CN104617510A - Low-voltage drawing type switch cabinet with electricity leakage alarming function - Google Patents
Low-voltage drawing type switch cabinet with electricity leakage alarming function Download PDFInfo
- Publication number
- CN104617510A CN104617510A CN201510031478.5A CN201510031478A CN104617510A CN 104617510 A CN104617510 A CN 104617510A CN 201510031478 A CN201510031478 A CN 201510031478A CN 104617510 A CN104617510 A CN 104617510A
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- China
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- resistance
- hef4011bt
- chip
- pin
- triode
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a low-voltage drawing type switch cabinet with the electricity leakage alarming function. The switch cabinet comprises a frame; the frame comprises two front vertical columns, two medium vertical columns and two rear vertical columns; each front vertical column is connected with the corresponding medium vertical column and rear vertical column through an upper cross beam and a lower cross beam; a plurality of separating plates are arranged between each front vertical column and the corresponding medium vertical column; a plurality of C-shaped reinforcing connecting parts are arranged between each medium vertical column and the corresponding rear vertical column; a bus chamber is formed in the upper part of the frame; a plurality of drawer chambers which are arranged in parallel in the top and bottom direction and used for storing drawers are formed in the left side end of the frame; each drawer has the same size; a through switch chamber for storing a switch device is arranged at the right side end of the frame; a drawing type mounting plate for mounting an electric device is arranged in each drawer chamber; ground contacts which are closely contacted are arranged between the drawers and the frame; an electricity leakage alarm is arranged on the surface of the frame. The switch cabinet is stable in structure and high in safety.
Description
Technical field
The invention belongs to switch cubicle field, be specifically related to a kind of low voltage drawing-out switching carbinet with warning function of electric leakage.
Background technology
Switch cubicle is a kind of electric equipment, and switch cubicle outside line is introduced into master switch in cabinet, then enters sub-control switch, and each shunt needs to arrange by it.As instrument, automatic control, motor magnetic switch, various A.C. contactors etc., what have also establishes hyperbaric chamber and low-pressure chamber switch cubicle, is provided with high voltage bus, as power plant etc., the low-frequency load reduction be also provided with as protecting capital equipment had.
The Main Function of switch cubicle carries out generating electricity in electric power system, transmits electricity, in the process of distribution and electric energy conversion, carries out folding, control and protection power consumption equipment.Parts in switch cubicle mainly contain the compositions such as circuit breaker, isolating switch, on-load switch, operating mechanism, instrument transformer and various protective devices.The sorting technique of switch cubicle is a lot, as being divided into withdraw-type switch cabinet and fixed switching cabinet by circuit breaker mounting means; Or according to the difference of cabinet body structure, open type switch cubicle, metal closed switch cabinet and metal enclosed armoured switch cabinet can be divided into; High-tension switch cabinet can be divided into again, Medium Voltage Switchgear and low-tension switch cabinet etc. according to electric pressure difference.Mainly be applicable to various different occasion such as power plant, transformer station, petrochemical industry, metallurgical steel rolling, industry light industry textile industry, industrial enterprise and residential quarters, skyscraper etc.
Low voltage drawing-out switching carbinet is widely used in power plant, electric substation, the motive power distribution center PC of industrial enterprise and skyscraper and motor control center MCC, as interchange 50-60Hz, rated operational voltage is 660V and following, rated current be 4000A and following to send out, distribution, motor centralized control in electric power system, the low-voltage complete power distribution equipment that reactive power compensation uses.
Existing low voltage drawing-out switching carbinet is generally made up of a cylindrical shell, and steadiness is poor.And when electric leakage occurs switch cubicle, even if there is ground connection, when people contacts cabinet, also can electric shock accidents be there is.Therefore, when there is electric leakage, how problem demanding prompt solution can just have been become to people's warning.
Summary of the invention
The object of the invention is to provide a kind of low voltage drawing-out switching carbinet with warning function of electric leakage, solves existing switch cubicle steadiness difference and does not have the problem of leakage warning.
Technical scheme of the present invention is: the low voltage drawing-out switching carbinet with warning function of electric leakage, comprise tank bracket, tank bracket comprises two front columns, two central posts and two rear columns, every root front column all with to should the central post of front column, rear column be connected by upper and lower two crossbeams; Every root front column is all and to being provided with polylith dividing plate between the central post of front column; Every root central post all and to being equipped with multiple C type between the rear column of central post to reinforce the connection part, described tank bracket top is provided with bus-bar room, the left-hand end of described tank bracket is provided with multiple drawer rooms of being arranged side by side along the vertical direction for holding drawer, described each drawer has same size, the right-hand end of described tank bracket is provided with the switch gear room of up/down perforation for holding switching device, described each drawer indoor are equipped with the pull-out type mounting panel for installing electrical equipment, be provided with the grounding contact of close contact between described drawer and described tank bracket, tank bracket surface is provided with leakage alarm; Described leakage alarm comprises housing, be provided with circuit board in housing, described circuit board comprises chip HEF4011BT, resistance R1-R9, electric capacity C1-C2, diode D1, light-emitting diode D2, triode VT1-VT2, buzzer H, power supply E, detection line; Resistance R9 one end is connected with p-wire, connects positive source after the connecting of the other end and diode D1; Be connected with 11 pin of chip HEF4011BT after 13,14 pin of chip HEF4011BT connect, be connected with power cathode by resistance R5 after 6,12 pin of chip HEF4011BT connect, resistance R6 connects in parallel with electric capacity C2 again with resistance R7, the node of connecting resistance R6 and electric capacity C2 after 9,10 pin of chip HEF4011BT are connected; The first via of chip HEF4011BT the 8th pin connects the negative pole of power supply, the node of the second road connecting resistance R7 and electric capacity C2; Be connected with 7 pin of chip HEF4011BT with resistance R2 through resistance R1 successively after 2,3 pin of chip HEF4011BT are connected; The 1 pin first via of chip HEF4011BT is connected with one end of buzzer H, and the second tunnel connects the collector electrode of triode VT1 successively through light-emitting diode D2, resistance R3, the other end of buzzer H is connected with the collector electrode of triode VT1; The base stage of triode VT1 is divided into two-way through resistance R4, and the first via connects with 4 pin of chip HEF4011BT, and the second tunnel is connected with 2 pin of chip HEF4011BT through electric capacity C1, resistance R1 successively; The emitter of triode VT1 connects with power cathode; The one termination capacitor C1 of resistance R2 and the node of resistance R1,7 pin of another chip termination HEF4011BT; The collector electrode connecting resistance R6 of triode VT2 and the node of resistance R7, the base stage of triode VT2 connects with detection line through resistance R8, the emitter connecting resistance R9 of triode VT2 and the node of diode D1, the negative pole of light-emitting diode D2 connects the emitter of triode VT2.
Further, the side wall that described each drawer room and switch gear room adjoin is provided with cloth line three-way hole.
Further, in described switch gear room, molded case circuit breaker is installed.
The present invention compared with prior art tool has the following advantages:
1, each front column of the present invention is all and to being provided with polylith dividing plate between the central post of front column; Each central post all and to being equipped with multiple C type between the rear column of central post to reinforce the connection part.Reinforced the connection by dividing plate and C type the use of part, the bearing capacity of tank bracket increased greatly, thus avoids the damage of tank bracket part framework, and then make the structural integrity of low voltage drawing-out switching carbinet of the present invention better.
2, low voltage drawing-out switching carbinet of the present invention, when changing switch block in a certain drawer, directly the pull-out type mounting panel of each drawer room can be hauled out this drawer room, the grounding contact of close contact is provided with between drawer and cabinet, be convenient to carry out entirety change or keep in repair local, facility simple to operate and coefficient of safety is high.
3, tank bracket surface is provided with leakage alarm, has sound fluorescent tube warning function, effectively prevents the danger causing because of electric leakage getting an electric shock, and decreases the loss of personal security and the property safety of leaking electricity and bringing.
Accompanying drawing explanation
Fig. 1 is the structural representation of tank bracket of the present invention;
Fig. 2 is the Facad structure schematic diagram of switch cubicle;
Fig. 3 is the circuit diagram of leakage alarm.
In figure, Reference numeral is: 1-front column, 2-central post, 3-rear column, 4-crossbeam, 5-dividing plate, and 6-C type reinforces the connection part, 7-drawer, 30-bus-bar room, 11-drawer room, 12-switch gear room, 111-pull-out type mounting panel, 21-molded case circuit breaker.
Embodiment
Embodiment 1
As shown in Figure 1, have the low voltage drawing-out switching carbinet of warning function of electric leakage, comprise tank bracket, tank bracket comprises two front columns, 1, two central posts 2 and two rear columns 3.Every root front column 1 all with to should the central post 2 of front column 1, rear column 3 be connected by upper and lower two crossbeams 4, every root front column 1 is all and to being provided with polylith dividing plate 5 between the central post 2 of front column 1, every root central post 2 all and to being equipped with multiple C type between the rear column 3 of central post 2 to reinforce the connection part 6, described tank bracket top is provided with bus-bar room 30, the left-hand end of described tank bracket is provided with multiple drawer rooms 11 of being arranged side by side along the vertical direction for holding drawer 7, described each drawer 7 has same size, the right-hand end of described tank bracket is provided with the switch gear room 12 of up/down perforation for holding switching device, the pull-out type mounting panel 111 for installing electrical equipment is equipped with in described each drawer room 11, the grounding contact of close contact is provided with between described drawer 7 and described tank bracket, tank bracket surface is provided with leakage alarm.Leakage alarm comprises housing, be provided with circuit board in housing, described circuit board comprises chip HEF4011BT, resistance R1-R9, electric capacity C1-C2, diode D1, light-emitting diode D2, triode VT1-VT2, buzzer H, power supply E, detection line; Resistance R9 one end is connected with p-wire, connects positive source after the connecting of the other end and diode D1; Be connected with 11 pin of chip HEF4011BT after 13,14 pin of chip HEF4011BT connect, be connected with power cathode by resistance R5 after 6,12 pin of chip HEF4011BT connect, resistance R6 connects in parallel with electric capacity C2 again with resistance R7, the node of connecting resistance R6 and electric capacity C2 after 9,10 pin of chip HEF4011BT are connected; The first via of chip HEF4011BT the 8th pin connects the negative pole of power supply, the node of the second road connecting resistance R7 and electric capacity C2; Be connected with 7 pin of chip HEF4011BT with resistance R2 through resistance R1 successively after 2,3 pin of chip HEF4011BT are connected; The 1 pin first via of chip HEF4011BT is connected with one end of buzzer H, and the second tunnel connects the collector electrode of triode VT1 successively through light-emitting diode D2, resistance R3, the other end of buzzer H is connected with the collector electrode of triode VT1; The base stage of triode VT1 is divided into two-way through resistance R4, and the first via connects with 4 pin of chip HEF4011BT, and the second tunnel is connected with 2 pin of chip HEF4011BT through electric capacity C1, resistance R1 successively; The emitter of triode VT1 connects with power cathode; The one termination capacitor C1 of resistance R2 and the node of resistance R1,7 pin of another chip termination HEF4011BT; The collector electrode connecting resistance R6 of triode VT2 and the node of resistance R7, the base stage of triode VT2 connects with detection line through resistance R8, the emitter connecting resistance R9 of triode VT2 and the node of diode D1, the negative pole of light-emitting diode D2 connects the emitter of triode VT2.
The side wall that each drawer room 11 and switch gear room 12 adjoin is provided with cloth line three-way hole, is convenient to cabling and connects.Molded case circuit breaker 21 is installed in switch gear room 12.
The above embodiment only have expressed the embodiment of the application, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the application's protection range.It should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from technical scheme design, can also make some distortion and improvement, these all belong to the protection range of the application.
Claims (3)
1. there is the low voltage drawing-out switching carbinet of warning function of electric leakage, it is characterized in that, comprise tank bracket, tank bracket comprises two front columns, two central posts and two rear columns, every root front column all with to should the central post of front column, rear column be connected by upper and lower two crossbeams, every root front column is all and to being provided with polylith dividing plate between the central post of front column, every root central post all and to being equipped with multiple C type between the rear column of central post to reinforce the connection part, described tank bracket top is provided with bus-bar room, the left-hand end of described tank bracket is provided with multiple drawer rooms of being arranged side by side along the vertical direction for holding drawer, described each drawer has same size, the right-hand end of described tank bracket is provided with the switch gear room of up/down perforation for holding switching device, described each drawer indoor are equipped with the pull-out type mounting panel for installing electrical equipment, the grounding contact of close contact is provided with between described drawer and described tank bracket, tank bracket surface is provided with leakage alarm, described leakage alarm comprises housing, circuit board is provided with in housing, described circuit board comprises chip HEF4011BT, resistance R1-R9, electric capacity C1-C2, diode D1, light-emitting diode D2, triode VT1-VT2, buzzer H, power supply E, detection line, resistance R9 one end is connected with p-wire, connects positive source after the connecting of the other end and diode D1, be connected with 11 pin of chip HEF4011BT after 13,14 pin of chip HEF4011BT connect, be connected with power cathode by resistance R5 after 6,12 pin of chip HEF4011BT connect, resistance R6 connects in parallel with electric capacity C2 again with resistance R7, the node of connecting resistance R6 and electric capacity C2 after 9,10 pin of chip HEF4011BT are connected, the first via of chip HEF4011BT the 8th pin connects the negative pole of power supply, the node of the second road connecting resistance R7 and electric capacity C2, be connected with 7 pin of chip HEF4011BT with resistance R2 through resistance R1 successively after 2,3 pin of chip HEF4011BT are connected, the 1 pin first via of chip HEF4011BT is connected with one end of buzzer H, and the second tunnel connects the collector electrode of triode VT1 successively through light-emitting diode D2, resistance R3, the other end of buzzer H is connected with the collector electrode of triode VT1, the base stage of triode VT1 is divided into two-way through resistance R4, and the first via connects with 4 pin of chip HEF4011BT, and the second tunnel is connected with 2 pin of chip HEF4011BT through electric capacity C1, resistance R1 successively, the emitter of triode VT1 connects with power cathode, the one termination capacitor C1 of resistance R2 and the node of resistance R1,7 pin of another chip termination HEF4011BT, the collector electrode connecting resistance R6 of triode VT2 and the node of resistance R7, the base stage of triode VT2 connects with detection line through resistance R8, the emitter connecting resistance R9 of triode VT2 and the node of diode D1, the negative pole of light-emitting diode D2 connects the emitter of triode VT2.
2. according to the low voltage drawing-out switching carbinet with warning function of electric leakage described in claim 1, it is characterized in that, the side wall that described each drawer room and switch gear room adjoin is provided with cloth line three-way hole.
3. according to the low voltage drawing-out switching carbinet with warning function of electric leakage described in claim 1, it is characterized in that, in described switch gear room, molded case circuit breaker is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031478.5A CN104617510A (en) | 2015-01-22 | 2015-01-22 | Low-voltage drawing type switch cabinet with electricity leakage alarming function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031478.5A CN104617510A (en) | 2015-01-22 | 2015-01-22 | Low-voltage drawing type switch cabinet with electricity leakage alarming function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104617510A true CN104617510A (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510031478.5A Pending CN104617510A (en) | 2015-01-22 | 2015-01-22 | Low-voltage drawing type switch cabinet with electricity leakage alarming function |
Country Status (1)
| Country | Link |
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| CN (1) | CN104617510A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071272A (en) * | 2015-07-31 | 2015-11-18 | 太仓宏光自控电器设备有限公司 | AC low-voltage draw-out type power distribution cabinet |
| CN108376917A (en) * | 2018-03-23 | 2018-08-07 | 重庆九能控股有限公司 | A kind of New Low Voltage drawout cubicle |
| CN108711331A (en) * | 2018-06-20 | 2018-10-26 | 国网安徽省电力有限公司滁州供电公司 | A kind of relay protection practical operation teaching test stand |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103354330A (en) * | 2013-05-28 | 2013-10-16 | 环宇集团（南京）有限公司 | Low voltage draw-out type switch cabinet |
| CN103616606A (en) * | 2013-11-29 | 2014-03-05 | 国家电网公司 | JP cabinet electric leakage alarm apparatus |
| CN204030402U (en) * | 2014-09-04 | 2014-12-17 | 浙江海洋学院 | Low voltage drawing-out switching carbinet |
| CN204481375U (en) * | 2015-01-22 | 2015-07-15 | 四川省川东高压电器有限公司 | There is the low voltage drawing-out switching carbinet of warning function of electric leakage |
| CN204538657U (en) * | 2015-04-24 | 2015-08-05 | 谢锡东 | A kind of high sensitivity electrical shock safety protective circuit |
-
2015
- 2015-01-22 CN CN201510031478.5A patent/CN104617510A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354330A (en) * | 2013-05-28 | 2013-10-16 | 环宇集团（南京）有限公司 | Low voltage draw-out type switch cabinet |
| CN103616606A (en) * | 2013-11-29 | 2014-03-05 | 国家电网公司 | JP cabinet electric leakage alarm apparatus |
| CN204030402U (en) * | 2014-09-04 | 2014-12-17 | 浙江海洋学院 | Low voltage drawing-out switching carbinet |
| CN204481375U (en) * | 2015-01-22 | 2015-07-15 | 四川省川东高压电器有限公司 | There is the low voltage drawing-out switching carbinet of warning function of electric leakage |
| CN204538657U (en) * | 2015-04-24 | 2015-08-05 | 谢锡东 | A kind of high sensitivity electrical shock safety protective circuit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071272A (en) * | 2015-07-31 | 2015-11-18 | 太仓宏光自控电器设备有限公司 | AC low-voltage draw-out type power distribution cabinet |
| CN108376917A (en) * | 2018-03-23 | 2018-08-07 | 重庆九能控股有限公司 | A kind of New Low Voltage drawout cubicle |
| CN108711331A (en) * | 2018-06-20 | 2018-10-26 | 国网安徽省电力有限公司滁州供电公司 | A kind of relay protection practical operation teaching test stand |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150513 |