CN210167859U - Vehicle-mounted charging device - Google Patents
Vehicle-mounted charging device Download PDFInfo
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- CN210167859U CN210167859U CN201921329107.5U CN201921329107U CN210167859U CN 210167859 U CN210167859 U CN 210167859U CN 201921329107 U CN201921329107 U CN 201921329107U CN 210167859 U CN210167859 U CN 210167859U
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Abstract
The embodiment of the utility model discloses on-vehicle charging device, including be used for connecting the car internal power and be used for the wireless module of charging who charges for mobile terminal wireless, be connected the control module who is used for receiving the charged state information that mobile terminal sent and according to charged state information output control signal with the wireless module of charging, be connected the voice module who is used for receiving control signal and carries out voice broadcast according to control signal with control module, one end connect wireless charge the module with between the control module and the other end with the back-up power that voice module connects, wherein, when internal power stopped the power supply, back-up power supplied power for control module and voice module, and control module control voice module reports the prompt message of takakiing away mobile terminal. The charging state information of the mobile terminal can be conveniently broadcasted in real time, and the user experience is also improved.
Description
Technical Field
The utility model relates to an auto-parts field especially relates to an on-vehicle charging device.
Background
Currently, the operating state of the vehicle-mounted wireless charging device is indicated according to a state lamp of the device, for example: a standby state, a charging state, an abnormal working state and the like, which require a driver to operate the device through visual assistance, and have certain potential safety hazards for a running vehicle; after the voice broadcasting function is added, a driver can operate the equipment and can know the working state of the equipment at any time through the assistance of an auditory system, the phenomenon of sight line transfer in the process of using the equipment is eliminated, and the safety of drivers and passengers can be effectively improved. When a user drives a car and places the mobile phone on the wireless charging equipment for charging, the mobile phone is easy to be left on the car after the car is stopped and flamed out, so that great inconvenience is brought to users.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a when forgetting the mobile terminal on-vehicle charging device after parking and flame-out and have voice broadcast and tak away mobile terminal's prompt message, thereby improve user experience's on-vehicle charging device, solve the technical problem of above-mentioned existence, specifically adopt following technical scheme to realize.
The utility model provides an on-vehicle charging device, include:
the wireless charging module is used for connecting an automobile internal power supply and wirelessly charging the mobile terminal;
the control module is connected with the wireless charging module and used for receiving the charging state information sent by the mobile terminal and outputting a control signal according to the charging state information;
the voice module is connected with the control module and used for receiving the control signal and carrying out voice broadcast according to the control signal;
one end of the backup power supply is connected between the wireless charging module and the control module, and the other end of the backup power supply is connected with the voice module;
when the internal power supply stops supplying power, the backup power supply supplies power to the control module and the voice module, and the control module controls the voice module to broadcast prompt information for taking away the mobile terminal.
As a further improvement of the above technical solution, the backup power supply includes:
the anode of the diode is connected to the wireless charging module, the cathode of the diode is connected to the control module and the voice module, the first capacitor and the second capacitor are connected to the cathode of the diode in parallel, and the other ends of the first capacitor and the second capacitor are grounded.
As a further improvement of the above technical solution, the control module includes:
the first resistor and the second resistor are connected in parallel and then are respectively connected to a first pin and a second pin of the main control chip, the third resistor and the third capacitor are connected to a third pin of the main control chip, the fourth resistor, the fifth resistor and the sixth resistor are connected in parallel and are connected to a fourth pin, a fifth pin and a sixth pin of the main control chip, and the fourth capacitor, the fifth capacitor and the sixth capacitor are connected in parallel and are connected to the main control chip.
As a further improvement of the above technical solution, the vehicle-mounted charging device further includes:
the first connector, with the control module is connected, the first connector includes six at least ports, the first port and the reserve power supply of first connector are connected, the second port ground connection of first connector, the internal power source is connected to the third port of first connector, the fourth port of first connector with fourth resistance is connected, the fifth port of first connector with fifth resistance is connected, the sixth port of first connector with sixth resistance is connected.
As a further improvement of the above technical solution, a first circuit composed of the first port, the fourth resistor, and the fourth pin is configured to receive first charging state information sent by the mobile terminal, a second circuit composed of the second port, the fifth resistor, and the fifth pin is configured to receive second charging state information sent by the mobile terminal, and a third circuit composed of the third port, the sixth resistor, and the sixth pin is configured to receive third charging state information sent by the mobile terminal.
As a further improvement of the above technical solution, when the internal power supply stops supplying power, the fifth port is conducted with the anode of the diode, the sixth port is conducted with the cathode of the diode, and the backup power supply supplies power to the control module.
As a further improvement of the above technical solution, the method further comprises:
and the second connector is connected between the backup power supply and the control module, and a reset interface of the second connector is connected with the third pin and used for resetting the main control chip.
As a further improvement of the above technical solution, the vehicle-mounted charging device further includes:
the amplifying module is connected between the control module and the voice module and comprises an eighth resistor, a ninth resistor, a tenth resistor and a triode, the eighth resistor and the ninth resistor are connected to a voltage output end of the backup power supply in parallel, the triode is connected between the eighth resistor and the tenth resistor, and the tenth resistor and the triode are connected to the control module after being connected in parallel;
the amplifying module is used for amplifying the control signal and performing voice broadcasting through the voice module.
As a further improvement of the above technical solution, the voice module further includes:
the control module is connected with the first pin, the eighth pin and the ninth pin and used for receiving the control signal, and the first PWM output port and the second PWM output port are connected with the third connector and used for digital-to-analog conversion.
As a further improvement of the above technical solution, the control module includes a chip of model STM8S003F3F6, and the voice module includes a chip of model NVC 020.
The utility model provides an on-vehicle charging device, through inciting somebody to action wireless charging module is connected with car internal power supply and gives mobile terminal wireless charging, control module with wireless charging module connects, voice module with control module connects, backup source's one end is connected wireless charging module with between the control module, backup source's the other end with voice module connects. The control module receives the charging state information sent by the mobile terminal and outputs a control signal to the voice module, and the voice module carries out voice broadcasting according to the control signal, so that a user can know the current charging state information of the mobile terminal in real time, and the driving safety of the user is improved to a certain extent. When the internal power supply stops supplying power, the backup power supply supplies power to the control module and the voice module, and the control module controls the voice module to broadcast prompt information for taking away the mobile terminal, so that a user can be reminded of taking away the mobile terminal when the vehicle is stopped and flamed out, and the user experience is improved.
Drawings
In order to illustrate the technical solution of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope of the present invention. Like components are numbered similarly in the various figures.
Fig. 1 is a block diagram showing a structure of an in-vehicle charging device according to an embodiment of the present invention;
fig. 2 shows a circuit diagram of a backup power supply of an embodiment of the present invention;
fig. 3 shows a circuit diagram of a control module of an embodiment of the invention;
fig. 4 shows a circuit diagram of a first connector of an embodiment of the invention;
fig. 5 shows a circuit diagram of a second connector of an embodiment of the invention;
fig. 6 shows a circuit diagram of a speech module of an embodiment of the invention;
fig. 7 shows a circuit diagram of an amplification module of an embodiment of the invention.
Description of the main element symbols:
100-vehicle charging device; 110-a wireless charging module; 120-a control module; 121-a main control chip; 122 — a first resistance; 123-a second resistance; 124-third resistance; 125-fourth resistance; 126-fifth resistance; 127-a sixth resistance; 128-seventh resistance; 130-a voice module; 140-backup power supply; 141-a diode; 150-a first connector; 160-a second connector; 170-a third connector; 180-an amplification module; 190-horn.
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.
The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Hereinafter, the terms "including", "having", and their derivatives, which may be used in various embodiments of the present invention, are only intended to indicate specific features, numbers, steps, operations, elements, components, or combinations of the foregoing, and should not be construed as first excluding the existence of, or adding to, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.
Referring to fig. 1, the utility model provides an on-vehicle charging device 100, include:
the wireless charging module 110 is used for connecting an automobile internal power supply and wirelessly charging the mobile terminal;
a control module 120, connected to the wireless charging module 110, configured to receive charging state information sent by the mobile terminal, and output a control signal according to the charging state information;
a voice module 130 connected to the control module 120, configured to receive the control signal and perform voice broadcast according to the control signal;
a backup power source 140, one end of the backup power source 140 being connected between the wireless charging module 110 and the control module 120, and the other end of the backup power source 140 being connected to the voice module 130;
when the internal power supply stops supplying power, the backup power supply 140 supplies power to the control module 120 and the voice module 130, and the control module 120 controls the voice module 130 to report a prompt message for taking away the mobile terminal.
Referring to fig. 2, the backup power source 140 includes a diode 141, a first capacitor C2 and a second capacitor C3, an anode of the diode 141 is connected to the wireless charging module 110, a cathode of the diode 141 is connected to the control module 120 and the voice module 130, the first capacitor C2 and the second capacitor C3 are connected to a cathode of the diode 141 in parallel, and the other ends of the first capacitor C2 and the second capacitor C3 are both grounded. When the in-vehicle charging device 100 is connected to an internal power supply of the vehicle, charging is possible; after the wireless charging module 110 is disconnected from the internal power source, power may be supplied to the control module 120 and the voice module 130, and the control module 120 may determine an output control signal according to an accessed voltage value.
The backup power source 140 may provide a voltage of 5V, an anode of the diode 141 is connected to the wireless charging module 110, a cathode of the diode 141 is connected to the control module 120 and the voice module 130, and the backup power source 140 may supply power to the control module 120 and the voice module 130 when the power supply inside the vehicle is stopped. The mobile terminal can be a smart phone, the wireless charging module 110 can realize contactless charging of the mobile phone through electromagnetic or magnetoelectric conversion, the coreless processing similar to a transformer is carried out, for example, a 12V, DC-550mA power supply is provided by an automobile cigarette lighter, the inverter is used for inverting the power supply into commercial power, a base of a built-in induction coil is connected with the output end of the inverter, the built-in induction coil adopts a circular spiral coil with the radius of 5cm because a square spiral line has current mutation towards a connecting part adjacent to the edge, a mobile phone receiving end consists of a receiver module and an original mobile phone charging circuit, and the wireless charging of the mobile phone is realized by the receiving induction coil through a rectifying circuit and a filtering circuit.
It should be noted that, when the voltage accessed during normal charging of the mobile terminal is greater than the voltage provided by the backup power supply, for example, the normal charging voltage of the mobile phone is 12V, and the voltage in the circuit is 5V when the mobile phone stops charging, the input voltage of the control module 120 changes, and correspondingly outputs different control signals. The connection of the diode 141 can effectively control the direction of the output voltage of the backup power supply 140, thereby improving the operational reliability of the backup power supply 140.
Referring to fig. 3, the control module 120 includes a chip of model STM8S003F3F6, the control module 120 includes a main control chip 121, a first resistor 122, a second resistor 123, a third resistor 124, a fourth resistor 125, a fifth resistor 126, a sixth resistor 127, a seventh resistor 128, a third capacitor C4, a fourth capacitor C5, a fifth capacitor C6 and a sixth capacitor C7, the first resistor 122 is R1 and the second resistor 123 are R2 connected in parallel and then respectively connected to a first pin PD3 and a second pin PD2 of the main control chip 121, the third resistor 124 is R3 and the third capacitor C4 are connected to a third pin NRST of the main control chip 121, the fourth resistor 125 is R4, the fifth resistor 126 is R6 and the sixth resistor 127 is R8 connected in parallel to a fourth pin TIMI _ CH 92/TIMI 4, a fifth pin CH 3527/SCL 42 and a sixth pin 36 3/SCL 27 of the main control chip 121, the seventh resistor 128 is R5 connected to the pin SPI _ MOSI/PC6 of the main control chip 121, and the fourth capacitor C5, the fifth capacitor C6 and the sixth capacitor C7 are connected in parallel to the main control chip 121. The first pin PD3 and the second pin PD2 are respectively connected to the seventh pin PB0 and the ninth pin PA1 of the voice module 130, and the eighth pin PA0 is connected to the SPI _ MOSI/PC6 pin of the main control chip 121. The NRST pin on the main control chip 121 is an asynchronous reset pin, and when the NRST inputs a low level, all internal registers and an SRAM of several tens of KB in the chip are reset when the main control chip 121 is in a reset state; when NRST goes high from low, the PC pointer starts from 0 address. However, the registers and the backup memory in the main control chip 121 are not reset during resetting, the reset operation is started through the determined voltage value, and meanwhile, the influence of transient interference is eliminated, so that the misoperation of the main control chip 121 during the startup and shutdown of the power supply is prevented, and the data safety is ensured.
Referring to fig. 6, the voice module 130 includes a chip with a model number of NVC020, the voice module 130 includes a seventh pin PB0, an eighth pin PA0, a ninth pin PA1, a first PWM output port, a second PWM output port, and a third connector 170, the seventh pin PB0, the eighth pin PA0, and the ninth pin PA1 are all connected to the main control chip 121 for receiving the control signal, and the first PWM output port and the second PWM output port are all connected to the third connector 170 for digital-to-analog conversion. The voice module 130 further includes a speaker 190 for outputting voice information, and the first PWM output port and the second PWM output port are connected to the third connector 170 to be equivalent to a Digital Analog Converter (DAC), which is a device for converting a Digital signal into an analog signal, so that the received Digital signal output in the form of current, voltage or charge can be converted into an analog signal output as analog sound and output through the speaker 190.
Further, the vehicle-mounted charging device 100 further includes:
A first circuit composed of the first port, the fourth resistor 125 and the fourth pin TIMI _ CH4/PC4 is configured to receive first charging status information sent by the mobile terminal, a second circuit composed of the second port, the fifth resistor 126 and the fifth pin TIMI _ CH3/PC3 is configured to receive second charging status information sent by the mobile terminal, and a third circuit composed of the third port, the sixth resistor 127 and the sixth pin I2C _ SCL/PD4 is configured to receive third charging status information sent by the mobile terminal.
Referring to fig. 4, in this embodiment, the first status information may be charging status information of "charging is completed" sent by the mobile terminal, the second status information may be charging status information of "charging" sent by the mobile terminal, and the third status information may be charging status information of "preparation for charging" sent by the mobile terminal. Taking the wireless charging of the mobile phone as an example, when the mobile phone is completely connected to the vehicle-mounted charging device 100 without electricity, the voice module 130 reports the voice information of "ready to charge" to enter a fast charging mode, and when the mobile phone is charged to 50% or 90% of the electricity, the voice information can be reported to remind the user that the current mobile phone is charged, so that the user can know that the vehicle-mounted charging device 100 is in a normal working state, and the problem that the mobile phone cannot be normally charged due to shaking or other equipment faults in the driving process of the automobile can be reduced.
It should be noted that, taking charging of a mobile phone as an example, when the mobile phone is placed on the vehicle-mounted charging device 100 for wireless charging, a prompt message that the mobile phone starts to be charged may be broadcasted by voice; when the mobile phone is placed incorrectly or the wireless charging operation is abnormal, prompt information of the abnormal operation of the vehicle-mounted charging device 100 can be broadcasted through voice; when the mobile phone is charged, a prompt message that the electric quantity of the mobile phone is full can be broadcasted in a voice mode; when the mobile phone is left on the vehicle-mounted charging device 100 after parking and flameout, the prompt message of taking the mobile terminal away through voice broadcast is generated, and therefore the experience degree of a user is improved.
Further, still include:
and a second connector 160 connected between the backup power source 140 and the control module 120, wherein a reset interface of the second connector 160 is connected to the third pin NRST, and is configured to reset the main control chip 121.
Referring to fig. 5, the NRST interface of the second connector 160 is connected to the NRST pin of the main control chip 121, the SWIM interface of the second connector 160 is connected to the SWIM/PD1 pin of the main control chip 121, and the first connector 150 can reset the main control chip 121 when the power supply is turned on or off, so as to improve the operating performance of the vehicle-mounted charging device 100.
Further, the vehicle-mounted charging device 100 further includes:
an amplifying module 180 connected between the control module 120 and the voice module 130, wherein the amplifying module 180 includes an eighth resistor R9, a ninth resistor R10, a tenth resistor R7, and a transistor Q1, the eighth resistor R9 and the ninth resistor R10 are connected in parallel to a voltage output terminal of the backup power source 140, the transistor Q1 is connected between the eighth resistor R9 and the tenth resistor R7, and the tenth resistor E7 is connected in parallel to the transistor Q1 and then connected to the control module 120;
the amplifying module 180 is configured to amplify the control signal and perform voice broadcast through the voice module 130.
Referring to fig. 7, the type of the transistor Q1 is 8050, the base of the transistor Q1 is connected in series with the eighth resistor R9 and in parallel with the ninth resistor R10, the collector of the transistor Q1 is connected with the tenth resistor R7, the emitter of the transistor Q1 is grounded, and the transistor Q1 can transmit an electrical signal with a large amplitude value to a weak signal. The amplifying module 180 is located between the control module 120 and the voice module 130, amplifies the control signal output by the control module 120 to obtain a corresponding amplification control signal, and the amplifying module 180 sends the amplification control signal to the speaker 190 for output.
The utility model provides an on-vehicle charging device 100, through inciting somebody to action wireless charging module 110 is connected with car internal power supply and gives mobile terminal wireless charging, control module 120 with wireless charging module 110 is connected, voice module 130 with control module 120 is connected, backup power source 140's one end is connected wireless charging module 110 with between the control module 120, backup power source 140's the other end with voice module 130 connects. The control module 120 receives the charging state information sent by the mobile terminal and outputs a control signal to the voice module 130, and the voice module 130 performs voice broadcast according to the control signal, so that a user can know the current charging state information of the mobile terminal in real time, and the driving safety of the user is improved to a certain extent. When the internal power supply stops supplying power, the backup power supply 140 supplies power to the control module 120 and the voice module 130, and the control module 120 controls the voice module 130 to report the prompt message for taking away the mobile terminal, so that a user can be reminded to take away the mobile terminal when the vehicle is stopped and flameout, and the user experience is improved.
Each functional module or unit in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.
Claims (10)
1. An in-vehicle charging device characterized by comprising:
the wireless charging module is used for connecting an automobile internal power supply and wirelessly charging the mobile terminal;
the control module is connected with the wireless charging module and used for receiving the charging state information sent by the mobile terminal and outputting a control signal according to the charging state information;
the voice module is connected with the control module and used for receiving the control signal and carrying out voice broadcast according to the control signal;
one end of the backup power supply is connected between the wireless charging module and the control module, and the other end of the backup power supply is connected with the voice module;
when the internal power supply stops supplying power, the backup power supply supplies power to the control module and the voice module, and the control module controls the voice module to broadcast prompt information for taking away the mobile terminal.
2. The vehicle-mounted charging device according to claim 1, wherein the backup power supply includes:
the anode of the diode is connected to the wireless charging module, the cathode of the diode is connected to the control module and the voice module, the first capacitor and the second capacitor are connected to the cathode of the diode in parallel, and the other ends of the first capacitor and the second capacitor are grounded.
3. The vehicle-mounted charging device according to claim 2, wherein the control module includes:
the first resistor and the second resistor are connected in parallel and then are respectively connected to a first pin and a second pin of the main control chip, the third resistor and the third capacitor are connected to a third pin of the main control chip, the fourth resistor, the fifth resistor and the sixth resistor are connected in parallel and are connected to a fourth pin, a fifth pin and a sixth pin of the main control chip, and the fourth capacitor, the fifth capacitor and the sixth capacitor are connected in parallel and are connected to the main control chip.
4. The vehicle-mounted charging device according to claim 3, characterized by further comprising:
the first connector, with the control module is connected, the first connector includes six at least ports, the first port and the reserve power supply of first connector are connected, the second port ground connection of first connector, the internal power source is connected to the third port of first connector, the fourth port of first connector with fourth resistance is connected, the fifth port of first connector with fifth resistance is connected, the sixth port of first connector with sixth resistance is connected.
5. The vehicle-mounted charging device according to claim 4, characterized by further comprising:
the first circuit composed of the first port, the fourth resistor and the fourth pin is used for receiving first charging state information sent by the mobile terminal, the second circuit composed of the second port, the fifth resistor and the fifth pin is used for receiving second charging state information sent by the mobile terminal, and the third circuit composed of the third port, the sixth resistor and the sixth pin is used for receiving third charging state information sent by the mobile terminal.
6. The vehicle-mounted charging device according to claim 4, characterized by further comprising:
when the internal power supply stops supplying power, the fifth port is conducted with the anode of the diode, the sixth port is conducted with the cathode of the diode, and the backup power supply supplies power to the control module.
7. The vehicle-mounted charging device according to claim 3, characterized by further comprising:
and the second connector is connected between the backup power supply and the control module, and a reset interface of the second connector is connected with the third pin and used for resetting the main control chip.
8. The vehicle-mounted charging device according to claim 2, characterized by further comprising:
the amplifying module is connected between the control module and the voice module and comprises an eighth resistor, a ninth resistor, a tenth resistor and a triode, the eighth resistor and the ninth resistor are connected to a voltage output end of the backup power supply in parallel, the triode is connected between the eighth resistor and the tenth resistor, and the tenth resistor and the triode are connected to the control module after being connected in parallel;
the amplifying module is used for amplifying the control signal and performing voice broadcasting through the voice module.
9. The vehicle-mounted charging device according to claim 2, wherein the voice module further includes:
the control module is connected with the first pin, the eighth pin and the ninth pin and used for receiving the control signal, and the first PWM output port and the second PWM output port are connected with the third connector and used for digital-to-analog conversion.
10. The vehicle-mounted charging device according to claim 1, wherein the control module comprises a chip of model STM8S003F3F6, and the voice module comprises a chip of model NVC 020.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921329107.5U CN210167859U (en) | 2019-08-13 | 2019-08-13 | Vehicle-mounted charging device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921329107.5U CN210167859U (en) | 2019-08-13 | 2019-08-13 | Vehicle-mounted charging device |
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| CN210167859U true CN210167859U (en) | 2020-03-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115571068A (en) * | 2022-09-26 | 2023-01-06 | 浙江吉利控股集团有限公司 | Charging device interaction method and equipment |
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- 2019-08-13 CN CN201921329107.5U patent/CN210167859U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115571068A (en) * | 2022-09-26 | 2023-01-06 | 浙江吉利控股集团有限公司 | Charging device interaction method and equipment |
| WO2024066084A1 (en) * | 2022-09-26 | 2024-04-04 | 浙江吉利控股集团有限公司 | Interaction method for charging apparatus, and device |
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Granted publication date: 20200320 |