CN112837522A - Carrier communication device of intelligent electric meter and intelligent electric meter equipment - Google Patents
Carrier communication device of intelligent electric meter and intelligent electric meter equipment Download PDFInfo
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- CN112837522A CN112837522A CN201911165108.5A CN201911165108A CN112837522A CN 112837522 A CN112837522 A CN 112837522A CN 201911165108 A CN201911165108 A CN 201911165108A CN 112837522 A CN112837522 A CN 112837522A
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
Abstract
The application relates to a carrier communication device of an intelligent electric meter and intelligent electric meter equipment. The carrier communication device comprises a data acquisition device, a processor, a storage device, a narrow-band communication device and a dual-mode communication device; the data acquisition device is used for connecting the intelligent ammeter, and the processor is connected with the data acquisition device; the memory is connected with the processor and the narrow-band communication device; the dual-mode communication device is connected with the data acquisition device. Above-mentioned carrier communication device, when the transmission rate of ammeter data is low, can gather ammeter data through the treater to the storage is in storage device, then uploads ammeter data through narrowband communication device, when the transmission rate of ammeter data is higher, then uploads ammeter data through bimodulus communication device, makes ammeter data can both effectually realize remote communication under the transmission rate of difference, has improved smart electric meter's suitability.
Description
Technical Field
The application relates to the technical field of ammeter data communication, in particular to a carrier communication device of an intelligent ammeter and intelligent ammeter equipment.
Background
The ammeter is a meter capable of measuring electric energy, and along with the continuous updating and upgrading of the ammeter, the intelligent ammeter is provided, the intelligent ammeter can realize remote data transmission, the problems of time and labor waste caused by manual meter reading are effectively solved, and management and maintenance of an electric power system are facilitated.
However, the traditional smart meter has different communication modes for data transmission according to different working environments (such as a narrow-band platform area or a wide-band platform area), when the working environment is the narrow-band platform area, the data is remotely transmitted in a narrow-band carrier communication mode, when the working environment is the wide-band platform area, the data is remotely transmitted in a dual-mode communication mode, and the traditional smart meter has the problem of poor applicability due to the adoption of different data transmission communication modes.
Disclosure of Invention
Therefore, it is necessary to provide a carrier communication device for a smart meter and a smart meter apparatus with strong adaptability to the problem of poor applicability of the smart meter.
A carrier communication device of an intelligent ammeter comprises a data acquisition device, a processor, a storage device, a narrow-band communication device and a dual-mode communication device; the data acquisition device is used for connecting the intelligent ammeter and acquiring ammeter data transmitted by the intelligent ammeter; the processor is connected with the data acquisition device; the memory is connected with the processor and the narrow-band communication device; the dual-mode communication device is connected with the data acquisition device; the data acquisition device is used for sending the electric meter data to the processor when the transmission rate of the electric meter data is lower than a preset threshold value; when the transmission rate is not lower than a preset threshold value, the data acquisition device sends the electric meter data to the dual-mode communication device for uploading; the processor is used for collecting the received electric meter data according to a preset time interval and storing the electric meter data in the storage device; the narrow-band communication device is used for uploading the electric meter data stored in the storage device.
Above-mentioned carrier communication device, when the transmission rate of ammeter data is low, can gather ammeter data through the treater to the storage is in storage device, then uploads ammeter data through narrowband communication device, when the transmission rate of ammeter data is higher, then uploads ammeter data through bimodulus communication device, makes ammeter data can both effectually realize remote communication under the transmission rate of difference, has improved smart electric meter's suitability.
In one embodiment, the carrier communication device further comprises a power supply device, and the power supply device is connected with the processor and the dual-mode communication device. The power supply device supplies power, so that the carrier communication device can operate stably, and the carrier communication device is prevented from operating normally under the condition of power failure.
In one embodiment, the dual-mode communication device comprises a wireless communication component, a controller and a carrier communication component, wherein the wireless communication component and the carrier communication component are connected with the controller, and the controller is connected with the data acquisition device. Through setting up wireless communication subassembly and carrier communication subassembly for bimodulus communication device can adopt wireless transmission mode or carrier communication mode to transmit the ammeter data, provides the guarantee for the stable transmission of ammeter data.
In one embodiment, the carrier communication device further comprises an interaction device for connecting the processor and the controller. The interaction device can facilitate workers to effectively know and control the carrier communication device, and the workers can manage and maintain the carrier communication device conveniently.
In one embodiment, the interaction device comprises a display screen, a first indicator light and a second indicator light, wherein the display screen is connected with the processor and the controller; the first indicator light is connected with the processor, and the second indicator light is connected with the controller. Can carry out data display through the display screen, can instruct the transmission mode that current ammeter data adopted through first pilot lamp and second pilot lamp, make things convenient for staff's management to maintain.
In one embodiment, the carrier communication assembly comprises a carrier communication chip and a carrier circuit, the wireless communication assembly comprises a wireless communication chip and an antenna, the controller is connected with the carrier circuit through the carrier communication chip, the carrier circuit is used for being connected with the concentrator, the controller is connected with the antenna through the wireless communication chip, and the antenna is used for being in wireless communication with the concentrator.
In one embodiment, the carrier communication chip is an SSC1653 model carrier chip, and the wireless communication chip is an RFT5361 model wireless chip.
In one embodiment, the narrowband communication device is connected to the concentrator via an RS485 wire.
In one embodiment, the data acquisition device comprises a current acquisition device and a voltage acquisition device, the current acquisition device and the voltage acquisition device are both used for being connected with the smart meter, the current acquisition device and the voltage acquisition device are both connected with the processor, and the current acquisition device and the voltage acquisition device are both connected with the dual-mode communication device.
The utility model provides a smart electric meter equipment, includes smart electric meter and foretell carrier communication device, the carrier communication device is connected with smart electric meter.
Above-mentioned equipment, when the transmission rate of ammeter data is low, can gather ammeter data through the treater to the storage is in storage device, then uploads ammeter data through narrowband communication device, when the transmission rate of ammeter data is higher, then uploads ammeter data through bimodulus communication device, makes ammeter data can both effectually realize remote communication under the transmission rate of difference, has improved smart electric meter's suitability.
Drawings
Fig. 1 is a block diagram of a carrier communication device of an intelligent electric meter according to an embodiment;
fig. 2 is a schematic diagram of a specific structure of a carrier communication device of the smart meter in an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In one embodiment, as shown in fig. 1, a carrier communication device of a smart meter is provided, and the carrier communication device includes a data acquisition device 100, a processor 200, a storage device 300, a narrowband communication device 400, and a dual-mode communication device 500. The data acquisition device 100 is used for connecting the intelligent electric meter and acquiring electric meter data transmitted by the intelligent electric meter; the processor 200 is connected with the data acquisition device 100; the storage device 300 is connected with the processor 200 and the narrow-band communication device 400; the dual-mode communication device 500 is connected with the data acquisition device 100; the data acquisition device 100 is configured to send the electric meter data to the processor 200 when the transmission rate of the electric meter data is lower than a preset threshold; when the transmission rate is not lower than the preset threshold, the data acquisition device 100 sends the electric meter data to the dual-mode communication device 500 for uploading; the processor 200 is configured to collect the received electric meter data according to a preset time interval, and store the electric meter data in the storage device 300; the narrowband communication device 400 is used for uploading the electric meter data stored in the storage device 300.
Ammeter data is including user's power consumption information and smart electric meter's equipment ID etc, smart electric meter is as the terminal equipment among the electric wire netting electric power system, general installation sets up the department of registering one's residence in the user electric wire netting, the convenience can real-timely various power consumption information of user in the user power consumption in-process, for example, supply voltage, supply current and power consumption etc., each family all has a corresponding smart electric meter when the power consumption, the electric wire netting company generally adopts the concentrator to make statistics of each family's smart electric meter's ammeter data, concentrate a plurality of users' ammeter data of gathering, then upload the electric wire netting platform through the concentrator again, thereby realize managing the maintenance to each user. And smart electric meter realizes transmitting the ammeter data to the concentrator through carrier communication device, wherein, data acquisition device 100 can be connected with smart electric meter through relevant communication joint, can set up MCU (Microcontroller Unit in the smart electric meter, little the control Unit) comes data processing, then MCU transmits the ammeter data for data acquisition device 100 through communication joint, when transmitting the ammeter data for data acquisition device 100, smart electric meter's MCU can come the transmission rate of adaptability adjustment ammeter data according to current real-time environment, current real-time environment is including narrowband environment and broadband environment, but when smart electric meter is in the narrowband environment, smart electric meter's MCU can reduce the transmission rate of ammeter data this moment, when smart electric meter is in the broadband environment, smart electric meter's MCU can corresponding improvement ammeter data's transmission rate. The data acquisition device 100 sends the acquired electric meter data to the processor 200 when the transmission rate of the electric meter data is lower than a preset threshold, the processor 200 stores the acquired electric meter data in the storage device 300, and after a section of electric meter data is stored, the narrow-band carrier communication device uploads the stored electric meter data to the concentrator; when the transmission rate of the electric meter data is higher than or equal to the preset threshold, the data acquisition device 100 sends the acquired electric meter data to the dual-mode communication module, and then the acquired electric meter data is directly uploaded to the concentrator through the dual-mode communication module.
It should be noted that, the processor 200 has a timing function (for example, timing by a clock module), and after a preset time interval elapses, the processor 200 collects and stores the meter data in the storage device 300. The narrow-band communication device 400 can upload the meter data to the concentrator by means of a power line carrier, and the communication frequency band thereof is low (10KHz-500KHz), and the dual-mode communication device 500 can upload the meter data to the concentrator by means of a power line carrier, and the communication frequency thereof is relatively high ((2MHz-20 MHz).
Above-mentioned carrier communication device, when the transmission rate of ammeter data is low, can gather ammeter data through treater 200 to storage in storage device 300, then upload ammeter data through narrowband communication device 400, when the transmission rate of ammeter data is higher, then upload ammeter data through bimodulus communication device 500, make ammeter data can both effectually realize remote communication under the transmission rate of difference, improved smart electric meter's suitability.
Further, in an embodiment, the monitoring device further includes an alarm device, and the alarm device is connected to the storage device 300 and is used for monitoring the memory capacity of the storage device 300, so as to prevent that the memory capacity of the storage device 300 is insufficient and the electric meter data collected by the processor 200 cannot be stored. Wherein, the alarm device comprises a buzzer or a flashing lamp and the like.
In one embodiment, although not shown, the carrier communication device further includes a power supply device, and the power supply device is connected to the processor 200 and the dual-mode communication device 500. The power supply device supplies power, so that the carrier communication device can operate stably, and the carrier communication device is prevented from operating normally under the condition of power failure. Wherein, power supply unit can be lithium cell or super capacitor, and power supply unit can also pass through transformer etc. and mains connection to charge for power supply unit, when the commercial power outage appears, power supply unit can continue to provide the power for carrier communication device. The power supply device supplies power, so that the carrier communication device can operate stably, and the carrier communication device is prevented from operating normally under the condition of power failure.
In one embodiment, as shown in fig. 2, the dual-mode communication device 500 includes a wireless communication component 502, a controller 503 and a carrier communication component 501, the wireless communication component 502 and the carrier communication component 501 are connected to the controller 503, and the controller 503 is connected to the data acquisition device 100. The controller 503 is connected to the data acquisition device 100, and is configured to acquire meter data of the data acquisition device 100, and the controller 503 may determine to send the acquired meter data to the wireless communication module 502 or the carrier communication module 501 according to a real-time condition (e.g., stability of data transmission). The wireless communication component 502 can be used for medium-short range wireless transmission of electric meter data, wherein the signal transmission is relatively stable and has less interference, for example, the electric meter data is transmitted through a LORA module or a 4G wireless module; the carrier communication component 501 adopts a power line carrier mode, and can be used for remote transmission of electric meter data, signals are easily interfered, and transmission stability is poor. By arranging the wireless communication component 502 and the carrier communication component 501, the dual-mode communication device 500 can transmit the electric meter data in a wireless transmission mode or a carrier communication mode, and a guarantee is provided for stable transmission of the electric meter data.
In one embodiment, as shown in fig. 2, the carrier communication device further comprises an interaction device for connecting the processor 200 and the controller 503. The interactive device performs data communication with the processor 200 and the controller 503, and a user can know the current transmission condition of the meter data through the interactive device, for example, when the meter data is uploaded through the narrow-band communication device 400, the interactive device can receive the data information sent by the processor 200 and display that the meter data is currently in the narrow-band communication transmission mode, and when the meter data is uploaded through the dual-mode communication device 500, the interactive device can receive the data information sent by the controller 503 and display that the meter data is currently in the dual-mode communication transmission mode. The interaction device can facilitate workers to effectively know and control the carrier communication device, and the workers can manage and maintain the carrier communication device conveniently.
Further, in one embodiment, although not shown, the interaction device includes a display screen, a first indicator light, and a second indicator light, the display screen is connected to the processor 200 and the controller 503; the first indicator light is connected to the processor 200 and the second indicator light is connected to the controller 503. The display screen may be an LCD display screen, and is configured to display text information, for example, to display an uploading rate of current meter data and working state information, the first indicator light and the second indicator light may be light emitting diodes or LED indicator lights, and the first indicator light may be configured to indicate a working state of the narrowband communication device 400, for example, when the narrowband communication device 400 uploads the meter data, the first indicator light receives a control signal of the processor 200 and lights up, when the narrowband communication device 400 does not upload the meter data, the processor 200 may not be started at this time, and the first indicator light enters a light-off state without receiving the control signal. Similarly, a second indicator light may be used to indicate the operating status of the dual-mode communication device 500. Further, in one embodiment, the second indicator light may be a color-changing light, and when the wireless communication component 502 in the dual-mode communication device 500 uploads the meter data, the second indicator light may receive the control command sent by the controller 503 and light up to emit a yellow light, and when the carrier communication component 501 in the dual-mode communication device 500 uploads the meter data, the second indicator light receives the color-changing command sent by the controller 503 to emit a white light. Can carry out data display through the display screen, can instruct the transmission mode that current ammeter data adopted through first pilot lamp and second pilot lamp, make things convenient for staff's management to maintain.
In one embodiment, although not shown, the carrier communication module 501 includes a carrier communication chip and a carrier circuit, the wireless communication module 502 includes a wireless communication chip and an antenna, the controller 503 is connected to the carrier circuit through the carrier communication chip, the carrier circuit is used for connecting to the concentrator, the controller 503 is connected to the antenna through the wireless communication chip, and the antenna is used for wireless communication with the concentrator. The carrier circuit comprises an RS485 wire, and the carrier chip is used for modulation and demodulation. Similarly, the wireless communication chip is also used for modulation and demodulation, and the antenna is used for transmitting signals. Further, in one embodiment, the carrier communication chip is an SSC1653 carrier chip, and the wireless communication chip is an RFT5361 wireless chip.
In one embodiment, although not shown, the narrowband communication device 400 is connected to the concentrator via an RS485 wire. The concentrator is used for acquiring electric meter data of each user intelligent electric meter, centralizes and collects the electric meter data, packages the electric meter data and sends the electric meter data to the power grid management service platform, the narrow-band communication device 400 comprises a modulation and demodulation device, a transformer and the like, the electric meter data are converted into analog electric signals, the analog electric signals are amplified through the transformer, and then the analog electric signals are transmitted to the concentrator through an RS485 wire.
In one embodiment, although not shown, the data collection device 100 includes a current collection device and a voltage collection device, both of which are used to connect with the smart meter, both of which are connected with the processor 200, and both of which are connected with the dual-mode communication device 500. The current collection device is used for collecting the current of the intelligent electric meter, for example, collecting the real-time current magnitude of the intelligent electric meter and the current fluctuation state in a period, the voltage collection device is used for collecting the voltage of the intelligent electric meter, the voltage and the current of the intelligent electric meter are collected, the electricity utilization information of a user can be obtained, the electricity utilization information is combined with other data transmitted by the intelligent electric meter, the electric meter data are collected, and finally the data collection device 100 determines to send the electric meter data to the processor 200 or the dual-mode communication device 500.
In one embodiment, the smart meter device comprises a smart meter and the carrier communication device, wherein the carrier communication device is connected with the smart meter. Wherein, be provided with corresponding MCU in the smart electric meter, the MCU that sets up in data acquisition device among the carrier communication device and the smart electric meter is connected, realizes transmitting smart electric meter's ammeter data for carrier communication device through smart electric meter's MCU, then uploads the concentrator through carrier communication device with ammeter data.
Above-mentioned equipment, when the transmission rate of ammeter data is low, can gather ammeter data through the treater to the storage is in storage device, then uploads ammeter data through narrowband communication device, when the transmission rate of ammeter data is higher, then uploads ammeter data through bimodulus communication device, makes ammeter data can both effectually realize remote communication under the transmission rate of difference, has improved smart electric meter's suitability.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The carrier communication device of the intelligent ammeter is characterized by comprising a data acquisition device, a processor, a storage device, a narrow-band communication device and a dual-mode communication device;
the data acquisition device is used for connecting the intelligent ammeter and acquiring ammeter data transmitted by the intelligent ammeter; the processor is connected with the data acquisition device; the memory is connected with the processor and the narrowband communication device; the dual-mode communication device is connected with the data acquisition device;
the data acquisition device is used for sending the electric meter data to the processor when the transmission rate of the electric meter data is lower than a preset threshold value; when the transmission rate is not lower than the preset threshold value, the data acquisition device sends the electric meter data to the dual-mode communication device for uploading;
the processor is used for collecting the received electric meter data according to a preset time interval and storing the electric meter data in the storage device; and the narrow-band communication device is used for uploading the electric meter data stored by the storage device.
2. The carrier communication device of claim 1, further comprising a power supply device coupled to the processor and the dual mode communication device.
3. The carrier communication device according to claim 1, wherein the dual mode communication device comprises a wireless communication component, a controller and a carrier communication component, the wireless communication component and the carrier communication component are both connected to the controller, and the controller is connected to the data acquisition device.
4. A carrier communication device according to claim 3, further comprising an interaction means for connecting the processor and the controller.
5. The carrier communication device according to claim 4, wherein the interaction device comprises a display screen, a first indicator light and a second indicator light, the display screen connecting the processor and the controller; the first indicator light is connected with the processor, and the second indicator light is connected with the controller.
6. The carrier communication device according to claim 3, wherein the carrier communication component includes a carrier communication chip and a carrier circuit, the wireless communication component includes a wireless communication chip and an antenna, the controller is connected to the carrier circuit through the carrier communication chip, the carrier circuit is used for connecting a concentrator, the controller is connected to the antenna through the wireless communication chip, and the antenna is used for wireless communication with the concentrator.
7. The carrier communication device of claim 6, wherein the carrier communication chip is an SSC1653 model carrier chip and the wireless communication chip is an RFT5361 model wireless chip.
8. The carrier communication device according to claim 6, wherein the narrowband communication device is connected to a concentrator through an RS485 wire.
9. The carrier communication device according to claim 1, wherein the data acquisition device comprises a current acquisition device and a voltage acquisition device, the current acquisition device and the voltage acquisition device are both configured to be connected to the smart meter, the current acquisition device and the voltage acquisition device are both connected to the processor, and the current acquisition device and the voltage acquisition device are both connected to the dual-mode communication device.
10. Smart meter device, characterized in that it comprises a smart meter and a carrier communication device according to any one of claims 1 to 9, connected to said smart meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911165108.5A CN112837522A (en) | 2019-11-25 | 2019-11-25 | Carrier communication device of intelligent electric meter and intelligent electric meter equipment |
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| CN201911165108.5A CN112837522A (en) | 2019-11-25 | 2019-11-25 | Carrier communication device of intelligent electric meter and intelligent electric meter equipment |
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Application publication date: 20210525 |