CN215581116U

CN215581116U - Remote wireless transmitter

Info

Publication number: CN215581116U
Application number: CN202121915266.0U
Authority: CN
Inventors: 林圳
Original assignee: Shenzhen Xingkechuang Technology Co ltd
Current assignee: Shenzhen Xingkechuang Technology Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-01-18
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a long-distance wireless transmitter, which relates to the field of signal transmission, and comprises: the power supply conversion module is used for outputting stable 3.3V voltage and supplying the voltage to the program downloading port, the main control module and the wireless module; the main control module is used for receiving information detected by the sensor through the sensor input interface and communicating with the wireless module when the sensor outputs low level to the main control module; compared with the prior art, the utility model has the beneficial effects that: the utility model can transmit signals through radio waves, thereby saving the wiring cost and the wiring difficulty; the process control device can be applied to process control in industrial equipment, and can transmit signals of sensors in the equipment to other machines through wireless transmission; the wireless transmitter can be applied to automatic water replenishing of a water tower, and when the wireless transmitter detects that the water tower is lack of water, a signal is sent to the receiver to control the water pump to replenish water; the wiring is very simple and clear, clear and simple.

Description

Remote wireless transmitter

Technical Field

The utility model relates to the field of signal transmission, in particular to a long-distance wireless transmitter.

Background

The radio transmitter is composed of a high-frequency carrier oscillator capable of generating constant-amplitude oscillation and a low-frequency oscillator for generating low-frequency modulation signal. The circuits used to generate carrier frequency vibrations and modulated oscillations typically have: multivibrators, complementary oscillators, and quartz crystal oscillators, among others.

The existing products in the market are all input by digital signals or analog signals, the transmission distance is short, and the distance is only 10 meters under general conditions; only digital signals or analog signals can be transmitted; only 1 path or 2 paths of input are available; crosstalk is easy to occur between the wireless controller and the wireless controller; the anti-interference ability is poor, and the anti-interference ability is easy to be interfered by external electromagnetic waves, so that the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a remote wireless transmitter to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

a remote wireless transmitter comprises a filter inductor, an isolation transformer, a power interface, a sensor input interface, an indicator light, an isolation optocoupler, a program downloading port, a main control chip, a wireless module and a pairing key; wherein:

the power conversion module consists of a filter inductor, an isolation transformer and a power interface, is used for outputting stable 3.3V voltage and supplying the voltage to the program downloading port, the main control module and the wireless module;

the main control module consists of a pairing key, an isolation optocoupler, a main control chip and an indicator light and is used for receiving information detected by the sensor through the sensor input interface and communicating with the wireless module when the sensor outputs a low level to the main control module;

the wireless module is used for receiving the information input by the main control module, sending the information out and carrying out remote communication;

the program downloading port is used for updating the program through an external interface when the program needs to be updated, so that the main control chip is prevented from being taken down for burning;

the voltage conversion module is connected with the main control module, the wireless module and the program downloading port, the main control module is connected with the wireless module, and the program downloading port is connected with the main control module.

As a still further scheme of the utility model: the power conversion module comprises an integrated circuit U8 and a voltage stabilizer U2, a pin 5 of the integrated circuit U8 is connected with the anode of a diode D4 and the fourth end of a transformer T1, a pin 4 of the integrated circuit U8 is connected with the anode of a diode D3, a resistor R6 and the fifth end of the transformer T1, a pin 3 of the integrated circuit U8 is connected with the other end of the resistor R6, the cathode of the diode D3 is connected with the cathode of the diode D4, the third end of the transformer T1 is connected with the anode of the diode D2, the cathode of the diode D2 is connected with an inductor L1, the other end of the inductor L1 is connected with a pin 2 of the voltage stabilizer U2, the first end of the transformer T1 is connected with a pin 1 of the voltage stabilizer U2, and the pin 1 of the voltage stabilizer U2 is grounded.

As a still further scheme of the utility model: the main control module comprises an optical coupler U4, an optical coupler U5, an optical coupler U6, an optical coupler U7, an integrated circuit U3 and a diode LED1, wherein one end of an input end of the optical coupler U4 is connected with a pin No. 2 of a terminal J6 through a resistor R11, the other end of the input end of the optical coupler U4 is connected with a pin No. 4 of the terminal J4, one end of an output end of the optical coupler U4 is connected with a pin No. 17 of the integrated circuit U4, one end of an input end of the optical coupler U4 is connected with a pin No. 2 of the terminal J4 through a resistor R4, the other end of the input end of the optical coupler U4 is connected with a pin No. 6 of the terminal J4, one end of an output end of the optical coupler U4 is connected with a pin No. 16 of the integrated circuit U4, one end of an input end of the optical coupler U4 is connected with a pin No. 2 of the terminal J4 through a resistor R4, the other end of the terminal J4 of the optical coupler U4, one end of the output end of the optical coupler U4 is connected with a pin No. 8 of the terminal J4, no. 10 pin of input other end connecting terminal J6 of opto-coupler U7, No. 14 pin of integrated circuit U3 is connected to opto-coupler U7's output one end, No. 1 pin connecting resistance R13 of integrated circuit U3, diode LED 1's positive pole is connected to resistance R13's the other end, diode LED 1's negative pole ground connection, No. 3 pin of stabiliser U2 is connected to integrated circuit U3's No. 9 pin, switch K1 is connected to integrated circuit U3's No. 19 pin.

As a still further scheme of the utility model: the wireless module comprises a wireless controller U9, a pin No. 1 of a wireless controller U9 is connected with a pin No. 11 of an integrated circuit U3, a pin No. 2 of the wireless controller U9 is connected with a pin No. 13 of the integrated circuit U3, a pin No. 3 of the wireless controller U9 is connected with a pin No. 12 of an integrated circuit U3, a pin No. 4 of the wireless controller U9 is connected with a pin No. 3 of the integrated circuit U3, a pin No. 5 of the wireless controller U9 is connected with a pin No. 10 of the integrated circuit U3, and a pin No. 6 of the wireless controller U9 is connected with a pin No. 3 of a voltage stabilizer U2.

As a still further scheme of the utility model: the program downloading port comprises a terminal J3, a pin No. 1 of a terminal J3 is connected with a pin No. 3 of a voltage stabilizer U2, a pin No. 2 of a terminal J3 is connected with a pin No. 8 of an integrated circuit U3, a pin No. 3 of a terminal J3 is connected with a pin No. 18 of an integrated circuit U3, and a pin No. 4 of a terminal J3 is connected with a pin No. 4 of the integrated circuit U3.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has long transmission distance, which can reach 400 meters at the farthest; the switching value signal can be directly transmitted; 4 input channels are shared, and the work can be simultaneously carried out; the wireless controllers do not interfere with each other, can work simultaneously in multiple groups, can transmit signals through radio waves, and saves the wiring cost and the wiring difficulty; the process control device can be applied to process control in industrial equipment, and can transmit signals of sensors in the equipment to other machines through wireless transmission; the wireless transmitter can be applied to automatic water replenishing of a water tower, and when the wireless transmitter detects that the water tower is lack of water, a signal is sent to the receiver to control the water pump to replenish water; the wiring is very simple and clear, clear and simple.

Drawings

Fig. 1 is a schematic diagram of a long-range wireless transmitter.

Fig. 2 is a circuit diagram of the power conversion module.

Fig. 3 is a circuit diagram of the main control module.

Fig. 4 is a circuit diagram of a wireless module.

Fig. 5 is a circuit diagram of the program download port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1, a remote wireless transmitter includes a filter inductor, an isolation transformer, a power interface, a sensor input interface, an indicator light, an isolation optocoupler, a program downloading port, a main control chip, a wireless module, and a pairing key; wherein:

In this embodiment: referring to fig. 2, the power conversion module includes an integrated circuit U8 and a regulator U2, a pin 5 of the integrated circuit U8 is connected to the anode of a diode D4 and the fourth terminal of a transformer T1, a pin 4 of the integrated circuit U8 is connected to the anode of a diode D3, a resistor R6 and the fifth terminal of a transformer T1, a pin 3 of the integrated circuit U8 is connected to the other end of the resistor R6, the cathode of the diode D3 is connected to the cathode of the diode D4, the third terminal of the transformer T1 is connected to the anode of a diode D2, the cathode of the diode D2 is connected to an inductor L1, the other end of the inductor L1 is connected to a pin 2 of the regulator U2, the first terminal of the transformer T1 is connected to a pin 1 of the regulator U2, and a pin 1 of the regulator U2 is grounded.

The power supply is filtered by a capacitor C29 and a capacitor C27, the power supply absorbs sudden change waves by a sudden wave absorber RV1, the power supply is filtered by a capacitor C20, the power supply is filtered by an inductor L2 and an inductor L3, the power supply is subjected to surge absorption by a diode D1, the power supply is filtered by a capacitor C9, a capacitor C1, a capacitor C2 and a capacitor C26 and then enters a transformer T1, and the integrated circuit U8 achieves the effect of wide voltage by adjusting frequency. The voltage of the secondary output pulse of the transformer T1 is rectified by a diode D2, filtered by a capacitor C10, a capacitor C15 and an inductor L1, enters the input end of a voltage stabilizer U2, and outputs stable 3.3V voltage after passing through a voltage stabilizer U2, and the voltage is supplied to a main control module, a program downloading port and a wireless module for use. The integrated circuit U8 is model JW 3510.

In this embodiment: referring to fig. 3, the main control module includes an optical coupler U4, an optical coupler U5, an optical coupler U6, an optical coupler U7, an integrated circuit U3, and a diode LED1, wherein one end of an input end of the optical coupler U4 is connected with the pin No. 2 of the terminal J6 through a resistor R11, the other end of the input end of the optical coupler U4 is connected with the pin No. 4 of the terminal J4, one end of an output end of the optical coupler U4 is connected with the pin No. 17 of the integrated circuit U4, one end of an input end of the optical coupler U4 is connected with the pin No. 2 of the terminal J4 through a resistor R4, one end of an input end of the optical coupler U4 is connected with the pin No. 6 of the terminal J4, one end of an output end of the optical coupler U4 is connected with the pin No. 16 of the integrated circuit U4, one end of an input end of the optical coupler U4 is connected with the pin No. 2 of the terminal J4 through a resistor R4, one end of the terminal J4 is connected with the pin No. 8 of the terminal J4, one end of the input end of the optical coupler U4, one end of the terminal J4, no. 10 pin of input other end connecting terminal J6 of opto-coupler U7, No. 14 pin of integrated circuit U3 is connected to opto-coupler U7's output one end, No. 1 pin connecting resistance R13 of integrated circuit U3, diode LED 1's positive pole is connected to resistance R13's the other end, diode LED 1's negative pole ground connection, No. 3 pin of stabiliser U2 is connected to integrated circuit U3's No. 9 pin, switch K1 is connected to integrated circuit U3's No. 19 pin.

The integrated circuit U3 is a main control chip, and the diode LED1 is an output indicator light. The switch K1 is a pairing key for pairing connection between the transmitter and the receiver. U4, U5, U6, U7 four ways opto-coupler dock four ways sensor input. The working principle of the device is explained by using 1 path, and the other 3 paths have the same principle. A pin 1 and a pin 2 of the terminal J6 are in short circuit, pass through the current limiting resistor R11, pass through the shunt resistor R2, and enter the optical coupler U4 through the filter capacitor C22. The 4 feet of the terminal are externally connected with the sensor. When the sensor outputs a low level, the optocoupler U4 is switched on, and a pin No. 17 of the integrated circuit U3 receives the low level, and the signal input is judged. The integrated circuit U3 has a model number N76E003AT 20.

In this embodiment: referring to fig. 4, the wireless module includes a wireless controller U9, a pin 1 of the wireless controller U9 is connected to a pin 11 of the integrated circuit U3, a pin 2 of the wireless controller U9 is connected to a pin 13 of the integrated circuit U3, a pin 3 of the wireless controller U9 is connected to a pin 12 of the integrated circuit U3, a pin 4 of the wireless controller U9 is connected to a pin 3 of the integrated circuit U3, a pin 5 of the wireless controller U9 is connected to a pin 10 of the integrated circuit U3, and a pin 6 of the wireless controller U9 is connected to a pin 3 of the regulator U2.

The wireless controller U9 communicates with integrated circuit U3 via pin number 3 (SPI interface). When the integrated circuit U3 receives the signal of sensor, communicate with wireless module through the SPI bus, wireless module receives data transmission after the instruction. The model of the wireless controller U9 is VGdd79SxxxN0S 1.

In this embodiment: referring to fig. 5, the program downloading port includes a terminal J3, a pin 1 of a terminal J3 is connected to a pin 3 of a regulator U2, a pin 2 of a terminal J3 is connected to a pin 8 of an ic U3, a pin 3 of a terminal J3 is connected to a pin 18 of an ic U3, and a pin 4 of a terminal J3 is connected to a pin 4 of an ic U3.

The program downloading port is connected with the main control chip. When the program needs to be updated, the program can be updated through the external interface, and the main control chip does not need to be taken down for burning.

The working principle of the utility model is as follows: the power supply conversion module outputs stable 3.3V voltage and supplies the voltage to the program downloading port, the main control module and the wireless module; the main control module receives information input by an external sensor and sends a signal to the wireless module when the sensor inputs a low level, and the wireless module sends the signal to the outside in a long distance to carry out long-distance signal transmission when receiving the signal; the program downloading port is used for updating the program through an external interface when the program of the main control module needs to be updated, so that the integrated circuit U3 is prevented from being taken down for burning. The method can be applied to remote automatic control, remote monitoring and remote early warning of the water tower; industrial automation remote control and remote management; household intelligence, all indoor electrical appliances of remote control.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a remote wireless transmitter, includes filter inductance, isolation transformer, power source, sensor input interface, pilot lamp, keeps apart opto-coupler, procedure download mouth, main control chip, wireless module, pairs button, its characterized in that:

the long-distance wireless transmitter comprises:

2. The remote wireless transmitter of claim 1, wherein the power conversion module comprises an integrated circuit U8 and a voltage regulator U2, pin 5 of the integrated circuit U8 is connected to the anode of a diode D4 and the fourth end of a transformer T1, pin 4 of the integrated circuit U8 is connected to the anode of a diode D3, a resistor R6 and the fifth end of a transformer T1, pin 3 of the integrated circuit U8 is connected to the other end of the resistor R6, the cathode of the diode D3 is connected to the cathode of the diode D4, the third end of the transformer T1 is connected to the anode of a diode D2, the cathode of the diode D2 is connected to an inductor L1, the other end of the inductor L1 is connected to pin 2 of the voltage regulator U2, the first end of the transformer T1 is connected to pin 1 of the voltage regulator U2, and pin 1 of the voltage regulator U2 is grounded.

3. The remote wireless transmitter of claim 2, wherein the main control module comprises an optical coupler U4, an optical coupler U5, an optical coupler U6, an optical coupler U7, an integrated circuit U3 and a diode LED1, one end of an input end of the optical coupler U4 is connected with the pin No. 2 of a terminal J6 through a resistor R11, the other end of an input end of the optical coupler U4 is connected with the pin No. 4 of a terminal J6, one end of an output end of the optical coupler U4 is connected with the pin No. 17 of the integrated circuit U3, one end of an input end of the optical coupler U5 is connected with the pin No. 2 of a terminal J6 through a resistor R8, the other end of an input end of the optical coupler U4 is connected with the pin No. 6 of a terminal J6, one end of an output end of the optical coupler U5 is connected with the pin No. 16 of the integrated circuit U3, one end of an input end of the optical coupler U6 is connected with the pin No. 2 of a terminal J6 through a resistor R9, one end of an input end of the optical coupler U6 is connected with the pin No. 8 of a terminal J6, one end of an output end of the optical coupler U6 is connected with the pin No. 15 of the integrated circuit U3, no. 2 pin of resistance R10 connecting terminal J6 is passed through to the input one end of opto-coupler U7, No. 10 pin of input other end connecting terminal J6 of opto-coupler U7, No. 14 pin of integrated circuit U3 is connected to the output one end of opto-coupler U7, No. 1 pin connecting resistance R13 of integrated circuit U3, diode LED 1's positive pole is connected to resistance R13's the other end, diode LED 1's negative pole ground connection, No. 3 pin of stabiliser U2 is connected to integrated circuit U3's No. 9 pin, integrated circuit U3's No. 19 pin connecting switch K1.

4. The long-range wireless transmitter of claim 3, wherein the wireless module comprises a wireless controller U9, pin 1 of the wireless controller U9 is connected to pin 11 of the integrated circuit U3, pin 2 of the wireless controller U9 is connected to pin 13 of the integrated circuit U3, pin 3 of the wireless controller U9 is connected to pin 12 of the integrated circuit U3, pin 4 of the wireless controller U9 is connected to pin 3 of the integrated circuit U3, pin 5 of the wireless controller U9 is connected to pin 10 of the integrated circuit U3, and pin 6 of the wireless controller U9 is connected to pin 3 of the voltage regulator U2.

5. The remote wireless transmitter of claim 3, wherein the program download port comprises a terminal J3, pin 1 of a terminal J3 connected to pin 3 of a regulator U2, pin 2 of a terminal J3 connected to pin 8 of an integrated circuit U3, pin 3 of a terminal J3 connected to pin 18 of an integrated circuit U3, and pin 4 of a terminal J3 connected to pin 4 of an integrated circuit U3.