CN202854251U - Water meter valve detection circuit - Google Patents
Water meter valve detection circuit Download PDFInfo
- Publication number
- CN202854251U CN202854251U CN 201220535415 CN201220535415U CN202854251U CN 202854251 U CN202854251 U CN 202854251U CN 201220535415 CN201220535415 CN 201220535415 CN 201220535415 U CN201220535415 U CN 201220535415U CN 202854251 U CN202854251 U CN 202854251U
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- China
- Prior art keywords
- water meter
- meter valve
- detection
- valve
- detection circuit
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- 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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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model relates to the water meter technology field and especially relates to a water meter valve detection circuit. The water meter valve detection circuit comprises an in-place switch detection circuit used for detecting an opening state of a water meter valve and transmitting the detection signal to a micro controller and the micro controller used for receiving the detection signal of the in-place switch detection circuit and controlling unlatching of the water meter valve. The water meter valve detection circuit has a simple structure. In-place detection, time detection and current detection are combined in an or-relationship. When the water meter valve is used, any one of the conditions above exists, fault alarm is carried out, so strictness is greatly improved, alarm deficiency is effectively ameliorated, a battery replacement ratio is greatly reduced, and cost is reduced. A problem of the water meter valve can be timely discovered, and maintenance is carried out, and loss of a user is reduced to a maximum degree, alarm information can be synchronously reflected to software of a host machine through medium at a later period to facilitate information collection and edition carried out by a manager, so countermeasures at a later period can be carried out.
Description
Technical field
The utility model relates to the water meter technical field, relates in particular to a kind of water meter valve testing circuit.
Background technology
Since reform and opening-up, China's urban population sharply increases.Along with the rapid expansion of Construction Scale of Residential Building, the installation quantity of water meter also increases considerably.The usable range of IC card water meter is also along with expansion.Along with the expansion of IC card water meter usable range, also show gradually some problem places, the valve of IC card water meter reliably switch puts in place very crucially, and this has determined the normal operating position of IC card water meter.The IC card water meter of domestic a lot of manufacturers can't detect valve switch and whether put in place, and the product of indivedual producers adopts is the mechanical type detection technique that puts in place.If adopt the machinery detection mode that puts in place, when valve forwards to, the collision machine contact, thus realize shutting down.If because the valve rust extremely causes the battery over-discharge can, thereby make brownout, valve can not run well again.So, the follow-up expenses such as maintenance valve, replacing battery all can increase thereupon, have caused waste to a certain degree at cost.Obviously, this mode complex structure, poor reliability can not waterproof, antirust, easily misoperation.
The utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, and a kind of water meter valve testing circuit is provided, and can accurately judge failsafe valve, improves the reliability of water meter integral body.
The utility model for achieving the above object, by the following technical solutions: a kind of water meter valve testing circuit is characterized in that: comprising:
The location switch testing circuit for detection of the opening of water meter valve, and is transferred to microcontroller with detection signal;
Microcontroller is used for receiving the detection signal of described location switch testing circuit, and controls the unlatching of water meter valve.
Described location switch testing circuit is comprised of current-limiting resistance, divider resistance, optocoupler, and valve is connected with the input end of optocoupler with the current-limiting resistance series connection is rear, and the output terminal of optocoupler is connected with microcontroller.
Described divider resistance is three, and is connected in parallel.
Also comprise time detection circuit, for detection of the shut-in time of valve, and the time value that gathers is transferred to microcontroller.
Also comprise current detection circuit, the current value during for detection of valve closing, and the current value that gathers is transferred to microcontroller.
The beneficial effects of the utility model are: the utility model is simple in structure, with the detection that puts in place, time detecting and current detecting by or relation combine.As long as in use reach a kind of fault alarm that just has in the above-mentioned condition, preciseness improves greatly.Effectively improved the disappearance on reporting to the police, effectively optimized the expenditure on the cost, reduced meaningless power consumption loss, made the battery altering rate greatly reduce Cost reduction.Can find in time that problems with valves keeps in repair, drop to user's loss minimum.Later stage can be reflected to warning message on the upper computer software synchronously by medium, is conducive to the supvr and gathers editor, has planned the later stage countermeasure.
Description of drawings
Fig. 1 is the utility model theory diagram;
Fig. 2 is the schematic diagram of location switch testing circuit in the utility model.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing and preferred embodiment.As shown in Figure 1, a kind of water meter valve testing circuit comprises: the location switch testing circuit for detection of the opening of water meter valve, and is transferred to microcontroller with detection signal; Microcontroller is used for receiving the detection signal of described location switch testing circuit, and controls the unlatching of water meter valve.Described location switch testing circuit is comprised of current-limiting resistance R1, divider resistance R2, R3, R4, optocoupler T1, and valve is connected with the input end of optocoupler with the current-limiting resistance series connection is rear, and the output terminal of optocoupler is connected with microcontroller.Described divider resistance is three, and is connected in parallel.When valve rotate in place; the drive current of valve increases suddenly; so that the light emitting diode conducting of optocoupler inside, make it to send the light of certain wavelength, received by photo-detector and produce photocurrent; microcontroller detect optocoupler because of the conducting of valve stall after; namely can send the instruction of shutdown, by electronic switch cutting-off valve control power supply, valve current sinking this moment is zero; putting in place of valve detects the unnecessary waste of energy that has reduced battery, the serviceable life of having improved battery.
Also comprise time detection circuit, for detection of the shut-in time of valve, and the time value that gathers is transferred to microcontroller.If during greater than 15 seconds, then carrying out failsafe valve when stopping valve event, closing valve time reports to the police.
Also comprise current detection circuit, the current value during for detection of valve closing, and the current value that gathers is transferred to microcontroller.Electric current when closing the valve closing that valve detects is during greater than 450mA, then carries out simultaneously failsafe valve and reports to the police stopping valve event.
The utility model is simple in structure, with the detection that puts in place, time detecting and current detecting by or relation combine.As long as in use reach a kind of fault alarm that just has in the above-mentioned condition, preciseness improves greatly.Effectively improved the disappearance on reporting to the police, effectively optimized the expenditure on the cost, reduced meaningless power consumption loss, made the battery altering rate greatly reduce Cost reduction.Can find in time that problems with valves keeps in repair, drop to user's loss minimum.Later stage can be reflected to warning message on the upper computer software synchronously by medium, is conducive to the supvr and gathers editor, has planned the later stage countermeasure.
The above only is preferred implementation of the present utility model; should be pointed out that 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 should be considered as protection domain of the present utility model.
Claims (5)
1. water meter valve testing circuit is characterized in that: comprising:
The location switch testing circuit for detection of the opening of water meter valve, and is transferred to microcontroller with detection signal;
Microcontroller is used for receiving the detection signal of described location switch testing circuit, and controls the unlatching of water meter valve.
2. water meter valve testing circuit according to claim 1, it is characterized in that: described location switch testing circuit is comprised of current-limiting resistance, divider resistance, optocoupler, valve is connected with the input end of optocoupler with the current-limiting resistance series connection is rear, and the output terminal of optocoupler is connected with microcontroller.
3. water meter valve testing circuit according to claim 2, it is characterized in that: described divider resistance is three, and is connected in parallel.
4. according to claim 1 or 3 described water meter valve testing circuits, it is characterized in that: also comprise time detection circuit, for detection of the shut-in time of valve, and the time value that gathers is transferred to microcontroller.
5. water meter valve testing circuit according to claim 4 is characterized in that: also comprise current detection circuit, and the current value during for detection of valve closing, and the current value that gathers is transferred to microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220535415 CN202854251U (en) | 2012-10-18 | 2012-10-18 | Water meter valve detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220535415 CN202854251U (en) | 2012-10-18 | 2012-10-18 | Water meter valve detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202854251U true CN202854251U (en) | 2013-04-03 |
Family
ID=47985434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220535415 Expired - Fee Related CN202854251U (en) | 2012-10-18 | 2012-10-18 | Water meter valve detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202854251U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402479A (en) * | 2015-11-20 | 2016-03-16 | 西安航天计量测试研究所 | IC card intelligent water meter electronic control valve performance testing system and implementing method |
| CN106123759A (en) * | 2016-08-29 | 2016-11-16 | 郑州春泉节能股份有限公司 | Electrically operated valve stroke detection system and stroke detection implementation method thereof |
| CN114510836A (en) * | 2022-01-28 | 2022-05-17 | 新疆金风科技股份有限公司 | Method, device and equipment for determining reliability of wind power system and storage medium |
-
2012
- 2012-10-18 CN CN 201220535415 patent/CN202854251U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402479A (en) * | 2015-11-20 | 2016-03-16 | 西安航天计量测试研究所 | IC card intelligent water meter electronic control valve performance testing system and implementing method |
| CN105402479B (en) * | 2015-11-20 | 2017-11-28 | 西安航天计量测试研究所 | IC-card intellectual water meter electric control valve Performance Test System and implementation method |
| CN106123759A (en) * | 2016-08-29 | 2016-11-16 | 郑州春泉节能股份有限公司 | Electrically operated valve stroke detection system and stroke detection implementation method thereof |
| CN106123759B (en) * | 2016-08-29 | 2018-09-04 | 郑州春泉节能股份有限公司 | Electrically operated valve stroke detection implementation method based on electrically operated valve stroke detection system |
| CN114510836A (en) * | 2022-01-28 | 2022-05-17 | 新疆金风科技股份有限公司 | Method, device and equipment for determining reliability of wind power system and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20151018 |
|
| EXPY | Termination of patent right or utility model |