CN112489403A - Remote meter reading method and device - Google Patents
Remote meter reading method and device Download PDFInfo
- Publication number
- CN112489403A CN112489403A CN202011142014.9A CN202011142014A CN112489403A CN 112489403 A CN112489403 A CN 112489403A CN 202011142014 A CN202011142014 A CN 202011142014A CN 112489403 A CN112489403 A CN 112489403A
- Authority
- CN
- China
- Prior art keywords
- meter reading
- information
- meter
- gateway
- electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Abstract
The application relates to the technical field of power devices and discloses a remote meter reading method and a remote meter reading device, wherein the remote meter reading method comprises the following steps: reading ammeter information by a meter reading device; the meter reading device transmits the ammeter information to the gateway through the wireless communication module; the gateway processes the received electric meter information and converts the electric meter information into an electric quantity value; the gateway transmits the electric quantity value to the server through network communication; the server records the read electric quantity value. The information is transmitted wirelessly, wiring construction is not needed, and the construction cost of the remote meter reading system is reduced; and then, the received earth electric meter information is processed and converted through the gateway, so that the intelligent electric meter and the pulse electric meter can be compatible, the meter reading of the two electric meters can be realized, the non-intelligent electric meter does not need to be replaced, and the social resources are saved.
Description
Technical Field
The application relates to the technical field of power devices, in particular to a remote meter reading method and device.
Background
Collecting the electric quantity data is the basis for realizing energy management. The meters such as water meters, electric meters, gas meters and the like in the home of each household in the residential area are installed at different positions, some meters (such as electric meters) are installed in a centralized mode, and some meters (such as water meters) are scattered in the home of the household, so that the challenges are brought to meter reading statistics and system design work of management departments. The traditional manual meter reading needs to be recorded at home, the efficiency is low, data is prone to making mistakes, maintenance and management are difficult, and the engineering cost and the labor cost are high, so that the traditional manual meter reading is gradually replaced. Along with the proposal of the concept of the smart city, the domestic intelligent system is improved day by day, and the wireless remote meter reading system is in operation, thereby solving a series of problems of manual meter reading, saving the labor cost, but also having problems.
At present, a large number of non-intelligent electric meters exist in an energy consumption unit, electric quantity information of the electric meters cannot be read through an RS485 interface, and a meter reading device of the current remote meter reading system can only read data of the intelligent electric meters through the RS485 interface generally, so that the non-intelligent electric meters generally need to be replaced by the intelligent electric meters when the meter reading system is built, and great waste is caused to social resources.
Disclosure of Invention
In view of the above disadvantages, the present application aims to provide a remote meter reading method and device, which can save the replacement cost of the electric meter and prevent waste.
In order to achieve the above purpose, the technical solution provided by the present application is: a remote meter reading method comprises the following steps:
reading ammeter information by a meter reading device;
the meter reading device transmits the ammeter information to the gateway through the wireless communication module;
the gateway processes the received electric meter information and converts the electric meter information into an electric quantity value;
the gateway transmits the electric quantity value to the server through network communication;
the server records the read electric quantity value.
Further, the method comprises a remote meter reading method for the pulse electric meter, and comprises the following steps:
reading a pulse value of a pulse ammeter by a pulse meter reading device;
the pulse meter reading device transmits the read pulse value to the gateway through the wireless communication module;
the gateway converts the pulse value into an electric quantity value;
the gateway transmits the electric quantity value to a server through network communication;
the server displays the read electric quantity value.
Further, when the meter reading device is just powered on, the meter reading device is initialized, and the method comprises the following steps:
the server transmits the configuration information of the electric meter to the gateway through network communication;
the gateway converts the configuration information of the electric meter into a pulse value;
and the gateway transmits the pulse value to the meter reading device to complete the initialization of the meter reading device.
Further, the configuration information of the electricity meter comprises an initial electric quantity value and a proportional relation between the number of pulses and the electric quantity.
Furthermore, the gateway is an LORA gateway, the wireless communication module is an LORA communication module, and information is transmitted between the pulse meter reading device and the LORA gateway through LORA wireless communication; and the LORA gateway and the server transmit information through a cellular network, a wireless local area network or a wired network.
Further, still including protection ammeter information, lose after preventing to cut off the power supply, the step is:
the method comprises the steps of (1) backing up ammeter information in a meter reading device;
the method comprises the steps of backing up the information of the electric meter in a gateway;
and backing up the electric meter information in the server.
Further, still including protection ammeter information, lose after preventing to cut off the power supply, the step is:
arranging a memory in a meter reading device;
and storing the electric meter information into a memory.
The technical scheme provided by the application is as follows: a remote meter reading system for reading information of an electric meter, comprising:
the meter reading device is connected with the ammeter and used for reading ammeter information, the meter reading device comprises a wireless communication module and a memory, the wireless communication module is used for transmitting the read ammeter information, and the memory is used for storing the ammeter information;
the gateway is wirelessly connected with the wireless communication module and is used for processing the electric meter information transmitted by the wireless communication module;
and the server is connected and communicated with the gateway and is used for recording the information transmitted by the gateway.
Further, the meter reading device and the electric meter share the same power supply.
Further, the memory is a ferroelectric memory.
Has the advantages that:
according to the method, the information is transmitted wirelessly, wiring construction is not needed, and the construction cost of the remote meter reading system is reduced; and then, the received earth electric meter information is processed and converted through the gateway, so that the intelligent electric meter and the pulse electric meter can be compatible, the meter reading of the two electric meters can be realized, the non-intelligent electric meters such as the pulse electric meter do not need to be replaced, and the social resources are saved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the application, are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a flow chart of a remote meter reading method according to an embodiment of the present application;
fig. 2 is a flowchart of a remote meter reading method for a pulse electric meter according to an embodiment of the present application;
FIG. 3 is a flowchart illustrating a method for initializing a meter reading device according to an embodiment of the present disclosure;
FIG. 4 is a flowchart of a method for protecting meter information in a software manner according to an embodiment of the present application;
FIG. 5 is a flow chart of protecting meter information in a hardware manner according to an embodiment of the present application;
fig. 6 is a schematic diagram of a remote meter reading system according to an embodiment of the present application.
100, a remote meter reading system; 110. a meter reading device; 111. a wireless communication module; 112. a memory; 120. a gateway; 130. a server; 200. and (4) an electricity meter.
Detailed Description
It is to be understood that the terminology, the specific structural and functional details disclosed herein are for the purpose of describing particular embodiments only, and are representative, but that the present application may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as implicitly indicating the number of technical features indicated. Thus, unless otherwise specified, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "plurality" means two or more. The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that one or more other features, integers, steps, operations, elements, components, and/or combinations thereof may be present or added.
Further, terms of orientation or positional relationship indicated by "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are described based on the orientation or relative positional relationship shown in the drawings, are simply for convenience of description of the present application, and do not indicate that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, and integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The application is further described with reference to the drawings and alternative embodiments.
As shown in fig. 1, the embodiment of the application discloses a remote meter reading method, which includes the steps:
s1, reading ammeter information by a meter reading device;
s2, the meter reading device transmits the electric meter information to the gateway through the wireless communication module;
s3, the gateway processes the received electric meter information and converts the electric meter information into an electric quantity value;
s4, the gateway transmits the electric quantity value to the server through wireless communication;
and S5, the server records the read electric quantity value.
According to the method, the information is transmitted wirelessly, wiring construction is not needed, and the construction cost of the remote meter reading system is reduced; and then, the received earth electric meter information is processed and converted through the gateway, so that the intelligent electric meter and the pulse electric meter can be compatible, the meter reading of the two electric meters can be realized, the non-intelligent electric meters such as the pulse electric meter do not need to be replaced, and the social resources are saved.
Wherein the wireless communication is wireless local area network communication.
In an embodiment, as shown in fig. 2, the remote meter reading method includes a remote meter reading method for a pulse electric meter, and includes the steps of:
s6, reading the pulse value of the pulse ammeter by a pulse meter reading device;
s7, the pulse meter reading device transmits the read pulse value to the gateway through the wireless communication module;
s8, the gateway converts the pulse value into an electric quantity value;
s9, the gateway transmits the electric quantity value to the server through wireless communication;
s10, the server displays the read electric quantity value.
The information is transmitted wirelessly, wiring construction is not needed, and the construction cost of the remote meter reading system is reduced; and then the received ground pulse information is processed and converted through the gateway to be converted into an electric quantity value, so that the information of the pulse electric meter can be read out, namely the two types of the intelligent electric meter and the pulse electric meter can be compatible, the meter reading of the two types of the electric meters can be realized, the pulse electric meter does not need to be replaced, and social resources are saved.
When the meter reading device is just powered on, as shown in fig. 3, the method includes the following steps:
s11, the server transmits the configuration information of the electric meter to the gateway through wireless communication;
s12, converting the configuration information of the electric meter into a pulse value by the gateway;
and S13, the gateway transmits the pulse value to the meter reading device to complete the initialization of the meter reading device.
When the electric meter is installed for the first time, the data of the meter reading device and the electric meter are synchronized, so that the meter reading indicating value of the system after power failure restart is accurate and completely consistent with the indicating value of the electric meter, and the calculation of the electric quantity value used by the electric meter in the later period and the reading of the electric meter data in the later period are facilitated.
The remote meter reading method further comprises the steps of protecting the information of the electric meter and preventing the electric meter from being lost after power failure, as shown in fig. 4, the steps are as follows:
s14, backing up the electric meter information in a meter reading device;
s15, backing up the electric meter information in the gateway;
and S16, backing up the electric meter information in the server.
The current pulse meter reading device does not allow power failure in the actual use process. If the meter reading device is powered down or other serious faults occur, the electric meter data on the collector is lost. In order to avoid the influence of power failure, the existing meter reading device is generally provided with a storage battery. However, in practical application, the duration of the storage battery is not ideal, and the base number of the meter reading must be reset once power failure occurs.
The meter reading device regularly (such as every minute) transmits the ammeter information to the gateway once, the gateway backups the ammeter information before uploading to the server, and if the meter reading device is powered off and is powered on again, the gateway transmits the previously backed up data to the meter reading device to realize data protection; similarly, if the gateway is powered off, the last-time uploaded electric meter information is sent to the gateway by the server, and the electric quantity information is transmitted to the meter reading device by the gateway, so that the protection of the electric meter information is realized. The arrangement is universal and does not require special hardware.
The remote meter reading method further comprises the steps of protecting the information of the electric meter and preventing the electric meter from being lost after power failure, as shown in fig. 5, the steps are as follows:
s17, arranging a memory in the meter reading device;
and S18, storing the electric meter information into a memory.
Specifically, the memory is a ferroelectric memory, so that the reliability and the real-time performance are high, the error is extremely small, and the information loss of the ammeter is prevented.
Specifically, the configuration information of the electricity meter includes an initial electric quantity value and a proportional relation between the number of pulses and the electric quantity. The meter reading device collects pulse information of the pulse electric meter through the I/O input interface and transmits the pulse information to the gateway, and the gateway indirectly obtains the electric quantity value of the pulse electric meter according to the proportional relation between the pulse number and the electric quantity.
The gateway is an LORA gateway, the wireless communication module is an LORA communication module, and the pulse meter reading device and the LORA gateway transmit information through LORA wireless communication; the communication module and the server transmit information through 4G wireless communication, and the server is a cloud server.
The current meter reading system generally adopts mature wired bus technology. The system needs to consume a large amount of wires during installation, is complex in construction, long in implementation period and difficult in later-stage management and maintenance. Energy management project adopts wired bus formula meter reading system to lead to the project construction cost high, and the implementation cycle is long, and input-output ratio is low, has seriously restricted energy management project's popularization and implementation, and this application comes transmission information through LORA wireless communication and 4G wireless communication, need not the wiring construction, reduces remote meter reading system's construction cost.
The embodiment is optional, the server may also be a local/network server, and the LORA gateway is connected with the local/network server through a network cable, so that the transmission speed is high, and the transmission information is not easy to lose.
Specifically, the server and the LORA gateway may access the internet to transmit information in multiple ways, mainly including three ways, i.e., a cellular network, a wireless lan, or a wired network, but not limited to these three ways.
As shown in fig. 6, the embodiment of the present application further discloses a remote meter reading system 100, configured to read information of an electric meter 200, including:
the meter reading device 110 is connected with the electric meter 200 and is used for reading information of the electric meter 200, the meter reading device 110 comprises a wireless communication module 111 and a memory 112, the wireless communication module 111 is used for transmitting the read information of the electric meter 200, and the memory 112 is used for storing the information of the electric meter 200;
the gateway 120 is wirelessly connected with the wireless communication module 111 and is used for processing the information of the electric meter 200 transmitted by the wireless communication module 111;
and the server 130 is wirelessly connected with the gateway 120 and is used for recording the information transmitted by the gateway 120.
According to the remote meter reading system, information is transmitted wirelessly, wiring construction is not needed, and the construction cost of the remote meter reading system 100 is reduced; then, the gateway 120 is used for processing and converting the received information of the electric meter 200, so that the intelligent electric meter 200 and the pulse electric meter 200 can be compatible, the meter reading of the two electric meters 200 can be realized, the non-intelligent electric meters 200 such as the pulse electric meter 200 do not need to be replaced, and social resources are saved; the memory 112 ensures that the meter 200 reading can be saved and not cleared during a sudden power outage.
Further, the meter reading device 110 and the electric meter 200 share the same power supply, and the power supply is 220V alternating current of a household circuit. The meter reading device 110 is connected to the household circuit together, when the electric meter 200 works, electricity is necessarily provided for the meter reading device 110, and the situation that the electric meter 200 still works but the meter reading device 110 is not provided with electricity is avoided.
The memory 112 is a ferroelectric memory 112. The electricity amount information is written in the memory 112, and the electricity meter 200 information can be protected as well. However, the lifetime of the memory 112 is only about 10 ten thousand times, and the data is stored every 6 seconds, and the memory is unreliable because it is likely to be damaged after one week. The ferroelectric memory 112 is added into the meter reading device 110, the read-write life can reach billions of times theoretically, the existing requirements of people are completely met, the reliability and the real-time performance are high, and the error is extremely small.
It should be noted that, the limitations of each step in the present disclosure are not considered to limit the order of the steps without affecting the implementation of the specific embodiments, and the steps written in the foregoing may be executed first, or executed later, or even executed simultaneously, and as long as the present disclosure can be implemented, all the steps should be considered as belonging to the protection scope of the present application.
The foregoing is a more detailed description of the present application in connection with specific alternative embodiments, and the present application is not intended to be limited to the specific embodiments shown. For those skilled in the art to which the present application pertains, several simple deductions or substitutions may be made without departing from the concept of the present application, and all should be considered as belonging to the protection scope of the present application.
Claims (10)
1. A remote meter reading method is characterized by comprising the following steps:
reading ammeter information by a meter reading device;
the meter reading device transmits the ammeter information to the gateway through the wireless communication module;
the gateway processes the received electric meter information and converts the electric meter information into an electric quantity value;
the gateway transmits the electric quantity value to the server through network communication;
the server records the read electric quantity value.
2. The remote meter reading method according to claim 1, comprising a remote meter reading method for a pulse electric meter, and the steps are as follows:
reading a pulse value of a pulse ammeter by a pulse meter reading device;
the pulse meter reading device transmits the read pulse value to the gateway through the wireless communication module;
the gateway converts the pulse value into an electric quantity value;
the gateway transmits the electric quantity value to a server through network communication;
the server displays the read electric quantity value.
3. The remote meter reading method according to claim 2, wherein the meter reading device is initialized when being powered on, and the method comprises the following steps:
the server transmits the configuration information of the electric meter to the gateway through network communication;
the gateway converts the configuration information of the electric meter into a pulse value;
and the gateway transmits the pulse value to the meter reading device to complete the initialization of the meter reading device.
4. The remote meter reading method according to claim 3, wherein the configuration information of the electric meter comprises an initial electric quantity value and a proportional relation between the number of pulses and the electric quantity.
5. The remote meter reading method according to claim 2, wherein the gateway is a LORA gateway, the wireless communication module is a LORA communication module, and the pulse meter reading device and the LORA gateway transmit information through LORA wireless communication; and the LORA gateway and the server transmit information through a cellular network, a wireless local area network or a wired network.
6. The remote meter reading method according to claim 1, further comprising protecting meter information from loss after power failure, the steps of:
the method comprises the steps of (1) backing up ammeter information in a meter reading device;
the method comprises the steps of backing up the information of the electric meter in a gateway;
and backing up the electric meter information in the server.
7. The remote meter reading method according to claim 1, further comprising protecting meter information from loss after power failure, the steps of:
arranging a memory in a meter reading device;
and storing the electric meter information into a memory.
8. A remote meter reading system for reading information of an electric meter, comprising:
the meter reading device is connected with the ammeter and used for reading ammeter information, the meter reading device comprises a wireless communication module and a memory, the wireless communication module is used for transmitting the read ammeter information, and the memory is used for storing the ammeter information;
the gateway is wirelessly connected with the wireless communication module and is used for processing the electric meter information transmitted by the wireless communication module;
and the server is connected and communicated with the gateway and is used for recording the information transmitted by the gateway.
9. The remote meter reading device according to claim 8, wherein the meter reading device and the electricity meter share a same power source.
10. The remote meter reading device according to claim 8, wherein the memory is a ferroelectric memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011142014.9A CN112489403A (en) | 2020-10-22 | 2020-10-22 | Remote meter reading method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011142014.9A CN112489403A (en) | 2020-10-22 | 2020-10-22 | Remote meter reading method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112489403A true CN112489403A (en) | 2021-03-12 |
Family
ID=74926155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011142014.9A Pending CN112489403A (en) | 2020-10-22 | 2020-10-22 | Remote meter reading method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112489403A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998010394A1 (en) * | 1996-09-06 | 1998-03-12 | Innovatec Corporation | Automatic meter reading data communication system |
| KR20080024290A (en) * | 2006-09-13 | 2008-03-18 | 에스케이 텔레콤주식회사 | System and method for perceiving a gas leak using robot |
| CN201126633Y (en) * | 2007-11-07 | 2008-10-01 | 孙军平 | Low-voltage distribution network data treatment concentrator based on WSN |
| CN201408476Y (en) * | 2009-05-19 | 2010-02-17 | 吕晓冬 | Wireless remote meter reading control system based on ZigBee technique |
| CN203070509U (en) * | 2013-01-16 | 2013-07-17 | 重庆市厚琳科技有限公司 | Wireless meter reading concentrator |
| CN104992548A (en) * | 2015-07-16 | 2015-10-21 | 国网河南省电力公司漯河供电公司 | Remote meter reading system |
| CN205247604U (en) * | 2015-12-22 | 2016-05-18 | 深圳供电局有限公司 | Off -line electric power measurement data acquisition and processing system |
| CN107154143A (en) * | 2017-06-21 | 2017-09-12 | 国网山东省电力公司诸城市供电公司 | A kind of electric energy meter remote reading system of platform of internet of things |
| CN109489274A (en) * | 2018-09-28 | 2019-03-19 | 深圳市亿兆互联技术有限公司 | Solar water heater monitoring system and method |
| CN109493585A (en) * | 2018-11-15 | 2019-03-19 | 华中科技大学 | A kind of quality detecting data wireless acquisition terminal and method based on LoRa |
| CN110072247A (en) * | 2019-04-19 | 2019-07-30 | 武汉所为科技有限公司 | A kind of LoRa network of low-power consumption and real-time |
| US10511696B2 (en) * | 2017-05-17 | 2019-12-17 | CodeShop, B.V. | System and method for aggregation, archiving and compression of internet of things wireless sensor data |
| CN111080996A (en) * | 2019-12-05 | 2020-04-28 | 深圳市新科聚合网络技术有限公司 | Long-range system of checking meter based on loRa |
| US20200146263A1 (en) * | 2018-11-09 | 2020-05-14 | Brent Allen SIECK | Long range low power livestock monitoring |
| CN210804738U (en) * | 2020-05-15 | 2020-06-19 | 武汉市青矛科技有限公司 | Multifunctional wireless meter reading device |
-
2020
- 2020-10-22 CN CN202011142014.9A patent/CN112489403A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998010394A1 (en) * | 1996-09-06 | 1998-03-12 | Innovatec Corporation | Automatic meter reading data communication system |
| KR20080024290A (en) * | 2006-09-13 | 2008-03-18 | 에스케이 텔레콤주식회사 | System and method for perceiving a gas leak using robot |
| CN201126633Y (en) * | 2007-11-07 | 2008-10-01 | 孙军平 | Low-voltage distribution network data treatment concentrator based on WSN |
| CN201408476Y (en) * | 2009-05-19 | 2010-02-17 | 吕晓冬 | Wireless remote meter reading control system based on ZigBee technique |
| CN203070509U (en) * | 2013-01-16 | 2013-07-17 | 重庆市厚琳科技有限公司 | Wireless meter reading concentrator |
| CN104992548A (en) * | 2015-07-16 | 2015-10-21 | 国网河南省电力公司漯河供电公司 | Remote meter reading system |
| CN205247604U (en) * | 2015-12-22 | 2016-05-18 | 深圳供电局有限公司 | Off -line electric power measurement data acquisition and processing system |
| US10511696B2 (en) * | 2017-05-17 | 2019-12-17 | CodeShop, B.V. | System and method for aggregation, archiving and compression of internet of things wireless sensor data |
| CN107154143A (en) * | 2017-06-21 | 2017-09-12 | 国网山东省电力公司诸城市供电公司 | A kind of electric energy meter remote reading system of platform of internet of things |
| CN109489274A (en) * | 2018-09-28 | 2019-03-19 | 深圳市亿兆互联技术有限公司 | Solar water heater monitoring system and method |
| US20200146263A1 (en) * | 2018-11-09 | 2020-05-14 | Brent Allen SIECK | Long range low power livestock monitoring |
| CN109493585A (en) * | 2018-11-15 | 2019-03-19 | 华中科技大学 | A kind of quality detecting data wireless acquisition terminal and method based on LoRa |
| CN110072247A (en) * | 2019-04-19 | 2019-07-30 | 武汉所为科技有限公司 | A kind of LoRa network of low-power consumption and real-time |
| CN111080996A (en) * | 2019-12-05 | 2020-04-28 | 深圳市新科聚合网络技术有限公司 | Long-range system of checking meter based on loRa |
| CN210804738U (en) * | 2020-05-15 | 2020-06-19 | 武汉市青矛科技有限公司 | Multifunctional wireless meter reading device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104704702B (en) | Photovoltaic power generation system and fault detection method therefor | |
| CN103560584B (en) | A kind of based on wireless photovoltaic plant state monitoring apparatus | |
| CN104732751A (en) | Automatic meter reading system and automatic meter reading method based on RF (radio frequency) and GPRS (general packet radio service)/3G (the 3rd generation telecommunication) | |
| CN105091225A (en) | Method and system for offline calculating indoor air conditioner starting and temperature standard exceeding | |
| CN103941312A (en) | Remote rainfall monitoring system | |
| CN103136914A (en) | TD-LTE wireless network-based automatic meter reading system | |
| CN207441006U (en) | A kind of long-distance meter-reading system based on low-power consumption Internet of Things | |
| CN210053587U (en) | Sensor acquisition device based on GPRS wireless module | |
| CN201408033Y (en) | Metering device | |
| CN202975732U (en) | Remote interaction real-time household energy intelligent management system | |
| CN112489403A (en) | Remote meter reading method and device | |
| CN115718453A (en) | Self-driven intelligent inspection device and method for heat exchange station equipment | |
| CN214154558U (en) | Building electric thing networking intelligent monitoring device | |
| CN201965744U (en) | Remote geothermal well-monitoring data acquisition device | |
| CN101763717A (en) | Data collecting device based on DCPLC mode | |
| CN202995998U (en) | Automatic meter-reading system | |
| CN210604825U (en) | Intelligent management system for safe electricity utilization of student apartment | |
| CN207198679U (en) | A kind of intelligent monitoring drainage system based on Covered transformer | |
| CN208189021U (en) | A kind of water meter reading wireless data acquisition device based on narrowband | |
| CN203149394U (en) | Intelligent home control system of wireless ad hoc network community | |
| KR101237801B1 (en) | Low power consumption type remote metering concentrator powered only by solar cells | |
| CN205920186U (en) | Line fault collector | |
| CN206194119U (en) | Data acquisition manager based on instrument | |
| CN216647130U (en) | Multifunctional data acquisition and transmission device for monitoring power distribution environment | |
| CN213149987U (en) | Low-cost collection instrument system based on LORA wireless network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210312 |
|
| RJ01 | Rejection of invention patent application after publication |