An easily replaceable hydroelectric generator

Abstract

The invention discloses an easily replaceable hydraulic generator, which relates to the technical field of water flow generators. An external threaded tube is inserted into an internal threaded tube, and the external threaded tube is screwed on by threads. The upper end of the external threaded tube is fixed on the lower side wall of a motor housing. A motor back cover is provided on the upper side of the motor housing. The protrusion on the lower surface of the motor back cover is embedded in the opening on the upper side of the motor housing. A magnetic ring back cover is provided on the lower side of the center of the motor back cover. The protrusion on the lower side of the magnetic ring back cover is embedded in a column at the center of a stator. The center of the lower surface of the magnetic ring back cover is screwed on the upper end of a stainless steel shaft through a bearing. The lower end of the stainless steel shaft is inserted and fixed in the center of an impeller. A magnetic ring is sleeved on the outer side of a shaft sleeve, and the magnetic ring is located inside the column. Water flows directly through a water-passing body to push the impeller in the body to drive the magnetic ring to run at high speed. The stator cuts the magnetic field line to generate electricity without passing through the generator body, thereby ensuring that the water quality is not polluted. The invention has the advantages of reasonable arrangement and low manufacturing cost.

Description

Technical Field

[0001] The invention relates to the technical field of water flow generators, and in particular to an easily replaceable water power generator. Background Art

[0002] With the development of science and technology, people are improving their quality of life and advocating healthy drinking water. Hydroelectric generators are widely used in home appliances and machinery production such as showers, faucets, night views, direct drinking water lighting, etc. As we all know, hydroelectric power generation as a renewable clean energy is aimed at saving electricity resources. The micro hydroelectric generators currently on the market not only cannot guarantee the water quality, but also are not good for health in the long term. The structural design of the hydroelectric generators on the market is an integrated design. If the hydraulic motor body fails, the entire hydraulic motor must be replaced, resulting in increased terminal costs, inconvenient replacement of the hydraulic generator, and accessories causing environmental pollution. When the hydraulic motors on the market are at low pressure and small flow, they fail to convert the hydraulic work into power generation and waste hydraulic power. The existing hydraulic generators are encapsulated (micro-toxic such as epoxy resin) at the enameled wire to insulate it from water. For this reason, water will flow directly through the encapsulating glue, causing the clean water to be polluted and affecting the quality of drinking water. Long-term drinking will cause health problems, which urgently needs to be improved. Summary of the invention

[0003] The purpose of the present invention is to provide a hydraulic generator that is reasonably designed, easy to use and easy to replace in view of the defects and shortcomings of the prior art. The water flows directly through the water flow body to push the impeller inside the body to drive the magnetic ring to rotate at high speed. The stator cuts the magnetic field lines to generate electricity without passing through the generator body, thereby ensuring that the water quality is not polluted.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: it comprises a water-passing body, an impeller, a stainless steel shaft, a motor housing, a stator, a shaft sleeve, a magnetic ring, a magnetic ring rear cover and a motor rear cover, an internally threaded tube is embedded in the opening on the upper side wall of the water-passing body, the internally threaded tube and the water-passing body are an integrated structure, an externally threaded tube is inserted into the internally threaded tube, and is screwed on by threads, the upper end of the externally threaded tube is fixed on the lower side wall of the motor housing, the externally threaded tube and the motor housing are an integrated structure, a motor rear cover is provided on the upper side of the motor housing, and the lower end of the motor rear cover is provided with a The protrusion on the surface is embedded in the opening on the upper side of the motor housing. A magnetic ring rear cover is provided on the lower side of the center of the motor rear cover. The protrusion on the lower side of the magnetic ring rear cover is embedded in the column at the center of the stator. The stator is arranged inside the motor housing. The center of the lower surface of the magnetic ring rear cover is screwed to the upper end of the stainless steel shaft through a bearing. The lower end of the stainless steel shaft passes through the shaft sleeve, the bearing inside the lower side wall of the column, and the external threaded pipe in sequence, and is inserted and fixed in the center of the impeller. The impeller is suspended inside the water-passing body. A magnetic ring is sleeved on the outer side of the shaft sleeve, and the magnetic ring is located inside the column.

[0005] The above-mentioned stator also includes an arcuate body, a connecting plate and a winding. A step is provided on the lower end of the column, and the step is arranged in close contact with the inner hole on the lower side wall of the motor housing. The inner hole of the step is screwed to the stainless steel shaft through a bearing. Several connecting plates are fixed at equal angles on the outer ring wall of the column. Arcuate bodies are fixed on the outer sides of the connecting plates. Windings are wound on the connecting plates. After the terminal wires of the windings are connected to the conducting wires, they pass through the through holes on the rear cover of the motor.

[0006] Furthermore, a baffle is provided on the right side inside the water flow body, the outer edge of the baffle is fixedly connected to the inner wall of the water flow body, and a plurality of fine holes are equidistantly provided on the baffle.

[0007] Furthermore, a sealing ring is sleeved on the upper end of the outer side wall of the external threaded tube, and the outer side wall of the sealing ring is arranged to abut against the inner side wall of the upper side of the internal threaded tube.

[0008] Furthermore, a number of No. 1 convex bodies are equiangularly arranged on the raised outer peripheral wall of the lower side of the magnetic ring back cover, the No. 1 convex body and the magnetic ring back cover are an integrated structure, and the No. 1 convex body is arranged to abut against the inner side wall of the upper side of the cylinder.

[0009] Furthermore, a number of No. 2 convex bodies are fixed at equal angles on the raised outer peripheral wall on the lower side of the motor rear cover. The No. 2 convex body and the motor rear cover are an integrated structure, and the No. 2 convex body is arranged to abut against the inner wall of the upper opening of the motor housing.

[0010] Furthermore, a No. 1 gasket is sleeved on the upper end of the stainless steel shaft, and the upper surface of the No. 1 gasket is in contact with the groove in the center of the rear cover of the magnetic ring. A No. 2 gasket is sleeved on the middle end of the stainless steel shaft, and the upper surface of the No. 2 gasket is in contact with the lower end of the magnetic ring.

[0011] Furthermore, the interior of the motor housing is filled with epoxy resin.

[0012] After adopting the above structure, the beneficial effects of the present invention are:

[0013] 1. The water flows directly through the water body to push the impeller inside the body to drive the magnetic ring to rotate at high speed. The stator cuts the magnetic field line to generate electricity without passing through the generator body, ensuring that the water quality is not polluted;

[0014] 2. The motor housing is connected to the internal threaded pipe on the water-passing body through an external threaded pipe, which is convenient for replacement and reduces costs;

[0015] 3. A baffle is provided on the right side of the water flow body, and a number of holes are opened on the baffle to achieve the effect of pressurization. When the pressure is low and the flow rate is small, the hydraulic work can also be converted into power generation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention.

[0017] Figure 2 It is an exploded view of the present invention.

[0018] Figure 3 It is a front cross-sectional view of the present invention.

[0019] Figure 4 for Figure 3 Enlarged view of part A in the middle.

[0020] Figure 5 It is a right side view of the water passing body in the present invention.

[0021] Figure 6 It is a schematic diagram of the structure of the stator in the present invention.

[0022] Figure 7 It is a schematic diagram of the connection between the arc-surface body and the column in the present invention.

[0023] Figure 8 It is a schematic diagram of the structure of the rear cover of the motor in the present invention.

[0024] Fig. 9 It is a schematic diagram of the structure of the magnetic ring back cover in the present invention.

[0025] Fig.10 It is a structural schematic diagram of the impeller in the present invention.

[0026] Fig.11 It is a schematic diagram of the bottom structure of the stator in the present invention.

[0027] Fig.12 It is a schematic diagram of the structure of the motor housing in the present invention.

[0028] Fig.13 This is a preliminary exploded view of the present invention.

[0029] Description of reference numerals:

[0030] Water-passing body 1, impeller 2, stainless steel shaft 3, motor housing 4, stator 5, cylinder 5-1, arc surface body 5-2, connecting plate 5-3, winding 5-4, step 5-5, sleeve 6, magnetic ring 7, magnetic ring back cover 8, motor back cover 9, baffle 10, fine hole 11, internal threaded tube 12, external threaded tube 13, sealing ring 14, No. 1 convex body 15, No. 2 convex body 16, No. 1 gasket 17, No. 2 gasket 18. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] like Figure 1-Figure 13As shown, this specific embodiment adopts the following technical scheme: it includes a water flow body 1, an impeller 2, a stainless steel shaft 3, a motor housing 4, a stator 5, a sleeve 6, a magnetic ring 7, a magnetic ring back cover 8 and a motor back cover 9. A baffle 10 is provided on the right side of the inside of the water flow body 1. The outer edge of the baffle 10 is welded and fixed to the inner side wall of the water flow body 1. A number of fine holes 11 are equidistantly provided on the baffle 10. An internal threaded tube 12 is embedded in the opening on the upper side wall of the water flow body 1. The internal threaded tube 12 is integrally formed with the water flow body 1. An external threaded tube 13 is inserted into the internal threaded tube 12 and is screwed on by threads. The upper end of the external threaded tube 13 is arranged on the lower side wall of the motor housing 4. The external threaded tube 13 is integrally formed with the motor housing 4. A sealing ring 14 is sleeved on the upper end of the outer side wall of the external threaded tube 13. The outer side wall of the sealing ring 14 is set in contact with the inner side wall of the upper side of the internal threaded tube 12, and the outer threaded tube 13 and the internal threaded tube 12 are increased. In order to improve the sealing performance between the motor and the motor, a motor back cover 9 is provided on the upper side of the motor housing 4. The protrusion on the lower surface of the motor back cover 9 is embedded in the opening on the upper side of the motor housing 4. A number of No. 2 convex bodies 16 are provided at equal angles on the outer peripheral wall of the protrusion on the lower side of the motor back cover 9. The No. 2 convex body 16 is integrally formed with the motor back cover 9. The No. 2 convex body 16 is set in contact with the inner side wall of the opening on the upper side of the motor housing 4 to increase the stability of the motor back cover 9. The interior of the motor housing 4 is filled with epoxy. Resin, a magnetic ring back cover 8 is provided on the lower side of the center of the motor back cover 9, and a number of No. 1 convex bodies 15 are provided at equal angles on the convex outer peripheral wall of the lower side of the magnetic ring back cover 8, and the No. 1 convex body 15 and the magnetic ring back cover 8 are integrally formed, and the No. 1 convex body 15 is set against the inner side wall of the upper side of the column 5-1 to increase the stability of the magnetic ring back cover 8, and the convexity on the lower side of the magnetic ring back cover 8 is embedded in the column 5-1 at the center of the stator 5, and the stator 5 is set inside the motor housing 4;The stator 5 also includes an arcuate body 5-2, a connecting plate 5-3 and a winding 5-4. A step 5-5 is integrally formed on the lower end of the column 5-1. The step 5-5 is arranged in close contact with the inner hole on the lower side wall of the motor housing 4. The inner hole of the step 5-5 is screwed to the stainless steel shaft 3 through a bearing. The bearing is embedded in the inner hole of the step 5-5, and its outer ring is welded to the inner side wall of the inner hole of the step 5-5, and its inner ring is welded to the stainless steel shaft 3. Several connecting plates 5-3 are welded and fixed at equal angles on the outer ring wall, and arc bodies 5-2 are welded and fixed on the outer sides of the connecting plates 5-3. Windings 5-4 are wound around the connecting plates 5-3. The terminal wires of the windings 5-4 pass through the through holes on the motor rear cover 9 and are connected to the wires. The center of the lower surface of the magnetic ring rear cover 8 is screwed to the upper end of the stainless steel shaft 3 through a bearing. The bearing is embedded in the lower surface of the magnetic ring rear cover 8, and its outer ring is welded and fixed to the lower surface of the magnetic ring rear cover 8. Its inner ring is welded and fixed to the upper end of the stainless steel shaft 3. The lower end of the stainless steel shaft 3 passes through the sleeve 6, the bearing inside the protrusion on the lower side wall of the column 5-1, and the external threaded tube 13 in sequence, and is inserted and fixed in the center of the impeller 2. The bearing is embedded in the protrusion on the lower side wall of the column 5-1. The protrusion is integrally formed with the column 5-1. The outer ring of the bearing is welded and fixed to the inner side wall of the protrusion, and its inner ring is welded and fixed to the middle end of the stainless steel shaft 3. The impeller 2 is suspended on the water-passing body. 1, the protrusion on the lower side wall of the column 5-1 is inserted and welded to the lower side wall of the motor housing 4, the outer side of the shaft sleeve 6 is sleeved with a magnetic ring 7, and the magnetic ring 7 is located inside the column 5-1. The upper end of the stainless steel shaft 3 is sleeved with a No. 1 gasket 17, and the upper surface of the No. 1 gasket 17 abuts against the groove in the center of the magnetic ring back cover 8. The middle end of the stainless steel shaft 3 is sleeved with a No. 2 gasket 18, and the upper surface of the No. 2 gasket 18 abuts against the lower end of the magnetic ring 7. ;

[0033] The working principle of this specific implementation method is as follows: during installation, first press the sleeve 6 into the interior of the magnetic ring 7, and then press the stainless steel shaft 3 into the sleeve 6, so that the magnetic ring 7, the sleeve 6 and the stainless steel shaft 3 are assembled into one by interference fit, and then insert the No. 2 gasket 18 into the stainless steel shaft 3 to the surface of the magnetic ring 7, and then embed the No. 1 gasket 17 into the groove of the magnetic ring back cover 8, and then press the bearing at the upper end of the stainless steel shaft 3 into the back cover 8 of the magnetic ring 7, and press the bearing on the lower end of the stainless steel shaft 3 into the lower side wall of the column 5-1, and then wind the winding 5-4 on the connecting plate 5-3, and connect the terminal wire of the winding 5-4 to the wire. At this time, the stator 5 is assembled, and then the step at the lower end of the stator 5 is inserted into the inner hole on the lower side wall of the motor housing 4, and then the magnetic ring back cover 8 is covered on the stator. 5, the terminal wire on the stator 5 passes through the motor back cover 9 and is exposed on the upper side of the motor back cover 9 for easy connection. Then the motor back cover 9 is covered. Finally, the lower end of the stainless steel shaft 3 passes through the upper side wall of the water-passing body 1 and is inserted into the impeller 2. The motor back cover 9 is screwed with the water-passing body 1, and the assembly is completed. The right end of the water-passing body 1 is the water inlet end, which is connected to the external water source. Water flows from the right side to the left side of the water-passing body 1. When passing through the pores 11 during the flow, the pressure of the water flow is increased, thereby providing power to the impeller 2, driving the impeller 2 to rotate. The impeller 2 drives the stainless steel shaft 3 to rotate, and the stainless steel shaft 3 drives the magnetic ring 7 to rotate through the shaft sleeve 6. The shaft sleeve 6 is pressed in the middle hole of the magnetic ring 7, and is connected to the stainless steel shaft 3 through the shaft sleeve 6 to increase the stability of the magnetic ring 7.

[0034] After adopting the above structure, the beneficial effects of this specific implementation are as follows:

[0035] 1. The water flows directly through the water body 1 to push the impeller 2 in the body to drive the magnetic ring 7 to rotate at high speed. The stator 5 cuts the magnetic field line to generate electricity without passing through the generator body, ensuring that the water quality is not polluted;

[0036] 2. The motor housing 4 is connected to the internal threaded tube 12 on the water flow body 1 through the external threaded tube 13, which is convenient for replacement and reduces costs;

[0037] 3. A baffle 10 is provided on the right side of the water-passing body 1. The baffle 10 is provided with a plurality of holes, which can achieve the effect of pressurization. When the pressure is low and the flow rate is small, the hydraulic work can also be converted into power generation;

[0038] 4. A plurality of No. 1 convex bodies 15 are provided on the protrusion on the lower side of the magnetic ring rear cover 8, and the No. 1 convex bodies 15 can contact with the inner side wall of the upper side of the column 5-1 to increase the tight fit between the magnetic ring rear cover 8 and the stator 5;

[0039] 5. A plurality of No. 2 convex bodies 16 are provided on the protrusion on the lower side of the motor rear cover 9 , and the No. 2 convex bodies 16 can abut against the inner side wall on the upper side of the motor housing 4 , thereby increasing the tightness between the motor rear cover 9 and the motor housing 4 .

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An easily replaceable hydroelectric generator, characterized in that: It comprises a water-passing body (1), an impeller (2), a stainless steel shaft (3), a motor housing (4), a stator (5), a shaft sleeve (6), a magnetic ring (7), a magnetic ring rear cover (8) and a motor rear cover (9); an internally threaded tube (12) is embedded in an opening on the upper side wall of the water-passing body (1); the internally threaded tube (12) and the water-passing body (1) are an integrated structure; an externally threaded tube (13) is inserted into the internally threaded tube (12) and is screwed together by threads; the upper end of the externally threaded tube (13) is fixed to the lower side wall of the motor housing (4); the externally threaded tube (13) and the motor housing (4) are an integrated structure; a motor rear cover (9) is provided on the upper side of the motor housing (4); a protrusion on the lower surface of the motor rear cover (9) is embedded in A magnetic ring rear cover (8) is provided at the lower side of the center of the motor rear cover (9) in the opening on the upper side of the motor housing (4). The protrusion on the lower side of the magnetic ring rear cover (8) is embedded in the column (5-1) at the center of the stator (5). The stator (5) is arranged inside the motor housing (4). The center of the lower surface of the magnetic ring rear cover (8) is screwed to the upper end of the stainless steel shaft (3) through a bearing. The lower end of the stainless steel shaft (3) passes through the shaft sleeve (6), the bearing inside the lower side wall of the column (5-1), and the external threaded tube (13) in sequence, and is inserted and fixed in the center of the impeller (2). The impeller (2) is suspended inside the water-passing body (1). A magnetic ring (7) is sleeved on the outer side of the shaft sleeve (6). The magnetic ring (7) is located inside the column (5-1). The stator (5) further comprises an arcuate body (5-2), a connecting plate (5-3) and a winding (5-4); a step (5-5) is provided on the lower end of the column (5-1); the step (5-5) is arranged in close contact with the inner hole on the lower side wall of the motor housing (4); the inner hole of the step (5-5) is screwed to the stainless steel shaft (3) through a bearing; a plurality of connecting plates (5-3) are fixed at equal angles on the outer ring wall of the column (5-1); an arcuate body (5-2) is fixed on the outer side of each connecting plate (5-3); windings (5-4) are wound on each connecting plate (5-3); and the terminal wires of the windings (5-4) are connected to the lead wires and then pass through the through holes on the rear cover (9) of the motor; A baffle (10) is provided on the right side of the water-passing body (1), the outer edge of the baffle (10) is fixedly connected to the inner wall of the water-passing body (1), and a plurality of fine holes (11) are equidistantly provided on the baffle (10); A plurality of No. 1 convex bodies (15) are provided at equal angles on the raised outer peripheral wall on the lower side of the magnetic ring back cover (8), and the No. 1 convex body (15) and the magnetic ring back cover (8) are an integrated structure. The No. 1 convex body (15) is arranged to abut against the inner side wall of the upper side of the column (5-1), thereby increasing the tightness between the magnetic ring back cover (8) and the column (5-1); A plurality of No. 2 convex bodies (16) are fixed at equal angles on the raised outer peripheral wall on the lower side of the motor rear cover (9). The No. 2 convex bodies (16) and the motor rear cover (9) are an integrated structure. The No. 2 convex bodies (16) are arranged to abut against the inner side wall of the upper opening of the motor housing (4), thereby increasing the tightness between the motor rear cover (9) and the motor housing (4).

2. The easily replaceable hydroelectric generator according to claim 1, characterized in that: A sealing ring (14) is sleeved on the upper end of the outer side wall of the external threaded tube (13), and the outer side wall of the sealing ring (14) is arranged to abut against the inner side wall of the upper side of the internal threaded tube (12), so that the gap between the external threaded tube (13) and the internal threaded tube (12) is sealed by the sealing ring (14).

3. The easily replaceable hydroelectric generator according to claim 1, characterized in that: The upper end of the stainless steel shaft (3) is sleeved with a No. 1 gasket (17), the upper surface of which is in contact with the groove in the center of the magnetic ring rear cover (8), and the middle end of the stainless steel shaft (3) is sleeved with a No. 2 gasket (18), the upper surface of which is in contact with the lower end of the magnetic ring (7), thereby increasing the tightness between the upper end of the stainless steel shaft (3) and the magnetic ring rear cover (8) and the tightness between the middle end of the stainless steel shaft (3) and the lower side wall of the column (5-1).

4. The easily replaceable hydroelectric generator according to claim 1, characterized in that: The interior of the motor housing (4) is filled with epoxy resin and is insulated from the outside world by the epoxy resin.

5. The easily replaceable hydroelectric generator according to claim 1, characterized in that: Its working principle is as follows: during installation, the shaft sleeve (6) is first pressed into the interior of the magnetic ring (7), and then the stainless steel shaft (3) is pressed into the shaft sleeve (6), so that the three parts of the magnetic ring (7), the shaft sleeve (6) and the stainless steel shaft (3) are assembled into one piece by interference fit, and then the bearing at the upper end of the stainless steel shaft (3) is pressed into the rear cover (8) of the magnetic ring (7), and the bearing at the lower end of the stainless steel shaft (3) is pressed into the lower side wall of the column (5-1), and then the winding wire (5-4) is wound on the connecting plate (5-3), and the terminal wire of the winding wire (5-4) is connected to the conductor. At this time, the stator (5) is assembled, and then the step at the lower end of the stator (5) is inserted into the inner hole on the lower side wall of the motor housing (4), and then the rear cover (8) of the magnetic ring is covered on the stator (5), and the terminal wire on the stator (5) passes through the rear cover (9) of the motor, and then the terminal wire on the stator (5) is exposed. The upper side of the motor rear cover (9) is convenient for connection, and then the motor rear cover (9) is covered. Finally, the lower end of the stainless steel shaft (3) is inserted into the impeller (2) after passing through the upper side wall of the water passing body (1). The motor rear cover (9) is screwed to the water passing body (1), and the assembly is completed. The right end of the water passing body (1) is the water inlet end, which is connected to the external water source. Water flows from the right side to the left side of the water passing body (1). When passing through the fine hole (11) during the flow, the pressure of the water flow is increased, thereby providing power to the impeller (2), driving the impeller (2) to rotate. The impeller (2) drives the stainless steel shaft (3) to rotate. The stainless steel shaft (3) drives the magnetic ring (7) to rotate through the shaft sleeve (6). The shaft sleeve (6) is pressed in the middle hole of the magnetic ring (7), and is connected to the stainless steel shaft (3) through the shaft sleeve (6), thereby increasing the stability of the magnetic ring (7).

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