Double-chip wireless charging module for alarm

Abstract

The utility model relates to the technical field of wireless charging, in particular to a double-chip wireless charging module for an alarm, which is characterized in that a charger inputs voltage VBUS to a connecting terminal of a PCB (Printed Circuit Board), a USB-Dn signal and a USB-Dp signal on the connecting terminal are converted into an ISP-TXD signal and an ISP-RXD signal through a circuit and are connected to pins of a CPS1001 chip, and the pins of the CPS1001 chip are connected with the USB-Dn signal and the USB-RXD signal respectively. The CPS1001 chip and the CPS8500 chip are connected with the CPS1001 chip and the CPS8500 chip, the VBUS of the connecting terminal outputs VCC through the voltage stabilizing and filtering module and is connected to the CPS8500 chip, the CPS1001 chip and the CPS8500 chip are in mutual communication connection through a PWM1 pin and a PWM2 pin, the CPS8500 chip outputs BST1 and BST2 to the battery, the CPS1001 and CPS8500 high-performance wireless charging chips are adopted, the characteristics of high integration level, low power consumption, stable communication and the like of the CPS1001 and CPS8500 wireless charging chips are utilized, and the wireless charging device is simple in structure, low in cost and high in reliability. And the alarm gets rid of the defects of a wired charging mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to wireless charging technical field, concretely is a kind of double-chip wireless charging module for alarm. BACKGROUND

[0002] Alarm is a kind of device or system for issuing warning, reminding or notification, mainly through sound, light or other forms of signal to attract people's attention, help them take corresponding action, ensure the safety of goods.

[0003] The alarm in prior art usually adopts wired power supply mode, but wired connection mode has problems such as wiring complexity, maintenance difficulty, which not only limits the installation position of alarm, but also increases the cost of installation and maintenance. With the development of wireless technology, how to introduce wireless charging technology into alarm, and taking into account the existing wireless technology charging efficiency is not high, communication is unstable, there is no effective solution at present.

[0004] Based on the above reasons, the utility model designs a kind of double-chip wireless charging module for alarm, adopts two high-performance wireless charging chips CPS1001 and CPS8500, uses its high integration, low power consumption, communication stability and other characteristics to make alarm get rid of the shortcomings of wired charging mode. SUMMARY

[0005] The utility model aims at overcoming the insufficient of prior art, provide a kind of double-chip wireless charging module for alarm, adopts two high-performance wireless charging chips CPS1001 and CPS8500, uses its high integration, low power consumption, communication stability and other characteristics to make alarm get rid of the shortcomings of wired charging mode.

[0006] To achieve the above purpose, the utility model provides a kind of double-chip wireless charging module for alarm, including transmitting end and receiving end, transmitting end and receiving end include charger, connecting terminal, CPS1001 chip, CPS8500 chip, battery and voltage stabilizing filter module, charger input voltage VBUS is connected to the connecting terminal of PCB board, USB-Dn and USB-Dp on connecting terminal are converted into ISP-TXD and ISP-RXD two signals by circuit and are connected to the pin of CPS1001 chip, VBUS of connecting terminal is output VCC by voltage stabilizing filter module and is connected to CPS8500 chip, CPS1001 chip and CPS8500 chip are mutually communicated by PWM1 and PWM2 pin connection, and CPS8500 chip outputs BST1 and BST2 to battery.

[0007] Transmitting end includes power amplifier, antenna.

[0008] The receiving end comprises a rectifier and a voltage stabilizer.

[0009] Compared with the prior art, the utility model discloses through selecting high -performance CPS1001 chip as wireless charging transmitting chip, after the inside circuit processing of chip, can high -efficient conversion power, and the component such as power amplifier and antenna is formed transmitting end, through accurate control CPS1001 chip's output power and frequency, realize accurate control to wireless charging process.

[0010] Meanwhile, optimize the antenna design, improve the transmission efficiency and coverage range of wireless signal. By selecting CPS8500 chip as wireless charging receiving chip, the receiving end is formed by the components such as rectifier, voltage stabilizer and battery, and the stable voltage filtering module is formed by optimizing the performance of rectifier and voltage stabilizer, so that the voltage transmitted by the charger is stabilized below 18V, the stable VCC voltage is obtained, the power conversion efficiency and the stability of output voltage are improved. Meanwhile, a large capacity battery is adopted to ensure that the alarm can work continuously. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the schematic diagram of the relation of each module of the utility model.

[0012] Fig. 2 It is the schematic diagram of the connection terminal circuit of the utility model.

[0013] Fig. 3 It is the schematic diagram of the double-chip communication relation circuit of the utility model.

[0014] Fig. 4 It is the schematic diagram of the voltage stabilizing filtering module of the utility model.

[0015] MARKS OF THE DRAWINGS:

[0016] 1 is a charger, J1 is a connection terminal, 3 is a CPS1001 chip, 4 is a CPS8500 chip, 5 is a battery, and 6 is a voltage stabilizing filtering module. DETAILED DESCRIPTION

[0017] The utility model will be further described in combination with the drawings.

[0018] Referring to Figs. 1-4The utility model provides a double -chip wireless charging module for alarm, including transmitting end and receiving end, transmitting end and receiving end include charger 1, connecting terminal J1, CPS1001 chip 3, CPS8500 chip 4, battery 5 and voltage stabilizing filter module 6, charger 1 input voltage VBUS to the connecting terminal J1 of PCB board, USB-Dn and USB-Dp on connecting terminal J1 are converted into ISP-TXD and ISP-RXD two signal connections to the pin of CPS1001 chip 3 through circuit, the VBUS of connecting terminal J1 is exported VCC and is connected to CPS8500 chip 4 through voltage stabilizing filter module 6, CPS1001 chip 3 and CPS8500 chip 4 are connected with each other through PWM1 and PWM2 pin communication, and CPS8500 chip 4 exports BST1 and BST2 to battery 5, and battery 5 is used to store the converted electric energy, and provides the continuous power supply for alarm.

[0019] Transmitting end includes power amplifier, antenna, and the power amplifier is used to amplify the wireless signal of CPS1001 chip output, improves charging efficiency.

[0020] Receiving end includes rectifier, voltage stabilizer, and the rectifier is used to convert the received wireless signal into direct current electric energy.

[0021] Working principle:

[0022] The utility model when using need not too much debugging, and the input voltage VBUS of external charger 1 is exported VCC and is connected to CPS8500 through circuit voltage stabilizing and filtering to the J1 terminal on PCB, and USB-Dn and USB-Dp on J1 terminal are converted into ISP-TXD and ISP-RXD two signal connections to the pin of CPS1001, and the VBUS on J1 terminal exports VCC and is connected to CPS8500 through circuit, and CPS1001 and CPS8500 are connected with each other through PWM1 and PWM2 pin communication, and export BST1 and BST2 to battery through CPS8500 chip internal processing.

[0023] The above are only preferred embodiments of the present application, and are used to help understand the method and its core idea of the present application.

[0024] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0025] The present application solves the problems of wiring, complex maintenance, high cost caused by wired charging in the existing alarm charging technology, and the problems of low charging efficiency and unstable communication in the existing wireless charging technology, by adopting two high-performance wireless charging chips CPS1001 and CPS8500 with high integration, low power consumption and stable communication, efficiently and stably supplying power for the alarm, realizing the wireless communication function of the alarm, and further improving the charging efficiency and communication stability of the wireless charging module through measures such as optimizing antenna design, improving power amplifier efficiency, improving rectifier and voltage stabilizer performance.

Claims

1. A dual-chip wireless charging module for an alarm, comprising a transmitting end and a receiving end, characterized in that, The transmitting end and the receiving end include a charger (1), a connection terminal (J1), a CPS1001 chip (3), a CPS8500 chip (4), a battery (5) and a voltage stabilizing and filtering module (6), the charger (1) inputs a voltage VBUS to the connection terminal (J1) of a PCB board, USB-Dn and USB-Dp on the connection terminal (J1) are converted into two signals of ISP-TXD and ISP-RXD through a circuit and are connected to pin positions of the CPS1001 chip (3), VBUS of the connection terminal (J1) is outputted VCC through the voltage stabilizing and filtering module (6) and is connected to the CPS8500 chip (4), the CPS1001 chip (3) and the CPS8500 chip (4) are connected to each other in communication through PWM1 and PWM2 pin positions, and the CPS8500 chip (4) outputs BST1 and BST2 to the battery (5).

2. The dual-chip wireless charging module for an alarm according to claim 1, wherein, The transmitting end includes a power amplifier and an antenna.

3. The dual-chip wireless charging module for an alarm according to claim 1, wherein, The receiving end includes a rectifier and a voltage stabilizer.

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