CN110045646A - A kind of more key self-power wireless emitters - Google Patents

Abstract

The invention discloses a multi-button self-powered wireless transmitting device, comprising a box body, wherein a self-powered module, a control chip, a communication module and a plurality of switch modules are installed in the box body, and the switch modules include buttons, micro-motion Switches, controlled switches, and capacitors. The invention effectively improves the utilization rate of the electric energy generated by the self-power supply module through the arrangement of the controlled switch and the capacitor. When the button is pressed, the micro-switch is closed, and the self-power supply module generates electric energy to charge the capacitor at the same time. At this time, the control chip starts first, identifies the closed micro switch, and then the control chip sends a signal to the controlled switch to close the controlled switch. At this time, the self-power supply module and the capacitor supply power to the communication module at the same time, so that the communication module is started and fully The electric energy generated by the self-power supply module is utilized effectively, and the device is only equipped with one self-power supply module, which effectively reduces the production cost of the device.

Description

A multi-button self-powered wireless transmitter

technical field

The present invention relates to the technical field of wireless communication devices, and more particularly to a multi-button self-powered wireless transmitting device.

Background technique

The so-called self-powering technology is a technology that relies on the device itself to provide power to realize the function of the device. The self-powering technology does not require wiring and does not require batteries. It is favored by more and more customers, such as self-generating wireless doorbell applications. When the user's finger touches Press the switch, the built-in power generation module generates electricity instantly, and then activates the communication module to send the doorbell signal to the indoor doorbell response device.

With the development of smart homes, self-powered wireless switches need to handle a larger number of electronic system devices, such as controlling multiple LED lights. Single-button self-powered wireless switches will not be up to the challenges of the future. With the increase in the number of buttons, relying on the same number of power generation modules as the number of buttons is the most direct way to achieve multi-button self-power supply, but it will increase the complexity of the switch and reduce its economy.

The current multi-button wireless transmitter device with a single power generation module needs to overcome the following performance challenges. The first button identification needs to be accurate, the button power generation process is extremely short, and the button contact process is even instantaneous. In the traditional method, the multi-button button signal usually requires For the MCU that has been powered on and activated, as time goes on, when the power generation efficiency of the self-power supply module decreases, it is very likely that the key recognition will be lost; the power generation energy of the second self-generating device is extremely limited, and the energy utilization rate needs to be improved, which will be limited. energy to improve signal transmission performance.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a multi-button self-powered wireless transmitting device.

The solution that the present invention solves its technical problem is:

A multi-button self-powered wireless transmitting device, comprising a box body, wherein a self-powered module, a control chip, a communication module and a number of switch modules are installed in the box body, the switch modules include buttons, micro switches, controlled a switch and a capacitor, the self-power supply module is electrically connected to the control chip and the communication module respectively, the control chip is connected to the communication module, one end of the micro switch is connected to the self-power supply module, and the The other end is grounded through the capacitor. The input end of the control chip is connected to the connection point between the micro switch and the capacitor. The controlled switch includes a control end and two connection ends. The control end of the controlled switch is connected to the control end of the control chip. The output end is connected, one connection end of the controlled switch is connected to the connection point of the micro switch and the capacitor, the other connection end of the controlled switch is connected to the communication module, and the button and the micro switch are assembled in the At the same time, the micro switch is closed with the pressing action of the button, the button is assembled with the self-power supply module, and the self-power supply module generates electric energy with the pressing action of the button.

As a further improvement of the above technical solution, the communication module is a radio frequency communication module or an infrared communication module or a Bluetooth communication module.

As a further improvement of the above technical solution, the self-power supply module realizes the power generation function based on the principle of electromagnetic induction.

As a further improvement of the above technical solution, the self-powered module includes a permanent magnet, a magnetic core, a coil, a first support and a first connecting rod, the switch module further includes a second support and a second connecting rod, and the wire The snare is set on the magnetic core, the first support column is set on the top of the magnetic core, the middle part of the first link is hinged with the top of the first support column, the second support column is fixed on the box body, and the second connection The middle part of the rod is hinged with the top of the second strut, one end of the second link is arranged below one end of the first link, the other end of the second link is installed with a button, and the first link is A permanent magnet is installed on the other end of the rod, one end of the coil is used as a power supply terminal and is connected to the control chip, the communication module and the switch module respectively, and the other end of the coil is used as a ground terminal.

The beneficial effects of the present invention are: the present invention effectively improves the utilization rate of the electric energy generated by the self-power supply module through the setting of the controlled switch and the capacitor. The electric energy is used to charge the capacitor. At this time, the control chip starts first, identifies the closed micro switch, and then the control chip sends a signal to the controlled switch to close the controlled switch. At this time, the self-power supply module and the capacitor supply power to the communication module at the same time. , the communication module is activated, the electric energy generated by the self-power supply module is fully utilized, and the device is configured with only one self-power supply module, which effectively reduces the production cost of the device.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly describes the accompanying drawings that are used in the description of the embodiments. Obviously, the described drawings are only a part of the embodiments of the present invention, but not all of the embodiments, and those skilled in the art can obtain other design solutions and drawings according to these drawings without creative work.

Fig. 1 is the circuit schematic diagram of the present invention;

FIG. 2 is a schematic diagram of the device structure of the present invention.

Detailed ways

The concept, specific structure and technical effects of the present invention will be clearly and completely described below with reference to the embodiments and accompanying drawings, so as to fully understand the purpose, features and effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, other embodiments obtained by those skilled in the art without creative work belong to The scope of protection of this application. In addition, all connection relationships mentioned in the text do not mean that the components are directly connected, but refer to a better connection structure that can be formed by adding or reducing connection accessories according to specific implementation conditions. Various technical features in the present invention can be combined interactively on the premise of not contradicting each other. Finally, it should be noted that the orientation or positional relationship indicated by the terms “center, upper, lower, left, right, vertical, horizontal, inner, outer” in the text is based on the orientation or positional relationship shown in the accompanying drawings, only It is for the convenience of describing the technical solution and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present application.

1 to 2 , the present application discloses a multi-button self-powered wireless transmitting device, the first embodiment of which includes a box body 100, and the box body 100 is installed with a self-powered module, a control chip, a communication module and several A switch module, the switch module includes a button 301, a micro switch 302, a controlled switch 303 and a capacitor 304, and the power supply terminal of the self-power supply module is electrically connected to the power supply terminal of the control chip and the power supply terminal of the communication module, respectively. The control chip is connected with the communication module to realize data transmission, one end of the micro switch 302 is connected with the power supply end of the self-power supply module, the other end of the micro switch 302 is grounded through the capacitor 304, and the The input terminal of the control chip is connected to the connection point of the micro switch 302 and the capacitor 304 to identify the pressed button 301. The controlled switch 303 includes a control terminal and two connection terminals. The control terminal is connected with the output terminal of the control chip to receive the control signal of the control chip. One connection terminal of the controlled switch 303 is connected to the connection point between the micro switch 302 and the capacitor 304, and the other terminal of the controlled switch 303 is connected to the connection point of the micro switch 302 and the capacitor 304. One connection end is connected with the communication module, the button 301 is assembled with the micro switch 302, the micro switch 302 is closed with the pressing action of the button 301, the button 301 is assembled with the self-power supply module, so the The self-powered module generates electric energy with the pressing action of the button 301 .

Specifically, in this embodiment, through the setting of the controlled switch 303 and the capacitor 304, the utilization rate of the electric energy generated by the self-power supply module is effectively improved. When the button 301 is pressed, the micro switch 302 is closed, and The power supply module generates electric energy and charges the capacitor 304. At this time, the control chip starts first, and identifies the closed micro switch 302. After that, the control chip sends a signal to the controlled switch 303 to close the controlled switch 303. At this time, the self-power supply module and the The capacitor 304 simultaneously supplies power to the communication module to enable the communication module to fully utilize the electric energy generated by the self-power supply module, and the device is equipped with only one self-power supply module, which effectively reduces the production cost of the device.

As a further preferred implementation manner, in this embodiment, the communication module is a radio frequency communication module or an infrared communication module or a Bluetooth communication module.

As a further preferred embodiment, in this embodiment, the self-power supply module realizes the power generation function based on the principle of electromagnetic induction.

Specifically, in this embodiment, the self-powered module includes a permanent magnet 201 , a magnetic core 202 , a coil, a first strut 203 and a first link 204 , and the switch module further includes a second strut 305 and a second link Rod 306, the coil is sleeved on the magnetic core 202, the first pillar 203 is arranged on the top of the magnetic core 202, the middle of the first link 204 is hinged with the top of the first pillar 203, and the second pillar 305 is fixed on the box body 100, the middle of the second link 306 is hinged with the top of the second support 305, and one end of the second link 306 is set below one end of the first link 204, so A button 301 is installed at the other end of the second link 306, a permanent magnet 201 is installed at the other end of the first link 204, the micro switch 302 is arranged below the button 301, and one end of the coil is used as a power supply The ends are respectively connected with the control chip, the communication module and the switch module, and the other end of the coil serves as a grounding end. When a certain button 301 is pressed, the micro switch 302 is closed, the second link 306 rotates around the hinge point with the second pillar 305 , and drives the first link 204 around the hinge point with the first pillar 203 Rotation makes the permanent magnet 201 move. At this time, the magnetic flux of the electromagnet composed of the magnetic core 202 and the coil changes, and the electric energy is output to the outside to realize the self-generating function.

The preferred embodiments of the present application have been specifically described above, but the present application is not limited to the examples. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention. Equivalent modifications or substitutions are included within the scope defined by the claims of the present application.

Claims (4)

1. A multi-button self-powered wireless transmitting device, characterized in that: comprising a box body (100), wherein a self-power supply module, a control chip, a communication module and several switch modules are installed in the box body (100), so that The switch module includes a button (301), a micro switch (302), a controlled switch (303) and a capacitor (304), and the self-power supply module is electrically connected to a control chip and a communication module respectively, and the control chip is electrically connected to the The communication module is connected, one end of the micro switch (302) is connected to the self-powered module, the other end of the micro switch (302) is grounded through the capacitor (304), and the input end of the control chip is connected to the micro switch (304). The connection point between the moving switch (302) and the capacitor (304), the controlled switch (303) includes a control terminal and two connection terminals, and the control terminal of the controlled switch (303) is connected with the output terminal of the control chip , one connection end of the controlled switch (303) is connected to the connection point between the micro switch (302) and the capacitor (304), and the other connection end of the controlled switch (303) is connected to the communication module, so The button (301) is assembled with the micro switch (302), the micro switch (302) is closed with the pressing action of the button (301), and the button (301) is assembled with the self-power supply module, so the The self-power supply module generates electric energy along with the pressing action of the button (301). 2 . The multi-button self-powered wireless transmitter according to claim 1 , wherein the communication module is a radio frequency communication module or an infrared communication module or a Bluetooth communication module. 3 . 3 . The multi-button self-powered wireless transmitter according to claim 1 , wherein the self-powered module realizes the power generation function based on the principle of electromagnetic induction. 4 . 4. A multi-button self-powered wireless transmitter according to claim 3, wherein the self-powered module comprises a permanent magnet (201), a magnetic core (202), a coil, a first support (203) and A first connecting rod (204), the switch module further includes a second support (305) and a second connecting rod (306), the coil is sleeved on the magnetic core (202), the first support (203) ) is arranged on the top of the magnetic core (202), the middle of the first link (204) is hinged with the top of the first support (203), and the second support (305) is fixed on the box (100), so The middle part of the second link (306) is hinged with the top of the second strut (305), one end of the second link (306) is arranged below one end of the first link (204), the A button (301) is installed on the other end of the second connecting rod (306), a permanent magnet (201) is installed on the other end of the first connecting rod (204), and one end of the coil is used as a power supply terminal to connect with the control chip, The communication module and the switch module are connected, and the other end of the coil serves as a ground terminal.