CN111542032A - Wireless remote meter reading device and method - Google Patents
Wireless remote meter reading device and method Download PDFInfo
- Publication number
- CN111542032A CN111542032A CN202010334328.2A CN202010334328A CN111542032A CN 111542032 A CN111542032 A CN 111542032A CN 202010334328 A CN202010334328 A CN 202010334328A CN 111542032 A CN111542032 A CN 111542032A
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- bluetooth
- wireless remote
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
- H04Q2209/43—Arrangements in telecontrol or telemetry systems using a wireless architecture using wireless personal area networks [WPAN], e.g. 802.15, 802.15.1, 802.15.4, Bluetooth or ZigBee
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/60—Arrangements in telecontrol or telemetry systems for transmitting utility meters data, i.e. transmission of data from the reader of the utility meter
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Selective Calling Equipment (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a wireless remote meter reading device and a method, wherein the meter reading method comprises the following steps: establishing communication connection between the mobile terminal and a Bluetooth module on the MCU main controller module, and establishing communication connection between the Bluetooth module and a Bluetooth instrument; the MCU main controller module receives a meter reading control instruction sent by an application program on the mobile terminal through the Bluetooth module and sends the meter reading control instruction to the Bluetooth instrument through the Bluetooth module; the MCU master controller module receives meter reading data fed back by the Bluetooth instrument through the Bluetooth module and sends the meter reading data to the wireless remote meter reading platform through the NB-IoT module or the LoRa module. According to the technical scheme, the Bluetooth instrument equipment can be controlled, space resources are not occupied, the Bluetooth module is low in cost, wireless remote meter reading for the Bluetooth instrument is achieved through the NB-IoT module or the LoRa module, and product cost and development cost are reduced.
Description
Technical Field
The invention relates to the technical field of remote measurement and control, in particular to a wireless remote meter reading device and a wireless remote meter reading method.
Background
On the traditional manual meter reading mode, the existing modified remote meter reading mode has the following problems:
1. in the traditional meter reading mode, meter reading equipment is additionally arranged on meters (including a water meter, an electric meter, a gas meter, a heat meter and the like) to realize the reading and control of the information of the meters, so that the cost of the meters is increased.
2. Special meter reading equipment is installed in the corridor and the passageway, development and product cost is increased, and space resources are occupied.
3. The meter reading protocol is single, the signal transmission adopts wires or short distance, and the meter reading rate is low.
In addition, the existing LED light source driver adopts a voltage boosting-reducing circuit, and only provides driving power and control for the LED light source.
Disclosure of Invention
Aiming at least one of the problems, the invention provides a wireless remote meter reading device and a method, a Bluetooth module on a MCU (micro controller Unit) main controller module is in communication connection with one or more Bluetooth meters, meter reading data are controlled by a received meter reading control instruction and are sent to a wireless remote meter reading platform through an NB-IoT module or a LoRa module on the MCU main controller module, under the premise of not increasing the cost of the meters, the MCU main controller module can control a plurality of Bluetooth meter devices, the MCU main controller module and an LED light source driver are shared, space resources are not occupied, the cost of the Bluetooth module is low, wireless remote meter reading aiming at the Bluetooth meters is realized through the NB-IoT module or the LoRa module, and the product cost and the development cost are reduced.
In order to achieve the purpose, the invention provides a wireless remote meter reading device which comprises an MCU (microprogrammed control unit) main controller module, wherein a wireless communication module and a Bluetooth module are arranged on the MCU main controller module; the Bluetooth module is in communication connection with one or more Bluetooth instruments through a Bluetooth communication protocol; the wireless communication module adopts an NB-IoT (Narrow Band Internet of Things) module or a LoRa module, and is in communication connection with the wireless remote meter reading platform through a corresponding wireless communication protocol.
In the above technical solution, preferably, the MCU main controller module is installed in an existing LED light source driver, and the MCU main controller module is connected to the LED light source through an interface.
The invention also provides a wireless remote meter reading method, which is applied to the wireless remote meter reading device in any one of the technical schemes and comprises the following steps: establishing communication connection between a mobile terminal and a Bluetooth module on an MCU main controller module, wherein the Bluetooth module is in communication connection with a Bluetooth instrument; the MCU master controller module receives a meter reading control instruction sent by an application program on the mobile terminal through the Bluetooth module and sends the meter reading control instruction to the Bluetooth instrument through the Bluetooth module; the MCU master controller module receives meter reading data fed back by the Bluetooth instrument through the Bluetooth module and sends the meter reading data to a wireless remote meter reading platform through the wireless communication module, and the wireless communication module adopts an NB-IoT module or an LoRa module.
In the above technical solution, preferably, the mobile terminal directly establishes a communication connection with the bluetooth meter; the Bluetooth instrument receives a meter reading control instruction sent by an application program on the mobile terminal and sends meter reading data to the MCU main controller module through the Bluetooth module; and the MCU master controller module sends the meter reading data to the wireless remote meter reading platform through the wireless communication module.
In the above technical solution, preferably, the wireless remote meter reading method further includes: the MCU main controller module receives a meter end operation instruction sent by the wireless remote meter reading platform through the wireless communication module; the MCU master controller module sends the meter end operation instruction to the Bluetooth instrument through the Bluetooth module; and the Bluetooth instrument executes corresponding operation according to the meter end operation instruction.
In the above technical solution, preferably, the MCU main controller module installed in the LED light source driver further receives an LED light source adjustment instruction sent by an application program on the mobile terminal, and the MCU main controller module controls the brightness and the on/off of the LED light source according to the LED light source adjustment instruction.
In the above technical solution, preferably, the wireless remote meter reading platform updates the meter reading data after receiving the meter reading data, and synchronizes to the application program of the mobile terminal.
In the above technical solution, preferably, the bluetooth meter includes a water meter, an electric meter, a gas meter and a heat meter.
Compared with the prior art, the invention has the beneficial effects that: the Bluetooth module on the MCU main controller module is in communication connection with one or more Bluetooth instruments, the Bluetooth instruments are controlled to feed back meter reading data through received meter reading control instructions, the meter reading data are sent to the wireless remote meter reading platform through the NB-IoT module or the LoRa module on the MCU main controller module, on the premise of not increasing the instrument cost, a plurality of Bluetooth instrument devices can be controlled by the MCU main controller module, the MCU main controller module is shared with the LED light source driver, no space resource is occupied, the Bluetooth module is low in cost, wireless remote meter reading for the Bluetooth instruments is realized through the NB-IoT module or the LoRa module, and the product cost and the development cost are reduced.
Drawings
Fig. 1 is a schematic diagram of a wireless remote meter reading device according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a wireless remote meter reading method according to an embodiment of the present invention.
In the drawings, the correspondence between each component and the reference numeral is:
the system comprises an MCU main controller module, 12 a wireless communication module, 13 a Bluetooth module, 14 a wireless remote meter reading platform, 15 an LED light source and 2 a Bluetooth instrument.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention is described in further detail below with reference to the attached drawing figures:
as shown in fig. 1, according to the wireless remote meter reading device provided by the present invention, the wireless remote meter reading device includes an MCU master controller module 11, and the MCU master controller module 11 is provided with a wireless communication module 12 and a bluetooth module 13; the Bluetooth module 13 is in communication connection with one or more Bluetooth instruments 2 through a Bluetooth communication protocol; the wireless communication module 12 adopts an NB-IoT module or an LoRa module, and the wireless communication module 12 is in communication connection with the wireless remote meter reading platform 14 through a corresponding wireless communication protocol.
In this embodiment, through bluetooth module 13 and one or more bluetooth instrument 2 communication connection on the MCU master controller module 11, can control a plurality of bluetooth instrument 2 devices, control bluetooth instrument 2 feedback meter reading data through the meter reading control instruction that receives, and send to wireless remote meter reading platform 14 through NB-IoT module or LoRa module on the MCU master controller module 11, single MCU can realize that the meter reading data of multiunit bluetooth instrument 2 uploads, and bluetooth module 13 is with low costs, under the prerequisite that does not increase the instrument cost, realize the wireless remote meter reading to bluetooth instrument through NB-IoT module or LoRa module, product cost and development cost have been reduced.
The NB-IoT module supports cellular data connection of low-power consumption equipment in a wide area network, and supports efficient connection of equipment which has long standby time and high requirement on network connection. And current 4G network is not enough in thing and thing connection ability, in addition, compares short distance communication technologies such as bluetooth, zigBee, and mobile cellular network possesses characteristics such as wide coverage, portable and the big number of connections, can bring abundanter application scene. The LoRa module can provide local, national or global networks for the wireless equipment, can realize seamless butt joint interoperation among the intelligent equipment without local complex configuration, and has stronger anti-jamming capability and superstrong link budget. Therefore, the wireless communication module 12 of the present invention is based on the NB-IoT module or the LoRa module, and not only can be applied to the wireless remote meter reading process, but also can realize automatic meter reading on the basis, and does not need manual meter reading operation.
In the above embodiment, preferably, the MCU master controller module 11 is installed in the existing LED light source driver, and the MCU master controller module 11 is connected to the LED light source 15 through an interface, so that the MCU master controller module 11 and the LED light source driver are shared, and therefore, the space resource is not occupied, and the product cost is reduced. On the basis, through the control of the application program of the mobile terminal, the on-off and brightness adjustment of the LED light source 15 can be realized, and meanwhile, the meter reading control of the Bluetooth instrument 2 can be realized.
As shown in fig. 2, the present invention further provides a wireless remote meter reading method, which is applied to the wireless remote meter reading device in any of the above embodiments, and includes: establishing communication connection between the mobile terminal and a Bluetooth module 13 on an MCU main controller module 11, and establishing communication connection between the Bluetooth module 13 and a Bluetooth instrument 2; the MCU main controller module 11 receives a meter reading control instruction sent by an application program on the mobile terminal through the Bluetooth module 13, and sends the meter reading control instruction to the Bluetooth instrument 2 through the Bluetooth module 13; the MCU main controller module 11 receives meter reading data fed back by the Bluetooth instrument 2 through the Bluetooth module 13, and sends the meter reading data to the wireless remote meter reading platform 14 through the wireless communication module 12, wherein the wireless communication module 12 adopts an NB-IoT module or an LoRa module.
In this embodiment, the mobile terminal carries out indirect communication connection with bluetooth instrument 2 through bluetooth module 13 on the MCU main controller module 11, can conveniently realize the control operation of checking meter to different bluetooth instruments 2 through the MCU main controller module 11, the application program interface on the mobile terminal conveniently selects the command of controlling to different bluetooth instruments 2, can realize controlling one to many through the transfer of NB-IoT module or LoRa module on the MCU main controller module 11, do not need to connect each different bluetooth instrument 2 alone, also be convenient for manage each different bluetooth instrument 2. Based on the characteristics of the NB-IoT module or the LoRa module, the method and the device can be suitable for the wireless remote meter reading process, can realize automatic meter reading on the basis, do not need manual meter reading operation, support low-power consumption equipment and have long standby time.
In the above embodiment, preferably, the mobile terminal directly establishes a communication connection with the bluetooth meter 2; the Bluetooth instrument 2 receives a meter reading control instruction sent by an application program on the mobile terminal, and sends meter reading data to the MCU main controller module 11 through the Bluetooth module 13; the MCU main controller module 11 transmits the meter reading data to the wireless remote meter reading platform 14 through the wireless communication module 12.
In this embodiment, the mobile terminal directly communicates with the bluetooth meter 2, and sends a meter reading control instruction to the bluetooth meter 2 in a targeted manner, and after the bluetooth meter 2 receives the meter reading control instruction, the fed-back data is not directly fed back to the mobile terminal, but is still sent to the wireless remote meter reading platform 14 through the MCU main controller module 11 by using the NB-IoT module or the LoRa module, without considering the data interface conversion capability of the mobile terminal, and the synchronous update and data management of the meter reading data on the wireless remote meter reading platform 14 can also be ensured. In this embodiment, the direct communication connection of the mobile terminal to the bluetooth meter 2 can further check the bluetooth meter 2 for malfunction and device commissioning separately.
According to the bluetooth instrument 2 that above-mentioned embodiment provided and the indirect connection between mobile terminal and the bluetooth module 13 that bluetooth instrument 2 passes through MCU main control unit module 11 and the mobile terminal, the provision of two kinds of connected modes, when taking into account the automation to the bluetooth instrument and checking meter, still improved functions such as installation, debugging, detection to the bluetooth instrument, convenient operation, installation are convenient, and the cost is lower.
In the above embodiment, preferably, the wireless remote meter reading method further includes: the MCU main controller module 11 receives a meter end operation instruction sent by the wireless remote meter reading platform 14 through an NB-IoT module or an LoRa module; the MCU main controller module 11 sends the meter end operation instruction to the Bluetooth instrument 2 through the Bluetooth module 13; and the Bluetooth instrument 2 executes corresponding operation according to the instrument end operation instruction. When operations such as equipment debugging and the like need to be carried out on the Bluetooth instrument 2, manual operations on the spot are not needed, the meter end operation instruction is sent to the Bluetooth instrument 2 through the wireless remote meter reading platform 14, the meter end operation instruction is sent to the MCU main controller module 11 through the NB-IoT module or the LoRa module, and then the MCU main controller module 11 forwards the instruction to the corresponding Bluetooth instrument 2.
In the above embodiment, preferably, the MCU main controller module 11 installed in the LED light source driver further receives an LED light source adjusting instruction sent by an application program on the mobile terminal, and the MCU main controller module 11 controls the brightness and the on/off of the LED light source 15 according to the LED light source adjusting instruction. The MCU main controller module 11 is installed by utilizing the existing LED light source driver, so that wireless meter reading can be realized, and on-off control and brightness adjustment aiming at the LED light source 15 can also be realized. Further, an LED light source adjusting instruction can be sent to the MCU main controller module 11 through the wireless remote meter reading platform 14, so that remote control and remote adjustment of the LED light source 15 can be realized.
In the above embodiment, further, the MCU main controller module 11 may further be connected to other smart home devices through the bluetooth module 13 to obtain operating state information of the smart home devices, and then send an operation command to the MCU main controller module 11 through the wireless remote meter reading platform 14, and the smart home devices execute corresponding operations according to the operation command, so as to achieve remote control and remote adjustment of the smart home devices.
In the above embodiment, besides the NB-IoT module or the LoRa module, the wireless communication module 12 may also adopt other wireless communication modules in the field of internet of things, and utilize corresponding wireless communication protocols to implement communication connection between the MCU main controller module 11 and the wireless remote meter reading platform 14, which is not described herein again.
In the above embodiment, preferably, the wireless remote meter reading platform 14 updates the meter reading data after receiving the meter reading data, and synchronizes to the application program of the mobile terminal, so that the meter reading data of each bluetooth meter 2 can be checked in real time through the application program of the mobile terminal.
In the above embodiment, preferably, the bluetooth meter 2 includes, but is not limited to, a water meter, an electric meter, a gas meter, and a heat meter.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a wireless remote device of checking meter, is applied to the operation of checking meter of bluetooth instrument, its characterized in that:
the wireless remote meter reading device comprises an MCU (microprogrammed control Unit) main controller module, and a wireless communication module and a Bluetooth module are arranged on the MCU main controller module;
the Bluetooth module is in communication connection with one or more Bluetooth instruments through a Bluetooth communication protocol;
the wireless communication module adopts an NB-IoT module or an LoRa module, and is in communication connection with the wireless remote meter reading platform through a corresponding wireless communication protocol.
2. The wireless remote meter reading device according to claim 1, wherein the MCU master controller module is installed in an existing LED light source driver, and the MCU master controller module is connected to the LED light source through an interface.
3. A wireless remote meter reading method applied to the wireless remote meter reading device according to claim 1 or 2, comprising:
establishing communication connection between a mobile terminal and a Bluetooth module on an MCU main controller module, wherein the Bluetooth module is in communication connection with a Bluetooth instrument;
the MCU master controller module receives a meter reading control instruction sent by an application program on the mobile terminal through the Bluetooth module and sends the meter reading control instruction to the Bluetooth instrument through the Bluetooth module;
the MCU master controller module receives meter reading data fed back by the Bluetooth instrument through the Bluetooth module and sends the meter reading data to a wireless remote meter reading platform through the wireless communication module, and the wireless communication module adopts an NB-IoT module or an LoRa module.
4. The wireless remote meter reading method according to claim 3, wherein:
the mobile terminal directly establishes communication connection with the Bluetooth instrument;
the Bluetooth instrument receives a meter reading control instruction sent by an application program on the mobile terminal and sends meter reading data to the MCU main controller module through the Bluetooth module;
and the MCU master controller module sends the meter reading data to the wireless remote meter reading platform through the wireless communication module.
5. The wireless remote meter reading method according to claim 3 or 4, further comprising:
the MCU main controller module receives a meter end operation instruction sent by the wireless remote meter reading platform through the wireless communication module;
the MCU master controller module sends the meter end operation instruction to the Bluetooth instrument through the Bluetooth module;
and the Bluetooth instrument executes corresponding operation according to the meter end operation instruction.
6. The wireless remote meter reading method according to claim 3, wherein the MCU main controller module installed in the LED light source driver further receives an LED light source adjusting instruction sent by an application program on the mobile terminal, and the MCU main controller module controls the brightness and the on-off of the LED light source according to the LED light source adjusting instruction.
7. The wireless remote meter reading method according to claim 3, wherein the wireless remote meter reading platform updates the meter reading data after receiving the meter reading data and synchronizes to the application program of the mobile terminal.
8. The wireless remote meter reading method according to claim 3, wherein the Bluetooth meter comprises a water meter, an electric meter, a gas meter and a heat meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010334328.2A CN111542032A (en) | 2020-04-24 | 2020-04-24 | Wireless remote meter reading device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010334328.2A CN111542032A (en) | 2020-04-24 | 2020-04-24 | Wireless remote meter reading device and method |
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| CN111542032A true CN111542032A (en) | 2020-08-14 |
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| CN202010334328.2A Pending CN111542032A (en) | 2020-04-24 | 2020-04-24 | Wireless remote meter reading device and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968358A (en) * | 2020-08-25 | 2020-11-20 | 惠州市智源物联科技有限公司 | Meter reading system and meter reading method based on narrowband Internet of things |
| CN112004205A (en) * | 2020-08-25 | 2020-11-27 | 惠州市智源物联科技有限公司 | Industrial data acquisition system and method based on narrow-band Internet of things |
| CN112492571A (en) * | 2020-11-30 | 2021-03-12 | 沈畅 | Low-power-consumption communication method and system for wireless meter reading |
| CN113423100A (en) * | 2021-06-23 | 2021-09-21 | 宁夏隆基宁光仪表股份有限公司 | NB instrument testing method, system and equipment based on AES encryption |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202600940U (en) * | 2012-03-27 | 2012-12-12 | 无锡市云感科技股份有限公司 | Wireless meter reading system |
| CN104809862A (en) * | 2015-05-21 | 2015-07-29 | 成都康伟力创科技有限公司 | Remote gas meter reading network system |
| CN105050246A (en) * | 2015-06-24 | 2015-11-11 | 上海卓易科技股份有限公司 | Method for adjusting light brightness by using mobile terminal and mobile terminal |
| CN205751219U (en) * | 2016-06-28 | 2016-11-30 | 宁波平衡线电子科技有限公司 | Bluetooth is checked meter acquisition system |
| CN106257949A (en) * | 2015-06-16 | 2016-12-28 | 赵依军 | Indoor wireless communication net and Internet of things system |
| CN107230338A (en) * | 2017-07-12 | 2017-10-03 | 南京工业职业技术学院 | A kind of wireless gas kilowatt meter reading-out system based on ZigBee |
| CN108010296A (en) * | 2017-12-08 | 2018-05-08 | 福建上润精密仪器有限公司 | A kind of low-power consumption Internet of Things kilowatt meter reading-out system |
| CN109688563A (en) * | 2017-10-19 | 2019-04-26 | 中兴通讯股份有限公司 | A kind of meter register method, meter reading terminal, concentrator and computer readable storage medium |
-
2020
- 2020-04-24 CN CN202010334328.2A patent/CN111542032A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202600940U (en) * | 2012-03-27 | 2012-12-12 | 无锡市云感科技股份有限公司 | Wireless meter reading system |
| CN104809862A (en) * | 2015-05-21 | 2015-07-29 | 成都康伟力创科技有限公司 | Remote gas meter reading network system |
| CN106257949A (en) * | 2015-06-16 | 2016-12-28 | 赵依军 | Indoor wireless communication net and Internet of things system |
| CN105050246A (en) * | 2015-06-24 | 2015-11-11 | 上海卓易科技股份有限公司 | Method for adjusting light brightness by using mobile terminal and mobile terminal |
| CN205751219U (en) * | 2016-06-28 | 2016-11-30 | 宁波平衡线电子科技有限公司 | Bluetooth is checked meter acquisition system |
| CN107230338A (en) * | 2017-07-12 | 2017-10-03 | 南京工业职业技术学院 | A kind of wireless gas kilowatt meter reading-out system based on ZigBee |
| CN109688563A (en) * | 2017-10-19 | 2019-04-26 | 中兴通讯股份有限公司 | A kind of meter register method, meter reading terminal, concentrator and computer readable storage medium |
| CN108010296A (en) * | 2017-12-08 | 2018-05-08 | 福建上润精密仪器有限公司 | A kind of low-power consumption Internet of Things kilowatt meter reading-out system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968358A (en) * | 2020-08-25 | 2020-11-20 | 惠州市智源物联科技有限公司 | Meter reading system and meter reading method based on narrowband Internet of things |
| CN112004205A (en) * | 2020-08-25 | 2020-11-27 | 惠州市智源物联科技有限公司 | Industrial data acquisition system and method based on narrow-band Internet of things |
| CN112492571A (en) * | 2020-11-30 | 2021-03-12 | 沈畅 | Low-power-consumption communication method and system for wireless meter reading |
| CN112492571B (en) * | 2020-11-30 | 2022-09-13 | 沈畅 | Low-power-consumption communication method and system for wireless meter reading |
| CN113423100A (en) * | 2021-06-23 | 2021-09-21 | 宁夏隆基宁光仪表股份有限公司 | NB instrument testing method, system and equipment based on AES encryption |
| CN113423100B (en) * | 2021-06-23 | 2024-03-29 | 宁夏新立电子有限公司 | AES encryption-based NB instrument inspection method, system and equipment |
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