CN104048703B - Multifunctional flow sensor - Google Patents
Multifunctional flow sensor Download PDFInfo
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- CN104048703B CN104048703B CN201410294393.1A CN201410294393A CN104048703B CN 104048703 B CN104048703 B CN 104048703B CN 201410294393 A CN201410294393 A CN 201410294393A CN 104048703 B CN104048703 B CN 104048703B
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- flow sensor
- intermediate plate
- housing
- pressure
- functional flow
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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 and output end, and housing upper is connected with
Intermediate plate, is connected with lid above intermediate plate.Form fluid cavity between intermediate plate and housing, formed between upper lid and intermediate plate and survey
Amount chamber.Wherein, impeller is installed in fluid cavity, impeller is provided with magnet rotor.Measurement is provided with Hall element in chamber.Work as quilt
During fluid measured flows through sensor, under fluid matasomatism, impeller stress rotates, magnet rotor concomitant rotation, and its rotating speed is put down with pipeline
All flow velocitys are directly proportional.The rotation period ground of impeller changes the magnetic resistance value of magnetic loop, the generating period therewith of the magnetic flux in detection coil
Property change, produce frequency and rotating frequency of the blade identical induced electromotive force, after circuit amplifies after testing, changed and process
Just can get measured flow value.Under existing application conditions, it is also required to its temperature in the flow of measurement fluid simultaneously
And pressure measures.However, the function of existing flow sensor is more single, the flow of fluid can only be measured, also need
Configure corresponding temperature and pressure sensor and could meet application demand.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of multi-functional flow sensor, may be used in measurement fluid flow simultaneously
To measure its temperature and pressure, meet application demand.
In order to solve above-mentioned technical problem, the multi-functional flow sensor of the present invention, including housing, housing both sides set respectively
It is equipped with input and output end, housing upper is connected with intermediate plate, be connected with lid above intermediate plate, between intermediate plate and housing
Form fluid cavity, form measurement chamber between upper lid and intermediate plate, wherein, impeller is installed in fluid cavity, impeller is provided with magnetic
Property rotor, described intermediate plate has been separated to form flow measurement chamber, temperature survey chamber and pressure measurement chambers, described flow measurement
It is separately installed with Hall element, thermistor element and pressure sensor in chamber, temperature survey chamber and pressure measurement chambers, described
It is provided with the pick-up hole connecting with fluid cavity in pressure measurement chambers.
Described pressure measurement chambers wrap around some boss being provided with for fixation pressure sensing element, on described boss
Cooperation is provided with the posting for fixation pressure measuring circuit element.
Described outside the boss has locating notch, and described positioning frame bottom is provided with some corresponding with this locating notch chimeric
Lobe.
It is provided with counterbore in described pressure measurement chambers, in this counterbore, be provided with first fitting tightly with pressure sensor
Sealing ring.
Described intermediate plate bottom is provided with the cavity for housing magnet rotor, and described pick-up hole is with this cavity even
Logical.
It is provided with the flange collar for fixing described posting in described upper lid, this flange collar has lacking of supply lines extraction
Mouthful.
It is provided with the second sealing ring between described upper lid and intermediate plate, on intermediate plate, have cannelure near edge, institute
State the second sealing ring to be flush-mounted in this cannelure.
It is also equipped with division board between described intermediate plate and housing, this division board has for leading to that impeller shaft passes through
Hole, described magnet rotor is arranged on the impeller shaft above division board.
Described division board bottom is provided with some projections, has some and this projection corresponding matching depression in described housing
Portion.
It is separately provided on described housing and intermediate plate positioning first, second location hole of impeller shaft.
The invention has the beneficial effects as follows: this multi-functional flow sensor is integrated with temperature-sensitive on the basis of measurement traffic engineering capability
Resistive element and pressure sensor are simultaneously provided with corresponding temperature survey chamber and pressure measurement chambers, so that this flow sensor is possessed
Measurement fluid flow, the ability of temperature and pressure simultaneously, range is wider, the demand meeting practical application.
Brief description
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the 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 lid；
Fig. 5 is the structural representation of housing；
Fig. 6 is the structural representation of division board.
Specific embodiment
Referring to figs. 1 to Fig. 3, the multi-functional flow sensor of the present invention, including housing 1, housing 1 both sides are respectively arranged with defeated
Enter end 2 and output end 3, housing 1 top is connected with intermediate plate 4, above intermediate plate 4, be connected with lid 5, intermediate plate 4 and housing 1 it
Between formed fluid cavity, between upper lid 5 and intermediate plate 4 formed measurement chamber, wherein, impeller 6 is installed in fluid cavity, on impeller 6 pacify
Equipped with magnet rotor 7, described intermediate plate 4 is separated to form flow measurement chamber 8, temperature survey chamber 9 and pressure measurement chambers 10, institute
State in flow measurement chamber 8, temperature survey chamber 9 and pressure measurement chambers 10 and be separately installed with Hall element, thermistor element and pressure
Power sensing element 11, is provided with the pick-up hole 12 connecting with fluid cavity in described pressure measurement chambers 10.This multi-functional stream
Quantity sensor is integrated with thermistor element and pressure sensor on the basis of measurement traffic engineering capability and is provided with corresponding temperature
Degree measurement chamber and pressure measurement chambers, make this flow sensor possess measurement fluid flow, the ability of temperature and pressure simultaneously, make
Wider with scope, to meet practical application demand.
Wherein, with reference to Fig. 2 and Fig. 4, described pressure measurement chambers 10 wrap around and are provided with for fixation pressure sensing element
11 some boss 13, cooperation on described boss 13 is provided with the posting 15 for fixation pressure measuring circuit element 14.Institute
State the flange collar 21 being provided with lid 5 for fixing described posting 15, this flange collar 21 has the breach 22 of supply lines extraction.
This structure makes pressure measurement circuitry element 14 obtain good fixation, it is to avoid is subjected to displacement in application process and affects measurement essence
Degree.
Locating notch 16 is had, described posting 15 bottom is provided with some and this locating notch 16 outside described boss 13
Corresponding chimeric lobe 17, makes installation position by the cooperation of lobe and locating notch more accurate, and can prevent posting
Rotation, more preferable to the fixed effect of pressure measurement circuitry element.
It is provided with counterbore 18 in described pressure measurement chambers 10, be provided with this counterbore 18 and closely paste with pressure sensor 11
The first sealing ring 19 closing, can prevent fluid from penetrating into and causing fault.
Described intermediate plate 4 bottom is provided with the cavity 20 for housing magnet rotor 7, and described pick-up hole 12 is recessed with this
Chamber 20 connects, and makes magnet rotor 7 and flow measurement chamber 8 closer to the precision of raising flow measurement.
It is provided with the second sealing ring 23 between described upper lid 5 and intermediate plate 4, on intermediate plate 4, have annular near edge
Groove 24, described second sealing ring 23 is flush-mounted in this cannelure 24, can prevent the material of sensor external from entering in sensor.
With reference to Fig. 2, Fig. 5 and Fig. 6, it is also equipped with division board 25 between described intermediate plate 4 and housing 1, on this division board 25
Have the through hole 26 passing through for impeller shaft, described magnet rotor 7 is arranged on the impeller shaft above division board.This division board
Cushioning effect can be played to the fluid in housing, due to the stop of division board, after fluid down, enter back into pressure through through hole 26
Measured hole 12, it is to avoid the fluid direct surge sensing element of high speed, can improve the certainty of measurement of fluid pressure.
Described division board 25 bottom is provided with some projections 27, has that some projection 27 is corresponding joins with this in described housing 1
The depressed part 28 closing, this fit structure makes division board well be fixed, prevents from being subjected to displacement under fluid impact.
Additionally, being separately provided on described housing 1 and intermediate plate 4 positioning first, second location hole of impeller shaft
29th, 30, it is easy to the assembling of impeller.
The foregoing is only the preferred embodiments of the present invention, as long as realize the skill of the object of the invention with essentially identical means
Art scheme broadly falls within protection scope of the present invention.
Claims (10)
1. multi-functional flow sensor, including housing (1), housing (1) both sides are respectively arranged with input (2) and output end (3),
Housing (1) top is connected with intermediate plate (4), is connected with lid (5), between intermediate plate (4) and housing (1) above intermediate plate (4)
Form fluid cavity, form measurement chamber between upper lid (5) and intermediate plate (4), wherein, impeller (6), impeller are installed in fluid cavity
(6) magnet rotor (7) is installed on it is characterised in that: be separated to form flow measurement chamber (8), temperature on described intermediate plate (4)
Measurement chamber (9) and pressure measurement chambers (10), divide in described flow measurement chamber (8), temperature survey chamber (9) and pressure measurement chambers (10)
Hall element, thermistor element and pressure sensor (11) are not installed, be provided with described pressure measurement chambers (10) with
The pick-up hole (12) of fluid cavity connection.
2. multi-functional flow sensor according to claim 1 it is characterised in that: the outer side ring of described pressure measurement chambers (10)
Around some boss (13) being provided with for fixation pressure sensing element (11), the upper cooperation of described boss (13) is provided with for solid
The posting (15) of constant-pressure measuring circuit element (14).
3. multi-functional flow sensor according to claim 2 it is characterised in that: have positioning outside described boss (13)
Breach (16), described posting (15) bottom is provided with some chimeric lobes (17) corresponding with this locating notch (16).
4. multi-functional flow sensor according to claim 2 it is characterised in that: setting in described pressure measurement chambers (10)
There is counterbore (18), in this counterbore (18), be provided with the first sealing ring (19) fitting tightly with pressure sensor (11).
5. multi-functional flow sensor according to claim 1 it is characterised in that: described intermediate plate (4) bottom is provided with
For housing the cavity (20) of magnet rotor (7), described pick-up hole (12) is connected with this cavity (20).
6. multi-functional flow sensor according to claim 2 it is characterised in that: be provided with described upper lid (5) for
The flange collar (21) of fixing described posting (15), this flange collar (21) has the breach (22) of supply lines extraction.
7. multi-functional flow sensor according to claim 1 it is characterised in that: described upper lid (5) and intermediate plate (4) it
Between be provided with the second sealing ring (23), intermediate plate (4) is upper, have cannelure (24), described second sealing ring near edge
(23) it is flush-mounted in this cannelure (24).
8. multi-functional flow sensor according to claim 1 it is characterised in that: described intermediate plate (4) and housing (1) it
Between be also equipped with division board (25), this division board (25) has the through hole (26) passing through for impeller shaft, described magnet rotor
(7) it is arranged on the impeller shaft above division board.
9. multi-functional flow sensor according to claim 8 it is characterised in that: described division board (25) bottom is provided with
Some projections (27), have some and this projection (27) corresponding matching depressed part (28) in described housing (1).
10. multi-functional flow sensor according to claim 1 it is characterised in that: described housing (1) and intermediate plate (4)
On be separately provided for position impeller shaft first, second location hole (29,30).
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 CN104048703A (en) | 2014-09-17 |
| CN104048703B true 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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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US10246320B2 (en) * | 2016-07-26 | 2019-04-02 | DunAn Sensing, LLC | Packages and methods of packaging sensors |
| 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 |
| 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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| CN201765071U (en) * | 2010-07-15 | 2011-03-16 | 郁建龙 | Single-jet non-magnetic heat meter |
| 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 |
| CN203908600U (en) * | 2014-06-25 | 2014-10-29 | 柯远珍 | Multifunctional flow sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH04160320A (en) * | 1990-10-24 | 1992-06-03 | Osaka Kiko Co Ltd | Liquid amount detector |
| JP5188270B2 (en) * | 2008-06-04 | 2013-04-24 | 柏原計器工業株式会社 | Impeller for weighing |
| KR101167960B1 (en) * | 2010-08-05 | 2012-07-23 | 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 |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201765071U (en) * | 2010-07-15 | 2011-03-16 | 郁建龙 | Single-jet non-magnetic heat meter |
| 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 |
| CN203908600U (en) * | 2014-06-25 | 2014-10-29 | 柯远珍 | Multifunctional flow sensor |
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| CN104048703A (en) | 2014-09-17 |
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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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