TWI783336B - Charging detection system for mechanical parking - Google Patents

Abstract

The present invention is a charging detection system for mechanical parking. A charging connection and detection control unit in the charging detection system can be confirm whether a charging gun is properly linked on the electric vehicle when an electric vehicle is parked on the vehicle platform. In this way, a user can confirm whether the charging interface is properly linked when the vehicle platform of the mechanical parking system does not receive power from a fixed field. In addition, in the present invention, charging interfaces are provided on the both sides of the vehicle platform and is modularized, which will facilitate maintenance and reduce costs. The present invention utilizes the charging detection mechanism to achieve the detection of link between the charging gun and the electric vehicle, so the existing problem that whether link is actually connected can be solved.

Description

Mechanical parking charging detection system

The invention relates to the technology of electric vehicle charging detection, especially a mechanical parking charging detection system.

In the field of the current parking lot, charging equipment is normally installed as the power supply for electric vehicles. After the electric vehicle is parked, the user plugs the charging interface of the charging equipment into the electric vehicle for charging, and the user can immediately confirm whether the charging interface is There is a charging receiver that is actually connected to the electric vehicle side, and it is confirmed whether it is correctly entered into the charging mode. However, the above-mentioned situation is limited to the general level parking lot. For the mechanical parking system, the vehicle platform of the passenger vehicle is movable and will be moved and adjusted due to dispatching requirements, so there is usually no power supply on the vehicle platform. After the vehicle platform moves to a fixed point (a certain floor or a certain mechanical compartment), the charging can only be started through the power connection between the vehicle platform and the equipment next to the field.

However, when the mechanical parking system introduces electric vehicle charging equipment, the above method may cause charging problems. In short, when the electric vehicle is parked on the vehicle platform and the user connects the charging interface of the charging equipment to the electric vehicle, based on the The location where the vehicle is parked usually has no power supply, and it is not connected to the field power before the vehicle is moved to the parking place, which makes it impossible for the user to confirm the charging immediately. Whether the operation of the dielectric interface is correct, that is, whether it is correctly connected to the charging receiving end of the electric vehicle. After the user leaves, the vehicle moves to the positioning (parking location) with the vehicle platform, and the charging equipment is ready to charge. At this time, it may Due to poor joints, charging was not possible, and the end user came back to find that the vehicle was not properly charged; in addition, when the electric vehicle drove into the vehicle platform, it was impossible to ensure that the front end or the rear end of the vehicle entered the vehicle platform first, and different Vehicle manufacturers also have different positions for the charging interface of their electric vehicles. Therefore, if a mechanical parking space is to introduce electric vehicle charging equipment, it is necessary to configure charging equipment at both the front and rear ends of the platform, which will increase the construction cost.

In view of this, how to provide an electric vehicle charging detection technology, especially in the context of a mechanical parking system, so that the user can confirm whether the charging cable is connected correctly at the first time, and then lower the vehicle platform and move it to the position. It is found that the situation of being unable to charge occurs, and it is possible to provide multiple charging device mechanisms for different charging needs of electric vehicles, which will become the goal that people in the technical field are striving to pursue.

In order to solve the above-mentioned problems in the prior art, the present invention proposes a charging detection mechanism for electric vehicles, especially a mechanical parking system. When the charging gun on the vehicle platform is inserted into the electric vehicle, it can be known whether the charging gun is inserted correctly. And it is firmly connected, so as to avoid the situation that the vehicle cannot be charged due to the insertion of the charging gun after the vehicle platform is moved to the location and connected to the field power.

The present invention proposes a mechanical parking charging detection system, which is set on the vehicle platform, and includes: a charging connection and detection control unit, which has a sensing circuit, and the sensing circuit is used to sense the vehicle platform Whether the electric vehicle charging connection interface above is connected to the vehicle end coupler of the electric vehicle is used to determine the connection status between the electric vehicle charging connection interface and the vehicle end coupler, so that The charging connection and detection control unit generates an engagement judgment result according to the connection state; and the power storage and supply unit is used to provide power for the charging connection and detection control unit.

In one embodiment, the vehicle platform further includes a power receiving interface for connecting with the power transmission interface of the field power supply end, so as to perform power transmission between the power receiving interface and the power transmission interface.

In the above embodiments, the power receiving interface and the power transmission interface are non-contact wireless power transmission.

In one embodiment, the mechanical parking charging detection system further includes a power conversion unit located between the power receiving interface and the power storage and supply unit, for converting the power of the field power supply end into the power Store and supply the electrical energy required by the unit.

In one embodiment, when the power transmission interface is connected to the power receiving interface, the power of the field power supply end is used for power storage by the power storage and supply unit.

In one embodiment, the electric vehicle charging connection interface and the charging connection and detection control unit are independently modularized.

In one embodiment, a charging state display unit connected to the charging connection and detection control unit is provided on the vehicle platform for producing corresponding information according to the connection judgment result of the charging connection and detection control unit.

In the above embodiments, the corresponding message is a light display or a sound notification.

In one embodiment, the vehicle carrier is provided with multiple sets of electric vehicle charging connection interfaces and is respectively connected to the charging connection and detection control unit, so that the charging connection and detection control unit performs charging detection.

In summary, the present invention is a mechanical parking charging detection system. By setting a charging connection and detection control unit and a power storage and supply unit on the vehicle platform of the mechanical parking lot, the power storage and supply unit provides the charging connection. It can detect the power required by the control unit and other units, and can store power when it is connected to the field power, so that after the electric vehicle is parked on the vehicle platform and connected to the charging connection interface, the charging connection interface can be provided Plug-in detection to ensure that when the vehicle platform is subsequently moved to the location, it will not fail to charge due to interface connection problems. If the charging connection and detection control unit judges that there is a problem with the connection, it can also remind the user through sound or light. In addition, the present invention can set multiple sets of electric vehicle charging connection interfaces (such as charging guns) on the vehicle platform, so as to overcome the charging detection of different models or different parking methods of vehicles. Furthermore, the present invention combines each unit module Organization, so that it can facilitate maintenance, but also can effectively reduce costs.

1: Mechanical parking charging detection system

11: Charging connection and detection control unit

111: sensing circuit

12: Power storage and supply unit

13: Power conversion unit

2: Vehicle platform

21, 21’: Electric vehicle charging connection interface

22: Power receiving interface

23, 23': Charging status display unit

31: Power transmission interface

32: field power supply end

33: Electric vehicle charging control device

FIG. 1 is a system architecture diagram of the mechanical parking charging detection system of the present invention.

FIG. 2 is a system architecture diagram of an application embodiment of the mechanical parking charging detection system of the present invention.

FIG. 3 is a schematic diagram of the vehicle carrier and field end of the mechanical parking charging detection system of the present invention.

FIG. 4 is a system architecture diagram of another application embodiment of the mechanical parking charging detection system of the present invention.

FIG. 5 is a structural diagram of the application of the mechanical parking charging detection system of the present invention on a vehicle platform.

6A and 6B are schematic diagrams of different numbers of charging interfaces of the mechanical parking charging detection system of the present invention.

7 is a schematic diagram of the wireless charging interface of the mechanical parking charging detection system of the present invention.

The following describes the technical content of the present invention through specific embodiments, and those skilled in the art can easily understand the advantages and effects of the present invention from the content disclosed in this specification. However, the present invention can also be implemented or applied in other different specific implementation forms.

Charging can be carried out when the existing electric vehicle is parked in the mechanical parking space, but the charging process is only started after the vehicle platform is moved to the location and connected to the power supply end of the field, which causes the user to park and plug in the charging cable. Confirm whether the charging gun is inserted correctly at the moment. If the vehicle carrier moves to the position and finds that the gun is inserted in the wrong state, it is difficult to remedy. Therefore, the present invention proposes that the vehicle carrier can detect the insertion result of the charging gun in real time, hoping to give users better use experience.

FIG. 1 is a system architecture diagram of the mechanical parking charging detection system of the present invention. As shown in the figure, the mechanical parking charging detection system 1 proposed by the present invention is installed on the vehicle platform or in the charging device on the vehicle platform, and can be used to judge whether the charging gun is connected correctly when inserted. The parking charging detection system 1 includes a charging connection and detection control unit 11 and a power storage and supply unit 12 .

The charging connection and detection control unit 11 has a sensing circuit 111. The sensing circuit 111 is used to sense whether the charging connection interface on the vehicle platform is correctly connected to the vehicle end coupler of the electric vehicle, so as to judge the electric vehicle accordingly. The connection state between the charging connection interface and the vehicle coupler is used for the charging connection and detection control unit 11 to generate a connection judgment result according to the connection state. In one embodiment, The electric vehicle charging connection interface can be a charging gun with a line, or a charging base and a connecting line with charging guns at both ends. In short, the electric vehicle charging connection for charging is provided on the vehicle platform or on the charging device Interface, the electric vehicle charging connection interface can be a charging device with a charging gun, or a simple charging base, but the charging base and the electric vehicle must be connected to the charging base and the electric vehicle with a cable with two ends as the charging gun when charging.

The power storage and supply unit 12 is used to provide power for the charging connection and detection control unit 11, that is, the mechanical parking charging detection system 1 installed on the vehicle platform provides operating power through the power storage and supply unit 12, for example When the electric vehicle charging connection interface is connected to the vehicle, the sensing circuit 111 will detect whether the internal power from the mechanical parking charging detection system 1 can be sent to the vehicle end coupler, and then determine whether the electric vehicle charging connection interface (such as a charging gun) ) connection is correct, for the charging connection and detection control unit 11 to obtain the connection status of the two.

Different from the traditional way that the vehicle platform needs to be moved to the position to have power supply and charging, the present invention allows the vehicle platform to have power through the setting of the power storage and supply unit 12. In addition to supplying the operating power of the relevant units, it can also As the joint sensing between the electric vehicle charging connection interface and the vehicle end coupler, it can solve the problems of the prior art.

FIG. 2 is a system architecture diagram of an application embodiment of the mechanical parking charging detection system of the present invention. As shown in the figure, the mechanical parking charging detection system 1 includes a charging connection and detection control unit 11 and a power storage and supply unit 12. The connecting interface 21 (such as a charging gun with a line, or a charging base and a connecting line with charging guns at both ends) is connected to the vehicle coupler. In addition, the charging connection and the detection control unit 11 are installed on the vehicle. The power receiving interface 22 on the platform is connected with the power transmission interface of the field power supply end to perform power transmission between the power receiving interface 22 and the power transmission interface of the field power supply end.

In this embodiment, when the power transmission interface of the field power supply end is connected to the power receiving interface 22, the power of the field power supply end is provided to the power storage and supply unit 12 for power storage, that is, in the electric vehicle During the charging process, the power stored in the power storage and supply unit 12 can also be supplemented.

In another embodiment, a charging status display unit 23 connected to the charging connection and detection control unit 11 is provided on the vehicle platform, and the charging status display unit 23 is used for charging according to the charging connection and detection control unit 11. The result of the joint judgment is to produce a corresponding message. The purpose of the above-mentioned corresponding message is to let the user know the current joint state. The corresponding message can be displayed by lights, such as red light and green light to indicate the joint state, or, the The corresponding message can be an audible notification, for example, a warning tone or sound effect is used to indicate the engagement status.

FIG. 3 is a schematic diagram of the vehicle carrier and field end of the mechanical parking charging detection system of the present invention. This embodiment illustrates the operation of the mechanical parking charging detection system 1 through the positional relationship between the vehicle platform 2 and the field end. As shown in the figure, the vehicle platform 2 includes the mechanical parking charging detection system 1, electric vehicle charging The connection interface 21 , the power receiving interface 22 and the charging state display unit 23 .

As mentioned above, the electric vehicle charging connection interface 21 is used to connect with the vehicle-side coupler on the vehicle side. The connection status of the two will be sensed by the mechanical parking charging detection system 1 and the result will be displayed on the charging status display unit 23. After the electric vehicle is parked and the charging cable is plugged in, the user can know whether the charging cable is connected correctly.

In addition, for general vehicles, there is no obvious difference when the front of the vehicle enters first or the rear of the vehicle first enters the vehicle platform 2 when parking, but for electric vehicles, the charging hole may only be set at a certain place of the vehicle, so if the direction of parking Mistakes may also lead to failure to charge smoothly (for example, the line of the charging gun is not long enough), so the present invention proposes to set at least two sets of electric vehicle charging connection interfaces on the vehicle platform 2, such as vehicle-mounted One side of the platform 2 is provided with an electric vehicle charging connection interface 21 and a charging state display unit 23, and the other side of the vehicle platform 2 is provided with an electric vehicle charging connection interface 21' and a charging state display unit 23', wherein the electric vehicle charging connection interface 21 and 21' and charging status display units 23 and 23' are connected to the mechanical parking charging detection system 1, so no matter which interface is connected, the mechanical parking charging detection system 1 can perform detection and status display.

The purpose of the power receiving interface 22 of the vehicle platform 2 is to receive power from the field end. The field end can be provided with a power transmission interface 31 to connect with the power receiving interface 22. In other words, each of the field ends can be used to charge electric vehicles. The fixed point of the mechanical parking space has a power transmission interface 31. When the vehicle platform 2 moves to the fixed point, the vehicle platform 2 can be connected with the power transmission interface 31 through the power receiving interface 22 to obtain the power of the field power supply terminal 32. , and the power transmission interface 31 at each mechanical parking space is connected to the field power supply end 32, in other words, the required power for each power transmission interface 31 is provided by the field power supply end 32, and the power of each power transmission interface 31 If required, it can be configured through the electric vehicle charging control device 33 at the field end.

FIG. 4 is a system architecture diagram of another application embodiment of the mechanical parking charging detection system of the present invention. The mechanical parking charging detection system 1 shown in the figure includes a charging connection and detection control unit 11 and a power storage and supply unit 12. The charging connection and detection control unit 11 is respectively connected to the electric vehicle charging connection interface 21 and the power receiving interface. 22. The functions of the above-mentioned components are the same as those described in FIG. 2 , and will not be repeated here. In this embodiment, the mechanical parking charging detection system 1 further includes a power receiving interface 22 and a power storage and supply unit 12. power conversion unit 13 .

The power conversion unit 13 is used to convert the power at the field power supply end into the power required by the power storage and supply unit 12 . In short, the power storage and supply unit 12 can be a battery, usually only The electric energy is stored or transmitted in the form of direct current. If the field power supply end provides alternating current, it must be converted into direct current through the power conversion unit 13 for the power storage and supply unit 12 to store.

In another embodiment, the work of power conversion can also be set at the field side, that is, it has been converted into direct current before entering the power receiving interface 22, so that it is not necessary to build a power conversion unit 13 in each vehicle platform , that is, the field side first converts it into direct current, and then sends it to the vehicle platform, which is also conducive to the charging of electric vehicles and the simplification of the structure of the vehicle platform.

FIG. 5 is a structural diagram of the application of the mechanical parking charging detection system of the present invention on a vehicle platform. This embodiment illustrates the design of the present invention through a schematic diagram. As shown in the figure, the vehicle platform 2 is in the middle, and a mechanical parking charging detection system 1 can be installed on one side of the vehicle platform 2, and different ends of the vehicle platform 2 can be installed separately. Electric vehicle charging connection interfaces 21 and 21', so that charging can be carried out in different parking directions of the vehicle, and charging status display units 23 and 23' can be set next to the electric vehicle charging connection interfaces 21 and 21' to display the corresponding The state of connection between the electric vehicle charging connection interfaces 21 and 21' and the electric vehicle.

In addition, one or both sides of the vehicle platform 2 can be provided with a power receiving interface 22, which corresponds to each power transmission interface 31 of the field end, that is, when the two are connected, power transmission can be performed, and each The power transmission interface 31 is configured by the connected electric vehicle charging control device 33, such as configuring the amount of power to be supplied to each parking space (i.e., the vehicle platform), or when a large amount of power is required at the field end, Reduce or adjust the power supply of one or more vehicle platforms.

In addition, in the present invention, the mechanical parking charging detection system 1 and the electric vehicle charging connection interface 21 can be independently modularized. In short, the electric vehicle charging connection interface 21 and the mechanical parking charging detection system 1 Each unit can be modularized separately, which has the advantage of facilitating maintenance and lower replacement cost when damaged.

To sum up, the present invention has a mechanical parking charging detection system 1 on the vehicle platform, which includes a power storage and supply unit, which can provide mechanical parking charging detection when the vehicle platform does not receive power from the field The power required by system 1 to connect the electric vehicle with the charging connection interface on the vehicle platform Then, when the vehicle platform moves to a fixed position and connects with the power supply terminal of the field, the power storage and supply unit can receive the electric power of the field for power supplementation. In addition, the present invention modularizes the charging interface and various components, and the front and rear ends of the vehicle platform can be equipped with independent charging interfaces, and integrated into the mechanical parking charging detection system 1. In this way, when the electric vehicle uses any charging interface When charging, the detection and power supply can be performed by the mechanical parking charging detection system 1 through the internal power and signal connection.

6A and 6B are schematic diagrams of different numbers of charging interfaces of the present invention. As shown in Figure 5 above, the connection between the power receiving interface 22 and the power transmission interface 31 can transmit the power from the field end to the vehicle platform 2, and the power receiving interface 22 and the power transmission interface 31 can be connected by contact , through the design of brush plate and brush block (such as carbon brush), more specifically, one end can be a copper sheet, and the other end can be an elastic bump. After the two are in contact, the elastic bump can shrink appropriately to achieve the effect of contact between the two .

As shown in FIG. 6A , it is a schematic diagram of a single set of power receiving interface 22 , where three contacts L, N, and G represent live wires, neutral wires, and ground wires, respectively. In addition, as shown in FIG. 6B, it is a schematic diagram of two sets of power receiving interfaces 22, wherein the two on the left are used to transmit signals respectively, that is, signal 1 and signal 2, the middle contact is the ground wire (G), and the two on the right Then it is the power lines of the two power receiving interfaces respectively.

FIG. 7 is a schematic diagram of the wireless charging interface of the present invention. The power receiving interface 22 and the power transmission interface 31 shown in FIG. 5, in addition to the contact connection described in FIG. 6, can also be realized through a non-contact wireless power transmission method, as shown in FIG. 7, wherein The power receiving interface 22 and the power transmission interface 31 may be provided with corresponding wireless charging transmission coils.

It should be noted that the system, module, unit, etc. described in the present invention can be composed of software, firmware or hardware components, and can also be completed through a physical circuit structure, such as power receiving interface, power transmission interface, electric vehicle charging connection The interface and the like are all physical components, the sensing circuit is a physical circuit structure, and other units or modules can be completed by a combination of software and hardware, but not limited thereto, and the relevant circuits or mechanism components are not described here.

To sum up, the present invention is a mechanical parking charging detection system, which mainly provides the electric vehicle to confirm whether the charging connection interface of the electric vehicle is connected correctly after the electric vehicle is parked on the vehicle platform. Before receiving power from a fixed field, the user can still confirm whether the charging interface is correctly combined, or even conduct a charging test. Furthermore, charging interfaces can be installed on both sides of the vehicle platform, no matter how the vehicle enters the mechanical vehicle platform , or different electric vehicles have different charging interface positions, users can easily perform charging operations in a short distance, and only one set of electric vehicle charging control device can be used to control the charging of two or more sets of charging interfaces. It can also reduce the installation cost, and the modular design of each unit can facilitate the replacement of the module when the charging interface is worn out, and can also reduce the maintenance cost.

The above-mentioned embodiments are for illustrative purposes only, and are not intended to limit the present invention. Anyone skilled in the art can make modifications and changes to the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention is defined by the scope of patent application attached to the present invention, as long as it does not affect the effect and implementation purpose of the present invention, it should be included in this disclosed technical content.

1: Mechanical parking charging detection system

11: Charging connection and detection control unit

111: sensing circuit

12: Power storage and supply unit

Claims (10)

A mechanical parking charging detection system is set on the vehicle platform, which includes: a charging connection and detection control unit, which has a sensing circuit, and the sensing circuit is used to sense the electric motor on the vehicle platform. Whether the vehicle charging connection interface is connected to the vehicle end coupler of the electric vehicle is used to determine the connection status between the electric vehicle charging connection interface and the vehicle end coupler, so that the charging connection and detection control unit can rely on the connection and the power storage and supply unit is used to provide the power of the charging connection and detection control unit, so as to provide the power to the charging connection and the charging position before the vehicle platform moves to the charging position. The detection control unit judges the connection state. The mechanical parking charging detection system as described in claim 1, wherein, the vehicle platform further includes a power receiving interface, which is used to connect with the power transmission interface of the field power supply end, so as to implement the power receiving interface and the power Power transmission between transmission interfaces. The mechanical parking charging detection system according to claim 2, wherein the power receiving interface and the power transmission interface are non-contact wireless power transmission. The mechanical parking charging detection system as described in claim 2 further includes a power conversion unit located between the power receiving interface and the power storage and supply unit, for converting the power of the field power supply end into the Electric energy required by the power storage and supply unit. The mechanical parking charging detection system as described in claim 2, wherein when the power transmission interface is connected to the power receiving interface, the power of the field power supply end is used for power storage by the power storage and supply unit. The mechanical parking charging detection system as described in claim 1, wherein the electric vehicle charging connection interface and the charging connection and detection control unit are independently modularized. The mechanical parking charging detection system as described in Claim 1, wherein a charging status display unit connected to the charging connection and detection control unit is provided on the vehicle platform for controlling according to the charging connection and detection The result of the joint judgment of the unit outputs a corresponding message. The mechanical parking charging detection system as described in Claim 7, wherein the corresponding information is displayed as a light signal. The mechanical parking charging detection system as described in Claim 7, wherein the corresponding message is an audio notification. The mechanical parking charging detection system as described in claim 1, wherein the vehicle platform is provided with multiple sets of electric vehicle charging connection interfaces and connected to the charging connection and detection control unit respectively, so that the charging connection and detection The control unit performs charging detection.

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