Capacitive touch control electric appliance device powered by battery

Abstract

The utility model discloses a capacitive touch control electric appliance device powered by a battery. The capacitive touch control electric appliance device comprises the battery, a capacitive touch unit and a simulation grounding unit, wherein the battery provides electric power required by the electric appliance device, and the capacitive touch unit comprises at least one touch point which is touched by a human body and used for controlling the electric appliance device; wherein the simulation grounding unit is electrically connected with the negative electrode of the battery, a common ground loop is formed between the simulation grounding unit and the touch point, a charge transfer path is formed between parasitic capacitance generated when a human body touches the touch point and the common ground loop, and charge transfer is carried out to generate a touch control signal to control the electric appliance device. Therefore, a common-ground loop can be formed through simulation grounding and the touch control device, and then a charge transfer path is formed between the common-ground loop and parasitic capacitance generated by a human body, so that the purpose that touch control can still be carried out through battery power supply is achieved.

Description

Technical Field

[0001] The utility model relates to a battery-powered capacitive touch-controlled electrical device, and more particularly to a battery-powered electrical device product that can be controlled by touch. Background Art

[0002] Existing electrical devices use capacitive touch technology, such as China Patent No. CN209909641, or China Patent No. CN202931639U, such as Figure 1 The figure shows the schematic diagram of the structure of CN202931639U. The prior art uses the neutral line of the external mains power and the ground to form a common ground loop, and then the parasitic capacitance of the human body and the ground to form a charge transfer path, such as Figure 2 The figure shows a schematic diagram of a conventional electrical device touch control using a mains neutral line to form a common ground loop. When a human body touches the device, the parasitic charge transfer of the human body generates a touch signal.

[0003] However, the existing human body charge transfer technology for electrical device touch control cannot be performed using battery power supply, such as Figure 3 The schematic diagram shown is that the conventional electrical device cannot form a common ground loop when powered by a battery. Because the battery power supply cannot form a common ground loop with the earth ground, the parasitic charge of the human body cannot be transferred, causing touch detection failure, which is quite inconvenient for many battery-powered electrical devices. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the existing human body charge transfer technology of capacitive touch, which cannot be powered by batteries, the main purpose of the utility model is to provide a battery-powered capacitive touch electrical device, which can form a common ground loop with the touch device through analog grounding, and then form a charge transfer path between the parasitic capacitance generated by the human body, so as to achieve the purpose of still being able to perform touch while being powered by batteries.

[0005] To achieve the above-mentioned purpose, the utility model provides a battery-powered capacitive touch electrical device, comprising a battery, a capacitive touch unit and an analog grounding unit; wherein the battery provides the power required by the electrical device, and the capacitive touch unit includes at least one touch point for a human body to touch in order to control the electrical device; wherein the analog grounding unit is electrically connected to the negative pole of the battery and forms a common ground loop with the touch point, and when the human body touches the touch point, a parasitic capacitance generated forms a charge transfer path with the common ground loop, and charge transfer is performed to generate a touch signal to control the electrical device.

[0006] To achieve the above-mentioned purpose, the utility model also provides the above-mentioned battery-powered capacitive touch electrical device, wherein the battery is a rechargeable battery, including a charging unit, which can be used to connect the charging unit to external power to charge the battery; and also includes: a power supply unit for capturing the battery or the external power to supply the power required by the electrical device.

[0007] To achieve the above objectives, the utility model further provides the above-mentioned battery-powered capacitive touch electrical device, wherein the touch point can be a metal casing of the electrical device, a metal strip provided on the electrical device, a metal heating wire provided in the electrical device, or a plurality of metal points provided on the electrical device.

[0008] To achieve the above objectives, the utility model further provides the above-mentioned battery-powered capacitive touch electrical device, wherein the analog grounding unit can be a metal base of the electrical device, and an insulating lining is further provided in the base, or can be a metal sheet attached to the inner layer of the electrical device housing.

[0009] The electrical device further comprises a driving unit electrically connected to the power supply unit and the capacitive touch unit, for driving the electrical device to operate with the power provided by the power supply unit and for operating the electrical device under the touch of the capacitive touch unit.

[0010] The electrical device further includes an output unit electrically connected to the driving unit for operating by being driven by the driving unit.

[0011] Wherein, the output unit is a light bulb, an LED light bar or a DC motor.

[0012] The output unit is a heating wire, and the driving unit is a heating device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the architecture of China's patent No. CN202931639U.

[0014] Figure 2 Schematic diagram of using the neutral line of the mains to form a common ground loop for touch control of existing electrical devices.

[0015] Figure 3 Schematic diagram of using batteries to power existing electrical devices without forming a common ground loop.

[0016] Figure 4 It is a block diagram of a battery-powered capacitive touch-controlled electrical device of the present invention.

[0017] Figure 5 This is a simulated grounding schematic diagram of the utility model using a bedside lamp as an embodiment.

[0018] Figure 6 This is a schematic diagram of an embodiment of the utility model using a bedside lamp with built-in batteries.

[0019] Figure 7 This is a schematic diagram of an embodiment of the present invention using a touch desk lamp with a built-in battery.

[0020] Figure 8 This is a schematic diagram of an embodiment of the present invention using a handheld massager with a built-in battery.

[0021] Fig. 9 This is a schematic diagram of an embodiment of the utility model using a rechargeable heating pack.

[0022] Explanation of the reference numerals: 10 - electrical device; 11 - battery; 12 - capacitive touch unit; 13 - analog grounding unit; 14 - charging unit; 15 - touch point; 151 - human body parasitic capacitance; 161 - charge transfer path; 17 - power supply unit; 18 - drive unit; 19 - output unit. DETAILED DESCRIPTION

[0023] See also Figure 4 As shown, it is a block diagram of a battery-powered capacitive touch electrical device of the present invention. It is known from the prior art that battery power cannot form a common ground loop with the earth ground, so the present invention designs a simulated grounding to form a common ground loop to provide a transfer path for parasitic charges of the human body. Therefore, the electrical device 10 of the present invention includes a battery 11, a capacitive touch unit 12 and an simulated grounding unit 13, wherein the battery 11 is used for the power required by the electrical device 10, and the battery 11 can be a rechargeable battery, so the electrical device 10 of the present invention further includes a charging unit 14 for connecting an external power source, such as a mains or a mobile power source, etc., to charge the battery 11.

[0024] The capacitive touch unit 12 includes at least one touch point 15, which allows the human body to touch and control the electrical device 10, such as turning on / off the electrical appliance, the brightness of the lamp, the speed of the fan, etc. The analog ground unit 13 is electrically connected to the negative electrode of the battery 11, and forms a common ground loop with the touch point 15. When the human body touches the touch point 15, the human body generates a human body parasitic capacitance 151, and forms a charge transfer path 161 with the common ground loop, and performs charge transfer to generate a touch signal to perform touch control of the electrical device.

[0025] Please also refer to Figure 4 and Figure 5 As shown, Figure 5 FIG. 1 is a schematic diagram of simulated grounding of a bedside lamp as an embodiment of the present invention, wherein the simulated grounding unit 13 can be generated by a metal base of an electrical device, such as Figure 5The conductive metal bottom plate of the bedside lamp is connected to the negative electrode of the battery 11 with the metal bottom plate by a connecting wire to form a simulated ground.

[0026] The touch point 15 may be a metal shell of an electrical device, such as Figure 5 The metal shell of the lamp body is connected to the capacitive touch unit 12 by a wire to form a charge transfer path 161. In other embodiments, the touch point 15 can also be a plurality of metal points arranged on the electrical device 10, such as controlling dimming, color temperature control, motor speed, etc. Or the touch point 15 can also be a metal heating wire in a heating pack.

[0027] For example Figure 4 As shown, the utility model further includes a power supply unit 17, a driving unit 18 and an output unit 19, wherein the power supply unit 17 is used to capture the external power of the battery 11 or the charging unit 14 to supply the power required by the electrical device 10. The driving unit 18 is electrically connected to the power supply unit 17 and the capacitive touch unit 12, and is used to drive the electrical device 10 to operate with the power provided by the power supply unit 17, and to operate the electrical device 10 under the touch of the capacitive touch unit 12.

[0028] The output unit 19 is electrically connected to the driving unit 18 to operate by being driven by the driving unit 18. For example, the output unit 19 can be a light bulb or an LED light strip of a lamp; it can also be a DC motor of an electric massager, or a DC motor of a mobile fan; if it is a rechargeable heating pack, the output unit 19 is a heating wire, and the driving unit 18 is a heating device.

[0029] See also Figure 4 and Figure 6 As shown, Figure 6 The schematic diagram of the utility model is a bedside lamp with built-in battery as an embodiment. The bedside lamp base of the embodiment is lined with an insulating material (such as plastic), and the touch point 15 formed by the metal lamp body and the analog ground unit 13 formed by the metal base are isolated to form an open circuit state, and then the negative electrode (-) of the battery 11 is connected to the analog ground unit 13, and the capacitive touch unit 12 can use the metal lamp holder as the touch point 15 and form a charge transfer path 161 with the analog ground unit 13 and the human body parasitic capacitance 151.

[0030] See also Figure 4 and Figure 7 As shown, Figure 7The schematic diagram of the utility model is a touch desk lamp with a built-in battery. In this embodiment, the desk lamp base is lined with an insulating material (such as plastic), the lampshade of the LED light source is made of metal material as the simulated grounding unit 13, and the negative electrode (-) of the battery 11 is connected to the simulated grounding unit 13, and the capacitive touch unit 12 can use the metal lamp holder as the touch point 15, and then a charge transfer path 161 is formed by the simulated grounding unit 13 and the parasitic capacitance 151 of the human body.

[0031] See also Figure 4 and Figure 8 As shown, Figure 8 The schematic diagram of the utility model is a handheld massager with a built-in battery as an embodiment. In this embodiment, the handle of the handheld massager is an insulating material, and a metal sheet is attached to the inner layer of the handle shell as an analog grounding unit 13, and then the negative electrode (-) of the battery 11 is connected to the analog grounding unit 13, and the capacitive touch unit 12 can be provided with a metal plate as a touch point 15 on the outer layer of the handle shell, so that the analog grounding unit 13 and the human body parasitic capacitance 151 form a charge transfer path 161. This embodiment can realize the function of forming a large-area touch perception to start the motor operation while holding the shell, which cannot be achieved with the current traditional massager.

[0032] See also Figure 4 and Fig. 9 As shown, Fig. 9 The schematic diagram of the utility model is a rechargeable heating pack as an embodiment. In this embodiment, the shell of the rechargeable heating pack is an insulating material, and a metal sheet is attached to the inner layer of the shell as a simulated grounding unit 13, and then the negative electrode (-) of the battery 11 is connected to the simulated grounding unit 13, and the capacitive touch unit 12 can use a metal plate or a heating wire as a touch point 15, so that the simulated grounding unit 13 and the human body parasitic capacitance 151 form a charge transfer path 161.

[0033] In summary, the present invention fully illustrates through multiple embodiments that a common ground loop is formed by simulating grounding, so that a charge transfer path is formed between the parasitic capacitance touched by the human body and the common ground loop, thereby achieving the purpose of using capacitive touch technology in battery-powered electrical devices.

Claims

1. A battery-powered capacitive touch-controlled electrical device, characterized in that: The electrical device comprises: A battery to provide the power required by the electrical device; A capacitive touch unit, comprising at least one touch point for a human body to touch; and An analog grounding unit is electrically connected to the negative electrode of the battery and forms a common ground loop with the touch point, so that a parasitic capacitance generated when a human body touches the touch point forms a charge transfer path with the common ground loop, and performs charge transfer to generate a touch signal to control the electrical device.

2. The battery-powered capacitive touch-controlled electrical device according to claim 1, wherein: The battery is a rechargeable battery and also includes a charging unit for connecting to an external power source to charge the battery.

3. The battery-powered capacitive touch-controlled electrical device as claimed in claim 2, characterized in that: Also includes: A power supply unit is used to capture the battery or the external power to supply the power required by the electrical device.

4. The battery-powered capacitive touch-controlled electrical device according to claim 1, wherein: The touch point is a metal shell of the electrical device, a metal heating wire arranged in the electrical device, or a plurality of metal points arranged on the electrical device.

5. The battery-powered capacitive touch-controlled electrical device according to claim 1, wherein: The simulated grounding unit is a metal base of the electrical device, and an insulating lining is arranged inside.

6. The battery-powered capacitive touch-controlled electrical device as claimed in claim 1, characterized in that: The simulated grounding unit is a metal sheet attached to the inner layer of the housing of the electrical device.

7. The battery-powered capacitive touch-controlled electrical device as claimed in claim 3, characterized in that: The electrical device further comprises a driving unit electrically connected to the power supply unit and the capacitive touch unit, for driving the electrical device to operate with the power provided by the power supply unit and for operating the electrical device to operate under the touch of the capacitive touch unit.

8. The battery-powered capacitive touch-controlled electrical device as claimed in claim 7, characterized in that: The electrical device also includes an output unit electrically connected to the driving unit for operating by being driven by the driving unit.

9. The battery-powered capacitive touch-controlled electrical device as claimed in claim 8, characterized in that: The output unit is a light bulb, an LED light bar or a DC motor.

10. The battery-powered capacitive touch-controlled electrical device as claimed in claim 8, characterized in that: The output unit is a heating wire, and the driving unit is a heating device.

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