CN215598473U

CN215598473U - Miniature flow sensor

Info

Publication number: CN215598473U
Application number: CN202122064475.5U
Authority: CN
Inventors: 林楚锦
Original assignee: Shenzhen Xingshicai Technology Co ltd
Current assignee: Shenzhen Jiufangxin Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-21
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a micro flow sensor which comprises a shell, wherein a fixing groove is fixedly connected inside the shell, a first opening is formed in the top of the shell and corresponds to the fixing groove, and a connecting pipe is fixedly connected to the first opening. According to the utility model, the mounting box is in threaded connection with the mounting shell, so that a person can conveniently assemble and disassemble the mounting box, the Hall device and the turbine can be maintained and replaced, the mounting shell can be effectively sealed to prevent water leakage, the waterproof effect is further improved through the waterproof sealing gasket, the impeller is driven to rotate through liquid to enable the micro-generator to generate electricity, the impact force of the liquid flowing to the impeller can be larger through the inclined plate to enable the rotating speed of the impeller to be larger, and the generating capacity of the micro-generator is improved.

Description

Miniature flow sensor

Technical Field

The utility model relates to the technical field of flow sensors, in particular to a miniature flow sensor.

Background

The flow sensor is a device capable of detecting the flow of fluid in a pipeline, is frequently used in a control system of a fluid machine, can be used for accumulating the total amount of the fluid after being combined with a proper mechanical device or an electrical device, and can also be used for detecting the instantaneous flow;

however, most of the existing flow sensors have large structures, and are inconvenient to install in a narrow space, and are inconvenient to maintain when in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a micro flow sensor.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a miniature flow sensor, includes the casing, the inside fixedly connected with fixed slot of casing, the top of casing just corresponds fixed slot department and is equipped with first opening, fixedly connected with connecting pipe on the first opening, the top fixedly connected with installation shell of connecting pipe, and the bottom of installation shell is equipped with the second opening the same with first opening size, the inside of installation shell is equipped with the screw thread, and the inside threaded connection of installation shell has the mounting box, the inside of mounting box is equipped with can respond to magnetic field variation's hall device and circuit board, the bottom of mounting box is rotated and is connected with the turbine, the inside at the fixed slot is established to the bottom of the connecting axle of turbine, with magnet on the turbine.

Further, the diameter of the connecting shaft of the turbine is the same as that of the fixing groove.

Furthermore, the top of the mounting box is fixedly connected with a knob.

Furthermore, the bottom of the mounting shell is fixedly connected with a waterproof sealing gasket.

Furthermore, both sides of the shell are respectively provided with a water inlet end and a water outlet end.

Furthermore, the top of casing just is close to a water outlet end department fixedly connected with microgenerator mutually, the inside of casing just corresponds microgenerator department and rotates and be connected with the impeller, and the connecting axle of impeller and microgenerator's drive end fixed connection.

Furthermore, two ends of the inner part of the shell are respectively and fixedly connected with inclined plates inclined towards the impeller.

Further, the bottom of mounting box is equipped with the recess, be equipped with the connecting plate in the recess, the outside fixedly connected with annular connecting piece of connecting plate, and the inside of recess just corresponds annular connecting piece department and is equipped with the mounting groove, and annular connecting piece and mounting groove rotate to be connected.

Furthermore, the top end of the connecting shaft of the turbine is fixedly connected with a mounting plate, and the mounting plate is connected with the connecting plate through screws.

Furthermore, install miniature battery on the casing, and miniature battery respectively with hall device and microgenerator electric connection.

The utility model has the beneficial effects that:

when the miniature flow sensor is used, the mounting box is in threaded connection with the mounting shell, so that a person can conveniently assemble and disassemble the mounting box to maintain and replace a Hall device and a turbine, the mounting shell can be effectively sealed to prevent water leakage, the waterproof effect is further improved through the waterproof sealing gasket, the impeller is driven to rotate through liquid to enable the miniature generator to generate electricity, the impact force of the liquid flowing to the impeller is larger through the inclined plate to enable the rotating speed of the impeller to be larger, and the generating capacity of the miniature generator is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view A of the internal structure of the housing according to the present invention;

FIG. 3 is a schematic view B of the internal structure of the housing according to the present invention;

fig. 4 is a schematic view of the connection of the turbine and the mounting box of the present invention.

Illustration of the drawings:

1. a housing; 2. fixing grooves; 3. a first opening; 4. mounting a shell; 5. mounting a box; 6. a Hall device; 7. a turbine; 8. a knob; 9. a waterproof gasket; 10. a water inlet end; 11. a water outlet end; 12. a micro-generator; 13. an impeller; 14. a sloping plate; 15. a groove; 16. a connecting plate; 17. a connecting member; 18. mounting grooves; 19. mounting a plate; 20. a second opening; 21. and (4) connecting the pipes.

Detailed Description

Fig. 1 to 4 show, relate to a miniature flow sensor, including casing 1, casing 1's inside fixedly connected with fixed slot 2, casing 1's top and correspond fixed slot 2 department and be equipped with first opening 3, fixedly connected with connecting pipe 21 on the first opening 3, the top fixedly connected with installation shell 4 of connecting pipe 21, and the bottom of installation shell 4 is equipped with the second opening 20 the same with first opening 3 size, the inside of installation shell 4 is equipped with the screw thread, and the inside threaded connection of installation shell 4 has mounting box 5, the inside of mounting box 5 is equipped with hall device 6 and the circuit board that can respond to magnetic field variation, the bottom of mounting box 5 is rotated and is connected with turbine 7, the bottom of the connecting axle of turbine 7 is established in the inside of fixed slot 2, there is magnet on the turbine 7.

When the micro flow sensor is used, the mounting box 5 is in threaded connection with the mounting shell 4 through the mounting box 5, the mounting box 5 is convenient for workers to assemble and disassemble, the Hall device 6 and the turbine 7 are maintained and replaced, the mounting shell 4 can be effectively sealed to prevent water leakage, the waterproof effect is further improved through the waterproof sealing gasket 9, the turbine 7 is driven to rotate by liquid, the magnetic field of the magnet is induced by the Hall device 6 through the magnet arranged on the turbine 7, the water flow is measured and calculated by sending a pulse signal to the control circuit board, the micro generator 12 can be used for generating electricity by driving the impeller 13 to rotate through the liquid, the impact force of the liquid flowing to the impeller 13 can be larger through the inclined plate 14, the rotating speed of the impeller 13 is larger, and the generating capacity of the micro generator 12 is improved.

In a further scheme, the diameter of the connecting shaft of the turbine 7 is the same as that of the fixing groove 2, and the position of the turbine 7 is fixed through the fixing groove 2.

In a further scheme, the top of the mounting box 5 is fixedly connected with a knob 8, and the knob 8 can help a person to rotate the mounting box 5.

In a further scheme, the bottom of the mounting shell 4 is fixedly connected with a waterproof sealing gasket 9, and the waterproof sealing gasket 9 further improves the waterproof effect.

In a further scheme, a water inlet end 10 and a water outlet end 11 are respectively arranged on two sides of the shell 1 and are connected with an external pipe body through the water inlet end 10 and the water outlet end 11.

In a further scheme, a micro generator 12 is fixedly connected to the top of the housing 1 and close to the water outlet end 11, an impeller 13 is rotatably connected to the inside of the housing 1 and corresponding to the micro generator 12, a connecting shaft of the impeller 13 is fixedly connected to the driving end of the micro generator 12, and the liquid drives the impeller 13 to rotate so as to enable the micro generator 12 to generate electricity.

In a further scheme, inclined plates 14 inclined towards the impeller 13 are fixedly connected to two ends in the shell 1 respectively, and the impact force of liquid flowing to the impeller 13 can be made larger through the inclined plates 14, so that the rotating speed of the impeller 13 is higher, and the power generation capacity of the micro-generator 12 is improved.

In the further scheme, the bottom of mounting box 5 is equipped with recess 15, is equipped with connecting plate 16 in the recess 15, and the outside fixedly connected with annular connecting piece 17 of connecting plate 16, and the inside of recess 15 just corresponds annular connecting piece 17 department and is equipped with mounting groove 18, and annular connecting piece 17 rotates with mounting groove 18 to be connected for rotate on connecting plate 16 and the mounting box 5.

In a further scheme, a mounting plate 19 is fixedly connected to the top end of a connecting shaft of the turbine 7, the mounting plate 19 is connected with the connecting plate 16 through screws, and the turbine 7 is connected with the connecting plate 16 through the screws so that a person can conveniently detach the turbine 7.

In a further scheme, a micro storage battery is mounted on the shell 1 and is electrically connected with the Hall device 6 and the micro generator 12 respectively, and the micro storage battery can absorb electric power generated by the micro generator 12 and supply power to the Hall device 6.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A micro flow sensor comprising a housing (1), characterized in that: a fixed groove (2) is fixedly connected inside the shell (1), a first opening (3) is arranged at the top of the shell (1) and corresponding to the fixed groove (2), a connecting pipe (21) is fixedly connected on the first opening (3), the top of the connecting pipe (21) is fixedly connected with a mounting shell (4), a second opening (20) with the same size as the first opening (3) is arranged at the bottom of the mounting shell (4), threads are arranged inside the mounting shell (4), and the inner part of the mounting shell (4) is connected with a mounting box (5) by screw thread, a Hall device (6) and a circuit board which can induce the change of the magnetic field are arranged in the mounting box (5), the bottom of the mounting box (5) is rotatably connected with a turbine (7), the bottom end of a connecting shaft of the turbine (7) is arranged in the fixing groove (2), and a magnet is attached to the turbine (7).

2. The micro flow sensor of claim 1, wherein: the diameter of the connecting shaft of the turbine (7) is the same as that of the fixing groove (2).

3. The micro flow sensor of claim 1, wherein: the top of the mounting box (5) is fixedly connected with a knob (8).

4. The micro flow sensor of claim 1, wherein: the bottom of the mounting shell (4) is fixedly connected with a waterproof sealing gasket (9).

5. The micro flow sensor of claim 1, wherein: and a water inlet end (10) and a water outlet end (11) are respectively arranged on two sides of the shell (1).

6. The micro flow sensor of claim 1, wherein: the top of casing (1) just is close to water outlet end (11) mutually and locates fixedly connected with microgenerator (12), the inside of casing (1) just corresponds microgenerator (12) and locates to rotate and be connected with impeller (13), and the connecting axle of impeller (13) and the drive end fixed connection of microgenerator (12).

7. The micro flow sensor of claim 1, wherein: two ends in the shell (1) are respectively and fixedly connected with inclined plates (14) inclined towards the impeller (13).

8. The micro flow sensor of claim 1, wherein: the bottom of mounting box (5) is equipped with recess (15), be equipped with connecting plate (16) in recess (15), the outside fixedly connected with annular connecting piece (17) of connecting plate (16), and the inside of recess (15) just corresponds annular connecting piece (17) department and is equipped with mounting groove (18), and annular connecting piece (17) and mounting groove (18) rotate to be connected.

9. The micro flow sensor of claim 1, wherein: the top end of the connecting shaft of the turbine (7) is fixedly connected with a mounting plate (19), and the mounting plate (19) is connected with the connecting plate (16) through screws.

10. The micro flow sensor of claim 1, wherein: the miniature storage battery is mounted on the shell (1) and is electrically connected with the Hall device (6) and the miniature generator (12) respectively.