WO2019091274A1

WO2019091274A1 - Wireless charger using electric vacuum suction and usage method therefor

Info

Publication number: WO2019091274A1
Application number: PCT/CN2018/110863
Authority: WO
Inventors: 李志勇; 李江山
Original assignee: 李志勇; 李江山
Priority date: 2017-11-10
Filing date: 2018-10-18
Publication date: 2019-05-16
Also published as: CN107689689A

Abstract

Disclosed by the present invention are a wireless charger using electric vacuum suction and a usage method therefor: using a negative-pressure integral cavity to cause the suction force of each suction hole to be uniform, and placing an electronic product to be charged (for example, a mobile phone) on the suction holes for fixation; detecting the internal pressure of the negative-pressure integral cavity by means of providing an air pressure sensor; automatically controlling a negative-pressure vacuum pump to turn on and off according to actual needs so as to reduce the power consumption of the negative-pressure vacuum pump; By means the principle of vacuum suction, the charger achieves convenient and fast access for electronic products to be charged, while also achieving the purpose of charging; meanwhile, the charger further facilitates a driver seeing information content displayed on the electronic product to be charged while driving; the entire wireless charger using electric vacuum suction has a well-designed structure and configuration, and meets requirements for use.

Description

Electric vacuum absorption wireless charger and using method thereof

[0001] The present invention relates to a car wireless charger, and more particularly to an electric vacuum absorption wireless charger and a method of using the same.

Background technique

[0002] At present, the traditional wireless chargers on the market generally have the following drawbacks:

[0003] 1. In a general car charger, the electronic device to be charged can only be placed horizontally on the wireless charging panel, and the electronic device cannot be reasonably fixed;

[0004] 2. The vehicle charger that fixes the electronic device by clamping is too complicated to use;

[0005] 3. The magnet charger is used to fix the vehicle charger of the electronic device, and the magnet adsorption interferes with the charging magnetic field, which is prone to high temperature, resulting in unstable charging;

[0006] 4. Using a suction cup to fix the vehicle charger of the electronic device, when the constant small suction cup is in a non-vacuum state, the negative pressure vacuum supply is not obtained, and it is easy to fall off; and the negative pressure of each suction point is inconsistent, resulting in no force when removing. One

[0007] 5. The car charger for fixing the electronic device by means of pasting, the sticking place is easy to stick dust/dirt/oil stain

, damage to the pasting surface, the attachment life is too short.

Therefore, the prior art has yet to be improved and developed.

technical problem

[0009] An object of the present invention is to provide an electric vacuum absorption wireless charger and a method for using the same, which aim to solve the problem that the existing electronic device fixing structure of the in-vehicle wireless charger has shortcomings and cannot meet the requirements of use.

Problem solution

Technical solution

[0010] An electric vacuum absorption wireless charger, comprising: a support structure supporting the entire structure, a control electronic board disposed on the support structure, a vacuum negative pressure pump, a cushioning cavity housing, an electromagnetic transmitting coil and a silicone pad a buffering cavity is disposed in the buffer chamber, and the buffer chamber includes a gas pressure inlet and a gas pressure The outlet, the silicone pad is provided with a plurality of vacuum suction holes, the vacuum negative pressure pump is connected with the air pressure inlet, and the air pressure outlet is connected with the plurality of negative pressure suction holes; the distance between the silicone pad and the electromagnetic transmitting coil is not more than The maximum electromagnetic induction distance of the charging electronic product; the vacuum negative pressure pump is connected with the control electronic board, and is controlled by the control electronic board to open and close; the electromagnetic transmitting coil is connected with the control electronic board: connecting the automobile cigarette lighter and the electromagnetic transmitting coil, so that the whole The electric vacuum absorption wireless charger enters the standby state, and the electronic product to be charged is placed close to the silicone pad provided with a plurality of negative pressure suction holes, and the electromagnetic interference signal generated between the electronic product to be charged and the electromagnetic transmission coil excites the control electronic board to work, and controls The electronic board controls the vacuum negative pressure pump to work, forming a vacuum negative pressure state in the slow pressure cavity, and then adsorbing and fixing the electronic product to be charged through the negative pressure suction hole on the silica gel pad; and controlling the electronic board to control the electromagnetic transmitting coil and the electron to be charged The product forms an electromagnetic field that causes the electronic product to be charged to convert electromagnetic energy into electrical energy.

[0011] The electric vacuum absorption wireless charger, wherein the bracket structure comprises a base and an angle bracket capable of adjusting a supporting angle, wherein the one end of the angle bracket is disposed on the base, and the control electronic board, the vacuum negative pressure pump, and the slow The pressure cavity housing, the electromagnetic transmitting coil and the silicone pad are sequentially disposed on the other end of the angle bracket, and the angle of view of the electronic product to be charged is adjusted by adjusting the support angle of the angle bracket.

[0012] The electric vacuum absorption wireless charger further includes a heat dissipation type body for dissipating heat in time, and the heat dissipation type body is disposed at the other end of the angle bracket, and is placed on the full power indicator light and the control electronic board. During the time, the heat generated by the full power indicator and the control electronics board is released in time.

[0013] The electric vacuum absorption wireless charger, wherein a gas sensor for detecting a gas pressure in the buffer cavity is disposed in the buffer cavity, and the gas sensor is connected to the control electronic board: when the gas sensor When it is detected that the pressure in the buffer cavity reaches a critical value, the information is fed back to the control electronic board, and the control electronic board controls the vacuum negative pressure pump to stop and supply the vacuum gas to the buffer cavity; when the gas sensor detects the slow pressure type When the gas pressure in the chamber does not reach the critical value, the control electronic board controls the vacuum negative pressure pump to continue to work, and the vacuum gas is continuously supplied in the slow pressure cavity.

[0014] The electric vacuum absorption wireless charger, wherein a plurality of decorative members are disposed on an outer surface of the cushioning cavity housing, and the plurality of decorative members are fixed on the buffer chamber by a snap connection .

[0015] The electric vacuum absorption wireless charger, wherein a gas one-way valve is disposed at an air outlet of the vacuum negative pressure pump, and the gas one-way valve is connected to the air pressure inlet.

[0016] The electric vacuum absorption wireless charger, wherein the other end of the angle bracket is provided with a prompt The fully charged indicator light is fully charged, and the full power indicator light is connected to the control electronic board. When the electronic product to be charged is fully charged, the control electronic board controls the full power indicator light to light up, indicating that the power is full, and the charging is to be charged in time. electronic product.

[0017] A charging method of an electric vacuum absorption wireless charger according to any one of the preceding claims, wherein the method comprises the following steps:

[0018] Step S1: connecting the car cigarette lighter and the electromagnetic transmitting coil, so that the entire electric vacuum suction wireless charger enters the standby state;

[0019] Step S2: checking whether the electronic product to be charged has the function of receiving the electromagnetic field to convert the electric energy, is, performing step S3 - step S6, no, performing step S4 - step S6;

[0020] Step S3: installing software for receiving electromagnetic field conversion electrical energy for the electronic product to be charged;

[0021] Step S4: bringing the electronic product to be charged close to the silicone pad provided with a plurality of vacuum suction holes;

[0022] Step S5: an electromagnetic interference signal generated between the electronic product to be charged and the electromagnetic transmitting coil excites the control of the electronic board;

[0023] Step S6: controlling the electronic board to control the vacuum negative pressure pump to work, forming a vacuum negative pressure state in the slow pressure cavity, and then adsorbing and fixing the electronic product to be charged through the negative pressure suction hole on the silica gel pad; controlling the electronic board simultaneously The electromagnetic transmitting coil forms an electromagnetic field with the electronic product to be charged, so that the electronic product to be charged converts electromagnetic energy into electrical energy.

[0024] The charging method of the electric vacuum absorption wireless charger, wherein the step S6 further comprises the following process: the gas sensor detects whether the air pressure in the buffer cavity reaches a critical value and feeds the information back to the control electronic board. If the critical value has been reached, the control electronic board controls the vacuum negative pressure pump to be turned off, the gas check valve is closed, and the vacuum gas is stopped from being supplied to the buffering cavity; if the critical value has not been reached, the control electronic board controls the vacuum negative pressure pump to continue. At work, the gas check valve opens to continue to supply vacuum gas into the pressure relief cavity.

[0025] The charging method of the electric vacuum absorption wireless charger, wherein the step S6 further includes the following process: the control electronic board determines whether the electronic product to be charged is fully charged, and the control electronic board controls the full power indicator light. Light, the prompt is full, remove the electronic product to be charged in time; No, the control electronic board control full power indicator does not work, the electronic product to be charged continues to charge.

Advantageous effects of the invention

Beneficial effect [0026] The present invention provides an electric vacuum absorption wireless charger and a method for using the same, which utilizes a negative pressure integral cavity to make the suction of each suction hole uniform, and places an electronic product to be charged (eg, a mobile phone) on the suction hole. Fixing; The internal pressure of the negative pressure whole cavity is detected by setting the air pressure sensor, and the vacuum negative pressure pump is automatically controlled to open and close according to actual needs, so as to reduce the power consumption of the vacuum negative pressure pump; the charger adopts the principle of vacuum adsorption, It not only realizes convenient access to the electronic products to be charged, but also achieves the purpose of charging. At the same time, it also facilitates the driver to see the information content displayed on the electronic product to be charged during driving; The structure of the entire electric vacuum absorption wireless charger is reasonable. , to meet the use requirements.

Brief description of the drawing

DRAWINGS

1 is a structural exploded view of an electric vacuum absorption wireless charger in accordance with the present invention.

2 is a flow chart showing the steps of a charging method of an electric vacuum absorption wireless charger in the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

[0029] As shown in FIG. 1 , an electric vacuum absorption wireless charger is particularly suitable for on-board wireless charging of an electronic product, including a support structure supporting the entire structure, a control electronic board 210 disposed on the support structure, and a vacuum negative pressure The pump 220, the slow-pressure cavity housing 230, the electromagnetic transmitting coil 240 and the silicone pad 250 are provided with a buffering cavity 260, and the buffering cavity 260 includes a gas pressure inlet and a gas pressure. The outlet, the silicone pad 250 is provided with a plurality of vacuum suction holes; the vacuum negative pressure pump 220 is connected to the air pressure inlet, and the air pressure outlet is connected to the plurality of vacuum suction holes; between the silicone pad 250 and the electromagnetic transmitting coil 240 The distance is not more than the maximum electromagnetic induction distance of the electronic product to be charged (the maximum electromagnetic induction distance of the existing electronic product is 4 mm); the vacuum negative pressure pump 220 is connected to the control electronic board 210, and is controlled by the control electronic board 210 to open and close. The electromagnetic transmitting coil 240 is connected to the control electronic board 210: the automobile cigarette lighter and the electromagnetic transmitting coil 240 are connected, so that the entire electric vacuum suction wireless charger enters the standby state, and the electric charging is to be charged. The sub-product is close to the silica gel pad 250 provided with a plurality of vacuum suction holes, and the electromagnetic interference signal generated between the electronic product to be charged and the electromagnetic transmitting coil 240 activates the control electronic board 210 to operate, and the control electronic board 210 controls the vacuum negative pressure pump 220 to work. Forming a vacuum negative pressure state in the buffering cavity 260, and then adsorbing and fixing the electronic product to be charged through the negative pressure suction hole on the silicone pad 250; and controlling the electronic board 210 to control the electromagnetic transmitting coil 240 to form an electromagnetic field with the electronic product to be charged The electronic product to be charged converts electromagnetic energy into electrical energy to achieve a charging effect. Ben In the technical solution, the vacuum negative pressure pump 220 and the negative pressure suction hole are connected by setting the pressure relief cavity 260, and the pressure relief cavity 2 60 is provided as a buffer air flow space for buffering the vacuum degree of each negative pressure suction hole. The abrupt change makes the suction of each negative pressure suction hole uniform, which is convenient for the adsorption and fixation of the electronic product to be charged. By adopting the vacuum adsorption principle, the electronic product to be charged is conveniently accessed, and the purpose of charging can be achieved. Requirements. Embodiments of the invention

[0030] Specifically, in order to facilitate viewing the information content displayed on the electronic product to be charged during the charging process, the bracket structure includes a base 110 and an angle bracket 120 with an adjustable support angle, and the angle bracket 120 is disposed at the base 110, the control electronic board 210, the vacuum negative pressure pump 220, the buffering cavity housing 230, the electromagnetic transmitting coil 240 and the silicone pad 250 are sequentially disposed on the other end of the angle bracket 120, by adjusting the supporting angle of the angle bracket 120, Adjust the angle of view of the electronic product to be charged, and conveniently view the displayed information content

[0031] In order to facilitate the fixing of the bracket structure, a 3M glue is disposed at the bottom of the base 110.

[0032] In order to be able to remove the negative pressure suction hole after the electronic product to be charged is fully charged, reduce the energy consumption, protect the electronic product to be charged from overcharging, and affect the battery life, and the other end of the angle bracket 120 is provided for The full power indicator light is connected to the control electronic board 210. When the electronic product to be charged is fully charged, the control electronic board 210 controls the full power indicator to light up, indicating that the power is full, and timely Going to charge electronic products. In this embodiment, in order to save energy, the full power indicator light uses an LED visual light.

[0033] In order to avoid the high temperature of the electric vacuum absorption wireless charger during the charging process, resulting in unstable charging, the electric vacuum absorption wireless charger further includes a heat dissipation type body 300 for dissipating heat in time, the heat dissipation The body 300 is disposed at the other end of the angle bracket 120, and is placed between the full power indicator and the control electronic board 2 10 to dissipate the heat generated by the full power indicator and the control electronic board 210 in time.

[0034] In order to prevent backflow of the vacuum airflow, a gas check valve 221 is provided at the air outlet of the vacuum negative pressure pump 220, and the gas check valve 221 is connected to the air pressure inlet.

[0035] In order to reduce the power consumption of the vacuum negative pressure pump 220, a gas sensor 222 for detecting the air pressure in the pressure-reducing cavity 260 is disposed in the buffer cavity 260, and the gas sensor 222 is connected to the control electronic board 210. : When the gas feels When the air pressure in the buffer cavity 260 reaches the critical value, the device 222 feeds back information to the control electronic board 210, the control electronic board 210 controls the vacuum negative pressure pump 220 to be turned off, and the gas check valve 221 is closed, when the gas sensor 222 is turned off. When it is detected that the air pressure in the slow-pressure cavity 260 does not reach the critical value, the information is fed back to the control electronic board 210, the control electronic board 210 controls the vacuum negative pressure pump 220 to continue working, and the gas check valve 221 is opened to be the pressure-reducing cavity 260. Vacuum gas continues to be supplied.

[0036] In order to prevent vacuum leakage, the silicone pad 250 adopts a sealed silicone pad, and a sealed silicone pad can prevent the vacuum of the electronic product to be charged from leaking through the silicone pad 250 while preventing the air from entering through the silicone pad 250. The vacuum system affects the adsorption and fixation of the electronic product to be charged.

[0037] In order to increase the aesthetics of the entire structure, a plurality of decorative members 400 are disposed on the outer surface of the cushioning cavity housing 230, and the plurality of decorative members 400 are fixed to the cushioning cavity housing 230 by a snap connection. . In this embodiment, in order to make the entire cushioning cavity housing 230 symmetrical, four decorative pieces 400 are disposed on the four corners of the cushioning cavity housing 230.

[0038] As shown in FIG. 2, a charging method of the electric vacuum absorption wireless charger as described above specifically includes the following steps:

[0039] Step S1: connecting the car cigarette lighter and the electromagnetic transmitting coil 240, so that the entire electric vacuum suction wireless charger enters a standby state;

[0040] Step S2: checking whether the electronic product to be charged has the function of receiving the electromagnetic field to convert the electric energy, is, performing step S3 - step S6, no, performing step S4 - step S6;

[0041] Step S3: installing software for receiving electromagnetic field conversion electrical energy for the electronic product to be charged;

[0042] Step S4: the electronic product to be charged is placed close to the silica gel pad 250 provided with a plurality of vacuum suction holes;

[0043] Step S5: The electromagnetic interference signal generated between the electronic product to be charged and the electromagnetic transmitting coil 240 activates the control electronic board 210 to operate;

[0044] Step S6: The control electronic board 210 controls the operation of the vacuum negative pressure pump 220 to form a vacuum negative pressure state in the buffering cavity 260, and then adsorbs and fixes the electronic product to be charged through the negative pressure suction hole on the silicone pad 250; The control electronic board 210 simultaneously controls the electromagnetic transmitting coil 240 to form an electromagnetic field with the electronic product to be charged, so that the electronic product to be charged converts electromagnetic energy into electrical energy.

[0045] In order to reduce the power consumption of the vacuum negative pressure pump 220, the step S6 further includes the following process: The gas sensor 222 detects whether the air pressure in the pressure-reducing cavity 260 reaches a critical value and feeds back information to the control electronic board 210. If The critical value has been reached, the control electronic board 210 controls the vacuum negative pressure pump 220 to be closed, the gas check valve 221 is closed, and the vacuum gas is stopped from being supplied into the pressure-reducing cavity 260; if the critical value has not been reached, the control electronic board 210 controls the vacuum negative The pressure pump 220 continues to operate, and the gas check valve 221 is opened to continue to supply vacuum gas into the pressure relief cavity 260.

[0046] In order to be able to remove the negative pressure suction hole after the electronic product to be charged is fully charged, reduce the energy consumption, protect the electronic product to be charged from overcharging, and affect the battery life, the step S6 further includes the following process: The electronic board 210 determines whether the electronic product to be charged is fully charged. Yes, the control electronic board 210 controls the full power indicator to light, indicating that the power is full, and the electronic product to be charged is taken out in time; No, the control electronic board 210 controls the full power indicator. No action, the electronic product to be charged continues to charge.

Industrial applicability

[0047] In actual use, some electronic products to be charged do not have the function of receiving electromagnetic fields to convert electric energy, and all the persons to be charged electronic products are reluctant to install software that receives electromagnetic fields to convert electric energy, in this case. The electric vacuum suction wireless charger can simply act as a fixed electronic product to be charged. The specific process is as follows: Connect the car cigarette lighter and the electromagnetic transmitting coil 240, so that the entire electric vacuum suction wireless charger enters the standby state; The electronic product itself does not have the function of receiving electromagnetic field to convert electric energy, and the electronic product to be charged is close to the silica gel pad 250 provided with a plurality of negative pressure suction holes, and the electromagnetic interference signal generated between the electronic product to be charged and the electromagnetic transmitting coil 240 is excited and controlled. The electronic board 210 operates, and the control electronic board 210 controls the vacuum negative pressure pump 220 to operate, so that a vacuum negative pressure state is formed in the buffering cavity 260, and the electronic product to be charged is adsorbed and fixed through the negative pressure suction hole on the silicone pad 250.

Sequence table free content

[0048] It should be understood that the application of the present invention is not limited to the above examples, and those skilled in the art may modify or change the above description, all of which are subject to the appended claims. protected range.

Claims

Claim

[Claim 1] An electric vacuum absorption wireless charger, comprising: a support structure supporting the entire structure, a control electronic board disposed on the support structure, a vacuum negative pressure pump, a cushioning cavity housing, and electromagnetic emission a coil and a silica gel pad, wherein the buffer chamber is provided with a pressure-reducing cavity, the buffer chamber includes a gas pressure inlet and a gas pressure outlet, and the silica gel pad is provided with a plurality of vacuum suction holes, and the vacuum negative pressure pump Connected to the air inlet, the air outlet is connected to the plurality of vacuum suction holes; the distance between the silicone pad and the electromagnetic transmitting coil is not greater than the maximum electromagnetic sensing distance of the electronic product to be charged; the vacuum negative pressure pump and the control electronic board The connection is controlled by the control electronic board; the electromagnetic transmitting coil is connected with the control electronic board: the car cigarette lighter and the electromagnetic transmitting coil are connected, so that the whole electric vacuum suction wireless charger enters the standby state, and the electronic products to be charged are placed close to the setting. Silicone pad with negative suction hole, electromagnetic interference signal generated between the electronic product to be charged and the electromagnetic transmitting coil The electronic board works, and the control electronic board controls the vacuum negative pressure pump to work, so that a vacuum negative pressure state is formed in the slow pressure cavity, and the electronic product to be charged is adsorbed and fixed through the negative pressure suction hole on the silica gel pad; and the electronic board is controlled to control the electromagnetic emission. The coil forms an electromagnetic field with the electronic product to be charged, so that the electronic product to be charged converts electromagnetic energy into electrical energy.

[Claim 2] The electric vacuum absorption wireless charger according to claim 1, wherein the bracket structure comprises a base and an angle bracket capable of adjusting a support angle, and the angle bracket is disposed at one end on the base to control the electronic The plate, the vacuum negative pressure pump, the slow-pressure cavity housing, the electromagnetic transmitting coil and the silicone pad are sequentially disposed on the other end of the angle bracket, and the viewing angle of the electronic product to be charged is adjusted by adjusting the support angle of the angle bracket.

[Claim 3] The electric vacuum absorption wireless charger according to claim 2, further comprising a heat dissipation type body for dissipating heat in time, wherein the heat dissipation type body is disposed at the other end of the angle bracket, and is placed at full Between the electric indicator light and the control electronic board, the heat generated by the full power indicator and the control electronic board is released in time.

[Claim 4] The electric vacuum absorption wireless charger according to claim 1, wherein a gas sensor for detecting a gas pressure in the buffering cavity is provided in the buffering cavity, the gas sensor and the control Electronic board connection: When the gas sensor detects that the pressure in the buffer cavity reaches a critical value When the information is fed back to the control electronic board, the control electronic board controls the vacuum negative pressure pump to stop and supply the vacuum gas to the buffer cavity; when the gas sensor detects that the pressure in the buffer cavity does not reach the critical value, the control electron The plate-controlled vacuum negative pressure pump continues to operate, providing vacuum gas for the pressure-reducing cavity.

[Claim 5] The electric vacuum absorption wireless charger according to claim 1, wherein a plurality of decorative members are disposed on an outer surface of the cushioning cavity housing, and the plurality of decorative members are fixed by a snap connection On the cushioning cavity housing.

[Clave 6] The electric vacuum absorption wireless charger according to claim 1, wherein a gas check valve is provided at an air outlet of the vacuum negative pressure pump, and the gas check valve is connected to the air pressure inlet.

[Claim 7] The electric vacuum absorption wireless charger according to claim 2, wherein a full power indicator for indicating that the power is full is provided on the other end of the angle bracket, the full power indicator and the control The electronic board is connected. When the electronic product to be charged is fully charged, the control electronic board controls the full power indicator to light up, indicating that the power is full, and the electronic product to be charged is taken out in time.

[Claim 8] The charging method of the electric vacuum absorption wireless charger according to any one of claims 1 to 7, characterized in that it comprises the following steps:

Step S1: connecting the car cigarette lighter and the electromagnetic transmitting coil, so that the entire electric vacuum suction wireless charger enters the standby state;

Step S2: checking whether the electronic product to be charged has the function of receiving the electromagnetic field to convert the electric energy, and then performing step S3 - step S6, no, performing step S4 - step S6;

Step S3: installing software for receiving electromagnetic field conversion electric energy for the electronic product to be charged; Step S4: approaching the electronic product to be charged close to the silicone pad provided with a plurality of vacuum suction holes; Step S5: electronic product to be charged and electromagnetic transmitting coil The electromagnetic interference signal generated between the excitations controls the operation of the electronic board;

Step S6: controlling the electronic board to control the vacuum negative pressure pump to work, forming a vacuum negative pressure state in the buffering cavity, and then adsorbing and fixing the electronic product to be charged through the negative pressure suction hole on the silicone pad; controlling the electronic board to simultaneously control the electromagnetic transmitting coil Forming an electromagnetic field with the electronic product to be charged, so that the electronic product to be charged converts electromagnetic energy into electrical energy.

[Claim 9] The charging method of the electric vacuum absorption wireless charger according to claim 8, wherein the step S6 further comprises the following process: the gas sensor detects whether the air pressure in the buffer cavity reaches a critical value And feedback the information to the control electronic board. If the critical value has been reached, the control electronic board controls the vacuum negative pressure pump to be turned off, the gas check valve is closed, and the vacuum gas is stopped from being supplied to the buffering cavity; if the critical value has not been reached, the control is performed. The electronic board controls the vacuum negative pressure pump to continue working, and the gas check valve is opened to continue to supply vacuum gas into the pressure relief cavity.

[Claim 10] The charging method of the electric vacuum absorption wireless charger according to claim 8, wherein the step S6 further includes the following process: controlling the electronic board to determine whether the electronic product to be charged is fully charged, The control electronic board controls the full power indicator to light, indicating that the power is full, and the electronic product to be charged is removed in time; otherwise, the control electronic board controls the full power indicator to not operate, and the electronic product to be charged continues to be charged.