CN216922537U

CN216922537U - Special variable frequency controller of water supply of embedding flowmeter collection function

Info

Publication number: CN216922537U
Application number: CN202220669326.3U
Authority: CN
Inventors: 钟志标; 钟欣都; 钟欣翰
Original assignee: Shanghai Granville Intelligent Control Technology Group Co ltd
Current assignee: Shanghai Granville Intelligent Control Technology Group Co ltd
Priority date: 2022-03-26
Filing date: 2022-03-26
Publication date: 2022-07-08
Anticipated expiration: 2032-03-26

Abstract

The utility model discloses a special water supply variable frequency controller with an embedded flow meter acquisition function, and particularly relates to the technical field of variable frequency controllers. According to the utility model, the flow is monitored by means of the ultrasonic flowmeter, and the flow correlation data such as the forward instantaneous flow, the forward accumulated flow, the reverse instantaneous flow, the reverse accumulated flow and the like are acquired by the frequency converter, so that the centrifugal pumps can be subjected to one-to-one embedded flow real-time acquisition by means of the matching of the ultrasonic flowmeter and the frequency converter, the normal water output of each centrifugal pump is ensured, and the conditions of no water rotation, water leakage and water shortage caused by locked-up are prevented.

Description

Special variable frequency controller of water supply of embedding flowmeter collection function

Technical Field

The utility model relates to the technical field of variable frequency controllers, in particular to a special variable frequency controller for water supply, which is embedded with a flow meter acquisition function.

Background

With the rapid development of the scientific and technological era of China and the continuous improvement of national water safety for civil use, the application of the internet of things technology, including the continuous improvement of the requirements of environment monitoring of a pump house, energy-saving and water-saving efficiency of a water pump, safety guarantee of water supply equipment and the like, the water pump in the existing pump house cannot effectively monitor the situations of no water dry rotation, water leakage and water shortage in the using process, and therefore a special water supply frequency conversion controller with a flow meter acquisition function is needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides the special water supply variable frequency controller with the embedded flow meter acquisition function, the flow is monitored by the aid of the ultrasonic flow meter, the flow is subjected to acquisition of flow correlation data such as forward instantaneous flow, forward accumulated flow, reverse instantaneous flow, reverse accumulated flow and the like by the aid of the frequency converter, and the centrifugal pumps can be subjected to one-to-one embedded flow real-time acquisition by the aid of the matching of the ultrasonic flow meter and the frequency converter, so that normal water outlet of each centrifugal pump is guaranteed, the situations of water blockage, no water rotation, water leakage and water shortage are prevented, and the problems in the background art are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a special frequency conversion controller that supplies water of embedding flowmeter collection function, includes the centrifugal pump, centrifugal pump top front side is equipped with the converter, go out water pressure sensor and intake pressure sensor are inserted respectively to both sides around the centrifugal pump bottom, intake pressure sensor is located the centrifugal pump and intakes the end, it is located the centrifugal pump water outlet end to go out water pressure sensor, the embedding of centrifugal pump water outlet end has ultrasonic flowmeter, the intake of ultrasonic flowmeter rear side centrifugal pump is served and is equipped with the check valve.

In a preferred embodiment, the fixed box that is equipped with in centrifugal pump one side, the inside threaded rod that is equipped with of box, threaded rod top and bottom all through the bearing respectively with box inner chamber top and bottom swing joint, threaded rod top outer wall threaded connection has the slide, the slide has all been seted up to both sides around the box, drives the threaded rod through operating handle and rotates, and the rotation of threaded rod can order about the slide and drive connecting plate and backup pad motion, and then can order about the protecting crust and carry out the up-and-down motion.

In a preferred embodiment, the slide is kept away from one side fixed connection board that is equipped with of centrifugal pump, the one end that the slide was kept away from to the connecting plate runs through the slide and extends to the slide outside, the fixed backup pad that is equipped with in one side that the box was kept away from to the connecting plate, and the motion through the slide drives connecting plate and backup pad up-and-down motion, and the backup pad drives the protecting crust and reciprocates simultaneously.

In a preferred embodiment, protective shells are arranged on the sides, far away from the two supporting plates, of the two supporting plates, the cross section of each protective shell is Jiong-shaped, the supporting plates are fixedly connected with one ends, close to the centrifugal pump, of the protective shells, and the protective shells are arranged to facilitate the protection of the centrifugal pump and improve the protection performance of the centrifugal pump.

In a preferred embodiment, the top of the box body is provided with a handle, the bottom end of the handle penetrates through the box body and is fixedly connected with the top end of the threaded rod, a user can conveniently operate the threaded rod through the handle, and convenience in operation of the user is improved.

In a preferred embodiment, a flange type butterfly valve is arranged on the far side of the ultrasonic flowmeter and the non-return valve, and the flange type butterfly valve is arranged to facilitate control over conveying of equipment.

The utility model has the technical effects and advantages that:

1. according to the utility model, the flow is monitored by means of the ultrasonic flowmeter, the flow is subjected to acquisition of flow correlation data such as forward instantaneous flow, forward accumulated flow, reverse instantaneous flow and reverse accumulated flow by the frequency converter, and then the energy consumption of the centrifugal pump is estimated by the frequency converter in combination with related energy consumption data such as electric energy of the centrifugal pump operation, so that real-time monitoring is carried out;

2. the threaded rod is driven to rotate by the operating handle, the sliding seat can be driven to drive the connecting plate and the supporting plate to move by the rotation of the threaded rod, the supporting plate can drive the protective shell to move up and down in the moving process, when the protective shell moves up, a user can conveniently operate the ultrasonic flowmeter, when the protective shell moves down, the connecting position of the check valve, the ultrasonic flowmeter and the equipment can be conveniently protected, the damage to the ultrasonic flowmeter caused by external impact is avoided, the protection performance of the ultrasonic flowmeter is improved, and meanwhile, the service life of the ultrasonic flowmeter is prolonged.

Drawings

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

FIG. 2 is a front view of the centrifugal pump of the present invention;

FIG. 3 is a side view of the protective housing of the present invention;

FIG. 4 is a perspective view of a protective shell of the present invention;

FIG. 5 is a side cross-sectional view of the housing of the present invention.

The reference signs are: 1. a centrifugal pump; 2. a frequency converter; 3. a water inlet pressure sensor; 4. a water outlet pressure sensor; 5. an ultrasonic flow meter; 6. a check valve; 7. a box body; 8. a threaded rod; 9. a slide base; 10. a slideway; 11. a connecting plate; 12. a support plate; 13. a protective shell; 14. a flange type butterfly valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-5 of the specification, the special variable frequency controller for water supply with embedded flowmeter acquisition function of the embodiment comprises a centrifugal pump 1, wherein a frequency converter 2 is arranged on the front side of the top end of the centrifugal pump 1, a water outlet pressure sensor 4 and a water inlet pressure sensor 3 are respectively connected to the front side and the rear side of the bottom end of the centrifugal pump 1, the water inlet pressure sensor 3 is positioned at the water inlet end of the centrifugal pump 1, the water outlet pressure sensor 4 is positioned at the water outlet end of the centrifugal pump 1, an ultrasonic flowmeter 5 is embedded in the water outlet end of the centrifugal pump 1, a check valve 6 is arranged on the water inlet end of the centrifugal pump 1 on the rear side of the ultrasonic flowmeter 5, the flow is monitored by the ultrasonic flowmeter 5 and then embedded into the frequency converter 2 in a 485 communication mode, and the frequency converter 2 performs acquisition of flow related data such as forward instantaneous flow, forward accumulated flow, reverse instantaneous flow and reverse accumulated flow through a 485 protocol, ultrasonic flowmeter 5 and 6 one sides of keeping away from mutually all are equipped with flange formula butterfly valve 14, through flange formula butterfly valve 14's setting, are convenient for control the transport of equipment.

The implementation scenario is specifically as follows: the method comprises the steps of monitoring the flow by means of an ultrasonic flowmeter 5, embedding the flow into a frequency converter 2 in a 485 communication mode, carrying out acquisition of flow correlation data such as forward instantaneous flow, forward accumulated flow, reverse instantaneous flow, reverse accumulated flow and the like on the flow by the frequency converter 2 through a 485 protocol, and then estimating the energy consumption of the centrifugal pump 1 by the frequency converter 2 in combination with related energy consumption data such as electric energy and the like of the operation of the centrifugal pump 1 for real-time monitoring.

Referring to the attached

drawings

1, 3, 4 and 5 of the specification, in the embodiment of the frequency conversion controller special for water supply with embedded flow meter acquisition function, a box body 7 is fixedly arranged on one side of a centrifugal pump 1, a threaded rod 8 is arranged inside the box body 7, the top end and the bottom end of the threaded rod 8 are respectively movably connected with the top and the bottom of an inner cavity of the box body 7 through bearings, a slide seat 9 is in threaded connection with the outer wall of the top end of the threaded rod 8, slide ways 10 are respectively arranged on the front side and the rear side of the box body 7, the threaded rod 8 is driven to rotate through an operating handle, the slide seat 9 can be driven to drive a connecting plate 11 and a supporting plate 12 to move so as to drive a protective shell 13 to move up and down through the rotation of the threaded rod 8, a connecting plate 11 is fixedly arranged on one side of the slide seat 9 far away from the slide ways 10 and extend to the outside of the slide ways 10, and a supporting plate 12 is fixedly arranged on one side of the connecting plate 11 far away from the box body 7, the connecting plate 11 and the supporting plate 12 are driven to move up and down by the movement of the sliding seat 9, the supporting plate 12 drives the protective shell 13 to move up and down at the same time, the protective shell 13 is arranged on one side, away from the two supporting plates 12, of each supporting plate 13, the cross section of each protective shell 13 is Jiong-shaped, the supporting plates 12 and one end, close to the centrifugal pump 1, of each protective shell 13 are fixedly connected, the protective shell 13 is arranged, the protective performance of the centrifugal pump is improved, a handle is arranged on the top of the box body 7, the bottom end of the handle penetrates through the box body 7 and is fixedly connected with the top end of the threaded rod 8, a user can conveniently operate the threaded rod 8 through the arrangement of the handle, and convenience in operation of the user is improved.

The implementation scenario is specifically as follows: the threaded rod 8 is driven to rotate through the operating handle, the sliding seat 9 can be driven to drive the connecting plate 11 and the supporting plate 12 to move through rotation of the threaded rod 8, the supporting plate 12 can drive the protective shell 13 to move up and down in the moving process, when the protective shell 13 moves up, a user can conveniently operate the ultrasonic flowmeter, when the protective shell 13 moves down, the connecting position of the check valve 6, the ultrasonic flowmeter 5 and equipment can be conveniently protected, damage to the ultrasonic flowmeter caused by external impact is avoided, the protection performance of the ultrasonic flowmeter is improved, and meanwhile the service life of the ultrasonic flowmeter is prolonged.

And finally: 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 are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a special variable frequency controller that supplies water of embedding flowmeter collection function, includes centrifugal pump (1), its characterized in that: centrifugal pump (1) top front side is equipped with converter (2), both sides insert respectively and go out water pressure sensor (4) and intake pressure sensor (3) around centrifugal pump (1) bottom, intake pressure sensor (3) are located centrifugal pump (1) end of intaking, it is located centrifugal pump (1) end of giving out water pressure sensor (4), centrifugal pump (1) end of giving out water embedding has ultrasonic flowmeter (5), the end of intaking of centrifugal pump (1) of ultrasonic flowmeter (5) rear side is equipped with check valve (6).

2. The special variable frequency controller for water supply with embedded flow meter acquisition function according to claim 1, characterized in that: centrifugal pump (1) one side is fixed and is equipped with box (7), box (7) inside is equipped with threaded rod (8), threaded rod (8) top and bottom all through the bearing respectively with box (7) inner chamber top and bottom swing joint, threaded rod (8) top outer wall threaded connection has slide (9), slide (10) have all been seted up to both sides around box (7).

3. The variable frequency controller special for water supply with embedded flow meter acquisition function according to claim 2, characterized in that: one side that centrifugal pump (1) was kept away from in slide (9) is fixed and is equipped with connecting plate (11), slide (9) was kept away from in connecting plate (11) one end runs through slide (10) and extends to slide (10) outside, one side that box (7) were kept away from in connecting plate (11) is fixed and is equipped with backup pad (12).

4. The variable frequency controller special for water supply with embedded flow meter acquisition function according to claim 3, characterized in that: one side that two backup pads (12) kept away from mutually all is equipped with protecting crust (13), protecting crust (13) cross-section is established to Jiong shape, backup pad (12) and protecting crust (13) are close to the one end fixed connection of centrifugal pump (1).

5. The variable frequency controller special for water supply with embedded flow meter acquisition function according to claim 2, characterized in that: the top of the box body (7) is provided with a handle, and the bottom end of the handle penetrates through the box body (7) and is fixedly connected with the top end of the threaded rod (8).

6. The variable frequency controller special for water supply with embedded flow meter acquisition function according to claim 1, characterized in that: and a flange type butterfly valve (14) is arranged on one side, far away from the ultrasonic flowmeter (5) and the check valve (6).