CN202432055U - Air flow controller - Google Patents
Air flow controller Download PDFInfo
- Publication number
- CN202432055U CN202432055U CN2012200389020U CN201220038902U CN202432055U CN 202432055 U CN202432055 U CN 202432055U CN 2012200389020 U CN2012200389020 U CN 2012200389020U CN 201220038902 U CN201220038902 U CN 201220038902U CN 202432055 U CN202432055 U CN 202432055U
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- CN
- China
- Prior art keywords
- air flow
- valve rod
- flow controller
- air
- spool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model aims to provide an air flow controller which is easy to adjust. The air flow controller comprises a shell and a valve core assembly. The shell defines an air flow channel from an inflow opening to an outflow opening. The air flow controller is characterized in that the air flow channel comprises a rectangular diffusing chamber and a Venturi tube type circuit channel. The valve core assembly comprises a valve core, a central valve rod and an executor. The central valve rod is supported by a bracket in the air flow channel and can move front and back in a direction parallel to the air flow direction in the air flow channel. The valve core is connected on the central valve rod and the executor is installed out of the shell, is connected with the central valve rod and drives the central valve rod to move front and back. The axial section of the Venturi tube type circuit channel comprises an inlet contraction section, a cylindrical throat part and a cone-shaped diffusing section. The rectangular diffusing chamber is adjoined to the cone-shaped diffusing section of the Venturi tube type circuit channel. The valve core is located in the Venturi tube type circuit channel.
Description
Technical field
The utility model relates to air flow controller, relates in particular to the air flow controller in air-conditioning and the ventilation system.
Background technique
A kind of air flow controller of existing technology; Air shut-off valve in particular for the air conditioner ventilation pipeline generally includes valve plate; It is arranged in the air flow duct so that said valve plate can be around the axis rotation, and said axis is transverse to the air-flow direction that passes pipeline and valve.For than large pipeline, use the blinds valve usually, it comprises a plurality of rotatable plates, has to split and parallel branch its layout and be designed to the complete closed pipeline.
Yet the major part in this type valve belongs to fast katal property, promptly opens slightly, and fluid flow increases sharply, and because the aerodynamics noise that can not be satisfied with is made us in the cause generation of the sharp edges that valve plate provides.
The tradition venturi valve for example uses in the vent systems of laboratory in required application.This valve comprises that the Venturi nozzle with movable cone part arranges that said movable cone part can move in nozzle, thereby can control air flows through the flow of pipeline.Yet the outlet of traditional venturi valve still has bigger noise, and on the air-conditioning supply air duct, uses the insulation difficulty.
Tradition venturi valve another one deficiency can't provide the valve body pressure drop measurement exactly, and then causes in the control air flow, having increased drag losses.
The model utility content
The purpose of the utility model is to provide a kind of air flow controller, and it is easy to regulate.
For realizing the air flow controller of said purpose, comprise shell and mangetic core assembly, the air flow passage between shell defines from the inflow entrance to the outflow opening; Be characterized in; Said air flow passage comprises rectangle diffusion chamber and venturi-type circular channel, and mangetic core assembly comprises spool, center valve rod and final controlling element, the center valve rod by stent support in air flow passage; And the center valve rod can move forward and backward in the parallel direction of the air-flow direction of air flow passage; Spool is connected on the valve rod of center, and final controlling element is installed in the outside of shell, connects the center valve rod and can drive the center valve rod to move forward and backward; The axial cross section of venturi-type circular channel comprises inlet contraction section, cylindrical shape throat and conical diffuser, and the rectangle diffusion chamber is in abutting connection with the conical diffuser of venturi-type circular channel, and spool is arranged in the venturi-type circular channel.
Described air flow controller, its further characteristics be, mangetic core assembly also comprises the self balancing spring, and this self balancing spring is connected between center valve rod and the spool.
Described air flow controller, its further characteristics be, spool is joined by the afterbody of planar head of circular arc and conical surface-shaped and forms.
Described air flow controller, its further characteristics be, the center valve rod by two independently support be fixed in the air flow passage, spool is between two these supports.
Described air flow controller, its further characteristics are that final controlling element is YE or manual actuators.
Described air flow controller, its further characteristics are that respectively there are two force samples mouths at the air inflow aperture edge and the air outflow port edge that also are included in air flow passage, force samples mouth connection differential pressure pickup.
Described air flow controller; Its further characteristics are; Also comprise intelligent controller; Final controlling element is a YE, and intelligent controller sends control signals to YE according to one or more signals in the temperature signal, moisture signal, pressure signal, pressure difference signal and the air volume signal that receive.
Described air flow controller, its further characteristics are to comprise that also intelligent controller is according to the position signal delivery air flow measurement signal of mangetic core assembly in air flow passage.
Described air flow controller, its further characteristics be, is the air flow controller of ajutage, backwind tube or the exhaust duct of air-conditioning or ventilation system.
Described air flow controller, its further characteristics are that the rectangle diffusion chamber is arranged in the thermal insulation layer.
The beneficial effect of the utility model is:
The utility model overcomes or has reduced some aforementioned disadvantages in the existing equipment, for example, and through the control that just can realize air mass flow of moving of actuator control valves core; Therefore the air flow controller for being easy to regulate through the self balancing spring, can overcome the interference of air duct pressure fluctuation to air mass flow more rapidly; Through the rectangle diffusion chamber, the function that has both insulation simultaneously again and eliminate the noise, and convenient the installation; The utility model also has cheap characteristics; Owing to have self balancing spring and rectangle diffusion chamber, therefore have the useful flow characteristic aspect the pressure loss and aerodynamics noise simultaneously, reduce the energy consumption of air-line system.
Description of drawings
Fig. 1 is the schematic representation of structure of the air flow controller of the utility model.
Embodiment
As shown in Figure 1; Air flow controller 100 can be used in air-conditioning and the ventilation system; For example as ajutage, the air flow controller of backwind tube or exhaust duct, it comprises shell 1 and mangetic core assembly 2; Shell 1 defines the air flow passage 14 from inflow entrance 13 to outflow opening, and air flow passage comprises rectangle diffusion chamber 10 and venturi-type circular channel 11.Mangetic core assembly 2 comprises spool 6, center valve rod 5 and final controlling element 3; Center valve rod 5 is supported in the air flow passage by support 21,22; And center valve rod 5 can move forward and backward in the parallel direction of the air-flow direction of air flow passage; Spool 6 is connected on the center valve rod 5, and final controlling element 3 is installed in the outside of shell 1, connects the rear end of center valve rod 5 and can drive center valve rod 5 to move forward and backward.In one embodiment, the position of spool 6 can be controlled according to the rotatablely move built-in-potential device measured value of YE or lineal travel straight line motion YE of 90 ° of angle strokes.Potentiometer preferably is configured to send the electrical signal of expression valve element position to control unit (electronic control part of afterwards stating or intelligent controller), makes control unit can be configured to respond the motion of said at least SC sigmal control mangetic core assembly.In the embodiment of the utility model, the set point that is used for the controlled parameter of final controlling element 3 can be used as operator's input and provides, for example, and in response to selecting by the flow that ventilates or the operator of vent systems carry out.Final controlling element 3 can drive center valve rod 5 through linkage mechanism 4, and linkage mechanism 4 comprises the connecting rod that is hinged on the shell, and its outside from shell is inserted into inside.The axial cross section of venturi-type circular channel 11 comprises inlet contraction section 110, cylindrical shape throat 112 and conical diffuser 113; Rectangle diffusion chamber 10 is in abutting connection with the conical diffuser 113 of venturi-type circular channel 11; Spool 6 is arranged in venturi-type circular channel 11, through moving the may command air mass flow.From the angle of being convenient to make; Rectangle diffusion chamber 10 can be formed on the casing with conical diffuser 113; Rectangle diffusion chamber 10 is the inner chamber of this casing, and conical diffuser 113 is positioned on the sidewall of casing, and inlet contraction section 110, cylindrical shape throat 112 are arranged in the pipe fitting.In a preferred embodiment, rectangle diffusion chamber 10 is arranged in thermal insulation layer, the function that therefore has both insulation and eliminate the noise.
Among Fig. 1, reference character 2 ', 6 ' indicates linkage mechanism, the spool after moving respectively.
Final controlling element 3 can also be a manual actuators except being the YE.
Electronic control part comprises intelligent controller (not illustrating among the figure); Intelligent controller sends control signals to YE according to one or more signals in temperature signal, moisture signal, pressure signal, pressure difference signal and the air volume signal in the air flow passage that receives, with the amount of movement of control centre's valve rod 5.
In addition, intelligent controller is also according to position signal (position transducer for example in air flow passage be set obtain position signal) the delivery air flow measurement signal of mangetic core assembly 2 in air flow passage.
Spool 6 can move between the fully open position of controlling flow channel and full close position by means of center valve rod 5.The position of center valve rod 5 can be under the situation that need not independent flowmeter measurement flow cross the air quantity of spool 6.Self balancing spring 7 in the mangetic core assembly 2 of flow dontroller defines the relative movement of spool 6 on center valve rod 5; Self balancing spring 7 plays automatic compensating action for the pressure surge in the passage; Air passes venturi-type circular channel 11, directly gets into rectangle diffusion chamber 10, to reduce air velocity; Noise elimination structure in the rectangle diffusion chamber 10 has effectively reduced the noise that air flow produces.
Claims (10)
1. air flow controller comprises shell and mangetic core assembly, the air flow passage between shell defines from the inflow entrance to the outflow opening; It is characterized in that; Said air flow passage comprises rectangle diffusion chamber and venturi-type circular channel, and mangetic core assembly comprises spool, center valve rod and final controlling element, the center valve rod by stent support in air flow passage; And the center valve rod can move forward and backward in the parallel direction of the air-flow direction of air flow passage; Spool is connected on the valve rod of center, and final controlling element is installed in the outside of shell, connects the center valve rod and can drive the center valve rod to move forward and backward; The axial cross section of venturi-type circular channel comprises inlet contraction section, cylindrical shape throat and conical diffuser, and the rectangle diffusion chamber is in abutting connection with the conical diffuser of venturi-type circular channel, and spool is arranged in the venturi-type circular channel.
2. air flow controller as claimed in claim 1 is characterized in that mangetic core assembly also comprises the self balancing spring, and this self balancing spring is connected between center valve rod and the spool.
3. air flow controller as claimed in claim 1 is characterized in that, spool is joined by the afterbody of planar head of circular arc and conical surface-shaped and forms.
4. air flow controller as claimed in claim 1 is characterized in that, the center valve rod by two independently support be fixed in the air flow passage, spool is between two these supports.
5. air flow controller as claimed in claim 1 is characterized in that, final controlling element is YE or manual actuators.
6. air flow controller as claimed in claim 1 is characterized in that, respectively there are two force samples mouths at the air inflow aperture edge and the air outflow port edge that also are included in air flow passage, and the force samples mouth connects differential pressure pickup.
7. air flow controller as claimed in claim 1; It is characterized in that; Also comprise intelligent controller; Final controlling element is a YE, and intelligent controller sends control signals to YE according to one or more signals in the temperature signal, moisture signal, pressure signal, pressure difference signal and the air volume signal that receive.
8. air flow controller as claimed in claim 1 is characterized in that, comprises that also intelligent controller is according to the position signal delivery air flow measurement signal of mangetic core assembly in air flow passage.
9. air flow controller as claimed in claim 1 is characterized in that, is the air flow controller of ajutage, backwind tube or the exhaust duct of air-conditioning or ventilation system.
10. air flow controller as claimed in claim 1 is characterized in that the rectangle diffusion chamber is arranged in the thermal insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200389020U CN202432055U (en) | 2012-02-07 | 2012-02-07 | Air flow controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200389020U CN202432055U (en) | 2012-02-07 | 2012-02-07 | Air flow controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202432055U true CN202432055U (en) | 2012-09-12 |
Family
ID=46781501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200389020U Expired - Lifetime CN202432055U (en) | 2012-02-07 | 2012-02-07 | Air flow controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202432055U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712799A (en) * | 2015-04-07 | 2015-06-17 | 张国君 | Venturi valve with stable sealing structure |
| CN106122574A (en) * | 2016-08-22 | 2016-11-16 | 张国君 | Compact air quantity regulation venturi valve |
| CN106812990A (en) * | 2015-11-27 | 2017-06-09 | 上海卓思智能科技股份有限公司 | A kind of driving method of venturi valve and its valve cone |
| CN108168007A (en) * | 2017-12-27 | 2018-06-15 | 昆山斯莱姆节能科技有限公司 | With the purification ventilation duct through walls for adjusting vent flow structure |
| CN108180592A (en) * | 2017-12-27 | 2018-06-19 | 昆山斯莱姆节能科技有限公司 | Purification ventilation duct through walls with air-introduced machine |
| CN109488831A (en) * | 2018-12-21 | 2019-03-19 | 扬州盛旭科技有限公司 | The metering of gas flow and control and regulation valve in big-diameter pipeline pipe |
| CN114992832A (en) * | 2021-03-02 | 2022-09-02 | 中国石油化工股份有限公司 | Nozzle for exhaust system and nozzle wind speed adjusting method |
-
2012
- 2012-02-07 CN CN2012200389020U patent/CN202432055U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712799A (en) * | 2015-04-07 | 2015-06-17 | 张国君 | Venturi valve with stable sealing structure |
| CN104712799B (en) * | 2015-04-07 | 2019-09-13 | 张国君 | Venturi valve equipped with robust seal structure |
| CN106812990A (en) * | 2015-11-27 | 2017-06-09 | 上海卓思智能科技股份有限公司 | A kind of driving method of venturi valve and its valve cone |
| CN106812990B (en) * | 2015-11-27 | 2019-06-21 | 上海卓思智能科技股份有限公司 | A kind of driving method of venturi valve and its valve cone |
| CN106122574A (en) * | 2016-08-22 | 2016-11-16 | 张国君 | Compact air quantity regulation venturi valve |
| CN108168007A (en) * | 2017-12-27 | 2018-06-15 | 昆山斯莱姆节能科技有限公司 | With the purification ventilation duct through walls for adjusting vent flow structure |
| CN108180592A (en) * | 2017-12-27 | 2018-06-19 | 昆山斯莱姆节能科技有限公司 | Purification ventilation duct through walls with air-introduced machine |
| CN108168007B (en) * | 2017-12-27 | 2020-06-19 | 昆山斯莱姆节能科技有限公司 | Through-wall purification ventilation pipe with ventilation flow adjusting structure |
| CN109488831A (en) * | 2018-12-21 | 2019-03-19 | 扬州盛旭科技有限公司 | The metering of gas flow and control and regulation valve in big-diameter pipeline pipe |
| CN109488831B (en) * | 2018-12-21 | 2023-09-08 | 扬州盛旭科技有限公司 | Metering and controlling regulating valve for gas flow in large-diameter pipeline |
| CN114992832A (en) * | 2021-03-02 | 2022-09-02 | 中国石油化工股份有限公司 | Nozzle for exhaust system and nozzle wind speed adjusting method |
| CN114992832B (en) * | 2021-03-02 | 2024-02-09 | 中国石油化工股份有限公司 | Spout for exhaust system and spout wind speed adjusting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: The head of patent management of Shanghai Zhi Quan Control Equipment Co., Ltd. Document name: Notification that Application Deemed not to be Proposed |
|
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: ZHANG GUOJUN Effective date: 20140403 Owner name: SHANGHAI ZHIQUAN CONTROL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: HU CUIJIAN Effective date: 20140403 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200233 XUHUI, SHANGHAI TO: 201818 JIADING, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140403 Address after: 201818 Shanghai city Jiading District Shenxia Road No. 358 building 3 floor 1 A zone Patentee after: Shanghai wisdom control equipment Co., Ltd. Address before: 200233, 5 floor, building 481, 18 Guiping Road, Shanghai, Xuhui District Patentee before: Hu Cuijian Patentee before: Zhang Guojun |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120912 |
|
| CX01 | Expiry of patent term |