CN202381799U - Automatic flow detection control valve - Google Patents
Automatic flow detection control valve Download PDFInfo
- Publication number
- CN202381799U CN202381799U CN2011205601726U CN201120560172U CN202381799U CN 202381799 U CN202381799 U CN 202381799U CN 2011205601726 U CN2011205601726 U CN 2011205601726U CN 201120560172 U CN201120560172 U CN 201120560172U CN 202381799 U CN202381799 U CN 202381799U
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- Prior art keywords
- housing
- valve body
- mounting bracket
- magnet impeller
- hall element
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- Expired - Fee Related
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Abstract
The utility model discloses an automatic flow detection control valve, which comprises a valve body, a valve core, a stepping motor, a transmission mechanism, a flow detection mechanism and a detection calculation control circuit, wherein the flow detection mechanism consists of a first shell, a second shell, a magnet impeller and a Hall element; the first shell and the second shell are arranged in a water inlet joint of the valve body and are connected with each other; the magnet impeller is positioned in the first shell and the second shell; a front connecting shaft and a rear connecting shaft of the magnet impeller are respectively movably connected with a first mounting bracket and a second mounting bracket; the first mounting bracket consists of a connecting sleeve and a plurality of backswept flow deflectors; the backswept flow deflectors are uniformly connected between the connecting sleeve and the first shell; the Hall element is positioned beside the magnet impeller; and the Hall element and the stepping motor are electrically connected with the detection calculation control circuit. When water flows backwards, the magnet impeller does not rotate, so that the negative influence of the backward water flow on equipment connected with the automatic flow detection control valve is effectively avoided.
Description
Technical field
The utility model relates to valve technology field, is specifically related to a kind of automatic flow and detects control valve.
Background technique
The automatic flow of existing technology detects control valve and is made up of valve body, stepper motor, driving mechanism, sensor and control circuit usually; Through sensor water flow; And give control circuit with water flow information; By control circuit control step motor action, stepper motor opens, cuts out and controlled water flow amount size through the spool of transmission mechanism control valve body.
Yet the structure of the automatic flow detection control valve of existing technology is reasonable not enough, and it can not judge effectively that usually the water drag flow still flows backwards.When aqueous reflux, sensor is given control circuit with water flow information equally, makes its control step motor action, and this can produce bigger negative effect to the automatic control of valve, makes the automatic control of valve can not keep accurate operation.
The model utility content
The utility model provides a kind of automatic flow that detects the flow information of water drag flow to detect control valve in order to overcome the deficiency that existing technology exists, and the automatic control of this automatic flow detection control valve is more accurate.
The utility model is realized through following technological scheme: a kind of automatic flow detects control valve; Comprise valve body, spool, stepper motor, driving mechanism, flow quantity detection mechanism and detection computations control circuit; Said spool is arranged in the said valve body; Said stepper motor is connected with said spool through said driving mechanism; Said valve body has into water interface and water outlet interface, and said flow quantity detection mechanism is made up of columnar first housing, columnar second housing, magnet impeller and Hall element, and said first housing, said second housing all are arranged in the said water inlet interface; The top of said first housing is positioned at the water inlet place of said water inlet interface; The end of said first housing is connected with the top of said second housing, and the end of the top of said first housing, said second housing is respectively arranged with first mounting bracket and second mounting bracket, and said magnet impeller is positioned at said first housing, said second housing; Coupling shaft and back coupling shaft before the front-end and back-end of said magnet impeller are respectively arranged with; The preceding coupling shaft of said magnet impeller and said first mounting bracket flexibly connect, and the back coupling shaft of said magnet impeller and said second mounting bracket flexibly connect, and said first mounting bracket is made up of coupling sleeve and polylith swept-back guide plate; These swept-back guide plates evenly are connected between the inwall of first housing said coupling sleeve external peripheral surface and said; Said Hall element is positioned at the side of said magnet impeller, and said Hall element is connected with said valve body, and said Hall element, said stepper motor all are electrically connected with said detection computations control circuit.
Said driving mechanism is made up of driving gear and driven gear, and said driving gear is connected with the pto of said stepper motor, said driven gear and the engagement of said driving gear, and said driven gear is connected with said spool.
Said driven gear is a tooth sector, and the side of said driven gear is provided with and is used to limit the limit switch that this driven gear rotates in the zone of a qualification.
Said valve body is provided with the temperature transducer that is used to measure water temperature in this valve body, and said temperature transducer is electrically connected with said detection computations control circuit.
The beneficial effect of the utility model is: the utility model only detects the flow information of water drag flow.When the aqueous reflux phenomenon in use takes place in the utility model; The magnet impeller can not rotate; Hall element does not have testing signal, and the detection computations control circuit can not send any actuating signal, makes aqueous reflux can not have influence on the automatic control of valve; Make the automatic control of valve more accurate, the negative effect of having avoided the aqueous reflux pair equipment that is connected with the utility model to produce.
Description of drawings
Fig. 1 is the decomposition texture schematic representation of the utility model.
In the drawings: the 1-valve body; The 2-spool; The 3-driving gear; The 4-driven gear; 5-first seal ring; 6-second seal ring; The 7-fixed plate; The 8-stepper motor; The 9-limit switch; The 10-interface of intaking; 11-water outlet interface; 12-first housing; 13-first mounting bracket; 14-second housing; 15-magnet impeller; Coupling shaft before the 16-; Coupling shaft behind the 17-; The 18-Hall element; The 19-temperature transducer.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
As shown in Figure 1; A kind of automatic flow detects control valve, comprises valve body 1, spool 2, stepper motor 8, driving mechanism, flow quantity detection mechanism and detection computations control circuit, and spool 2 is arranged in the valve body 1; Stepper motor 8 is connected with spool 2 through driving mechanism; Valve body 1 has into water interface 10 and water outlet interface 11, and flow quantity detection mechanism is made up of first housing 12, second housing 14, magnet impeller 15 and Hall element 18, and first housing 12, second housing 14 all are arranged at in the water interface 10; The top of first housing 12 is positioned at the into water inlet place of water interface 10; The end of first housing 12 is connected with the top of second housing 14, and the end of the top of first housing 12, second housing 14 is respectively arranged with first mounting bracket 13 and second mounting bracket, and magnet impeller 15 is positioned at first housing 12, second housing 14; Coupling shaft 16 and back coupling shaft 17 before the front-end and back-end of magnet impeller 15 are respectively arranged with; The preceding coupling shaft 16 of magnet impeller 15 and first mounting bracket 13 flexibly connect, and the back coupling shaft 17 of magnet impeller 15 and second mounting bracket flexibly connect, and first mounting bracket 13 is made up of coupling sleeve and polylith swept-back guide plate; These swept-back guide plates evenly are connected between the inwall coupling sleeve external peripheral surface and first housing 12; Hall element 18 is positioned at the side of magnet impeller 15, and Hall element 18 is connected with valve body 1, and Hall element 18, stepper motor 8 all are electrically connected with the detection computations control circuit.
Wherein, driving mechanism is made up of driving gear 3 and driven gear 4, and driving gear 3 is connected with the pto of stepper motor 8, driven gear 4 and driving gear 3 engagements, and driven gear 4 is connected with spool 2.
As preferably, driven gear 4 is a tooth sector, and the side of driven gear 4 is provided with the limit switch 9 that is used to limit the rotation in the zone of a qualification of this driven gear 4.
In the utility model, valve body 1 also is provided with the temperature transducer 19 that is used to measure water temperature in this valve body 1, and temperature transducer 19 is electrically connected with the detection computations control circuit.Also include first seal ring 5, second seal ring 6 and fixed plate 7 at Fig. 1.First housing 12, second housing 14 all have the columnar structured of opening for front end, rear end.
During work; Water is first housing 12, magnet impeller 15 and second housing 14 through water inlet interface 10 successively; The swept-back guide plate of first housing 12 can change water flow mode rotates magnet impeller 15, and Hall element 18 is sensed magnet impeller 15 and rotated, and sends signal to detection computations control circuit; The detection computations control circuit comes 8 actions of control step motor through the water flow result who judges, thereby spool 2 is rotated.When water flow surpassed or is lower than certain value, stepper motor 8 drove spool 2 and rotates, and water flow is turned down or transferred greatly.When current from second housing 14 to first housing 12 when flowing (aqueous reflux), magnet impeller 15 can not rotate, Hall element 18 does not have testing signal, has avoided the negative effect of the aqueous reflux pair equipment that is connected with the utility model generation.
Should be noted that at last; Above content is only in order to explain the technological scheme of the utility model; But not to the restriction of the utility model protection domain; The simple modification that those of ordinary skill in the art carries out the technological scheme of the utility model perhaps is equal to replacement, does not all break away from the essence and the scope of the utility model technological scheme.
Claims (4)
1. an automatic flow detects control valve; Comprise valve body, spool, stepper motor, driving mechanism, flow quantity detection mechanism and detection computations control circuit; Said spool is arranged in the said valve body; Said stepper motor is connected with said spool through said driving mechanism; Said valve body has into water interface and water outlet interface, it is characterized in that: said flow quantity detection mechanism is made up of columnar first housing, columnar second housing, magnet impeller and Hall element, and said first housing, said second housing all are arranged in the said water inlet interface; The top of said first housing is positioned at the water inlet place of said water inlet interface; The end of said first housing is connected with the top of said second housing, and the end of the top of said first housing, said second housing is respectively arranged with first mounting bracket and second mounting bracket, and said magnet impeller is positioned at said first housing, said second housing; Coupling shaft and back coupling shaft before the front-end and back-end of said magnet impeller are respectively arranged with; The preceding coupling shaft of said magnet impeller and said first mounting bracket flexibly connect, and the back coupling shaft of said magnet impeller and said second mounting bracket flexibly connect, and said first mounting bracket is made up of coupling sleeve and polylith swept-back guide plate; These swept-back guide plates evenly are connected between the inwall of first housing said coupling sleeve external peripheral surface and said; Said Hall element is positioned at the side of said magnet impeller, and said Hall element is connected with said valve body, and said Hall element, said stepper motor all are electrically connected with said detection computations control circuit.
2. automatic flow according to claim 1 detects control valve; It is characterized in that: said driving mechanism is made up of driving gear and driven gear; Said driving gear is connected with the pto of said stepper motor; Said driven gear and the engagement of said driving gear, said driven gear is connected with said spool.
3. automatic flow according to claim 2 detects control valve, and it is characterized in that: said driven gear is a tooth sector, and the side of said driven gear is provided with and is used to limit the limit switch that this driven gear rotates in the zone of a qualification.
4. detect control valve according to claim 1,2 or 3 described automatic flows, it is characterized in that: said valve body is provided with the temperature transducer that is used to measure water temperature in this valve body, and said temperature transducer is electrically connected with said detection computations control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205601726U CN202381799U (en) | 2011-12-28 | 2011-12-28 | Automatic flow detection control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205601726U CN202381799U (en) | 2011-12-28 | 2011-12-28 | Automatic flow detection control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202381799U true CN202381799U (en) | 2012-08-15 |
Family
ID=46630302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205601726U Expired - Fee Related CN202381799U (en) | 2011-12-28 | 2011-12-28 | Automatic flow detection control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202381799U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672100A (en) * | 2012-09-17 | 2014-03-26 | 昆山尚达智机械有限公司 | Novel speed control valve |
| CN103953780A (en) * | 2014-04-30 | 2014-07-30 | 王晨 | Multi-path electric control valve for water treatment |
| CN111350835A (en) * | 2018-12-24 | 2020-06-30 | 浙江润诚智控科技有限公司 | Flow regulating assembly |
-
2011
- 2011-12-28 CN CN2011205601726U patent/CN202381799U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672100A (en) * | 2012-09-17 | 2014-03-26 | 昆山尚达智机械有限公司 | Novel speed control valve |
| CN103953780A (en) * | 2014-04-30 | 2014-07-30 | 王晨 | Multi-path electric control valve for water treatment |
| CN111350835A (en) * | 2018-12-24 | 2020-06-30 | 浙江润诚智控科技有限公司 | Flow regulating assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20141228 |
|
| EXPY | Termination of patent right or utility model |