CN203224270U - Micro power consumption bubble type liquidometer - Google Patents
Micro power consumption bubble type liquidometer Download PDFInfo
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- CN203224270U CN203224270U CN 201220360513 CN201220360513U CN203224270U CN 203224270 U CN203224270 U CN 203224270U CN 201220360513 CN201220360513 CN 201220360513 CN 201220360513 U CN201220360513 U CN 201220360513U CN 203224270 U CN203224270 U CN 203224270U
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- gas circuit
- liquid level
- power consumption
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Abstract
The utility model discloses a micro power consumption bubble type liquidometer, comprising a liquid level detection unit (1), a micro power consumption control unit (2), a compressed gas unit (3), an air path branch control unit (4), and an air path balance unit (5). The air path branch control unit (4) uses a check valve to replace a solenoid valve, and thereby the air path can be automatically opened when the air is filled, and can be automatically closed when the filling is completed. The micro power consumption bubble type liquidometer is advantageous in that the control is simple, and electric energy consumption is saved; with the air path branch control unit (4), the automatic opening and closing of the air path can be realized, and detection speed can be accelerated; the micro power consumption control unit (2) adopts a processor chip with micro power consumption, and when the detection is completed, the equipment is in a static work state, and thereby power consumption is reduced; corresponding density is set for different liquid, and thereby the liquid levels of different liquid can be measured.
Description
Technical field
The utility model relates to a kind of little power consumption air bubble type liquid level gauge, and it comprises measuring tube, air pump, baroceptor, little power consumption control module.
Background technology
In the prior art, air bubble type liquid level gauge need use at least two solenoid valves to separate control to detecting gas circuit and air supply channel.A kind of air bubble type liquid level gauge is disclosed in Chinese invention patent CN200510008870.4, have bottom at least submerge air supply pipe in the liquid in the fluid box, supply with the pressure transducer of the gaseous tension in compressed-air actuated air supply source, the instrumentation air supply pipe in the air supply pipe, show the display part of the liquid level in the fluid box based on the detection signal of pressure transducer; Also have first solenoid valve of the pressurized air supply passageway of switching from the pressurized air supply source to air supply pipe, second solenoid valve of the air pressure detection path of switching from the air supply pipe to the pressure transducer.Open the second closed electromagnetic valve air pressure detection path in the blowing model of pressurized air supply passageway at first solenoid valve, open the first closed electromagnetic valve pressurized air supply passageway in the measurement pattern of Pressure monitoring path at second solenoid valve.Because prior art need be used at least two solenoid valves, the control more complicated, reaction velocity is slow, therefore causes the overall power of air bubble type liquid level gauge big.
The utility model content
The utility model improves at the problem that above-mentioned prior art exists, be that the technical problems to be solved in the utility model provides a kind of micropower air bubble type liquid level gauge, this air bubble type liquid level gauge can use gas circuit branch control unit to replace solenoid valve and use the processor chips of little power consumption, thereby realize that control is simple, reaction velocity is accelerated, low-power consumption.
For solving the problems of the technologies described above, micropower air bubble type liquid level gauge of the present utility model comprises liquid level detecting unit, little power consumption control unit, pressure gas unit, gas circuit branch control unit, gas circuit balancing unit;
Liquid level detecting unit structure is pressure transducer and collecting unit thereof, and itself and described little power consumption control cell interconnection transmit the pressure parameter signal of reflection liquid level height to described little power consumption control unit, and divide the control unit to be connected by gas passage with gas circuit;
Little power consumption control unit is in order to the circuit part of connection control pressure gas unit and liquid level detecting unit, and built-in little power consumption processor is realized the function to measuring process control, measurement result calculating and external communication output;
The pressure gas unit components is air pump and the control circuit of band protection, and it connects gas circuit and divides the control unit, and air pump divides the control unit to make gas circuit be full of air all the time to gas circuit pump gas by gas circuit during measurement;
Gas circuit divides the control unit inner threeway device for the band non-return valve, it connects the gas circuit balancing unit, be used for pressure gas unit and gas circuit are isolated, when pressurized air injects gas circuit, open gas circuit, etc. closing this path behind the gas equilibrium in the gas circuit balancing unit, and give liquid level detecting unit one gas passage and be used for the sensed pressure parameter;
The gas circuit balancing unit is mainly used in the gas circuit balance, the gas circuit that arrives the liquid level detecting unit is satisfied measure requirement;
Processor chips control air pump pump gas by little power consumption will be full of air from the measuring tube that liquid external is guided to measurement point, and the air pressure of gas circuit is measured in the stable back of gas circuit, and the acceleration of gravity according to density of liquid and measurement point calculates the result automatically then.
The beneficial effect that the utlity model has: gas circuit branch control unit uses non-return valve to replace solenoid valve, makes and opens gas circuit when injecting air automatically, closes gas circuit automatically after injection is finished, and control is simple, and has saved power consumption; Gas circuit divides the control unit to realize the automatic shutter gas circuit, has improved detection speed; Little power consumption control unit adopts the processor chips of little power consumption, makes equipment enter the quiescent operation state after detection is finished, and has reduced power consumption; For different liquids corresponding density is set, can measures the different liquids liquid level.
Description of drawings:
Fig. 1 micropower air bubble type liquid level gauge structural representation;
Fig. 2 pressure gas cell schematics;
Fig. 3 liquid level detecting unit synoptic diagram.
Embodiment:
As shown in Figure 1, 2, 3, the micropower air bubble type liquid level gauge has liquid level detecting unit 1, little power consumption control unit 2, pressure gas unit 3, gas circuit branch control unit 4, gas circuit balancing unit 5; The structure of liquid level detecting unit 1 is pressure transducer 6 and collecting unit 7 thereof; Pressure gas unit 3 main elements are air pump 8 and the control circuit 9 of band protection; Gas circuit balancing unit 5 is installed, and it highly is H to surface level one fixed measuring point
iThe liquid level height of its measurement point relatively is H, and liquid level to the height of surface level is H
2=H
1+ H; The table look-up density p of gravity acceleration g and the water body of learning the erecting stage inputs to water body in the body apparatus 10; Start to measure pressure gas is injected gas circuit 11; After waiting for the air pressure balance of gas circuit balancing unit 5 and gas circuit 11, by liquid level detecting unit 1 sensed pressure parameter P
1, according to the gas equilibrium principle, the gaseous tension of gas circuit balancing unit 5 is designated as P
2, P
1=P
2=ρ gH
2,
That is:
Little power consumption control unit 2 calculates liquid level H according to above formula.
Obviously, above-described embodiment of the present utility model only is for the utility model example clearly is described, and is not to be restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And these belong to apparent variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.
Claims (3)
1. micropower air bubble type liquid level gauge is characterized in that: this micropower air bubble type liquid level gauge has liquid level detecting unit (1), little power consumption control unit (2), pressure gas unit (3), gas circuit and divides control unit (4), gas circuit balancing unit (5); The structure of described liquid level detecting unit (1) is for comprising pressure transducer (6) and collecting unit (7) thereof, for detection of the pressure parameter that can reflect the liquid level height; Described pressure gas unit (3) element is air pump (8) and the control circuit (9) of band protection, it connects described gas circuit and divides control unit (4), and described air pump (8) divides control unit (4) to make described gas circuit (11) be full of air all the time to gas circuit (11) pump gas by described gas circuit during measurement; Described gas circuit balancing unit (5) is used for the gas circuit balance, the gas circuit that arrives described liquid level detecting unit (1) is satisfied measure requirement.
2. micropower air bubble type liquid level gauge according to claim 1 is characterized in that: the built-in little power consumption processor in described little power consumption control unit (2), and in order to connect the circuit part of control pressure gas unit (3) and liquid level detecting unit (1).
3. micropower air bubble type liquid level gauge according to claim 1, it is characterized in that: described gas circuit divides the control unit inner threeway device for the band non-return valve, it connects described gas circuit balancing unit (5), be used for described pressure gas unit (3) and described gas circuit (11) are isolated, when pressurized air injects gas circuit, open gas circuit, close this path after waiting the gas equilibrium in the described gas circuit balancing unit (5), and give described liquid level detecting unit (1) one gas passage and be used for the sensed pressure parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220360513 CN203224270U (en) | 2012-07-25 | 2012-07-25 | Micro power consumption bubble type liquidometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220360513 CN203224270U (en) | 2012-07-25 | 2012-07-25 | Micro power consumption bubble type liquidometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203224270U true CN203224270U (en) | 2013-10-02 |
Family
ID=49251273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220360513 Expired - Lifetime CN203224270U (en) | 2012-07-25 | 2012-07-25 | Micro power consumption bubble type liquidometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203224270U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487107A (en) * | 2013-10-09 | 2014-01-01 | 深圳市科皓信息技术有限公司 | Bubble type level gauge |
| CN104154967A (en) * | 2014-08-21 | 2014-11-19 | 上海朗宝电子科技有限公司 | Automatic water level calibration device and method |
| CN105258761A (en) * | 2014-07-16 | 2016-01-20 | 东莞市海川博通信息科技有限公司 | Bubble type water level indicator and water body sediment concentration detection method |
-
2012
- 2012-07-25 CN CN 201220360513 patent/CN203224270U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487107A (en) * | 2013-10-09 | 2014-01-01 | 深圳市科皓信息技术有限公司 | Bubble type level gauge |
| CN105258761A (en) * | 2014-07-16 | 2016-01-20 | 东莞市海川博通信息科技有限公司 | Bubble type water level indicator and water body sediment concentration detection method |
| CN104154967A (en) * | 2014-08-21 | 2014-11-19 | 上海朗宝电子科技有限公司 | Automatic water level calibration device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGGUAN HAICHUAN BOTONG INFORMATION TECHNOLOGY CO Free format text: FORMER OWNER: GUANGZHOU HEFENG AUTOMATION TECHNOLOGY CO., LTD. Effective date: 20131030 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 510665 GUANGZHOU, GUANGDONG PROVINCE TO: 523000 DONGGUAN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131030 Address after: 523000, room 01, fourth, B, Goldman Sachs Science Park (North Zone), 84 Zhongli Road, South Lake District, Dongguan, Guangdong Patentee after: DONGGUAN HCBETOP COMMUNICATION INFORMATION SCIENCE & TECHNOLOGY CO.,LTD. Address before: 510665 Guangdong city of Guangzhou province Tianhe District Tong Road 288 B2058 Patentee before: GUANGZHOU HOWFOR TECH CO.,LTD. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20131002 |
|
| CX01 | Expiry of patent term |