CN113873620A

CN113873620A - Wireless gateway awakening method for wifi voice communication safety helmet

Info

Publication number: CN113873620A
Application number: CN202110941776.3A
Authority: CN
Inventors: 马宇; 寇英平
Original assignee: Xiaoneng Shenzhen Technology Co ltd
Current assignee: Xiaoneng Shenzhen Technology Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2021-12-31

Abstract

The invention provides a method for waking up a wireless gateway of a WiFi voice communication safety helmet, which relates to the technical field of network cable wake-up systems and aims to solve the problem that WiFi is always in a high-power-consumption working state because a worker forgets to turn on a WiFi switch after entering a working area or possibly forgets to turn off the switch after the communication is finished, wherein the safety helmet system comprises a safety helmet system and a gateway router system, the safety helmet system consists of a WiFi system, a main control MCU, a 2.4G RF receiving module and a 2.4G antenna, and the output end of the 2.4G RF receiving module is connected with the signal input end of the main control MCU; and the signal output end of the WiFi system is connected with the signal input end of the main control MCU. The method realizes the wifi on-demand work, and the wifi is closed immediately when not used, thereby reducing the weight of the battery. The test in the actual product can improve the standby time by 50-100 times if the method of the patent is adopted.

Description

Wireless gateway awakening method for wifi voice communication safety helmet

Technical Field

The invention relates to the technical field of network cable awakening systems, in particular to a method for awakening a wireless gateway of a wifi voice communication safety helmet.

Background

when the wifi voice communication safety helmet enters a working site, the wifi voice communication safety helmet can be connected with a network router on the site and carries out network communication with a management center. The wifi voice communication safety helmet uses a lithium ion rechargeable battery as a power supply, and the lithium battery is one of important weight parts in the safety helmet. To reduce the weight of the helmet, the dynamic power consumption of the device must be reduced to reduce the volume and weight of the battery. After other methods for reducing power consumption are adopted, only wifi working power consumption is left, and dynamic power consumption is between 50 and 150mA and becomes the most main power consumption.

The wifi system of safety helmet has following several problems in the use:

1. after entering a working area, a worker may forget to turn on the wifi switch, so that the safety helmet cannot be connected to the gateway, and a manager of the management center cannot call a field worker.

2. The workman remembers to open the wifi switch, and the back is accomplished in the conversation, probably forgets to close the switch, leads to wifi to be in big consumption operating condition always, can reduce the battery live time of safety helmet by a wide margin like this

3. A worker enters a workplace, a wifi switch is turned on, but no call is incoming all the time, and wifi is in a large power consumption working state without meaning all the time.

Therefore, in view of the above, research and improvement are performed on the existing structure and defects, and a method for waking up a wireless gateway of a wifi voice communication safety helmet is provided, so as to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problem, the invention provides a method for waking up a wireless gateway of a wifi voice communication safety helmet, which aims to solve the problem that wifi is always in a high-power-consumption working state because a worker forgets to turn on a wifi switch after entering a working area or forgets to turn off the switch after communication is completed.

The purpose and the effect of the method for waking up the wireless gateway of the wifi voice communication safety helmet are achieved by the following specific technical means:

a method for waking up a wireless gateway of a WiFi voice communication safety helmet comprises a safety helmet system and a gateway router system, wherein the safety helmet system is composed of a WiFi system, a main control MCU, a 2.4G RF receiving module and a 2.4G antenna, and the output end of the 2.4G RF receiving module is connected with the signal input end of the main control MCU; the signal output end of the main control MCU is connected with the signal input end of the WiFi system, and the signal output end of the WiFi system is connected with the signal input end of the main control MCU; the gateway router system is composed of a WiFi antenna, a 2.4G RF transmitting module, a router CPU and an RJ45 access broadband network, wherein the signal input end of the 2.4G RF transmitting module is connected with the signal output end of the router CPU; the router CPU and the RJ45 access broadband network are bidirectional connection channels.

Preferably, the 2.4G RF receiving module is a low-power consumption receiving IC chip, and the power consumption is 10-20mA during operation.

Preferably, the 2.4G RF receiving module works intermittently, only works for 10 milliseconds per second, and the average current is 0.2 mA.

Preferably, the 2.4G RF transmitting module is a low power consumption transmitting IC chip, and continuously sends out a wake-up command.

Preferably, the 2.4G RF receiving module and the 2.4G RF transmitting module are the same as the working frequency band of the WiFi system.

Preferably, the coverage of the WiFi antennas on the 2.4G RF receiving module and the 2.4G RF transmitting module is the same as that of the WiFi antenna on the WiFi system.

Preferably, a receiving circuit is built in the 2.4G RF transmitting module, and is used for obtaining an antenna sensing signal.

Preferably, a detection circuit is built in the 2.4G RF transmission module, and is configured to provide a wake-up signal according to an amplitude and a carrier frequency of an antenna sensing signal.

Compared with the prior art, the invention has the following beneficial effects:

1. the method realizes wifi on-demand work and instant closing when not in use, reduces the weight of the battery, and can improve the standby time by 50-100 times if the method of the patent is adopted in actual products.

2. The WiFi voice communication safety helmet can be automatically connected to a field WiFi gateway in a workplace, and a manager of a management center can dial the safety helmet in the workplace through a network mode to communicate, so that the field guidance and management are realized.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic block diagram of the helmet end of the present invention.

Fig. 2 is a schematic block diagram of a gateway of the present invention.

Fig. 3 is a logic diagram of the wake-up system of the present invention.

Fig. 4 is a logic diagram of the headgear system of the present invention.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the invention provides a method for waking up a wireless gateway of a WiFi voice communication safety helmet, which comprises a safety helmet system and a gateway router system, wherein the safety helmet system is composed of a WiFi system, a main control MCU, a 2.4G RF receiving module and a 2.4G antenna, and the output end of the 2.4G RF receiving module is connected with the signal input end of the main control MCU; the signal output end of the main control MCU is connected with the signal input end of the WiFi system, and the signal output end of the WiFi system is connected with the signal input end of the main control MCU; the gateway router system is composed of a WiFi antenna, a 2.4G RF transmitting module, a router CPU and an RJ45 access broadband network, wherein the signal input end of the 2.4G RF transmitting module is connected with the signal output end of the router CPU; the router CPU and RJ45 access to the broadband network is a bidirectional connection channel.

The 2.4G RF receiving module is provided with a low-power-consumption receiving IC chip, the power consumption is 10-20mA during working, the power consumption of the safety helmet is effectively reduced, the gravity of a battery can be further reduced, the 2.4G RF receiving module works intermittently, the power consumption is 10 milliseconds per second, the average current is 0.2mA, and the working current of a Wifi system is 50-150 mA.

The 2.4G RF transmitting module is a low-power-consumption transmitting IC chip which continuously sends out a wake-up instruction to realize reliable wake-up, and the 2.4G RF receiving module and the 2.4G RF transmitting module are the same as the working frequency band of a WiFi system and are selected at frequency points which are not conflicted with a WiFi channel.

The coverage ranges of the WiFi antennas on the 2.4G RF receiving module and the 2.4G RF transmitting module are the same as those of the WiFi antennas on the WiFi system, so that the fact that the WiFi gateways can be connected to the awakenable areas correctly is guaranteed.

The 2.4G RF transmitting module is internally provided with a receiving circuit for obtaining an antenna sensing signal, and the 2.4GRF transmitting module is internally provided with a detecting circuit for providing a wake-up signal according to the amplitude and the carrier frequency of the antenna sensing signal, and whether the wake-up signal is effective is determined by judging whether the amplitude and the carrier frequency of the antenna sensing signal meet the preset conditions, so that the probability of being awakened by mistake is effectively reduced, and the reliability of awakening by a rear-stage load circuit is ensured.

The specific use mode and function of the embodiment are as follows:

the specially designed gateway router has the advantages that a router CPU in the gateway router can detect a call instruction sent by a management center, after the call instruction is received, the router CPU commands a 2.4G RF transmitting module circuit to send a string of wireless wake-up signals to wake up a wifi safety helmet near the gateway, so that the safety helmet can realize a call function, after the call is completed, the 2.4G RF transmitting module does not send the wake-up instruction any more, and the field safety helmet can enter a wifi closing state;

and after the 2.4G RF receiving module at the safety helmet end receives the wake-up signal of the gateway, the signal is sent to the main control MCU, the main control MCU opens the wifi for conversation, and after the conversation is finished, the MCU immediately closes the wifi system and enters a low power consumption state.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A method for waking up a wireless gateway of a wifi voice communication safety helmet is characterized by comprising the following steps: the method for waking up the wireless gateway of the safety helmet through the WiFi voice communication comprises a safety helmet system and a gateway router system, wherein the safety helmet system is composed of a WiFi system, a main control MCU, a 2.4G RF receiving module and a 2.4G antenna, and the output end of the 2.4G RF receiving module is connected with the signal input end of the main control MCU; the signal output end of the main control MCU is connected with the signal input end of the WiFi system, and the signal output end of the WiFi system is connected with the signal input end of the main control MCU; the gateway router system is composed of a WiFi antenna, a 2.4G RF transmitting module, a router CPU and an RJ45 access broadband network, wherein the signal input end of the 2.4G RF transmitting module is connected with the signal output end of the router CPU; the router CPU and the RJ45 access broadband network are bidirectional connection channels.

2. The method for waking up a wifi voice communication safety helmet wireless gateway as recited in claim 1, wherein: the 2.4G RF receiving module is provided with a low-power consumption receiving IC chip, and the power consumption is 10-20mA during work.

3. The method for waking up a wifi voice communication safety helmet wireless gateway as recited in claim 1, wherein: the 2.4G RF receiving module works intermittently, only works for 10 milliseconds per second, and the average current is 0.2 mA.

4. The method for waking up a wifi voice communication safety helmet wireless gateway as recited in claim 1, wherein: and the 2.4G RF transmitting module is internally provided with a low-power consumption generation IC chip and continuously sends out a wake-up instruction.

5. The method for waking up a wifi voice communication safety helmet wireless gateway as recited in claim 1, wherein: the 2.4G RF receiving module and the 2.4G RF transmitting module are the same as the working frequency band of the WiFi system.

6. The method for waking up a wifi voice communication safety helmet wireless gateway as recited in claim 1, wherein: the coverage range of the WiFi antennas on the 2.4G RF receiving module and the 2.4G RF transmitting module is the same as that of the WiFi antennas on the WiFi system.

7. The method for waking up a wifi voice communication safety helmet wireless gateway as recited in claim 1, wherein: and a receiving circuit is arranged in the 2.4G RF transmitting module and is used for obtaining antenna sensing signals.

8. The method for waking up a wifi voice communication safety helmet wireless gateway as recited in claim 1, wherein: the 2.4G RF transmitting module is internally provided with a detection circuit and used for providing a wake-up signal according to the amplitude and the carrier frequency of the antenna sensing signal.