CN212378806U

CN212378806U - Flow measuring device

Info

Publication number: CN212378806U
Application number: CN202021173435.3U
Authority: CN
Inventors: 徐蠡
Original assignee: Wuxi Qiuxin Flowmeter Co ltd
Current assignee: Wuxi Qiuxin Flowmeter Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-01-19
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a flow measuring device, concretely relates to flow measurement field, including unable adjustment base and measurement box body, the feed liquor mouth of pipe and the play liquid mouth of pipe have been seted up respectively to the both sides of measurement box body, and the inside fixed mounting of measurement box body has rotating stator, and rotating bearing and swivel seat have been cup jointed in rotating stator's the outside, and the portion of support is installed in the outside of swivel seat, and the feed liquor mouth of pipe has the drain hose with a play liquid orificial end connection, and the inboard of swivel seat is installed and is triggered the arch, and inboard response electrode is installed in rotating stator's the outside, and the tip electricity of response electrode is connected. The utility model discloses a set up the drain hose and support the splenium structure, utilize the liquid stream to promote at the inside flow of drain hose and support the splenium and rotate, thereby count the measurement liquid flow through the number of turns of rotating, compare in traditional metering device simple structure stability height, installation easy maintenance and commonality are good, the market of being convenient for popularizes and promotes.

Description

Flow measuring device

Technical Field

The utility model relates to a flow measurement technical field, more specifically says, the utility model specifically is a flow measurement device.

Background

The liquid flow measurement is widely applied to the fields of chemical engineering, medical treatment, power machinery and the like, a large amount of make-up water is needed in the production process of industrial circulating water, the quantity of the make-up water must be measured and counted for making process control, the method for measuring the quantity of the make-up water mainly comprises the step of installing a flowmeter on a make-up water pipeline, and the currently used flowmeters mainly comprise a speed type flowmeter, an electromagnetic flowmeter, an ultrasonic flowmeter and the like.

The velocity flowmeter is the earliest developed flow measuring instrument, which uses the flow velocity of fluid in a direct measurement pipeline as the basis of flow measurement, such as a common water meter and a novel LTD type universal electronic flowmeter, but the measurement accuracy in dirty fluid is not high; the electromagnetic flowmeter has a complex structure, is expensive and is easily influenced by an external electromagnetic field, the vortex flowmeter realizes digital measurement by using the principle of 'Karman vortex street', but the vortex is stained to bring a great error to a measurement result, and is difficult to use in large-diameter and multi-impurity pipeline fluid; in addition, the ultrasonic flowmeter has the characteristics of convenience in installation and maintenance, good universality and the like, but the application occasions are limited due to the fact that the ultrasonic flowmeter is sensitive to floating impurities, is easy to interfere, has blind areas in measurement and the like.

It is therefore desirable to provide a new flow measurement device.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a flow measuring device, through setting up drain hose and support pressing part structure, utilize the liquid stream to promote the support pressing part at the inside flow of drain hose and rotate, thereby measure liquid flow through counting the number of turns, compare in traditional metering device simple structure stability height, and utilize induction electrode and count sensor as the electronic measurement structure of the inside circulation flow of drain hose, wide to external environment's application scope, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a flow measuring device comprises a fixed base and a measuring box body, wherein the bottom surface of the measuring box body is fixedly connected with the top end of the fixed base, a liquid inlet pipe orifice and a liquid outlet pipe orifice are respectively arranged at two sides of the metering box body, a rotating stator is fixedly arranged in the metering box body, the outer side of the rotating stator is fixedly sleeved with a rotating bearing, the outer side of the rotating bearing is fixedly sleeved with a rotating ring seat, the outer side of the rotary ring seat is fixedly provided with a pressing part, the end parts of the liquid inlet pipe orifice and the liquid outlet pipe orifice are fixedly connected with a liquid guide hose positioned in the metering box body, a sleeve cavity is arranged at the inner side of the rotary ring seat and the outer side of the rotary stator, a trigger bulge positioned at the inner side of the sleeve cavity is fixedly arranged at the inner side of the rotary ring seat, the outside fixed mounting of rotatory stator has the induction electrode that is located the inboard of cup joint cavity, induction electrode's tip electricity is connected with the count sensor.

In a preferred embodiment, the number of the pressing parts is multiple and the pressing parts are circumferentially distributed on the outer side of the rotating ring seat, the other end of the pressing part is abutted against the inner side of the liquid guiding hose, and the rotating ring seat is rotatably sleeved on the outer side of the rotating stator through the rotating bearing.

In a preferred embodiment, the pressing portion includes a connecting rod and a pressing circular block, two ends of the connecting rod are respectively and fixedly connected with the outer side of the rotating ring seat and one side of the pressing circular block, the surface of the pressing circular block is a smooth surface structure, and the liquid guiding hose is a rubber or latex hose structure.

In a preferred embodiment, the surface of the abutting round block is provided with a releasing inclined plane, the direction of the inclined plane of the releasing inclined plane is opposite to the arrangement direction of the liquid inlet pipe orifice and the liquid outlet pipe orifice, and the distance between the peripheral side of the abutting round block and the inner side of the metering box body is less than twice of the pipe wall thickness of the liquid guiding hose.

In a preferred embodiment, the sum of the lengths of the trigger protrusion and the induction electrode is greater than the distance between the outer side of the rotating stator and the inner side of the rotating ring seat, the end of the trigger protrusion is of a smooth blunt structure, and the induction electrode is elastic.

In a preferred embodiment, the number of the induction electrodes is two and is symmetrically distributed in the outer side of the rotating stator, the length of the liquid guiding hose is equal to the length of a half arc of the circumference of the inner side of the metering box body, and the liquid inlet pipe orifice and the liquid outlet pipe orifice are symmetrically distributed in two sides of the metering box body.

In a preferred embodiment, the sensing electrode is composed of two metal elastic sheets, metal contacts are fixedly mounted on the inner sides of the metal elastic sheets, the metal elastic sheets are respectively electrically connected with two ends of the input end of the counting sensor, and the output end of the counting sensor is electrically connected with the controller.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up drain hose and support the splenium structure, utilize the flow of liquid stream in the drain hose inside to promote the support the splenium and rotate, count through the number of turns of turning thereby measure the liquid flow, compare in traditional metering device simple structure stability height, installation easy maintenance and commonality are good, are convenient for market popularization and popularization;

2. the utility model discloses an utilize inductive electrode and count sensor as the electronic measurement structure of the inside circulation flow of drain hose, wide to external environment's application scope, not influenced by external magnetic field high temperature and water liquid impurity etc. can effectively guarantee the stability of flow measurement, the accuracy is high.

Drawings

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

Fig. 2 is a schematic view of the internal structure of the metering box of the present invention.

Fig. 3 is the schematic view of the installation structure of the pressing part of the present invention.

Fig. 4 is a schematic structural diagram of a position a in fig. 2 according to the present invention.

Fig. 5 is a schematic view of the internal structure of the rotating ring seat of the present invention.

The reference signs are: 1. a fixed base; 2. a metering box body; 21. a liquid inlet pipe orifice; 22. a liquid outlet pipe orifice; 3. a counting sensor; 4. a rotating stator; 41. a rotating bearing; 5. a liquid guiding hose; 6. a rotating ring seat; 61. a sleeving cavity; 62. a trigger protrusion; 7. a pressing part; 8. an induction electrode; 71. a connecting rod; 72. pressing the round block; 73. a releasing inclined plane.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The flow measuring device shown in the attached figures 1-5 comprises a fixed base 1 and a measuring box body 2, wherein the bottom surface of the measuring box body 2 is fixedly connected with the top end of the fixed base 1, the two sides of the measuring box body 2 are respectively provided with a liquid inlet pipe orifice 21 and a liquid outlet pipe orifice 22, the measuring box body 2 is internally and fixedly provided with a rotating stator 4, the outer side of the rotating stator 4 is fixedly sleeved with a rotating bearing 41, the outer side of the rotating bearing 41 is fixedly sleeved with a rotating ring seat 6, the outer side of the rotating ring seat 6 is fixedly provided with a pressing part 7, the end parts of the liquid inlet pipe orifice 21 and the liquid outlet pipe orifice 22 are fixedly connected with a liquid guide hose 5 positioned in the measuring box body 2, the inner side of the rotating ring seat 6 and the outer side of the rotating stator 4 are provided with a sleeved cavity 61, the inner side of the rotating ring seat 6 is fixedly provided with a trigger bulge 62 positioned in, the end of the induction electrode 8 is electrically connected with the counting sensor 3.

The implementation mode is specifically as follows: through the arrangement of the liquid guide hose 5 and the abutting portion 7, the abutting portion 7 is pushed to rotate by the flow of liquid flow in the liquid guide hose 5, and the liquid flow is measured by counting the number of rotating turns, so that compared with the traditional measuring device, the liquid flow measuring device is simple in structure, high in stability, convenient to install and maintain, good in universality and convenient to popularize and popularize in the market; additionally, the utility model discloses an utilize inductive electrode 8 and count sensor 3 as the electronic measurement structure of the inside circulation flow of drain hose, wide to external environment's application scope, do not receive influences such as external magnetic field high temperature and water liquid impurity, can effectively guarantee the stability of flow measurement, the accuracy is high.

Referring to the attached drawing 2 in the specification, the number of the pressing portions 7 is multiple and is circumferentially distributed on the outer side of the rotary ring seat 6, the other end of the pressing portion 7 is abutted against the inner side of the fluid guiding hose 5, and the rotary ring seat 6 is rotatably sleeved on the outer side of the rotary stator 4 through the rotary bearing 41 and is used for pressing the fluid guiding hose 5, so that the fluid guiding hose 5 is in a closed state.

Referring to the attached drawing 3 of the specification, the pressing portion 7 includes a connecting rod 71 and a pressing circular block 72, two ends of the connecting rod 71 are respectively and fixedly connected with the outer side of the rotating ring seat 6 and one side of the pressing circular block 72, the surface of the pressing circular block 72 is a smooth surface structure, the liquid guiding hose 5 is a rubber or latex hose structure, and the liquid guiding hose 5 is expanded by liquid flow to push the pressing portion 7 to move and rotate.

Referring to the attached drawing 3 in the specification, the surface of the abutting circular block 72 is provided with a discharging inclined plane 73, the direction of the inclined plane of the discharging inclined plane 73 is opposite to the arrangement direction of the liquid inlet pipe orifice 21 and the liquid outlet pipe orifice 22, the distance between the peripheral side of the abutting circular block 72 and the inner side of the metering box body 2 is less than twice of the pipe wall thickness of the liquid guiding hose 5, and the force of expansion of the liquid guiding hose 5 is converted into the rotation mechanical energy of the abutting part 7 through the discharging inclined plane 73.

Referring to the description and the attached fig. 5, the sum of the lengths of the trigger protrusion 62 and the sensing electrode 8 is greater than the distance between the outer side of the rotating stator 4 and the inner side of the rotating ring seat 6, the end of the trigger protrusion 62 is of a smooth blunt structure, and the sensing electrode 8 has elasticity and is used for counting the number of rotation turns of the rotating ring seat 6.

Referring to the attached

drawings

2 and 5 in the specification, the number of the induction electrodes 8 is two and is symmetrically distributed at the outer side of the rotating stator 4, the length of the liquid guide hose 5 is equal to the length of a half arc of the circumference of the inner side of the metering box body 2, the liquid inlet pipe orifice 21 and the liquid outlet pipe orifice 22 are symmetrically distributed at two sides of the metering box body 2, and the flow can be calculated through the triggering times of the induction electrodes 8 and the volume of the liquid guide hose 5.

Referring to the attached figure 5 of the specification, the sensing electrode 8 is composed of two metal elastic sheets, metal contacts are fixedly installed on the inner sides of the metal elastic sheets, the metal elastic sheets are respectively electrically connected with two ends of the input end of the counting sensor 3, and the output end of the counting sensor 3 is electrically connected with a controller for automatic counting.

Wherein, the signal of the counting sensor 3 is EE-SX670 type, and the model of the controller is DH48S-S type.

The utility model discloses the theory of operation:

the first step is as follows: the two ends of a liquid inlet pipe orifice 21 and a liquid outlet pipe orifice 22 of the metering device are connected into a liquid circulation pipeline, and an output circuit of a counting sensor 3 is connected with a circuit of a controller;

the second step is that: when liquid flow enters the interior of the liquid guide hose 5 through the liquid inlet pipe orifice 21, the liquid guide hose 5 expands and swells after the liquid flow enters the interior of the liquid guide hose 5, the pressing round block 72 is pushed to move forwards through the releasing inclined plane 73, the pressing part 7 and the rotary ring seat 6 rotate around the surface of the rotary bearing 41, and then the liquid flow escapes through the liquid outlet pipe orifice 22, meanwhile, the pressing round block 72 on the other side of the rotary ring seat 6 is driven to abut against the surface of the liquid guide hose 5, so that the interior of the liquid guide hose 5 is closed, and the liquid flow pushes the rotary ring seat to move forwards under the expansion of the liquid flow and sequentially circulates, so that the rotary ring seat 6 continuously rotates;

the third step: in the process of rotating the rotary ring seat 6, the trigger bulge 62 on the inner side of the rotary ring seat 6 is in contact with the meter of the induction electrode 8, two stages of the induction electrode 8 are pushed to be in contact, a trigger electric signal is transmitted to the counting sensor 3 to be counted under the contact of the induction electrode 8, and then the counting frequency and the volume of the liquid guide hose 5 are multiplied by the controller to obtain a flow value.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a flow measuring device, includes unable adjustment base (1) and measurement box body (2), the bottom surface of measurement box body (2) and the top fixed connection of unable adjustment base (1), the feed liquor mouth of pipe (21) and play liquid mouth of pipe (22), its characterized in that have been seted up respectively to the both sides of measurement box body (2): a rotating stator (4) is fixedly arranged in the metering box body (2), a rotating bearing (41) is fixedly sleeved on the outer side of the rotating stator (4), a rotating ring seat (6) is fixedly sleeved on the outer side of the rotating bearing (41), a pressing part (7) is fixedly arranged on the outer side of the rotating ring seat (6), the end parts of the liquid inlet pipe orifice (21) and the liquid outlet pipe orifice (22) are fixedly connected with a liquid guide hose (5) positioned in the metering box body (2), the inner side of the rotary ring seat (6) and the outer side of the rotary stator (4) are provided with a sleeving cavity (61), a trigger bulge (62) positioned at the inner side of the sleeving cavity (61) is fixedly arranged at the inner side of the rotating ring seat (6), an induction electrode (8) positioned at the inner side of the sleeving cavity (61) is fixedly arranged at the outer side of the rotating stator (4), the end part of the induction electrode (8) is electrically connected with a counting sensor (3).

2. A flow measuring device according to claim 1, characterized in that: the number of the pressing parts (7) is multiple and is circumferentially distributed on the outer side of the rotary ring seat (6), the other end of the pressing part (7) is mutually abutted with the inner side of the liquid guide hose (5), and the rotary ring seat (6) is rotatably sleeved on the outer side of the rotary stator (4) through a rotary bearing (41).

3. A flow measuring device according to claim 1, characterized in that: the pressing part (7) comprises a connecting rod (71) and a pressing round block (72), two ends of the connecting rod (71) are fixedly connected with the outer side of the rotating ring seat (6) and one side of the pressing round block (72) respectively, the surface of the pressing round block (72) is of a smooth surface structure, and the liquid guide hose (5) is of a rubber or latex hose structure.

4. A flow measuring device according to claim 3, characterized in that: the surface of the abutting circular block (72) is provided with a releasing inclined plane (73), the inclined plane direction of the releasing inclined plane (73) is opposite to the arrangement direction of the liquid inlet pipe orifice (21) and the liquid outlet pipe orifice (22), and the distance between the peripheral side of the abutting circular block (72) and the inner side of the metering box body (2) is less than twice of the pipe wall thickness of the liquid guide hose (5).

5. A flow measuring device according to claim 1, characterized in that: the sum of the lengths of the trigger bulge (62) and the induction electrode (8) is larger than the distance between the outer side of the rotating stator (4) and the inner side of the rotating ring seat (6), the end part of the trigger bulge (62) is of a smooth blunt structure, and the induction electrode (8) has elasticity.

6. A flow measuring device according to claim 1, characterized in that: the quantity of induction electrode (8) is two and is symmetric distribution in the outside of rotating stator (4), the length of drain hose (5) equals the half arc length of circumference of measurement box body (2) inboard, feed liquor mouth of pipe (21) and play liquid mouth of pipe (22) are symmetric distribution in the both sides of measurement box body (2).

7. A flow measuring device according to claim 1, characterized in that: the induction electrode (8) is composed of two metal elastic sheets, metal contacts are fixedly mounted on the inner sides of the metal elastic sheets, the metal elastic sheets are respectively electrically connected with two ends of the input end of the counting sensor (3), and the output end of the counting sensor (3) is electrically connected with a controller.