CN201582422U - Gas flow rate proportional valve - Google Patents
Gas flow rate proportional valve Download PDFInfo
- Publication number
- CN201582422U CN201582422U CN2010200269301U CN201020026930U CN201582422U CN 201582422 U CN201582422 U CN 201582422U CN 2010200269301 U CN2010200269301 U CN 2010200269301U CN 201020026930 U CN201020026930 U CN 201020026930U CN 201582422 U CN201582422 U CN 201582422U
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- Prior art keywords
- hole
- spool
- valve
- gas flow
- air outlet
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- Expired - Fee Related
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- Electrically Driven Valve-Operating Means (AREA)
- Magnetically Actuated Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model discloses a gas flow rate proportional valve which comprises a valve body, a valve core and a valve core driving element, wherein the valve body is provided with a valve cavity taking on a cylindrical surface, and an air inlet pipeline and an air outlet pipeline which are respectively positioned at the two sides of the valve cavity; the air inlet pipeline and the air outlet pipeline are respectively communicated with the valve cavity through an air inlet hole and an air outlet hole, and the connecting line between the air inlet hole and the air outlet hole deviates from the center of the valve cavity; the valve core takes on a cylinder shape, the upper part of the valve core is provided with a connecting hole, and the lower part thereof consists of a concave hole and a vertical wall; the valve core is rotatablely assembled inside the valve cavity in a sliding way; the concave hole and the vertical wall of the valve core are positioned between the air inlet hole and the air outlet hole in an alternate way; and the valve core driving element is connected on the connecting hole of the valve core. The gas flow rate proportional valve can control the gas flow rate in a way of rotating angle location, and has the advantages of simple and reliable structure, accurate control of the gas flow rate, high accuracy, good linearity and stable working characteristic.
Description
Technical field
The utility model relates to the gas delivery technical field, relates in particular to a kind of regulating and controlling valve that replenishes, adjusts gas flow.
Background technique
The gas flow ratio valve is used to control, the size of adjustments of gas flow, to obtain suitable tolerance and pressure.Be widely used in the field that needs such as combustion gas, motor vehicle fuel power and medical equipment replenish the adjustments of gas quantity delivered.For example, the tonifying Qi technology is the core of motorcycle electronic control technology, can accurately control the air burning ratio by tonifying Qi, and reduction discharges pollutants, and improve power, reduce oil consumption, so the AIR Proportional valve is the significant components of tonifying Qi process.And prior art normally adopts the switch type solenoid valve to realize tonifying Qi or gas regulation process.Motorcycle is finished the control of gas flow by the switching frequency of solenoid valve, adopts the dutycycle mode to control the air burning ratio.This traditional mode exists that speed of response is slow, low precision, technological deficiencies such as pulsation is big, performance characteristic is unstable, reliability is low, poor linearity.
The model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of simple and reliable for structure, adopt the corner orientation type to realize the gas flow ratio valve of tolerance control, reliable and stable to realize, accurately control gaseous flow, degree of accuracy height, have the tonifying Qi adjustment process of good linearity.
The purpose of this utility model is achieved by the following technical programs:
A kind of gas flow ratio valve that the utility model provides comprises valve body, spool and spool driving element; Described valve body is provided with the valve pocket that is the cylndrical surface, admission line and the outlet pipe that lays respectively at described valve pocket both sides; Described admission line and outlet pipe are communicated with described valve pocket by inlet hole and air outlet hole respectively, and the line of described inlet hole and air outlet hole departs from the center of valve pocket; Described spool is the cylinder bodily form, and its top is provided with attachment hole, and the bottom is made of recess and wall; Described spool rotary type is slidedly assemblied in the valve pocket, and the recess of spool and wall can be alternately between described inlet hole and air outlet holes; Described spool driving element is connected on the attachment hole of spool.
The utility model spool can be realized rotation in valve pocket under the driving of spool driving element.Because inlet hole and air outlet hole be eccentric the setting on cylindrical the facing the wall and meditating of valve pocket, and can be corresponding with the recess or the wall of spool.Therefore, when the recess of spool was between inlet hole and air outlet hole, inlet hole and air outlet hole were interconnected and are in full-gear; When the wall of spool was between inlet hole and air outlet hole, the connection of inlet hole and air outlet hole was cut off by the spool wall and is in full-shut position.By rotary spool, its wall may command inlet hole or the certain aperture of air outlet hole, thus realize the control of gas flow size in the mode of corner location.
For further induction, location aeration status, also be provided with the sensor attachment hole on the valve body described in the utility model, also be provided with on the described spool and the corresponding sensor magnet of described sensor attachment hole.For example, described sensor magnet can be corresponding with described sensor attachment hole under the state between described inlet hole and the air outlet hole at described spool wall, promptly when air flue was in full-shut position, sensor obtained the full-shut position of this moment by sensor magnet, so that realize as functions such as data zero clearings.Can take following concrete setting this moment: described sensor attachment hole is corresponding with the top of described spool, and the sensor attachment hole is axially vertical with the line of described inlet hole and air outlet hole; Described sensor magnet is arranged on the top of described spool and the avris of corresponding recess.
Spool driving element described in the utility model can be stepper motor, and the output shaft of described stepper motor is connected on the attachment hole of described spool.Stepper motor driven valve core rotation positioning, and the speed of stepper motor has determined the speed of response of Proportional valve.Described stepper motor is connected on the single-chip microcomputer by interface, sets stepper motor corner Location accuracy by single-chip microcomputer, can reach the requirement of tolerance segmentation, thereby realizes accurately control tolerance.
The utlity model has following beneficial effect:
1, the spool employing is rotary, simple and reliable for structure, and cost is low, produces in batches stable.
2, speed of response is fast, and is accurately stable.Corner Location accuracy height can accurately be controlled tolerance.
3, have good linearty and conformity, performance characteristic is stable.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail:
Fig. 1 is the structural representation under the utility model embodiment full-gear;
Fig. 2 is the structural representation under the full-shut position embodiment illustrated in fig. 1;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the plan view of middle valve body embodiment illustrated in fig. 1;
Fig. 5 is the right elevation of Fig. 4;
Fig. 6 is the plan view of Fig. 4;
Fig. 7 is the B-B sectional view of Fig. 4;
Fig. 8 is the C-C sectional view of Fig. 6;
Fig. 9 is the plan view of middle spool embodiment illustrated in fig. 1;
Figure 10 is the left view of Fig. 9.
Among the figure: valve body 1, valve pocket 11,, admission line 12, outlet pipe 13, sensor attachment hole 14, suction tude mounting hole 15, steam outlet pipe mounting hole 16, inlet hole 17, air outlet hole 18, spool 2, attachment hole 21, fixed hole 22, recess 23, wall 24, stepper motor 3, output shaft 31, sensor magnet 4
Embodiment
Fig. 1～Figure 9 shows that the utility model embodiment gas flow ratio valve.As Fig. 1, Fig. 2 and shown in Figure 3, comprise valve body 1, spool 2 and spool driving element.The spool driving element adopts stepper motor 3, and stepper motor 3 is connected on the single-chip microcomputer by interface.
As Fig. 4～shown in Figure 8, valve body 1 is provided with valve pocket 11, admission line 12, outlet pipe 13 and sensor attachment hole 14.Valve pocket 11 is the cylndrical surface, and admission line 12 and outlet pipe 13 lay respectively at the both sides of valve pocket 11 and be connected with suction tude mounting hole 15 respectively and steam outlet pipe mounting hole 16.
As Fig. 1, Fig. 2 and shown in Figure 8, admission line 12 and outlet pipe 13 are communicated with valve pocket 11 by inlet hole 17 and air outlet hole 18 respectively.As Fig. 5, shown in Figure 6, inlet hole 17 and air outlet hole 18 be eccentric the setting on cylindrical the facing the wall and meditating of valve pocket 11, and its line departs from the center of valve pocket.As Fig. 4, Fig. 6 and shown in Figure 7, sensor attachment hole 14 is positioned at the top of valve body 1, and it is axially vertical with the line of air outlet hole 18 with inlet hole 17.Sensor is connected with valve body 1 by sensor attachment hole 14.
As Fig. 9 and shown in Figure 10, spool 2 is the cylinder bodily form, and its top is provided with attachment hole 21 and fixed hole 22, and the bottom is made of recess 23 and wall 24.The top of spool 2 is provided with sensor magnet 4, and sensor magnet 4 is corresponding with the avris of recess 23.
As depicted in figs. 1 and 2, spool 2 rotary types are slidedly assemblied in the valve pocket 11, and the output shaft 31 of stepper motor 3 is connected on the attachment hole 21 of spool 2, and use screw fixing by fixed hole 22.The maximum angle of swing of spool 2 is set at 90 °.By rotation, the recess 23 of spool 2 and wall 24 can be alternately between inlet hole 17 and air outlet holes 18.When wall 24 between inlet hole 17 and air outlet hole 18 and when being in full-shut position, as shown in Figure 3, the sensor magnet 4 on the spool is corresponding with sensor attachment hole 14 on the valve body 1.
Its working principle is as follows:
Spool 2 can be realized rotation in valve pocket 11 under the driving of stepper motor 3.Inlet hole 17 and air outlet hole 18 be eccentric the setting on cylindrical the facing the wall and meditating of valve pocket 11, and can be corresponding with the recess 23 or the wall 24 of spool 2.Like this, as shown in Figure 1, when the recess 23 of spool 2 was between inlet hole 17 and air outlet hole 18, inlet hole 17 and air outlet hole 18 were interconnected and are in full-gear.When stepper motor 3 drives spools 2 half-twists, as shown in Figure 2, this moment spool 2 wall 24 between inlet hole 17 and air outlet hole 18, the connection of inlet hole 17 and air outlet hole 18 is cut off by wall 24 and is in full-shut position.At this moment, as shown in Figure 3, the sensor magnet 4 on the spool is corresponding with sensor attachment hole 14 on the valve body 1, and sensor obtains the full-shut position position information of this moment by sensor magnet 4, thereby realizes as functions such as data zero clearings.
In the driving process, by rotary spool 2, the aperture that its wall 24 may command inlet holes 17 are certain, thus realize the control of gas flow size in the mode of corner location.Set stepper motor corner Location accuracy by single-chip microcomputer, can reach the requirement of tolerance segmentation, thereby realize accurately control tolerance.
Claims (6)
1. a gas flow ratio valve is characterized in that: comprise valve body (1), spool (2) and spool driving element; Described valve body (1) is provided with the valve pocket (11) that is the cylndrical surface, the admission line (12) that lays respectively at described valve pocket (11) both sides and outlet pipe (13); Described admission line (12) and outlet pipe (13) are communicated with described valve pocket (11) by inlet hole (17) and air outlet hole (18) respectively, and the line of described inlet hole (17) and air outlet hole (18) center of departing from valve pocket; Described spool (2) is the cylinder bodily form, and its top is provided with attachment hole (21), and the bottom is made of recess (23) and wall (24); Described spool (2) rotary type is slidedly assemblied in the valve pocket (11), and the recess (23) of spool (2) and wall (24) can alternately be positioned between described inlet hole (17) and the air outlet hole (18); Described spool driving element is connected on the attachment hole (21) of spool.
2. gas flow ratio valve according to claim 1 is characterized in that: also be provided with sensor attachment hole (14) on the described valve body (1), also be provided with the sensor magnet (4) corresponding with described sensor attachment hole (14) on the described spool (2).
3. gas flow ratio valve according to claim 2 is characterized in that: described sensor magnet (4) is positioned under the state between described inlet hole (17) and the air outlet hole (18) corresponding with described sensor attachment hole (14) at described spool wall (24).
4. gas flow ratio valve according to claim 3, it is characterized in that: described sensor attachment hole (14) is corresponding with the top of described spool (2), and sensor attachment hole (14) is axially vertical with the line of air outlet hole (18) with described inlet hole (17); Described sensor magnet (4) is arranged on the top of described spool (2) and the avris of corresponding recess (23).
5. according to claim 1 or 2 or 3 or 4 described gas flow ratio valves, it is characterized in that: described spool driving element is stepper motor (3), and the output shaft (31) of described stepper motor (3) is connected on the attachment hole (21) of described spool (2).
6. gas flow ratio valve according to claim 5 is characterized in that: described stepper motor (3) is connected on the single-chip microcomputer by interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200269301U CN201582422U (en) | 2010-01-18 | 2010-01-18 | Gas flow rate proportional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200269301U CN201582422U (en) | 2010-01-18 | 2010-01-18 | Gas flow rate proportional valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201582422U true CN201582422U (en) | 2010-09-15 |
Family
ID=42724420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200269301U Expired - Fee Related CN201582422U (en) | 2010-01-18 | 2010-01-18 | Gas flow rate proportional valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201582422U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269276A (en) * | 2010-12-31 | 2011-12-07 | 北京谊安医疗系统股份有限公司 | Proportional valve |
| CN105054232A (en) * | 2015-07-28 | 2015-11-18 | 华南农业大学 | Static pressure type shelling machine of moringa seeds and shelling method |
-
2010
- 2010-01-18 CN CN2010200269301U patent/CN201582422U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269276A (en) * | 2010-12-31 | 2011-12-07 | 北京谊安医疗系统股份有限公司 | Proportional valve |
| CN102269276B (en) * | 2010-12-31 | 2012-12-12 | 北京谊安医疗系统股份有限公司 | Proportional valve |
| CN105054232A (en) * | 2015-07-28 | 2015-11-18 | 华南农业大学 | Static pressure type shelling machine of moringa seeds and shelling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20140118 |