CN214279154U - Direct-reading remote water meter collector based on embedded system - Google Patents
Direct-reading remote water meter collector based on embedded system Download PDFInfo
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- CN214279154U CN214279154U CN202022085567.7U CN202022085567U CN214279154U CN 214279154 U CN214279154 U CN 214279154U CN 202022085567 U CN202022085567 U CN 202022085567U CN 214279154 U CN214279154 U CN 214279154U
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Abstract
The utility model provides a direct-reading formula teletransmission water gauge collector based on embedded system, include: the processor is connected with the water meter data reader, the buffer register, the serial port sending unit, the communication bus and the interface; one end of the communication bus is in communication connection with the water meter to be collected; by means of the existing communication channel of the power utilization information acquisition system, remote meter reading of the water meter is achieved, related construction expenses and labor cost are saved, and the method is easy to popularize.
Description
Technical Field
The utility model relates to a based on embedded system direct-reading teletransmission water gauge collector adopts the embedded system design, realizes reading, buffer memory, the sending of direct-reading formula teletransmission water gauge and arrives power consumption information acquisition concentrator, belongs to the long-range field of checking meter.
Background
The reading of the water meter relates to thousands of households, and the meter reading work of the water meter involves a large amount of manpower and material resources. The water meter of the residential area of the multi-storey building is generally in a buried well below the building, and a passive direct-reading remote water meter is adopted, so that the remote reading of the water meter can be realized. The passive direct-reading remote water meter does not contain a power supply and adopts M-Bus for communication.
The inconsistent meter reading time of the water meters also makes the water loss difficult to calculate. The remote reading of the water meter not only ensures the reading success rate, but also fully considers the cost of the system and cannot cause overlarge investment. The existing water meter remote reading method is generally dominated by a tap water company, construction is carried out on a water meter, a collector, a concentrator and a communication network one by one, a large amount of construction funds are needed, and a large cost is also needed for maintenance of equipment after a system is built. The existing power utilization information acquisition system of the power company is used as a basis, the data of the water meter is accessed into the existing system, and the data of the water meter is transmitted by using the power utilization information acquisition system, so that a large amount of construction cost can be saved for remote meter reading of the water meter.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses mainly use the resident user district of multilayer as the background, adopt the water gauge collector of an embedded system design, realize that water gauge data inserts in the electricity collection ware to transmit through the communication network who uses electricity information acquisition, practiced thrift the cost that the water gauge teletransmission was checked meter.
In a first aspect, the utility model provides a direct-reading formula teletransmission water gauge collector based on embedded system, include: the processor is connected with the water meter data reader, the buffer register, the serial port sending unit, the communication bus and the interface; one end of the communication bus is in communication connection with the water meter to be collected.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. the utility model discloses use direct-reading formula teletransmission water gauge of M-Bus to insert the power consumption information acquisition concentrator that uses the RS485 Bus to realize communication protocol's conversion, solved the water gauge time of checking meter inconsistent, make the loss of water difficult to calculate again, the problem with high costs that the water gauge teletransmission was checked meter, with the help of the existing communication channel of power consumption information acquisition system, realized the long-range of water gauge of checking meter, saved relevant construction cost and human cost, easily promote.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic structural view of a direct-reading remote water meter acquisition system of the present invention;
fig. 2 is the utility model discloses a direct-reading formula teletransmission water gauge collector's schematic structure diagram.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the present invention provides a construction scheme, and as for each device unit involved therein, the specific structure for realizing the function to be realized individually exists in the prior art, and the protocol, software or program involved in performing the work processing therebetween also exists in the prior art, and those skilled in the art are fully aware of the fact that the present invention does not make any improvement on the unit of each device, and therefore does not relate to the content of software, but relies on the organic integration and integration of each component into a whole, that is, a construction scheme is provided.
The utility model aims at providing a hardware configuration different from prior art makes technical staff can realize further development under such hardware configuration, the utility model discloses need not rely on software to realize, only judge through the high-low level of chip pin can realize the function the utility model provides a new chip connected mode hardware configuration mode for technical staff can carry out more convenient development process under such hardware configuration.
Example 1
As shown in fig. 2, the utility model provides a direct-reading remote water meter collector based on embedded system, which comprises a processor, a water meter data reader connected with the processor, a buffer register, a serial port sending unit, a communication bus and an interface; one end of the communication bus is in communication connection with the water meter to be collected.
The buffer register realizes the buffer storage of water meter data with time labels, and the total amount of the water meter data is 12 bytes, wherein the water meter data is 4 bytes, BCD codes indicate that the low bit is in front and the high bit is in back and indicate that an integer of 6 bits is 2 decimal places, and the unit cubic meter is represented as 443322.11 square meters, such as 11223344; the time label is 7 bytes, the BCD code indicates that the lower bit is in front and the upper bit is in back, such as 31012225101920, and the time label indicates that the time label is 01 minutes and 31 seconds in 2019, 10 months, 25 days and 22 days; 1 byte is reserved. The cache register adopts SBUF, MDR or MBR cache register.
The water meter collector receives the time setting command of the electric collecting concentrator and keeps the clock consistent with the electric collecting concentrator.
The direct-reading remote water meter acquisition device reads data of all water meters once a day. After the items which are failed in reading the water meter are generated, the items are actively reported to a master station of the automatic water meter reading system through the electricity collection concentrator, meanwhile, the time of locally storing the items is 1 year, and the items before 1 year are automatically deleted.
And the water meter data reader reads the data of all connected water meters after establishing communication connection with the water meters. As shown in FIG. 2, the water meter data reader adopts a data reading module of CJ/T-188 protocol.
The water meter collector is designed based on an ARM embedded system, a processor is 1GHz, an onboard memory is 4GB, and the internal memory is more than 2GB, so that the functions of protocol conversion and data caching with time tags can be realized.
The water meter collector is connected with the electric collection concentrator through an RS485 bus, and the electric collection concentrator reads water meter data in the water meter collector by utilizing a power consumer electricity consumption information collection system communication protocol. The serial port sending unit is in communication connection with the electric collection concentrator, responds to a command of the electric collection concentrator and sends the water meter data to the electric collection concentrator. The serial port sending unit adopts an RS232 serial port which is a very general protocol for equipment communication and comprises two RS 232-based serial ports, and the serial ports are also general communication protocols for instruments and meters at the same time; GPIB-compatible devices are also provided with an RS-232 port.
Example 2
As shown in fig. 1, the utility model also provides a direct-reading type remote water meter acquisition system based on embedded system, including the direct-reading type remote water meter acquisition device, the water meter and the electricity acquisition center device described in the above embodiment; the direct-reading remote water meter collector is respectively connected with the water meter and the electric collection center.
The direct-reading remote water meter collector is arranged in a power consumption information collection box in a passageway of a residential building, is connected with a water meter by adopting M-Bus, and is connected with an electric collection concentrator in the power consumption information collection box through an RS485 Bus. The direct-reading remote water meter collector adopts an embedded system design based on ARM, a processor is 1GHz, an onboard memory is 4GB, and an internal memory is more than 2GB, so that the conversion of protocols and the caching function of data with time tags can be realized. The direct-reading remote water meter collector is connected with 1-60 water meters through M-Bus, and the communication distance is within 200M. The direct-reading remote water meter adopts a passive design, is not electrified at ordinary times, and is electrified only when being used for reading the meter.
The electricity acquisition center device is arranged in an electricity utilization information acquisition box in a passageway of a residential building and used for packaging data of each electricity meter and water utilization data acquired by the water meter acquisition devices and communicating with a master station of the electricity utilization information acquisition system by using a communication network for acquiring the electricity utilization information so as to realize data forwarding.
The reading method of the water meter comprises the following steps:
1001, connecting a water meter collector with a direct-reading water meter in a buried well of a residential area through M-Bus, wherein the water meter collector comprises 5 units, 2 wells in each unit, 6 water meters in each well and 60 water meters in total;
step 1002, the water meter collector sends a command of reading all the water meter data once every 22 o' clock, reads the water meter data of the direct-reading water meter in the underground well, temporarily stores the read water meter data of the user after successful reading, and stamps a time tag; if the reading is unsuccessful, waiting for the next day to continue reading; reading unsuccessfully for 3 consecutive days, and generating the items of failure of reading the water meter; reporting failure items of water meter reading to a power consumption information acquisition system master station through an electric acquisition concentrator, and forwarding the direct water automatic meter reading system master station;
and 1003, connecting the water meter collector with the electric collection concentrator through an RS485 bus, and reading water meter data in the water meter concentrator by the water meter collector by utilizing a communication protocol of the power consumption information collection system of the power consumer.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (9)
1. The utility model provides a direct-reading formula teletransmission water gauge collector based on embedded system which characterized in that includes: the processor is connected with the water meter data reader, the cache register, the serial port sending unit, the communication bus and the interface; one end of the communication bus is in communication connection with the water meter to be collected.
2. The direct-reading remote water meter collector as claimed in claim 1, wherein the serial port sending unit adopts an RS232 serial port.
3. The direct-reading remote water meter collector of claim 1, wherein the cache register is an SBUF, MDR or MBR cache register.
4. The direct-reading remote water meter collector of claim 1, wherein the water meter collector is connected to the electrical collection hub via an RS485 bus.
5. The direct-reading remote water meter collector as claimed in claim 1, wherein the serial port transmitting unit is in communication connection with the electric collection center.
6. The direct-reading remote water meter collector of claim 1, wherein the communication Bus is an M-Bus.
7. The direct-reading remote water meter collector of claim 1, wherein the communication bus is connected to a direct-reading water meter to be collected in a buried well of a residential area.
8. The direct-reading remote water meter collector as claimed in claim 1, wherein the direct-reading remote water meter collector is installed in a power consumption information collection box in a corridor of a residential building and is connected with the water meter by a communication bus.
9. The direct-reading remote water meter collector of claim 1, wherein the direct-reading remote water meter collector is connected with an electric collection concentrator in the electric information collection box through an RS485 bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022085567.7U CN214279154U (en) | 2020-09-21 | 2020-09-21 | Direct-reading remote water meter collector based on embedded system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022085567.7U CN214279154U (en) | 2020-09-21 | 2020-09-21 | Direct-reading remote water meter collector based on embedded system |
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| Publication Number | Publication Date |
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| CN214279154U true CN214279154U (en) | 2021-09-24 |
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| CN202022085567.7U Expired - Fee Related CN214279154U (en) | 2020-09-21 | 2020-09-21 | Direct-reading remote water meter collector based on embedded system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112272229A (en) * | 2020-10-23 | 2021-01-26 | 国网江苏省电力有限公司 | Embedded system-based remote meter reading method and system for underground well type water meter |
-
2020
- 2020-09-21 CN CN202022085567.7U patent/CN214279154U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112272229A (en) * | 2020-10-23 | 2021-01-26 | 国网江苏省电力有限公司 | Embedded system-based remote meter reading method and system for underground well type water meter |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210924 |