CN201974930U - Wireless remote transmission gas meter - Google Patents
Wireless remote transmission gas meter Download PDFInfo
- Publication number
- CN201974930U CN201974930U CN2011200262097U CN201120026209U CN201974930U CN 201974930 U CN201974930 U CN 201974930U CN 2011200262097 U CN2011200262097 U CN 2011200262097U CN 201120026209 U CN201120026209 U CN 201120026209U CN 201974930 U CN201974930 U CN 201974930U
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- CN
- China
- Prior art keywords
- wireless remote
- remote transmission
- gas meter
- transmission gas
- flush bonding
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a wireless remote transmission gas meter, which comprises a direct-current power supply, an embedded processor, a metering circuit, a valve control circuit, a memory and a liquid crystal display (LCD) display circuit, wherein the metering circuit, the valve control circuit, the memory and the LCD display circuit are connected with the embedded processor. The wireless remote transmission gas meter is characterized in that the wireless remote transmission gas meter additionally comprises a wireless fidelity (WIFI) module; and the WIFI module is connected with the embedded processor and the transmitting-receiving end of the WIFI module is connected with a built-in transmitting-receiving antenna. The wireless remote transmission gas meter not only can completely solve the problems of door-to-door meter reading and disturbance to residents, but also can feed back the volume used by a gas user in real time.
Description
Technical field
The utility model relates to the gas meter reading field, is specifically related to a kind of wireless remote transmission gas meter, flow meter.
Background technology
Traditional gas meter generally adopts the mechanical reading mode, therefore just need the person of the checking meter every family of registering one's residence when it charges, be back to operated gas company after reading and write down reading on the gas meter by manual type, finish the statistical work of gas consumption at last by the relevant accounting personnel of operated gas company.The shortcoming of this manual message accounting mode is: 1, along with the continuous expansion in city makes that the combustion gas user increases, the distribution of gas meter more and more widely, what bring is the increasing of workload of the person of checking meter and the increase of operating company's operating cost thereupon; 2, the modern society people more and more pay attention to the right of privacy, and the difficulty of checking meter of registering one's residence to the doorstep strengthens, also occurs easily the phenomenon that disturbs residents; 3, can't realize the tolerance real-time statistics, bring more help can not for traffic control, financial accounting.
Though, at present the IC gas meter, flow meter of the pre-payment that occurs can solve substantially to check meter and register one's residence and the problem of difficult charge, but gas company still can't be grasped combustion gas user's real-time operating position, thereby can not realize better that the rational management of tolerance, financial accounting also can only regularly carry out.
The utility model content
Technical problem to be solved in the utility model provides a kind of wireless remote transmission gas meter, flow meter, and it can not only avoid the problem of checking meter to the doorstep and disturbing residents fully, also can return combustion gas user's use amount simultaneously in real time.
For solving above-mentioned purpose, a kind of wireless remote transmission gas meter, flow meter that the utility model is designed, comprise direct supply, flush bonding processor, metering circuit, valve controling circuit, storer and LCD display circuit, above-mentioned metering circuit, valve controling circuit, storer and LCD display circuit all are connected with flush bonding processor; Its difference is: also include a WIFI (Wireless fidelity Wireless Fidelity) module; This WIFI module links to each other with flush bonding processor, is connected with a built-in dual-mode antenna on the sending and receiving end of WIFI module.
The described WIFI module of such scheme links to each other with flush bonding processor by spi bus.
The described WIFI module of such scheme mainly is made up of WLAN (Wireless Local network WLAN (wireless local area network)) chip, crystal oscillator, electrically-erasable memory, low pressure difference linear voltage regulator, driving and power amplifier, balun and single-pole double-throw switch (SPDT); Low pressure difference linear voltage regulator, WLAN chip and driving and power amplifier all are connected with direct supply; The output terminal of low pressure difference linear voltage regulator is connected on the WLAN chip; The input/output terminal of WLAN chip links to each other with flush bonding processor; Be connected to crystal oscillator and electrically-erasable memory on the WLAN chip; The transmitting terminal of WLAN chip is through overdriving and power amplifier links to each other with 1 moved end of single-pole double-throw switch (SPDT), and the receiving end of WLAN chip links to each other with 1 moved end in addition of single-pole double-throw switch (SPDT) through balun; Connect built-in dual-mode antenna on the not moved end of single-pole double-throw switch (SPDT).
The described WIFI module of such scheme also includes a wave filter, this wave filter be serially connected in drive and the input end of the output terminal of power amplifier and single-pole double-throw switch (SPDT) between.
The described direct supply of such scheme is 3.3V.
Preferably also be connected to EVDO (CDMA2000 3G) module on the described flush bonding processor of such scheme.
Preferably also be connected to radio-frequency module on the described flush bonding processor of such scheme.
Compared with prior art, the utlity model has following characteristics:
1, by the WIFI module combustion gas user's real-time gas consumption is back to operated gas company, the problem of not only avoiding fully like this of checking meter to the doorstep and disturbing residents; And operated gas company also can understand combustion gas user's use information at any time and open the pass of the interior solenoid valve of Long-distance Control gas meter, flow meter, greatly facilitates the management of company;
2, also be equipped with the EVDO module on the gas meter, flow meter, so just the communication base station that can utilize abundant communication common carrier to spread all over the country has solved the problem of networking;
3, adopt radio-frequency module to carry out the auxiliary transmission of data, can avoid the interruption of data transmission link to greatest extent, improve the reliability of data passback.
Description of drawings
Fig. 1 is a kind of wireless remote transmission gas meter, flow meter of the utility model circuit theory diagrams;
Fig. 2 is a kind of cut-away view of WIFI module.
Embodiment
A kind of wireless remote transmission gas meter, flow meter of the utility model as shown in Figure 1, comprise direct supply, flush bonding processor, metering circuit, valve controling circuit, storer and LCD display circuit, above-mentioned metering circuit, valve controling circuit, storer and LCD display circuit all are connected with flush bonding processor.In addition, also be connected to voltage monitoring circuit, gas-robbery resistence circuit, audible alarm circuit and IC-card circuit on the flush bonding processor of the present utility model.Above-mentioned storer is a flash memory.For the continuous data of gas meter, flow meter being back in real time the Surveillance center of combustion gas operator, above-mentioned gas meter, flow meter also includes a WIFI module; This WIFI module links to each other with flush bonding processor, is connected with a built-in dual-mode antenna on the sending and receiving end of WIFI module.
Above-mentioned described WIFI module as shown in Figure 2, it mainly is made up of WLAN chip, crystal oscillator, electrically-erasable memory, low pressure difference linear voltage regulator, driving and power amplifier, wave filter, balun and single-pole double-throw switch (SPDT); Low pressure difference linear voltage regulator, WLAN chip and driving and power amplifier all are connected with direct supply; The output terminal of low pressure difference linear voltage regulator is connected on the WLAN chip; The input/output terminal of WLAN chip links to each other with flush bonding processor; Be connected to crystal oscillator and electrically-erasable memory on the WLAN chip; Through overdriving and power amplifier links to each other with 1 moved end of single-pole double-throw switch (SPDT) with wave filter, the receiving end of WLAN chip links to each other with 1 moved end in addition of single-pole double-throw switch (SPDT) through balun the transmitting terminal of WLAN chip successively; Connect built-in dual-mode antenna on the not moved end of single-pole double-throw switch (SPDT).Above-mentioned WLAN chip has SDIO and two kinds of external host interface of SPI; And in the utility model preferred embodiment, the WLAN chip of described WIFI module links to each other with flush bonding processor by spi bus.The WIFI module of said structure adopts direct supply 3.3V power supply, and its operating voltage is direct current 3.3V.In addition, this WIFI module can be fit to the WLAN 802.11b/g wireless mode of standard; Its frequency is from 24-2.5GHz; Host interface voltage is direct current 1.8 or 3.3V; Radio-frequency power is 1Mbps～54Mbps under the speed of+15dBm; Receiving sensitivity can reach under 54Mbps-70dBm typ, can reach under 11Mbps-91dBm typ; The power down electric current is 180uA; The reception working current is 175Ma; The transmission electric current is 300mA.
For the communication base station that the better utilization communication common carrier spreads all over the country, the utility model also comprises the EVDO module, and this EVDO module links to each other with flush bonding processor by spi bus, is connected to built-in diversity antenna on the EVDO module.The EVDO module is the 3G network based on CDMA2000, and it can utilize communication common carrier building 3G network, thereby the problem that can solve networking greatly greatly reduces network wiring cost.In addition, in order further to improve the reliability of continuous data passback, the utility model also is furnished with radio-frequency module, and this radio-frequency module links to each other with flush bonding processor by spi bus equally, is connected to built-in dual-mode antenna on the radio-frequency module.Radio-frequency module 433Mhz frequency range of the present utility model, in-plant controlled in wireless and transmission that this frequency range can realize, allow gas meter, flow meter not only can insert Smart Home radio management gateway, realizing the pattern of family centralized management, and gas company also can be by the visit of radio-frequency module to gas meter, flow meter.
The utility model has adopted the flush bonding processor of little power consumption and ECOS embedded OS, and management makes product really have the characteristics of intelligent design to gas meter, flow meter.It is more distinctive selection that operating system in the gas meter, flow meter adopts eCos, its full name is embedded configurable operations system (EmbeddedConfigureable Operating System), and its feature is configurability, tailorability, portability and real-time.An its major technique characteristic is exactly powerful configuration-system, can be in configuration and the reduction of source code level realization to system.Compare with reduction with the configuration of Linux, the collocation method of eCos is more clear, more convenient; And system level is also clear than Linux, transplants and increase driver module to be more prone to.
Claims (7)
1. wireless remote transmission gas meter, flow meter, comprise direct supply, flush bonding processor, metering circuit, valve controling circuit, storer and LCD display circuit, above-mentioned metering circuit, valve controling circuit, storer and LCD display circuit all are connected with flush bonding processor; It is characterized in that: also include a WIFI module; This WIFI module links to each other with flush bonding processor, is connected with a built-in dual-mode antenna on the sending and receiving end of WIFI module.
2. wireless remote transmission gas meter, flow meter according to claim 1 is characterized in that: described WIFI module links to each other with flush bonding processor by spi bus.
3. wireless remote transmission gas meter, flow meter according to claim 1 and 2 is characterized in that: described WIFI module mainly is made up of WLAN chip, crystal oscillator, electrically-erasable memory, low pressure difference linear voltage regulator, driving and power amplifier, balun and single-pole double-throw switch (SPDT); Low pressure difference linear voltage regulator, WLAN chip and driving and power amplifier all are connected with direct supply; The output terminal of low pressure difference linear voltage regulator is connected on the WLAN chip; The input/output terminal of WLAN chip links to each other with flush bonding processor; Be connected to crystal oscillator and electrically-erasable memory on the WLAN chip; The transmitting terminal of WLAN chip is through overdriving and power amplifier links to each other with 1 moved end of single-pole double-throw switch (SPDT), and the receiving end of WLAN chip links to each other with 1 moved end in addition of single-pole double-throw switch (SPDT) through balun; Connect built-in dual-mode antenna on the not moved end of single-pole double-throw switch (SPDT).
4. wireless remote transmission gas meter, flow meter according to claim 3 is characterized in that: described WIFI module also includes a wave filter, this wave filter be serially connected in drive and the moved end of the output terminal of power amplifier and single-pole double-throw switch (SPDT) between.
5. wireless remote transmission gas meter, flow meter according to claim 3 is characterized in that: described direct supply is 3.3V.
6. wireless remote transmission gas meter, flow meter according to claim 1 is characterized in that: also be connected to the EVDO module on the described flush bonding processor.
7. wireless remote transmission gas meter, flow meter according to claim 1 is characterized in that: also be connected to radio-frequency module on the described flush bonding processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200262097U CN201974930U (en) | 2011-01-25 | 2011-01-25 | Wireless remote transmission gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200262097U CN201974930U (en) | 2011-01-25 | 2011-01-25 | Wireless remote transmission gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201974930U true CN201974930U (en) | 2011-09-14 |
Family
ID=44580027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200262097U Expired - Fee Related CN201974930U (en) | 2011-01-25 | 2011-01-25 | Wireless remote transmission gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201974930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103366529A (en) * | 2012-04-01 | 2013-10-23 | 东本电气科技(苏州)有限公司 | Manual copying machine for remote transmission meter |
| CN106373364A (en) * | 2016-10-31 | 2017-02-01 | 成都前锋电子仪器有限责任公司 | Remote transmission fuel gas meter collector system based on WIFI (wireless fidelity) |
-
2011
- 2011-01-25 CN CN2011200262097U patent/CN201974930U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103366529A (en) * | 2012-04-01 | 2013-10-23 | 东本电气科技(苏州)有限公司 | Manual copying machine for remote transmission meter |
| CN106373364A (en) * | 2016-10-31 | 2017-02-01 | 成都前锋电子仪器有限责任公司 | Remote transmission fuel gas meter collector system based on WIFI (wireless fidelity) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20140125 |