CN205015018U - Adopt noncontacting proximity sensor's flowmeter - Google Patents
Adopt noncontacting proximity sensor's flowmeter Download PDFInfo
- Publication number
- CN205015018U CN205015018U CN201520362577.7U CN201520362577U CN205015018U CN 205015018 U CN205015018 U CN 205015018U CN 201520362577 U CN201520362577 U CN 201520362577U CN 205015018 U CN205015018 U CN 205015018U
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- Prior art keywords
- sensor
- hole
- flowmeter
- pad
- target
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- 238000005259 measurement Methods 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 15
- 230000006698 induction Effects 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000001939 inductive effect Effects 0.000 claims description 8
- 239000012530 fluid Substances 0.000 abstract description 18
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model provides an adopt noncontacting proximity sensor's flowmeter, is including being equipped with can (50) and the measuring device of blind hole, measuring device includes target (12), reset spring (19), backup pad (60), reducing ring (20) and locates the interior sensor of casing of can (50), be equipped with on backup pad (60) through -hole and fixed connection on can (50) and the through -hole just to the blind hole of can (50), target (12) are passed the through -hole through target pole (14) and are connected with the sensor, the reducing encircles (20) and is equipped with the cross section and is conical passageway (22), reset spring (19) one end is fixed on target (12), the other end is fixed in on backup pad (60). Implement the utility model discloses above -mentioned adopt noncontacting proximity sensor's flowmeter removes the data that obtain at toper reducing passageway through target, measures fluid flow and improves measurement accuracy, makes the sealed life who has prolonged the sensor that sets up of sensor through the can.
Description
Technical field
The utility model relates to flowmeter, especially a kind of flowmeter adopting non-contacting sensor.
Background technology
Flowmeter is a kind of measurement mechanism be installed between fluid circuit, flowmeter is all driven by fluid to be installed in inner measurement mechanism, calculate the flow flowed through through measurement mechanism, the basic functional principle of flowmeter is, the target sheet being installed on measuring chamber fluid by time be subject to the impact force action of fluid and produce one section of displacement, this displacement becomes strict funtcional relationship with the flow velocity (impulse force) of fluid, the flow velocity of fluid can be calculated by measuring this displacement (namely impulse force), further draw the flow of fluid, conventional flow meters, in the measurement mechanism of its inside, the interaction of each assembly is all based on the way of contact, therefore after a long time use, can because of factor impacts such as impurities in fluid, the each assembly of measurement mechanism is made to produce wearing and tearing, do not reach the measuring accuracy that regulation requires.
Utility model content
In view of above-mentioned condition, be necessary to provide a kind of measuring accuracy high, the flowmeter of the employing non-contacting sensor of long service life.
For solving the problems of the technologies described above, a kind of flowmeter adopting non-contacting sensor is provided, comprise signal processing unit, display device, measurement mechanism and can, described can is the housing being provided with blind hole, described measurement mechanism comprises target sheet, back-moving spring, sensor, back up pad and reducing ring, described sensor is located in the housing of described can, described back up pad is provided with through hole, described back up pad is fixedly connected on described can and described through hole is right against the blind hole of described can, described target sheet is connected with described sensor through described through hole by target bar, described reducing ring is cylindrical shell, the passage that xsect is taper is provided with in it, described passage comprises passage inlet port and access port, described access port is fixedly connected with described back up pad, described target sheet is located at described passage inlet port place, described back-moving spring one end is fixed on described target sheet, the other end is fixed in described back up pad, described sensor and described signal processing unit and display device are electrically connected.
In the flowmeter of the above-mentioned employing non-contacting sensor of the utility model, the shell structure of described target sheet to be xsect be taper, comprises the vertex of a cone and the cone end, is located at described passage inlet port place at the bottom of described cone.
In the flowmeter of the above-mentioned employing non-contacting sensor of the utility model, the described vertex of a cone is provided with shoulder hole, and described target bar is connected by nut with described target sheet through described shoulder hole.
In the flowmeter of the above-mentioned employing non-contacting sensor of the utility model, described sensor comprises induction metal bar, reel and inductive coil, described reel is right cylinder, its inside is provided with blind hole, described inductive coil is located at described reel outside surface, described induction metal bar one end is connected with described target bar, and the other end is located in the blind hole of described reel.
In the flowmeter of the above-mentioned employing non-contacting sensor of the utility model, described target bar and described induction metal bar junction are provided with axle sleeve, and described axle sleeve is fixedly connected with described back up pad.
In the flowmeter of the above-mentioned employing non-contacting sensor of the utility model, described back-moving spring one end is fixed on described target sheet, and the other end is fixed on described axle sleeve.
In the flowmeter of the above-mentioned employing non-contacting sensor of the utility model, described axle sleeve and described can are respectively equipped with corresponding screw, described back up pad is provided with the through hole corresponding with described screw, by bolt through described screw and through hole, make described axle sleeve, described can is fixedly connected with back up pad three.
Implement the flowmeter of employing non-contacting sensor of the present utility model, moved the data obtained by target sheet at taper variable diameter passage, measure fluid flow and improve measuring accuracy, pass through can, sensor is sealed arrange, extend the serviceable life of sensor.
Accompanying drawing explanation
Fig. 1 is the flowmeter one-piece construction schematic diagram that the utility model adopts non-contacting sensor.
Fig. 2 is that the utility model adopts the flowmeter target sheet of non-contacting sensor, target sheet and metal inductive rod syndeton schematic diagram.
Fig. 3 is the flowmeter reducing ring structure schematic diagram that the utility model adopts non-contacting sensor.
Wherein: 12, target sheet; 122, the vertex of a cone; 124, the end is bored; 14, target bar; 18, nut; 19, back-moving spring; 20, reducing ring; 22, passage; 222, passage inlet port; 224, access port; 30, axle sleeve; 42, reel; 44, inductive coil; 46, metal bar is responded to; 50, can; 60, back up pad; 70, bolt.
Embodiment
Below in conjunction with drawings and Examples, the flowmeter of employing non-contacting sensor of the present utility model is described in further detail.
Refer to Fig. 1 and Fig. 3, a kind of flowmeter adopting non-contacting sensor of the utility model embodiment, comprise signal processing unit, display device, measurement mechanism and can 50, described can 50 is for being provided with the housing of blind hole, described measurement mechanism comprises target sheet 12, back-moving spring 19, sensor, back up pad 60 and reducing ring 20, described sensor is located in the housing of described can 50, described back up pad 60 is provided with through hole, described back up pad 60 is fixedly connected on described can 50 and described through hole is right against the blind hole of described can 50, described target sheet 12 is connected with described sensor through described through hole by target bar 14, described reducing ring 20 is cylindrical shell, the passage 22 that xsect is taper is provided with in it, described passage 22 comprises passage inlet port 222 and access port 224, described access port 224 is fixedly connected with described back up pad 60, described target sheet 12 is located at described passage inlet port 122 place, described back-moving spring 19 one end is fixed on described target sheet 12, the other end is fixed in described back up pad 60, described sensor and described signal processing unit and display device are electrically connected, can 50 is wrapped in outside whole sensor, make sensor and fluid isolation, can not because of the impurity in fluid, long term accumulation impacts and produces wear-out failure to sensor, therefore the serviceable life of sensor is extended.
Described sensor comprises induction metal bar 46, reel 42 and inductive coil 44, described reel 42 is right cylinder, its inside is provided with blind hole, described inductive coil 44 is located at described reel 42 outside surface, described induction metal bar 46 one end is connected with described target bar 14, and the other end is located in the blind hole of described reel 42.
Because target sheet 12 is connected with sensor by target bar 14, target sheet 12 promotes induction metal bar 46 and moves in the blind hole of reel 42 under fluid impact, the displacement of target sheet 12 can be obtained by the displacement of measuring induction metal bar 46, the geometric parameter of reducing ring 20 internal channel 22 of taper is determined, when the position of target sheet 12 is determined, the circulation area of now fluid can be calculated, the fluid flow area of flowmeter and the displacement of target sheet 12 are strict funtcional relationship, when displacement signal is passed to signal processing unit by sensor, corresponding circulation area then can be calculated by signal processing unit, finally by display device, the circulation area calculated is shown, the signal that signal processing unit sends according to the sensor made referrals to, circulation area can be calculated, just can calculate flow now, formula according to circulation area and differential pressure calculated flow rate is common practise, signal processing unit is have the single-chip microcomputer of calculation function or the IC chip of routine, display device can be common display screen etc., repeat no more.
As shown in Figure 2; target sheet 12 for xsect be the shell structure of taper; comprise the vertex of a cone 122 and the cone end 124; at the bottom of described cone, 124 are located at described passage inlet port 222 place; target sheet 12 is conical Shell structure, under fluid impact, protection degree of accuracy in advance under effectively reduce crushing; target sheet 12 is that conical shell structure is arranged, more durable and reduce the taking of installing space than schistose texture.
The described vertex of a cone 122 is provided with shoulder hole, and described target bar 14 is connected by nut 18 with described target sheet 12 through described shoulder hole, by arranging shoulder hole, target sheet 10 can be made to be connected with target bar more firm, not easily loosening.。
As shown in Figure 1, axle sleeve 30 is provided with in target bar 14 and described induction metal bar 46 junction, described axle sleeve 30 is fixedly connected with described back up pad 60, in addition, when described axle sleeve 30 and described can 50 are respectively equipped with corresponding screw, described back up pad 60 is provided with the through hole corresponding with described screw, by bolt 70 through described screw and through hole, makes described axle sleeve 30, described can 50 is fixedly connected with back up pad 60 three.
When target bar 14 is provided with axle sleeve 30 with described induction metal bar 46 junction, back-moving spring 19 one end is fixed on described target sheet 12, the other end is fixed on described axle sleeve 30, when target sheet 12 is by fluid impact, target sheet 12 pairs of back-moving springs 19 produce acting force, compression reseting spring 19, and dynamic answers metal bar 46 to produce displacement in the blind hole of reel 42 simultaneously, when the acting force that target sheet is subject to hydraulic shock diminishes or do not have, by back-moving spring 19, target sheet 12 is resetted.
The utility model adopts the flowmeter of non-contacting sensor to be moved the data obtained at taper variable diameter passage by target sheet, measures fluid flow and improves measuring accuracy, makes sensor seal the serviceable life arranging and extend sensor by can.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solutions of the utility model content, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. one kind adopts the flowmeter of non-contacting sensor, it is characterized in that: comprise signal processing unit, display device, measurement mechanism and can (50), described can (50) is for being provided with the housing of blind hole, described measurement mechanism comprises target sheet (12), back-moving spring (19), sensor, back up pad (60) and reducing ring (20), described sensor is located in the housing of described can (50), described back up pad (60) is provided with through hole, described back up pad (60) is fixedly connected on the blind hole that the upper and described through hole of described can (50) is right against described can (50), described target sheet (12) is connected with described sensor through described through hole by target bar (14), described reducing ring (20) is cylindrical shell, the passage (22) that xsect is taper is provided with in it, described passage (22) comprises passage inlet port (222) and access port (224), described access port (224) is fixedly connected with described back up pad (60), described target sheet (12) is located at described passage inlet port (222) place, described back-moving spring (19) one end is fixed on described target sheet (12), the other end is fixed in described back up pad (60), described sensor and described signal processing unit and display device are electrically connected.
2. the flowmeter adopting non-contacting sensor as claimed in claim 1, it is characterized in that: described target sheet (12) for xsect be the shell structure of taper, comprise the vertex of a cone (122) and the cone end (124), (124) at the bottom of described cone are located at described passage inlet port (222) place.
3. the flowmeter adopting non-contacting sensor as claimed in claim 2, it is characterized in that: the described vertex of a cone (122) is provided with shoulder hole, described target bar (14) is connected by nut (18) with described target sheet (12) through described shoulder hole.
4. the flowmeter adopting non-contacting sensor as claimed in claim 1, it is characterized in that: described sensor comprises induction metal bar (46), reel (42) and inductive coil (44), described reel (42) is right cylinder, its inside is provided with blind hole, described inductive coil (44) is located at described reel (42) outside surface, described induction metal bar (46) one end is connected with described target bar (14), and the other end is located in the blind hole of described reel (42).
5. the flowmeter adopting non-contacting sensor as claimed in claim 4, is characterized in that: described target bar (14) and described induction metal bar (46) junction are provided with axle sleeve (30), and described axle sleeve (30) is fixedly connected with described back up pad (60).
6. the flowmeter adopting non-contacting sensor as claimed in claim 5, is characterized in that: described back-moving spring (19) one end is fixed on described target sheet (12), and the other end is fixed on described axle sleeve (30).
7. the flowmeter adopting non-contacting sensor as claimed in claim 5, it is characterized in that: described axle sleeve (30) and described can (50) are respectively equipped with corresponding screw, described back up pad (60) is provided with the through hole corresponding with described screw, by bolt (70) through described screw and through hole, make described axle sleeve (30), described can (50) is fixedly connected with back up pad (60) three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520362577.7U CN205015018U (en) | 2015-05-29 | 2015-05-29 | Adopt noncontacting proximity sensor's flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520362577.7U CN205015018U (en) | 2015-05-29 | 2015-05-29 | Adopt noncontacting proximity sensor's flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205015018U true CN205015018U (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520362577.7U Expired - Fee Related CN205015018U (en) | 2015-05-29 | 2015-05-29 | Adopt noncontacting proximity sensor's flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205015018U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270977A (en) * | 2016-04-06 | 2017-10-20 | 深圳市泉源仪表设备制造有限公司 | A kind of binary channels turbine flowmeter |
| CN110206721A (en) * | 2019-06-28 | 2019-09-06 | 苏州优德通力科技有限公司 | A kind of hand washing sink pump |
-
2015
- 2015-05-29 CN CN201520362577.7U patent/CN205015018U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270977A (en) * | 2016-04-06 | 2017-10-20 | 深圳市泉源仪表设备制造有限公司 | A kind of binary channels turbine flowmeter |
| CN110206721A (en) * | 2019-06-28 | 2019-09-06 | 苏州优德通力科技有限公司 | A kind of hand washing sink pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181130 Address after: 410000 Room 4043, Zhixin Science and Technology Building, Yuelu Science and Technology Industrial Park, Changsha, Hunan Province, No. 152, Bachelor's Street, Yuelu District, Changsha Patentee after: Hunan hande Stirling Instrument Co. Ltd. Address before: 518000 Tianliao Community, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Quanyuan Instrumentation Equipment Manufacturing Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20210529 |
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| CF01 | Termination of patent right due to non-payment of annual fee |