CN219087319U

CN219087319U - Wireless monitoring system

Info

Publication number: CN219087319U
Application number: CN202122470085.8U
Authority: CN
Inventors: 陈燕山
Original assignee: Shenzhen Calais Zhongke Intelligent Technology Co ltd
Current assignee: Shenzhen Calais Zhongke Intelligent Technology Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2023-05-26
Anticipated expiration: 2031-10-13

Abstract

The utility model describes a wireless listening system comprising: the transmitter comprises a transmitter shell, a first pairing key, an audio input interface, a first main control module, a TX module, a first power supply module and an audio signal input module; and the receiver comprises a receiver shell, a second pairing key, an audio output interface, a second main control module, an RX module, a second power supply module and an audio signal output module, wherein the transmitter enters a pairing mode by long pressing the first pairing key, the receiver enters the pairing mode by long pressing the second pairing key, the transmitter and the receiver are paired within a preset distance and are in wireless communication when the TX module and the RX module receive and successfully identify pairing information sent by each other, and meanwhile, the pairing information is recorded in the TX module and the RX module. Therefore, the transmitter and the receiver can be conveniently and accurately paired and the transmission of the audio signal can be carried out.

Description

Wireless monitoring system

Technical Field

The present utility model relates to a wireless listening system.

Background

Patent CN109496892a provides a pairing method of a remote controller and a receiver of a pet trainer, which can realize that one remote controller controls a plurality of receivers, but does not disclose specific functional modules and working principles thereof.

And the wireless monitoring equipment existing in the market at present is large in size and inconvenient to carry.

Disclosure of Invention

In view of the above-mentioned conventional situation, an object of the present utility model is to provide a wireless monitoring device or a wireless monitoring system that can be accurately paired and is convenient to carry.

To this end, the present utility model provides a wireless listening system comprising: the transmitter comprises a transmitter shell, a first pairing key and an audio input interface, a first main control module, a TX module, a first power module and an audio signal input module, wherein the first pairing key and the audio input interface are arranged on the surface of the transmitter shell, the first main control module, the TX module, the first power module and the audio signal input module are arranged in the transmitter shell, the output ends of the first pairing key and the first power module are respectively and electrically connected with the first main control module, the TX module is connected with the first main control module, the output end of the audio signal input module is electrically connected with the TX module, and the input end of the audio signal input module is connected with the audio input interface; and the receiver comprises a receiver shell, a second pairing key and an audio output interface which are arranged on the surface of the receiver shell, and a second main control module, an RX module, a second power module and an audio signal output module which are arranged in the receiver shell, wherein the second pairing key and the output end of the second power module are respectively and electrically connected with the second main control module, the RX module is mutually connected with the second main control module, the input end of the audio signal output module is electrically connected with the RX module, and the output end of the audio signal output module is electrically connected with the audio output interface, wherein the transmitter is made to enter a pairing mode by long pressing the first pairing key, the receiver is made to enter the pairing mode by long pressing the second pairing, and the transmitter and the receiver are made to realize pairing and wireless communication within a preset distance when the TX module and the RX module receive and successfully identify pairing information which are mutually transmitted, and simultaneously record the pairing information in the TX module and the RX module.

According to the utility model, the transmitter and the receiver can be accurately paired by long-pressing the first pairing key in the transmitter and the second pairing key in the receiver, and the pairing method is simple and easy to operate, so that the transmission of audio signals between the transmitter and the receiver can be facilitated.

In addition, in the wireless monitoring system related to the utility model, optionally, the transmitter further comprises a first USB charging interface and a first pairing key indicator light, which are arranged on the surface of the transmitter housing. Therefore, the transmitter can be conveniently charged, and whether the matching is successful or not can be detected through the first matching key indicator lamp.

In addition, in the wireless monitoring system related to the utility model, optionally, the receiver further comprises a second USB charging interface, a second pairing key indicator light and a volume adjusting key, wherein the second USB charging interface, the second pairing key indicator light and the volume adjusting key are arranged on the surface of the receiver shell. Therefore, the receiver can be conveniently charged, whether the matching is successful or not can be detected through the second matching key indicator lamp, and meanwhile, the volume of the audio can be conveniently adjusted.

In addition, in the wireless monitoring system according to the present utility model, optionally, the first power module includes a first power supply, a first power-on circuit, a first voltage stabilizing circuit, and a first power switch, where the first power-on circuit, the first voltage stabilizing circuit, and the first power switch are electrically connected to the first power supply, and the first power switch is disposed on a surface of the transmitter housing. Thus, the working electricity required by each module in the transmitter can be conveniently provided.

In addition, in the wireless monitoring system according to the present utility model, optionally, the second power module includes a second power supply, a second power supply circuit, a second voltage stabilizing circuit, and a second power switch, where the second power supply circuit, the second voltage stabilizing circuit, and the second power switch are electrically connected to the second power supply, and the second power switch is disposed on a surface of the receiver housing. Thus, the working electricity required by each module in the receiver can be conveniently provided.

In addition, in the wireless monitoring system according to the present utility model, optionally, the audio signal input module includes a signal input circuit, a pre-stage amplifying circuit, and a first analog-to-digital conversion circuit, where the signal input circuit, the pre-stage amplifying circuit, and the first analog-to-digital conversion circuit are electrically connected in sequence. Thus, the audio signal can be conveniently input.

The wireless monitoring system related by the utility model optionally, the audio signal output module comprises a second analog-to-digital conversion circuit, an earphone signal amplifying circuit and a signal output circuit, and the second analog-to-digital conversion circuit, the earphone signal amplifying circuit and the signal output circuit are electrically connected in sequence. Thus, the audio signal can be conveniently outputted.

In addition, in the wireless monitoring system related to the present utility model, optionally, the first main control module is a first MCU, the second main control module is a second MCU, a first pairing program is burned in the first MCU, a second pairing program is burned in the second MCU, and pairing between the transmitter and the receiver is achieved through the first pairing program and the second pairing program. Thus, the transmitter and the receiver can be conveniently paired.

In addition, in the wireless listening system according to the present utility model, the predetermined distance is optionally 0 to 20 meters. Thus, accurate pairing can be conveniently achieved within a predetermined distance.

In addition, in the wireless listening system according to the present utility model, optionally, the transmitters pair 1 to 200 of the receivers simultaneously. Thus, it is possible to conveniently pair a plurality of receivers at the same time.

Drawings

Embodiments of the utility model will now be explained in further detail by way of example only with reference to the accompanying drawings, in which:

fig. 1 is an overall system diagram showing a wireless listening system according to the present utility model.

Fig. 2 is a schematic diagram showing the structure of a transmitter in the wireless listening system according to the present utility model.

Fig. 3 is a schematic diagram showing the structure of a receiver in the wireless listening system according to the present utility model.

Fig. 4 is a functional block diagram showing an example of a receiver in the wireless listening system according to the present utility model.

Fig. 5 is a functional block diagram showing an example of a transmitter in the wireless listening system according to the present utility model.

Fig. 6 is a functional block diagram showing another example of a receiver in the wireless listening system according to the present utility model.

Fig. 7 is a functional block diagram showing another example of a transmitter in the wireless listening system according to the present utility model.

Symbol description:

a wireless listening system, 10 transmitters, 20 receivers, 100 TX modules, 110 transmitter housings, 120 first pairing keys, 130 audio input interfaces, 140 first main control modules, 150 first power supply modules, 160 audio signal input modules, 170 first USB charging interfaces, 180 first pairing key indicators, 200 RX modules, 201 lanyard ports, 210 receiver housings, 220 second pairing keys, 230 audio output interfaces, 240 second main control modules, 250 second power supply modules, 260 audio signal output modules, 270 second USB charging interfaces, 280 second pairing key indicators, 290 volume adjustment keys, 1510 first power supplies, 1520 first power circuits, 1530 first voltage stabilizing circuits, 1540 first power switches, 1610 signal input circuits, 1620 first analog-to-digital conversion circuits, 2510 second power supplies, 2520 second power circuits, 2530 second voltage stabilizing circuits, 2540 second power switches, 2610 signal output circuits, 2620 earphone signal amplification circuits, 2630 second analog-to-digital conversion circuits.

Detailed Description

Hereinafter, preferred embodiments of the present utility model will be described in detail with reference to the accompanying drawings. In the following description, the same members are denoted by the same reference numerals, and overlapping description thereof is omitted. In addition, the drawings are schematic, and the ratio of the sizes of the components to each other, the shapes of the components, and the like may be different from actual ones.

Referring to fig. 1, a wireless listening system 1 (hereinafter, referred to as system 1) according to the present utility model may be composed of a transmitter 10 and a receiver 20. The appearance of the transmitter 10 and the receiver 20 may be a rectangular parallelepiped block structure as shown in fig. 1. In the present embodiment, the number of the receivers 20 may not be fixed, for example, the transmitter 10 may match 1 to 200 receivers at the same time. In specific use, the transmitter 10 (i.e., the audio input interface 130 of the transmitter 10) may be used to connect various audio sources such as sound cards, mobile phones, computers, televisions, etc., and the receiver 20 (i.e., the audio output interface 230 of the receiver 20) may be used to connect different types of brand headphones and active speakers, thereby enabling the transmission of audio signals when the transmitter 10 and the receiver 20 are successfully paired.

Fig. 2 is a schematic diagram showing the structure of a transmitter in the wireless listening system according to the present utility model. Fig. 3 is a schematic diagram showing the structure of a receiver in the wireless listening system according to the present utility model. Fig. 4 is a functional block diagram showing an example of a receiver in the wireless listening system according to the present utility model. Fig. 5 is a functional block diagram showing an example of a wireless listening system transmitter according to the present utility model.

Referring to fig. 2 to 5, in the present embodiment, the wireless listening system 1 may include a transmitter 10 and one or more receivers 20.

The single transmitter 10 may include a transmitter housing 110, a first pairing key 120 and an audio input interface 130 disposed on a surface of the transmitter housing 110, and a first main control module 140, a first power module 150, and an audio signal input module 160 built into the transmitter housing. The first pairing key 120, the first power module 150, and the audio signal input module 160 may be electrically connected with the first main control module 140, respectively, and the audio input interface 130 may be electrically connected with the audio signal input module 160. Specifically, the output end of the first pairing key 120 may be used to connect to the first main control module 140; the output end of the first power module 150 may be used to connect with the first main control module 140 to provide power for each working module; an output end of the audio input interface 130 may be connected to an audio signal input module, an output end of the audio signal input module 160 may be connected to the first main control module 140, and the audio input interface 130 may be compatible and used for connecting various audio sources such as a sound card, a mobile phone, a computer, a television, and the like.

The single receiver 20 may include a receiver housing 210, a second pairing key 220 and an audio output interface 230 disposed on a surface of the receiver housing 210, and a second main control module 240, a second power module 250, and an audio signal output module 260 built into the receiver housing 210. The second pairing key 220, the second power module 250, and the audio signal output module 260 may be electrically connected with the second main control module 240, respectively, and the audio output interface 230 is electrically connected with the audio signal output module 260. Specifically, the output end of the second pairing key 220 may be connected to the second main control module 240; the output end of the second power module 250 may be connected to the second main control module 240 to provide electricity required for working for each working module; an input end of the audio signal output module 260 may be connected to the second main control module 240, an output end of the audio signal output module 260 may be connected to the audio output interface 230, and the audio output interface 230 may be used to connect different types of brand headphones and active speakers.

When the system 1 is specifically used, the transmitter 10 may enter the pairing mode by pressing the first pairing key 120 for one to two seconds, and the receiver 20 may enter the pairing mode by pressing the second pairing key 220 for one to two seconds, so that the transmitter 10 and the receiver 20 may pair and perform wireless communication within a predetermined distance when the TX module 100 and the RX module 200 receive and successfully identify pairing information sent by each other. At the same time, the pairing information may be recorded in TX module 100 and RX module 200, and when the transmitter 10 and receiver 20 are paired again, the pairing information may be quickly read and identified by TX module 100 and RX module 200 for quick pairing.

In some examples, the predetermined distance may be 0 to 20 meters. Thereby, accurate pairing of the transmitter 10 and the receiver 20 within a predetermined distance can be conveniently achieved.

In the utility model, by long-pressing the first pairing key 120 in the transmitter 10 and the second pairing key 220 in the receiver 20, the transmitter 10 and the receiver 20 can be successfully paired, so that the transmission of the signal audio signals between the transmitter 10 and the receiver 20 can be conveniently performed.

In this embodiment, referring to fig. 2, the transmitter 10 may further include a first USB charging interface 170 and a first pairing key indicator lamp 180 disposed on a surface of the transmitter housing 110. By the first USB charging interface 170 in this case, the transmitter 10 can be conveniently charged, and whether the receiver 10 and the transmitter 20 are successfully paired can be detected through the first pairing key indicator lamp 180.

Referring to fig. 3, in the present embodiment, the receiver 20 may further include a second USB charging interface 270, a second pairing key indicator light 280, and a volume adjustment key 290 disposed on a surface of the receiver housing 210. In this case, the second USB charging interface 270 can facilitate charging the receiver 20, and the second pairing key indicator 280 can detect whether the receiver 20 and the transmitter 10 are successfully paired, and the volume adjusting key 290 can facilitate adjusting the volume of the output audio.

In particular use, for example, when the first pairing key 120 and the second pairing key 220 are pressed, the first pairing key indicator light 180 and the second pairing key indicator light 280 are in a normally-on state, and one to two seconds later the first pairing key indicator light 180 and the second pairing key indicator light 280 are in a blinking state, which indicates that the pairing of the transmitter 10 and the receiver 20 is successful.

In some examples, the receiver housing 210 surface of the receiver 20 may also be provided with a lanyard opening 201. Thereby, the receiver 20 can be carried conveniently.

In this embodiment, the first power module 150 may include a first power supply 1510, a first power-on circuit 1520, a first voltage stabilizing circuit 1530, and a first power switch 1540, where the first power-on circuit 1520, the first voltage stabilizing circuit 1530, and the first power switch 1540 are electrically connected to the first power supply 1510, and the first power switch 1540 is disposed on the surface of the transmitter housing 110. Specifically, an input end of the first power-on circuit 1520 may be connected to the first USB charging interface 170, and an output end of the first power-on circuit 1520 may be connected to the first power supply 1510; an output terminal of the first power switch 1540 may be connected to the first power source 1510; an output terminal of the first power supply may be connected to the first main control module 140, and another output terminal of the first power supply 1510 may be connected to the first voltage stabilizing circuit 1530. In this case, the first power source 1510 can conveniently provide power for operation of each module in the transmitter 10, and the first power-on circuit 1520 can be connected to the first USB charging interface 170 for charging by an external power source.

In this embodiment, the second power module 250 may include a second power supply 2510, a second power supply circuit 2520, a second voltage stabilizing circuit 2530, and a second power switch 2540, where the second power supply circuit 2510, the second voltage stabilizing circuit 2530, and the second power switch 2540 are electrically connected to the second power supply circuit 2510, and the second power switch 2540 is disposed on the surface of the receiver housing 210. Specifically, an input end of the second power-on circuit 2520 may be connected to the second USB charging interface 270, and an output end of the second power-on circuit 2520 may be connected to the second power supply 2510; an output terminal of the second power switch 2540 may be connected to a second power supply 2510; an output terminal of the second power supply may be connected to the second main control module 240, and another output terminal of the second power supply 2510 may be connected to the second voltage stabilizing circuit 2530. In this case, the second power supply 2510 can conveniently provide working electricity required by each module in the transmitter 10, and the second power supply circuit 2520 can be connected to the second USB charging interface 270 for charging by an external power supply.

In the present embodiment, the audio signal input module 160 includes a signal input circuit 1610, a pre-stage amplifying circuit 1620 and a first analog-to-digital conversion circuit 1630, and the signal input circuit 1610, the pre-stage amplifying circuit 1620 and the first analog-to-digital conversion circuit 1630 are electrically connected in this order. Specifically, an input end of the signal input circuit 1610 may be connected to the audio input interface 130, and the signal input circuit 1610 is configured to convert an audio signal input by the audio input interface 130 into an electrical signal; an output end of the signal input circuit 1610 may be connected to a pre-stage amplifying circuit 1620, where the pre-stage amplifying circuit 1620 is configured to amplify an input audio signal; the output end of the pre-amplifier circuit 1620 may be connected to a first analog-to-digital conversion circuit 1630, where the first analog-to-digital conversion circuit 1630 is configured to convert an electrical signal into a digital signal and output the digital signal to the TX module 100, and the TX module 100 processes the digital signal output value by the first main control module. Thereby, the input audio signal can be conveniently output to the first main control module 140.

In this embodiment, the audio signal output module 260 may include a second analog-to-digital conversion circuit 2630, an earphone signal amplification circuit 2620, and a signal output circuit 2610. The second analog-to-digital conversion circuit 2630, the headphone signal amplification circuit 2620, and the signal output circuit 2610 may be electrically connected in order. Specifically, an input end of the second analog-to-digital conversion circuit 2630 may be connected to the RX module 200, for converting a digital signal of the RX module 200 into an electrical signal and outputting the electrical signal; the output end of the second analog-to-digital conversion circuit 2630 may be connected to an earphone signal amplifying circuit 2620, for performing method processing on the electrical signal carrying the audio signal; an output terminal of the earphone signal amplification circuit 2620 may be connected to the signal output circuit 2610, and the signal output circuit 2610 converts the electric signal into an audio signal and outputs the audio signal through the audio output interface 230.

In this embodiment, the first main control module 140 is a first MCU, the second main control module 240 is a second MCU, a first pairing program is burned in the first MCU, a second pairing program is burned in the second MCU, and pairing of the transmitter 10 and the receiver 20 can be achieved through the first pairing program and the second pairing program. Thereby, pairing of the transmitter 10 and the receiver 20 can be facilitated.

The utility model relates to a working principle of a wireless monitoring system 1:

the TX module 100 of the transmitter 10 and the RX module 200 of the receiver 20 may perform pre-identification of pairing information when the first pairing key 120 of the transmitter 10 and the second pairing key 220 of the receiver 20 are activated, respectively. When the transmitter 10 and the receiver 20 are paired for the first time, the TX module 100 and the RX module 200 respectively input pairing information sent by each other to the first main control module 140 and the second main control module 240, and the first main control module 140 and the second main control module 240 perform identification and matching of the pairing information (i.e. pairing procedure), if the identification is successful, successful pairing of the transmitter 10 and the receiver 20 can be achieved; the TX module 100 then transmits the converted (converted by the signal input circuit 1610, the pre-amplifier circuit 1620 and the first analog-to-digital conversion circuit 1630) audio signal input by the audio input interface 130 to the RX module, and outputs the converted (converted by the second analog-to-digital conversion circuit 2630, the earphone signal amplifier circuit 2620 and the signal output circuit 2610) audio signal by the audio output interface 230. When the transmitter 10 and the receiver 20 are paired again, only the pairing information is needed to be matched with the pairing information recorded in the TX module 100 and the RX module 200, and if the matching is successful, the quick pairing of the transmitter 10 and the receiver 20 can be realized.

In the utility model, by long-pressing the first pairing key 120 in the transmitter 10 and the second pairing key 220 in the receiver 20, the transmitter 10 and the receiver 20 can be successfully paired, so that the transmission of signal audio signals between the transmitter 10 and the receiver 20 can be facilitated.

While the utility model has been described in detail in connection with the drawings and embodiments, it should be understood that the foregoing description is not intended to limit the utility model in any way. Modifications and variations of the utility model may be made as desired by those skilled in the art without departing from the true spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model.

Claims

1. A wireless monitoring system, characterized in that,

comprising the following steps:

the transmitter comprises a transmitter shell, a first pairing key and an audio input interface, a first main control module, a TX module, a first power module and an audio signal input module, wherein the first pairing key and the audio input interface are arranged on the surface of the transmitter shell, the first main control module, the TX module, the first power module and the audio signal input module are arranged in the transmitter shell, the output ends of the first pairing key and the first power module are respectively and electrically connected with the first main control module, the TX module is connected with the first main control module, the output end of the audio signal input module is electrically connected with the TX module, and the input end of the audio signal input module is electrically connected with the audio input interface; and

the receiver comprises a receiver shell, a second pairing key and an audio output interface which are arranged on the surface of the receiver shell, and a second main control module, an RX module, a second power module and an audio signal output module which are arranged in the receiver shell, wherein the output ends of the second pairing key and the second power module are respectively and electrically connected with the second main control module, the RX module is mutually connected with the second main control module, the input end of the audio signal output module is electrically connected with the RX module, the output end of the audio signal output module is electrically connected with the audio output interface,

the transmitter and the receiver are paired and wirelessly communicated within a preset distance when the TX module and the RX module receive and successfully identify pairing information sent by each other, and the pairing information is recorded in the TX module and the RX module.

2. The wireless listening system of claim 1, wherein,

the transmitter further comprises a first USB charging interface and a first pairing key indicator lamp which are arranged on the surface of the transmitter shell.

3. The wireless listening system of claim 1, wherein,

the receiver also comprises a second USB charging interface, a second pairing key indicator light and a volume adjusting key, wherein the second USB charging interface, the second pairing key indicator light and the volume adjusting key are arranged on the surface of the receiver shell.

4. The wireless listening system of claim 2, wherein,

the first power module comprises a first power supply, a first power-on circuit, a first voltage stabilizing circuit and a first power switch, wherein the first power-on circuit, the first voltage stabilizing circuit and the first power switch are respectively and electrically connected with the first power supply, the first power-on circuit is connected with the first USB charging interface, and the first power switch is arranged on the surface of the shell of the transmitter.

5. The wireless listening system of claim 3, wherein,

the second power module comprises a second power supply, a second power-on circuit, a second voltage stabilizing circuit and a second power switch, wherein the second power-on circuit, the second voltage stabilizing circuit and the second power switch are respectively and electrically connected with the second power supply, the second power-on circuit is connected with the second USB charging interface, and the second power switch is arranged on the surface of the receiver shell.

6. The wireless listening system of claim 1, wherein,

the audio signal input module comprises a signal input circuit, a pre-stage amplifying circuit and a first analog-to-digital conversion circuit, wherein the signal input circuit, the pre-stage amplifying circuit and the first analog-to-digital conversion circuit are electrically connected in sequence.

7. The wireless listening system of claim 1, wherein,

the audio signal output module comprises a second analog-to-digital conversion circuit, an earphone signal amplifying circuit and a signal output circuit, and the second analog-to-digital conversion circuit, the earphone signal amplifying circuit and the signal output circuit are electrically connected in sequence.

8. The wireless listening system of claim 1, wherein,

the first main control module is a first MCU, the second main control module is a second MCU, a first pairing program is burnt in the first MCU, a second pairing program is burnt in the second MCU, and pairing of the transmitter and the receiver is achieved through the first pairing program and the second pairing program.

9. The wireless listening system of claim 1, wherein,

the predetermined distance is 0 to 20 meters.

10. The wireless listening system of claim 1, wherein,

the transmitters pair between 1 and 200 of the receivers simultaneously.