CN202074654U - Closed-loop control system for controlling constant air volume of purification air conditioner system - Google Patents
Closed-loop control system for controlling constant air volume of purification air conditioner system Download PDFInfo
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- CN202074654U CN202074654U CN2011201706343U CN201120170634U CN202074654U CN 202074654 U CN202074654 U CN 202074654U CN 2011201706343 U CN2011201706343 U CN 2011201706343U CN 201120170634 U CN201120170634 U CN 201120170634U CN 202074654 U CN202074654 U CN 202074654U
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Abstract
The utility model discloses a closed-loop control system for controlling the constant air volume of a purification air conditioner system, which comprises a blowing pipeline which is arranged between a fresh air unit and a circulating unit, and an air-speed detecting unit which is used for instantly detecting the air speed inside the blowing pipeline, an air-volume detecting unit for detecting the air volume of the blowing pipeline, a controller, a parameter setup unit and an alarming prompting unit, wherein the controller can adjust the work frequency of the fresh air unit according to the detected air speed and can adjust the air speed of the air inside the blowing pipeline, the parameter setup unit and the alarming prompting unit are connected with the controller, and a frequency converter of the fresh air unit is controlled by the controller. The closed-loop control system has reasonable design, the wire is convenient to connect, the closed-loop control system is simple and convenient to install and arrange and is simple and convenient to use and operate, the application effect is good, and the problems of the present purification air conditioner system that the application effect is poor, efficient treatment measures cannot be taken when the ventilation air volume is insufficient, the constant air volume cannot be actually realized can be solved.
Description
Technical field
The utility model relates to a kind of closed-loop control system, especially relates to the constant control closed-loop control system of a kind of air cleaning and conditioning system air output.
Background technology
Development and people's improving constantly along with medical skill to the medical condition demand, cleaning to medical surgery room requires also more and more higher, one of main means that solve the operating room cleaning are exactly to be the good wind treatment system (being air cleaning and conditioning system) of operating room configuration, prevent POI to reach the control biological particle.In the actual use, the wind treatment system that is disposed in the operating room all comprises Cycle Unit and new blower fan group usually according to actual needs, and use is closed in above-mentioned Cycle Unit and new blower fan assembly.In the actual use, because the indoor fresh air of clean operation is to gather outdoor air, through behind the multistage filtering, passes through the pure air up to standard of humid heat treatment again, if when employed air was the occupation mode of full processing, full discharging, its wasting of resources was very big.Thereby generally all need adopt circulated air to add the air supply mode of new wind in the operating room, and promptly to gather the air in the operating room and mix with treated new wind after humid heat treatment, to deliver to again and carry out recyclingly in the operating room, this just needs Cycle Unit.And new blower fan group provides a kind of apparatus of air conditioning of fresh air, to satisfy the needs that the operating room personnel breathed and compensated malleation in the indoor exhaust wind holding chamber.The operation principle of new blower fan group be outdoor extraction ozone through just, in, inferior efficient three-stage filtration, after delivering to the Cycle Unit mixer and indoor return air mix by blower fan after the processing such as cool-down dehumidification or intensification, treatedly send into operating room after reaching indoor air-supply point temperature, to improve indoor air quality and to keep indoor malleation.
Nowadays, in the actual use, each pipeline section section institute installed filters (specifically being the multistage filter of being installed on the new blower fan group) in the air cleaning and conditioning system is in case after stopping up, just making new blower fan group deliver to indoor air output reduces, and after new blower fan group is delivered to indoor air output and is reduced, the corresponding alarm that is provided with just can send the alarm of air output deficiency in the air cleaning and conditioning system, in time the blocked state of filter is handled to remind the relevant art personnel.But because when alarm sends the alarm of air output deficiency, new blower fan group is delivered to indoor air output and has been in and reduces state, thereby the constant control of air output of the inreal realization air cleaning and conditioning system of existing air output invariant control system.As everyone knows, be equipped with on the air outlet in the air cleaning and conditioning system between new blower fan group and the Cycle Unit and decide volume damper, in the actual use, by the air quantity detecting unit the new wind air quantity of being delivered to Cycle Unit by new blower fan group is detected in real time, when drawing by new blower fan group, detection delivers to the new wind air quantity of Cycle Unit when excessive, decide volume damper by automatic adjusting, just can realize new wind air quantity is carried out constant control; But, when drawing by new blower fan group, detection delivers to the new wind air quantity of Cycle Unit when too small, when promptly delivering to the new wind deficiency in draught of Cycle Unit, but without any treatment measures, in the time of can only treating that air output is decreased to the alarm threshold value of alarm, alarm sends corresponding alarm so that carry out respective handling, thereby can not realize the constant control of air output veritably.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, provide a kind of air cleaning and conditioning system air output constant control closed-loop control system, it is reasonable in design, easy-to-connect, installation are laid easy and it is easy and simple to handle to use, result of use good, can effectively solve the result of use that existing air cleaning and conditioning system exists relatively poor, when air output is not enough, can not take effective treatment measures, can not really realize problem such as the constant control of air output.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the constant control closed-loop control system of a kind of air cleaning and conditioning system air output, it is characterized in that: the wind speed detecting unit that comprises on the air-supply pipeline that is installed between new blower fan group and the Cycle Unit and the wind speed in the described air-supply pipeline is detected in real time, the air quantity detecting unit that the air output of described air-supply pipeline is detected in real time, the operating frequency of described new blower fan group is adjusted and is tackled mutually the controller that the wind speed in the described air-supply pipeline is adjusted according to the wind speed information that the wind speed detecting unit is detected, parameter set unit of joining with described controller and the alarm unit of controlling by controller, the frequency converter of described new blower fan group is controlled by controller and described frequency converter and controller join, described wind speed detecting unit and air quantity detecting unit all join with controller, and described alarm unit and controller join; Described wind speed detecting unit, controller and frequency converter composition reach the closed-loop control system of the air output of described air-supply pipeline being carried out constant control by the wind speed of adjusting in the described air-supply pipeline.
The constant control closed-loop control system of above-mentioned air cleaning and conditioning system air output is characterized in that: described wind speed detecting unit is the air velocity transducer that is installed on the described air-supply pipeline inner wall.
The constant control closed-loop control system of above-mentioned air cleaning and conditioning system air output is characterized in that: described wind speed detecting unit is installed on the straight horizontal pipeline section in the described air-supply pipeline.
The constant control closed-loop control system of above-mentioned air cleaning and conditioning system air output is characterized in that: also comprise the air quantity detecting unit that the air output to described air-supply pipeline detects in real time, described air quantity detecting unit and controller join.
The constant control closed-loop control system of above-mentioned air cleaning and conditioning system air output is characterized in that: also comprise the volume damper of deciding that is installed on the described air-supply pipeline, describedly decide that volume damper is controlled by controller and itself and controller join.
The constant control closed-loop control system of above-mentioned air cleaning and conditioning system air output, it is characterized in that: the origin or beginning of described air-supply pipeline is installed on the air outlet of described new blower fan group and its end is installed on the air outlet set on the described Cycle Unit, and described volume damper is installed on the described air outlet.
The utility model compared with prior art has the following advantages:
1, reasonable in design, easy-to-connect and installing lay convenient.
2, use is easy and simple to handle, only need wind speed and air quantity in the air-supply pipeline to be detected by wind speed detecting unit and air quantity detecting unit, and the frequency converter of new blower fan group is controlled according to testing result and by controller, just the wind speed in the air-supply pipeline can be adjusted to design load, and the air output in the respective sustain air-supply pipeline is constant.
3, result of use is good, controller carries out Synchronization Control according to wind speed wind speed information that detecting unit detects to the frequency converter of new blower fan group, and with the actual wind speed rapid adjustment of current state to design wind speed, thereby realized under the plugged filter situation, kept the constant purpose of air-supply pipeline air output.
4, input cost is low and popularizing application prospect is extensive, can effectively be suitable for to clean operating room etc. to carry out in the field of the constant control of air output.
In sum, the utility model is reasonable in design, easy-to-connect, installation are laid easy and it is easy and simple to handle to use, result of use good, can effectively solve the result of use that existing air cleaning and conditioning system exists relatively poor, when air output is not enough, can not take effective treatment measures, can not really realize defective and deficiency such as the constant control of air output.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present utility model.
Description of reference numerals:
1-wind speed detecting unit; The 2-frequency converter; The 3-controller;
The 4-parameter set unit; 5-air quantity detecting unit; 6-alarm unit;
7-decides volume damper.
The specific embodiment
As shown in Figure 1, the wind speed detecting unit 1 that the utility model comprises on the air-supply pipeline that is installed between new blower fan group and the Cycle Unit and the wind speed in the described air-supply pipeline is detected in real time, the air quantity detecting unit 5 that the air output of described air-supply pipeline is detected in real time, the operating frequency of described new blower fan group is adjusted and is tackled mutually the controller 3 that the wind speed in the described air-supply pipeline is adjusted according to the wind speed information that wind speed detecting unit 1 is detected, parameter set unit 4 of joining with described controller 3 and the alarm unit of controlling by controller 36, the frequency converter 2 of described new blower fan group is controlled by controller 3 and described frequency converter 2 joins with controller 3, described wind speed detecting unit 1 and air quantity detecting unit 5 all join with controller 3, and described alarm unit 6 joins with controller 3.Described wind speed detecting unit 1, controller 3 and frequency converter 2 compositions reach the closed-loop control system of the air output of described air-supply pipeline being carried out constant control by the wind speed of adjusting in the described air-supply pipeline.
In the present embodiment, the utility model also comprises the alarm unit of being controlled by controller 36, and described alarm unit 6 joins with controller 3.Described wind speed detecting unit 1 is for being installed in the air velocity transducer on the described air-supply pipeline inner wall.During actual the installation, described wind speed detecting unit 1 is installed on the straight horizontal pipeline section in the described air-supply pipeline.
Simultaneously, for realizing accurate control, the utility model also comprises being installed in decides volume damper 7 on the described air-supply pipeline, describedly decides that volume damper 7 is controlled by controller 3 and itself and controller 3 join.In the present embodiment, the origin or beginning of described air-supply pipeline is installed on the air outlet of described new blower fan group and its end is installed on the air outlet set on the described Cycle Unit, and described volume damper 7 is installed on the described air outlet.
Before the use, earlier by design wind speed and design air flow in the described air-supply pipeline of parameter set unit 4 inputs.In the actual use, the wind speed of installing between 1 pair of new blower fan group of described wind speed detecting unit and the Cycle Unit in the air-supply pipeline detects in real time, and the wind speed information synchronous driving is detected to controller 3 in institute; Simultaneously, the air output of 5 pairs of described air-supply pipelines of described air quantity detecting unit detects in real time and the air quantity information synchronization is detected in institute and is sent to controller 3.When the wind speed when the some or a plurality of filters in the described new blower fan group obstruction take place and make in the described air-supply pipeline reduces, controller 3 is controlled frequency converter 2 synchronously, and adjust accordingly by the operating frequency of 2 pairs of described new blower fan groups of frequency converter, wind speed in described air-supply pipeline reaches till the design wind speed (this design wind speed is a wind speed required when reaching design air flow), thereby reaches the purpose of the air output of described air-supply pipeline being carried out constant control.
Simultaneously, because the air output of 5 pairs of described air-supply pipelines of air quantity detecting unit detects in real time, then when the air output in the described air-supply pipeline is excessive, then 3 pairs of controllers are decided volume damper 7 and are regulated and control, and the air output in the described air-supply pipeline is adjusted to design air flow; And it is not enough and when reaching the alarm threshold value of alarm unit 6 or described wind speed detecting unit 1 when detecting wind speed in the air-supply pipeline and reducing when the air output in the described air-supply pipeline, then alarm unit 6 in time sends alarm, so that the blockage problem of filter is carried out respective handling.Thereby in the actual use, the process of after some or a plurality of plugged filter the wind speed in the described air-supply pipeline being regulated and control and the alarm process of alarm unit 6 be contradiction not.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (5)
1. constant control closed-loop control system of air cleaning and conditioning system air output, it is characterized in that: the wind speed detecting unit (1) that comprises on the air-supply pipeline that is installed between new blower fan group and the Cycle Unit and the wind speed in the described air-supply pipeline is detected in real time, the air quantity detecting unit (5) that the air output of described air-supply pipeline is detected in real time, the operating frequency of described new blower fan group is adjusted and is tackled mutually the controller (3) that the wind speed in the described air-supply pipeline is adjusted according to the wind speed information that wind speed detecting unit (1) is detected, parameter set unit (4) of joining with described controller (3) and the alarm unit of controlling by controller (3) (6), the frequency converter of described new blower fan group (2) is controlled by controller (3) and described frequency converter (2) joins with controller (3), described wind speed detecting unit (1) and air quantity detecting unit (5) all join with controller (3), and described alarm unit (6) joins with controller (3); Described wind speed detecting unit (1), controller (3) and frequency converter (2) composition reach the closed-loop control system of the air output of described air-supply pipeline being carried out constant control by the wind speed of adjusting in the described air-supply pipeline.
2. according to the constant control closed-loop control system of the described air cleaning and conditioning system air output of claim 1, it is characterized in that: described wind speed detecting unit (1) is for being installed in the air velocity transducer on the described air-supply pipeline inner wall.
3. according to claim 1 or the constant control closed-loop control system of 2 described air cleaning and conditioning system air outputs, it is characterized in that: described wind speed detecting unit (1) is installed on the straight horizontal pipeline section in the described air-supply pipeline.
4. according to claim 1 or the constant control closed-loop control system of 2 described air cleaning and conditioning system air outputs, it is characterized in that: also comprise being installed in and decide volume damper (7) on the described air-supply pipeline, describedly decide that volume damper (7) is controlled by controller (3) and itself and controller (3) join.
5. according to the constant control closed-loop control system of the described air cleaning and conditioning system air output of claim 4, it is characterized in that: the origin or beginning of described air-supply pipeline is installed on the air outlet of described new blower fan group and its end is installed on the air outlet set on the described Cycle Unit, and described volume damper (7) is installed on the described air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201706343U CN202074654U (en) | 2011-05-25 | 2011-05-25 | Closed-loop control system for controlling constant air volume of purification air conditioner system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201706343U CN202074654U (en) | 2011-05-25 | 2011-05-25 | Closed-loop control system for controlling constant air volume of purification air conditioner system |
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| CN202074654U true CN202074654U (en) | 2011-12-14 |
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| CN2011201706343U Expired - Lifetime CN202074654U (en) | 2011-05-25 | 2011-05-25 | Closed-loop control system for controlling constant air volume of purification air conditioner system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661284A (en) * | 2012-05-30 | 2012-09-12 | 中铁一局集团有限公司 | Energy-saving running control system and method for tunnel construction ventilation system |
| CN103644630A (en) * | 2013-11-28 | 2014-03-19 | 中山市蓝水能源科技发展有限公司 | Central air-conditioning pipeline detection system |
| CN104110794A (en) * | 2014-06-27 | 2014-10-22 | 广东美的制冷设备有限公司 | Air conditioner and air speed control method and device thereof |
| CN104236011A (en) * | 2013-06-24 | 2014-12-24 | 美的集团股份有限公司 | Constant air volume conditioner and control method thereof |
| CN104564766A (en) * | 2014-12-25 | 2015-04-29 | 蚌埠依爱电子科技有限责任公司 | Control method for outputting specified air volume by variable frequency fan under constant pressure |
| WO2016029532A1 (en) * | 2014-08-28 | 2016-03-03 | 中山大洋电机股份有限公司 | Air-conditioning system |
| CN105783209A (en) * | 2014-12-22 | 2016-07-20 | Tcl空调器(中山)有限公司 | Air conditioner and control method thereof |
| WO2018014634A1 (en) * | 2016-07-21 | 2018-01-25 | 广东美的制冷设备有限公司 | Air conditioning air flow volume automatic compensation control method and system, and air conditioner |
| CN108332299A (en) * | 2018-01-30 | 2018-07-27 | 山东耘威医疗科技有限公司 | A kind of laboratory ion cleaning module |
| CN112177961A (en) * | 2020-09-10 | 2021-01-05 | 珠海格力电器股份有限公司 | Fan frequency control method and device, air curtain machine and display cabinet |
-
2011
- 2011-05-25 CN CN2011201706343U patent/CN202074654U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661284A (en) * | 2012-05-30 | 2012-09-12 | 中铁一局集团有限公司 | Energy-saving running control system and method for tunnel construction ventilation system |
| CN104236011B (en) * | 2013-06-24 | 2017-06-30 | 美的集团股份有限公司 | The air-conditioner and its control method of permanent wind amount |
| CN104236011A (en) * | 2013-06-24 | 2014-12-24 | 美的集团股份有限公司 | Constant air volume conditioner and control method thereof |
| CN103644630A (en) * | 2013-11-28 | 2014-03-19 | 中山市蓝水能源科技发展有限公司 | Central air-conditioning pipeline detection system |
| CN104110794A (en) * | 2014-06-27 | 2014-10-22 | 广东美的制冷设备有限公司 | Air conditioner and air speed control method and device thereof |
| CN104110794B (en) * | 2014-06-27 | 2017-06-16 | 广东美的制冷设备有限公司 | Air-conditioning and its wind speed control method and device |
| WO2016029532A1 (en) * | 2014-08-28 | 2016-03-03 | 中山大洋电机股份有限公司 | Air-conditioning system |
| CN105783209A (en) * | 2014-12-22 | 2016-07-20 | Tcl空调器(中山)有限公司 | Air conditioner and control method thereof |
| CN105783209B (en) * | 2014-12-22 | 2019-06-07 | Tcl空调器(中山)有限公司 | Air conditioner and its control method |
| CN104564766A (en) * | 2014-12-25 | 2015-04-29 | 蚌埠依爱电子科技有限责任公司 | Control method for outputting specified air volume by variable frequency fan under constant pressure |
| CN104564766B (en) * | 2014-12-25 | 2016-04-13 | 蚌埠依爱电子科技有限责任公司 | Control method for outputting specified air volume by variable frequency fan under constant pressure |
| WO2018014634A1 (en) * | 2016-07-21 | 2018-01-25 | 广东美的制冷设备有限公司 | Air conditioning air flow volume automatic compensation control method and system, and air conditioner |
| CN108332299A (en) * | 2018-01-30 | 2018-07-27 | 山东耘威医疗科技有限公司 | A kind of laboratory ion cleaning module |
| CN112177961A (en) * | 2020-09-10 | 2021-01-05 | 珠海格力电器股份有限公司 | Fan frequency control method and device, air curtain machine and display cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XI'AN SITENG ENVIRONMENTAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SITENG ENGINEERING CO., LTD., XI'AN Effective date: 20150824 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150824 Address after: 5 building, 9 Times Building, No. three, 710075 hi tech Road, Xi'an hi tech Zone, Shaanxi, China Patentee after: Xi'an four Teng Environmental Technology Co., Ltd. Address before: 710075 No. three, No. 9, hi tech Zone, Xi'an hi tech Zone, Shaanxi Patentee before: Siteng Engineering Co., Ltd., Xi'an |
|
| CX01 | Expiry of patent term |
Granted publication date: 20111214 |
|
| CX01 | Expiry of patent term |