CN219017087U

CN219017087U - Ultra-small-size 2.4G touch wireless transmitter

Info

Publication number: CN219017087U
Application number: CN202223195367.2U
Authority: CN
Inventors: 羊红军; 谢炎军
Original assignee: Dongguan Yaoyouguang Technology Co ltd
Current assignee: Dongguan Yaoyouguang Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-12
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to a touch wireless transmitter with ultra-small size of 2.4G, which comprises a control module arranged in a touch surface ring, wherein the control module is provided with a wireless transceiver chip U1, a touch detection circuit, a key, a crystal oscillator X1, a triode Q1 and a light-emitting diode D1, and the touch detection circuit, the key, the crystal oscillator X1, the triode Q1 and the light-emitting diode D1 are all connected with the wireless transceiver chip U1 to realize touch wireless signal transmission. The ultra-small-size 2.4G touch wireless transmitter disclosed by the utility model has the advantages of small and flexible structure, convenience in installation, no influence on the overall aesthetic degree when being installed on a cabinet, and high efficiency and energy saving.

Description

Ultra-small-size 2.4G touch wireless transmitter

Technical Field

The utility model relates to the technical field of wireless control switches, in particular to a 2.4G touch wireless transmitter with an ultra-small size.

Background

Along with the development of economic technology and the improvement of living standard of people, the intelligent home is increasingly used, wherein, the installation of lamps and lanterns in the cupboard is just one kind of intelligent home, in order to make things convenient for the installation and the control of lamps and lanterns, the existing RF2.4 touch transmitter in the near-distance wireless communication field is applied to switch lighting circuit, and the general bigger of current RF2.4G wireless touch transmitter size, minimum diameter is more than 35 millimeters, and the installation size is too big, needs big trompil size, has increased the construction degree of difficulty, can influence the whole aesthetic measure of cupboard after the installation.

Accordingly, there is a need to provide a 2.4G ultra-small size touch wireless transmitter to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to overcome the defects and the defects of the prior art, and provides the ultra-small-size 2.4G touch wireless transmitter which is small and flexible in structure, convenient to install, free from influencing the overall aesthetic degree when installed on a cabinet, and capable of achieving the effects of high efficiency and energy conservation.

The aim of the utility model is realized by the following technical scheme:

the utility model provides a touch wireless transmitter of ultra-small size 2.4G, includes installs the inside control module of touch face ring, control module is provided with wireless transceiver chip U1, touch detection circuit, button, crystal oscillator X1, triode Q1 and emitting diode D1, just touch detection circuit, button, crystal oscillator X1, triode Q1 and emitting diode D1 all with wireless transceiver chip U1 is connected, realizes touching wireless signal transmission.

As a preferable embodiment of the present utility model, the wireless transceiver chip U1 is set as an LT6601 wireless transceiver chip.

As a preferred solution of the present utility model, the touch detection circuit is provided with a touch detection chip U2, capacitors C1, C2, C3, C4, C5, C8, and resistors R1, R2, a pin TPQ0 of the touch detection chip U2 is connected to a pin PA2 of the wireless transceiver chip U1, a pin TPQ1 of the touch detection chip U2 is connected to a pin PA3 of the wireless transceiver chip U1, the capacitors C1, C2, C3 are connected in parallel with each other, one end of the capacitors C1, C2, C3 is connected in series with the capacitor C8 and grounded, the other end of the capacitors C1, C2, C3 is connected to a power supply voltage VCC, the capacitor C8 is connected to a pin TP0 of the touch detection chip U2, one end of the resistor R1 is connected between the touch detection chip U2 and the capacitor C8, the other end of the resistor R1 is connected to a net wire port2, one end of the resistor R2 is connected to a pin VDD of the touch detection chip U2, the other end of the resistor R2 is connected to the capacitor C4, and the other end of the capacitor C4 is connected in parallel with the capacitor C5, and the other end of the capacitor is connected to the capacitor C4 is connected in parallel with the capacitor C4.

As a preferable technical scheme of the utility model, the key is provided with a key S1 and a key S2, a pin No. 3 of the key S1 is connected with a pin PA1 of the wireless transceiver chip U1, a pin No. 1 of the key S2 is connected with a pin PA0 of the wireless transceiver chip U1, and a pin No. 1 of the key S1 is connected with a pin No. 3 of the key S2.

As a preferable technical scheme of the utility model, the pin 1 of the crystal oscillator X1 is connected with the pin XTALO of the wireless transceiver chip U1, the pin 3 of the crystal oscillator X1 is connected with the pin XTALI of the wireless transceiver chip U1, and the

pins

2 and 4 of the crystal oscillator X1 are grounded.

As a preferable technical scheme of the utility model, the emitter of the triode Q1 is connected with a power supply voltage VCC, the base of the triode Q1 is connected with a resistor R4, the other end of the resistor R4 is connected with a pin PC5 of the wireless transceiver chip U1, the collector of the triode Q1 is connected with a resistor R5, the other end of the resistor R5 is connected with a pin VDD-IO of the wireless transceiver chip U1, a capacitor C6 is connected between the resistor R5 and the wireless transceiver chip U1, and the other end of the capacitor C6 is grounded.

As a preferable solution of the present utility model, the positive electrode of the light emitting diode D1 is connected to a power supply voltage, the negative electrode of the light emitting diode D1 is connected to a resistor R3, and the other end of the resistor R3 is connected to a pin PC4 of the wireless transceiver chip U1.

As a preferable embodiment of the present utility model, the pin ANT of the wireless transceiver chip U1 is connected to an inductor L1 for adjusting the circuit impedance, and the other end of the inductor L1 is connected to an antenna.

As a preferable embodiment of the present utility model, the diameter of the touch surface ring is set to 25mm.

As a preferable technical scheme of the utility model, the transmitter is further provided with a spacer, a rotary cover and an open mount base, wherein the spacer is installed in the rotary cover, the rotary cover is clamped at the lower end of the touch surface ring, and the lower part of the touch surface ring is embedded in the open mount base.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the LT6601 wireless transceiver chip is adopted, and the MCU and the RF2.4G are integrated in one chip, so that the diameter of the touch surface ring is only 25mm, the touch surface ring is small and flexible, and the integral effect is not influenced when the touch surface ring is installed on a cabinet.

2. The utility model can be applied to furniture with requirements in a post-loading mode without wiring on the furniture, and the diameter is smaller, so that the hole opening is easier and the installation is more convenient.

3. The product of the utility model adopts an independent touch module, and the MCU and the 2.4G part do not consume electricity at ordinary times, thereby being more efficient and energy-saving.

Drawings

Fig. 1 is a schematic circuit diagram of a transmitter of the present utility model.

Fig. 2 is a schematic structural diagram of a first embodiment of the present utility model.

Fig. 3 is a schematic diagram of a split structure according to a first embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of a second embodiment of the present utility model.

Wherein the above figures include the following reference numerals:

1. the touch panel comprises a touch panel ring, 2, a control module, 3, a spacer, 4, a rotary cover, 5 and a surface mount base.

Detailed Description

The present utility model will be described in further detail with reference to examples and drawings, but embodiments of the present utility model are not limited thereto.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 4, the present utility model is embodied as follows: the ultra-small-size 2.4G touch wireless transmitter comprises a control module 2 arranged in a touch surface ring 1, wherein a wireless transceiver chip U1, a touch detection circuit, a key, a crystal oscillator X1, a triode Q1 and a light-emitting diode D1 are arranged on the control module 2, the touch detection circuit, the key, the crystal oscillator X1, the triode Q1 and the light-emitting diode D1 are all connected with the wireless transceiver chip U1, a touch signal is detected through the touch detection circuit, the touch signal is converted into a high-low voltage level, and the touch signal is high when the touch signal is not available; when the touch signal is detected, the touch signal is in a low level, and the wireless transceiver chip can quickly convert the control signal into a 2.4G signal after receiving the signal and can achieve the purpose of controlling equipment by transmitting the control signal.

Specifically, the wireless transceiver chip U1 is set as an LT6601 wireless transceiver chip, which is a low-cost and high-integration 2.4GhzSOC wireless transceiver chip, and simultaneously integrates a transmitter, a receiver, a frequency synthesizer, a GFSK modem and a low-power MCU on the chip, so that two important parts of main control MCU and 2.4G communication are integrated into one chip, the space is saved, the main control MCU receives a touch signal, and the control signal is converted into a wireless signal to be sent out according to the touch signal, thereby controlling other wireless receiving devices; in addition, the LT6601 reduces power consumption in all links in order to provide battery service life on the system, and the transmitter has a keyless automatic dormancy function, and is efficient and energy-saving.

Specifically, the touch detection circuit is provided with a touch detection chip U2, capacitors C1, C2, C3, C4, C5, C8 and resistors R1 and R2, a pin TPQ0 of the touch detection chip U2 is connected with a pin PA2 of the wireless transceiver chip U1, the pin TPQ1 is connected with a pin PA3 of the wireless transceiver chip U1, the capacitors C1, C2 and C3 are connected in parallel, one ends of the capacitors C1, C2 and C3 are connected in series with the capacitor C8 and grounded, the other ends of the capacitors C1 and C3 are connected with a power supply voltage VCC, the other ends of the capacitors C8 are connected with a pin TP0 of the touch detection chip U2, one end of a resistor R1 is connected between the touch detection chip U2 and the capacitor C8, the other ends of the resistor R2 are connected with a net wire port netPort2, one end of the resistor R2 is connected with a pin VDD of the touch detection chip U2, the other ends of the resistor R2 is connected with the power supply voltage VCC, the capacitor C4 is connected in parallel with the capacitor C5, and one ends of the capacitors C4 and C5 are connected between the touch detection chip U2 and the resistor R2 and grounded. The touch detection chip U2 is set to be PT2049, a 2-key touch detection chip is provided, a voltage stabilizing circuit is built in the chip, stable voltage can be provided for the touch circuit, meanwhile, a high-efficiency perfect touch detection algorithm is integrated in the chip, the chip has a stable touch detection effect, a plurality of voltages are connected in parallel and grounded outside the touch detection chip, touch sensitivity can be adjusted, and meanwhile, the high anti-interference effect of filtering is also achieved.

Specifically, since the touch detection chip U2 is a 2-key touch detection chip, the key is provided with the key S1 and the key S2, the pin No. 3 of the key S1 is connected with the pin PA1 of the wireless transceiver chip U1, the pin No. 1 of the key S2 is connected with the pin PA0 of the wireless transceiver chip U1, and the pin No. 1 of the key S1 is connected with the pin No. 3 of the key S2.

Specifically, pin 1 of the crystal oscillator X1 is connected to pin XTALO of the wireless transceiver chip U1, pin 3 is connected to pin XTALO of the wireless transceiver chip U1, and

pins

2 and 4 are grounded. The crystal oscillator X1 is a 12MHz crystal oscillator, which utilizes the mechanical resonance of a vibration crystal made of piezoelectric material to generate an electric signal with specific frequency, an electronic unit capable of repeating 12 ten thousand vibrations per second is generated, when a human body touches a key, the equivalent capacitance generated between the human body and the ground changes the capacitance value between crystal plates at two ends of the crystal oscillator X, so as to influence the frequency of an output square wave of the crystal oscillator X, thereby converting the touch action of the human body on the induction key into the change of the electric signal, the wireless transceiver chip U1 controls the touch detection of the touch detection chip U2 on the induction touch part by detecting the change of the electric signal to generate low-level output, and the wireless transceiver chip U1 converts the control signal into a 2.4G signal to be transmitted from an ANT port, so that the wireless control is realized.

Specifically, the emitter of the triode Q1 is connected with a power supply voltage VCC, the base is connected with a resistor R4, the other end of the resistor R4 is connected with a pin PC5 of the wireless transceiver chip U1, the collector of the triode Q1 is connected with a resistor R5, the other end of the resistor R5 is connected with a pin VDD-IO of the wireless transceiver chip U1, a capacitor C6 is connected between the resistor R5 and the wireless transceiver chip U1, and the other end of the capacitor C6 is grounded. The triode Q1 adopts 2N3906, is a PNP triode, plays a role in amplifying electric signals, and can amplify weak signals into electric signals with larger amplitude values.

Specifically, the positive electrode of the light emitting diode D1 is connected to the power supply voltage VCC, the negative electrode is connected to the resistor R3, and the other end of the resistor R3 is connected to the pin PC4 of the wireless transceiver chip U1. The light emitting diode D1 is set to be blue, and functions as an indicator lamp.

Specifically, the inductor L1 is connected to the pin ANT of the wireless transceiver chip U1, and the antenna is connected to the other end of the inductor L1, so that the impedance in the circuit can be adjusted, and the wireless signal can be enhanced.

Specifically, because the LT6601 wireless transceiver chip is selected, a plurality of functional electrical components are integrated in the wireless transceiver chip, the space is effectively saved, the diameter of the touch surface ring is set to 25mm, the wireless transmitter can be perfectly installed, the size of an installation opening can be reduced, the installation difficulty is reduced, and the integral effect of the cabinet is not influenced after the installation.

Embodiment one:

the utility model is installed in an open mounting mode, as shown in fig. 2-3, the transmitter is further provided with a separation sheet 3, a rotary cover 4 and an open mounting base 5, wherein a spring, an elastic sheet and a key are further arranged between the touch surface ring 1 and the control module 2, the upper end of the spring is in contact with the touch surface of the touch surface ring 1, the spring is connected with the key and the elastic sheet, the control module is fixed on the elastic sheet and is connected with the key, the separation sheet 3 is installed in the rotary cover 4, the rotary cover 4 is clamped at the lower end of the touch surface ring 1, a certain flame retardant effect is achieved, the open mounting base 5 is fixed on a cabinet through a screw, and then the lower part of the touch surface ring 1 is embedded in the open mounting base 5, so that the installation can be completed.

Embodiment two:

compared with the first embodiment, the utility model is installed in an embedded mode, as shown in fig. 4, the exposed base is removed, only a hole site with the same size as the touch surface ring is arranged on the cabinet furniture, the bottom of the installed touch wireless transmitter is completely embedded in the hole site, the installation is convenient, and the integral attractive appearance of the cabinet is not affected.

The foregoing examples merely illustrate embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a touch wireless transmitter of ultra-small size 2.4G, its characterized in that, including installing at the inside control module of touch-surface ring, control module is provided with wireless transceiver chip U1, touch detection circuit, button, crystal oscillator X1, triode Q1 and emitting diode D1, just touch detection circuit, button, crystal oscillator X1, triode Q1 and emitting diode D1 all with wireless transceiver chip U1 connects, realizes touching wireless signal transmission.

2. The ultra-small-sized 2.4G touch wireless transmitter according to claim 1, wherein the wireless transceiver chip U1 is configured as an LT6601 wireless transceiver chip.

3. The ultra-small-sized 2.4G touch wireless transmitter according to claim 1, wherein the touch detection circuit is provided with a touch detection chip U2, capacitors C1, C2, C3, C4, C5, C8 and resistors R1, R2, a pin TPQ0 of the touch detection chip U2 is connected with a pin PA2 of the wireless transceiver chip U1, a pin TPQ1 of the touch detection chip U2 is connected with a pin PA3 of the wireless transceiver chip U1, the capacitors C1, C2, C3 are connected in parallel, one ends of the capacitors C1, C2, C3 are connected in series with the capacitor C8 and grounded, the other ends of the capacitors C1, C2, C3 are connected with a power supply voltage VCC, the capacitor C8 is connected with a pin TP0 of the touch detection chip U2, one end of the resistor R1 is connected between the touch detection chip U2 and the capacitor C8, a wire port2 is connected with the other end of the resistor R1, one end of the resistor R2 is connected with the other end of the capacitor C4, and the other end of the resistor C2 is connected with the capacitor C5, and the other end of the capacitor is connected with the capacitor C4 is connected in parallel.

4. The ultra-small-sized 2.4G touch wireless transmitter according to claim 1, wherein the key is provided with a key S1 and a key S2, pin No. 3 of the key S1 is connected with pin PA1 of the wireless transceiver chip U1, pin No. 1 of the key S2 is connected with pin PA0 of the wireless transceiver chip U1, and pin No. 1 of the key S1 is connected with pin No. 3 of the key S2.

5. The ultra-small-sized 2.4G touch wireless transmitter according to claim 1, wherein pin 1 of the crystal oscillator X1 is connected to pin XTALO of the wireless transceiver chip U1, pin 3 of the crystal oscillator X1 is connected to pin XTALO of the wireless transceiver chip U1, and pins 2 and 4 of the crystal oscillator X1 are grounded.

6. The ultra-small-sized 2.4G touch wireless transmitter according to claim 1, wherein an emitter of the triode Q1 is connected with a power supply voltage VCC, a base of the triode Q1 is connected with a resistor R4, the other end of the resistor R4 is connected with a pin PC5 of the wireless transceiver chip U1, a collector of the triode Q1 is connected with a resistor R5, the other end of the resistor R5 is connected with a pin VDD-IO of the wireless transceiver chip U1, a capacitor C6 is connected between the resistor R5 and the wireless transceiver chip U1, and the other end of the capacitor C6 is grounded.

7. The ultra-small-sized 2.4G touch wireless transmitter according to claim 1, wherein an anode of the light emitting diode D1 is connected with a power supply voltage, a cathode of the light emitting diode D1 is connected with a resistor R3, and the other end of the resistor R3 is connected with a pin PC4 of the wireless transceiver chip U1.

8. The ultra-small-sized 2.4G touch wireless transmitter according to claim 1, wherein a pin ANT of the wireless transceiver chip U1 is connected with an inductor L1 for adjusting circuit impedance, and the other end of the inductor L1 is connected with an antenna.

9. The ultra-small 2.4G touch wireless transmitter of claim 1, wherein the touch surface loop diameter is set to 25mm.

10. The ultra-small-sized 2.4G touch wireless transmitter according to claim 1, wherein the transmitter is further provided with a spacer, a rotary cover and a surface mount base, the spacer is mounted in the rotary cover, the rotary cover is clamped at the lower end of the touch surface ring, and the lower part of the touch surface ring is embedded in the surface mount base.