CN104048703A - Multifunctional flow sensor - Google Patents
Multifunctional flow sensor Download PDFInfo
- Publication number
- CN104048703A CN104048703A CN201410294393.1A CN201410294393A CN104048703A CN 104048703 A CN104048703 A CN 104048703A CN 201410294393 A CN201410294393 A CN 201410294393A CN 104048703 A CN104048703 A CN 104048703A
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- flow sensor
- intermediate plate
- housing
- functional flow
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- 239000012530 fluid Substances 0.000 claims abstract description 27
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 22
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 238000009529 body temperature measurement Methods 0.000 abstract 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a multifunctional flow sensor. The multifunctional flow sensor comprises a case. An input end and an output end are arranged on the two sides of the case respectively. The upper portion of the case is connected with a middle plate, an upper cover is connected to the upper portion of the middle plate, a fluid cavity is formed between the middle plate and the case, and a measurement cavity is formed between the upper cover and the middle plate. An impeller is installed in the fluid cavity and provided with a magnetic rotor. A flow measurement cavity, a temperature measurement cavity and a pressure measurement cavity are formed in the middle plate at intervals, and a Hall element, a thermistor resistor element and a pressure sensing element are installed in the flow measurement cavity, the temperature measurement cavity and the pressure measurement cavity respectively. According to the multifunctional flow sensor, on the basis of the flow measurement function, the thermistor resistor element and the pressure sensing element are integrated, the temperature measurement cavity and the pressure measurement cavity are formed correspondingly, and therefore the multifunctional flow sensor has the ability to measure fluid flow, temperature and pressure at the same time, is wider in use range and can meet the needs of practical application.
Description
Technical field
The present invention relates to a kind of sensor, particularly a kind of flow sensor.
Background technology
Flow sensor includes housing, and housing both sides are respectively arranged with input end and output terminal, and housing top is connected with intermediate plate, and intermediate plate top is connected with upper cover.Between intermediate plate and housing, form fluid cavity, between upper cover and intermediate plate, form and measure chamber.Wherein, impeller is installed in fluid cavity, magnet rotor is installed on impeller.Measure in chamber Hall element is installed.When detected fluid flows through sensor, under fluid effect, the stressed rotation of impeller, magnet rotor rotates thereupon, the rapid-result direct ratio of its rotating speed and pipe plane current-sharing.The rotation period ground of impeller changes the magnetic resistance value of magnetic loop, magnetic flux in magnetic test coil thereupon generating period changes, produce the frequency induction electromotive force identical with rotating frequency of the blade, after circuit amplifies after testing, change and process just to obtain measured flow value.Under existing application conditions, at the flow of measuring fluid, also need its temperature and pressure to measure simultaneously.Yet the function ratio of existing flow sensor is more single, can only measure the flow of fluid, also need to configure corresponding temperature and pressure sensor and could meet application demand.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of multi-functional flow sensor, at measurement fluid flow, can measure its temperature and pressure simultaneously, meets application demand.
In order to solve the problems of the technologies described above, multi-functional flow sensor of the present invention, comprise housing, housing both sides are respectively arranged with input end and output terminal, housing top is connected with intermediate plate, intermediate plate top is connected with upper cover, between intermediate plate and housing, form fluid cavity, between upper cover and intermediate plate, form and measure chamber, wherein, impeller is installed in fluid cavity, magnet rotor is installed on impeller, on described intermediate plate, be separated to form flow measurement chamber, temperature survey chamber and pressure measurement chambers, described flow measurement chamber, in temperature survey chamber and pressure measurement chambers, be separately installed with Hall element, thermistor element and pressure sensor, in described pressure measurement chambers, be provided with the pick-up hole being communicated with fluid cavity.
Described pressure measurement chambers outside is surrounded with the some boss for fixation pressure sensing element, on described boss, coordinates the posting for fixation pressure metering circuit element is installed.
Described boss outside has locating notch, and described posting bottom is provided with some chimeric lobes corresponding to this locating notch.
In described pressure measurement chambers, be provided with counterbore, in this counterbore, be provided with the first O-ring seal fitting tightly with pressure sensor.
Described intermediate plate bottom is provided with the cavity for accommodating magnet rotor, and described pick-up hole is communicated with this cavity.
In described upper cover, be provided with the flange collar for fixing described posting, in this flange collar, have the breach that supply lines is drawn.
Between described upper cover and intermediate plate, be provided with the second O-ring seal, on intermediate plate, the place of keeping to the side has ring groove, described the second O-ring seal is flush-mounted in this ring groove.
Division board is also installed between described intermediate plate and housing, has the through hole passing for impeller shaft on this division board, described magnet rotor is arranged on the impeller shaft of division board top.
Described division board bottom is provided with some projections, has some and depressed part this projection corresponding matching in described housing.
On described housing and intermediate plate, be respectively arranged with for locating first, second pilot hole of impeller shaft.
The invention has the beneficial effects as follows: this multi-functional flow sensor integrated thermistor element and pressure sensor be provided with corresponding temperature survey chamber and pressure measurement chambers on measuring flow function basis, make this flow sensor possess the ability of simultaneously measuring fluid flow, temperature and pressure, usable range is wider, to meet the demand of practical application.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is structural representation of the present invention;
Fig. 2 is decomposition texture schematic diagram of the present invention;
Fig. 3 is the structural representation of intermediate plate;
Fig. 4 is the structural representation of upper cover;
Fig. 5 is the structural representation of housing;
Fig. 6 is the structural representation of division board.
Embodiment
Referring to figs. 1 through Fig. 3, multi-functional flow sensor of the present invention, comprise housing 1, housing 1 both sides are respectively arranged with input end 2 and output terminal 3, housing 1 top is connected with intermediate plate 4, intermediate plate 4 tops are connected with upper cover 5, between intermediate plate 4 and housing 1, form fluid cavity, between upper cover 5 and intermediate plate 4, form and measure chamber, wherein, impeller 6 is installed in fluid cavity, magnet rotor 7 is installed on impeller 6, on described intermediate plate 4, be separated to form flow measurement chamber 8, temperature survey chamber 9 and pressure measurement chambers 10, described flow measurement chamber 8, in temperature survey chamber 9 and pressure measurement chambers 10, be separately installed with Hall element, thermistor element and pressure sensor 11, in described pressure measurement chambers 10, be provided with the pick-up hole 12 being communicated with fluid cavity.This multi-functional flow sensor integrated thermistor element and pressure sensor be provided with corresponding temperature survey chamber and pressure measurement chambers on measuring flow function basis, make this flow sensor possess the ability of simultaneously measuring fluid flow, temperature and pressure, usable range is wider, to meet the demand of practical application.
Wherein, with reference to Fig. 2 and Fig. 4, described pressure measurement chambers 10 outsides are surrounded with the some boss 13 for fixation pressure sensing element 11, on described boss 13, coordinate the posting 15 for fixation pressure metering circuit element 14 is installed.In described upper cover 5, be provided with the flange collar 21 for fixing described posting 15, in this flange collar 21, have the breach 22 that supply lines is drawn.It is good fixing that this structure obtains pressure measurement circuitry element 14, avoids being subjected to displacement in application process and affect measuring accuracy.
Described boss 13 outsides have locating notch 16, described posting 15 bottoms are provided with some and the corresponding chimeric lobe 17 of this locating notch 16, by making lobe and coordinating of locating notch installation location more accurate, and can prevent the rotation of posting, better to the fixed effect of pressure measurement circuitry element.
In described pressure measurement chambers 10, be provided with counterbore 18, in this counterbore 18, be provided with the first O-ring seal 19 fitting tightly with pressure sensor 11, can prevent that fluid from infiltrating and cause fault.
Described intermediate plate 4 bottoms are provided with the cavity 20 for accommodating magnet rotor 7, and described pick-up hole 12 is communicated with this cavity 20, make magnet rotor 7 and flow measurement chamber 8 more close, improve the precision of flow measurement.
Between described upper cover 5 and intermediate plate 4, be provided with the second O-ring seal 23, on intermediate plate 4, the place of keeping to the side has ring groove 24, described the second O-ring seal 23 is flush-mounted in this ring groove 24, can prevent that the material of sensor outside from entering in sensor.
With reference to Fig. 2, Fig. 5 and Fig. 6, between described intermediate plate 4 and housing 1, division board 25 is also installed, on this division board 25, have the through hole 26 passing for impeller shaft, described magnet rotor 7 is arranged on the impeller shaft of division board top.This division board can play buffer action to the fluid in housing, due to stopping of division board, fluid enters pick-up hole 12 again through through hole 26 after slowing down, and has avoided the direct surge pressure sensing element of fluid at a high speed, can improve the measuring accuracy of fluid pressure.
Described division board 25 bottoms are provided with some projections 27, have some and depressed parts 28 these projection 27 corresponding matching in described housing 1, and this fit structure is well fixed division board, prevents from being subjected to displacement under fluid impact.
In addition, on described housing 1 and intermediate plate 4, be respectively arranged with for locating first, second pilot hole 29,30 of impeller shaft, be convenient to the assembling of impeller.
The foregoing is only preferential embodiment of the present invention, as long as within the technical scheme that realizes the object of the invention with basic identical means all belongs to protection scope of the present invention.
Claims (10)
1. multi-functional flow sensor, comprise housing (1), housing (1) both sides are respectively arranged with input end (2) and output terminal (3), housing (1) top is connected with intermediate plate (4), intermediate plate (4) top is connected with upper cover (5), between intermediate plate (4) and housing (1), form fluid cavity, between upper cover (5) and intermediate plate (4), form and measure chamber, wherein, impeller (6) is installed in fluid cavity, magnet rotor (7) is installed on impeller (6), it is characterized in that: on described intermediate plate (4), be separated to form flow measurement chamber (8), temperature survey chamber (9) and pressure measurement chambers (10), described flow measurement chamber (8), in temperature survey chamber (9) and pressure measurement chambers (10), be separately installed with Hall element, thermistor element and pressure sensor (11), in described pressure measurement chambers (10), be provided with the pick-up hole (12) being communicated with fluid cavity.
2. multi-functional flow sensor according to claim 1, it is characterized in that: described pressure measurement chambers (10) outside is surrounded with the some boss (13) for fixation pressure sensing element (11), upper cooperation of described boss (13) is provided with the posting (15) for fixation pressure metering circuit element (14).
3. multi-functional flow sensor according to claim 2, is characterized in that: described boss (13) outside has locating notch (16), and described posting (15) bottom is provided with some and the corresponding chimeric lobe of this locating notch (16) (17).
4. multi-functional flow sensor according to claim 2, is characterized in that: in described pressure measurement chambers (10), be provided with counterbore (18), be provided with the first O-ring seal (19) fitting tightly with pressure sensor (11) in this counterbore (18).
5. multi-functional flow sensor according to claim 1, is characterized in that: described intermediate plate (4) bottom is provided with the cavity (20) for accommodating magnet rotor (7), and described pick-up hole (12) is communicated with this cavity (20).
6. multi-functional flow sensor according to claim 2, is characterized in that: in described upper cover (5), be provided with the flange collar (21) for fixing described posting (15), have the breach (22) that supply lines is drawn in this flange collar (21).
7. multi-functional flow sensor according to claim 1, it is characterized in that: between described upper cover (5) and intermediate plate (4), be provided with the second O-ring seal (23), intermediate plate (4) is upper, the place of keeping to the side has ring groove (24), and described the second O-ring seal (23) is flush-mounted in this ring groove (24).
8. multi-functional flow sensor according to claim 1, it is characterized in that: between described intermediate plate (4) and housing (1), division board (25) is also installed, on this division board (25), have the through hole (26) passing for impeller shaft, described magnet rotor (7) is arranged on the impeller shaft of division board top.
9. multi-functional flow sensor according to claim 8, is characterized in that: described division board (25) bottom is provided with some projections (27), has some and depressed part (28) this projection (27) corresponding matching in described housing (1).
10. multi-functional flow sensor according to claim 1, is characterized in that: on described housing (1) and intermediate plate (4), be respectively arranged with first, second pilot hole (29,30) for locating impeller shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410294393.1A CN104048703B (en) | 2014-06-25 | 2014-06-25 | Multifunctional flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410294393.1A CN104048703B (en) | 2014-06-25 | 2014-06-25 | Multifunctional flow sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104048703A true CN104048703A (en) | 2014-09-17 |
| CN104048703B CN104048703B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410294393.1A Active CN104048703B (en) | 2014-06-25 | 2014-06-25 | Multifunctional flow sensor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764495A (en) * | 2015-03-17 | 2015-07-08 | 广东合胜智能科技有限公司 | Impeller type flow sensor easy to mount and demount |
| CN107655620A (en) * | 2016-07-26 | 2018-02-02 | 盾安传感有限公司 | Packaging part and the method for encapsulating sensor |
| CN107677344A (en) * | 2017-09-22 | 2018-02-09 | 广州本元信息科技有限公司 | Weighing device and weighing goods shelf |
| CN112050861A (en) * | 2020-09-23 | 2020-12-08 | 绍兴市上虞东虞塑料电器有限公司 | Temperature flow detection circuit and sensor thereof |
| CN114877939A (en) * | 2022-05-13 | 2022-08-09 | 浙江大元泵业股份有限公司 | Pressure flow sensor module |
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| JPH04160320A (en) * | 1990-10-24 | 1992-06-03 | Osaka Kiko Co Ltd | Liquid amount detector |
| JP2009294035A (en) * | 2008-06-04 | 2009-12-17 | Kashiwabara Keiki Kogyo Kk | Impeller for metering |
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| CN201819705U (en) * | 2010-08-25 | 2011-05-04 | 中环天仪股份有限公司 | Detachable type multi-parameter measurement turbine flow meter |
| CN201955121U (en) * | 2010-12-15 | 2011-08-31 | 陕西航天动力高科技股份有限公司 | Mechanical/electronic double display turbine flowmeter |
| KR20120013596A (en) * | 2010-08-05 | 2012-02-15 | 경성제닉스(주) | A Magnetic Shielding Water Meter for Preventing a Rigging |
| CN203009973U (en) * | 2012-11-12 | 2013-06-19 | 杭州湘君电子有限公司 | Solenoid valve with flow sensor |
| CN203349874U (en) * | 2013-06-07 | 2013-12-18 | 上海正克电器有限公司 | Water flow sensor |
| CN203908600U (en) * | 2014-06-25 | 2014-10-29 | 柯远珍 | Multifunctional flow sensor |
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2014
- 2014-06-25 CN CN201410294393.1A patent/CN104048703B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04160320A (en) * | 1990-10-24 | 1992-06-03 | Osaka Kiko Co Ltd | Liquid amount detector |
| JP2009294035A (en) * | 2008-06-04 | 2009-12-17 | Kashiwabara Keiki Kogyo Kk | Impeller for metering |
| CN201765071U (en) * | 2010-07-15 | 2011-03-16 | 郁建龙 | Single-jet non-magnetic heat meter |
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| CN203009973U (en) * | 2012-11-12 | 2013-06-19 | 杭州湘君电子有限公司 | Solenoid valve with flow sensor |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764495A (en) * | 2015-03-17 | 2015-07-08 | 广东合胜智能科技有限公司 | Impeller type flow sensor easy to mount and demount |
| CN104764495B (en) * | 2015-03-17 | 2018-01-30 | 广东铃木智能科技有限公司 | A kind of easy-to-dismount vane type flow sensor |
| CN107655620A (en) * | 2016-07-26 | 2018-02-02 | 盾安传感有限公司 | Packaging part and the method for encapsulating sensor |
| CN107677344A (en) * | 2017-09-22 | 2018-02-09 | 广州本元信息科技有限公司 | Weighing device and weighing goods shelf |
| CN107677344B (en) * | 2017-09-22 | 2024-03-15 | 广州本元信息科技有限公司 | Weighing device and weighing goods shelf |
| CN112050861A (en) * | 2020-09-23 | 2020-12-08 | 绍兴市上虞东虞塑料电器有限公司 | Temperature flow detection circuit and sensor thereof |
| CN114877939A (en) * | 2022-05-13 | 2022-08-09 | 浙江大元泵业股份有限公司 | Pressure flow sensor module |
| CN114877939B (en) * | 2022-05-13 | 2023-09-22 | 浙江大元泵业股份有限公司 | Pressure flow sensor module |
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| Publication number | Publication date |
|---|---|
| CN104048703B (en) | 2017-01-25 |
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Effective date of registration: 20160105 Address after: Xinhui District, Guangdong city of Jiangmen province 529100 City River Road No. 13 Building No. 2 301 Applicant after: JIANGMEN HONGKE ELECTRONIC TECHNOLOGY CO., LTD. Address before: 529100, 15 East Qing Hua Garden, 13 Dong Qing Nan Road, Xinhui District, Guangdong, Jiangmen, 703 Applicant before: Ke Yuanzhen |
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Effective date of registration: 20190402 Address after: 529100 Building 301 No. 1, No. 13, Jianghui Road, Huicheng, Xinhui District, Jiangmen City, Guangdong Province Patentee after: Jiangmen Rui drive Electronic Technology Co., Ltd. Address before: 529100 Building 301, No. 13 Jianghui Road, Huicheng, Xinhui District, Jiangmen City, Guangdong Province Patentee before: JIANGMEN HONGKE ELECTRONIC TECHNOLOGY CO., LTD. |
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