CN201674122U - Comprehensive distribution box - Google Patents

Comprehensive distribution box Download PDF

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Publication number
CN201674122U
CN201674122U CN2010201721283U CN201020172128U CN201674122U CN 201674122 U CN201674122 U CN 201674122U CN 2010201721283 U CN2010201721283 U CN 2010201721283U CN 201020172128 U CN201020172128 U CN 201020172128U CN 201674122 U CN201674122 U CN 201674122U
Authority
CN
China
Prior art keywords
mentioned
merit
distribution box
circuit breaker
chamber
Prior art date
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.)
Expired - Fee Related
Application number
CN2010201721283U
Other languages
Chinese (zh)
Inventor
江建洲
马雪清
谭文花
齐勇
李宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Yucheng industry base electrical equipment Co., Ltd.
Original Assignee
NANJING YEJI ELECTRIC DEVICE CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NANJING YEJI ELECTRIC DEVICE CO Ltd filed Critical NANJING YEJI ELECTRIC DEVICE CO Ltd
Priority to CN2010201721283U priority Critical patent/CN201674122U/en
Application granted granted Critical
Publication of CN201674122U publication Critical patent/CN201674122U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a comprehensive distribution box which comprises three compartments, i.e. a power distribution chamber, a metering chamber and a reactive capacitance compensation chamber, wherein the power distribution chamber consists of a circuit breaker, a contactor and an electricity leakage protector, or directly leads an outgoing line to be connected with a load by an electricity leakage circuit breaker so as to have electricity leakage protecting function; the metering chamber comprises an incoming cable, a secondary device junction box, a kilowatt-hour meter and a metering current transformer, has the function of metering electric energy and can be taken as an incoming line chamber; and the reactive capacitance compensation chamber can be used for realizing local compensation of reactive power, thus greatly reducing the loss generated by a great deal of reactive current in a circuit, and saving the electric energy. Therefore, the comprehensive distribution box avoids the influence on the use of a device since the voltage of the circuit is reduced, and higher economic benefit can be obtained by less investment.

Description

Comprehensive distribution box
Technical field
The utility model relates to a kind of grid equipment, and particularly a kind of comprehensive distribution box that possesses distribution, metering, reactive power compensation function belongs to electrical network low-voltage distribution field.
Background technology
At present; in rural power grids, because for the urban power grid, its inductive load is less; existing distribution box generally only is made of circuit breaker, contactor and Aftercurrent protecting equipment, the device that be not provided with and be used for the local compensation electric network reactive-load, reduces line loss and energy loss.But along with economic development and growth in the living standard, electrical equipment such as air-conditioning, refrigerator and motor are more and more general in the rural area, cause the perceptual power in the rural power grids to increase, thereby cause voltage to descend, energy loss and the equipment degradation problem of exerting oneself down may be damaged power consumption equipment in the time of seriously.
The utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide a kind of comprehensive distribution box that can reach protection and improve the rural power grids quality of power supply.
For achieving the above object, the utility model is to realize by following technical scheme:
A kind of comprehensive distribution box, comprise switchgear house and measuring room in its casing, it is characterized in that, also comprise idle capacitance compensation chamber, be provided with the inlet wire cable in the above-mentioned measuring room, secondary device terminal box, kilowatt-hour meter and metering current mulual inductor, above-mentioned metering current mulual inductor are socketed on the above-mentioned inlet wire cable, and above-mentioned secondary device terminal box and kilowatt-hour meter are connected with the secondary line of above-mentioned metering current mulual inductor; Above-mentioned switchgear house is provided with fuse and the output branch road that is used to be connected load of one or more, above-mentioned fuse is connected with above-mentioned inlet wire cable, the input of the output branch road of above-mentioned one or more is attempted by the output of above-mentioned fuse, is in series with branch breaker, contactor and earth leakage protective device on every output branch road successively or directly is connected residual current circuit breaker; Above-mentioned idle capacitance compensation chamber is provided with merit supplementary line circuit breaker, merit supplementary line current transformer, intelligence capacitor and merit are mended instrument, the input of above-mentioned merit supplementary line circuit breaker links to each other with the output of above-mentioned fuse, a circuit of above-mentioned merit supplementary line current transformer is socketed on the circuit of output of above-mentioned merit supplementary line circuit breaker, above-mentioned intelligent capacitor is connected the output of above-mentioned merit supplementary line circuit breaker, the voltage sample end of above-mentioned merit benefit instrument is arranged on the input of above-mentioned merit supplementary line circuit breaker, its current sample end is arranged on the secondary line of above-mentioned merit supplementary line current transformer, above-mentioned merit is mended instrument and is linked to each other with above-mentioned intelligent capacitor, controls the switching action of intelligent capacitor.
Aforesaid comprehensive distribution box is characterized in that, the circuit between circuit between above-mentioned metering current mulual inductor and the above-mentioned fuse and above-mentioned merit supplementary line current transformer and the above-mentioned intelligent capacitor is provided with lightning arrester.
Aforesaid comprehensive distribution box is characterized in that, its casing is divided into left and right sides two parts, and left part is divided into front side and rear side, and above-mentioned switchgear house and measuring room lay respectively at the front side and the rear side of casing left part, and above-mentioned idle capacitance compensation chamber is positioned at the rear portion.
Aforesaid comprehensive distribution box is characterized in that, above-mentioned switchgear house, measuring room and idle capacitance compensation chamber are provided with the panel of setting element and the chamber door of band door lock.
Aforesaid comprehensive distribution box is characterized in that, the casing both sides have the heat radiation window.
The beneficial effects of the utility model are: the local compensation of realizing reactive power, the loss that has significantly reduced a large amount of reactive currents in the circuit and produced, saves energy is avoided line voltage distribution to reduce and is influenced the use of equipment, has reached high economic benefit with less input.
Description of drawings
Fig. 1 is the block diagram of the connecting relation of comprehensive distribution box of the present utility model;
Fig. 2 is the vertical view that removes top cover of comprehensive distribution box of the present utility model;
Fig. 3 is the front view that comprehensive distribution box of the present utility model removes door;
Fig. 4 is the front view of comprehensive distribution box band door of the present utility model.
Among the figure: 1 is switchgear house, and 2 is idle capacitance compensation chamber, and 3 is measuring room, and 4 is chamber door, and 5 is door lock, and 6 are the heat radiation window.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done concrete introduction.
Fig. 1 is the block diagram of the connecting relation of comprehensive distribution box of the present utility model; Fig. 2 is the vertical view that removes top cover of comprehensive distribution box of the present utility model; Fig. 3 is the front view that comprehensive distribution box of the present utility model removes door; Fig. 4 is the front view of comprehensive distribution box band door of the present utility model.
With reference to Fig. 1, this comprise with utility model comprise switchgear house in its casing, measuring room is idle and the capacitance compensation chamber.Be provided with secondary device terminal box, kilowatt-hour meter and metering current mulual inductor in the measuring room, and the inlet wire cable that inserts from electrical network, the primary winding of metering current mulual inductor is socketed on the inlet wire cable, secondary device terminal box and kilowatt-hour meter are connected on the secondary line of metering current mulual inductor, wherein the secondary device terminal box is used to connect other secondary devices, and the effect of basement has also been played in the effect that this part can play electric energy metrical.
Switchgear house is provided with fuse and the output branch road that is used to be connected load of one or more, as a preferred version of the present utility model, can tell three output branch roads that connect load.Fuse is connected with the inlet wire cable, and its output is connected with the input of above-mentioned output branch road respectively.Fuse plays the effect of the whole circuit of protection as a tangible breakpoint.Can be in series with branch breaker, contactor and earth leakage protective device on every output branch road, overload, short circuit and the earth leakage protective of circuit can be provided; As another preferred version of the present utility model, the output branch road can also directly use residual current circuit breaker to connect load, also can play the effect of protection.
Idle capacitance compensation chamber is provided with merit supplementary line circuit breaker, merit supplementary line current transformer, intelligent capacitor and merit and mends instrument, and the input of merit supplementary line circuit breaker is connected the output of the fuse of main line; The primary winding of merit supplementary line current transformer is socketed on the merit supplementary line circuit breaker circuit of output terminal.The intelligence capacitor is connected the output of above-mentioned merit supplementary line circuit breaker.The voltage sample end of merit benefit instrument is arranged on the input of above-mentioned merit supplementary line circuit breaker, and its current sample end is arranged on the secondary line of above-mentioned merit supplementary line current transformer, and merit is mended instrument and linked to each other with intelligent capacitor, is responsible for the switching action of the intelligent capacitor of control.Power factor change situation in the electrical network that merit benefit instrument detection current transformer provides, if power factor is reduced to desired value (can mend in the instrument in merit in advance and set), as 0.90, merit is mended the idle amount input electric capacity that instrument can compensate on demand, carry out current compensation, thereby reduce a large amount of reactive currents, make power factor reach desired value, reach the purpose of improving the quality of power supply.
With reference to Fig. 2, Fig. 3 and Fig. 4, as a preferred version of the present utility model, casing can be divided into left and right sides two parts, left part is divided into front side and rear side, above-mentioned switchgear house and measuring room lay respectively at the front side and the rear side of casing left part, and above-mentioned idle capacitance compensation chamber is positioned at right part.Switchgear house, measuring room and idle capacitance compensation chamber are provided with the panel of setting element and the chamber door of band door lock.Above-mentioned electric elements and interface can be arranged on the panel.The chamber door of band door lock can finely be safeguarded the equipment in the casing, can adopt general mechanical lock, also can adopt electronic password lock.As another preferred version of the present utility model, the casing both sides can also be provided with the heat radiation window, and the equipment in the case can finely be dispelled the heat, and guarantee useful life.
The foregoing description does not limit the utility model in any form, and all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drop in the protection range of the present utility model.

Claims (5)

1. comprehensive distribution box, comprise switchgear house and measuring room in its casing, it is characterized in that, also comprise idle capacitance compensation chamber, be provided with the inlet wire cable in the above-mentioned measuring room, secondary device terminal box, kilowatt-hour meter and metering current mulual inductor, above-mentioned metering current mulual inductor are socketed on the above-mentioned inlet wire cable, and above-mentioned secondary device terminal box and kilowatt-hour meter are connected with the secondary line of above-mentioned metering current mulual inductor; Above-mentioned switchgear house is provided with fuse and the output branch road that is used to be connected load of one or more, above-mentioned fuse is connected with above-mentioned inlet wire cable, the input of the output branch road of above-mentioned one or more is attempted by the output of above-mentioned fuse, is in series with branch breaker, contactor and earth leakage protective device on every output branch road successively or directly is connected residual current circuit breaker; Above-mentioned idle capacitance compensation chamber is provided with merit supplementary line circuit breaker, merit supplementary line current transformer, intelligence capacitor and merit are mended instrument, the input of above-mentioned merit supplementary line circuit breaker links to each other with the output of above-mentioned fuse, a circuit of above-mentioned merit supplementary line current transformer is socketed on the circuit of output of above-mentioned merit supplementary line circuit breaker, above-mentioned intelligent capacitor is connected the output of above-mentioned merit supplementary line circuit breaker, the voltage sample end of above-mentioned merit benefit instrument is arranged on the input of above-mentioned merit supplementary line circuit breaker, its current sample end is arranged on the secondary line of above-mentioned merit supplementary line current transformer, above-mentioned merit is mended instrument and is linked to each other with above-mentioned intelligent capacitor, controls the switching action of intelligent capacitor.
2. comprehensive distribution box according to claim 1 is characterized in that, the circuit between circuit between above-mentioned metering current mulual inductor and the above-mentioned fuse and above-mentioned merit supplementary line current transformer and the above-mentioned intelligent capacitor is provided with lightning arrester.
3. comprehensive distribution box according to claim 2 is characterized in that its casing is divided into left and right sides two parts, and left part is divided into front side and rear side, and above-mentioned switchgear house and measuring room lay respectively at the front side and the rear side of casing left part, and above-mentioned idle capacitance compensation chamber is positioned at right part.
4. comprehensive distribution box according to claim 3 is characterized in that, above-mentioned switchgear house, measuring room and idle capacitance compensation chamber are provided with the panel of setting element and the chamber door of band door lock.
5. according to any described comprehensive distribution box in the claim 1 to 4, it is characterized in that the casing both sides have the heat radiation window.
CN2010201721283U 2010-04-26 2010-04-26 Comprehensive distribution box Expired - Fee Related CN201674122U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201721283U CN201674122U (en) 2010-04-26 2010-04-26 Comprehensive distribution box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201721283U CN201674122U (en) 2010-04-26 2010-04-26 Comprehensive distribution box

Publications (1)

Publication Number Publication Date
CN201674122U true CN201674122U (en) 2010-12-15

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ID=43331530

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010201721283U Expired - Fee Related CN201674122U (en) 2010-04-26 2010-04-26 Comprehensive distribution box

Country Status (1)

Country Link
CN (1) CN201674122U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103579921A (en) * 2013-11-13 2014-02-12 广东长电成套电器有限公司 Comprehensive power distribution device
CN104753046A (en) * 2015-04-24 2015-07-01 国网河南夏邑县供电公司 Distribution-circuit intermediate protection integrated device
CN106384943A (en) * 2016-10-15 2017-02-08 国网山东省电力公司寿光市供电公司 Novel highly integrated comprehensive agricultural plate
CN106961112A (en) * 2016-10-15 2017-07-18 刘杰 A kind of integrated comprehensive agriculture disc system of novel high

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103579921A (en) * 2013-11-13 2014-02-12 广东长电成套电器有限公司 Comprehensive power distribution device
CN103579921B (en) * 2013-11-13 2015-09-23 广东长电成套电器有限公司 A kind of comprehensive distribution equipment
CN104753046A (en) * 2015-04-24 2015-07-01 国网河南夏邑县供电公司 Distribution-circuit intermediate protection integrated device
CN106384943A (en) * 2016-10-15 2017-02-08 国网山东省电力公司寿光市供电公司 Novel highly integrated comprehensive agricultural plate
CN106961112A (en) * 2016-10-15 2017-07-18 刘杰 A kind of integrated comprehensive agriculture disc system of novel high
CN106961112B (en) * 2016-10-15 2019-09-06 刘杰 A kind of highly integrated synthesis agriculture disc system

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: JIANGSU YUCHENG YEJI ELECTRIC EQUIPMENT CO., LTD.

Free format text: FORMER OWNER: NANJING YEJI ELECTRIC DEVICE CO., LTD.

Effective date: 20141031

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20141031

Address after: Airport hub Economic Zone bell Jiangning Development Zone in Nanjing City, Jiangsu province 211151 crafts Road No. 4

Patentee after: Jiangsu Yucheng industry base electrical equipment Co., Ltd.

Address before: Jiangning Economic Development Zone, Nanjing City, Jiangsu province 211151 Metro Airport Industrial Park Avenue South City Industrial Park

Patentee before: Nanjing Yeji Electric Device Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101215

Termination date: 20160426