CN217824344U - Device for wireless charging with expected charging function - Google Patents

Abstract

The utility model discloses a device that is used for wireless anticipated function of charging who charges, including the casing, be fixed with the pre-charging device on the casing, the pre-charging device includes the PCB board, and one side welding has the terminal on the PCB board, through fixed relay, pre-charging resistance and connector respectively on the PCB board. The utility model discloses a pre-charging resistance releases unnecessary electric energy, can prevent that the electric automobile is unexpected to be charged, when reducing the vehicle receiving terminal and charging, and battery voltage is to the voltage impact of vehicle receiving terminal.

Description

Device for wireless charging with expected charging function

Technical Field

The utility model relates to a wireless technical field that charges specifically is a device that is used for wireless anticipated function of charging that charges.

Background

In a high-power wireless charging system of a new energy automobile, the prevention of spontaneous combustion caused by overcharging of a battery is of great importance, and at present, because the wireless charging system does not have a pre-charging function, the spontaneous combustion caused by overcharging of a battery pack of an electric automobile is easily caused, so that the application of high-power wireless charging of the electric automobile is hindered.

The key technology of wireless charging is to actually charge the battery pack through electromagnetic conversion, but without the pre-charging function, the battery pack is easily overcharged and self-ignition occurs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device that is used for wireless anticipated function of charging to solve the problem that does not have the preliminary filling function.

In order to achieve the above object, the utility model provides a following technical scheme: the device for the expected charging function of wireless charging comprises a shell, wherein a pre-charging device is fixed on the shell and comprises a PCB, a terminal is welded on one side of the PCB, and a relay, a pre-charging resistor and a connector are respectively fixed on the PCB through screws.

Preferably, mounting holes are formed in two sides of the PCB and are fixed with the shell through screws.

Preferably, the connector is a low-voltage connector, and the connector functions very simply: a bridge for communication is erected between the blocked part or isolated and non-communicated circuits in the circuit, so that current flows, and the circuit achieves the preset function. Connectors are indispensable components in electronic devices, and one or more connectors are always found by observing a current flowing path. The connector forms and structures are widely varied, and there are various types of connectors depending on the application, frequency, power, application environment, and the like.

Preferably, the relay, the pre-charging resistor and the connector are connected in a circuit through a PCB, and the pre-charging resistor is an effective protective capacitor, an insurance and a direct current contactor; the direct power-on instant is prevented, the charging current is possibly too large, the capacitor is possibly damaged due to the fact that the instantaneous current is too large, and switching devices such as a direct current contactor can be damaged.

Preferably, the relay is electrically connected to the battery pack and the vehicle receiving end, and is an electronic control device, which has a control system (also called an input loop) and a controlled system (also called an output loop), and is usually applied to an automatic control circuit, and actually is an "automatic switch" which uses a small current to control a large current.

Preferably, the connector is operated by input from a control unit to control and record data.

Preferably, the control part device is a processor, the model of the processor is AMD series, and the screening transmission can be carried out on the request operation of the data input.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a pre-charging resistor releases unnecessary electric energy, can prevent that the electric automobile from unexpected charging.

2. The utility model discloses when can reduce the vehicle receiving terminal and charge, battery voltage is to the voltage impact of vehicle receiving terminal.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the pre-charging device of the present invention;

fig. 3 is a schematic diagram of the pre-charging process of the present invention.

In the figure: 1. a housing; 2. a pre-charging device; 21. a PCB board; 22. a terminal; 23. a relay; 24. pre-charging a resistor; 25. a connector; 3. and (7) mounting holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example I

Referring to fig. 1, 2 and 3, a device for wireless charging with a desired charging function includes a housing 1, a pre-charging device 2 fixed on the housing 1, the pre-charging device 2 including a PCB 21, a terminal 22 welded on one side of the PCB 21, a relay 23 fixed on the PCB 21, a pre-charging resistor 24 fixed on the PCB, and a connector 25 fixed on the PCB by screws.

Referring to fig. 1, 2 and 3, mounting holes 3 are formed at both sides of the pcb 21, and the mounting holes 3 are fixed to the housing 1 by screws.

This embodiment is used: the terminal 22 is a connection terminal, which is simply an accessory product for realizing electrical connection, and is industrially classified into the category of connectors, and the usage of the connection terminal gradually increases as the industrial automation degree becomes higher and the industrial control requirement becomes stricter and more precise. With the development of the electronic industry, the use range and the types of the wiring terminals are more and more, and the most widely used wiring terminals include a PCB (printed circuit board) terminal, a hardware terminal, a nut terminal, a spring terminal and other embodiments II

Referring to fig. 1, 2 and 3, the present embodiment further illustrates another embodiment of a device for wireless charging with a desired charging function, which includes a housing 1, a pre-charging device 2 fixed on the housing 1, the pre-charging device 2 including a PCB 21, a terminal 22 welded to one side of the PCB 21, and a relay 23, a pre-charging resistor 24 and a connector 25 fixed to the PCB 21 by screws.

Referring to fig. 1, 2 and 3, mounting holes 3 are formed at both sides of the pcb 21, and the mounting holes 3 are fixed to the housing 1 by screws.

Referring to fig. 1, 2 and 3, the connector 25 is a low voltage connector, and the function of the connector is very simple: a bridge for communication is erected between the blocked parts or isolated and non-communicated circuits in the circuit, so that current flows, and the circuit achieves a preset function. Connectors are indispensable components in electronic devices, and one or more connectors are always found by observing a current flowing path. The connector forms and structures are varied, and there are various different forms of connectors depending on the application, frequency, power, application environment, and the like.

Referring to fig. 1, 2 and 3, the relay 23, the pre-charging resistor 24 and the connector 25 are electrically connected through the PCB 21, and the pre-charging resistor 24 is an effective protection capacitor, a fuse, and a dc contactor; the direct power-on instant charging current is prevented from being possibly too large, the capacitor is possibly damaged due to the fact that the instant current is too large, and switching devices such as a direct current contactor can be damaged.

Referring to fig. 1, 2 and 3, the relay 23 is electrically connected to the battery pack and the vehicle receiving end, and is an electronic control device, which has a control system (also called an input loop) and a controlled system (also called an output loop), and is usually applied to an automatic control circuit, and it is actually an "automatic switch" that uses a small current to control a large current.

Referring to fig. 1, 2 and 3, the connector 25 can control and record data by controlling the input operation of the partial device.

Referring to fig. 1, 2 and 3, the control device is a processor, and the model of the processor is AMD series, and the processor can perform screening transmission on the request operation of data input.

In use, the present embodiment: when the battery pack sends a charging stop requirement, the control part sends a signal to the relay 23 through the connector 25, the relay 23 is disconnected, and redundant electricity sent by the receiving end of the high-voltage connector is released through the pre-charging resistor 24, so that the battery pack is effectively protected from spontaneous combustion due to over-charging.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. An arrangement for an intended charging function for wireless charging, comprising a housing (1), characterized in that: be fixed with on casing (1) pre-charging device (2), pre-charging device (2) include PCB board (21), one side welding has terminal (22) on PCB board (21), fix relay (23), pre-charging resistance (24) and connector (25) respectively through the screw on PCB board (21).

2. An arrangement for an intended charging function for wireless charging according to claim 1, characterized in that: the PCB is characterized in that mounting holes (3) are formed in two sides of the PCB (21), and the mounting holes (3) are fixed with the shell (1) through screws.

3. An apparatus for an intended charging function of a wireless charging according to claim 1, characterized in that: the connector (25) is a low voltage connector.

4. An apparatus for an intended charging function of a wireless charging according to claim 3, characterized in that: the relay (23), the pre-charging resistor (24) and the connector (25) are connected in a circuit through the PCB (21).

5. An apparatus for an intended charging function of a wireless charging according to claim 4, characterized in that: the relay (23) is connected with a battery pack and a vehicle receiving end in an electrified mode.

6. An arrangement for an intended charging function of a wireless charging according to claim 5, characterized in that: the connector (25) is operated by the input of the control part device.

7. An arrangement for an intended charging function of a wireless charging according to claim 6, characterized in that: the control part is a processor.

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