CN203744470U - Air volume adjustment management system based on direct digital control (DDC) controller - Google Patents
Air volume adjustment management system based on direct digital control (DDC) controller Download PDFInfo
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- CN203744470U CN203744470U CN201420150585.0U CN201420150585U CN203744470U CN 203744470 U CN203744470 U CN 203744470U CN 201420150585 U CN201420150585 U CN 201420150585U CN 203744470 U CN203744470 U CN 203744470U
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- air
- ddc controller
- management system
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- 238000001914 filtration Methods 0.000 claims description 7
- 238000005057 refrigeration Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 3
- 238000004378 air conditioning Methods 0.000 description 6
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model provides an air volume adjustment management system based on a direct digital control (DDC) controller. The air volume adjustment management system based on the DDC controller belongs to a central air conditioner air volume adjustment management system, which comprises a filter, a heater, a refrigerator and a fan which are orderly arranged from an air inlet and an air outlet, and further comprises an air door and a DDC controller, wherein an air inlet door is arranged on the position of the air inlet, the air inlet door is connected with an air inlet control actuator which is used to control an air door switch, the air inlet control actuator is connected with the DDC controller through data wire, the fan is connected with a frequency changer, and the frequency changer is connected with the DDC controller through the data wire, The air volume adjustment management system based on the DDC controller transmits out data through a temperature sensor and a pressure sensor, uniformly processes in a DDC control system, and can uniformly adjust and control the fan and the air door, thereby controlling air outlet amount. The air volume adjustment management system based on the DDC controller further can carry out particular programs according to recorded information in advance.
Description
Technical field
The utility model relates to a kind of air quantity of central air conditioner and regulates management system, and particularly a kind of air quantity based on DDC controller regulates management system.
Background technology
Central air conditioner system is the indispensable facility of contemporary heavy construction, its plant capacity is large, energy consumption is high, operating cost is also high, therefore paying all expenses of central air conditioner system is great expenses, it is to reduce costs that central air conditioner system is carried out to reducing energy consumption, increases an effective way of benefit.Current central air-conditioning energy way is a lot, is mainly for device energy conservation, and the optimal control of having ignored end is energy-conservation.Base oneself upon just system management and want benefit, the optimization unified management of fan coil, is ensureing under the prerequisite of environmental degree of comfort, controls CO well
2concentration, at the minimum fresh air requirmente of extreme weather, at the maximum resh air requirement of transition season.By the optimum management of end, focus on Air Conditioning Facilities, could realize real energy saving of system.Existing Long-distance Control is mainly to adopt PLC to realize, and prior art lacks systematicness, and the control object of frequency conversion wind cabinet is not adjusting itself.
Utility model content
For solve above-mentioned can only be to the problem of single blower fan and airdoor control, the utility model provides a kind of variable air rate management system based on DDC controller, can accessible access automatic building control system by BACNET agreement, solve in prior art by PLC single line regulation and control unit, need, by every function unified adjusting in DDC, to realize air-conditioning air volume and regulate and control unified carrying out.
For achieving the above object, the utility model provides the management system of the variable air rate based on DDC controller, comprise the filter, heater, refrigerator and the blower fan that from air intake vent to air outlet, set gradually, it also comprises DDC controller, described air intake vent position is provided with inlet air air door, described inlet air air door connects the inlet air control actuator for controlling air door switch, and inlet air control actuator connects DDC controller by data wire; Described blower fan connects frequency converter, and described frequency converter connects DDC controller by data wire.
Described filter is also provided with filtration pressure difference sensor, and filtration pressure difference sensor connects DDC controller by data wire.
Described heater be provided be respectively used to by-pass valve control add thermal control actuator, described refrigerator is provided with for by-pass valve control refrigeration control actuator, adds thermal control actuator and is connected DDC controller with refrigeration control actuator by data wire.
Described heater is provided with heating-up temperature sensor, and described refrigerator is provided with cryogenic temperature sensor, and heating-up temperature sensor is connected DDC controller with cryogenic temperature sensor by data wire.
Between described air intake vent and filter, be provided with return air inlet.
Described return air inlet position is provided with return air air door, and described return air air door connects the return air control actuator for controlling return air air door switch, and described return air control actuator connects DDC controller by data wire.
Described air outlet position is provided with air-out pressure sensor, and described air-out pressure sensor connects DDC controller by data wire.
It also comprises and is arranged on indoor manual temperature regulator and manual CO
2modulator, described DDC controller connects manual temperature regulator and manual CO by data wire
2modulator.
The beneficial effects of the utility model: the utility model utilize DDC controller from the collection of parameter, be transferred to the links such as control and all adopt digital control function to realize, while, a digitial controller can be realized the function of multiple conventional instrument controllers, can have the feature of the control loop of multiple different objects.Process by the data that temperature sensor, differential pressure pickup are provided, make the opening angle regulation and control of blower fan blowing amount and air door, the air quantity of whole system is unified to control.
Further, in DDC controller, can also set as required coil pipe timing on off control, according to environment temperature water adjusting valve aperture with according to CO
2concentration is adjusted new wind ratio, reduces energy waste.
Brief description of the drawings
Fig. 1 is the variable air rate management system structural representation based on DDC controller.
Detailed description of the invention
Embodiment 1
The variable air rate management system based on DDC controller as shown in Figure 1, comprise the filter 1, heater 2, refrigerator 3 and the blower fan 4 that set gradually to air outlet 6 from air intake vent 5, it also comprises and DDC controller 8, air intake vent 5 positions are provided with inlet air air door 51, the inlet air control actuator 52 that inlet air air door 51 connects for controlling air door switch, inlet air control actuator 52 connects DDC controller 8 by data wire, and blower fan 4 connects frequency converter 41, and frequency converter 41 connects DDC controller 8 by data wire.
In this management system, in central air-conditioning, realize basic function by filter 1, heater 2, refrigerator 3 and blower fan 4, as filtered dust, heating or cooling air; Blower fan 4 provides the power of wind flow to whole system, DDC controller 8 regulates blower fan 4 air quantity by instruction frequency converter 41, thereby regulates the air output of whole system.DDC controller 8, to instruction inlet air control actuator 52, is controlled the opening angle of inlet air air door 51, thereby is adjusted the resh air requirement that enters air-conditioning system.This management system is unified regulation and control by DDC controller 8 to the air quantity that enters of whole system.In native system, can also the second differential pressure pickup 42, the second differential pressure pickups 42 be set respectively at blower fan 4 air-out and air intake vent and go out wind pressure for measuring blower fan 4.Being arranged on air intake vent 5 positions is similarly DDC controller 8 data is provided for measuring the inlet air temperature sensor of air intake vent 5 air themperatures.
Filter 1 is also provided with filtration pressure difference sensor 11, and filtration pressure difference sensor 11 connects DDC controller 8 by data wire.Filtration pressure difference sensor 11 provides data for DDC controller 8, so that prompting staff changes filter 11.
Heater 2 is provided with heating-up temperature sensor 22, and refrigerator 3 is provided with cryogenic temperature sensor 32, and heating-up temperature sensor 22 is connected DDC controller 8 with cryogenic temperature sensor 32 by data wire.Heater 2 be provided be respectively used to by-pass valve control add thermal control actuator 21, refrigerator 3 is provided with for by-pass valve control refrigeration control actuator 31, adds thermal control actuator 22 and is connected DDC controller 8 with refrigeration control actuator 31 by data wire.The data that DDC controller 8 can provide according to heating-up temperature sensor 22 and cryogenic temperature sensor 32 are automatically controlled and are added thermal control actuator 21 and refrigeration control actuator 31, make its by-pass valve control aperture, are convenient to control air themperature.
Embodiment 2
The present embodiment provides a kind of variable air rate management system based on DDC controller with return air inlet, and its basic operation method is identical with the variable air rate management system based on DDC controller in embodiment 1.
Between air intake vent 5 and filter 1, be provided with return air inlet 7.Return air inlet 7 positions are provided with return air air door 71, the return air control actuator 72 that return air air door 71 connects for controlling return air air door 71 switches, and return air control actuator 72 connects DDC controller 8 by data wire.The air that air outlet 6 is exported enter indoor after, returned in air-conditioning system by return air inlet 7, avoid indoor air to be directly discharged in atmosphere, avoid the waste of resource.Return air inlet 7 positions can also be provided for measuring the return air temperature sensor 73 of return air inlet 7 air themperatures.
Air outlet 6 positions are provided with air-out pressure sensor 61, and described air-out pressure sensor 61 connects DDC controller 8 by data wire.The air-out pressure sensor 61 that air outlet 6 arranges provides tuyere air volume data for DDC controller 8, for the regulation and control of whole system provide data.
This management provides and also comprises and be arranged on indoor manual temperature regulator 91 and manual CO
2modulator 92, described DDC controller 8 connects manual temperature regulator 91 and manual CO by data wire
2modulator 92.Indoor personnel can manually adjust manual temperature regulator 91, manual CO with reality impression as required
2modulator 92, regulates and controls whole system, makes indoor temperature and CO
2concentration remain on suitable state.
This management system can also, according to the switch time of the performing a programme control whole system setting in advance, for example, when weekend, nobody handled official business, be closed whole system automatically, further saves the energy.
Claims (8)
1. the variable air rate management system based on DDC controller, comprise the filter, heater, refrigerator and the blower fan that from air intake vent to air outlet, set gradually, it also comprises DDC controller and frequency converter, it is characterized in that: described air intake vent position is provided with inlet air air door, described inlet air air door connects the inlet air control actuator for controlling air door switch, and inlet air control actuator connects DDC controller by data wire; Described blower fan connects frequency converter, and described frequency converter connects DDC controller by data wire.
2. the variable air rate management system based on DDC controller according to claim 1, is characterized in that: described filter is also provided with filtration pressure difference sensor, and filtration pressure difference sensor connects DDC controller by data wire.
3. the variable air rate management system based on DDC controller according to claim 1, it is characterized in that: described heater be provided be respectively used to by-pass valve control add thermal control actuator, described refrigerator is provided with for by-pass valve control refrigeration control actuator, adds thermal control actuator and is connected DDC controller with refrigeration control actuator by data wire.
4. the variable air rate management system based on DDC controller according to claim 1, it is characterized in that: described heater is provided with heating-up temperature sensor, described refrigerator is provided with cryogenic temperature sensor, and heating-up temperature sensor is connected DDC controller with cryogenic temperature sensor by data wire.
5. the variable air rate management system based on DDC controller according to claim 1, is characterized in that: between described air intake vent and filter, be provided with return air inlet.
6. the variable air rate management system based on DDC controller according to claim 5, it is characterized in that: described return air inlet position is provided with return air air door, described return air air door connects the return air control actuator for controlling return air air door switch, and described return air control actuator connects DDC controller by data wire.
7. the variable air rate management system based on DDC controller according to claim 1, is characterized in that: described air outlet position is provided with air-out pressure sensor, and described air-out pressure sensor connects DDC controller by data wire.
8. according to the variable air rate management system based on DDC controller described in claim 1-7 any one, it is characterized in that: it also comprises and is arranged on indoor manual temperature regulator and manual CO
2modulator, described DDC controller connects manual temperature regulator and manual CO by data wire
2modulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420150585.0U CN203744470U (en) | 2014-03-31 | 2014-03-31 | Air volume adjustment management system based on direct digital control (DDC) controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420150585.0U CN203744470U (en) | 2014-03-31 | 2014-03-31 | Air volume adjustment management system based on direct digital control (DDC) controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203744470U true CN203744470U (en) | 2014-07-30 |
Family
ID=51344261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420150585.0U Expired - Lifetime CN203744470U (en) | 2014-03-31 | 2014-03-31 | Air volume adjustment management system based on direct digital control (DDC) controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203744470U (en) |
-
2014
- 2014-03-31 CN CN201420150585.0U patent/CN203744470U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN AILVDI ENERGY ENVIRONMENTAL TECHNOLOGY CO Free format text: FORMER NAME: SHENZHEN ZUOXIA TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518000, 6 floor, Nangang business building, former sea road, Nanshan District, Shenzhen, Guangdong Patentee after: SHENZHEN ALD ENERGY & ENVIRONMENT TECHNOLOGY Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Shenzhen city Nanshan District Xinhai building, Nanshan Road 8G Patentee before: SHENZHEN ZUOXIA TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |
Address after: 518000 11a, Xinhai building, 2329 Nanshan Avenue, Honghuayuan community, Nantou street, Nanshan District, Shenzhen, Guangdong Patentee after: SHENZHEN ALD ENERGY & ENVIRONMENT TECHNOLOGY Co.,Ltd. Address before: 518000 floor 6, Nangang business building, Qianhai Road, Nanshan District, Shenzhen, Guangdong Patentee before: SHENZHEN ALD ENERGY & ENVIRONMENT TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
|
| CX01 | Expiry of patent term |