CN209892374U

CN209892374U - Low-pressure-difference pipeline generator

Info

Publication number: CN209892374U
Application number: CN201920783433.7U
Authority: CN
Inventors: 朱淑娟; 白玉; 丁长远; 乔伟立; 贺永轩; 张岩
Original assignee: Qinhuangdao Versailles Technology Co Ltd
Current assignee: Qinhuangdao Versailles Technology Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-01-03
Anticipated expiration: 2029-05-28

Abstract

The utility model provides a low dropout pipeline generator, include: the pipeline comprises a pipeline body, a regulating valve, a generator, a fluid power device and a magnetic coupling, wherein a shell is arranged on the side surface of the pipeline body, and a cover is matched with the shell; the regulating valve is positioned on the pipeline body and used for controlling the fluid pressure difference between the inlet end and the outlet end of the shell; the generator is arranged on the cover; the fluid power device is arranged in the shell; the magnetic coupling is arranged on the generator and the fluid power device; the fluid in the shell drives the power device to rotate, and the power device drives the generator to generate electricity through the magnetic coupling. The approximately constant pressure difference at the inlet end and the outlet end of the pipeline body can be adjusted by the adjusting valve in the device; the fluid power device can meet the power generation requirement by using little fluid pressure drop due to the adoption of the regulating valve, so that the differential pressure between the inlet end and the outlet end of the pipeline body is small.

Description

Low-pressure-difference pipeline generator

Technical Field

The utility model relates to a pipeline generator technical field, in particular to low dropout pipeline generator.

Background

Electricity is an important energy source, people can not keep electricity in production and life, a generator is mechanical equipment for converting energy sources in other forms into electric energy, the types of the generator are various, and the working principle of the generator is based on an electromagnetic induction law and an electromagnetic force law.

At present, oil transmission pipelines and natural gas transmission pipelines usually need electronic instruments to test parameters such as fluid flow, pressure and temperature of the pipelines. Because the conduits are often in remote locations and lack a power supply, the meters are often wired for communication or powered using batteries. However, the battery has a certain life cycle, so that it is necessary to replace the battery with a new one at intervals. The cable needs to be laid with two lines of communication and power supply, the investment and maintenance cost is high, the equipment cost is increased, and the construction cost is higher.

Chinese patent application No. 201620317887.1 discloses a pipe generator, including: the pipeline comprises a pipeline body, wherein a generator, a power device, a supporting device and a transmission shaft are arranged in the pipeline body; the generator comprises a stator and a rotor; the power device comprises at least one impeller for driving the rotor to rotate, and the impeller is connected with the rotor; the stator is attached to the pipeline body; the pipeline body is at least provided with two connecting ends. The utility model provides a pipeline generator is through setting up link and other pipeline interconnect on the pipeline body, and it is rotatory to utilize the fluidic flow in the pipeline and pressure to promote the impeller, and it is rotatory to drive the rotor, and the stator acts on, and the generating current, above-mentioned pipeline generator has following shortcoming: (1) because the pipeline generator is built-in the pipeline, when fluid passes through, thereby all can have certain absorption to change the electric energy into to the kinetic energy of fluid, the pressure differential of fluid in the pipeline around the pipeline generator can be very big like this, and the pressure of pipeline generator rear end can obviously be less than the pressure of front end, uses a plurality ofly on whole pipe-line system the utility model provides a during the pipeline generator, pressure can reduce a lot when the equipment at pipeline terminal uses fluid in the pipeline, can not reach the operation standard a bit. (2) Meanwhile, the pipeline generator is arranged in the pipeline, fluid in the pipeline directly drives the impeller to drive the rotor to rotate, the impeller and the stator are acted to generate current, the fluid in the pipeline generates electricity quickly when the flow rate is high, and the fluid in the pipeline generates electricity slowly when the flow rate is low, so that electricity cannot be generated stably. (3) Meanwhile, the fluid in the pipeline directly drives the impeller to drive the rotor to rotate, and the impeller and the stator react to generate current so as to generate electricity.

Disclosure of Invention

Therefore, it is necessary to provide a pipeline generator with low pressure difference, high efficiency and stable power generation aiming at the problems of overlarge front-back pressure difference, low power generation efficiency and unstable power generation of the pipeline generator.

A low-dropout duct generator comprising:

the pipeline comprises a pipeline body, a pipeline body and a pipeline body, wherein the pipeline body is provided with an inlet end and an outlet end, a shell is arranged on the side surface of the pipeline body, and a cover is matched with the shell;

the fluid power device is arranged in the shell, and an inflow end and an outflow end of the fluid power device are respectively communicated with the inlet end and the outlet end;

the regulating valve is positioned on the pipeline body, and an inflow end and an outflow end of the regulating valve are respectively communicated with the inlet end and the outlet end;

a generator disposed on the cover; and

the magnetic coupling is arranged on the generator and the fluid power device;

the fluid pressure in front of the inflow end of the fluid power device is controlled through the regulating valve, the fluid in the shell enables the fluid power device to generate power, and the power drives the generator to generate electricity through the magnetic coupling.

Further, the fluid power device includes:

the flow guide ring is arranged in the shell; and

and the impeller is arranged in the guide ring.

Furthermore, guide plates are uniformly arranged on the guide ring; and jet holes are formed in the guide ring and correspond to the guide plate.

Further, the magnetic coupling includes:

the impeller flange is fixedly connected with the rear part of the impeller;

the generator flange is fixedly connected with a motor shaft of the generator; and

and the magnetic substances with opposite magnetic poles are arranged on the impeller flange and the generator flange in an staggered manner.

Further, the regulating valve includes:

a valve port mounted within the conduit body;

the valve body is arranged on the pipeline body;

the valve seat is arranged on the valve body;

the adjusting bolt is arranged at the upper end of the valve seat;

the rear end of the spring is matched with the adjusting bolt; and

and the valve core is arranged in the valve seat, and the rear end of the valve core is matched with the front end of the spring.

Furthermore, a valve sleeve is arranged on the valve seat, and a hole is formed in the valve sleeve.

Further, the generator is installed on the motor bottom plate, the motor bottom plate is fixedly installed at one end of the installation column, and the other end of the installation column is fixedly installed on the side face of the cover.

The low-pressure-difference pipeline generator has the advantages that:

1. the adjusting valve in the device can adjust the approximate constant pressure difference at the inlet end and the outlet end of the pipeline body, thus ensuring that the pressure difference is approximately constant under the condition of different flow rates in the shell, being beneficial to the stable operation of the fluid power device, ensuring the power generation to be more stable, and simultaneously reducing the adverse effect on the whole system to the maximum extent.

2. The fluid power device can meet the power generation requirement by using little fluid pressure drop due to the adoption of the regulating valve, so that the differential pressure between the inlet end and the outlet end of the pipeline body is small.

3. The fluid in the shell can impact the root of the flow guide plate through the flow guide plate on the flow guide ring and then is sprayed out from the jet hole, so that the speed of spraying the fluid is higher than that of the fluid in the pipeline body, the rotating speed of the impeller is accelerated, and the energy utilization efficiency is higher.

4. Because the device adopts the magnetic coupling arranged on the generator and the fluid power device; the fluid power device drives the generator to generate electricity through the magnetic coupling, the impeller flange drives the magnetic substance on the upper portion of the impeller flange to rotate, the generator flange on the other side of the cover can be driven to rotate, and accordingly shaftless transmission can be achieved, sealing effect between the shell and the cover can be better, and energy loss caused by factors such as sealing friction to parts such as a transmission shaft is avoided.

Drawings

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

Fig. 2 and 3 are schematic diagrams of the pipeline body of the present invention.

Fig. 4 and 5 are exploded views of the valve of the present invention.

Fig. 6 is a schematic diagram of the generator of the present invention.

Fig. 7 and 8 are schematic diagrams of the power device of the present invention.

Fig. 9 and 10 are schematic diagrams of the magnetic coupling of the present invention.

Fig. 11 is a distribution diagram of magnetic poles of magnetic material on a generator flange according to the present invention.

Reference numerals: 10-a pipe body; 101-an inlet end; 102-an outlet end; 103-valve port; 110-a housing; 1101-an annular chamber; 120-a lid; 20-adjusting the valve; 210-a valve core; 2101-a tapered core; 2102-guide post; 220-a spring; 230-an adjusting bolt; 240-valve seat; 241-valve sleeve; 2411-hole; 250-a valve body; 40-a magnetic coupling; 410-impeller flange; 4101-magnetic substance; 420-a generator flange; 50-a generator; 51-a motor base plate; 52-mounting posts; 60 a power plant; 610-a flow guide ring; 620-impeller; 6101-jet hole; 6102-a flow guide plate; 6103-side fixation of plates.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, 2 and 3, a low-pressure-difference pipeline generator according to an embodiment of the present invention includes: the pipeline comprises a pipeline body 10, a regulating valve 20, a generator 50, a fluid power device 60 and a magnetic coupling 40.

A housing 110 is arranged on the side of the pipeline body 10, and a cover 120 is matched with the housing 110; specifically, the pipeline body 10 has an inlet end 101 and an outlet end 102, and the inlet end 101 and the outlet end 102 can be connected with a pipeline through flanges, so that the pipeline body can be conveniently mounted and dismounted; the pipeline body 10 is provided with a regulating valve 20, and the inflow end and the outflow end of the regulating valve are respectively communicated with the inlet end 101 and the outlet end 102 of the pipeline body 10;

the side of the pipeline body 10 is provided with a shell 110, the shell 110 is a hollow structure, an annular chamber 1101 is arranged in the shell, a fluid power device 60 is installed in the annular chamber 1101, and an inflow end and an outflow end of the fluid power device 60 are respectively communicated with an inlet end 101 and an outlet end 102 of the pipeline body 10; the cover 120 is mated with the housing 110; preferably, the cover 120 and the housing 110 are coupled by bolts, and a packing is installed therebetween to prevent fluid inside the pipe body 10 from leaking.

Referring to fig. 4 and 5, the regulating valve 20 is disposed on the pipe body 10 for controlling the fluid pressure in front of the valve port 103 and allowing the excess fluid to pass through the valve port 103; the regulating valve 20 comprises a valve body 250, a valve seat 240, a regulating bolt 230, a spring 220, a valve port 103 and a valve core 210, and specifically, the regulating valve 20 is obliquely installed on the pipeline body outwards and backwards.

The valve body 250 is arranged on the pipeline body 10, specifically, the valve body 250 is obliquely arranged on the pipeline body 10 outwards, the lower end of the valve body 250 is communicated with the outflow end of the valve port 103, and the side surface of the circular chamber in the valve body 250 is communicated with the outflow end of the annular chamber 1101 of the shell 110; the valve port 103 is installed inside the pipe body 10, and the center line of the circular chamber inside the valve body 250 coincides with the center line of the valve port 103.

The valve seat 240 is matched with the valve body 250, specifically, the valve seat 240 is connected with the valve body 250 through bolts, and a sealing gasket is arranged between the valve seat 240 and the valve body 250 and used for preventing fluid in the valve body 250 from leaking; a valve sleeve 241 is fixedly arranged at the front end of the valve seat 240, and a hole 2411 is formed in the valve sleeve 241;

the adjusting bolt 230 is disposed at the upper end of the valve seat 240, and specifically, the adjusting bolt 230 is in threaded connection with the upper end of the valve sleeve 241, and the compression length of the spring 220 can be adjusted by the adjusting bolt 230, so as to adjust the magnitude of elasticity.

One end of the spring 220 is engaged with the adjusting bolt 230, and specifically, the upper end of the spring 220 abuts against the lower end of the adjusting bolt 230.

The valve core 210 is disposed in the valve seat 240 and is matched with the lower end of the spring 220, specifically, the guide post 2102 on the valve core 210 is slidably connected with the valve sleeve 241, the upper end of the guide post 2102 on the valve core 210 is in contact with the lower end of the spring 220, the pressure generated by the fluid at the outlet end 102 can act on the rear end surface of the guide post 2102 through the hole 2411, a feedback pressure is formed, the feedback pressure and the spring 220 together adjust the opening amount of the tapered core 2101 and the valve port 103, and the feedback pressure is used for controlling the fluid pressure in front of the fluid power device 60 and enabling the redundant fluid to pass through the valve port 103, so that the fluid power device 60 in the housing 110 operates smoothly.

Referring to fig. 6, the generator 50 is disposed on the cover 120, specifically, the generator 50 is mounted on the motor base plate 51, the motor base plate 51 is fixedly mounted on one end of the mounting post 52, and the other end of the mounting post 52 is fixedly mounted on the side surface of the cover 120.

Referring to fig. 7 and 8, the fluid power device 60 is disposed in the housing 110, and the fluid power device 60 includes: a deflector ring 610 and an impeller 620.

The flow guide ring 610 is arranged in the shell 110, and the ring surface of the flow guide ring is uniformly provided with jet holes 6101; a flow guide plate 6102 is further disposed outside the flow guide ring 610, specifically, nine jet holes 6101 are uniformly disposed on the flow guide ring 610, a flow guide plate 6102 is correspondingly disposed outside each jet hole 6101, the flow guide plate 6102 is tangent to the flow guide ring 610, and the flow guide ring 610 is fixedly mounted in the annular chamber 1101 on the housing 110 through a side fixing plate 6103. The fluid flowing into the housing 110 from the inlet end 101 is guided by the flow guide ring 610 and then ejected from the jet holes 6101 and sprayed onto the impeller 620, and the impact force generated by the ejection drives the impeller 620 to rotate, and then flows axially from the impeller 620 into the outlet end 102.

The impeller 620 is mounted within the guide ring 610, and in particular, the impeller 620 is rotatably mounted within the guide ring 610.

Referring to fig. 9, 10 and 11, the magnetic coupling 40 is disposed between the generator 50 and the fluid power device 60; the fluid power device 60 drives the generator 50 to generate electricity through the magnetic coupling 40, and the magnetic coupling 40 includes: impeller flange 410, generator flange 420, magnetic substance 4101.

The impeller flange 410 is fixedly connected with the rotating shaft of the impeller 620; specifically, the rear part of the impeller 620 is fixedly connected with the impeller flange 410; impeller flange 410 is rotated by impeller 620.

The generator flange 420 is fixedly connected with a motor shaft of the generator 50.

The magnetic substance 4101 is arranged on the impeller flange 410 and the generator flange 420, the magnetic substance 4101 with opposite magnetic poles is arranged on the impeller flange 410 and the generator flange 420 in an staggered manner, and the magnetic poles of the magnetic substance 4101 on the opposite positions of the impeller flange 410 and the generator flange 420 are opposite, the generator flange 420 can be driven to rotate by the magnetic substance 4101 on the impeller flange 410 through the rotation of the impeller flange 410, the generator flange 420 rotates to drive the motor shaft of the generator 50 to rotate, so that the generator 50 generates electricity, the magnetic substance 410 on the impeller flange 410 is driven to rotate, the generator flange 420 on the other side of the cover 120 can be driven to rotate, in this way, shaftless transmission can be realized, the transmission effect is better, holes can be prevented from being punched on the cover 120, the sealing effect of the shell 110 and the cover 120 can be better, and fluid leakage after.

Claims

1. A low differential pressure duct generator, comprising:

the pipeline comprises a pipeline body (10) and a pipeline body, wherein the pipeline body is provided with an inlet end (101) and an outlet end (102), a shell (110) is arranged on the side surface of the pipeline body (10), and a cover (120) is matched with the shell (110);

a fluid power device (60) arranged in the housing (110), wherein an inflow end and an outflow end of the fluid power device (60) are respectively communicated with the inlet end (101) and the outlet end (102);

the regulating valve (20) is positioned on the pipeline body (10), and an inflow end and an outflow end of the regulating valve (20) are respectively communicated with the inlet end (101) and the outlet end (102);

a generator (50) disposed on the cover (120); and

a magnetic coupling (40) disposed on the generator (50) and the fluid power device (60);

the fluid pressure in front of the inflow end of the fluid power device (60) is controlled through the regulating valve (20), the fluid in the shell (110) enables the fluid power device (60) to generate power, and the power drives the generator (50) to generate electricity through the magnetic coupling (40).

2. The low dropout pipeline power generator of claim 1, wherein: the fluid power device (60) comprises:

a deflector ring (610) disposed within the housing (110); and

an impeller (620) mounted within the flow guide ring (610).

3. The low dropout duct generator of claim 2, wherein: guide plates (6102) are uniformly arranged on the guide ring (610); and the diversion ring (610) is provided with a jet hole (6101) corresponding to the diversion plate (6102).

4. The low dropout pipeline power generator of claim 1, wherein: the magnetic coupling (40) comprises:

the impeller flange (410) is fixedly connected with the rear part of the impeller (620);

the generator flange (420) is fixedly connected with a motor shaft of the generator (50); and

magnetic substances (4101), and magnetic substances (4101) with opposite magnetic poles are arranged on the impeller flange (410) and the generator flange (420) in an staggered mode.

5. The low dropout pipeline power generator of claim 1, wherein: the regulating valve (20) comprises:

a valve port (103) mounted in the pipe body (10);

a valve body (250) provided on the pipe body (10);

a valve seat (240) mounted on the valve body (250);

an adjusting bolt (230) arranged at the upper end of the valve seat (240);

a spring (220) whose rear end is engaged with the adjusting bolt (230); and

and the valve core (210) is arranged in the valve seat (240), and the rear end of the valve core (210) is matched with the front end of the spring (220).

6. The low dropout duct generator of claim 5, wherein: the valve seat (240) is provided with a valve sleeve (241), and the valve sleeve (241) is provided with a hole (2411).

7. The low dropout pipeline power generator of claim 1, wherein: the generator (50) is arranged on the motor bottom plate (51), the motor bottom plate (51) is fixedly arranged at one end of the mounting column (52), and the other end of the mounting column (52) is fixedly arranged on the side face of the cover (120).