CN202746089U - Hydraulic generator of pipe - Google Patents

Abstract

The utility model provides a hydraulic generator of a pipe, which belongs to the technical field of machines and solves problems that the traditional hydraulic generator of the pipe has a poor energy source utilization rate and is difficult to install. The hydraulic generator of the pipe comprises a shell, wherein a partition board is arranged in the shell and is used for dividing the interior of the shell into an upper chamber and a lower chamber, the lower chamber of the shell is provided with a water inlet which is communicated with a flowing pipe, the upper chamber of the shell is provided with a water outlet which is communicated with a water consumption device, the partition board is provided with a through hole which is used for communicating the upper chamber and the lower chamber, a stator is arranged in the upper chamber of the shell, a rotor and a rotary shaft are arranged in the lower chamber, the rotary shaft is further provided with an impeller which rotates by utilizing the rotary shaft as the center when a medium flows into the lower chamber, and the rotor can rotate along with the impeller under the drive of the impeller. The hydraulic generator of the pipe, disclosed by the utility model, has the characteristics of high energy source utilization rate, good generation efficiency, convenience in installation and wide application range.

Description

Pipeline Hydroelectric Plant

technical field

The utility model belongs to the technical field of machinery and relates to a power generating device, in particular to a power generating device which is installed in a circulation pipeline and utilizes the power of water flow in the circulation pipeline to generate electricity.

Background technique

Due to the increasing demand for energy in recent years and the increasing awareness of environmental protection, the use and development of non-polluting, fuel-free and sustainable renewable energy is a trend in recent years. Hydropower is a real environmental protection principle. Energy regeneration method.

Some existing devices that have liquid or gas flowing through need to be equipped with a power supply as an auxiliary device, such as an ignition switch power supply for a gas water heater, a faucet sensor switch power supply, etc., all of which generally use batteries as a power supply. However, the battery needs to be replaced frequently, which causes environmental pollution and wastes the kinetic energy of the fluid itself.

For this reason, people have designed a kind of small power generation device that is installed on the circulation pipeline, utilizes the kinetic energy of the fluid itself in the pipeline to generate electricity, discloses a kind of electric valve as Chinese patent (application number is " 200420035885.0 "), in the electric valve A power generation device is connected to the circulation pipe of the pipe. The power generation device includes a cylinder arranged on the pipe. The cylinder and the pipe are separated by a sealing plate. An impeller is installed in the pipe below the sealing plate, and the impeller shaft extends out of one end of the sealing plate. The drive gear is installed, and the generator and battery are installed in the barrel. The driven gear on the generator meshes with the driving gear on the impeller shaft; the output wire on the generator is connected to the battery, and the battery is connected to the electric valve through the wire.

The above-mentioned patent installs the impeller in the flow pipe, so the dimensional relationship between the impeller and the pipe is required to be relatively high, which causes the problem that the application range of the power generation device is small. In addition, it is troublesome to install the impeller in the flow pipe. When the impeller rotates, it drives the impeller shaft to rotate, and then drives the driven gear on the generator through the driving gear on the impeller shaft. The transmission process is too cumbersome, resulting in unnecessary energy loss and low utilization of water flow energy. The water inlet and the water outlet of the power generating device are all arranged under the sealing isolation plate, causing most of the water flow to be discharged from the water outlet after impacting the impeller for half a circle, and the power generation efficiency is not high. the

Contents of the invention

The purpose of this utility model is to solve the above-mentioned problems of the existing power generation device on the circulation pipeline, and propose a power generation device installed in the circulation pipeline, which has the advantages of high energy utilization rate, wide application range, and convenient installation. .

The purpose of this utility model can be achieved through the following technical solutions: a pipeline hydroelectric power generation device, comprising a housing, a partition plate is arranged inside the housing to separate it into upper and lower chambers, and it is characterized in that , the lower chamber of the shell has a water inlet connected with the circulation pipe, the upper chamber of the housing has a water outlet connected with the water device, and the isolation plate has a connection between the upper and lower chambers. The through hole of the chamber, the stator is installed in the upper chamber of the shell, the rotor and a rotating shaft are installed in the lower chamber, and a rotating shaft is installed on the rotating shaft when the medium flows into the lower chamber. The impeller, the above-mentioned rotor can be driven by the impeller to rotate with the impeller.

The medium flows in from the water inlet of the lower chamber, relying on the power of the medium itself to drive the impeller to rotate with the rotating shaft as the axis. Device; when the impeller rotates, it drives the rotor to rotate together with the impeller, while the stator is always fixed, but there is a relative movement between the stator and the rotor, the coil cuts the magnetic induction line, and the induced current is smoothly generated in the coil.

In the above pipeline hydroelectric power generation device, the water inlet is connected to the circulation pipeline through a water passage, and the water passage is arranged obliquely relative to the axis of the circulation pipeline.

In the above pipeline hydroelectric power generation device, the water passage and the impeller are on the same level. The extension line of the water passage is on the rotating surface of the impeller.

In the above pipeline hydroelectric power generation device, the included angle between the water passage and the axis of the circulation pipeline is between 30° and 60°.

In the above pipeline hydroelectric power generation device, the impeller includes a disk, the center of which is fixed on the rotating shaft, and several blades arranged in a spiral shape around the center of the disk are arranged on the disk. The blade rotates with the rotating shaft as the central axis under the impact of the medium, and the medium can have an active surface to push the blade to rotate at any time.

In the above-mentioned pipeline hydroelectric power generation device, the impeller is fixedly connected with an annular rotor seat for fixing the rotor, and the rotor seat is composed of two fastened ring-shaped covers. Inside. After the upper and lower ring-shaped covers are fastened together, a ring-shaped cavity can be formed inside, and the rotor is installed in the ring-shaped cavity. When the impeller rotates, it drives the rotor base to rotate and also makes the rotor rotate together.

In the above pipeline hydroelectric power generation device, a stopper is provided at the outer end of each blade, and all the stoppers are arranged in a ring shape, and the rotor seat tightly fits with the stoppers of the above-mentioned blades. All the stops protrude upwards to form an annular convex ring, so that a circular notch is formed between the stopper and all the blades. The rotor seat is embedded in this circular notch and is in close contact with the inner side of the stopper. .

In the above-mentioned pipeline hydroelectric power generation device, the side of the isolation plate facing the upper chamber is provided with a ring-shaped stator seat, the bottom of the stator seat is matched with the through hole on the isolation plate, and the above-mentioned stator is sleeved on the stator outside of the seat. The stator sleeve is positioned on the outside of the stator seat to ensure that the stator remains fixed when the power generation device is working, so that the relative movement between the stator and the rotor is formed, and the induced current is smoothly formed in the coil. The inside of the annular stator seat serves as a connecting channel for the medium to flow from the lower chamber to the upper chamber.

In the above pipeline hydroelectric power generation device, the stator includes two annular silicon steel sheets and a coil arranged between the two silicon steel sheets; the rotor is an annular magnet.

In the above pipeline hydroelectric power generation device, the shell is composed of a cylindrical shell body and two upper and lower sealing covers, the sealing cover and the shell body are connected by screws, and the isolation plate is arranged on the Between the lower two sealing covers, there is a wire connection opening on the sealing cover on one side of the stator. The upper and lower sealing covers are installed on the upper and lower parts of the cylindrical shell respectively, and fixed by screws; after the induction current is induced in the coil, the current is sent to the battery or other electrical devices through the wire connected to the coil .

In the above pipeline hydroelectric power generation device, the water outlet is located on the upper sealing cover of the casing, and the top of the stator seat is matched with the water outlet. The medium that is full from the lower chamber flows out directly from the water outlet after passing through the stator seat, preventing the water flow from penetrating into the upper chamber and causing a short circuit of the coil.

In the above-mentioned pipeline hydroelectric power generation device, the isolation plate and the shell body are of an integrated structure.

In the above pipeline hydroelectric power generation device, an O-ring is provided at the connection between the upper and lower sealing covers and the cylindrical shell body. The O-ring seal acts as a seal.

Compared with the prior art, the pipeline hydroelectric power generation device has the following advantages:

1. The energy utilization rate is high, and the transmission process from the medium to the rotor is simple, which avoids excessive waste of energy in the transmission process.

2. It is easy to install and has a wide range of applications. The entire power generation device itself can be regarded as a separate whole. The water inlet and outlet can be directly connected to the pipeline.

3. The impeller is made of plastic material. After the medium drives the impeller to rotate, the flow velocity is not greatly affected, and the energy consumed to overcome the resistance when the impeller rotates is also small.

4. The power generation efficiency is high. When the medium impacts the impeller to generate electricity, the water flow impacts the impeller and will not be discharged immediately after half a circle or one rotation. Instead, a spiral upward water flow will be formed in the lower chamber. During the rising process, the water flow at the bottom of the lower chamber will be driven by the inertia of its own rotation to drive the impeller to rotate, which greatly improves the power generation efficiency.

Description of drawings

Fig. 1 is a structural schematic diagram of the pipeline hydroelectric power generation device in use.

Fig. 2 is a schematic diagram of an exploded structure of the pipeline hydroelectric power generation device.

Fig. 3 is a schematic cross-sectional structure diagram of the pipeline hydroelectric power generation device.

Fig. 4 is a schematic cross-sectional structure diagram of the lower chamber in the pipeline hydroelectric power generation device.

In the figure: 1, shell; 1a, shell body; 1b, sealing cover; 2, water inlet; 3, water passage; 21, water inlet valve; 21a, circulation pipe; 32, water outlet device; 32a, selection switch; 4, isolation plate; 41, through hole; 5, stator; 51, stator seat; 6, rotor; 61, rotor seat; 61a, cover; 7, rotating shaft; 71, small bearing; 72, bump; 8, impeller 81, disk; 82, blade; 9, block; 91, notch; 10, screw; 11, O-type sealing ring; 12, wire; 13, silicon steel sheet; 14, center hole.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

As shown in Figure 1, the power generation device is installed in the circulation pipeline, including a shell 1, a water inlet 2 is opened on the lower part of the shell 1, and a water outlet is opened on the upper part of the shell 1, and the water inlet 2 and the water outlet are respectively It is connected with a water inlet valve 21 and a water outlet device 32. The water inlet valve 21 selects the flow ratio of cold and hot water, and the water outlet device 32 includes a selector switch 32a, which can select the water outlet of the water flow, so that different water devices can use water. In this embodiment, the water outlet is opened on the top of the upper chamber, and is connected with the water outlet device through a right-angle pipe.

As shown in Fig. 2 and Fig. 3, the housing 1 of this generating device is provided with a piece of isolation plate 4 which will be divided into upper and lower chambers, the water inlet is opened in the lower chamber of the housing 1, and the water outlet Opened in the upper chamber of the housing 1, the center of the isolation plate 4 is provided with a through hole 41 communicating with the upper and lower chambers. The upper chamber of the housing 1 is equipped with a stator 5, and the lower chamber is equipped with a rotor 6 and a rotating shaft 7, and a rotating shaft 7 is also installed on the rotating shaft 7 when the water flows through the lower chamber. The impeller 8, the rotor 6 can be driven by the impeller 8 to rotate with the impeller 8. In this embodiment, the rotor 6 is a ring magnet, and the stator 5 is a coil. Ring-shaped silicon steel sheets 13 are arranged above and below the coil.

The impeller 8 includes a disk 81 , the center of which is sleeved on the rotating shaft 7 , and several blades 82 arranged in a spiral shape around the center of the disk are arranged on the disk 81 . The outer end of each blade 82 is provided with a stopper 9, and all the stoppers 9 protrude upwards and are annularly arranged to form an annular protruding ring, so that a circular gap is formed between the stopper 9 and all the blades 82. Notch 91. The impeller 8 is fixedly connected with an annular rotor seat 61 for fixing the rotor 6. The rotor seat 61 is composed of upper and lower two fastened annular covers 61a. After the upper and lower annular covers 61a are fastened together, the An annular cavity can be formed inside, and the rotor 6 is installed in this annular cavity.

A ring-shaped stator seat 51 is provided on the side of the isolation plate 4 facing the upper chamber. The housing 1 is composed of a cylindrical shell body 1a and two upper and lower sealing covers 1b. The sealing cover 1b and the shell body 1a are connected by screws 10, and an O-ring 11 is provided at the joint. The isolation plate 4 is arranged between the upper and lower sealing covers 1b, and the upper sealing cover 1b has an outlet for connecting wires. One end of the rotating shaft 7 is put on a small bearing 71 and then inserted into the through hole 41 on the isolation plate 4, and the other end is inserted into the center hole 14 of the sealing cover 1b on the side of the rotor 6, and a small bearing is fixedly connected to the shaft body. Projection 72, projection is also plugged in the center of the impeller, and tightly fit with the impeller.

As shown in Figure 4, the water flows into the lower chamber of the power generating device from the water inlet 2, impacts the blade 82, drives the impeller 8 to rotate counterclockwise, and flows out of the lower chamber from the through hole 41 on the isolation plate 4 flow out. The water inlet 2 is connected to the flow pipe 21a of the water inlet valve 21 through a water passage 3 inclined relative to the axis of the flow pipe 21a. In this embodiment, the included angle between the water passage 3 and the axis of the flow pipe 21a is 45°.

The impeller 8 rotates around the rotating shaft 7 under the impact of the water flow. The rotor seat 61 is embedded in the circular notch 91 formed between the block 9 and all the blades 82 and is in close contact with the inner side of the block 9 . When the impeller 8 rotates, it drives the rotor seat 61 to rotate and at the same time makes the rotor 6 also rotate; the stator 5 is set on the stator seat 51 and remains fixed all the time; therefore, relative movement occurs between the stator 5 and the rotor 6 , the coil cuts the magnetic induction line, and the induced current is smoothly generated in the coil. The current is sent to the storage battery or other electrical devices through the wire 12 connected to the coil, and if the water continues to flow, the coil will also continuously generate direct current. After the water flows out of the lower chamber, it directly flows out from the water outlet through the stator seat 51 .

The blades 82 are arranged in a vortex at the center of the disk 81, and the water flow also enters the lower chamber through the inclined water passage 3, so that the water flow can have an active surface to push the blades 82 to rotate at any time.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and modifications can also be made. And modification should also be regarded as the protection scope of the present utility model.

Claims (10)

1. Pipeline hydroelectric power generation device, comprising a housing (1), inside the housing (1) is provided with a separation plate (4) that separates it into upper and lower chambers, characterized in that the The lower chamber of the housing (1) has a water inlet (2) connected to the circulation pipe (21a), the upper chamber of the housing (1) has a water outlet connected to the water device, and the separating plate (4) is provided with a through hole (41) connecting the upper and lower chambers, a stator (5) is installed in the upper chamber of the housing (1), and a rotor (6) and a rotating shaft ( 7), on the rotating shaft (7), there is also an impeller (8) that can rotate with the rotating shaft (7) as the axis when the medium flows into the lower chamber. The above-mentioned rotor (6) can be mounted on the impeller (8) Driven by the impeller (8) to rotate. 2. The pipeline hydroelectric power generation device according to claim 1, characterized in that, the water inlet (2) is connected to the circulation pipeline (21a) through a water passage (3), and the water passage ( 3) It is arranged obliquely relative to the axis of the flow pipe (21a). 3. A pipeline hydroelectric power generation device according to claim 2, characterized in that, the water passage (3) and the impeller (8) are on the same level. 4. The pipeline hydroelectric power generation device according to claim 2 or 3, characterized in that, the included angle between the axis of the water passage (3) and the circulation pipeline (21a) is between 30°-60° between. 5. The pipeline hydroelectric power generation device according to claim 1, characterized in that, the impeller (8) comprises a disk (81), the center of which is fixed on the rotating shaft (7), and The disk (81) is provided with several blades (82) arranged in a spiral shape around the center of the disk (81). 6. The pipeline hydroelectric power generation device according to claim 5, characterized in that, the impeller (8) is fixedly connected with an annular rotor seat (61) for fixing the rotor (6), and the rotor seat (61) It is composed of upper and lower buckled annular covers (61a), and the above-mentioned rotor (6) is installed in the rotor seat (61). 7. The pipeline hydroelectric power generation device according to claim 1, characterized in that, the side of the separating plate (4) facing the upper chamber is provided with an annular stator seat (51), and the stator seat (51) The bottom cooperates with the through hole (41) on the isolation plate (4), and the above-mentioned stator (5) is sleeved on the outside of the stator seat (51). 8. The pipeline hydroelectric power generation device according to claim 7, characterized in that, the stator (5) comprises two annular silicon steel sheets (13) and a coil arranged between the two silicon steel sheets (13); The rotor (6) is an annular magnet. 9. The pipeline hydroelectric power generation device according to claim 7, characterized in that, the housing (1) is composed of a cylindrical shell body (1a) and two upper and lower sealing covers (1b), which are sealed The cover (1b) and the shell body (1a) are connected by screws (10), the isolation plate (4) is arranged between the upper and lower sealing covers (1b), and the sealing cover on the side of the stator (5) (1b) has a wire outlet on the top. 10. The pipeline hydroelectric power generation device according to claim 9, characterized in that, the water outlet is located on the upper sealing cover (1b) of the casing (1), and the top of the above-mentioned stator seat (51) is in contact with the water outlet Cooperate.

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