CN203012856U - Intelligent gas meter based on switch reluctance sensor - Google Patents
Intelligent gas meter based on switch reluctance sensor Download PDFInfo
- Publication number
- CN203012856U CN203012856U CN 201220725389 CN201220725389U CN203012856U CN 203012856 U CN203012856 U CN 203012856U CN 201220725389 CN201220725389 CN 201220725389 CN 201220725389 U CN201220725389 U CN 201220725389U CN 203012856 U CN203012856 U CN 203012856U
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- Prior art keywords
- gas meter
- counter
- circuit
- resistance sensor
- intelligent gas
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 10
- 235000014676 Phragmites communis Nutrition 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses an intelligent gas meter based on a switch reluctance sensor. The intelligent gas meter comprises a basic gas meter, a signal acquirer and a controller. A front counter of the basic gas meter comprises a counter support and a plurality of counter type drums. The signal acquirer comprises a switch reluctance sensor, a signal receiving board and a magnet. The switch reluctance sensor is welded on the signal receiving board which is fixed on the upper surface of the counter support. The magnet is embedded on one of the counter type drums. The controller is disposed below the counter inside the basic gas meter and is connected with the signal receiving board through a wire. A power module and an LCD (Liquid crystal display) are respectively connected with the controller. The signal reading function is realized by replacing the original reed sensor with the switch reluctance sensor, and the intelligent gas meter is accurate in metering, convenient to install, highly sensitive and high in metering precision.
Description
Technical field
The utility model relates to a kind of flow measurement device, specifically a kind of intelligent gas meter based on the switching magnetic-resistance sensor.
Background technology
The at present existing intelligent gas meter mode of winning the confidence mainly adopts and add a circuit board above counter, weld tongue tube on circuit board, or on the counter-support above counter directly fixedly tongue tube as sensor, fixed magnets on character wheel of counter, obtain flow signal to coordinate sensor simultaneously.Because tongue tube is glass material, when reaching fixedly, welding very easily causes damage, simultaneously move or transportation in also can cause damage, cause to obtain the counter pulse signal, or can not Obtaining Accurate counter pulse signal, cause intelligent gas meter not measure or measure inaccurately, simultaneously the tongue tube volume is difficult for greatly installing.
The utility model content
For above-mentioned deficiency, the utility model provides a kind of intelligent gas meter based on the switching magnetic-resistance sensor, and it is accurate measurement, easy for installation not only, and highly sensitive, and measuring accuracy is high.
The technical scheme in the invention for solving the technical problem is: a kind of intelligent gas meter based on the switching magnetic-resistance sensor, comprise gas meter, flow meter base table, signal picker and controller, it is characterized in that, the counter of described gas meter, flow meter base table front end comprises counter-support and some character wheel of counters, and described some character wheel of counters are arranged on counter-support with the coaxial cable section gap; Described signal picker comprises the switching magnetic-resistance sensor, win the confidence plate and magnet, described switching magnetic-resistance sensor is welded on the plate of winning the confidence, the described plate of winning the confidence is fixed on the front end upside of counter-support, and described magnet is embedded on a character wheel of counter in some character wheel of counters; Described controller is arranged on outside the gas meter, flow meter base table, described controller comprises housing, power module, LCD LCDs and is arranged on microprocessor, power circuit, signal acquisition circuit and LCD liquid crystal display circuit in housing, and described microprocessor is connected with power circuit, signal acquisition circuit and LCD liquid crystal display circuit respectively; Described signal acquisition circuit is connected with the plate of winning the confidence by wire, sends to microprocessor in order to the pulse information of the gas meter, flow meter base table that will collect; Described power circuit is connected with power module in being arranged on gas meter, flow meter base table housing, with thinking that controller provides working power; Described LCD liquid crystal display circuit is connected with the LCD LCDs, in order to the relevant information that shows that microprocessor sends.
Further, also comprise operation valve, described operation valve is built in the gas meter, flow meter base table; Described controller also comprises the valve controling circuit that is arranged in housing, and described valve controling circuit is connected with operation valve with microprocessor respectively, in order to control the switching manipulation of operation valve valve according to microprocessor instruction.
Further, described controller also comprises read-write card circuit and the teletransmission circuit that is arranged in housing, and described read-write card circuit is connected with microprocessor with the teletransmission circuit and is connected, in order to read-write card and the transporting function of realizing intelligent gas meter.
Further, described switching magnetic-resistance sensor is on the rotational plane that is inlaid with the magnet character wheel of counter.
Further, described magnet is embedded on the character wheel of counter that intelligent gas meter is set as pulse equivalency.
Further, described controller is arranged on the below of the outer counter of gas meter, flow meter base table.
Further, described controller is arranged on the gas meter, flow meter base table and facilitates the place of operation outward, and is connected with signal picker by fire-resistnt wire.
The beneficial effects of the utility model are: the utility model is realized the signal-obtaining function by adopting the switching magnetic-resistance sensor to substitute original tongue tube sensor, accurate measurement, easy for installation not only, and also highly sensitive, measuring accuracy is high.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the theory diagram of controller described in the utility model;
In figure: 1 gas meter, flow meter base table, 2 switching magnetic-resistance sensors, 3 win the confidence plate, 4 controllers, 5 power modules, 6LCD LCDs, 7 counter-support, 8 character wheel of counters, 9 magnets, 10 wires, 11 operation valves.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, the utility model is elaborated.
As depicted in figs. 1 and 2, a kind of intelligent gas meter based on the switching magnetic-resistance sensor of the present utility model, it comprises gas meter, flow meter base table 1, signal picker and controller 4.The counter of described gas meter, flow meter base table 1 front end comprises counter-support 7 and some character wheel of counters 8, and described some character wheel of counters 8 are arranged on counter-support 7 with the coaxial cable section gap; Described signal picker comprises switching magnetic-resistance sensor 2, win the confidence plate 3 and magnet 9, described switching magnetic-resistance sensor 2 is welded on the plate 3 of winning the confidence, the described plate 3 of winning the confidence is fixed on the front end upside of counter-support 7, described magnet 9 is embedded on the character wheel of counter 8 that intelligent gas meter is set as pulse equivalency, and described switching magnetic-resistance sensor is on the rotational plane that is inlaid with the magnet character wheel of counter; Described controller 4 is arranged on the below of gas meter, flow meter base table 1 outer counter, described controller 4 comprises housing, power module 5, LCD LCDs 6 and is arranged on microprocessor, power circuit, signal acquisition circuit and LCD liquid crystal display circuit in housing, and described microprocessor is connected with power circuit, signal acquisition circuit and LCD liquid crystal display circuit respectively; Described signal acquisition circuit is connected with the plate 3 of winning the confidence by wire 10, sends to microprocessor in order to the pulse information of the gas meter, flow meter base table that will collect; Described power circuit is connected with power module 5 in being arranged on gas meter, flow meter base table housing, with thinking that controller 4 provides working power; Described LCD liquid crystal display circuit is connected with LCD LCDs 6, in order to the relevant information that shows that microprocessor sends.
Further, described intelligent gas meter also comprises operation valve 11, and described operation valve is built in gas meter, flow meter base table 1; Described controller 4 also comprises the valve controling circuit that is arranged in housing, and described valve controling circuit is connected with operation valve with microprocessor respectively and is connected, in order to control the switching manipulation of operation valve 11 valves according to microprocessor instruction.
Further, described controller 4 also comprises read-write card circuit and the teletransmission circuit that is arranged in housing, and described read-write card circuit is connected with microprocessor with the teletransmission circuit and is connected, in order to read-write card and the transporting function of realizing intelligent gas meter.
Except structure described in the utility model, all the other are prior art.
The above is preferred implementation of the present utility model; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also are regarded as protection domain of the present utility model.
Claims (7)
1. intelligent gas meter based on the switching magnetic-resistance sensor, comprise gas meter, flow meter base table, signal picker and controller, it is characterized in that, the counter of described gas meter, flow meter base table front end comprises counter-support and some character wheel of counters, and described some character wheel of counters are arranged on counter-support with the coaxial cable section gap; Described signal picker comprises the switching magnetic-resistance sensor, win the confidence plate and magnet, described switching magnetic-resistance sensor is welded on the plate of winning the confidence, the described plate of winning the confidence is fixed on the front end upside of counter-support, and described magnet is embedded on a character wheel of counter in some character wheel of counters; Described controller is arranged on outside the gas meter, flow meter base table, described controller comprises housing, power module, LCD LCDs and is arranged on microprocessor, power circuit, signal acquisition circuit and LCD liquid crystal display circuit in housing, and described microprocessor is connected with power circuit, signal acquisition circuit and LCD liquid crystal display circuit respectively; Described signal acquisition circuit is connected with the plate of winning the confidence by wire, sends to microprocessor in order to the pulse information of the gas meter, flow meter base table that will collect; Described power circuit is connected with power module in being arranged on gas meter, flow meter base table housing, with thinking that controller provides working power; Described LCD liquid crystal display circuit is connected with the LCD LCDs, in order to the relevant information that shows that microprocessor sends.
2. a kind of intelligent gas meter based on the switching magnetic-resistance sensor according to claim 1, is characterized in that, also comprises operation valve, and described operation valve is built in the gas meter, flow meter base table; Described controller also comprises the valve controling circuit that is arranged in housing, and described valve controling circuit is connected with operation valve with microprocessor respectively, in order to control the switching manipulation of operation valve valve according to microprocessor instruction.
3. a kind of intelligent gas meter based on the switching magnetic-resistance sensor according to claim 1, it is characterized in that, described controller also comprises read-write card circuit and the teletransmission circuit that is arranged in housing, described read-write card circuit is connected with microprocessor with the teletransmission circuit and is connected, in order to read-write card and the transporting function of realizing intelligent gas meter.
4. a kind of intelligent gas meter based on the switching magnetic-resistance sensor according to claim 1, is characterized in that, described switching magnetic-resistance sensor is on the rotational plane that is inlaid with the magnet character wheel of counter.
5. a kind of intelligent gas meter based on the switching magnetic-resistance sensor according to claim 1, is characterized in that, described magnet is embedded on the character wheel of counter that intelligent gas meter is set as pulse equivalency.
6. a kind of intelligent gas meter based on the switching magnetic-resistance sensor according to claim 1, is characterized in that, described controller is arranged on the below of the outer counter of gas meter, flow meter base table.
7. a kind of intelligent gas meter based on the switching magnetic-resistance sensor according to claim 1, is characterized in that, described controller is arranged on the gas meter, flow meter base table and facilitates the place of operation outward, and is connected with signal picker by fire-resistnt wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220725389 CN203012856U (en) | 2012-12-25 | 2012-12-25 | Intelligent gas meter based on switch reluctance sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220725389 CN203012856U (en) | 2012-12-25 | 2012-12-25 | Intelligent gas meter based on switch reluctance sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203012856U true CN203012856U (en) | 2013-06-19 |
Family
ID=48604429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220725389 Expired - Fee Related CN203012856U (en) | 2012-12-25 | 2012-12-25 | Intelligent gas meter based on switch reluctance sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203012856U (en) |
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2012
- 2012-12-25 CN CN 201220725389 patent/CN203012856U/en not_active Expired - Fee Related
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