CN109307094B - Micro air flow regulating valve and regulating method thereof - Google Patents
Micro air flow regulating valve and regulating method thereof Download PDFInfo
- Publication number
- CN109307094B CN109307094B CN201811380693.6A CN201811380693A CN109307094B CN 109307094 B CN109307094 B CN 109307094B CN 201811380693 A CN201811380693 A CN 201811380693A CN 109307094 B CN109307094 B CN 109307094B
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- air inlet
- air
- valve
- inlet pipe
- valve core
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 230000009286 beneficial effect Effects 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 238000013519 translation Methods 0.000 claims description 4
- 238000004378 air conditioning Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 239000007788 liquid Substances 0.000 description 12
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
- Lift Valve (AREA)
Abstract
The invention relates to a micro air flow regulating valve and a regulating method thereof, wherein the micro air flow regulating valve comprises a valve seat with an air outlet at one end, an air inlet pipe communicated with the air outlet is fixedly connected to the valve seat, an air inlet slit for facilitating air inflow is formed in the side wall of the air inlet pipe, and a valve core which is driven by a driving mechanism to axially move and is used for regulating the flow area of the air inlet slit is arranged in the air inlet pipe in a penetrating manner. The invention has simple and reasonable structural design, utilizes the driving mechanism to drive the valve core to axially move in the air inlet pipe, realizes the adjustment of the flow area of the air inlet slit on the air inlet pipe, further realizes the tiny adjustment of air flow, and has convenient use and high adjustment precision.
Description
Technical field:
the invention belongs to the field of control valves, and particularly relates to a micro air flow regulating valve with air pressure at an air outlet end being smaller than air pressure at an air inlet end and a regulating method thereof.
The background technology is as follows:
flow controllers are an indispensable device in the process of injecting liquid from one container to another, and are widely used in various fields. Currently, most of the existing liquid flow controllers are various valve devices installed on a liquid output pipeline, such as butterfly valves, diaphragm valves, angle-type regulating valves, one-way regulating valves, electromagnetic valves, and the like. However, the valves all adopt valve plates to adjust the opening of the gas pipeline, so that the problem that the flow rate of the gas in the pipeline is changed too much exists, and the valve plates have low adjustment precision and poor stability, cannot be suitable for the adjustment of micro flow and cannot meet the use requirement.
The invention comprises the following steps:
the invention aims at improving the problems existing in the prior art, namely the technical problem to be solved by the invention is to provide the micro air flow regulating valve applied to the output regulation of the liquid flow and the regulating method thereof, which not only have reasonable structure, but also have good regulating effect.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides a little air flow control valve, includes the disk seat that one end was equipped with the venthole, the intake pipe that is linked firmly with the venthole on the disk seat, the air inlet slit that is in favor of the air inflow has been seted up to the lateral wall of intake pipe, and the case that is used for adjusting the flow area of air inlet slit along axial displacement by actuating mechanism drive is worn to be equipped with to the inside of intake pipe.
Further, an air inlet cavity is arranged at one end, close to the air outlet hole, of the valve seat, a valve cavity is arranged at one end, far away from the air outlet hole, the air inlet cavity is communicated with the air outlet hole through an air inlet channel, and the air inlet pipe is fixed in the air inlet cavity, and one end of the air inlet pipe is inserted into the air inlet channel to realize communication; the valve cavity is internally provided with a valve core fixing seat fixedly connected with the valve core, and the valve core fixing seat is connected with the driving mechanism.
Further, a positioning groove for accommodating the air inlet pipe is transversely formed in one end, close to the air inlet channel, of the bottom surface of the air inlet cavity, the cross section of the positioning groove is semicircular, a compression through hole penetrating vertically is formed in the side of the positioning groove, the compression through hole is communicated with the edge of the positioning groove, and the air inlet pipe is radially compressed in the positioning groove through the cooperation of a compression screw penetrating the compression through hole and a nut; and a positioning through hole which is beneficial to the air inlet pipe to pass through and realize positioning is formed in the side wall between the air inlet cavity and the valve cavity.
Further, an air-permeable dustproof cover is covered outside the opening of the air inlet cavity, and an air filter disc is attached to the air-permeable dustproof cover.
Further, a square slotted hole which is beneficial to the valve core fixing seat to transversely pass through is formed in one side wall of the valve cavity, which is far away from the air inlet cavity; the driving mechanism comprises a bracket which is positioned outside the square slotted hole and provided with a cantilever part, a horizontal U-shaped mounting frame is fixed on the cantilever part of the bracket, a driving motor with an output shaft penetrating through the mounting frame from right to left is transversely arranged at the right end of the mounting frame, and a driving screw with the right end fixedly connected with the output shaft and with a screw part penetrating through the cantilever part from right to left is arranged in the mounting frame and connected with a valve core fixing seat.
Further, the screw part of the driving screw is in threaded connection with the valve core fixing seat; the support is provided with a guide groove for forming a transverse sliding pair with the valve core fixing seat.
Further, the rear side of the support is fixedly connected with a circuit board, and infrared geminate transistors positioned on the upper side and the lower side of the valve core fixing seat are arranged on the circuit board.
Further, the air inlet slit extends along the axial direction of the air inlet pipe.
Further, the inner diameter of the air inlet pipe is 0.2-10 mm; the width of the air inlet slit is 0.01-0.2 mm, and the length is 0.5-30 mm; the diameter of the valve core and the fit clearance of the air inlet pipe are 0.01-0.1 mm.
The invention adopts another technical scheme that: the regulating method of the micro air flow regulating valve comprises the following steps of: the driving mechanism drives the valve core to translate along the axial direction in the air inlet pipe, and the translation of the valve core is utilized to adjust the flow area of an air inlet slit in the air inlet pipe, so that the air conditioning is realized.
Compared with the prior art, the invention has the following effects: the invention has simple and reasonable structural design, utilizes the driving mechanism to drive the valve core to axially move in the air inlet pipe, realizes the adjustment of the flow area of the air inlet slit on the air inlet pipe, further realizes the tiny adjustment of air flow, and has convenient use and high adjustment precision.
Description of the drawings:
FIG. 1 is a schematic view of a front cross-sectional configuration of an embodiment of the present invention;
FIG. 2 is a schematic perspective view of an embodiment of the present invention;
FIG. 3 is a schematic diagram of an exploded view of an embodiment of the present invention;
FIG. 4 is a schematic view of the drive mechanism in an embodiment of the invention;
FIG. 5 is a schematic view of a valve core holder according to an embodiment of the present invention;
fig. 6 is a schematic view of the construction of an intake pipe in the embodiment of the invention;
FIG. 7 is a schematic representation of the use of an embodiment of the present invention.
In the figure:
1-valve seat; 2-air outlet holes; 3-an air inlet pipe; 4-air inlet fine seams; 5-valve core; 6-an air inlet cavity; 7-valve cavity; 8-an air intake passage; 9-a valve core fixing seat; 10-positioning grooves; 11-compacting the through holes; 12-pressing a screw; 13-a valve core mounting hole; 14-locking through holes; 15-square holes A; 16-locking bolts; 17-locking nut; 18-square slotted holes; 19-a bracket; 20-mounting rack; 21-a drive motor; 22-driving a screw; 23-screw mounting holes; 24-square holes B; 25-moving the nut; 26-a guide groove; 27-a circuit board; 28-infrared geminate transistors; 29-standard ball; 30-overflow pipe; 31-overflow port; 32-overflow electromagnetic valve; 33-water inlet pipe; 34-a water outlet pipe; 35-a water outlet electromagnetic valve; 36-a water pump; 37-breathable dust cover.
The specific embodiment is as follows:
the invention will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1 to 6, the micro air flow regulating valve for the airtight liquid flow system comprises a valve seat 1 with an air outlet hole 2 at one end, wherein an air inlet pipe 3 which is communicated with the air outlet hole 2 and is transversely arranged is fixedly connected to the valve seat 1, an air inlet slit 4 which is beneficial to air inflow is formed in the side wall of the air inlet pipe 3, and a valve core 5 which is driven by a driving mechanism to axially move and is used for regulating the flow area of the air inlet slit 4 is arranged in the air inlet pipe 3 in a penetrating manner. When the air inlet valve is used, the air outlet hole 2 on the valve seat 1 is connected with the airtight liquid flow system, when the output end of the liquid flow system outputs liquid, the pressure of the air outlet hole on the valve seat is smaller than the atmospheric pressure, so that air in the atmosphere can flow into an air inlet slot on the air inlet pipe, and the air flows into the liquid flow system through the air outlet hole, and the size of the liquid output flow can be controlled by controlling the inlet air, namely: when the valve core moves under the driving of the driving mechanism, the flow area of the air inlet gap is increased, so that more air is sucked into the air inlet gap, the output flow of liquid is increased, and otherwise, the output flow of liquid is reduced.
In this embodiment, an air inlet cavity 6 is disposed at one end of the valve seat 1 near the air outlet hole 2, a valve cavity 7 is disposed at one end of the valve seat far away from the air outlet hole 2, the air inlet cavity 6 is communicated with the air outlet hole 2 via an air inlet channel 8, the air inlet pipe 3 is fixed in the air inlet cavity 6, one end of the air inlet pipe is inserted into the air inlet channel 8, so as to realize communication, and air in the air inlet pipe 3 conveniently flows into the air outlet hole 2 via the air inlet channel 8; the valve cavity 7 is internally provided with a valve core fixing seat 9 fixedly connected with the valve core 5, and the valve core fixing seat 9 is connected with a driving mechanism.
In this embodiment, a positioning groove 10 for accommodating the air inlet pipe 3 is transversely formed at one end, close to the air inlet channel 8, on the bottom surface of the air inlet cavity 6, the cross section of the positioning groove 10 is in a semicircular shape, a compression through hole 11 penetrating vertically is formed at the side of the positioning groove 10, the compression through hole 11 is communicated with the edge of the positioning groove 10, and the air inlet pipe 3 is compressed in the positioning groove 10 in the radial direction through the cooperation of a compression screw 12 penetrating the compression through hole 11 and a nut, so as to fix the air inlet pipe 3; a positioning through hole which is beneficial to the air inlet pipe 3 to pass through and realize positioning is formed in the side wall between the air inlet cavity 6 and the valve cavity 7.
In this embodiment, an air-permeable dust cover is covered outside the opening of the air inlet cavity 6, and an air filter sheet is attached to the air-permeable dust cover; through ventilative dust cover and air filter piece combining together, can filter the air around the chamber that admits air, avoid impurity in the air to block up the fine seam that admits air.
In this embodiment, in order to realize the fixation of the valve core fixing seat and the valve core, a valve core mounting hole 13 for facilitating the insertion of the valve core 5 along a transverse direction and a locking through hole 14 penetrating the valve core mounting hole 13 along a longitudinal direction are provided on one end of the valve core fixing seat 9, a square hole a15 penetrating the valve core fixing seat 9 along a vertical direction is communicated with one end of the locking through hole 14, and a locking bolt 16 for propping against the valve core 5 is penetrated in the locking through hole 14; a lock nut 17 is arranged in the square hole A15, and the lock nut 17 is in threaded connection with the lock bolt 16 to realize locking and fixing. It should be noted that the valve core and the valve core fixing seat can also adopt another connection mode, namely: the valve core fixing seat is provided with a valve core mounting hole 13 which is used for facilitating the transverse insertion of the valve core 5 at one end close to the air inlet cavity 6, the front side surface or the rear side surface of the valve core fixing seat is longitudinally provided with a locking screw hole communicated with the valve core mounting hole, and a locking bolt used for propping against the valve core is screwed in the locking screw hole.
In this embodiment, a square slot 18 is formed in a side wall of the valve cavity 7 away from the air inlet cavity 6, so as to facilitate the valve core fixing seat 9 to pass through in a transverse direction; the driving mechanism comprises a bracket 19 which is positioned outside a square slotted hole 18 and provided with a cantilever part, the bracket 19 is fixedly connected with the valve seat 1 through bolts, a horizontal U-shaped mounting frame 20 is fixed on the cantilever part of the bracket 19 through bolts, a driving motor 21 of which an output shaft penetrates through the mounting frame from right to left is transversely arranged at the right end of the mounting frame 20, and a driving screw 22 of which the right end is fixedly connected with the output shaft and a screw part penetrates through the cantilever part from right to left and is connected with the valve core fixing seat 9 is arranged in the mounting frame 20.
In this embodiment, the right end of the driving screw 22 is cylindrical and is detachably connected to the output shaft of the driving motor 21. In order to facilitate the disassembly and assembly of the driving screw, the right end of the driving screw is axially provided with a slot for the insertion of a motor shaft of the driving motor, and the side wall of the right end of the driving screw is provided with a threaded hole penetrating into the slot and used for being in threaded connection with a set screw, so that the driving screw and the output shaft of the driving motor can be disassembled and assembled quickly.
Preferably, the driving motor 21 is a stepping motor.
In the embodiment, the screw part of the driving screw is in threaded connection with the valve core fixing seat; the support is provided with a guide groove for forming a transverse sliding pair with the valve core fixing seat so as to provide a guide effect for the movement of the valve core fixing seat 9.
In this embodiment, in order to realize threaded connection between the screw portion of the driving screw and the valve core fixing seat, a screw mounting hole 23 for facilitating insertion of the screw portion of the driving screw 22 along a transverse direction is provided on one end of the valve core fixing seat 9, one end of the screw mounting hole 23 is communicated with a square hole B24 vertically penetrating through the valve core fixing seat 9, a moving nut 25 is provided in the square hole B24, and the moving nut 25 is in threaded connection with the screw portion of the driving screw 22; the moving nut is in threaded connection with the driving screw, and the valve core fixing seat is in transverse sliding connection with the guide groove on the support. It should be noted that the driving screw and the valve core fixing seat can also adopt another connection mode, namely: the valve core fixing seat 9 is provided with a connecting screw hole at one end close to the bracket 19 for being in threaded connection with the driving screw 22, the connecting screw hole on the valve core fixing seat is in threaded connection with the driving screw, the valve core fixing seat is in sliding connection with a guide groove on the bracket along the transverse direction, and when the driving motor drives the driving screw to rotate, the driving screw can drive the valve core fixing seat to move along the guide chute.
In this embodiment, the rear side of the support 19 is fixedly connected with a circuit board 27, the circuit board 27 is provided with an infrared pair of pipes 28 located at the upper side and the lower side of the valve core fixing seat 9, the valve core fixing seat 9 can pass through the infrared pair of pipes 28 in the moving process, when the valve core fixing seat 9 drives the valve core 5 to move leftwards to completely close the air inlet slit 4 on the air inlet pipe 3, the valve core fixing seat 9 does not block the infrared pair of pipes 28, and at the moment, the control system can determine the starting position of the valve core.
In this embodiment, the air inlet slit 4 extends along the axial direction of the air inlet pipe 3, and the valve core 5 is an optical axis.
In the embodiment, the inner diameter of the air inlet pipe is 0.2-10 mm; the width of the air inlet slit is 0.01-0.2 mm, and the length is 0.5-30 mm; the diameter of the valve core and the fit clearance of the air inlet pipe are 0.01-0.1 mm.
The specific implementation process comprises the following steps: as shown in fig. 7, this minute air flow rate adjustment valve is used for a rainfall calibrator as an example: the rainfall calibrator comprises a standard ball 29 for containing water and a water storage container positioned below the standard ball, wherein an overflow pipe 30 is connected between the upper port of the standard ball 29 and the water storage container, an overflow port 31 is arranged at the upper end of the overflow pipe 30, and an overflow electromagnetic valve 32 is connected below the overflow port 31 on the overflow pipe 30; a water inlet pipe 33 is connected between the lower port of the standard ball 29 and the water storage container, a water pump is arranged on the water inlet pipe 33 and used for pumping water into the standard ball, a water outlet pipe 34 is also connected on the water inlet pipe 33, and a water outlet electromagnetic valve 35 is connected on the water outlet pipe 34. The air inlet pipe in the micro air flow regulating valve has the outer diameter of 1mm, the inner diameter of 0.75mm, the width of an air inlet slit of 0.05mm, the length of 5mm and the diameter of a valve core of 0.7mm.
When the air inlet valve works, taking the standard ball filled with water as an example, the air outlet of the micro air flow regulating valve is inserted into the overflow port 31 of the rainfall calibrator, then the water outlet electromagnetic valve 35 is opened, the stepping motor drives the valve core 5 to axially move in the air inlet pipe 3 through the driving screw 22, the translation of the valve core 5 adjusts the flow area of the air inlet slit 4 on the air inlet pipe 3, the air flow flowing into the standard ball 29 is further controlled, and finally the speed of water flowing out of the water outlet electromagnetic valve is controlled.
The invention adopts another technical scheme that: the regulating method of the micro air flow regulating valve comprises the following steps of: the driving mechanism drives the valve core to translate along the axial direction in the air inlet pipe, and the translation of the valve core is utilized to adjust the flow area of an air inlet slit in the air inlet pipe, so that the air conditioning is realized.
The foregoing description is only of the preferred embodiments of the invention, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (7)
1. A minute air flow rate regulating valve, characterized in that: the air inlet valve comprises a valve seat with an air outlet at one end, wherein an air inlet pipe communicated with the air outlet is fixedly connected to the valve seat, an air inlet slit for facilitating air inflow is formed in the side wall of the air inlet pipe, and a valve core which is driven by a driving mechanism to axially move and is used for adjusting the flow area of the air inlet slit is arranged in the air inlet pipe in a penetrating manner;
an air inlet cavity is arranged at one end, close to the air outlet hole, of the valve seat, a valve cavity is arranged at one end, far away from the air outlet hole, the air inlet cavity is communicated with the air outlet hole through an air inlet channel, and the air inlet pipe is fixed in the air inlet cavity and one end of the air inlet pipe is inserted into the air inlet channel to realize communication; a valve core fixing seat fixedly connected with the valve core is arranged in the valve cavity, and the valve core fixing seat is connected with a driving mechanism;
an air-permeable dust cover is covered outside the opening of the air inlet cavity, and an air filter disc is attached to the air-permeable dust cover;
the air inlet slit extends along the axial direction of the air inlet pipe.
2. The micro air flow regulating valve according to claim 1, wherein: a positioning groove for accommodating the air inlet pipe is transversely formed in one end, close to the air inlet channel, of the bottom surface of the air inlet cavity, the cross section of the positioning groove is semicircular, a compression through hole penetrating vertically is formed in the side of the positioning groove, the compression through hole is communicated with the edge of the positioning groove, and the air inlet pipe is radially compressed in the positioning groove through the cooperation of a compression screw penetrating the compression through hole and a nut; and a positioning through hole which is beneficial to the air inlet pipe to pass through and realize positioning is formed in the side wall between the air inlet cavity and the valve cavity.
3. The micro air flow regulating valve according to claim 1, wherein: a square slotted hole which is beneficial to the valve core fixing seat to transversely pass through is formed in one side wall of the valve cavity, which is far away from the air inlet cavity; the driving mechanism comprises a bracket which is positioned outside the square slotted hole and provided with a cantilever part, a horizontal U-shaped mounting frame is fixed on the cantilever part of the bracket, a driving motor with an output shaft penetrating through the mounting frame from right to left is transversely arranged at the right end of the mounting frame, and a driving screw with the right end fixedly connected with the output shaft and with a screw part penetrating through the cantilever part from right to left is arranged in the mounting frame and connected with a valve core fixing seat.
4. A micro air flow regulating valve according to claim 3, wherein: the screw part of the driving screw is in threaded connection with the valve core fixing seat; the support is provided with a guide groove for forming a transverse sliding pair with the valve core fixing seat.
5. A micro air flow regulating valve according to claim 3, wherein: the rear side of support has linked firmly the circuit board, be provided with the infrared geminate transistors that are located case fixing base upper and lower both sides on the circuit board.
6. The micro air flow regulating valve according to claim 1, wherein: the inner diameter of the air inlet pipe is 0.2-10 mm; the width of the air inlet slit is 0.01-0.2 mm, and the length is 0.5-30 mm; the diameter of the valve core and the fit clearance of the air inlet pipe are 0.01-0.1 mm.
7. A method of regulating a micro air flow regulating valve, characterized by: comprising the use of any one of the micro air flow regulating valves according to claims 1-6, and performed as follows: the driving mechanism drives the valve core to translate along the axial direction in the air inlet pipe, and the translation of the valve core is utilized to adjust the flow area of an air inlet slit in the air inlet pipe, so that the air conditioning is realized.
Priority Applications (1)
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CN201811380693.6A CN109307094B (en) | 2018-11-20 | 2018-11-20 | Micro air flow regulating valve and regulating method thereof |
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CN201811380693.6A CN109307094B (en) | 2018-11-20 | 2018-11-20 | Micro air flow regulating valve and regulating method thereof |
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CN109307094A CN109307094A (en) | 2019-02-05 |
CN109307094B true CN109307094B (en) | 2023-10-24 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103821979A (en) * | 2014-02-25 | 2014-05-28 | 杭州杭氧工装泵阀有限公司 | Multistage depressurization valve |
CN105736824A (en) * | 2016-04-27 | 2016-07-06 | 航天长征化学工程股份有限公司 | Labyrinth type regulating valve |
CN108368954A (en) * | 2015-10-16 | 2018-08-03 | 艾默生过程管理(天津)阀门有限公司 | Multistage anti-surge valve |
CN209084119U (en) * | 2018-11-20 | 2019-07-09 | 福州金典工业产品设计有限公司 | Tiny air flow control valve |
-
2018
- 2018-11-20 CN CN201811380693.6A patent/CN109307094B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103821979A (en) * | 2014-02-25 | 2014-05-28 | 杭州杭氧工装泵阀有限公司 | Multistage depressurization valve |
CN108368954A (en) * | 2015-10-16 | 2018-08-03 | 艾默生过程管理(天津)阀门有限公司 | Multistage anti-surge valve |
CN105736824A (en) * | 2016-04-27 | 2016-07-06 | 航天长征化学工程股份有限公司 | Labyrinth type regulating valve |
CN209084119U (en) * | 2018-11-20 | 2019-07-09 | 福州金典工业产品设计有限公司 | Tiny air flow control valve |
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