TWM638250U - Device of wireless internet-of-things system for remote intelligent detection and control instruments - Google Patents

Abstract

This creation provides a wireless Internet of Things system device for remote intelligent detection and control of instruments, which includes a series of sensing devices that are electrically connected to a series of instruments, a broadcast transceiver unit that is electrically connected and a series of main Perform a main broadcast to each of the sensing devices at the time of the time period and notify the next major broadcast time and receive and transmit the information of the corresponding instrument provided by each of the sensing devices, a network server unit is electrically connected to the broadcast transceiver unit and the following The information of the broadcast transceiver unit is received and transmitted through the Internet, and an application service unit is electrically connected to the network server unit, and the information of the instrument corresponding to each of the sensing devices is received and stored through the Internet; wherein, each of the sensing devices The device communicates with the broadcast transceiver unit through a wireless communication method of a low power consumption wide area network, and the broadcast transceiver unit communicates with the network server unit through a global mobile communication system using a user identity module.

Description

The device of the wireless Internet of Things system for remote intelligent detection and control instruments

This creation is about a detection and recording system of instrument information, especially a device for a wireless Internet of Things system for remote intelligent detection and control of instruments.

Regarding the natural gas gas meter, electric meter and water meter used by every household, it needs to read the meter and record the degree on it at regular intervals, so as to settle the degree used by each household and collect fees. The traditional method is to use it manually. The meter reader goes to the meter of each household to read and record the meter; with the development of electronic technology, a portable electronic product can be carried by a meter reader to the meter of each household to obtain the information of the meter and shorten the reading time. However, it is often impossible to complete the meter reading work in real time due to factors such as the user not being at home or being covered by terrain and features around the meter.

Among them, with the development of electronic technology, through the development of a microcomputer gas meter, the microcomputer gas meter information of each user is assembled in a transmitter by wire, and then transmitted to a meter reading center by wire telephone network , the above-mentioned wired meter reading method has the disadvantages of high construction and maintenance costs and unstable system communication; a regional wireless meter reading method was subsequently developed, which is to equip each meter with a wireless sub-machine to wirelessly transmit the information of the meter A meter reader can carry a wireless receiver to a user's door to wake up the wireless handset and receive the information of the meter. The aforementioned regional wireless meter reading method still has the disadvantages of high cost and unstable system communication, and wakes up each wireless handset. It takes 1 to 2 minutes for the machine to run, and the cost and power consumption are large.

Another way of receiving and transmitting is to use NB-IOT narrow-band Internet of Things (Narrowband Internet of Things) public protocol method, which is a communication device with a Subscriber Identity Module (SIM) on each microcomputer natural gas meter and the Global System for Mobile Communications (GSM) ) way to transmit and receive communication, each communication device is equipped with a SIM card and the operation time of wake-up is about 1 minute, which is also high cost and power consumption.

The main purpose of this creation is to provide a wireless IoT system device for remote intelligent detection and control of meters, which has the function of wireless detection and control of meters and eliminates the work of manual meter reading.

The secondary purpose of this creation is to provide a wireless IoT system device for remote intelligent detection and control of instruments, which can detect abnormal information in real time and process it.

Another purpose of this creation is to provide a device for a wireless Internet of Things system for remote intelligent detection and control of instruments, which has the effect of saving power.

Another purpose of this creation is to provide a device for a wireless Internet of Things system for remote intelligent detection and control of instruments, which can provide statistical analysis of a large amount of data.

The reason is that, in order to achieve the above-mentioned purpose, this creation provides a device for a wireless Internet of Things system for remote intelligent detection and control of instruments, which includes a series of sensing devices that are electrically connected to a series of instruments, a broadcast transceiver unit and The electrical connection method and a series of main periods of time make a main broadcast to each of the sensing devices and notify the time of the next major broadcast, and receive and transmit the information of the corresponding instrument provided by each of the sensing devices, a network server unit An application service unit is electrically connected to the network server unit and receives and stores information of the broadcast transceiver unit through the Internet. The information of the instrument corresponding to each of the sensing devices; wherein, each of the sensing devices uses a wireless communication method of a low-power wide area network to communicate with the broadcast transceiver unit, and the broadcast transceiver unit uses a user identity module to act globally A communication system is used to communicate with the network server unit.

Below, one of the preferred embodiments of this creation is cited hereby, and further detailed description is given in conjunction with the drawings as follows:

12: Sensing device

14:Broadcast transceiver unit

16: Network server unit

18: Application service unit

10: Area-aware broadcast transceiver unit

11: Meter

501: A series of sensing devices are electrically connected to a series of instruments respectively

502: A broadcast transceiver unit conducts a main broadcast to each of the sensing devices and notifies the time of the next major broadcast by means of electrical connection and a series of main time periods, and receives and transmits the information of the corresponding instrument provided by each of the sensing devices

503: A network server unit is electrically connected to the broadcast transceiver unit and receives and transmits the information of the broadcast transceiver unit through the Internet

504: An application service unit is electrically connected to the network server unit and receives and stores the information of the meters corresponding to the sensing devices through the Internet

Figure 1 is a schematic diagram of the device of this creation.

Fig. 2 is a schematic view of the device extended from Fig. 1 .

Fig. 3 is a schematic diagram of the implementation steps of this creation.

Please refer to Fig. 1 and Fig. 2, the device of the wireless Internet of Things system for remote intelligent detection and control instruments disclosed in this creation, the device at least includes a series of sensing devices 12, a broadcast transceiver unit 14, and a network server unit 16 And an application service unit 18 , wherein the series of sensing devices 12 and the broadcast transceiver unit 14 form an area awareness broadcast transceiver unit 10 .

Each sensing device 12 includes at least a first central processing unit, a first electronic circuit with a programmable control function, and a first wireless transceiver module for electrically connecting a series of instruments 11 such as a gas meter, A water meter or an electric meter, etc., each of the sensing devices 12 is used to at least include providing the label information of the corresponding meter 11, providing the use state information of the corresponding meter and controlling the use state of the corresponding meter, wherein the label information is Used to identify the corresponding meter, the use state information is such as a gas pressure, a gas usage degree, gas switch status or any combination of the above, and the use state of the corresponding meter is controlled, for example, to control the corresponding meter The power supply of each sensing device can be a battery, a commercially available disposable lithium battery can be used, and the battery power can be 9000mAh~18000mAh.

The broadcast transceiver unit 14 has an Internet function through the general packet radio service technology (GPRS, General Packet Radio Service), and it at least includes a second central processing unit, a second electronic circuit with a programmable control function and a The second wireless transceiver information module, the broadcast transceiver unit 14 is set at a suitable location, such as a suitable location of a collective residence, for wirelessly connecting each of the sensing devices 12 to be wired to each user's meter 11, by the first Two wireless transceiver information modules, used to separately receive and transmit the label information of the corresponding meters 11 provided by each sensing device 12, and to separately receive and transmit the use status of the corresponding meters 11 provided by each of the sensing devices 12 The information is used to transmit instructions separately to control the use status of the meters 11 corresponding to the sensing devices 12. The power supply of the broadcast transceiver unit can be a commercial power supply.

The network server unit 16 has an Internet function through the general packet radio service technology (GPRS, General Packet Radio Service) and is electrically connected to the broadcast transceiver unit 14 for receiving and transmitting the broadcast transceiver unit 14. The information of the second wireless transceiver information module.

The application service unit 18, such as a natural gas company, has an Internet function and is electrically connected to the network server unit 16, which at least includes a third central processing unit and an information database for receiving and storing the broadcast transceiver unit 16. The information of the second wireless transceiver information module and the instructions for transmitting and controlling the use status of the meters 11 corresponding to the sensing devices 12, for example, when it is detected that one of the meters has been in a low pressure state of natural gas pressure, the application service The information database of the unit 18 will send out a warning signal, so that the application service unit 18 can take the initiative to solve whether there is a risk of gas leakage. The information database of the unit 18 will send out a message for the application service unit 18 to transmit an instruction in real time to control the instrument 11 to be in an open state.

The first wireless transceiver module of each sensing device 12 uses a low power wide area network (Low Power Wide Area Network, LPWAN) wireless communication method to receive and transmit information corresponding to the broadcast transceiver unit 14. The wireless communication over the wide area network is a predetermined frequency and adopts a proprietary protocol.

The second wireless transceiver information module of the broadcast transceiver unit 14 includes a subscriber identity module (Subscriber Identity Module, SIM) in the form of Global System for Mobile Communications (GSM) and can pass through a The base station of the network server unit 16 receives and transmits information corresponding to the network server unit 16 , including the time of the broadcast transceiver unit 14 corresponding to the time of the network server unit 16 .

Each of the sensing devices 12 is in normal sleep, and it is usually awakened by self-timing and the corresponding instrument has an abnormal message and wakes up.

The broadcast transceiver unit 14 performs a main broadcast to each of the sensing devices 12 in a series of main time periods and notifies the time of the next main broadcast, wherein each main time period includes a first time period and a second time period in sequence the timing.

During the first period of time, each sensing device 12 can wake up by self-timing under normal sleep conditions, so that the broadcast transceiver unit 14 performs the main broadcast to each sensing device 12 and notifies the next main broadcast. Broadcast time, and each of the sensing devices 12 sleeps after performing the following actions:

1. The broadcast transceiver unit 14 can be communicated separately, so that the time of each sensing device 12 corresponds to the time of the broadcast transceiver unit 14, so that the broadcast transceiver unit 14 can be processed in batches Each of the sensing devices 12 or an appropriate sensing device 12 is then separately timed by itself to wake up and communicate with the rest of the sensing devices 12 to receive the next main broadcast time.

2. The sensing device 12 of the corresponding instrument has an abnormal message to notify the broadcast transceiver unit 14 for the broadcast transceiver unit 14 to process the abnormal message, for example, the broadcast transceiver unit 14 receives a message and transmits it to the application service unit 18, and then the The application service unit 18 stores and/or transmits instructions to the broadcast transceiver unit 14 to control the use status of the meters 11 corresponding to the sensing devices 12 .

The second period comprises a series of sub-sessions, each of which wakes up to communicate with the broadcast transceiver unit as one of the sensing devices 12 comprising the batch process or selecting an appropriate sensing device 12 self-times. After 14, sleep, the sensing device 12 corresponding to the instrument with abnormal information communicates with the broadcast transceiver unit and sleep or the aforementioned combination, and the broadcast transceiver unit 14 is used to process the communication sensing device; usually batch processing or select an appropriate sensing device The action of 12 is the active communication that the application service unit 18 intends to carry out, and the communication with the sensing device 12 corresponding to the instrument having an abnormal message is a return communication.

Wherein, the broadcast transceiver unit 14 provides a time slot for a period of time to the sensing device 12 that the corresponding instrument has an abnormal message to randomly select different time slots to communicate with the broadcast transceiver unit 14. This is because those with the same time slot The sensing device 12 cannot communicate with the broadcast transceiver unit 14; for example, the broadcast transceiver unit 14 provides 30 seconds of time, and every 3 seconds is a time slot, and there are 10 sorted time slots to be selected.

In terms of design, each sensing device 12 can communicate with the broadcast transceiver unit 14 for 0.3 seconds to 3 seconds to provide information about the corresponding meter or receive instructions to control the use status of the corresponding meter 11; For batch processing in the first period, such as selecting 5-10 sensing devices 12. It is used to wake up one by one in the series of secondary periods of the second period to carry out the active communication of the application service unit 18 through the broadcast transceiver unit 14, and the batch processing of the first period of the next main period is then Select another 5 to 10 sensing devices 12; on the other hand, in the series of sub-periods of the second period, the reporting communication of the sensing devices 12 with abnormal information on the corresponding instruments is also carried out one by one, so as to continuously confirm the instrument 11 normality.

In design, each sensing device 12 is in normal sleep, and its self-timing and wake-up action is that the broadcast transceiver unit 14 will send a timing packet to each sensing device 12 or communicating sensing device 12 after broadcasting or communicating. , and then each sensing device 12 or communicating sensing device 12 sleeps immediately and starts counting; the mechanism of the sensing device 12 having an abnormal message in the corresponding meter is as after the broadcast transceiver unit 14 sends a message (Flag flag), then corresponding The sensing device 12 with abnormal information wakes up automatically and randomly selects time slots different from each other to report its tag information to the broadcast transceiver unit 14, and then the broadcast transceiver unit 14 communicates with the sensing device 12 according to the tag information and A timing packet is sent to the communicating sensing device 12, and then the communicating sensing device 12 sleeps and starts timing.

The device of the wireless Internet of Things system for remote intelligent detection and control instruments disclosed in this creation, wherein each main period includes at least one interval period between when the broadcast transceiver unit 14 does not use the predetermined frequency band, in other words, the broadcast transceiver unit 14 will Switch to another predetermined frequency band to broadcast during the interval period, so that a predetermined sensing device 12 such as a sensing device 12 that has not received a message for a period of time will wake itself up and switch to the other predetermined frequency band for a period of time to receive the broadcast. The broadcast message of the unit 14, this mechanism can also be used to notify each of the sensing devices 12 to switch to other predetermined frequency bands for communication, mainly to solve the problem of interference with the originally used frequency band, so as to make the area perceive the broadcast transceiver unit 10 Switch to other predetermined frequency bands for communication.

The device of the wireless Internet of Things system for remote intelligent detection and control instruments disclosed in this creation, wherein the broadcast transceiver unit 14 can take the series of main periods as periodic times such as 8, 10, 12 or 15 minutes or the series of times The main time period is a periodic time such as 1, 2 or 3 minutes, or both the series of main time periods and the series of secondary time periods are periodic times.

In order to save energy, in the design, each of the sensing devices 12 will sleep after being communicated when awakened. In other words, one of the sensing devices 12 will not sleep when it is awakened but not communicated. The frequency band used by 12 is interfered and no message is received. Therefore, each sensing device 12 can be designed with a maximum wake-up time to avoid power consumption.

The device of the wireless Internet of Things system for remote intelligent detection and control instruments disclosed in this creation, wherein the broadcast transceiver unit 14 will send a packet to each of the sensing devices 12 after waking up to communicate and before sleeping. Each sensing device 12 is notified of the next main broadcast time, so as to ensure the alignment time of each sensing device 12 in each main period.

The device of the wireless Internet of Things system for remote intelligent detection and control instruments disclosed in this creation, wherein each of the sensing device 12 and the broadcast transceiver unit 14 is provided with a communication group identity identification information, and the broadcast transceiver unit 14 includes transmitting the Communication group identification information, in other words, different area-aware broadcast transceiver units 10 set different communication group identification information to facilitate the application service unit 18 to manage each collective residence.

Please refer to FIG. 3 , the device of the wireless Internet of Things system for remote intelligent detection and control instruments disclosed in this creation, and its implementation method includes the following steps: the series of sensing devices 12 are electrically connected to the series of instruments 11 respectively. Step 501: each The sensing device 12 adopts a predetermined frequency band of a low power wide area network (Low Power Wide Area Network, LPWAN) and a wireless communication method of a private protocol to include at least It includes providing the label information of the corresponding meter 11 and providing the use status information of the corresponding meter.

The broadcast transceiver unit 14 performs a main broadcast to each of the sensing devices 12 in a series of main periods of time in an electrical connection and notifies the next time of the main broadcast, and receives and transmits the corresponding information provided by each of the sensing devices 12 respectively. The information step 502 of the meter: wherein, each main time period includes a sequence of a first time period and a second time period in sequence; during the first time period, each of the sensing devices 12 can separately Wake up by self-timing, so that the broadcast transceiver unit 14 performs the main broadcast to each of the sensing devices 12 and notifies the next time of the main broadcast, and each of the sensing devices 12 performs the following actions respectively to sleep:

(1) The broadcast transceiver unit 14 can be communicated separately, so that the time of each sensing device 12 corresponds to the time of the broadcast transceiver unit 14, so that the broadcast transceiver unit 14 processes each of the sensing devices 12 in batches or selects an appropriate The sensing devices then wake up and communicate with the rest of the sensing devices 12 to receive the next main broadcast time by timing themselves respectively.

(2) The sensing device 12 of the corresponding instrument notifies the broadcast transceiver unit 14 of the abnormal message, so that the broadcast transceiver unit 14 processes the abnormal message.

The second period includes a series of sub-sessions, each of which wakes up to communicate with the broadcast transceiver unit 14 as one of the sensing devices 12 comprising the batched sensing device 12 or selected sensing devices 12 self-times. Then sleep and the sensing device 12 corresponding to the abnormal message of the meter communicates with the broadcast transceiver unit 14 to sleep, and the broadcast transceiver unit 14 processes the communicating sensing device 12 .

The network server unit 16 is electrically connected to the broadcast transceiver unit 14 and receives and transmits the information of the broadcast transceiver unit 14 via the Internet Step 503: the broadcast transceiver unit 14 uses a user identity module (Subscriber Identity Module, SIM) to global mobile communication The Global System for Mobile Communications (GSM) method is used to correspond to the network server 16 unit to receive and transmit information.

The application service unit 18 is electrically connected to the network server unit 16 and receives and stores the information of the meters 11 corresponding to the sensing devices 12 via the Internet. Step 504 .

The aforementioned steps of this invention, wherein, step 504 includes when the information of one of the meters 11 is abnormal, the application service unit 18 transmits the control command to the sensing device 12 of the meter 11 with the abnormality, so as to control the abnormality of the meter 11. Use the status step.

The above-mentioned steps of this creation include that the broadcast transceiver unit 14 will switch to another predetermined frequency band for broadcasting within a predetermined period of time, and a predetermined sensing device 12 will self-awaken and switch to the other predetermined frequency band for a period of time to receive The broadcasting message steps of the broadcasting transceiver unit 14 .

In the aforementioned steps of this invention, the broadcast transceiver unit 14 is selected from the series of main time periods as periodicity or the series of secondary time periods as periodicity.

The device of the wireless Internet of Things system for remote intelligent detection and control instruments disclosed in this creation has the following characteristics:

1. Low power consumption, long distance, low transmission volume, and low cost.

2. One broadcast transceiver unit 14 can correspond to 500 sensing devices 12, that is, the communication fee of one SIM card can correspond to 500 meters or more.

3. With the nanosecond response time of the global mobile communication system, the work of transmission and reception can be achieved efficiently.

4. The multiple communications between the broadcast transceiver unit 14 and each of the sensing devices 12 can be processed in real time as to know whether there is any abnormality in the system.

5. Each of the sensing devices 12 sleeps normally, but is woken up by the preset broadcasting time of the broadcasting transceiver unit 14 to communicate for 0.3 seconds to 3 seconds and then sleeps immediately. The 9000mAh battery can be used for 10 years.

6. Comply with the communication time of the wireless communication specification.

16: Network server unit

18: Application service unit

10: Area-aware broadcast transceiver unit

Claims (9)

A device for a wireless Internet of Things system for remote intelligent detection and control of instruments, which at least includes: A series of sensing devices, each of which includes at least a first central processing unit, a first electronic circuit with a programmable control function, and a first wireless transceiver module for electrically connecting a series of instruments respectively, Each of the sensing devices is used to at least include providing label information of the corresponding meter, providing use status information of the corresponding meter, and controlling the use state of the corresponding meter; A broadcast transceiver unit with Internet function, which at least includes a second central processing unit, a second electronic circuit with programmable control function and a second wireless transceiver information module, the broadcast transceiver unit is set in a Appropriate positions are used to wirelessly connect each of the sensing devices, and the second wireless transceiver information module is used to separately receive and transmit the tag information of the corresponding instrument provided by each of the sensing devices, and to separately receive and transmit each of the sensing devices. The use status information of the corresponding meters provided by the sensing device and used to separately transmit instructions to control the use status of the meters corresponding to each of the sensing devices; A network server unit, which has an Internet function and is electrically connected to the broadcast transceiver unit, for receiving and transmitting the information of the second wireless transceiver module of the broadcast transceiver unit; An application service unit, which has an Internet function and is electrically connected to the network server unit, which at least includes a third central processing unit and an information database for receiving and storing the second wireless transceiver of the broadcast transceiver unit The information of the information module and the instructions for controlling the use status of the instruments corresponding to the sensing devices are transmitted to the broadcast transceiver unit; among them: The first wireless transceiver information module of each sensing device uses a low power wide area network (Low Power Wide Area Network, LPWAN) wireless communication method to receive and transmit information corresponding to the broadcast transceiver unit, the low power wide area network Lu's wireless communication is a predetermined frequency band and adopts a private agreement; The second wireless transceiver module includes a Subscriber Identity Module (SIM) to receive and transmit information corresponding to the network server unit in a Global System for Mobile Communications (GSM) manner ; The broadcast transceiver unit performs a main broadcast and notifies the time of the next main broadcast to each of the sensing devices in a series of main time periods, wherein each main time period includes a sequence of a first time period and a second time period; 1. During the first period of time, each sensing device wakes up by self-timing under normal sleep conditions, so that the broadcast transceiver unit performs the main broadcast to each sensing device and notifies the next time of the main broadcast, and Each of the sensing devices goes to sleep after performing the following actions: (A) Communicate with the broadcast transceiver unit so that the time of each sensing device corresponds to the time of the broadcast transceiver unit, so that the broadcast transceiver unit processes each of the sensing devices in batches or selects an appropriate sensing device for subsequent self-timing and wake up and communicate with the rest of the sensing devices to receive the next main broadcast time; (B) The sensing device of the corresponding instrument having an abnormal message notifies the broadcast transceiver unit for the broadcast transceiver unit to process the abnormal message; 2. The second period consists of a series of sub-sessions, each of which wakes up to communicate with the broadcast transceiver unit as a self-timing of one of the sensing devices selected from the batch of sensing devices or selecting an appropriate sensing device Then go to sleep, the sensing device with abnormal information on the corresponding instrument communicates with the broadcast transceiver unit and sleep and the group formed by the aforementioned combination, which is used for the broadcast transceiver unit to process the communication sensing device; Wherein, each of the sensing device and the broadcast transceiver unit is provided with a communication group identification information, and the broadcast transceiver unit includes transmitting the communication group identification information; The broadcast transceiver unit provides a time slot for a period of time to the corresponding sensing device with an abnormal message in the instrument to randomly select different time slots to communicate with the broadcast transceiver unit; The broadcast transceiver unit sends a packet to each of the sensing devices after waking up to communicate with the sensing devices and before going to sleep, notifying the next main broadcast time. The device of the wireless Internet of Things system for remote intelligent detection and control instruments as described in claim item 1, wherein the broadcast transceiver unit will switch to another predetermined frequency band to broadcast within a predetermined period of time, so that a predetermined sensing device will automatically Wake up and switch to another predetermined frequency band for a period of time to receive the broadcast message of the broadcast transceiver unit. The device of the wireless Internet of Things system for remote intelligent detection and control instruments as described in claim 1, wherein the power supply of each sensing device is a battery, the power supply of the broadcast transceiver unit is a commercial power supply, and the power supply of each sensing device The corresponding meter is a gas meter, and the use status information of the meter corresponding to each sensing device at least includes a group consisting of a gas pressure, a gas usage degree, a switch state, a battery voltage, and any combination of the foregoing. Group, each of the sensing devices controls the gas switch of the corresponding instrument. The device of the wireless Internet of Things system for remote intelligent detection and control instruments as described in claim 2, wherein the power supply of each sensing device is a battery, the power supply of the broadcast transceiver unit is a commercial power supply, and the power supply of each sensing device The corresponding meter is a gas meter, and the use status information of the meter corresponding to each sensing device at least includes a group consisting of a gas pressure, a gas usage degree, a switch state, a battery voltage, and any combination of the foregoing. Group, each of the sensing devices controls the gas switch of the corresponding instrument. The device of the wireless Internet of Things system for remote intelligent detection and control instruments as described in claim item 1, wherein, when the information of one of the instruments is abnormal, the information database of the application service unit will send a message and transmit the control command to the instrument. The sensing device for abnormal meters is used to control the use status of abnormal meters. The device of the wireless Internet of Things system for remote intelligent detection and control instruments as described in claim item 2, wherein, when the information of one of the instruments is abnormal, the information database of the application service unit will send a message and transmit the control command to the instrument. The sensing device for abnormal meters is used to control the use status of abnormal meters. The device of the wireless Internet of Things system for remote intelligent detection and control instruments as described in any one of claim items 1 to 6, wherein the broadcast transceiver unit is selected from the series of main periods as periodic, and the series of secondary periods as Periodicity and groups formed by combinations of the foregoing. The device of the wireless Internet of Things system for remote intelligent detection and control instruments as described in any one of claims 1 to 6, wherein each sensing device is provided with a maximum wake-up time. The device of the wireless Internet of Things system for remote intelligent detection and control instruments as described in claim 7, wherein each sensing device is provided with a maximum wake-up time.

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