CN218449773U - Miniature power generation device for natural gas pipeline - Google Patents

Abstract

The utility model relates to a defeated energy utilization technical field of pipe especially relates to a miniature power generation facility for natural gas line. Set up in natural gas line, including the impeller, the impeller includes integrated into one piece's a plurality of blades and shell, and is a plurality of blade circumference equipartition sets up on the shell, the inside of shell is equipped with the installation cavity, be equipped with the rotor on the inner wall of installation cavity, the middle part of installation cavity is equipped with the pivot, be equipped with the fixed stator of joint with it in the pivot, the stator is located inside the rotor, the one end of installation cavity is sealed, is equipped with the back lid of detachable connection with it on the other end, cover after and be equipped with the through-hole, the one end of pivot is rotated and is connected in the installation cavity, the other end of pivot passes through-hole and back lid and rotates the connection. The technical scheme is used for solving the problem that the energy transmitted by the natural gas pipe cannot be effectively utilized in the prior art.

Description

Miniature power generation device for natural gas pipeline

Technical Field

The utility model relates to a defeated energy utilization technical field of pipe especially relates to a miniature power generation facility for natural gas line.

Background

In prior art, the monitoring and control means of gas pipeline is usually through the form of installing intelligent valve and sensor on gas pipeline, gathers the inside data of gas pipeline through the sensor to judge and detect gas pipeline's operating condition, make the staff can find the problem the very first time, and remote control automatic valve closes or opens, with problem and the loss that reduces the defeated in-process of pipe and probably appear.

However, because part of the gas pipelines are located in remote areas, the use of electric energy for installing the intelligent valves and the sensors on the gas pipelines cannot be guaranteed, if the cost for supplying power by pulling electric wires is high, the workload is high, and meanwhile, the energy generated in the process of natural gas pipeline transmission is considered, and the part of the energy is not effectively utilized all the time, so that how to generate power by using the energy generated in the process of natural gas pipeline transmission is provided for the intelligent valves or the sensors on the gas pipelines in the remote areas, and the problem to be solved urgently is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough of above-mentioned technique, the utility model is to provide a miniature power generation facility is used to natural gas line for solve the unable effectively utilized problem of natural gas line transmission energy.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a micro-power generation device for natural gas line, sets up in natural gas line, including the impeller, the impeller includes a plurality of blades and the shell of integrated into one piece, and is a plurality of blade circumference equipartition sets up on the shell, the inside of shell is equipped with the installation cavity, be equipped with the rotor on the inner wall of installation cavity, the middle part of installation cavity is equipped with the pivot, be equipped with the fixed stator of joint with it in the pivot, the stator is located inside the rotor, the one end of installation cavity is sealed, is equipped with the back lid of detachable connection with it on the other end, the back is covered and is equipped with the through-hole, the one end of pivot is rotated and is connected in the installation cavity, the other end of pivot passes through-hole and back lid rotation connection.

The working principle of the technical scheme is as follows:

the power generation device is arranged in a natural gas pipeline, flowing natural gas drives the blades to rotate, and the blades drive the shell and the rotor arranged on the inner wall of the shell to rotate, namely, electromotive force is generated, namely, electric energy is generated.

Further inject, all be equipped with the bearing mounting groove in the installation cavity and after covering, all be equipped with the bearing in the bearing mounting groove, the pivot cup joints in the pivot, and its beneficial part lies in, such connected mode is simple, and rotatory effectual, need explain that pivot and bearing inner circle are connected, and the outer lane joint of bearing is on after covering and shell, then the rotation of blade can drive the shell and the device is rotatory.

Further, an included angle β between a chord length of the blade section of the blade and a rotation plane of the blade is defined as:

10< beta <20 degree at apex part

Root portion 30< beta <60 degrees.

Further, the rear cover is in threaded connection with one end of the outer shell, the thread arranged on the rear cover is an external thread, and the thread arranged on the inner wall of the outer shell installation chamber is an internal thread.

Further defined, the number of the blades is 3-10.

Further defined, the blade and the housing are integrally injection molded, which is advantageous in that the integral injection molding increases the strength of the blade.

Further limited, the blades and the shell are made of carbon fibers, and the gas pipeline static-free anti-static gas turbine has the advantages that the carbon fibers can prevent static electricity, and the use safety in a gas pipeline is guaranteed.

Further defined, the diameter of the impeller is 80-250mm, and the diameter of the rotating shaft is 6-25mm.

Further inject, still include generator base and generator cover, the one end fixed connection of generator base and generator cover, and the inside at the junction is equipped with the cavity of installation impeller, the inside of cavity is equipped with the mount, the mount is fixed in the cavity with the impeller.

Further limit, the other ends of the generator base and the generator cover are both provided with flanges connected with a natural gas pipeline.

The utility model discloses the technological effect who gains as follows:

(1) The micro power generation device can be arranged on a shell, the shell is in flange connection with a natural gas pipeline, the blades are driven to rotate by utilizing the pipeline pressure of the natural gas pipeline, power generation and storage are realized, and the generated electric energy can be used for elements such as a natural gas pipeline intelligent valve, a detection sensor and the like in remote areas; (2) The integral injection molding of the blades and the shell can improve the strength and prolong the service life; (3) The blades and the shell are made of carbon fiber materials, so that static electricity can be prevented, and the use safety in a gas pipeline is guaranteed.

Drawings

FIG. 1 is a perspective view of the power generation device;

FIG. 2 is a perspective view of the power generation device from another perspective;

FIG. 3 is a schematic cross-sectional view of a top view of the present power plant;

FIG. 4 is a schematic diagram of a front sectional view of the present power plant;

FIG. 5 is a schematic view of the present power plant in one orientation including a generator base and a generator cover;

FIG. 6 is a schematic view of another direction of the power generation apparatus including a generator base and a generator cover;

FIG. 7 is a schematic diagram of an internal cross-sectional view of the power generation assembly including a generator base and a generator cover;

fig. 8 isbase:Sub>A schematic cross-sectional viewbase:Sub>A-base:Sub>A of fig. 7.

Reference numerals

The wind power generator comprises a blade 1, a rear cover 2, a rotating shaft 3, a stator 4, a rotor 5, a first bearing 6, a second bearing 7, a shell 8, a generator base 9, a generator cover 10, a power output DC11, a power output AC12 and a power input AC13.

Detailed Description

The following is further detailed by way of specific embodiments:

as shown in fig. 1-8, a miniature power generation device for natural gas pipeline, set up in natural gas pipeline, including the impeller, the impeller includes a plurality of blades 1 and shell 8, blade 1 and shell 8 integrated into one piece, there is the cavity to hold the motor bearing in the middle of, a plurality of blades 1 circumference equipartition sets up on shell 8, the inside of shell 8 is equipped with the installation cavity, be equipped with rotor 5 on the inner wall of installation cavity, the middle part of installation cavity is equipped with pivot 3, it is required to explain that pivot 3 middle part is equipped with logical groove, the purpose is convenient for draw wire to the outside, the material of pivot 3 is 45# steel, be equipped with stator 4 fixed with its joint on the pivot 3, stator 4 is located inside rotor 5, the one end of installation cavity is sealed, be equipped with detachable back lid 2 of being connected with it on the other end, the material of back lid 2 is 6061 alloy aluminium, be equipped with the through-hole on back lid 2, the one end of pivot 3 rotates to be connected in the installation cavity, the other end of pivot 3 passes the through-hole and back lid 2 rotates to be connected.

The power generation device is installed in a natural gas pipeline, flowing natural gas drives the blade 1 to rotate, the blade 1 drives the shell 8 and the rotor 5 arranged on the inner wall of the shell 8 to rotate, electromotive force is generated, and electric energy is generated.

All be equipped with the bearing mounting groove in the installation cavity with on the back lid 2, be equipped with second bearing 7 and first bearing 8 in the bearing mounting groove respectively, pivot 3 cup joints on pivot 3, such connected mode is simple, and rotatory effectual, need explain pivot 3 and bearing inner circle are connected, the outer lane joint of bearing is on back lid 2 and shell 8, then the rotation of blade 1 can drive shell 8 and device rotation.

One end threaded connection of back lid 2 and shell 8, threaded connection's mode is simple, and installation and dismantlement are convenient. The screw thread that sets up on the back lid 2 is the external screw thread, and the screw thread that sets up on the inner wall of 8 installation chambers on the shell is the internal thread, because the blind end of shell 8 at first with the natural gas contact, be about to back lid 2 sets up in the inside of shell 8, makes the moisture in the natural gas be difficult for along with the inside that the flow direction got into shell 8.

The quantity of blade 1 is 3 at least, and the quantity of blade 1 is 6 in this technical scheme, and blade 1 and 8 whole injection moulding of shell can increase blade 1 intensity. The blades 1 and the shell 8 are made of carbon fibers, specifically PA66-70CF30HSL 30% carbon fibers of U.S. DuPont, and the carbon fibers can prevent static electricity and ensure the use safety in a gas pipeline.

In the technical scheme, the specific size of the power generation device is that the diameter of the impeller is 140mm, the diameter of the rotating shaft 3 is 10mm, the length from the closed end of the shell 8 to the outer side end of the rear cover 2 is 39mm, the distance from the closed end of the shell 8 to one end of the outer side of the rotating shaft 3 is 54mm, and the length of the leakage part of the rotating shaft 3 can be calculated to be 15mm. The manufacturing process of the power generation device comprises positive electrode antistatic treatment, the casing of the blade 1 and the equipotential of each component to the ground in high-speed operation are guaranteed, the electrostatic potential hazard is further eliminated, and the included angle beta between the chord length of the section of the blade 1 and the rotation plane of the blade 1 is as follows: 10< beta <20 degrees at the apex part; the root position 30< beta <60 degrees, preferably 15 deg. and 45 deg..

It is not difficult to understand, this device can be directly be fixed in natural gas line with this miniature power generation device through fixed establishment in, fixed establishment can understand the dead lever, the dead lever sets up and is located one of 2 outside of back covers in pivot 3 and serves, the one end of dead lever is fixed in pivot 3, the other end is fixed in on the gas pipeline, fixed establishment's structure is prior art, do not do too much redundantly here and describe, fixed establishment is used for being fixed in inside natural gas line with the impeller, the fillet has been fallen on the closed end of casing, and set up in the front end of natural gas flow direction, the flow resistance to the natural gas can be reduced in the setting of fillet.

For the convenience of this device installation on natural gas line, this device still includes generator frame 9 and generator cover 10, the one end fixed connection of generator frame 9 and generator cover 10, and the inside at the junction is equipped with the cavity of installation impeller, the inside of cavity is equipped with the mount, the mount is fixed in the cavity with the impeller, preferably, be equipped with the logical groove of drawing internal conductor in the mount, all be equipped with the flange of being connected with natural gas line on the other end of generator frame and generator cover, it is more simple directly with the mode of natural gas line intercommunication through the flange, it is difficult to understand certainly, still be provided with power output DC11 on generator cover 10 or generator frame 9, spare parts such as power output AC12 and power input AC13, this mode of setting is prior art, do not do too much redundantly here and describe.

It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that, for the person skilled in the art, without departing from the structure of the invention, several variants and modifications can be made, which should also be regarded as the scope of protection of the invention, which will not affect the effectiveness of the implementation of the invention and the utility of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. The utility model provides a micro-power generation device for natural gas line, sets up in natural gas line, its characterized in that, including the impeller, the impeller includes a plurality of blades and the shell of integrated into one piece, and is a plurality of blade circumference equipartition sets up on the shell, the inside of shell is equipped with the installation cavity, be equipped with the rotor on the inner wall of installation cavity, the middle part of installation cavity is equipped with the pivot, be equipped with the fixed stator of joint with it in the pivot, the stator is located inside the rotor, the one end of installation cavity is sealed, is equipped with the back lid of detachable connection with it on the other end, cover the back and be equipped with the through-hole, the one end of pivot is rotated and is connected in the installation cavity, the other end of pivot passes the through-hole and the back lid rotates to be connected.

2. The micro-generator device for the natural gas pipeline as claimed in claim 1, wherein the mounting chamber and the rear cover are provided with bearing mounting grooves, the bearing mounting grooves are provided with bearings, and the rotating shaft is sleeved on the rotating shaft.

3. The micro-generator device for the natural gas pipeline as claimed in claim 1, wherein an included angle β between a chord length of a section of the blade and a rotation plane of the blade is:

10< beta <20 degrees at the apex part;

root portion 30< beta <60 degrees.

4. The micro-generator device for the natural gas pipeline as claimed in claim 3, wherein the back cover is in threaded connection with one end of the housing, the thread provided on the back cover is an external thread, and the thread provided on the inner wall of the housing installation chamber is an internal thread.

5. The micro-generator for the natural gas pipeline as claimed in claim 1, wherein the number of the blades is 3 to 10.

6. The micro-generator for the natural gas pipeline as claimed in claim 1, wherein the blade and the housing are integrally injection molded.

7. The micro-generator device for the natural gas pipeline as claimed in claim 1, wherein the blades and the housing are made of carbon fiber.

8. The micro-generator device for natural gas pipeline as claimed in claim 1, wherein the diameter of said impeller is in the range of 80-250mm, and the diameter of said rotating shaft is in the range of 6-25mm.

9. The micro power generation device for the natural gas pipeline as claimed in claim 1, further comprising a generator base and a generator cover, wherein the generator base is fixedly connected with one end of the generator cover, a chamber for installing the impeller is arranged inside the connection, a fixing frame is arranged inside the chamber, and the fixing frame fixes the impeller in the chamber.

10. The miniature power generation device for the natural gas pipeline according to claim 9, wherein the other end of the generator base and the generator cover is provided with a flange connected with the natural gas pipeline.

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