CN201772900U - Ultrasonic gas meter - Google Patents
Ultrasonic gas meter Download PDFInfo
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- CN201772900U CN201772900U CN2010202984286U CN201020298428U CN201772900U CN 201772900 U CN201772900 U CN 201772900U CN 2010202984286 U CN2010202984286 U CN 2010202984286U CN 201020298428 U CN201020298428 U CN 201020298428U CN 201772900 U CN201772900 U CN 201772900U
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- control module
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Abstract
The utility model discloses an ultrasonic gas meter. An ultrasonic detecting device arranged in the gas meter is used for measuring flow of gas, and an RF radiofrequency module is arranged to realize wireless transmission of data of the gas meter. The RF radiofrequency module is disposed in a plastic casing, transmitting openings are arranged at corresponding positions of a meter body and a front cover, namely the RF radiofrequency module is fixed in the plastic casing, openings are respectively disposed on the stainless steel meter body and the front cover, and the RF radiofrequency module is isolated from the stainless steel casing via the openings, so that signals can not be affected when the RF radiofrequency module outwards transmits the radiofrequency signals.
Description
Technical field
The utility model belongs to the instrument field, particularly a kind of gas meter, flow meter.
Background technology
Gas meter, flow meter is used for the metering user gas consumption, now general gas meter, flow meter is by being arranged on the mechanical type meter in the gas meter, flow meter to the metering of using combustion gas, be that mechanical counter of gear train drive that combustion gas promotes to be arranged on through gas meter, flow meter the time in the gas meter, flow meter is beated, when combustion gas stops to flow, counter also stops to beat, finally be to determine what of gas consumption by the numeral of the demonstration on the counter, but this gas meter, flow meter service time of a specified duration after the precision degradation phenomena can appear, catabiosis can appear in the gear train that is gas meter, flow meter, and measuring accuracy is reduced; So just occurred the higher ultrasonic wave gas meter of precision now, but no matter be that mechanical metering-type gas meter, flow meter or ultrasonic wave gas meter all need by read usage data on gas meter, flow meter, promptly meaning needs the meter reading personnel to remove to see each gas meter, flow meter, inconvenience very.At present, popular mode is to adopt the infrared data communication in the industry, but this mode communication distance is shorter, is disturbed easily.
Summary of the invention
The purpose of this utility model provides a kind ofly carries out the teletransmission communication by radio-frequency technique, the ultrasonic wave gas meter that its communication intensity transmission is effective.
The technical solution of the utility model is: a kind of ultrasonic wave gas meter, comprise the table body, be provided with blast tube in the table body, the endpiece of blast tube is provided with valve, the table body is provided with the protecgulum with its sealing, and the protecgulum outside is equipped with plastic casing, and the both sides of described blast tube all are provided with ultrasonic sensor, ultrasonic sensor connects ultrasonic detection device, and ultrasonic detection device comprises main control module, data acquisition module and power module;
Two ultrasonic sensors all link to each other with data acquisition module, and are separately positioned on the upstream and downstream in the blast tube internal combustion air communication path of table body, and ultrasonic sensor is respectively applied for ultrasonic signal from reception the other side to the other side that launch ultrasonic signal and;
Data acquisition module is used to gather the signal that ultrasonic sensor receives, and converts signal data to digital quantity and passes to main control module;
Data that main control module deal with data acquisition module sends and the flow that obtains combustion gas.
Described main control module is connected with the RF radio-frequency module that is used for the teletransmission of gas meter, flow meter data wireless, and the RF radio-frequency module is arranged in the described plastic casing, has the emission opening with RF radio-frequency module correspondence position on described protecgulum and the table body.
As preferably, described plastic casing is provided with display panels.
As preferably, described main control module is connected with alarm module.
As preferably, described table body and protecgulum are stainless steel watch body and stainless steel protecgulum.
As preferably, described main control module is connected with the valve driving module, and the valve driving module connects valve; When gas meter, flow meter measures gas flow when unusual, can stop air feed by valve-off.
As preferably, described main control module connects the voltage detection module that is used to detect power module voltage.
As preferably, described main control module connects the super capacitor as standby power supply.
As preferably, described main control module is connected with and is used for gas meter, flow meter and carries out the infrared communication module that information is transmitted with outside.
As preferably, described main control module also is connected with the calibration module that is used to calibrate gas flow; By calibration module the gas flow that obtains is calibrated and to make the degree of accuracy of gas flow higher.
As preferably, described main control module is connected with the IC-card module for reading and writing.
Ultrasonic wave gas meter of the present utility model is measured the flow of combustion gas by ultrasonic detection device is set in gas meter, flow meter, and the data wireless teletransmission that the RF radio-frequency module is realized gas meter, flow meter is set, the RF radio-frequency module is arranged in the plastic casing, and table body and protecgulum have the emission opening on the position corresponding with it, be that the RF radio-frequency module is fixed in the plastic casing, and an opening is arranged on stainless table body and the protecgulum, the RF radio-frequency module is when outwards sending radiofrequency signal like this, can not be subjected to the influence and the shielding of metal shell, the strength of transmitted signals effect is very good.
Description of drawings
Fig. 1 is a perspective view of the present utility model;
Fig. 2 is arranged on the interior synoptic diagram of plastic casing for the RF radio-frequency module;
Fig. 3 is a blast wiring layout of the present utility model;
Fig. 4 is the theory diagram of ultrasonic detection device.
Embodiment
Shown in Fig. 1～3, a kind of ultrasonic wave gas meter, comprise table body 2, be provided with blast tube 7 and valve 9 in the table body 2, table body 2 is provided with the protecgulum 4 with its sealing, and protecgulum 4 outsides are equipped with plastic casing 5, and the both sides of described blast tube 7 are provided with ultrasonic sensor 8, ultrasonic sensor 8 connects ultrasonic detection device, and ultrasonic detection device comprises main control module, data acquisition module and power module;
Two ultrasonic sensors all link to each other with data acquisition module, and are separately positioned on the upstream and downstream in the blast tube internal combustion air communication path of table body, and ultrasonic sensor is respectively applied for ultrasonic signal from reception the other side to the other side that launch ultrasonic signal and;
Data acquisition module is used to gather the signal that ultrasonic sensor receives, and converts signal data to digital quantity and passes to main control module;
Main control module is used for data that the deal with data acquisition module sends and the flow that obtains combustion gas,
Described main control module is connected with the RF radio-frequency module 10 that is used for the teletransmission of gas meter, flow meter data wireless, and RF radio-frequency module 10 is arranged in the plastic casing 5, is provided with emission opening 3,1 with RF radio-frequency module 10 correspondence positions on described protecgulum 4 and the table body 2.RF radio-frequency module 10 is fixed in the plastic casing 5, and an opening is arranged on stainless table body 2 and the protecgulum 4, and RF radio-frequency module 10 can not be subjected to the influence and the shielding of metal shell when outwards sending radiofrequency signal like this, and it is very good to send signal effect.RF radio-frequency module 10 sends and received signal by main control module, and with the data on flows of gas meter, flow meter, metering data is sent in the counting equipment in charging center or the person's of the checking meter hand, can realize centralized checking meter.
As shown in Figure 4, two ultrasonic sensors, ultrasonic sensor one all links to each other with data acquisition module with ultrasonic sensor two,
Data acquisition module is used to gather the signal that ultrasonic sensor receives, and converts signal data to digital quantity and passes to main control module;
Display panels is connected with main control module, shows the information of gas meter, flow meter as required; Main displaying contents has: flow information, instantaneous delivery and integrated flux, valve switch state, supply voltage state, gas flow state, and warning message etc.
Two ultrasonic sensors, after ultrasonic sensor one and ultrasonic sensor two are received the ultrasonic signal that the other side sends respectively, send the data of gathering to main control module by data acquisition module, main control module transmits the delivery time T2 of ultrasonic signals to ultrasonic sensor one according to delivery time T1 and the ultrasonic sensor two that the data that send obtain ultrasonic sensor one transmission ultrasonic signal arrival ultrasonic sensor two, obtains the flow Q of combustion gas then by the computing formula of gas flow.Display module adopts LCDs, can comparatively make things convenient for the flow information of dexterous demonstration gas meter, flow meter, comprises instantaneous delivery and integrated flux.
Correction module is set simultaneously in order to proofread and correct the gas-flow value on the gas meter, flow meter, because when actual flow was measured, several factors all can have influence on measurement result, so be necessary the theory measurement value is proofreaied and correct, updating formula is Q
t=KQ+B, wherein Qt is for proofreading and correct later flow, the theoretical delivery value of Q for calculating according to formula, K, B are correction parameter, many group calculated values are measured in determining and can importing the different gas flow of many groups to gas meter, flow meter in calibrating table tool of K, B value, after obtaining the actual value and calculated value of many group gas flows, can pass through the value of correction parameter K, a B of definite the bests such as least square method or curve fitting method.
Main control module connects the infrared communication module; When the gas meter, flow meter measurement and calibration, it all is to be undertaken by the infrared communication module that the setting of table number and measuring parameter are set, and promptly gas meter, flow meter is by infrared communication module and external information transmission.
Main control module connects the data storage module, and the data-storing module adopts eeprom memory, is used for various gas meter, flow meter information and user profile such as storing subscriber information data, table number information, measuring parameter information, use information, abnormal alarm information.
Main control module connects alarm module, and when gas meter, flow meter takes place when unusual, or power down or storage tolerance are sent buzzer warning sound, call user's attention when not enough.
Main control module connects the IC-card module for reading and writing, the IC-card module for reading and writing is used for IC-card and gas meter, flow meter carries out the information transmission, the user can pay the combustion gas expense in advance by gas company, gas company writes the information of paying the fees to IC-card then, the user realizes the break-make of combustion gas by IC-card and gas meter, flow meter message exchange, thereby realizes the pre paid functionality of gas meter, flow meter.
Main control module connects the data storage module, and the data-storing module adopts eeprom memory, is used for various gas meter, flow meter information and user profile such as storing subscriber information data, table number information, measuring parameter information, use information, abnormal alarm information.
Main control module connects the voltage detection module that is used to detect power module voltage; Voltage detection module detects the voltage of power module, when supply voltage drops to under-voltage value, send under-voltage signal and give main control module, main control module sends alarm command, valve closing order, data storage command and stops the IC-card read write command, and each functional module is according to command execution.
Main control module connects the super capacitor as standby power supply; Behind power supply power-fail, adopt standby super capacitor power supply, be mainly used in the command execution of main control module order issue and each performance element this moment.
Be connected with the valve driving module on main control module, the valve driving module connects valve, and when gas meter, flow meter detected the unusual or power module under-voltage of gas flow, main control module just by valve driving module controls valve closing breather line, stopped air feed; After gas flow and supply voltage recovery normally, main control module is opened breather line with regard to by-pass valve control, recovers air feed.
Claims (10)
1. ultrasonic wave gas meter, comprise the table body, be provided with blast tube and valve in the table body, the table body is provided with the protecgulum with its sealing, protecgulum is equipped with plastic casing outward, it is characterized in that, the both sides of described blast tube all are provided with ultrasonic sensor, ultrasonic sensor connects ultrasonic detection device, and ultrasonic detection device comprises main control module, data acquisition module and power module;
Two ultrasonic sensors all link to each other with data acquisition module, and are separately positioned on the upstream and downstream in the blast tube internal combustion air communication path of table body, and ultrasonic sensor is respectively applied for ultrasonic signal from reception the other side to the other side that launch ultrasonic signal and;
Data acquisition module is used to gather the signal that ultrasonic sensor receives, and converts signal data to digital quantity and passes to main control module;
Data that main control module deal with data acquisition module sends and the flow that obtains combustion gas,
Described main control module is connected with the RF radio-frequency module that is used for the teletransmission of gas meter, flow meter data wireless, and the RF radio-frequency module is arranged in the described plastic casing, is provided with the emission opening with RF radio-frequency module correspondence position on described protecgulum and the table body.
2. a kind of ultrasonic wave gas meter according to claim 1 is characterized in that described plastic casing is provided with display panels.
3. a kind of ultrasonic wave gas meter according to claim 1 and 2 is characterized in that, described table body and protecgulum are stainless steel watch body and stainless steel protecgulum.
4. a kind of ultrasonic wave gas meter according to claim 1 and 2 is characterized in that described main control module is connected with alarm module.
5. a kind of ultrasonic wave gas meter according to claim 1 and 2 is characterized in that described main control module is connected with the valve driving module, and the valve driving module connects valve.
6. a kind of ultrasonic wave gas meter according to claim 1 and 2 is characterized in that, described main control module connects the voltage detection module that is used to detect power module voltage.
7. a kind of ultrasonic wave gas meter according to claim 1 and 2 is characterized in that described main control module also is connected with the calibration module that is used to calibrate gas flow.
8. a kind of ultrasonic wave gas meter according to claim 1 and 2 is characterized in that, described main control module is connected with and is used for gas meter, flow meter and outside infrared communication module of carrying out the information transmission.
9. a kind of ultrasonic wave gas meter according to claim 1 and 2 is characterized in that described main control module is connected with the IC-card module for reading and writing.
10. a kind of ultrasonic wave gas meter according to claim 1 and 2 is characterized in that, described main control module connects the super capacitor as standby power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202984286U CN201772900U (en) | 2010-08-19 | 2010-08-19 | Ultrasonic gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202984286U CN201772900U (en) | 2010-08-19 | 2010-08-19 | Ultrasonic gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201772900U true CN201772900U (en) | 2011-03-23 |
Family
ID=43752748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202984286U Expired - Lifetime CN201772900U (en) | 2010-08-19 | 2010-08-19 | Ultrasonic gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201772900U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090547A (en) * | 2014-06-25 | 2014-10-08 | 山东省农业科学院科技信息研究所 | Intelligent multi-protocol integrated wireless network transmitting and controlling device and application thereof |
| CN105403264A (en) * | 2015-11-12 | 2016-03-16 | 重庆前卫克罗姆表业有限责任公司 | Channel in ultrasonic flowmeter |
| CN105444830A (en) * | 2015-11-12 | 2016-03-30 | 重庆前卫克罗姆表业有限责任公司 | Ultrasonic flowmeter |
| CN109340448A (en) * | 2018-12-11 | 2019-02-15 | 成都霍姆赛福科技有限公司 | A kind of fuel gas safety valve unit |
-
2010
- 2010-08-19 CN CN2010202984286U patent/CN201772900U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090547A (en) * | 2014-06-25 | 2014-10-08 | 山东省农业科学院科技信息研究所 | Intelligent multi-protocol integrated wireless network transmitting and controlling device and application thereof |
| CN105403264A (en) * | 2015-11-12 | 2016-03-16 | 重庆前卫克罗姆表业有限责任公司 | Channel in ultrasonic flowmeter |
| CN105444830A (en) * | 2015-11-12 | 2016-03-30 | 重庆前卫克罗姆表业有限责任公司 | Ultrasonic flowmeter |
| CN105444830B (en) * | 2015-11-12 | 2018-12-14 | 重庆前卫克罗姆表业有限责任公司 | Ultrasonic flowmeter |
| CN105403264B (en) * | 2015-11-12 | 2019-05-07 | 重庆前卫克罗姆表业有限责任公司 | Runner in ultrasonic flowmeter |
| CN109340448A (en) * | 2018-12-11 | 2019-02-15 | 成都霍姆赛福科技有限公司 | A kind of fuel gas safety valve unit |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110323 |
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| CX01 | Expiry of patent term |