CN115414717B - Inside automatic filtration structure and motor of motor - Google Patents
Inside automatic filtration structure and motor of motor Download PDFInfo
- Publication number
- CN115414717B CN115414717B CN202211226635.4A CN202211226635A CN115414717B CN 115414717 B CN115414717 B CN 115414717B CN 202211226635 A CN202211226635 A CN 202211226635A CN 115414717 B CN115414717 B CN 115414717B
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- Prior art keywords
- filter
- rod
- pipeline
- section
- filter rod
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- 238000001914 filtration Methods 0.000 title claims abstract description 99
- 239000012535 impurity Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 23
- 239000000110 cooling liquid Substances 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000002609 medium Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 239000006163 transport media Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/26—Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides an automatic filtering structure in a motor and the motor. The automatic filtering structure comprises a filter shell, is arranged on the inner side of the inner wall of the motor, is provided with a through hole filtering channel and is provided with a filter cavity. The filter shell is provided with at least a filter hole A and a filter hole B which penetrate through the through hole filtering channel in the vertical direction, and the filter hole A and the filter hole B are respectively connected with a filter rod A and a filter rod B in a sliding manner; the filter rod A and the filter rod B at least comprise a filter section and a passing section which are distributed up and down; the filter cavity is internally provided with at least a piston cylinder, a piston cylinder driving mechanism, a limit connecting rod B connected with a piston of the piston cylinder, and a sliding block A and a sliding block B arranged on the limit connecting rod B; and one end of the piston driving mechanism is connected with the filtering channel, and the other end of the piston driving mechanism is connected with the piston cylinder and is used for driving the piston to drive the limiting connecting rod to move according to the pressure of the filtering channel. According to the invention, the automatic filtering structure is added in the motor, so that the self-cleaning function is realized, and impurities generated in the motor cavity can be continuously and effectively filtered.
Description
Technical Field
The invention belongs to the technical field of wet motors, and particularly relates to an automatic filtering structure in a motor and the motor.
Background
The high-power wet motor adopts internal independent circulation to cool and dissipate heat inside the motor. In the cooling circulation process, if impurities are generated in the motor cavity due to bearing abrasion and other reasons, the impurities cannot be timely discharged out of the motor cavity, so that the internal structure of the motor is further damaged by the internal circulation all the time, the motor is greatly damaged, and the service life of the motor is reduced.
In the prior art, no structure capable of automatically filtering the inside of the motor exists, and impurities in cooling liquid in the motor cannot be discharged in time.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides an automatic filtering structure in a motor and the motor, which can be used for optimizing the fact that impurities in cooling liquid in the motor cannot be discharged in time.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
the invention provides an automatic filtering structure in a motor, which comprises a filter shell, wherein the filter shell is arranged on the inner side of the inner wall of the motor, is provided with a through hole filtering channel and is provided with a filter cavity.
The filter shell is provided with at least a filter hole A and a filter hole B penetrating through the through hole filter channel in the vertical direction, the two ends of the filter hole A and the filter hole B are respectively connected with a medium conveying channel of a motor and the filter cavity, and the filter hole A and the filter hole B are respectively and slidably connected with a filter rod A and a filter rod B;
the filter rod A and the filter rod B at least comprise a filter section and a passing section which are distributed up and down;
the filter cavity is internally provided with at least a piston cylinder, a piston cylinder driving mechanism, a limit connecting rod B connected with a piston of the piston cylinder, and a sliding block A and a sliding block B arranged on the limit connecting rod B;
the filter rod A is in contact fit with the slide block A, the filter rod B is in contact fit with the slide block B, and the horizontal movement of the slide block A and the slide block B can be converted into the vertical movement of the filter rod A and the filter rod B, so that the passing section or the filtering section of the filter rod A or the filter rod B is positioned in the filtering channel flow passage. The sliding block A is matched with the sliding block B and can move along with the limit connecting rod B, so that the state that the filter rod A filtering section and the filter rod B passing section are positioned in the filtering channel flow channel is switched with the state that the filter rod A filtering section and the filter rod B filtering section are positioned in the filtering channel flow channel;
and one end of the piston driving mechanism is connected with the filtering channel, and the other end of the piston driving mechanism is connected with the piston cylinder and is used for driving the piston to drive the limiting connecting rod to move according to the pressure of the filtering channel.
The effects set above: according to the internal circulation cooling mode, cooling liquid in the motor cavity flows through the filtering channel, at the moment, the filtering section A and the filtering section B are positioned in the filtering channel flow channel through the sections, the cooling liquid is continuously filtered through the filtering section A, the filtering section B is positioned in the medium conveying channel, and the medium conveying channel can flush the filtering section B. When the accumulated impurities in the filtering section of the filter rod A are blocked to cause the liquid pressure in the filtering channel to rise, the liquid pressure is transmitted to the piston cylinder driving mechanism, and the switching state of the piston cylinder driving mechanism is that the filtering section of the filter rod A is positioned in the filtering channel flow channel through the filtering section and the filtering section of the filter rod B, and the filtering section of the filter rod A can be washed by the medium conveying channel, so that the medium conveying channel is circularly reciprocated.
Further, the piston cylinder is divided into a rod cavity and a rodless cavity by a piston;
the piston cylinder driving mechanism comprises an overflow valve, a two-position four-way electromagnetic reversing valve, a one-way valve, a pipeline A, a pipeline B, a pipeline C and a pipeline D;
pipeline A communicates filtration passageway and two-position four-way electromagnetic reversing valve, pipeline B communicates filtration passageway and two-position four-way electromagnetic reversing valve, pipeline C communicates two-position four-way electromagnetic reversing valve and piston cylinder have the pole chamber, pipeline D communicates two-position four-way electromagnetic reversing valve and piston cylinder no pole chamber.
When the two-position four-way electromagnetic reversing valve is at the left position, the pipeline A is communicated with the pipeline D, and the pipeline B is communicated with the pipeline C;
when the two-position four-way electromagnetic reversing valve is at the right position, the pipeline A is communicated with the pipeline C, and the pipeline B is communicated with the pipeline D;
the overflow valve is positioned in the middle of the pipeline A, and the pressure control path is the pressure of the filtering channel.
The one-way valve is positioned in the middle of the pipeline B and allows the two-position four-way electromagnetic reversing valve to flow to the filtering channel;
the limit connecting rod B is also provided with a limit switch B and a limit switch C;
the filter cavity is internally provided with at least a limit switch A matched with the limit switch B and a limit switch D matched with the limit switch C;
and the limit switch D controls the right position of the two-position four-way electromagnetic reversing valve. And the limit switch A controls the left position of the two-position four-way electromagnetic reversing valve.
The effects set above: when the accumulated impurities in the filtering section of the filter rod A are blocked, so that the liquid pressure in the filtering channel is increased, the liquid pressure is transmitted to the overflow valve, the overflow valve is communicated with the pipeline A, and at the moment, the liquid in the filtering channel flows into the rodless cavity of the piston cylinder through the pipeline A, the overflow valve and the left position of the two-position four-way electromagnetic reversing valve, and the pipeline D flows into the rodless cavity of the piston cylinder. The liquid in the rod cavity flows back to the filtering channel through the pipeline C, the left position of the two-position four-way electromagnetic reversing valve, the one-way valve and the pipeline B. The stress balance of the piston changes, and the piston drives the limit connecting rod B to translate leftwards. Since the filter rod B is in contact with the slider B, the filter rod a is in contact with the slider a. The leftward translation of the slider B and the slider a translates into an upward translation of the filter rod a and a downward translation of the filter rod B. The piston moves to the leftmost position, the bottom of the filter rod A is contacted with the top of the sliding block A, and the filter rod A is integrally positioned at the highest position. The filter rod A filter segment is positioned in the transport medium flow chamber, at which time the pump transport medium continuously flushes the filter rod A filter segment, and the filter rod A is positioned in the filter channel through the segment. The bottom of the filter rod B is contacted with the bottom of the sliding block B, and the whole filter rod B is positioned at the lowest position. Filter rod B the filter segment is located in the filter channel. The flow in the filtering channel is restored, the pressure is reduced, and the overflow valve is disconnected. Meanwhile, the limit switch C is in contact with the limit switch D, the limit switch D gives a signal to the right position of the two-position four-way electromagnetic reversing valve, and the two-position four-way electromagnetic reversing valve is switched to work at the right position, so that the two-position four-way electromagnetic reversing valve is circularly reciprocated to continuously filter and discharge impurities in the cooling liquid.
Further, the piston cylinder is arranged at the bottom side of the filter cavity through a fastener, and the piston is connected with the limit connecting rod B through the fastener.
The effects set above: the piston cylinder is connected with the filter cavity, the piston is connected with the limiting connecting rod B through the fastener, and the piston is firm in connection, detachable to install and convenient to overhaul and replace.
Further, the limit switch D is fixed on the inner wall of the filter shell B, and the limit switch A is fixed on the inner wall of the filter shell B through the limit connecting rod A.
Further, the sections of the sliding block B and the sliding block A are triangular.
The effects set above: the triangular sliding blocks can effectively lift the filter rod, and the lifting is smooth, and the moving speed of the filter rod is controllable.
Further, the filter housing is assembled from filter housing a and filter housing B.
The effects set above: the filter housing is assembled, and is convenient to move, disassemble, install and overhaul.
Further, the filter rod A and the filter rod B sequentially comprise a filter section, a blocking section and a passing section from top to bottom.
The effects set above: the arrangement of the blocking section is beneficial to preventing the cooling liquid between the medium conveying channel and the filtering channel from being communicated through the filtering rod, and provides a purifying effect.
Further, the height of the filtering section, the blocking section and the passing section is identical, and the height of the filtering section, the blocking section and the passing section are equal to the outer diameter of the filtering channel and the thickness of the inner wall of the motor.
The effects set above: the heights of the filtering section, the blocking section and the passing section are equal to the outer diameter of the filtering channel and the thickness of the inner wall of the motor, so that the switching among the sections is facilitated, and the liquid channeling between the medium conveying channel and the filtering channel is prevented.
In a second aspect, the present invention provides a wet motor comprising an automatic filtration structure inside the motor as described in the first aspect.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the automatic filtering structure is added in the motor and has a self-cleaning function, so that impurities generated in the motor cavity can be continuously and effectively filtered, the cooling and lubricating effects of cooling liquid in the motor cavity are ensured, the reliability of the motor is ensured, and the service life of the motor is prolonged.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention (left-hand operation);
FIG. 2 is a schematic diagram of an embodiment of the present invention (right operation);
FIG. 3 is an enlarged view of FIG. 1 at A;
fig. 4 is a schematic view of the installation position of the present embodiment in a wet motor.
Wherein: 1. a filter housing; 2. a filter rod A; 3. a filter rod B; 4. a piston cylinder; 5. a piston; 6. a sliding block B; 7. a sliding block A; 8. a limit switch A; 9. a limit switch B; 10. a limit switch C; 11. a limit switch D; 12. a limit connecting rod A; 13. a limit connecting rod B; 14. a pipeline A; 15. an overflow valve; 16. a pipeline B; 17. a one-way valve; 18. two-position four-way electromagnetic reversing valve; 19. a pipe C; 20. a pipeline D; 21. an inner wall of the motor; 22. a bearing gland;
101-a filtration channel; 102-a filter chamber; 103-filter aperture a; 104-filter aperture B; 111-filter housing a; 112-a filter housing B; 201-a filter rod A filter section; 202-filter rod a blocking section; 203-filter rod a through the segment; 301-a filter rod B filter section; 302-filter rod B blocking section; 303-filter rod B pass section; 2201-bearing gland aperture.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
In the description of the present embodiment, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are presented, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present embodiment and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present embodiment.
Embodiment one:
the embodiment provides an inside automatic filtration structure of motor, and the structure includes:
as shown in fig. 1, the filter housing 1 is mounted inside the motor inner wall 21, and the filter housing 1 is assembled by a filter housing a111 and a filter housing B112. A through-hole filter passage 101 is provided and has a filter chamber 102.
The piston cylinder 4 is mounted to the bottom side of the filter cavity 102 by using a fastener, the piston 5 is connected with the limit connecting rod B13 by using the fastener, the inner cavity of the piston cylinder 4 is divided into a rod cavity and a rodless cavity, the left cavity is the rod cavity, and the right cavity is the rodless cavity. Limit switch C10, slider A7, limit switch B9 and slider B6 are put into order from left to right on limit link B13.
Limit switch D11 is fixed at filter shell B112 inner wall, and limit connecting rod A12 right side is connected with limit switch A8.
The sections of the slide block B6 and the slide block A7 are triangular, and the filter rod A2 and the slide block A7 are in contact fit, so that the horizontal movement of the slide block A7 can be converted into the vertical movement of the filter rod A2. The filter rod B3 is in contact fit with the slide block B6, so that the horizontal movement of the slide block B6 can be converted into the vertical movement of the filter rod B3.
Filter rod A2 and filter rod B3 are divided into three parts from top to bottom, filter rod a filter segment 201, filter rod a choke segment 202, and filter rod a pass segment 203. And the three are identical in height and equal in thickness to the outer diameter of the filtering passage 101 and the inner wall 21 of the motor.
The filter housing 1 is provided with a filter hole a103 and a filter hole B104 in the vertical direction. The inner diameters of the filter holes A103 and B104 are identical to the outer diameters of the filter rods A2 and B3. The filter rod A2 can slide up and down along the filter hole a103, and the contact between the filter rod A2 and the filter hole a103 can play a role in sealing.
As shown in fig. 3, the pipe a14 is connected with the filtering passage 101 and the two-position four-way electromagnetic directional valve 18, the pipe B16 is connected with the filtering passage 101 and the two-position four-way electromagnetic directional valve 18, the pipe C19 is connected with the two-position four-way electromagnetic directional valve 18 and the piston cylinder 4, and the pipe D20 is connected with the two-position four-way electromagnetic directional valve 18 and the piston cylinder 4.
The overflow valve 15 is located in the middle of the pipeline A14, and the pressure control path is the pressure of the filtering channel 101, so that the filtering channel 101 is allowed to flow to the two-position four-way electromagnetic directional valve 18 according to the pressure of the filtering channel 101.
The one-way valve 17 is located in the middle of the pipeline B16, and allows the two-position four-way electromagnetic reversing valve 18 to flow to the filtering channel 101.
Limit switch D11 controls the right position of two-position four-way electromagnetic directional valve 18. Limit switch A8 controls the left position of two-position four-way electromagnetic directional valve 18.
The implementation principle is as follows:
as shown in fig. 1, in the drawing direction, according to the internal circulation cooling mode, the cooling liquid in the motor cavity flows through the filtering channel 101, at this time, the filtering rod a filtering section 201 and the filtering rod B filtering section 303 are located in the flow channel of the filtering channel 101, the cooling liquid is continuously filtered through the filtering rod a filtering section 201, the filtering rod B filtering section 301 is located in the medium conveying channel, and the medium conveying channel can wash the filtering rod B filtering section 301. When the accumulated impurities in the filtering section 201 of the filter rod A are blocked to cause the liquid pressure in the filtering passage 101 to rise, the liquid pressure is transmitted to the overflow valve 15, the overflow valve 15 is communicated with the pipeline A14, and at the moment, the liquid in the filtering passage 101 flows into the rodless cavity of the piston cylinder 4 through the pipeline A14, the overflow valve 15 and the two-position four-way electromagnetic directional valve 18 at the left position, and the pipeline D20. The liquid in the rod cavity flows back to the filtering channel 101 through the pipeline C19, the left position of the two-position four-way electromagnetic directional valve 18, the one-way valve 17 and the pipeline B16. The stress balance of the piston 5 changes, and the piston 5 drives the limit connecting rod B13 to translate leftwards. Since the filter rod B3 and the slider B6 are in contact, the filter rod A2 and the slider A7 are in contact. The leftward translation of the slide B6 and the slide A7 translates into an upward translation of the filter rod A2 and a downward translation of the filter rod B3. The piston 5 moves to the leftmost position, the bottom of the filter rod A2 is contacted with the top of the sliding block A7, and the filter rod A2 is positioned at the highest position as a whole. Filter rod a filter segment 201 is positioned within the transport media flow chamber, with the pump transport media continually flushing filter rod a filter segment 201 and filter rod a being positioned in filter channel 101 through segment 203. The bottom of the filter rod B3 is contacted with the bottom of the sliding block B6, and the whole filter rod B3 is positioned at the lowest position. Filter rod B filter segment 301 is located in filter channel 101. The flow in the filter channel 101 resumes, the pressure becomes smaller and the overflow valve 15 is opened. Meanwhile, the limit switch C10 is contacted with the limit switch D11, the limit switch D11 gives a signal to the right position of the two-position four-way electromagnetic directional valve 18, and the two-position four-way electromagnetic directional valve 18 is switched to work in the right position.
As shown in fig. 2, when the accumulated impurities in the filtering section 301 of the filter rod B are blocked to cause the liquid pressure in the filtering passage 101 to rise, the liquid pressure is transmitted to the overflow valve 15, and the overflow valve 15 communicates with the pipe a14, at this time, the liquid in the filtering passage 101 flows into the rod chamber of the piston cylinder 4 through the pipe a14, the overflow valve 15, the right position of the two-position four-way electromagnetic directional valve 18, and the pipe C19. The liquid in the rodless cavity flows back to the filter channel 101 through the pipeline D20, the right position of the two-position four-way electromagnetic directional valve 18, the one-way valve 17 and the pipeline B16. The stress balance of the piston cylinder 4 changes, and the piston 5 drives the limit connecting rod B13 to translate rightwards. Since the filter rod B3 and the slider B6 are in contact, the filter rod A2 and the slider A7 are in contact. The rightward translation of the slide B6 and the slide A7 translates into a downward translation of the filter rod A2 and an upward translation of the filter rod B3. The piston 5 moves to the rightmost position, the bottom of the filter rod A2 is contacted with the bottom of the sliding block A7, and the filter rod A2 is wholly positioned at the lowest position. The bottom of the filter rod B3 is contacted with the top of the sliding block B6, and the whole filter rod B3 is positioned at the lowest position. Filter rod B filter segment 301 is positioned within the transport medium flow chamber, with the pump transport medium continually flushing filter rod B filter segment 301 and filter rod B being positioned in filter channel 101 through segment 303. The flow in the filter channel 101 resumes, the pressure becomes smaller and the overflow valve 15 is opened. Meanwhile, the limit switch A8 is contacted with the limit switch B9, the limit switch A8 gives a signal to the left position of the two-position four-way electromagnetic directional valve 18, and the two-position four-way electromagnetic directional valve 18 is switched to work in the left position.
Embodiment two:
the present embodiment provides a wet motor, which includes the automatic filtering structure in the motor according to the first embodiment, specifically installed as shown in fig. 4, and disposed beside the bearing cover 22 and the bearing cover hole 2201, and the bearing cover hole 2201 is in communication with the filtering passage 101.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature, and in the description of the invention, "a plurality" means two or more, unless otherwise specifically and clearly defined.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the invention.
Claims (8)
1. An automatic filtering structure in a motor is characterized by comprising a filter shell, a filter cavity and a filter cover, wherein the filter shell is arranged on the inner side of the inner wall of the motor and is provided with a through hole filtering channel;
the filter shell is provided with at least a filter hole A and a filter hole B penetrating through the through hole filter channel in the vertical direction, the two ends of the filter hole A and the filter hole B are respectively connected with a medium conveying channel of a motor and the filter cavity, and the filter hole A and the filter hole B are respectively and slidably connected with a filter rod A and a filter rod B;
the filter rod A and the filter rod B at least comprise a filter section and a passing section which are distributed up and down;
the filter cavity is internally provided with at least a piston cylinder, a piston cylinder driving mechanism, a limit connecting rod B connected with a piston of the piston cylinder, and a sliding block A and a sliding block B arranged on the limit connecting rod B;
the piston cylinder is divided into a rod cavity and a rodless cavity by a piston;
the piston cylinder driving mechanism comprises an overflow valve, a two-position four-way electromagnetic reversing valve, a one-way valve, a pipeline A, a pipeline B, a pipeline C and a pipeline D;
the pipeline A is communicated with the filtering channel and the two-position four-way electromagnetic directional valve, the pipeline B is communicated with the filtering channel and the two-position four-way electromagnetic directional valve, the pipeline C is communicated with the two-position four-way electromagnetic directional valve and the piston cylinder with a rod cavity, and the pipeline D is communicated with the two-position four-way electromagnetic directional valve and the piston cylinder without a rod cavity;
when the two-position four-way electromagnetic reversing valve is at the left position, the pipeline A is communicated with the pipeline D, and the pipeline B is communicated with the pipeline C;
when the two-position four-way electromagnetic reversing valve is at the right position, the pipeline A is communicated with the pipeline C, and the pipeline B is communicated with the pipeline D;
the overflow valve is positioned in the middle of the pipeline A, and the pressure control path is the pressure of a filtering channel;
the one-way valve is positioned in the middle of the pipeline B and allows the two-position four-way electromagnetic reversing valve to flow to the filtering channel;
the limit connecting rod B is also provided with a limit switch B and a limit switch C;
the filter cavity is internally provided with at least a limit switch A matched with the limit switch B and a limit switch D matched with the limit switch C;
the limit switch D controls the right position of the two-position four-way electromagnetic reversing valve; the limit switch A controls the left position of the two-position four-way electromagnetic reversing valve;
when the automatic filter structure works at the left position, the filter rod A filter section and the filter rod B filter section are positioned in the filter channel flow channel, cooling liquid is continuously filtered through the filter rod A filter section, the filter rod B filter section is positioned in the medium conveying channel, and the medium conveying channel washes the filter rod B filter section; when impurities accumulated in the filtering section of the filter rod A are blocked to cause the pressure of liquid in the filtering channel to rise, the pressure of the liquid is transmitted to the overflow valve, the overflow valve is communicated with the pipeline A, and at the moment, the liquid in the filtering channel flows into the rodless cavity of the piston cylinder through the pipeline A, the overflow valve and the left position of the two-position four-way electromagnetic reversing valve, and the pipeline D flows into the rodless cavity of the piston cylinder; the liquid in the rod cavity flows back to the filtering channel through the pipeline C, the left position of the two-position four-way electromagnetic reversing valve, the one-way valve and the pipeline B; the stress balance of the piston changes, and the piston drives the limit connecting rod B to translate leftwards; the filter rod B is in contact with the sliding block B, and the filter rod A is in contact with the sliding block A; the leftward translation of the slide block B and the slide block A is converted into the upward translation of the filter rod A and the downward translation of the filter rod B; the piston moves to the leftmost position, the bottom of the filter rod A is contacted with the top of the sliding block A, and the filter rod A is integrally positioned at the highest position; the filter rod A filter section is positioned in the conveying medium flow cavity, at the moment, the pump conveying medium continuously flushes the filter rod A filter section, and the filter rod A is positioned in the filter channel through the section; the bottom of the filter rod B is contacted with the bottom of the sliding block B, and the whole filter rod B is positioned at the lowest position; the filter section of the filter rod B is positioned in the filter channel; the flow in the filtering channel is restored, the pressure is reduced, and the overflow valve is disconnected; meanwhile, the limit switch C is contacted with the limit switch D, the limit switch D gives a signal to the right position of the two-position four-way electromagnetic reversing valve, and the two-position four-way electromagnetic reversing valve is switched to work in the right position;
when the automatic filter structure works at the right position, the accumulated impurities in the filter section of the filter stick B are blocked to cause the liquid pressure in the filter channel to rise, the liquid pressure is transmitted to the overflow valve, the overflow valve is communicated with the pipeline A, and at the moment, the liquid in the filter channel flows into the rod cavity of the piston cylinder through the pipeline A, the overflow valve, the right position of the two-position four-way electromagnetic reversing valve and the pipeline C; the liquid in the rodless cavity flows back to the filtering channel through the pipeline D, the right position of the two-position four-way electromagnetic reversing valve, the one-way valve and the pipeline B; the stress balance of the piston cylinder changes, and the piston drives the limit connecting rod B to translate rightwards; the filter rod B is in contact with the sliding block B, and the filter rod A is in contact with the sliding block A; the rightward translation of the slide block B and the slide block A is converted into the downward translation of the filter rod A and the upward translation of the filter rod B; the piston moves to the rightmost position, the bottom of the filter rod A is contacted with the bottom of the sliding block A, and the filter rod A is integrally positioned at the lowest position; the bottom of the filter rod B is contacted with the top of the sliding block B, and the whole filter rod B is positioned at the lowest position; the filter rod B filter section is positioned in the conveying medium flow cavity, at the moment, the pump conveying medium continuously flushes the filter rod B filter section, and the filter rod B pass through the section and are positioned in the filter channel; the flow in the filtering channel is restored, the pressure is reduced, and the overflow valve is disconnected; meanwhile, the limit switch A is contacted with the limit switch B, the limit switch A gives a signal to the left position of the two-position four-way electromagnetic reversing valve, and the two-position four-way electromagnetic reversing valve is switched to work in the left position.
2. The automatic filter structure of the inside of the motor according to claim 1, wherein the piston cylinder is installed at the bottom side of the filter chamber by a fastener, and the piston is connected with the limit link B by a fastener.
3. The automatic filter structure inside the motor according to claim 1, wherein the limit switch D is fixed to the inner wall of the filter housing B, and the limit switch a is fixed to the inner wall of the filter housing B through a limit link a.
4. The automatic filter structure inside a motor according to claim 1, wherein the cross sections of the slider B and the slider a are triangular.
5. The automatic filter structure inside a motor according to claim 1, wherein the filter housing is assembled by a filter housing a and a filter housing B.
6. The automatic filter structure inside a motor according to claim 1, wherein the filter rod a and the filter rod B each comprise a filter section, a blocking section and a passing section from top to bottom in this order.
7. The automatic filter structure inside a motor according to claim 6, wherein the filter section, the blocking section and the passing section are identical in height and equal in thickness to the outer diameter of the filter passage and the inner wall of the motor.
8. A wet motor comprising an automatic filter structure inside the motor according to any one of claims 1-7.
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Application publication date: 20221202 Assignee: Hanzhong (Nanjing) Technology Co.,Ltd. Assignor: NANJING INSTITUTE OF TECHNOLOGY Contract record no.: X2024980000528 Denomination of invention: An automatic filtering structure inside the motor and the motor Granted publication date: 20230728 License type: Common License Record date: 20240112 |
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