CN212667146U

CN212667146U - Contact type charging device

Info

Publication number: CN212667146U
Application number: CN202021057015.9U
Authority: CN
Inventors: 何强辉
Original assignee: Shanghai Banhui New Energy Technology Co ltd
Current assignee: Shanghai Banhui New Energy Technology Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-03-09
Anticipated expiration: 2030-06-10

Abstract

The utility model provides a contact charging device, contact charging device includes: the charging gun module is connected with a charging port of the electric automobile; the mobile module is electrically connected with the charging gun module; the fixed communication coil of the fixed module is in communication connection with the mobile communication coil of the mobile module, and the electrode plate of the fixed module is in contact connection with the copper bar of the mobile module; the control module is electrically connected with the fixing module; and the charging pile module is electrically connected with the control module. The utility model discloses a remove the flexible charging mode that combines together with fixed power supply, realized unmanned automatic intelligent charging in stereo garage to the extra space that electric pile occupied is filled in the saving.

Description

Contact type charging device

Technical Field

The utility model belongs to the technical field of electric automobile charges, a charging device is related to, especially relate to a contact charging device.

Background

The electric automobile is a vehicle which takes a vehicle-mounted power supply as power and drives wheels to run by using a motor, and meets various requirements of road traffic and safety regulations. Because the influence on the environment is smaller than that of the traditional automobile, the prospect is widely seen. Due to the rapid development of the automobile industry and the improvement of the national living standard, the holding capacity of electric automobiles of urban residents is higher and higher, and the planning of urban spaces cannot follow the rhythm, so that the parking problem is outstanding, and particularly, after the electric automobiles are parked in an intelligent stereo garage, the charging problem is more and more outstanding and needs to be solved urgently. Because electric automobile need insert the interface that charges to the rifle that charges, can't realize in unmanned parking stall, the present current situation is that charging or dividing electric automobile parking area and being equipped with the full-time personnel for electric automobile in the someone place in the first floor and charging, from this, the parking stall electric motor car charges the availability ratio not high.

Therefore, how to provide a contact charging device with a high parking space utilization rate has become a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, the utility model aims to provide a contact charging device for solve prior art and can't provide a higher contact charging device's of parking stall utilization ratio problem.

To achieve the above and other related objects, an aspect of the present invention is to provide a contact charging device, including: the charging gun module is connected with a charging port of the electric automobile; the mobile module is electrically connected with the charging gun module; the fixed communication coil of the fixed module is in communication connection with the mobile communication coil of the mobile module, and the electrode plate of the fixed module is in contact connection with the copper bar of the mobile module; the control module is electrically connected with the fixing module; and the charging pile module is electrically connected with the control module.

In an embodiment of the present invention, the mobile module includes a mobile modem unit, the mobile communication coil and a copper bar; the mobile modulation and demodulation unit is respectively connected with the mobile communication coil and the charging gun module, and the copper bar is connected with the charging gun module.

In an embodiment of the present invention, the mobile modem unit includes a mobile transmitting circuit and a mobile receiving circuit; one end of the mobile transmitting circuit is connected with a serial port transmitting pin of the charging pile module, and the other end of the mobile transmitting circuit is connected with one end of the mobile communication coil; one end of the mobile receiving circuit is connected with a serial port receiving pin of the charging pile module, and the other end of the mobile receiving circuit is connected with the other end of the mobile communication coil.

In an embodiment of the present invention, the fixing module includes a travel switch unit, a fixing modem unit, the fixing communication coil, and an electrode plate; the travel switch unit is connected with the control module; the fixed modulation and demodulation unit is respectively connected with the fixed communication coil and the control module, and the electrode plate is connected with the control module.

In an embodiment of the present invention, the fixed modem unit includes a fixed transmitting circuit and a fixed receiving circuit; one end of the fixed sending circuit is connected with a serial port sending pin of the control module, and the other end of the fixed sending circuit is connected with one end of the fixed communication coil; one end of the fixed receiving circuit is connected with a serial port receiving pin of the control module, and the other end of the fixed receiving circuit is connected with the other end of the fixed communication coil.

In an embodiment of the present invention, the travel switch unit includes a first travel switch circuit, a second travel switch circuit, a third travel switch circuit, and a fourth travel switch circuit; the first signal output end of the first travel switch circuit is connected with the first signal receiving end of the control module, the second signal output end of the second travel switch circuit is connected with the second signal receiving end of the control module, the third signal output end of the third travel switch circuit is connected with the third signal receiving end of the control module, and the fourth signal output end of the fourth travel switch circuit is connected with the fourth signal receiving end of the control module.

In an embodiment of the utility model, the rifle module that charges includes the rifle that charges, the rifle that charges with the copper bar is through the rifle cable junction that charges.

In an embodiment of the present invention, the charging pile module is connected to at least one of the control modules, and the control modules are the same as the charging gun modules, the movable modules and the fixed modules.

In an embodiment of the utility model, the mobile module sets up on the car tray in garage, fixed module sets up on the parking stall in garage.

As described above, the contact charging device of the present invention has the following advantages:

control charging pile circuit and signal through the controller circuit, allow to charge the electric pile and set up in the bottom, install controller circuit and fixed module on the parking stall of other floors through the wiring, be applicable to diversified stereo garage design demand. The travel switch is adopted to detect the butt joint condition of the movable module and the fixed module, the power system is controlled to be started when the butt joint is successful, and the power system is kept to be disconnected when the butt joint is not performed or the butt joint is not performed completely, so that the stability and the reliability of the system are ensured. Wireless high-speed signal transmission is carried out through the short-wave communication coil transmission device, and the vehicle charging condition is monitored.

Drawings

Fig. 1 is a schematic circuit diagram of a contact charging device according to an embodiment of the present invention.

Fig. 2 shows a circuit diagram of a charging gun module of the contact charging device in an embodiment of the present invention.

Fig. 3 is a circuit diagram of a mobile module of a contact charging device according to an embodiment of the present invention.

Fig. 4 is a circuit diagram of a fixed modem unit of the contact charging apparatus according to an embodiment of the present invention.

Fig. 5 is a circuit diagram of a travel switch unit of the contact charging device according to an embodiment of the present invention.

Fig. 6 is a circuit diagram of a control module of the contact charging device according to an embodiment of the present invention.

Fig. 7 is a schematic view of the contact type charging device according to the present invention in an embodiment of a stereo garage.

Fig. 8 is a schematic view illustrating a contact connection of the contact charging device according to an embodiment of the present invention.

Fig. 9 is a schematic view of a charging gun cable according to an embodiment of the present invention.

Description of the element reference numerals

1 moving module

11 mobile modem unit

12 mobile communication coil

13 copper bar

2 fixed module

21 travel switch unit

22 fixed modem unit

23 fixed communication coil

24 electrode plate

3 control module

4 charging pile module

5 Rifle module charges

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

According to the contact type charging device provided by the embodiment, the electric energy is conducted to the mobile module circuit through the fixed module circuit through the control module, so that the purpose of intelligent flexible charging is achieved; the flexible charging mode combining moving and fixed power supply is adopted, unmanned automatic intelligent charging in the stereo garage is achieved, and extra space occupied by the charging pile is saved.

Fig. 1 shows a schematic circuit structure diagram of a contact charging device according to an embodiment of the present invention. As shown in fig. 1, the contact charging device includes: remove module 1, fixed module 2, control module 3, fill electric pile module 4 and rifle module 5 that charges.

The mobile module 1 is electrically connected with the charging gun module 5.

The fixed communication coil 23 of the fixed module 2 is in communication connection with the mobile communication coil 12 of the mobile module 1, and the electrode plate 24 of the fixed module 2 is in contact connection with the copper bar 13 of the mobile module 1.

Specifically, a wireless short-wave data transmission circuit is realized through the fixed communication coil 23 and the mobile communication coil 12, so that the automobile is connected with a data signal transmission loop of the charging pile within an allowable range of 1-80mm after the tray is in place.

The control module 3 is electrically connected with the fixing module 2.

The charging pile module 4 is electrically connected with the control module 3.

The charging gun module 5 is connected with a charging port of the electric automobile.

Please refer to fig. 2, which shows a circuit diagram of a charging gun module of an embodiment of the contact type charging device of the present invention. As shown in fig. 2, the charging gun module is a charging gun controller circuit. The charge gun controller circuit comprises a main chip U1, a program programming circuit P1, a peripheral circuit and a UART1 communication port. The UART1 communication port of the charge gun controller circuit is connected to the UART1 communication port of the mobile module.

Please refer to fig. 3, which shows a circuit diagram of a mobile module of a contact charging apparatus according to an embodiment of the present invention. As shown in fig. 3, the mobile module 1 includes a mobile modem unit 11, the mobile communication coil 12 and a copper bar 13. The mobile modem unit 11 is a mobile modem circuit, and the mobile communication coil 12 is a mobile short-wave communication coil L5.

The mobile modulation and demodulation unit 11 is respectively connected with the mobile communication coil 12 and the charging gun module 5, and the copper bar 13 is connected with the charging gun module 5.

Specifically, the mobile modem circuit includes a mobile transmit circuit and a mobile receive circuit.

One end of the mobile transmitting circuit is connected with a serial port transmitting pin UART1_ TX of the charging stub module, and the other end of the mobile transmitting circuit is connected with one end of the mobile communication coil L5.

One end of the mobile receiving circuit is connected with a serial port receiving pin UART1_ RX of the charging stub module, and the other end of the mobile receiving circuit is connected with the other end of the mobile communication coil L5.

Please refer to fig. 4, which shows a circuit diagram of a fixed modem unit of a contact charging device according to an embodiment of the present invention. As shown in fig. 4, the fixed module 2 includes a travel switch unit 21, a fixed modem unit 22, the fixed communication coil 23, and an electrode plate 24. The fixed modem unit 22 is a fixed modem circuit, and the fixed communication coil 23 is a fixed short-wave communication coil L4.

The travel switch unit 21 is connected to the control module 3.

The fixed modem unit 22 is connected to the fixed communication coil 23 and the control module 3, respectively, and the electrode plate 24 is connected to the control module 3.

In particular, the fixed modem circuitry includes fixed transmit circuitry and fixed receive circuitry.

One end of the fixed transmitting circuit is connected with a serial port transmitting pin UART0_ TX of the control module, and the other end of the fixed transmitting circuit is connected with one end of the fixed communication coil L4.

One end of the fixed receiving circuit is connected with a serial port receiving pin UART0_ RX of the control module, and the other end of the fixed receiving circuit is connected with the other end of the fixed communication coil L4.

Please refer to fig. 5, which shows a circuit diagram of a travel switch unit of a contact charging device according to an embodiment of the present invention. As shown in fig. 5, the travel switch unit is a travel switch signal excitation circuit. A travel switch signal excitation circuit is adopted to detect the butt joint condition of the movable module 1 and the fixed module 2, control the power system to start when the butt joint is successful, and keep the open circuit when the butt joint is not successful or the butt joint is incomplete. The travel switch signal excitation circuit is mounted on the top of the fixed module 22 through a connector.

In particular, the travel switch unit includes a first travel switch circuit U15, a second travel switch circuit U16, a third travel switch circuit U13, and a fourth travel switch circuit U14.

The first signal output end SQ2 of the first travel switch circuit is connected to the first signal receiving end of the control module, the second signal output end SQ1 of the second travel switch circuit is connected to the second signal receiving end of the control module, the third signal output end S _ NO1 of the third travel switch circuit is connected to the third signal receiving end of the control module, and the fourth signal output end S _ NO2 of the fourth travel switch circuit is connected to the fourth signal receiving end of the control module.

The travel switch unit may be not only a travel switch circuit, but also a proximity switch circuit or other circuits capable of detecting a position or a travel.

Please refer to fig. 6, which shows a circuit diagram of a control module of a contact charging device according to an embodiment of the present invention. As shown in fig. 6, the control module is a controller circuit. The controller circuit comprises a main chip U3, a program programming circuit P2, peripheral circuits and a UART0 communication port. The UART0 communication port of the controller circuit is connected to the UART0 communication port of the fixed module.

The controller controls the charging pile to start working only under the condition that the power supply loop and the data transmission loop are connected. After the tray leaves the back travel switch signal excitation circuit and the wireless shortwave data transmission circuit automated inspection leaves the back, the charging of electric pile can be filled in the disconnection to the controller.

Please refer to fig. 7, which is a schematic view illustrating an application of a stereo garage according to an embodiment of the present invention. As shown in fig. 7, the mobile module 1 is arranged on a car tray of a garage, and the fixed module 2 is arranged on a parking space of the garage.

Fill electric pile module 4 with at least one control module 3 is connected, control module 3 with the removal module 1, fixed module 2, the rifle module 5 that charges the figure the same.

Specifically, use the controller to control the power line and the data signal who fill electric pile, can will fill electric pile and connect the controller in each floor parking stall and control, perhaps concentrate and set up in the bottom, control through the controller again on wiring to each parking stall. The controller that corresponds with every parking stall promptly can set up near the parking stall, also can concentrate and set up near the electric pile that fills of bottom, through walking the fixed module of line with each signal of telecommunication transmission to each parking stall.

Please refer to fig. 8, which is a schematic diagram illustrating a contact connection of a contact charging device according to an embodiment of the present invention. As shown in fig. 8, the electrode plate 24 is electrically connected with the copper bar 13 under the condition of flexible contact, and the mobile short-wave communication coil 12 is coupled with the fixed short-wave communication coil 23 in a magnetic field in a short-distance range.

The rifle module that charges includes the rifle that charges, the rifle that charges with the copper bar is through the rifle cable junction that charges. The connecting point of the copper bar and the electrode plate is correspondingly as follows: an alternating current or direct current power line L, a neutral line N and a protective grounding line PE.

Please refer to fig. 9, which shows a schematic view of a charging gun cable according to an embodiment of the present invention. As shown in fig. 9, a pin definition of a vehicle power plug is shown. Where L denotes an ac or dc power supply line, N denotes a neutral line, CP denotes a communication control confirmation line, CC denotes a charging connection confirmation line, and PE denotes a protection ground line. NC1 and NC2 are spare lines, which can be used as low-voltage auxiliary lines and are also connected to the controller 3.

The controller 3 and the charging pile 4 are electrically connected with the charging pile 4 through the charging pile 4 to derive electric signals of an alternating current or direct current power line L, a neutral line N, a communication control confirmation line CP, a charging connection confirmation line CC and a protection grounding line PE to the controller 3. The controller 3 can be remotely arranged on different floors according to the length of the lead. The circuit signals of the fixed module 2 are derived from the controller 3, wherein the alternating current or direct current power line L, the neutral line N and the protective grounding line PE are derived to the electrode plate of the fixed module 22, and then the electric signals of the alternating current or direct current power line L, the neutral line N and the protective grounding line PE are transmitted to the copper bar in the movable module 1 through flexible contact, and the copper bar transmits the three electric signals to the charging gun 5. The communication control confirmation line CP is connected to the fixed modem 16, transmitted to the mobile modem 11 through the communication coil, and transmitted to the charging gun 25 by the mobile modem 11; the charging connection confirmation line CC is connected to the controller 3 by a stroke switch unit.

In a specific application of this embodiment, the working process of the contact charging device is as follows: when the electrode plate 24 and the copper bar 13 reach the corresponding positions and the contact is good, the travel switch excites the pulse signal, the pulse signal is transmitted to the controller 3 through the fixing module 2, and after the controller 3 receives the signal, the charging connection is confirmed to connect a charging circuit to charge a parked vehicle. Meanwhile, the communication line collects vehicle condition information through short-wave wireless transmission. The vehicle condition information includes vehicle charging conditions, vehicle energy consumption information, or other vehicle derivable information.

To sum up, the utility model provides a contact charging device controls filling electric pile circuit and signal through the controller circuit, allows to fill electric pile and sets up in the bottom, installs controller circuit and fixed module on the parking stall of other floors through the wiring, is applicable to diversified stereo garage design demand. The travel switch is adopted to detect the butt joint condition of the movable module and the fixed module, the power system is controlled to be started when the butt joint is successful, and the power system is kept to be disconnected when the butt joint is not performed or the butt joint is not performed completely, so that the stability and the reliability of the system are ensured. Wireless high-speed signal transmission is carried out through the short-wave communication coil transmission device, and the vehicle charging condition is monitored. Effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A contact charging device, comprising:

the charging gun module is connected with a charging port of the electric automobile;

the mobile module is electrically connected with the charging gun module;

the fixed communication coil of the fixed module is in communication connection with the mobile communication coil of the mobile module, and the electrode plate of the fixed module is in contact connection with the copper bar of the mobile module;

the control module is electrically connected with the fixing module;

and the charging pile module is electrically connected with the control module.

2. A contact charging device according to claim 1, wherein:

the mobile module comprises a mobile modulation and demodulation unit, the mobile communication coil and a copper bar;

the mobile modulation and demodulation unit is respectively connected with the mobile communication coil and the charging gun module, and the copper bar is connected with the charging gun module.

3. A contact charging device according to claim 2, wherein:

the mobile modulation and demodulation unit comprises a mobile transmitting circuit and a mobile receiving circuit;

one end of the mobile transmitting circuit is connected with a serial port transmitting pin of the charging pile module, and the other end of the mobile transmitting circuit is connected with one end of the mobile communication coil;

one end of the mobile receiving circuit is connected with a serial port receiving pin of the charging pile module, and the other end of the mobile receiving circuit is connected with the other end of the mobile communication coil.

4. A contact charging device according to claim 1, wherein:

the fixed module comprises a travel switch unit, a fixed modulation and demodulation unit, the fixed communication coil and an electrode plate;

the travel switch unit is connected with the control module;

the fixed modulation and demodulation unit is respectively connected with the fixed communication coil and the control module, and the electrode plate is connected with the control module.

5. A contact charging device according to claim 4, wherein:

the fixed modulation and demodulation unit comprises a fixed transmitting circuit and a fixed receiving circuit;

one end of the fixed sending circuit is connected with a serial port sending pin of the control module, and the other end of the fixed sending circuit is connected with one end of the fixed communication coil;

one end of the fixed receiving circuit is connected with a serial port receiving pin of the control module, and the other end of the fixed receiving circuit is connected with the other end of the fixed communication coil.

6. A contact charging device according to claim 4, wherein:

the travel switch unit comprises a first travel switch circuit, a second travel switch circuit, a third travel switch circuit and a fourth travel switch circuit;

the first signal output end of the first travel switch circuit is connected with the first signal receiving end of the control module, the second signal output end of the second travel switch circuit is connected with the second signal receiving end of the control module, the third signal output end of the third travel switch circuit is connected with the third signal receiving end of the control module, and the fourth signal output end of the fourth travel switch circuit is connected with the fourth signal receiving end of the control module.

7. A contact charging device according to claim 1, wherein:

the rifle module that charges includes the rifle that charges, the rifle that charges with the copper bar is through the rifle cable junction that charges.

8. A contact charging device according to claim 1, wherein:

the charging pile module is connected with at least one control module, and the control modules are the same as the charging gun modules, the movable modules and the fixed modules in number.

9. A contact charging device according to claim 1, wherein:

the mobile module is arranged on an automobile tray of the garage, and the fixed module is arranged on a parking space of the garage.