CN109470326B

CN109470326B - Flowmeter structure

Info

Publication number: CN109470326B
Application number: CN201811316050.5A
Authority: CN
Inventors: 毛华庆; 朱丽
Original assignee: Wenzhou University Oujiang College
Current assignee: Nexon Electronics Inc; Wenzhou University of Technology
Priority date: 2018-11-06
Filing date: 2018-11-06
Publication date: 2020-07-31
Anticipated expiration: 2038-11-06
Also published as: CN109470326A

Abstract

The invention discloses a flowmeter structure, which comprises a circulation pipeline and a controller arranged on the circulation pipeline, wherein a flow velocity detection device is arranged in the circulation pipeline and is coupled with the controller, a placing seat is arranged on the circulation pipeline, a placing groove for embedding the controller is formed in one side, back to the circulation pipeline, of the placing seat, a magnet is arranged at the bottom of the placing groove, an electromagnet is arranged in the controller, a trigger switch is arranged on the controller, and the trigger switch and the electromagnet are both coupled with the controller. According to the flowmeter structure, the placing groove is arranged, a placing position can be effectively provided for the controller, then the electromagnet, the trigger switch and the magnet are arranged, so that the controller can be well arranged in the placing groove, and when the controller needs to be taken out for checking, only the trigger switch needs to be triggered.

Description

Flowmeter structure

Technical Field

The invention relates to a flowmeter, in particular to a flowmeter structure.

Background

The flowmeter is a device widely used in the prior art, and is mainly used for rapidly measuring the volume of liquid in a short time, for example, a gas station in the prior art realizes the measurement of the volume of the oil in the refueling process by setting the flowmeter, so that the real-time charging in the refueling process is realized.

The existing flowmeters have various structures, such as differential pressure flowmeters, rotor flowmeters, throttling flowmeters, slit flowmeters, volumetric flowmeters, electromagnetic flowmeters, ultrasonic flowmeters, turbine flowmeters, vortex shedding flowmeters and the like, and basically adopt a mode of mutually combining a controller and a flow velocity detection device to realize the detection of flow, but the existing controllers and the flow velocity detection devices adopt a fixed connection mode, so that the problem of difficulty in reading data exists when the flowmeters are installed in remote places.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a flowmeter structure with convenient data reading.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a flowmeter structure, includes circulation pipeline and the controller of setting on circulation pipeline, be equipped with velocity of flow detection device in the circulation pipeline, velocity of flow detection device is coupled with the controller to in input velocity of flow data to the controller, the controller calculates out the flow according to velocity of flow data, be equipped with the seat of placing on the circulation pipeline, place the seat and offer the standing groove that supplies the controller embedding in one side of circulation pipeline dorsad, the tank bottom of standing groove is equipped with magnet, be equipped with the electro-magnet in the controller, be equipped with trigger switch on the controller, trigger switch and electro-magnet all are coupled with the controller, and when the controller was placed in the standing groove, electro-magnet and magnet inter attraction fixed to fix the controller, when trigger switch was triggered, electro-magnet and magnet mutual repulsion, pop out the controller from the standing groove.

As a further improvement of the invention, the flow rate detection device comprises a target ball, a launching device and a sensing device, wherein the launching device and the sensing device are oppositely arranged on the pipe wall of the flow pipeline, the target ball is arranged in the launching device, the sensing device is coupled with the controller, when the flow rate is detected, the launching device launches the target ball onto the sensing device, and the sensing device senses the target ball and then outputs flow rate data to the controller.

As a further improvement of the invention, the launching device comprises a launching pipeline and a launching mechanism arranged in the launching pipeline, wherein one end of the launching pipeline is arranged in a closed mode, the other end of the launching pipeline is fixed on the pipe wall of the circulating pipeline and is communicated with the inside of the circulating pipeline, and the launching mechanism launches the target ball from the inside of the launching pipeline into the inside of the circulating pipeline during launching.

As a further improvement of the invention, the launching mechanism comprises a reset motor fixed on the end part of the closed end of the launching pipeline and an elastic launching membrane covered on the end surface of the open end of the launching pipeline, a reset rope is wound on the rotating shaft of the reset motor, one end of the reset rope is fixed on the rotating shaft of the reset motor, and the other end of the reset rope is connected to the elastic launching membrane and fixedly connected with the target ball by penetrating through the elastic launching membrane.

As a further improvement of the present invention, the sensing device includes a pressure sensing strip, the pressure sensing strip is attached and fixed on the inner wall of the flow conduit and coupled to the controller, the pressure sensing strip extends along the length direction of the flow conduit, the pressure sensing strip is arranged opposite to the launching conduit, when the target ball is hit on the pressure sensing strip, the pressure sensing strip outputs the position signal of the target ball to the controller, so that the controller can calculate the current flow rate.

As a further improvement of the present invention, the pressure sensing strip includes a base strip and a sensing strip, the base strip is attached to and fixed on an inner wall of the circulation pipe, the sensing strip is attached to and fixed on the base strip, the sensing strip includes a plurality of buttons which are coupled to the controller by passing through the base strip and a pipe wall of the circulation pipe through wires, one end of the base strip facing the sensing strip is provided with a strip-shaped groove, the plurality of buttons are arranged in the groove and arranged in a row along a length direction of the groove to form a sensing strip structure, when the target ball is launched onto the sensing strip, the target ball extrudes the buttons, and the buttons output signals to the controller.

The flow meter has the advantages that the flow pipe, the controller and the flow speed detection device can be effectively combined into a flow meter structure, the placing groove on the flow pipe can be well provided for the controller to be placed in space, the controller can be effectively and correspondingly mounted on the corresponding flow meter in the use process of the flow meter, the controller can be effectively fixed in the placing groove when the controller is not used through the arrangement of the magnet in the placing groove and the electromagnet on the controller, and the controller can be conveniently taken out only by triggering the trigger switch to enable the electromagnet to generate magnetic force to tilt the controller when the controller needs to be taken out for observation.

Drawings

Fig. 1 is an overall structural view of a flow meter structure of the present invention.

Detailed Description

The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.

Referring to fig. 1, the flowmeter structure of this embodiment includes a flow pipe 1 and a controller 2 disposed on the flow pipe 1, a flow rate detection device 3 is disposed in the flow pipe 1, the flow rate detection device 3 is coupled to the controller 2 to input flow rate data into the controller 2, the controller 2 calculates a flow rate according to the flow rate data, a placement seat 11 is disposed on the flow pipe 1, a placement groove 111 for embedding the controller 2 is disposed on a side of the placement seat 11 facing away from the flow pipe 1, a magnet 112 is disposed on a bottom of the placement groove 111, an electromagnet 21 is disposed in the controller 2, a trigger switch 22 is disposed on the controller 2, the trigger switch 22 and the electromagnet 21 are both coupled to the controller 2, when the controller 2 is disposed in the placement groove 111, the electromagnet 21 and the magnet 112 attract each other to fix the controller 2, when the trigger switch 22 is triggered, the electromagnet 21 and the magnet 112 repel each other to eject the controller 2 from the placement groove 111, in the process of using the flow meter structure of the present embodiment, only the flow pipe 1 with the controller 2 is required to be installed at the corresponding position, and when the controller 2 is required to be taken out from the flow pipe 1, only the trigger switch 22 is required to be triggered by hand, so the trigger switch 22 is powered on to the electromagnet 21, the electromagnet 21 generates the same magnetism as the magnet 112, so the controller 2 is ejected from the placement groove 111 by using the principle of magnetic repulsion, so that a person can conveniently take the controller 2 out of the placement groove 111 to observe, and because the existing electromagnet structure is generally provided with an iron core therein, when the electromagnet 21 is not powered on, the fixed connection between the controller 2 and the placement groove 111 is maintained by the way of attracting the iron core by the magnet, compare like this and adopt the mode that controller and circulation pipeline are fixed among the prior art, alright realize one when needs closely observe that effectual controller 2 from standing groove 111 perk makes controller 2 can effectually be taken by the people and has looked over through the mode that triggers trigger switch 22.

As a modified specific embodiment, the flow rate detection device 3 includes a target ball 33, a launching device 31 and a sensing device 32, the target ball 33 is disposed on the pipe wall of the flow pipe 1, the sensing device 32 is coupled to the controller 2, when the flow rate is detected, the launching device 31 launches the target ball 33 onto the sensing device 32, the sensing device 32 senses the target ball 33 and outputs flow rate data to the controller 2, in the process of using the flow meter of the present embodiment, the flow pipe 1 is firstly connected to the liquid pipe requiring flow rate measurement, and then the controller 2, the launching device 31 and the sensing device 32 are powered, so that in the process of detection, the target ball 33 in the launching device 31 is launched out, the target ball 33 can pass through the liquid to reach the sensing device 32, and due to the existence of the liquid flow rate, the position where the target ball 33 reaches the sensing device 32 is deviated from the position where no liquid flow rate exists, so that the acceleration of the target ball 33 can be effectively and equivalently calculated by calculating the deviation, the impact force of the liquid on the target ball 33 is further calculated by the acceleration, and further, the flow rate of the liquid can be effectively calculated according to the relation between the liquid flow rate and the impact force, so compared with the flow meter in the prior art, the liquid does not need to be limited into conductive liquid, the problem that a fixed obstacle obstructs the liquid flow does not exist, and meanwhile, the target ball 33 is not easily influenced by tiny particles in the liquid in the moving process.

As an improved specific embodiment, the launching device 31 includes a launching tube 311 and a launching mechanism 312 disposed in the launching tube 311, the launching tube 311 is disposed with one end closed, and the other end fixed on the tube wall of the flow tube 1 and communicated with the inside of the flow tube 1, when launching, the launching mechanism 312 launches the target ball 33 from the launching tube 311 into the flow tube 1, and through the disposition of the launching tube 311, a launching guiding structure can be effectively provided for the target ball 33, so as to ensure the speed and direction of the target ball 33 entering the flow tube 1 to be stable, thus further increasing the precision of liquid flow rate detection.

As a modified embodiment, the launching mechanism 312 includes a reset motor 3122 fixed on the end of the closed end of the launching tube 311 and an elastic launching membrane 3121 covering the end face of the open end of the launching tube 311, a reset string is wound around the rotating shaft of the reset motor 3122, one end of the reset string is fixed on the rotating shaft of the reset motor 3122, the other end of the reset string is connected to the elastic launching membrane 3121 and fixedly connected to the target ball 33 through the elastic launching membrane 3121, during the standby of the launching mechanism 312, the rotating shaft of the reset motor 3122 winds the reset string, pulls the target ball 33 towards the reset motor 3122 and to the longest position, therefore, the target ball 33 also pulls the elastic launching membrane 3121, so the elastic launching membrane 3121 will deform and accumulate the elastic force, and when the target ball 33 is launched, only the rotating shaft of the reset motor 3122 needs to rotate reversely, the reset rope is continuously loosened, so that the target ball 33 enters the circulation pipe 1 under the action of the elastic force of the elastic launching membrane 3121, because the elastic launching membrane 3121 is covered on the end surface of the opening end of the launching pipe 311, when the elastic launching membrane 3121 is reset to the original state, the target ball 33 just reaches the outlet of the launching pipe 311, so that the target ball 33 obtains an initial speed, because the reset rope and the elastic launching membrane 3121 in the embodiment are not fixed, but only pass through, so that the reset rope and the elastic launching membrane 3121 can slide, so that the target ball 33 continues to move towards the sensing device 32 under the action of inertia, so that an launching effect is effectively realized, and the target ball 33 is pulled to reset through the effect of the rotation shaft rotation of the reset motor 3122, so that the effect of multiple detections is realized, and the detection precision is further increased, the rotation speed of the reset motor 3122 in this embodiment may be set to be gradually accelerated, and the accelerated acceleration is slightly larger than the accelerated acceleration of the target ball 33 generated by the elastic launching membrane 3121, so that the problem that the target ball 33 is pulled by the reset string during launching and the problem that the reset string is reversely wound due to the too fast rotation of the reset motor 3122 can be avoided.

As an improved specific embodiment, the sensing device 32 includes a pressure sensing strip 321, the pressure sensing strip 321 is attached and fixed on the inner wall of the flow channel 1, and is coupled to the controller 2, the pressure sensing strip 321 extends along the length direction of the flow channel 1, the pressure sensing strip 321 is disposed opposite to the launching channel 311, when the target ball 33 is hit on the pressure sensing strip 321, the pressure sensing strip 321 outputs a position signal of the target ball 33 to the controller 2, so that the controller 2 calculates the current flow rate, by the arrangement of the pressure sensing strip 321, it can be effectively realized that when the target ball 33 reaches the pressure sensing strip 321, the current hit position of the target ball 33 is effectively detected, so that the controller 2 can effectively calculate the current flow rate, since the target ball 33 has a certain impact force when reaching the pressure sensing strip 321, so that the pressure sensing strip 321 can effectively determine the hit position of the target ball 33, compared with the prior art in which an electric induction detection mode is adopted, the detection device is not influenced by the conductive liquid.

As an improved specific embodiment, the pressure sensing bar 321 includes a base bar 3211 and an induction bar 3212, the base bar 3211 is attached to the inner wall of the flow channel 1, the induction bar 3212 is attached to the base bar 3211, the induction bar 3212 includes a plurality of buttons, each of which is coupled to the controller 2 through a wire passing through the base bar 3211 and the wall of the flow channel 1, one end of the base bar 3211 facing the induction bar 3212 is provided with a strip-shaped groove, the plurality of buttons are disposed in the groove and arranged in a row along the length direction of the groove to form an induction bar 3212 structure, when the target ball 33 is launched onto the induction bar 3212, the target ball 33 presses the buttons, the buttons output signals to the controller 2, and by the arrangement of the plurality of buttons, when the target ball 33 reaches the pressure sensing bar 321, the buttons are pressed down due to the impact force of the target ball 33, therefore, the controller 2 in this embodiment may store distance values corresponding to the buttons one by one, that is, when which button is pressed, it is determined that the deviation distance of the target ball 33 is the distance value corresponding to the button, and when two or more buttons are pressed, the distance value of the pressed button is extracted, and then an average is calculated as the deviation distance of the target ball 33, so that the button is set sufficiently in this embodiment, the corresponding accuracy is higher, the effect of detecting the position where the target ball 33 arrives is well achieved, and only the average needs to be calculated in the detection calculation process, so the calculation process is simple and convenient, the complexity of the calculation algorithm is greatly reduced, and the calculation speed of the controller 2 is increased.

In conclusion, the flowmeter structure of this embodiment, through standing groove 111, trigger switch 22 and electro-magnet 21 and magnet 112's mating reaction, alright one effectual realization utilizes magnetic force fixed when controller 2 need not take, when controller 2 needs to take, utilizes magnetic force to pop out controller 2, and then realizes making things convenient for controller 2 to take the effect of looking over.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. A flowmeter structure, including circulation pipeline (1) and setting up controller (2) on circulation pipeline (1), be equipped with velocity of flow detection device (3) in circulation pipeline (1), velocity of flow detection device (3) and controller (2) are coupled to in input velocity of flow data to controller (2), controller (2) according to velocity of flow data calculation flow, its characterized in that: the circulation pipeline is characterized in that a placing seat (11) is arranged on the circulation pipeline (1), a placing groove (111) for embedding the controller (2) is formed in one side, back to the circulation pipeline (1), of the placing seat (11), a magnet (112) is arranged at the bottom of the placing groove (111), an electromagnet (21) is arranged in the controller (2), a trigger switch (22) is arranged on the controller (2), the trigger switch (22) and the electromagnet (21) are both coupled with the controller (2), when the controller (2) is placed in the placing groove (111), the electromagnet (21) and the magnet (112) are mutually attracted to fix the controller (2), and when the trigger switch (22) is triggered, the electromagnet (21) and the magnet (112) are mutually repelled to eject the controller (2) from the placing groove (111);

the flow velocity detection device (3) comprises a target ball (33), a transmitting device (31) and a sensing device (32), wherein the transmitting device (31) and the sensing device (32) are oppositely arranged on the pipe wall of the flow pipeline (1), the target ball (33) is arranged in the transmitting device (31), the sensing device (32) is coupled with the controller (2), when the flow is detected, the transmitting device (31) transmits the target ball (33) to the sensing device (32), and the sensing device (32) senses the target ball (33) and then outputs flow velocity data to the controller (2).

2. The flowmeter structure of claim 1, wherein: the launching device (31) comprises a launching pipeline (311) and a launching mechanism (312) arranged in the launching pipeline (311), one end of the launching pipeline (311) is arranged in a closed mode, the other end of the launching pipeline (311) is fixed on the pipe wall of the circulating pipeline (1) and communicated with the inside of the circulating pipeline (1), and during launching, the target ball (33) is launched into the circulating pipeline (1) from the launching pipeline (311) by the launching mechanism (312).

3. The flowmeter structure of claim 2, wherein: the launching mechanism (312) comprises a reset motor (3122) fixed on the end part of the closed end of the launching pipeline (311) and an elastic launching film (3121) covered on the end surface of the open end of the launching pipeline (311), a reset rope is wound on the rotating shaft of the reset motor (3122), one end of the reset rope is fixed on the rotating shaft of the reset motor (3122), the other end of the reset rope is connected to the elastic launching film (3121), and the reset rope penetrates through the elastic launching film (3121) and is fixedly connected with the target ball (33).

4. The flowmeter structure of claim 3, wherein: the sensing device (32) comprises a pressure sensing strip (321), the pressure sensing strip (321) is attached and fixed on the inner wall of the flow pipeline (1) and coupled with the controller (2), the pressure sensing strip (321) extends along the length direction of the flow pipeline (1), the pressure sensing strip (321) is arranged opposite to the launching pipeline (311), and when the target ball (33) is hit on the pressure sensing strip (321), the pressure sensing strip (321) outputs a position signal of the target ball (33) to the controller (2) so that the controller (2) can calculate the current flow rate.

5. The flowmeter structure of claim 4, wherein: pressure-sensitive strip (321) include base strip (3211) and response strip (3212), base strip (3211) laminating is fixed on the inner wall of circulation pipeline (1), response strip (3212) stack is attached to be fixed on base strip (3211), response strip (3212) include that a plurality of all passes the pipe wall of base strip (3211) and circulation pipeline (1) and controller (2) coupled button through the wire, base strip (3211) have been seted up towards the one end of response strip (3212) and have been long banding recess, a plurality of the button all sets up in the recess to arrange into one row along the length direction of recess and constitute response strip (3212) structure, when target ball (33) launch to response strip (3212) on, target ball (33) extrusion button, button output signal is to in controller (2).