CN204788509U - Flow sensor - Google Patents

Flow sensor Download PDF

Info

Publication number
CN204788509U
CN204788509U CN201520466873.1U CN201520466873U CN204788509U CN 204788509 U CN204788509 U CN 204788509U CN 201520466873 U CN201520466873 U CN 201520466873U CN 204788509 U CN204788509 U CN 204788509U
Authority
CN
China
Prior art keywords
cover
flow sensor
flow
impeller
pcb board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201520466873.1U
Other languages
Chinese (zh)
Inventor
李平柳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DONGGUAN CITY YILUN INDUSTRIAL Co Ltd
Original Assignee
DONGGUAN CITY YILUN INDUSTRIAL Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DONGGUAN CITY YILUN INDUSTRIAL Co Ltd filed Critical DONGGUAN CITY YILUN INDUSTRIAL Co Ltd
Priority to CN201520466873.1U priority Critical patent/CN204788509U/en
Application granted granted Critical
Publication of CN204788509U publication Critical patent/CN204788509U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model belongs to the technical field of the sensor, especially, relate to a flow sensor, including the casing flow monitoring element inside with being located the casing, the casing by the upper cover, be located the bottom of upper cover below and be located the upper cover and the bottom between the lower cover constitute, the flow monitoring element comprises impeller, magnet piece, PCB board, hall element, butt joint water pipe, O type circle. The utility model discloses flow sensor mainly embodies smallly, and start -up flow rate is little, and the dependable flow frequency is accurate, can the wide application in small -size domestic appliance fields such as some small -size water dispensers, coffee machine, water purifiers, further expand all applications of paddling to, and then realize promoting the purpose of quality, expansion range of application.

Description

A kind of flow sensor
Technical field
The utility model belongs to sensor technical field, particularly relates to a kind of flow sensor.
Background technology
Flow sensor be a kind of can the device of fluid flow high low signal in testing pipes, often use in the control system of fluid machinery.Can be used to accumulative fluid total volume after being combined with suitable mechanical hook-up and/or electric device by flow sensor, also can be used for detecting instantaneous delivery.Water meter is called for the device of accumulative water inventory in the control system of water disposal facility, device for detecting instantaneous delivery is called flowmeter, and water meter and flowmeter can adopt the patten's design and manufacture that are combined with suitable mechanical hook-up and/or electric device by flow sensor.
But traditional flow sensor, traffic frequency accuracy is poor, starts flow large, is not suitable for using in the small household appliances such as some small-sized bottled water stations, coffee machine, water purifier.
In view of this, necessaryly provide a kind of flow sensor, guaranteed flow frequency is accurate, start flow little, the feature of its low discharge can meet Most users and take the photograph water demand, can minute adjustment, is relatively applicable to using in the small household appliances such as some small-sized bottled water stations, coffee machine, water purifier.
Utility model content
The purpose of this utility model is: provide a kind of flow sensor, and to solve flow sensor traditional in above-mentioned background technology, traffic frequency accuracy is poor, starts the problem that flow is large.
For achieving the above object, the utility model adopts following technical scheme: a kind of flow sensor, comprises housing and the flow monitoring element being positioned at enclosure interior;
Described housing is made up of upper cover, the bottom below upper cover and the lower cover between upper cover and bottom;
Described flow monitoring element is by impeller, magnet piece, pcb board, Hall element, form water receiving pipe, O type circle.
Described impeller is arranged in the space that upper cover and lower cover surround, described magnet piece adopts combinatorial injection molding formula mode to be arranged on impeller, described O type circle is arranged between upper cover and lower cover, and be positioned at the outside of impeller, described pcb board is arranged in the space that surrounds between bottom and lower cover, describedly runs through in the space that upper cover and lower cover surround water receiving pipe, and described Hall element welds with pcb board, and be fixed on outside bottom, and glue is adopted bottom and pcb board to be fixed.
The surrounding of described upper cover and lower cover adopts six screws to fix, and the shape after combination is hexagonal plum blossom-shaped.
The centre of described impeller by draw point run through be fixed on lower cover and on cover.
Described pcb board is connected with connector by wire, and described wire adopts dark red yellow line.
Described magnet piece can arrange two or four.
The beneficial effects of the utility model are: the utility model comprises housing and is positioned at the flow monitoring element of enclosure interior; Described housing is made up of upper cover, the bottom below upper cover and the lower cover between upper cover and bottom; Described flow monitoring element is by impeller, magnet piece, pcb board, Hall element, form water receiving pipe, O type circle.The utility model flow sensor, major embodiment volume is little, start flow little, guaranteed flow frequency is accurate, the small household appliance fields such as some small-sized bottled water stations, coffee machine, water purifier can be widely used in, expand all applications of paddling further to, and then realize promoting quality, expand the object of range of application.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is decomposing schematic representation of the present utility model.
Fig. 3 is cut-open view of the present utility model.
Wherein: 1-bottom, 2-lower cover, 3-upper cover, 4-to water receiving pipe, 5-O type circle, 6-magnet piece, 7-draw point, 8-impeller, 9-screw, 10-wire, 11-connector, 12-PCB plate, 13-Hall element, 14-housing, 15-flow monitoring element.
Embodiment
Below in conjunction with embodiment and Figure of description, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
As shown in Fig. 1 ~ 3, a kind of flow sensor, comprises housing 14 and the flow monitoring element 15 being positioned at housing 14 inside;
Housing 14 is made up of upper cover 3, the bottom 1 below upper cover 3 and the lower cover between upper cover 3 and bottom 12;
Flow monitoring element 15 is by impeller 8, magnet piece 6, pcb board 12, Hall element 13, form water receiving pipe 4, O type circle 5.
Preferably, impeller 8 is arranged in the space that upper cover 3 and lower cover 2 surround, magnet piece adopts combinatorial injection molding formula mode to be arranged on impeller 8, O type circle 5 is arranged between upper cover 3 and lower cover 2, and is positioned at the outside of impeller 8, and pcb board 12 is arranged in the space that surrounds between bottom 1 and lower cover 2, run through in the space that upper cover 3 and lower cover 2 surround to water receiving pipe 4, Hall element 13 welds with pcb board 12, and is fixed on outside bottom 1, and adopts glue bottom 1 and pcb board 12 to be fixed.
Preferably, upper cover 3 and the surrounding of lower cover 2 adopt six screws 9 to fix, and the shape after combination is hexagonal plum blossom-shaped.
Preferably, the centre of impeller 8 is run through by draw point 7 and is fixed on lower cover 2 and upper cover 3.
Preferably, pcb board 12 is connected with connector 11 by wire 10, and wire 10 adopts dark red yellow line.
Preferably, magnet piece 6 can arrange two or four.
Principle of work of the present utility model: the utility model is accessed inlet channel, two adopts standard 1/4 water pipe to access as to water receiving pipe 4, when current are by flowing into water receiving pipe 4, current impeller 8 and magnet piece 6 rotate, high electricity signal is frequently formed when the N of magnet piece 6 is extremely near Hall element, form low electricity frequency signal (magnet piece 6 is two or four when the S of magnet piece 6 is extremely near Hall element 13, and their bottom is respectively N pole and S pole, the N pole of two or four magnet piece 6 and S pole cross-distribution), due to the output of the utility model flow sensor height electricity frequency signal, gathered by board mainboard again, and the analysis of passing ratio relation mainboard to converse the outflow conduit water yield how many, and then precisely control the board outflow water yield, reach water yield standard.
The utility model flow sensor, major embodiment volume is little, start flow little, guaranteed flow frequency is accurate, the small household appliance fields such as some small-sized bottled water stations, coffee machine, water purifier can be widely used in, expand all applications of paddling further to, and then realize promoting quality, expand the object of range of application.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned embodiment and revise.Therefore, the utility model is not limited to above-mentioned embodiment, and any apparent improvement of every those skilled in the art done by basis of the present utility model, replacement or modification all belong to protection domain of the present utility model.In addition, although employ some specific terms in this instructions, these terms just for convenience of description, do not form any restriction to the utility model.

Claims (6)

1. a flow sensor, comprise housing and the flow monitoring element being positioned at enclosure interior, it is characterized in that: described housing is made up of upper cover, the bottom below upper cover and the lower cover between upper cover and bottom, described flow monitoring element is by impeller, magnet piece, pcb board, Hall element, form water receiving pipe, O type circle.
2. flow sensor according to claim 1, it is characterized in that: described impeller is arranged in the space that upper cover and lower cover surround, described magnet piece adopts combinatorial injection molding formula mode to be arranged on impeller, described O type circle is arranged between upper cover and lower cover, and be positioned at the outside of impeller, described pcb board is arranged in the space that surrounds between bottom and lower cover, describedly run through in the space that upper cover and lower cover surround to water receiving pipe, described Hall element welds with pcb board, and be fixed on outside bottom, and glue is adopted bottom and pcb board to be fixed.
3. flow sensor according to claim 1, is characterized in that: the surrounding of described upper cover and lower cover adopts six screws to fix, and the shape after combination is hexagonal plum blossom-shaped.
4. flow sensor according to claim 1, is characterized in that: the centre of described impeller by draw point run through be fixed on lower cover and on cover.
5. flow sensor according to claim 1, is characterized in that: described pcb board is connected with connector by wire.
6. flow sensor according to claim 2, is characterized in that: described magnet piece can arrange two or four.
CN201520466873.1U 2015-07-02 2015-07-02 Flow sensor Active CN204788509U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520466873.1U CN204788509U (en) 2015-07-02 2015-07-02 Flow sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520466873.1U CN204788509U (en) 2015-07-02 2015-07-02 Flow sensor

Publications (1)

Publication Number Publication Date
CN204788509U true CN204788509U (en) 2015-11-18

Family

ID=54528532

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520466873.1U Active CN204788509U (en) 2015-07-02 2015-07-02 Flow sensor

Country Status (1)

Country Link
CN (1) CN204788509U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105795834A (en) * 2016-05-02 2016-07-27 上海云饮信息科技有限公司 Water glass measuring water-drinking amount

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105795834A (en) * 2016-05-02 2016-07-27 上海云饮信息科技有限公司 Water glass measuring water-drinking amount

Similar Documents

Publication Publication Date Title
CN204788509U (en) Flow sensor
CN2893660Y (en) Controllable flow multifunction flow meter
CN201926468U (en) Magnetoelectric vortex shedding flow meter with detachable electrode and vortex generating body
CN203364895U (en) Full-measurement-range combined type gas flow meter
CN104990606A (en) Flow metering apparatus
CN103267317A (en) Energy-saving heat flow control system
CN203224507U (en) Water flow velocity measurer
CN205826054U (en) A kind of intelligent telemetering liquid seal photoelectric direct reading water meter
CN202255476U (en) Electromagnetic type vortex shedding flowmeter
CN204661463U (en) Portable pure water water replanishing device
CN204630627U (en) Reactor condensation flow self-operated measuring unit
CN103591992A (en) Pore plate mass flowmeter and installation method thereof
CN203657855U (en) Insertion-type ultrasonic water meter
CN202795575U (en) Separated type water control machine
TWM539981U (en) Intelligent monitoring device for entire household water quality and water consumption
CN204943890U (en) A kind of directly-heated type air-source heat pump hot water of real-time display aquifer yield
CN209089316U (en) A kind of water control machine waterproof casing
CN206990044U (en) A kind of vertical wired valve control water meter of teletransmission photo-electronic directly reading
CN202822914U (en) Filter
CN209639273U (en) A kind of gas-heating water heater gas consumption display system
CN207894480U (en) A kind of rotary drum liquid level capacity display device
CN104990598A (en) Flow meter structure facilitating improving measuring sensitivity
CN206772364U (en) A kind of water flow sensor
CN211179791U (en) Water quality monitoring device
CN201780128U (en) Novel integrated compound water meter

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant