CN205051370U - Split type charging device - Google Patents
Split type charging device Download PDFInfo
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- CN205051370U CN205051370U CN201520703940.7U CN201520703940U CN205051370U CN 205051370 U CN205051370 U CN 205051370U CN 201520703940 U CN201520703940 U CN 201520703940U CN 205051370 U CN205051370 U CN 205051370U
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- 238000004891 communication Methods 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 27
- 238000012806 monitoring device Methods 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 11
- 230000001012 protector Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model provides a split type charging device, the device is including block terminal, cable and the cabinet that charges, the block terminal passes through cable junction the cabinet charges, charge the cabinet setting on the position side of charging, the cable includes charging cable, communication cable and distribution cable, the block terminal also can be for cable branch case in JP cabinet, box -type substation, the residential quarter or building block terminal. The device simple structure, area is little, has solved current charging device (especially charge stake) and resident's (or commerce or industry) user transformer that shares mostly, and misuse can cause distribution transformer to transship and unbalanced three phase, causes equipment to damage when serious, influences the problem of power consumption.
Description
Technical Field
The utility model relates to an electric automobile technical field's device that charges specifically says and relates to a split type charging device.
Background
The enhancement of public environmental protection consciousness and the state widely promote new energy automobile for more and more people select electric automobile, nevertheless receive the restriction in aspects such as electric wire netting load access, construction place and fund, and the transformer is shared with resident (or commercial or industrial) user to the great majority to current charging device (especially fill electric pile), and misuse can cause distribution transformer to transship and unbalanced three phase, causes equipment to damage when serious, influences the power consumption. And the charging station needs to build a special transformer, and because the population density of cities is high and land resources are scarce, the charging station is difficult to build at a proper position, and even if the charging station can be built, the investment cost is also high.
In addition, whether a charging station can be built or not is also related to the capacity of the upper transformer in the area, the construction of a large charging station inevitably causes a sudden increase in the power consumption in the area, and the large increase in the capacity of the lower transformer is likely to cause an increase in the capacity of the upper transformer.
In order to solve the technical problem, the utility model provides a split type charging device.
Disclosure of Invention
For overcoming the deficiencies of the prior art, the utility model provides a split type charging device.
The adopted solution for realizing the purpose is as follows:
in a split charging apparatus, the improvement comprising: the device comprises a distribution box, a cable and a charging cabinet; the distribution box is connected with the charging cabinet through a cable, and the charging cabinet is arranged beside a charging position; the cable comprises a charging cable, a communication cable and a distribution cable;
the distribution box is a cable branch box or a building distribution box in a JP cabinet or a box-type transformer substation or a residential area;
the charging cabinet comprises a controller;
the controller comprises a charging equipment state monitoring circuit and a charging branch circuit contact resistance measuring circuit, and is used for measuring the contact resistance of a charging main power supply loop, a cable connection part and a busbar connection part, so that equipment burnout caused by increased contact resistance is prevented; and the switch of the charging cabinet is switched on and off according to the real-time load of the distribution box, the state of the charging equipment, the contact resistance of the charging branch circuit and the three-phase unbalance condition of the distribution box.
Preferably, the distribution box comprises a box body and a switching device, a monitoring device, a charging load distribution circuit, a residential power distribution circuit and/or a commercial power distribution circuit and/or an industrial power distribution circuit which are integrated in the box body;
the switch device comprises a distribution box main switch, a charging load distribution circuit switch and a residential electricity distribution circuit switch and/or a commercial electricity distribution circuit switch and/or an industrial electricity distribution circuit switch which are respectively connected with the distribution box main switch, and a charging branch circuit control switch; the switch device is connected with a power line led out by the transformer, and the obtained electric energy is distributed to a charging load distribution loop and a residential electricity distribution loop and/or a commercial electricity distribution loop and/or an industrial electricity distribution loop;
the residential electricity distribution loop, the commercial electricity distribution loop and the industrial electricity distribution loop respectively supply power to residential users, commercial users and industrial users;
the charging load power distribution loop is connected with the charging cabinet through the cable to provide a power supply for charging the electric automobile.
The monitoring device is connected with a distribution box main switch, a charging load distribution loop switch, a residential power distribution loop switch and/or a commercial power distribution loop switch and/or an industrial power distribution loop switch, and measures and controls the unbalanced conditions of the main load and the three phases.
Preferably, the charging cable is used for connecting the distribution box and the L line, the N line and the PE line of the charging cabinet to supply power to the distribution box and the charging cabinet;
the distribution cable is connected with the distribution box and the controller of the charging cabinet to supply power to the distribution box and the controller of the charging cabinet;
the communication cable is used for communicating a controller in the charging cabinet with a monitoring device, a charging branch metering meter and a charging branch control switch in a distribution box and for communicating ad hoc networks among the charging cabinets.
Preferably, the charging cabinet comprises a touch screen, an LED or LCD display screen, a keyboard and an electric control lock which are connected with the controller;
the controller is connected with a charging branch meter, a charging branch control switch and a monitoring device in the distribution box.
Preferably, the distribution box comprises a charging load distribution circuit, a residential power distribution circuit and/or a commercial power distribution circuit and/or an industrial power distribution circuit, which are alternating current or direct current.
Preferably, the monitoring device is provided with a double measuring and controlling circuit for the total switch load and the shunt load of the distribution box, so that the phenomenon that the total load of the distribution box is overloaded due to the error of a single measuring and controlling circuit is avoided.
Preferably, the charging cabinet is simultaneously provided with a display screen and a touch screen, and the display screen and the touch screen respectively display the running state, the charging information or other contents required to be displayed of the charging cabinet.
Preferably, the controller comprises a measuring circuit for monitoring whether the contact resistance of the charging branch is increased or not so as to prevent the equipment from being burnt.
Preferably, the charging branch control switch is a circuit breaker, a switching switch, an ac contactor and/or a leakage protector.
Compared with the closest prior art, the utility model discloses following beneficial effect has:
the utility model discloses a split type charging device simple structure, area is little, has solved current charging device (especially fill electric pile) and resident (or commercial or industry) user transformer of sharing greatly, and misuse can cause distribution transformer to transship and the unbalanced three phase, causes equipment to damage when serious, influences the problem of power consumption. Combine current detection method, the utility model provides a charging device's distribution box still can include monitoring devices, dynamic monitoring load data, and the quantity that real-time adjustment charging cabinet put into use avoids transformer overload and unbalanced three-phase, guarantees resident or commercial or industrial power consumption and equipment safety.
Drawings
FIG. 1 is a schematic view of a split charging device according to the present embodiment;
FIG. 2 is a schematic diagram of the distribution box of the present embodiment;
fig. 3 is a schematic view of the charging cabinet of the present embodiment;
FIG. 4 is a schematic diagram of a measurement circuit according to the present embodiment;
FIG. 5 is a schematic diagram of a monitoring circuit according to the present embodiment;
fig. 6 is a schematic diagram of a control circuit in the present embodiment.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the disclosure are illustrated in the drawings, it is to be understood that the disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein, other embodiments may include structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Herein, these embodiments of the invention may be referred to, individually or collectively, by the term "utility model" merely for convenience and without intending to voluntarily limit the scope of this application to any single utility model or utility model concept if more than one is in fact disclosed.
Fig. 1 is a schematic view of a split charging device in the present embodiment; the utility model provides a split type charging device, including block terminal, cable, the cabinet that charges.
The distribution box is connected with the charging cabinet through a plurality of cables; the cabling is not limited and may be overhead lines, above ground and/or underground. The charging cabinet is arranged beside the charging position.
The distribution box can also be a cable branch box and/or a building distribution box in a JP cabinet, a box-type substation, a residential area.
Fig. 2 is a schematic view of the distribution box of the present embodiment; the distribution box comprises a box body and a switching device, a monitoring device, a charging load distribution loop, a residential electricity distribution loop and/or a commercial electricity distribution loop and/or an industrial electricity distribution loop which are integrated in the box body.
And the switching device is connected with a power line led out by the transformer, and the obtained electric energy is distributed to the residential power distribution circuit and/or the commercial power distribution circuit and/or the industrial power distribution circuit and the charging load distribution circuit.
The switch device comprises a charging box main switch, an electric load distribution circuit switch and a residential power distribution circuit main switch, a commercial power distribution circuit main switch and/or an industrial power distribution circuit main switch which are respectively connected with the charging box main switch.
The power distribution circuit for residential use and/or commercial use and/or industrial use is used for supplying power to residential users and/or commercial and/or industrial users.
And the charging load power distribution loop is connected with the charging cabinet through a cable and is used for providing a power supply for charging the electric automobile.
And the monitoring device is connected with the distribution box main switch, the charging load distribution loop switch and the residential power distribution loop switch and/or the commercial power distribution loop switch and/or the industrial power distribution loop switch.
And the monitoring device is used for measuring and controlling the total load and the three-phase unbalance condition. The monitoring device is provided with a distribution box main switch load and shunt load dual measuring circuit and a control circuit, and the phenomenon that the distribution box main load is overloaded due to the fact that a single measuring and control circuit makes mistakes is avoided.
The cable includes: charging cable, distribution cable, communication cable. Wherein,
and the charging cable is connected with the distribution box and the L line, the N line and the PE line of the charging cabinet and used for supplying power to the charging cabinet.
And the distribution cable is connected with the distribution box and the controller of the charging cabinet and used for supplying power to the controller in the charging cabinet.
And the communication cable is used for communicating the controller in the charging cabinet with the monitoring device, the metering gauge and the control switch of the charging branch in the distribution box and for communicating the ad hoc network among the charging cabinets. The charging branch refers to a loop of each charging pile.
Fig. 3 is a schematic view of the charging cabinet of the present embodiment, and the charging cabinet is further described with reference to fig. 2;
the charging cabinet comprises a touch screen, a controller, an LED or LCD display screen, a keyboard and an electric control lock. The touch screen, the LED or LCD display screen, the keyboard and the electric control lock are all connected with the controller. Wherein,
the controller is connected with the monitoring device of the distribution box, the charging branch meter and the control switch of the charging branch. The charging device comprises a monitoring circuit for the state of the charging device and a measuring circuit for the contact resistance of a charging branch circuit, and can measure the contact resistance of a charging main power supply circuit (comprising an alternating current contactor, a relay and a leakage protector), a cable connection part and a busbar connection part, so that the device can be prevented from being burnt due to the increase of the contact resistance.
And the controller is used for switching on and off the charging cabinet according to the real-time load of the distribution box, the state of the charging equipment, the contact resistance of the charging branch circuit and the three-phase unbalance condition of the distribution box.
And the LED or LCD display screen is mainly used for displaying whether the charging cabinet stops service or not, advertising contents and other contents needing to be displayed.
The touch screen is used for man-machine interaction operation and can also display the running state, charging information, advertisement content and other contents to be displayed of the charging cabinet.
And the keyboard is used for inputting account passwords, charging amount and the like.
The electric control lock can be unlocked by swiping a card.
The utility model discloses in, related measuring circuit, monitoring circuit, control circuit all give prior art. As shown in fig. 4, 5 and 6, the measuring circuit is designed according to the existing measuring method and comprises an alternating voltage input end, an alternating current sampling circuit and a CPU processing module; the alternating current sampling circuit is connected with the CPU processing module.
In fig. 4, the ac voltage input terminals include A, B two points for measuring the contact resistance of the charging main power circuit (including ac contactor, relay, leakage protector), the cable connection point and the busbar connection point. The method comprises the steps of respectively obtaining voltage values at the A position and the B position, determining the voltage difference value, and determining the resistance value by combining the current value.
The monitoring circuit is used for carrying out electronic door lock control and state monitoring of a charging pile, and provides a monitoring circuit which comprises the following components according to the existing circuit control method: the circuit comprises a state input end, an optical coupling isolation module, a CPU processing module, an optical coupling isolation and drive circuit and a relay output end which are connected in sequence.
The control circuit comprises a CPU processing module, a push-change driving circuit and a switch on/off control module which are sequentially connected, and alternating current of the power supply device is input into the switch on/off control module and is output as charging alternating current through the switch on/off control module.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present application and not for limiting the scope of protection thereof, and although the present application is described in detail with reference to the above-mentioned embodiments, those skilled in the art should understand that after reading the present application, they can make various changes, modifications or equivalents to the specific embodiments of the application, but these changes, modifications or equivalents are all within the scope of protection of the claims to be filed.
Claims (9)
1. A split type charging device is characterized in that: the device comprises a distribution box, a cable and a charging cabinet; the distribution box is connected with the charging cabinet through a cable, and the charging cabinet is arranged beside a charging position; the cable comprises a charging cable, a communication cable and a distribution cable;
the distribution box is a cable branch box or a building distribution box in a JP cabinet or a box-type transformer substation or a residential area;
the charging cabinet comprises a controller;
the controller comprises a charging equipment state monitoring circuit and a charging branch circuit contact resistance measuring circuit, and is used for measuring the contact resistance of a charging main power supply loop, a cable connection part and a busbar connection part, so that equipment burnout caused by increased contact resistance is prevented; and the switch of the charging cabinet is switched on and off according to the real-time load of the distribution box, the state of the charging equipment, the contact resistance of the charging branch circuit and the three-phase unbalance condition of the distribution box.
2. A split charging device as claimed in claim 1, wherein: the distribution box comprises a box body, and a switching device, a monitoring device, a charging load distribution loop, a residential electricity distribution loop and/or a commercial electricity distribution loop and/or an industrial electricity distribution loop which are integrated in the box body;
the switch device comprises a distribution box main switch, a charging load distribution circuit switch and a residential electricity distribution circuit switch and/or a commercial electricity distribution circuit switch and/or an industrial electricity distribution circuit switch which are respectively connected with the distribution box main switch, and a charging branch circuit control switch; the switch device is connected with a power line led out by the transformer, and the obtained electric energy is distributed to a charging load distribution loop and a residential electricity distribution loop and/or a commercial electricity distribution loop and/or an industrial electricity distribution loop;
the residential electricity distribution loop, the commercial electricity distribution loop and the industrial electricity distribution loop respectively supply power to residential users, commercial users and industrial users;
the charging load distribution loop is connected with the charging cabinet through the cable to provide a power supply for charging the electric automobile; the monitoring device is connected with a distribution box main switch, a charging load distribution loop switch, a residential power distribution loop switch and/or a commercial power distribution loop switch and/or an industrial power distribution loop switch, and measures and controls the unbalanced conditions of the main load and the three phases.
3. A split charging device as claimed in claim 1, wherein: the charging cable is connected with the distribution box and the L line, the N line and the PE line of the charging cabinet to supply power to the distribution box and the charging cabinet;
the distribution cable is connected with the distribution box and the controller of the charging cabinet to supply power to the distribution box and the controller of the charging cabinet;
the communication cable is used for communicating a controller in the charging cabinet with a monitoring device, a charging branch metering meter and a charging branch control switch in a distribution box and for communicating ad hoc networks among the charging cabinets.
4. A split charging device as claimed in claim 1 or 2, wherein: the charging cabinet comprises a touch screen, an LED or LCD display screen, a keyboard and an electric control lock which are connected with the controller;
the controller is connected with a charging branch meter, a charging branch control switch and a monitoring device in the distribution box.
5. A split charging device as claimed in claim 1 or 2, wherein: the distribution box comprises a charging load distribution circuit, a residential electricity distribution circuit and/or a commercial electricity distribution circuit and/or an industrial electricity distribution circuit which are alternating current or direct current.
6. A split charging device as claimed in claim 2, wherein: the monitoring device is provided with a double measuring and controlling circuit of the total switch load and the shunt load of the distribution box, and the phenomenon that the total load of the distribution box is overloaded due to the error of the single measuring and controlling circuit is avoided.
7. A split charging device as claimed in claim 1, wherein: the charging cabinet is provided with a display screen and a touch screen at the same time, and the display screen and the touch screen respectively display the running state, the charging information or other contents needing to be displayed of the charging cabinet.
8. A split charging device as claimed in claim 1, wherein: the controller comprises a measuring circuit, and the measuring circuit is used for monitoring whether the contact resistance of the charging branch is increased or not and preventing equipment from being burnt.
9. A split charging device as claimed in claim 2, wherein: the charging branch control switch is a circuit breaker, a switching switch, an alternating current contactor and/or a leakage protector.
Priority Applications (1)
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CN201520703940.7U CN205051370U (en) | 2015-09-11 | 2015-09-11 | Split type charging device |
Applications Claiming Priority (1)
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CN201520703940.7U CN205051370U (en) | 2015-09-11 | 2015-09-11 | Split type charging device |
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CN205051370U true CN205051370U (en) | 2016-02-24 |
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CN201520703940.7U Expired - Fee Related CN205051370U (en) | 2015-09-11 | 2015-09-11 | Split type charging device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017148182A1 (en) * | 2016-03-03 | 2017-09-08 | 北京新能源汽车股份有限公司 | Power capacity distribution system for charging stations and control method thereof |
CN107891774A (en) * | 2017-10-30 | 2018-04-10 | 珠海银隆电器有限公司 | A kind of double screen detachable automobile DC charging system and its control method |
-
2015
- 2015-09-11 CN CN201520703940.7U patent/CN205051370U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017148182A1 (en) * | 2016-03-03 | 2017-09-08 | 北京新能源汽车股份有限公司 | Power capacity distribution system for charging stations and control method thereof |
CN107891774A (en) * | 2017-10-30 | 2018-04-10 | 珠海银隆电器有限公司 | A kind of double screen detachable automobile DC charging system and its control method |
CN107891774B (en) * | 2017-10-30 | 2019-12-13 | 珠海银隆电器有限公司 | Double-screen split type automobile direct-current charging system and control method thereof |
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Granted publication date: 20160224 |