CN202303765U - Control system of air supply air-conditioning unit - Google Patents
Control system of air supply air-conditioning unit Download PDFInfo
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- CN202303765U CN202303765U CN2011203644360U CN201120364436U CN202303765U CN 202303765 U CN202303765 U CN 202303765U CN 2011203644360 U CN2011203644360 U CN 2011203644360U CN 201120364436 U CN201120364436 U CN 201120364436U CN 202303765 U CN202303765 U CN 202303765U
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- 238000004378 air conditioning Methods 0.000 title abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009183 running Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to an air supply air-conditioning unit, in particular to a control system of an air supply air-conditioning unit, which comprises a programmable controller, a micro differential pressure transmitter, an air quantity regulating valve, an air valve actuator, a first fan, a second fan, a first motor, a second motor, a first frequency converter and a second frequency converter. The micro differential pressure transmitter, the air valve actuator, the first frequency converter and the second frequency converter are respectively connected with the programmable controller. The air quantity regulating valve is connected with the air valve actuator. The first motor is connected with the first frequency converter, and the second motor is connected with the second frequency converter. The first fan is connected with the first motor, and the second fan is connected with the second motor. The technical scheme of an embodiment of the control system of the air supply air-conditioning unit is high in reliability and low in energy consumption.
Description
Technical field
The utility model relates to the air supply air-conditioner unit, relates in particular to a kind of air supply air-conditioner unit control system.
Background technology
Blower fan is the mechanical energy that relies on input, improves supply gas the side by side machinery of body of gas pressure, and it is a kind of driven fluid machinery.Blower fan is the custom abbreviation of China to gas compression and gas conveying machinery, and usually said blower fan comprises ventilation blower, air blast.Gas compression and gas conveying machinery are to be the mechanical switch of rotation gas pressure ability and kinetic energy, and the machinery that gas is transferred out.
Minute-pressure difference transmitter is a kind of transmitter the most commonly used in the industrial practice; It is widely used in various industrial automatic control environment, relates to numerous industries such as petroleum pipeline, water conservancy and hydropower, railway traffic, intelligent building, production automatic control, Aero-Space, military project, petrochemical industry, oil well, electric power, boats and ships, lathe, pipeline air-supply, boiler negative pressure.
To be the on-off action that utilizes power semiconductor device be transformed to the electric energy control device of another frequency with power frequency supply with frequency converter, can realize to AC induction motor soft start, frequency control, raising running accuracy, change power factor, overcurrent/overvoltage/functions such as overload protection.
Volume damper is an indispensable central air-conditioning end fitting in ventilation, air conditioning and the air purification engineering of industrial premises civil buildings; Generally be used in air-conditioning; In the air system plumbing, be used for regulating the air quantity of arm, also can be used for the adjusting that mixes of new wind and return air.
Aerated film building be with special building film material as shell, be equipped with one and overlap intelligentized electromechanical equipment and the malleation of air is provided, a kind of architectural structural system that supports building body at the aerated film building interior.Aerated film building has that the span area is big, flexible characteristic, can make to measure to be used for heavy construction, and like air harbor, waiting hall for airplanes, industrial premises, warehouse etc., broader applications are in cultural tour industry, sports industry, environmental protection industry and military industry.
The existing air supply air-conditioner unit that is used for the aerated film building has mainly comprised little differential pressure sensor, wind valve controller, air-valve actuator, blower fan, volume damper, and in operation, blower fan is mainly with the power frequency constant-speed operation; In order to keep the indoor and outdoor draught head of aerated film building safety operation; Regulate intake by volume damper again, but the wearing and tearing of mechanical transmission component have been quickened in the just simple employing power frequency of existing air supply air-conditioner unit control operation; Increased the difficulty of plant maintenance; Reliability decrease, and make whole energy consumption increase greatly, wasted a large amount of resources.
The utility model content
The goal of the invention of the utility model is to provide the air supply air-conditioner unit control system of a kind of high reliability, low energy consumption.
In order to realize the foregoing invention purpose, the technical scheme of the utility model is:
A kind of air supply air-conditioner unit control system is characterized in that:
Comprise programmable controller, minute-pressure difference transmitter, volume damper, air-valve actuator, first blower fan, second blower fan, first motor, second motor, first frequency converter, second frequency converter; Said minute-pressure difference transmitter, air-valve actuator, first frequency converter and second frequency converter connect programmable controller respectively; Said volume damper connects the air-valve actuator; Said first motor connects first frequency converter, and second motor connects second frequency converter; Said first blower fan connects first motor, and second blower fan connects second motor.
Optional, also comprise the fault alarm unit; Said fault alarm unit connects programmable controller.
Optional, also comprise air velocity transducer; Said air velocity transducer connects programmable controller.
Optional, also comprise Temperature Humidity Sensor; Said Temperature Humidity Sensor connects programmable controller.
Optional, also comprise the snow thickness transducer; Said snow thickness transducer connects programmable controller.
The utility model utilizes the variation of the air pressure of minute-pressure difference transmitters sense aerated film building interior; And the standard signal of output corresponding pressure is to programmable controller, and programmable controller sends instruction after handling through inner logical operation after receiving signal; First frequency converter receives instruction back control first motor with corresponding rotational speed; Adjust the air output of first blower fan through the rotation of first motor, until the balance of keeping the inside and outside pressure of aerated film building, second blower fan is as subsequent use; When needs strengthen air output; Send command adapted thereto by programmable controller equally, second Frequency Converter Control, second motor is with corresponding rotational speed, thereby reaches the purpose of the air output of control second blower fan.Wherein first blower fan, second blower fan can with the wear intensity of balanced transmission system, reduce the time between overhauls(TBO) according to the time-interleaved work of programmable controller setting, reduce maintenance difficulties.As the function of complementation, programmable controller sends and instructs to the air-valve actuator, and the control volume damper is adjusted the mixed proportion of new wind and aerated film building interior return air, reduces the load of air-conditioning, reduces the energy consumption of air-conditioning, has practiced thrift a large amount of resources.The utility model has reduced energy consumption through said structure, has improved reliability of system operation.
The utility model also comprises the fault alarm unit, and the fault alarm unit connects programmable controller.The fault alarm unit provides alarm mechanism when breaking down in system, convenient prompting related work personnel's processing, the security that has improved system.
The utility model also comprises air velocity transducer; Air velocity transducer connects programmable controller.Air velocity transducer changes into corresponding signal to programmable controller in order to detect the wind speed of aerated film building external, has improved the reliability of the utility model.
The utility model also comprises Temperature Humidity Sensor; Temperature Humidity Sensor connects programmable controller.Temperature Humidity Sensor has been strengthened the temperature of aerated film building interior, the monitoring of humidity, has improved the reliability of the utility model.
The utility model also comprises the snow thickness transducer; Said snow thickness transducer connects programmable controller.Through the accumulated snow thickness of snow thickness transducer monitoring aerated film building top, prevent that heavy snow from overstocking the danger that causes the top of collapsing, the security that has improved present embodiment.
Therefore, use the technical scheme of the utility model embodiment, high reliability, energy consumption are lower.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model, constitutes the application's a part, does not constitute the improper qualification to the utility model, in the accompanying drawings:
Fig. 1 is a kind of sketch map of the utility model.
The specific embodiment
To combine accompanying drawing and specific embodiment to specify the utility model below, be used for explaining the utility model in the illustrative examples and the explanation of this utility model, but not as the qualification to the utility model.
Embodiment 1:
As shown in Figure 1; Present embodiment discloses a kind of air supply air-conditioner unit control system; It has comprised programmable controller 100, first frequency converter 110, second frequency converter 120, first motor 111, second motor 121, first blower fan 112, second blower fan 122, minute-pressure difference transmitter 130, air-valve actuator 140, volume damper 141, and minute-pressure difference transmitter 130, air-valve actuator 140, first frequency converter 110 and second frequency converter 120 connect programmable controller 100 respectively; Volume damper 141 connects air-valve actuator 140; First motor 111 connects first frequency converter, 110, the second motors 121 and connects second frequency converter 120; First blower fan 112 connects first motor, 111, the second blower fans 122 and connects second motor 121.
When implementing present embodiment, minute-pressure difference transmitter 130 detects the air pressure change in the aerated film building, and the corresponding signal of dynamic transport is to programmable controller 100 simultaneously; Send instruction after inner logical operations are handled through programmable controller 100, first frequency converter 110, second frequency converter 120 receive the control of instruction back corresponding first motor 111, second motor 121 and rotate with corresponding rotating speeds, drive first blower fan 112, the 122 work air-supplies of second blower fan simultaneously; In this process; The control of air output is very accurate, and the air-valve actuator 140 that is provided with is in addition controlled the work of volume damper 141 also according to the instruction of programmable controller 100; Volume damper 141 is in order to adjust the mixed proportion of new wind and return air; Make air output more accurate simultaneously, prevented to cross and sent or send less, reduced the load of blower fan; Reduce energy consumption, practiced thrift the energy.
Wherein the mode of operation is following:
Under normal condition, send instruction to first frequency converter 110 by programmable controller 100, control the rotating speed of first motor 111, thereby reach the air output of control first blower fan 112.Same, be provided with the working time by turns at programmable controller 100, when the time that 112 work of first blower fan are set; Programmable controller 100 sends commands for controlling first blower fan 112 and shuts down; Send commands for controlling second blower fan 122 simultaneously and replace 112 runnings of first blower fan, keeping the pressure of aerated film building interior, first blower fan 112, the operation of second blower fan, 122 cycle alternations; Can keep aerated film building interior normal pressure; Can reduce simultaneously the wear intensity of transmission mechanism, reduce the workload of later stage maintenance, improve the service life of transmission mechanism.
Acutely descend the degradation emergency running into aerated film building interior pressure; When for example the aerated film building is damaged; Minute-pressure difference transmitter 130 detects variation, and Programmable Logic Controller 100 sends instruction, controls the air-supply of turning round simultaneously of first blower fan 112, second blower fan 122; Increase air output, for the aerated film building interior provides corresponding pressure.
Need to prove that present embodiment mainly moves with the mode of frequency conversion, and is special, present embodiment can also be controlled the air output of blower fan through the method for power frequency control.
Embodiment 2:
As shown in Figure 1; Present embodiment has with embodiment 1 different place; Also comprise fault alarm unit 150, air velocity transducer 160, snow thickness transducer 170, Temperature Humidity Sensor 180, fault alarm unit 150, air velocity transducer 160, snow thickness transducer 170, Temperature Humidity Sensor 180 connect programmable controller 100. respectively
Air velocity transducer 160 was in order to the wind speed of monitoring aerated film building external when present embodiment was implemented; Snow thickness transducer 170 was used in winter during sleety weather; Monitoring aerated film building top accumulated snow thickness, Temperature Humidity Sensor 180 are used to monitor data such as the temperature, humidity of aerated film building interior.
Present embodiment is through detecting corresponding data; Change into the signal of telecommunication and transfer to programmable controller 100; Control first blower fan 112, second blower fan 122, volume control damper 141 simultaneously; To reach the purpose of control aerated film building interior pressure, it is more stable more reliable to make that present embodiment uses, and improves the overall safety effect simultaneously
Wherein fault alarm unit 150 is mainly used in when system is breaking down, improves alarm mechanism, reminds the staff to make corresponding emergency measure.
More than technical scheme that the utility model embodiment is provided carried out detailed introduction; Used concrete example among this paper principle and the embodiment of the utility model embodiment are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on the specific embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (5)
1. air supply air-conditioner unit control system is characterized in that:
Comprise programmable controller, minute-pressure difference transmitter, volume damper, air-valve actuator, first blower fan, second blower fan, first motor, second motor, first frequency converter, second frequency converter;
Said minute-pressure difference transmitter, air-valve actuator, first frequency converter and second frequency converter connect programmable controller respectively;
Said volume damper connects the air-valve actuator;
Said first motor connects first frequency converter, and second motor connects second frequency converter;
Said first blower fan connects first motor, and second blower fan connects second motor.
2. a kind of air supply air-conditioner unit control system according to claim 1 is characterized in that:
Also comprise the fault alarm unit;
Said fault alarm unit connects programmable controller.
3. a kind of air supply air-conditioner unit control system according to claim 1 is characterized in that:
Also comprise air velocity transducer;
Said air velocity transducer connects programmable controller.
4. a kind of air supply air-conditioner unit control system according to claim 1 is characterized in that:
Also comprise Temperature Humidity Sensor;
Said Temperature Humidity Sensor connects programmable controller.
5. a kind of air supply air-conditioner unit control system according to claim 1 is characterized in that:
Also comprise the snow thickness transducer;
Said snow thickness transducer connects programmable controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203644360U CN202303765U (en) | 2011-09-27 | 2011-09-27 | Control system of air supply air-conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203644360U CN202303765U (en) | 2011-09-27 | 2011-09-27 | Control system of air supply air-conditioning unit |
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| Publication Number | Publication Date |
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| CN202303765U true CN202303765U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203644360U Expired - Fee Related CN202303765U (en) | 2011-09-27 | 2011-09-27 | Control system of air supply air-conditioning unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101224A (en) * | 2014-07-15 | 2014-10-15 | 中冶南方工程技术有限公司 | Load balancing device and method for exhaust gas fan of heating furnace |
| CN110107999A (en) * | 2019-05-29 | 2019-08-09 | 华翔翔能电气股份有限公司 | A kind of workshop building air conditioner control method and system |
| CN111076387A (en) * | 2019-12-05 | 2020-04-28 | 珠海格力电器股份有限公司 | Variable-frequency centrifugal unit, control method thereof, storage medium and air conditioner |
| CN112484249A (en) * | 2020-11-06 | 2021-03-12 | 珠海格力电器股份有限公司 | Air conditioner control method and device and air conditioner |
-
2011
- 2011-09-27 CN CN2011203644360U patent/CN202303765U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101224A (en) * | 2014-07-15 | 2014-10-15 | 中冶南方工程技术有限公司 | Load balancing device and method for exhaust gas fan of heating furnace |
| CN110107999A (en) * | 2019-05-29 | 2019-08-09 | 华翔翔能电气股份有限公司 | A kind of workshop building air conditioner control method and system |
| CN110107999B (en) * | 2019-05-29 | 2021-01-08 | 华翔翔能科技股份有限公司 | Factory building air conditioner control method and system |
| CN111076387A (en) * | 2019-12-05 | 2020-04-28 | 珠海格力电器股份有限公司 | Variable-frequency centrifugal unit, control method thereof, storage medium and air conditioner |
| CN111076387B (en) * | 2019-12-05 | 2020-12-22 | 珠海格力电器股份有限公司 | Variable-frequency centrifugal unit, control method thereof, storage medium and air conditioner |
| CN112484249A (en) * | 2020-11-06 | 2021-03-12 | 珠海格力电器股份有限公司 | Air conditioner control method and device and air conditioner |
| CN112484249B (en) * | 2020-11-06 | 2021-11-23 | 珠海格力电器股份有限公司 | Air conditioner control method and device and air conditioner |
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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: BEIJING PHARLY MEMBERANCE STRUCTURE TECHNOLOGY CO. Free format text: FORMER OWNER: JIA YUANSHENG Effective date: 20121026 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100022 CHAOYANG, BEIJING TO: 100176 DAXING, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121026 Address after: 100176, Beijing Economic Development Zone, Yizhuang, Yizhuang, a villa three District 24_1 room Patentee after: Beijing pharly fabric structure technology Co. Ltd. Address before: 100022 Beijing city Chaoyang District East Third Ring Road, building No. 39, No. 3106 SOHO14 Patentee before: Jia Yuansheng |
|
| ASS | Succession or assignment of patent right |
Owner name: BEIJING FALI SPORTS FACILITIES ENGINEERING CO., LT Free format text: FORMER OWNER: BEIJING FALI MEMBRANE STRUCTURE TECHNOLOGY CO., LTD. Effective date: 20140710 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140710 Address after: 100176, Beijing Economic Development Zone, Yizhuang, Yizhuang, a villa three District 24_1 room Patentee after: Beijing Fali Sports Facilities Engineering Co., Ltd. Address before: 100176, Beijing Economic Development Zone, Yizhuang, Yizhuang, a villa three District 24_1 room Patentee before: Beijing pharly fabric structure technology Co. Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20190927 |