of the cabinet body (1) is separated into four units by a separating plate (18), the four units are respectively a circuit breaker cart chamber (3), a relay instrument chamber (4), a cable chamber (17) and a bus chamber (2), the inside of the cable chamber (17) is also provided with a medium-voltage and high-voltage potential indicator (13) and a lightning arrester (14), the medium-voltage and high-voltage potential indicator (13) is connected with a cable (16), the lightning arrester (14) is connected with a grounding switch (15), and the top part of the cabinet body (1) is provided with three pressure release devices (19). Through the structure, the switch cabinet has the advantages that the spreading accidents in the switch cabinet are avoided, the overhigh pressure in the switch cabinet is avoided, the potential condition of a medium-voltage and high-voltage loop is timely and reliably displayed, and the operation safety of the switch cabinet is improved.
Description
Technical field
The present invention relates to a kind of switch cubicle, specifically a kind of switch cubicle with medium-high voltage charge indicator.
Background technology
Along with the development of manufacturing enterprise and power supply management, switch cubicle has obtained using more and more continually as a kind of electric equipment, and is also more and more higher 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.; outside line is introduced into master switch in the cabinet; then enter a minute control switch; each need to arrange by it along separate routes; what have also establishes hyperbaric chamber, low-pressure chamber and high voltage bus, such as 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 like this some problems in present switch cubicle, when passing the switch cubicle dividing plate when bus, is not fixed, and when inside switch cabinet breaks down electric arc, can cause accident to spread to adjacent cabinet; Switch cubicle lacks pressure relief device, when inside switch cabinet air pressure raises, can not release pressure, drainage gas, and cause easily the damage of operating personnel and switch cubicle; General switch cubicle lacks charged display device, can not point out in real time the charged situation in the loop, causes easily negligence of operation, 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, they can only display power supply break-make, its maximum indication range is between 110V ~ 250V.
Summary of the invention
The invention provides the switch cubicle with medium-high voltage charge indicator, solved in the past that switch cubicle lacks special medium-high voltage charge indicator, thereby cause operating personnel to neglect, even the problem that leads to a disaster.
The present invention is that the technical solution problem is achieved through the following technical solutions: with the switch cubicle of medium-high voltage charge indicator, comprise cabinet, the bottom of cabinet is provided with earthing main bus, the inner space of cabinet is become four unit by baffle for separating, it is respectively the circuit breaker cart chamber, the 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, 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 by the little bus of branch and fixed contact box, be provided with static contact head device in the fixed contact box, described 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, bus-bar room is positioned at the top of cable vault, also be provided with medium-high voltage charge indicator and lightning arrester in the described cable vault, described medium-high voltage charge indicator is connected with cable, described lightning arrester is connected with earthed switch, the top of cabinet is provided with 3 pressure relief devices, and 3 pressure relief devices and lay respectively at the circuit breaker cart chamber, the top of bus-bar room and cable vault.
Described medium-high voltage charge indicator comprises indicating circuit and is provided with the casing of at least two lamp holes.
Described indicating circuit comprises input port, rectification unit, switch element, luminescence component, protective resistance and the delivery outlet that connects successively.
Described rectification unit comprises at least two successively diodes of series connection, is parallel with shunt resistance on each diode.
Described rectification unit is 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 described bridge rectifier.
Described switch element comprises tunnel diode and the electric capacity in parallel with the tunnel diode two ends.
Described switch element comprises bidirectional trigger diode and the electric capacity in parallel with the two ends of bidirectional trigger diode.
Described luminescence component comprises at least two group light-emitting diodes, and the light-emitting diode in the group is connected mutually, and the light-emitting diode between group is parallel with one another.
The back side of described casing is provided with fixture, and described 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.
Described 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, described anchor clamps comprise and are all semi-moon shaped quiet cell body and moving cell body, quiet cell body is fixed on the fixed mount, quiet cell body is provided with corresponding through hole with moving cell body, and the diameter of through hole is greater than the diameter of bolt.
The present invention compared with prior art has the following advantages and beneficial effect:
When (1) bus of the present invention passes through the switch cubicle dividing plate, with bus casing bus is fixed, when inside switch cabinet broke down electric arc, well restriction accident spread to adjacent cabinet, and had ensured the mechanical strength of bus.
(2) top of the present invention is provided with pressure relief device, and when inside switch cabinet air pressure raise, release pressure, drainage gas avoided causing the damage of operating personnel and switch cubicle soon.
(3) the present invention is provided with medium-high voltage charge indicator on the basis of switch cubicle in the past, be used for treating the survey time road and carry 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 overall structure schematic diagram of the present invention;
Fig. 2 is the structural representation of the indicating circuit of embodiments of the invention 1;
Fig. 3 is the structural representation of the indicating circuit of embodiments of the invention 2;
Fig. 4 is the structural representation of the indicating circuit of embodiments of the invention 3;
Fig. 5 is the structural representation of the indicating circuit of embodiments of the invention 4;
Fig. 6 is the structural representation of the indicating circuit of embodiments of the invention 5;
Fig. 7 is the structural representation of the indicating circuit of embodiments of the invention 6;
Fig. 8 is the structural representation of casing of the medium-high voltage charge indicator of embodiments of the invention 1 ~ embodiment 4;
Fig. 9 is the structural representation of casing of the medium-high voltage charge indicator of embodiments of the invention 5 and embodiment 6.
Corresponding 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; circuit breaker trolley, 11; guide rail, 12; static contact head device; 13; medium-high voltage charge indicator, 14; lightning arrester, 15; earthed switch; 16; cable, 17; the cable vault, 18; dividing plate; 19; pressure relief device, 20; earthing main bus, 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
The present invention is described in further detail below in conjunction with embodiment, but embodiments of the present invention are not limited to this.
Embodiment 1:
Such as Fig. 1, Fig. 2 and shown in Figure 8, the present invention includes cabinet 1, the bottom of cabinet 1 is provided with earthing main bus 20, the inner space of cabinet 1 is separated into four unit by dividing plate 18, it 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, current transformer 21 is connected with cable 16, be provided with main bus bar 6 and bus casing 7 in the bus-bar room 2, main bus bar 6 is fixing by the little bus 8 of branch and fixed contact box 9, be provided with static contact head device 12 in the fixed contact box 9, described relay control room 4 is positioned at the top of circuit breaker cart chamber 3, 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 medium-high voltage charge indicator 13 and lightning arrester 14 in the described cable vault 17, described medium-high voltage charge indicator 13 is connected with cable 16, described lightning arrester 14 is connected connection with earthed switch, the top of cabinet 1 is provided with 3 pressure relief devices 19, and 3 pressure relief devices 19 and lay respectively at circuit breaker cart chamber 3, the top of bus-bar room 2 and cable vault 17.
The medium-high voltage charge indicator 13 of present embodiment comprises indicating circuit and is provided with the casing 41 of 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 successively diodes 35 of series connection, is parallel with shunt resistance 36 on each diode 35; Switch element comprises tunnel diode 39 and the electric capacity 38 in parallel 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 mutually, 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:
Such as Fig. 1, Fig. 3 and shown in Figure 8, present embodiment is substantially the same manner as Example 1, 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 mutually, and the light-emitting diode 37 between group is parallel with one another.
Embodiment 3:
Such as Fig. 1, Fig. 4 and shown in Figure 8, present embodiment is substantially the same manner as Example 1, and different places are that the rectification unit 30 of present embodiment comprises three successively diodes 35 of series connection, is parallel with shunt resistance 36 on each diode 35.
Embodiment 4:
Such as Fig. 1, Fig. 5 and shown in Figure 8, present embodiment is substantially the same manner as Example 2, and different places are that the rectification unit 30 of present embodiment comprises three successively diodes 35 of series connection, is parallel with shunt resistance 36 on each diode 35.
Embodiment 5:
Such as Fig. 1, Fig. 6 and shown in Figure 9, present embodiment is substantially the same manner as Example 1, different places are, the rectification unit 30 of present embodiment is bridge rectifier, two signal input parts of bridge rectifier are connected with delivery outlet with input port 29 respectively and are connected, 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 in parallel 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, anchor clamps comprise and are all semi-moon shaped quiet cell body 23 and moving cell body 24, 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:
Such as Fig. 1, Fig. 7 and shown in Figure 9, present embodiment is substantially the same manner as Example 5, 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 mutually, and the light-emitting diode 37 between group is parallel with one another.
Operation principle of the present invention is: each electric equipment is installed in the corresponding unit accordingly, connects each circuit; In the time main bus bar 6 need to being passed through the dividing plate 18 of switch cubicle, with bus casing 7 that main bus bar 6 is fixing; 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 and drain gas; Medium-high voltage charge indicator 13 detects the charged situation in the loop in real time, and by light-emitting diode 37 alert on the medium-high voltage charge indicator 13.
As mentioned above, then can realize well the present invention.
Claims (10)
1. with the switch cubicle of medium-high voltage charge indicator, comprise cabinet (1), the bottom of cabinet (1) is provided with earthing main bus (20), the inner space of cabinet (1) is separated into four unit by dividing plate (18), 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), current transformer (21) is connected with cable (16), be provided with main bus bar (6) and bus casing (7) in the bus-bar room (2), main bus bar (6) is fixing by the 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: described relay control room (4) is positioned at the top of circuit breaker cart chamber (3), 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 medium-high voltage charge indicator (13) and lightning arrester (14) in the described cable vault (17), described medium-high voltage charge indicator (13) is connected with cable (16), described lightning arrester (14) is connected 15 with earthed switch) connect, the top of cabinet (1) is provided with 3 pressure relief devices (19), and 3 pressure relief devices (19) and lay respectively at circuit breaker cart chamber (3), the top of bus-bar room (2) and cable vault (17).
2. the switch cubicle with medium-high voltage charge indicator according to claim 1 is characterized in that: described medium-high voltage charge indicator (13) comprises indicating circuit and is provided with the casing (41) of at least two lamp holes (27).
3. the switch cubicle with medium-high voltage charge indicator according to claim 2 is characterized in that: described 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 with medium-high voltage charge indicator according to claim 3 is characterized in that: described rectification unit (30) comprises at least two successively diodes (35) of series connection, is parallel with shunt resistance (36) on each diode (35).
5. the switch cubicle with medium-high voltage charge indicator according to claim 3; it is characterized in that: described rectification unit (30) is bridge rectifier; two signal input parts of bridge rectifier are connected 34 with input port (29) with delivery outlet respectively) be connected; 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 described bridge rectifier.
6. the switch cubicle with medium-high voltage charge indicator according to claim 3, it is characterized in that: described switch element comprises tunnel diode (39) and the electric capacity (38) in parallel with tunnel diode (39) two ends.
7. the switch cubicle with medium-high voltage charge indicator according to claim 3, it is characterized in that: described switch element comprises bidirectional trigger diode (31) and the electric capacity (38) in parallel with the two ends of bidirectional trigger diode (31).
8. the switch cubicle with medium-high voltage charge indicator according to claim 3, it is characterized in that: described luminescence component (32) comprises at least two group light-emitting diodes (37), light-emitting diode (37) in the group is series connection mutually, and the light-emitting diode between group (37) is parallel with one another.
9. the switch cubicle with medium-high voltage charge indicator according to claim 2, it is characterized in that: the back side of described casing (41) is provided with fixture, described 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 with medium-high voltage charge indicator according to claim 9, it is characterized in that: described 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), described anchor clamps comprise and are all semi-moon shaped quiet cell body (23) and moving cell body (24), 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210225768XA CN103050902A (en) | 2011-10-15 | 2012-07-03 | Switch cabinet with medium-voltage and high-voltage potential indicator |
Applications Claiming Priority (21)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110311978.6 | 2011-10-15 | ||
| CN201110311972 | 2011-10-15 | ||
| CN201110311977 | 2011-10-15 | ||
| CN201110311974 | 2011-10-15 | ||
| CN201110311979.0 | 2011-10-15 | ||
| CN201110311975.2 | 2011-10-15 | ||
| CN201110311973 | 2011-10-15 | ||
| CN201110311974.8 | 2011-10-15 | ||
| CN201110311977.1 | 2011-10-15 | ||
| CN201110311973.3 | 2011-10-15 | ||
| CN201110311981.8 | 2011-10-15 | ||
| CN201110311975 | 2011-10-15 | ||
| CN201110311976.7 | 2011-10-15 | ||
| CN201110311978 | 2011-10-15 | ||
| CN201110311979 | 2011-10-15 | ||
| CN201110311981 | 2011-10-15 | ||
| CN201110311976 | 2011-10-15 | ||
| CN201110311972.9 | 2011-10-15 | ||
| CN201110311980.3 | 2011-10-15 | ||
| CN201110311980 | 2011-10-15 | ||
| CN201210225768XA CN103050902A (en) | 2011-10-15 | 2012-07-03 | Switch cabinet with medium-voltage and high-voltage potential indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103050902A true CN103050902A (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210225768XA Pending CN103050902A (en) | 2011-10-15 | 2012-07-03 | Switch cabinet with medium-voltage and high-voltage potential indicator |
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| CN (1) | CN103050902A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308750A (en) * | 2013-05-16 | 2013-09-18 | 厦门安达兴电气集团有限公司 | General high-voltage potential indicator |
| CN104124621A (en) * | 2014-06-28 | 2014-10-29 | 南京恒众机械有限公司 | Novel ring main unit for circuit breaker |
| CN107293087A (en) * | 2016-03-30 | 2017-10-24 | 国网辽宁省电力有限公司本溪供电公司 | A kind of powered earthing alarm unit by mistake of 10kV high-tension switch cabinets |
| CN110265909A (en) * | 2019-07-24 | 2019-09-20 | 四川电器集团股份有限公司 | A kind of intelligentized miniature switchgear |
| RU219081U1 (en) * | 2023-02-13 | 2023-06-28 | Общество С Ограниченной Ответственностью "Инженерная Компания "555" | Three-phase indicator of visual control of alternating voltage |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3337276A1 (en) * | 1983-10-13 | 1985-04-25 | Brown, Boveri & Cie Ag, 6800 Mannheim | Switch panel for a medium-voltage or low-voltage switching and distribution installation |
| CN2060896U (en) * | 1989-12-19 | 1990-08-22 | 福州市电力器件厂 | Arrange for monitoring high-voltage circuit |
| CN101345398A (en) * | 2008-08-18 | 2009-01-14 | 安徽中安恒宇电气传动有限公司 | Central-positioned switch cabinet |
| CN201464542U (en) * | 2009-04-22 | 2010-05-12 | 四川蓝讯宝迩电子科技有限公司 | Medium-high voltage potential indicator |
-
2012
- 2012-07-03 CN CN201210225768XA patent/CN103050902A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3337276A1 (en) * | 1983-10-13 | 1985-04-25 | Brown, Boveri & Cie Ag, 6800 Mannheim | Switch panel for a medium-voltage or low-voltage switching and distribution installation |
| CN2060896U (en) * | 1989-12-19 | 1990-08-22 | 福州市电力器件厂 | Arrange for monitoring high-voltage circuit |
| CN101345398A (en) * | 2008-08-18 | 2009-01-14 | 安徽中安恒宇电气传动有限公司 | Central-positioned switch cabinet |
| CN201464542U (en) * | 2009-04-22 | 2010-05-12 | 四川蓝讯宝迩电子科技有限公司 | Medium-high voltage potential indicator |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308750A (en) * | 2013-05-16 | 2013-09-18 | 厦门安达兴电气集团有限公司 | General high-voltage potential indicator |
| CN103308750B (en) * | 2013-05-16 | 2015-06-17 | 厦门安达兴电气集团有限公司 | General high-voltage potential indicator |
| CN104124621A (en) * | 2014-06-28 | 2014-10-29 | 南京恒众机械有限公司 | Novel ring main unit for circuit breaker |
| CN107293087A (en) * | 2016-03-30 | 2017-10-24 | 国网辽宁省电力有限公司本溪供电公司 | A kind of powered earthing alarm unit by mistake of 10kV high-tension switch cabinets |
| CN110265909A (en) * | 2019-07-24 | 2019-09-20 | 四川电器集团股份有限公司 | A kind of intelligentized miniature switchgear |
| RU219081U1 (en) * | 2023-02-13 | 2023-06-28 | Общество С Ограниченной Ответственностью "Инженерная Компания "555" | Three-phase indicator of visual control of alternating voltage |
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Application publication date: 20130417 |