CN201364175Y - Hall rotameter - Google Patents
Hall rotameter Download PDFInfo
- Publication number
- CN201364175Y CN201364175Y CNU2009201356732U CN200920135673U CN201364175Y CN 201364175 Y CN201364175 Y CN 201364175Y CN U2009201356732 U CNU2009201356732 U CN U2009201356732U CN 200920135673 U CN200920135673 U CN 200920135673U CN 201364175 Y CN201364175 Y CN 201364175Y
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- hall
- float
- circuit board
- outer cover
- cover body
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Abstract
The utility model discloses a Hall rotameter, comprising a shell body which is provided with a liquid inlet and a liquid outlet; a chock is arranged between the liquid inlet and the liquid outlet; the Hall rotameter is characterized in that a float is arranged in a liquid outlet cavity between the chock and the liquid outlet, and comprises a head part toward the liquid inlet and a tail part toward the liquid outlet; a spring is arranged at the tail part of the float in the shell body; a spring baffle plate is arranged at the other end of the spring; a magnet is arranged in the float; a circuit board which is connected with a Hall part is arranged at the radial outer side of the chock in the shell body; and the Hall part is embedded in the shell body adjacent to the magnet in the float. When the liquid flows through the chock, the float is pushed, the Hall part induces a displacement signal of the magnet, and then the displacement signal is output to the outside after being processed by a data processing unit. The Hall rotameter has the advantages of small volume, simple structure, convenient production, low cost, and excellent practicality, and is especially suitable for being used in fluid flow experiments with intelligent control and small flow.
Description
Technical field
The utility model relates to a kind of gauging instrument, specifically a kind of flowmeter that is applicable to small-bore low discharge.
Background technology
In the prior art, flowmeter is widely used in every field such as daily life and Industry Control as a kind of general measurement instrument, and flowmeter is after being connected to fluid line then, because the complex structure of flowmeter, convection cell is easy to generate pollution.Flowmeter great majority of the prior art in addition all because structure is too complicated, cause volume very big, can't be applied in the occasion of low discharge, as the flowmeter that needs in the Based Intelligent Control to use.As ZL200620135941.7 Hall flow sensor, in housing, connect the wheel hub that links with impeller with coupling spindle, between coupling spindle and the wheel hub bearing is set, wheel hub is provided with a permanent magnet, and the same side of permanent magnet, same radical length position are provided with Hall switch on the housing.Permanent magnet and impeller rotate synchronously, and along with the change of the distance of permanent magnet and Hall switch, the magnetic flux by Hall switch changes, and the Hall switch induction produces the difference pulse electric signal and outputs to flowmeter.An outstanding feature of this flowmeter is exactly that structure is huge, can't be applied to low discharge occasions such as Based Intelligent Control.The suspended body flowmeter that has occurred in the prior art also makes its range of application be subjected to great restriction because it requires vertically to install.
The utility model content
The purpose of this utility model is to provide a kind of novel Hall suspended body flowmeter for overcoming the deficiencies in the prior art.For overcoming the defective of above-mentioned prior art, a kind of new flowmeter that the utility model provides, it combines the metering method of the sensing principle and the suspended body flowmeter of Hall parts, and it is small and exquisite to have structure, convenient and practical characteristics.
The utility model technology contents is: a kind of Hall suspended body flowmeter, comprise the outer cover body that is provided with inlet and liquid outlet, be provided with restriction between inlet and the liquid outlet, it is characterized in that being located at going out between restriction and the liquid outlet and be provided with float in the sap cavity, float comprises towards the head of inlet with towards the afterbody of liquid outlet, be provided with spring in the float afterbody in the outer cover body, the other end of spring is provided with spring stop piece, be provided with magnet in the described float, radial outside in restriction in the housing main body is provided with the circuit board that is connected with the Hall parts, and the Hall parts are embedded in the outer cover body of the magnet in the contiguous float; Flow of liquid promotes float when restriction, the displacement signal of Hall parts induction float internal magnet, and displacement signal exports the outside to after being located at the data processing unit processing on the circuit board.
Further technology contents of the present utility model is: described float also comprises the axial region that is slidingly matched with restriction.
Further technology contents of the present utility model is: described circuit board comprises A/D converter, data processing unit, D/A converter and power module, described A/D converter connects with the Hall parts, D/A converter connects with the external communication line, the detected magnet displacement signal of Hall parts is sent to data processing unit through A/D converter, and the processing of magnet signal process data processing unit is after D/A converter is sent to the external communication line.
Further technology contents of the present utility model is: described data processing unit comprises data processor, storer and oscillator, and described data processor comprises adjustment circuit, amplifying circuit and filtering circuit.
Further technology contents of the present utility model is: also comprise the circuit board housing of being located on the outer cover body, circuit board housing is provided with load button or the programming port that connects with circuit board; Described adjustment circuit receives the input signal of load button or programming port, and the adjustment circuit reads in the storer corresponding adjustment instruction according to input signal the electromagnetic potential shifting signal in handling is proofreaied and correct.
Further technology contents of the present utility model is: described outer cover body is a tubular structure, described restriction is provided with scalene cone in the end face that it goes out sap cavity, described float is provided with the convex shoulder between axial region and afterbody, described convex shoulder is provided with the oblique cone portion that the scalene cone with restriction matches.
Further technology contents of the present utility model is: described inlet is provided with liquid outlet and is used for the internal thread that exterior part is connected, and described spring stop piece and outer cover body are for being threaded.
Further technology contents of the present utility model is: described float is provided with several diversion trenchs vertically in its axial region periphery.
Further technology contents of the present utility model is: outer cover body is provided with the deep trouth that is used for ccontaining Hall parts; Described circuit board is inserted in the circuit board housing, and described circuit board housing is removable the connection with outer cover body.
Further technology contents of the present utility model is: described outer cover body, float and spring are non magnetic and non-magnetic material.
The utility model beneficial effect compared with prior art is: the utility model is because of adopting the float measuring principle and detecting by the Hall parts, it is little, simple in structure to make it have a volume, produce characteristics convenient, with low cost, because the afterbody of float is provided with spring, when being used, it does not need fixed angle again.In addition, the performance of many aspects such as measurement range, resolution, precision can be done corresponding adjustment according to the fluid of heterogeneity and Reynolds number and cost requirement or the like factor, can carry out corresponding adjustment when dispatching from the factory according to client's demand sets, also can on circuit board, increase load button, the portability of adjustment voluntarily is provided for the user, being particularly suitable for the user is used as the utility model Based Intelligent Control, when the test experience instrument uses, need carries out different parameter settings to different fluids; Flexible and changeable, comply with the demand in market, have good practicability, be particularly suitable for the metering of the cleaning fluid of low discharge, the fluid flow experiment that also is particularly suitable for Based Intelligent Control, low discharge is used.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 looks synoptic diagram for the utility model Hall suspended body flowmeter specific embodiment master;
Fig. 2 looks synoptic diagram for the utility model Hall suspended body flowmeter specific embodiment left side;
Fig. 2 is the utility model Hall suspended body flowmeter specific embodiment A-A diagrammatic cross-section;
Fig. 4 is the concrete enforcement structural front view of the float of the utility model;
Fig. 5 specifically implements section of structure for the outer cover body of the utility model;
Fig. 6 specifically implements structural perspective for the outer cover body of the utility model;
Fig. 7 is the circuit frame principle figure of the utility model specific embodiment;
Fig. 8 is the frame principle figure of the data processing unit specific embodiment of the utility model;
Fig. 9 is the circuit component catenation principle figure of the utility model specific embodiment.
Embodiment
In order to more fully understand technology contents of the present utility model, the technical solution of the utility model is further introduced and explanation below in conjunction with specific embodiment.
Extremely shown in Figure 8 as Fig. 1, specific embodiment accompanying drawing for the utility model suspended body flowmeter, a kind of Hall suspended body flowmeter of the utility model, comprise the outer cover body 1 that is provided with inlet 11 and liquid outlet 12, be provided with restriction 13 between inlet 11 and the liquid outlet 12, be located at going out between restriction 13 and the liquid outlet 12 and be provided with float 2 in the sap cavity 120, float 2 comprises towards the head 21 of inlet 11 with towards the afterbody 22 of liquid outlet 12, be provided with spring 3 in float afterbody 22 in the outer cover body 1, the other end of spring 3 is provided with spring stop piece 30, be provided with magnet 20 in the float 2, radial outside in restriction 13 in the housing main body 1 is provided with the circuit board 5 that is connected with Hall parts 4, and Hall parts 4 are embedded in the outer cover body 1 of the magnet 20 in the contiguous float 2; Flow of liquid promotes float 2 when restriction 13, the displacement signal of Hall parts 4 induction floats 2 internal magnets 20, and displacement signal exports the outside to after being located at data processing unit 50 processing on the circuit board 5.Magnet 20 envelopes are located in the float 2 (monolithic molding); Float 2 also comprises the axial region 23 that is slidingly matched with restriction 13.Circuit board 5 comprises that A/D converter 51 (becomes number to decide signal the analog-signal transitions of magnet displacement, can be according to the requirement of specific embodiment, before analog to digital conversion, simulating signal is carried out the simulation process in early stage), data processing unit 50 (the digitized processing of detection signal, as adjustment, linearization process etc.), (conversion of signals that digitized processing is good becomes simulation to send out to D/A converter 52, certainly as innovation of the present utility model place, also comprise many embodiments of directly exporting digital signal to the outside) and power module 53 (for the power supply of entire circuit plate), A/D converter 51 connects with Hall parts 4, D/A converter 52 connects with external communication line 61, Hall parts 4 detected magnet displacement signals are sent to data processing unit 50 through A/D converter 51, and the processing of magnet signal process data processing unit 50 is after D/A converter 52 is sent to external communication line 61.Data processing unit 50 comprises data processor 500, storer 501 and oscillator 502, and data processor 500 (being made of single-chip microprocessor MCU usually) comprises adjustment circuit 5001 (flexible circuit of being realized by internal control instruction), amplifying circuit 5002 (flexible circuit of being realized by the internal control instruction) and filtering circuit 5003 (by the flexible circuit of internal control instruction realization).Also comprise the circuit board housing of being located on the outer cover body 16, circuit board housing 6 is provided with the programming port 55 that connects with circuit board 5 and (connects with the power supply detection module by power port, need join programmable device in addition and just can realize the data input function) or load button 56 (connect with data processing unit, external button can directly be adjusted setting work); Adjustment circuit 5001 receives the input signal of load button (or programming port), and adjustment circuit 5001 reads storer 501 interior corresponding adjustment instructions according to input signal the electromagnetic potential shifting signal in handling is proofreaied and correct.Concrete adjustment is finished by data processor internal control program.
As shown in Figure 5 and Figure 6, outer cover body 1 is a tubular structure, restriction 13 is provided with scalene cone 130 in its end face that goes out sap cavity 120, float 2 is provided with convex shoulder 24 in axial region 23 and 22 of afterbodys, the oblique cone portion 240 that convex shoulder 24 is provided with and the scalene cone 130 of restriction 13 matches (flow out in the space of liquid between scalene cone 130 and oblique cone portion 240).Inlet 11 is provided with liquid outlet 12 and is used for the internal thread that exterior part is connected, and spring stop piece 30 and outer cover body 1 are for being threaded.Float 2 in its axial region 23 peripheries be provided with vertically several diversion trenchs 230 (the innovation place: utilize diversion trench to realize that passing of liquid is mobile, and the minimum gap of axial region 23 and restriction 13 be slidingly matched realize the slide-and-guide function).Outer cover body 1 is provided with the deep trouth 14 that is used for ccontaining Hall parts 4; Circuit board 5 is inserted in the circuit board housing 6, and circuit board housing 6 is removable connection the (being connected with screw by screw) with outer cover body 1.Wherein outer cover body 1, float 2 and spring 3 are non magnetic and non-magnetic material.
In concrete the enforcement, can not adopt external button and utilize power port (output port of power module) to become programming port, load button then can save, because metering outfit, the adjustment of its measuring parameter is to be subjected to certain constraint, except that managerial personnel, other personnel do not allow parameter is made amendment usually, so our company is complying with under the demand in market, set up electric power detecting module (power supply detection) in the circuit board with suspended body flowmeter, power port is become programming port, managerial personnel can adjust the adjustment and the accounting procedure of the data processing unit of flowmeter inside by the programming port of special use, as be applied to different flow, different air pressure, all can carry out parameter adjustment under the occasion of different temperatures, make the range of application of the utility model product more extensive, and pass through professional's metering adjustment, make its measuring accuracy can reach very accurate degree again.
In sum, the utility model is because of adopting the float measuring principle and detecting by the Hall parts, and it is little, simple in structure to make it have a volume, produces characteristics convenient, with low cost, again because the afterbody of float is provided with spring, does not need fixed angle when making its application.In addition, the performance of many aspects such as measurement range, resolution, precision can be done corresponding adjustment according to the fluid of heterogeneity and Reynolds number and cost requirement or the like factor, can carry out corresponding adjustment when dispatching from the factory according to client's demand sets, also can on circuit board, increase load button, the portability of adjustment voluntarily is provided for the user, being particularly suitable for the user is used as the utility model Based Intelligent Control, when the test experience instrument uses, need carries out different parameter settings to different fluids; Flexible and changeable, comply with the demand in market, have good practicability, be particularly suitable for the metering of the cleaning fluid of low discharge, the fluid flow experiment that also is particularly suitable for Based Intelligent Control, low discharge is used.
The above only further specifies technology contents of the present utility model with embodiment; so that the reader is more readily understood; but do not represent embodiment of the present utility model to only limit to this, any technology of doing according to the utility model is extended or recreation, all is subjected to protection of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (10)
1. Hall suspended body flowmeter, comprise the outer cover body that is provided with inlet and liquid outlet, be provided with restriction between inlet and the liquid outlet, it is characterized in that being located at going out between restriction and the liquid outlet and be provided with float in the sap cavity, float comprises towards the head of inlet with towards the afterbody of liquid outlet, be provided with spring in the float afterbody in the outer cover body, the other end of spring is provided with spring stop piece, be provided with magnet in the described float, radial outside in restriction in the housing main body is provided with the circuit board that is connected with the Hall parts, and the Hall parts are embedded in the outer cover body of the magnet in the contiguous float; Flow of liquid promotes float when restriction, the displacement signal of Hall parts induction float internal magnet, and displacement signal exports the outside to after being located at the data processing unit processing on the circuit board.
2. Hall suspended body flowmeter according to claim 1 is characterized in that described float also comprises the axial region that is slidingly matched with restriction.
3. Hall suspended body flowmeter according to claim 1 and 2, it is characterized in that described circuit board comprises A/D converter, data processing unit, D/A converter and power module, described A/D converter connects with the Hall parts, D/A converter connects with the external communication line, the detected magnet displacement signal of Hall parts is sent to data processing unit through A/D converter, and the processing of magnet signal process data processing unit is after D/A converter is sent to the external communication line.
4. Hall suspended body flowmeter according to claim 3 is characterized in that described data processing unit comprises data processor, storer and oscillator, and described data processor comprises adjustment circuit, amplifying circuit and filtering circuit.
5. Hall suspended body flowmeter according to claim 4, its feature also comprises the circuit board housing of being located on the outer cover body, circuit board housing is provided with load button or the programming port that connects with circuit board; Described adjustment circuit receives the input signal of load button or programming port, and the adjustment circuit reads in the storer corresponding adjustment instruction according to input signal the electromagnetic potential shifting signal in handling is proofreaied and correct.
6. Hall suspended body flowmeter according to claim 2, it is characterized in that described outer cover body is a tubular structure, described restriction is provided with scalene cone in the end face that it goes out sap cavity, described float is provided with the convex shoulder between axial region and afterbody, described convex shoulder is provided with the oblique cone portion that the scalene cone with restriction matches.
7. Hall suspended body flowmeter according to claim 6 is characterized in that described inlet and liquid outlet are provided with and is used for the internal thread that exterior part is connected, and described spring stop piece and outer cover body are for being threaded.
8. Hall suspended body flowmeter according to claim 6 is characterized in that described float is provided with several diversion trenchs vertically in its axial region periphery.
9. Hall suspended body flowmeter according to claim 2 is characterized in that described outer cover body is provided with the deep trouth that is used for ccontaining Hall parts; Described circuit board is inserted in the circuit board housing, and described circuit board housing is removable the connection with outer cover body.
10. Hall suspended body flowmeter according to claim 6 is characterized in that described outer cover body, float and spring are non magnetic and non-magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201356732U CN201364175Y (en) | 2009-03-20 | 2009-03-20 | Hall rotameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201356732U CN201364175Y (en) | 2009-03-20 | 2009-03-20 | Hall rotameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201364175Y true CN201364175Y (en) | 2009-12-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201356732U Expired - Fee Related CN201364175Y (en) | 2009-03-20 | 2009-03-20 | Hall rotameter |
Country Status (1)
| Country | Link |
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| CN (1) | CN201364175Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101750117A (en) * | 2010-03-05 | 2010-06-23 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | High-pressure gas metering device |
| CN102455190A (en) * | 2010-10-23 | 2012-05-16 | 深圳市鑫汇科电子有限公司 | Magnetic induction water-proof encoder |
| CN103411019A (en) * | 2013-07-31 | 2013-11-27 | 施汝钱 | Water flow sensor |
| CN108759192A (en) * | 2018-06-20 | 2018-11-06 | 合肥美的电冰箱有限公司 | Break-make detector, refrigeration system, refrigerator and the refrigeration detection method of refrigerating circuit |
| CN114737955A (en) * | 2022-04-06 | 2022-07-12 | 中国石油化工股份有限公司 | Float flowmeter fixing device and water outlet flow detection pipe column |
-
2009
- 2009-03-20 CN CNU2009201356732U patent/CN201364175Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101750117A (en) * | 2010-03-05 | 2010-06-23 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | High-pressure gas metering device |
| CN102455190A (en) * | 2010-10-23 | 2012-05-16 | 深圳市鑫汇科电子有限公司 | Magnetic induction water-proof encoder |
| CN102455190B (en) * | 2010-10-23 | 2013-11-20 | 深圳市鑫汇科电子有限公司 | Magnetic induction water-proof encoder |
| CN103411019A (en) * | 2013-07-31 | 2013-11-27 | 施汝钱 | Water flow sensor |
| CN103411019B (en) * | 2013-07-31 | 2016-12-07 | 施汝钱 | A kind of water flow sensing unit |
| CN108759192A (en) * | 2018-06-20 | 2018-11-06 | 合肥美的电冰箱有限公司 | Break-make detector, refrigeration system, refrigerator and the refrigeration detection method of refrigerating circuit |
| CN108759192B (en) * | 2018-06-20 | 2020-10-09 | 合肥美的电冰箱有限公司 | On-off detector of refrigeration loop, refrigeration system, refrigerator and refrigeration detection method |
| CN114737955A (en) * | 2022-04-06 | 2022-07-12 | 中国石油化工股份有限公司 | Float flowmeter fixing device and water outlet flow detection pipe column |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20180320 |