CN205579864U - Air handler temperature control device spacing according to air return temperature control water valve aperture - Google Patents
Air handler temperature control device spacing according to air return temperature control water valve aperture Download PDFInfo
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- CN205579864U CN205579864U CN201620152865.4U CN201620152865U CN205579864U CN 205579864 U CN205579864 U CN 205579864U CN 201620152865 U CN201620152865 U CN 201620152865U CN 205579864 U CN205579864 U CN 205579864U
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Abstract
The utility model relates to an air handler temperature control device spacing according to air return temperature control water valve aperture, its characterized in that: be equipped with the air return temperature sensor in air handler's return air passageway, the air return temperature sensor has temperature measurement head and temperature signal input end, control panel's signal output part connection director's signal input part, the temperature signal input end connection director's of air return temperature sensor air return temperature feedback signal input, air handler's fan rotational speed feedback signal output connection director's fan rotational speed feedback signal input, electric water valve's opening feedback signal output part connection director's opening feedback signal input part, the controller contrasts the air return temperature feedback signal of air return temperature sensor with setting for temperature signal, output electric water valve's aperture control signal, with control electric water valve's aperture in the aperture of setting for is spacing, form the air handler air return temperature 0 structure spacing according to the air return temperature control water valve aperture. The utility model discloses beneficial effect efficient, that energy -conservation saves time and the precision is high has.
Description
Technical field
This utility model relates to a kind of temperature control equipment, especially relates to a kind of according to return air temperature control water valve aperture limit
The air processing machine temperature control equipment of position.Belong to HVAC technical field.
Background technology
In prior art, the ruuning situation of system is had a great impact by the end heat exchange property of central air-conditioning system.Typically
Air processing machine, water route use electric two-way valve carry out break-make control；When air intake parameter is fixed, air quantity is design
During air quantity, only when the water yield and cold are design conditions, import and export the temperature difference and be only designed temperature difference.If actual amount of water is few
In the design water yield, then refrigerating capacity reduces, and the import and export temperature difference of air processing machine can be more than designed temperature difference simultaneously.If actual water
More than the design water yield, then import and export the temperature difference and can be less than designed temperature difference.In order to ensure the energy-saving effect of chilled water system, just must
The phenomenon of " big flow, the little temperature difference " must be limited, it is ensured that the heat transfer effect of end and rational hydraulic equilibrium performance.By sky
The restriction of the exchange capability of heat of gas disposal machine, when return air temperature is relatively low, owing to heat transfer temperature difference is little, water effluent amount should reduce,
Otherwise can cause the super stream of the water yield, reduce the heat-exchanging water temperature difference of this air processing machine.Therefore, when different return water temperatures,
The maximum opening of reply water valve has limited.
Therefore, when air output or return air temperature difference, the aperture of water valve should have been limited.For collection of the prior art
Middle air conditioning system, for making heat exchange conformance with standard reach hydraulically balanced effect simultaneously, it is to avoid " big flow, the little temperature difference ".
The air processing machine of prior art, owing to being not provided with controlling water valve check structure according to return air temperature, exists
Following aspect problem: (1), for avoiding " big flow, the little temperature difference ", needs to manually adjust return air temperature and the water yield, efficiency is low,
Take time and effort.(2) manual adjustment easily produces personal error, and precision is low.For this reason, it may be necessary to design is a kind of according to return air temperature
Degree controls the air processing machine temperature control equipment of water valve check, has, it is provided that make sky while the heat exchange amount of needs
Adjust the actual temperature difference of operation of end of chilled water system more than designed temperature difference, it is to avoid the phenomenon of " big flow, the little temperature difference ",
Ensure the feature of the energy-conservation and comfortableness of air conditioning system.
Utility model content
The purpose of this utility model, is to manually adjust return air temperature and the water yield to solve the air processing machine of prior art,
Have that efficiency is low, take time and effort and personal error, problem that precision is low, it is provided that a kind of control water valve according to return air temperature and open
Spend spacing air processing machine temperature control equipment.Have and avoid " big flow, the little temperature difference " phenomenon, efficiency high, energy-conservation
Save time the feature high with precision.
The purpose of this utility model can reach by following technical solution:
The air processing machine temperature control equipment of water valve check is controlled according to return air temperature, mechanical, electrical including air-treatment
Dynamic water valve, controller and control panel, be provided with blower fan in air processing machine；Its construction features is: at air processing machine
Return air channel in be provided with return air temperature sensor, air processing machine have return air unit, mixed wind unit, filter element,
Refrigeration unit, heating unit, humidifying unit and blowing unit, controller has signal processing unit and feedback information processes
If unit and several input end of analog signal, several analog signal outputs, several digital signal input ends and
Dry digital signal output end；Return air temperature sensor has temperature measuring head and temperature signal outfan, and control panel has aobvious
Display screen and operation button, operation button is opened as manual ringing input, the input setting value of room temperature, dynamoelectric water valve
The spacing value of degree；The signal output part of control panel connects the signal input part of controller, the temperature of return air temperature sensor
Signal output part connects the return air temperature feedback signal input terminal of controller, and the rotation speed of fan feedback signal of air processing machine is defeated
Going out end and connect the rotation speed of fan feedback signal input terminal of controller, the open degree feedback signal output part of dynamoelectric water valve connects control
The open degree feedback signal input part of device；The return air temperature feedback signal of return air temperature sensor is believed by controller with design temperature
Number contrast, the opening control signal of output dynamoelectric water valve, to control the aperture of dynamoelectric water valve at the check set
In, form the air processing machine temperature control system controlling water valve check according to return air temperature.
The purpose of this utility model can also reach by following technical solution:
Further, by controller according to current return air temperature and the deviation of the setting value of room temperature, utilize built-in
After signal processing unit processes, result is sent to the control input of dynamoelectric water valve so that it is enter as control signal
Row synchronization action, controls indoor temperature.
Further, controller is provided with multiple I/O port, and wherein, analog input port AI includes return air temperature signal
Input, dynamoelectric water valve open degree feedback signal input part, rotation speed of fan feedback signal input terminal, analog output port AO
Including dynamoelectric water valve opening control signal outfan, rotation speed of fan control signal outfan, digital quantity input port DI includes
Blower fan start and stop state signal input terminal, manual auto state signal input part, failure alarm signal input, digital quantity is defeated
Go out port DO and include blower fan on off control signal output part, the most automatically changeover control signal outfan.
Further, the outfan at controller connects faulty alarm, and controller has feedback information processing unit,
The rotation speed of fan feedback signal of air processing machine, the open degree feedback of dynamoelectric water valve are believed by the feedback information processing unit of controller
Number it is analyzed processing, forms alarm signal and export the alarm signal input of fault alarm, report to the police with driving malfunction
Device is reported to the police.
Further, signal processing unit has PID arithmetic processing module, and this PID arithmetic processing module is to return air temperature
The temperature feedback signal of sensor and design temperature signal carry out process and form temperature signal, and controller passes through temperature signal control
The aperture of dynamoelectric water valve processed.
Further, the blower fan of air processing machine is the adjustable direct current brushless motor of air quantity or frequency conversion fan, and dynamoelectric water valve is
Motorized adjustment two water-through valve of valve opening can be changed by the signal of telecommunication, the most defeated by the operation key area of control panel
Enter blower fan start stop signal, manual auto state conversion signal, and the blower fan start stop signal input of delivery controller is with manual
Auto state changing over signal inputs.
Further, described mixed wind unit mixes for new wind and return air, and described filter element was used for air filtering
Grain, described humidifying unit is used for increasing air humidity, and air processing machine internal cell structure is followed successively by return air unit, mixed wind
Unit, filter element, refrigeration unit, heating unit, humidifying unit, blowing unit.
Further, described display screen display current indoor temperature and/or design temperature and/or air processing machine start and stop state and
/ or air force.
Further, described controller and control panel are electrically connected by RS485 interface.
This utility model has a following prominent beneficial effect:
1, this utility model utilizes operation button as manual ringing input, inputs the setting value of room temperature, electric water
The spacing value of valve opening；The signal output part of control panel connects the signal input part of controller, return air temperature sensor
Temperature signal outfan connects the return air temperature feedback signal input terminal of controller, the rotation speed of fan feedback letter of air processing machine
Number outfan connects the rotation speed of fan feedback signal input terminal of controller, and the open degree feedback signal output part of dynamoelectric water valve connects
The open degree feedback signal input part of controller；Controller is by the return air temperature feedback signal of return air temperature sensor and setting temperature
Degree signal contrasts, and exports the opening control signal of dynamoelectric water valve, to control the aperture of dynamoelectric water valve in the aperture set
In spacing, form the air processing machine temperature control system controlling water valve check according to return air temperature；Therefore, it is possible to
The air processing machine solving prior art manually adjusts air quantity and the water yield, deposits that efficiency is low, takes time and effort and personal error, essence
Spend low problem, it is to avoid " big flow, the little temperature difference " phenomenon, have be automatically adjusted, efficiency is high, energy-and time-economizing and precision
High beneficial effect.
2, this utility model owing to its operating mode consistently achieves the scope of preferable operating point, its effect under identical operation power
Needs for optimum efficiency and according to user arbitrarily regulate, and the most significantly ensure the energy-saving effect of air conditioning system, again can
Allow user more comfortableness.Display screen can show current indoor temperature and/or design temperature and/or air processing machine start and stop
State and/or air force, reach the effect monitored treatment effect in real time and control in real time.Controller and control panel are permissible
Connected by RS485 interface, be suitable for different workpiece requirements.Controller has can be by operating the signal of key area
Instruction controls the function of conversion between frequency conversion fan manual mode and auto state, and the air output for this air processing machine both may be used
It is controlled manually controlling by controller.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of this utility model specific embodiment 1.
Fig. 2 is the air processing machine internal cell structure block diagram of this utility model specific embodiment 1.
Fig. 3 is the structure chart of the air processing machine of this utility model specific embodiment 1.
Detailed description of the invention
Embodiment below in conjunction with the accompanying drawings further illustrates the detailed description of the invention of utility model.
Specific embodiment 1:
Seeing figures.1.and.2, the present embodiment includes air processing machine 1, dynamoelectric water valve 2, controller 3 and control panel 4,
Air processing machine 1 is provided with blower fan；Return air temperature sensor 5 it is provided with, at air in the return air channel of air processing machine 1
Reason machine 1 has return air unit, mixed wind unit, filter element, refrigeration unit, heating unit, humidifying unit and air-supply list
Unit, controller 3 has signal processing unit and feedback information processing unit and several input end of analog signal, some
Individual analog signal output, several digital signal input ends and several digital signal output ends；Return air temperature sensor 5
Having temperature measuring head and temperature signal outfan, control panel 4 has display screen and operation button, and operation button is as manually
Signal input part, inputs the setting value of room temperature, the spacing value of dynamoelectric water valve 2 aperture；The signal of control panel 4 is defeated
Going out end and connect the signal input part of controller 3, the temperature signal outfan of return air temperature sensor 5 connects controller 3
Return air temperature feedback signal input terminal, the rotation speed of fan feedback signal output of air processing machine 1 connects the wind of controller 3
Machine speed feedback signal input, the open degree feedback signal output part of dynamoelectric water valve 2 connects the open degree feedback letter of controller 3
Number input；The return air temperature feedback signal of return air temperature sensor 5 is contrasted by controller 3 with design temperature signal,
The opening control signal of output dynamoelectric water valve 2, to control the aperture of dynamoelectric water valve 2 in the check set, formed
The air processing machine temperature control system of water valve check is controlled according to return air temperature.
In the present embodiment:
By controller 3 according to current return air temperature and the deviation of the setting value of room temperature, utilize built-in signal processing
After cell processing, result is sent to the control input of dynamoelectric water valve 2 so that it is synchronize as control signal
Action, controls indoor temperature.
Controller 3 is provided with multiple I/O port, wherein, analog input port AI include return air temperature signal input part,
Dynamoelectric water valve 2 open degree feedback signal input part, rotation speed of fan feedback signal input terminal, analog output port AO includes
Dynamoelectric water valve 2 opening control signal outfan, rotation speed of fan control signal outfan, digital quantity input port DI includes wind
Machine start and stop state signal input terminal, manual auto state signal input part, failure alarm signal input, digital output
Port DO includes blower fan on off control signal output part, the most automatically changeover control signal outfan.
Outfan at controller 3 connects faulty alarm 6, and controller 3 has feedback information processing unit, controller
The feedback information processing unit of the 3 rotation speed of fan feedback signal to air processing machine 1, the open degree feedback signal of dynamoelectric water valve 2
It is analyzed processing, forms alarm signal and export the alarm signal input of fault alarm 6, report to the police with driving malfunction
Device 6 is reported to the police.
Signal processing unit has PID arithmetic processing module, and this PID arithmetic processing module is to return air temperature sensor 5
Temperature feedback signal and design temperature signal carry out process and form temperature signal, and controller 3 controls electronic by temperature signal
The aperture of water valve 2.
The blower fan of air processing machine 1 is the adjustable direct current brushless motor of air quantity or frequency conversion fan, and dynamoelectric water valve 2 is for passing through
The signal of telecommunication changes motorized adjustment two water-through valve of valve opening, inputs wind respectively by the operation key area of control panel 4
Machine start stop signal, manual auto state conversion signal, and the blower fan start stop signal input of delivery controller 3 and manually from
Dynamic state transition signals input.
Air processing machine 1 uses the air processing machine of routine techniques, dynamoelectric water valve 2 to use electric adjustable water saving in routine techniques
Valve, controller 3 uses field controller or the singlechip controller of routine techniques, and control panel 4 uses routine techniques band
The display screen of several function signals input button is constituted.
Described mixed wind unit mixes for new wind and return air, and described filter element is used for filtering air particles, described in add
Wet unit is used for increasing air humidity, and air processing machine 1 internal cell structure is followed successively by return air unit, mixed wind unit, mistake
Filter unit, refrigeration unit, heating unit, humidifying unit, blowing unit.
Described display screen shows that current indoor temperature and/or design temperature and/or air processing machine start and stop state and/or air quantity are big
Little.Described controller 3 and control panel 4 are electrically connected by RS485 interface.
Indoor temperature setting value is 23 degree.The detected value of return air temperature is 29 degree.The nominal air delivery of air processing machine is
20000m3/h, specified cold is 120KW.
According to following control planning table, owing to the absolute value of return air temperature Yu the deviation of design temperature is 6 DEG C,
Set water valve check now as 100%.
Table one is absolute value of the bias and the water valve check relation table of return air temperature, design temperature.
Table one
Hereafter, further according to current return air temperature and the deviation of the setting value of room temperature, after utilizing PID arithmetic to process,
Operation result is sent to blower fan and the mechanism of two water-through valves as control signal so that it is carry out synchronization action, two water-through valves
It is not more than above-mentioned water valve check, controls indoor temperature.
The operation principle of the present embodiment is as follows:
Blower fan in air processing machine 1 is the adjustable direct current brushless motor of air quantity or frequency conversion fan, thus air quantity is adjustable.Wind
Machine is from indoor return air, and return air sends into indoor after the heat exchange coil heat exchange in air processing machine 1.Air processing machine 1
Pressure fan static pressure is generally 100-600Pa.
Dynamoelectric water valve 2 is electric control valve, can be changed the aperture of valve, and then the circulation of control valve by the signal of telecommunication
Ability, controls to enter the water yield of heat exchange coil.In actual application, flow inspection can be set at the water outlet of dynamoelectric water valve
Gauge head, detects the flow of dynamoelectric water valve by flow detection head and delivers to the flow feedback input of controller 3, by controlling
Device judges the aperture of dynamoelectric water valve 2 according to flow.
Control panel 4 has display screen and operation button, coordinating of button can input room temperature by display screen with operation
Degree setting value, the memory element of air output size to controller, display screen can show current indoor temperature, design temperature,
The information such as air processing machine start and stop state, air force.Controller has multiple input I and output O port.Wherein, mould
Analog quantity input AI mouth includes return air temperature signal input part, open degree feedback signal input part, rotation speed of fan signal feed back input
End；Analog output AO mouth includes two water-through valve aperture control output ends, rotation speed of fan control signal outfan；Numeral
Amount input DI mouth includes blower fan start stop signal input, manual auto state changing over signal inputs；Digital output DO
Mouth includes blower fan start stop signal outfan, alarm signal output ends.Input/output between control panel and controller can be straight
Connect in succession or connected by RS485 communication interface.Return air temperature is measured by return air temperature sensor and transmits to control
Device processed.
Controller 3 has signal processing unit, and signal processing unit is connected with internal storage unit signal, signal processing list
Unit imports the temperature signal of internal storage unit, draws two water-through valve maximum opening limit signals after process；Signal processing list
PID arithmetic processing module within Yuan carries out process and forms temperature signal, temperature temperature signal and room design temperature signal
Difference signal and maximum opening limit signal connect the aperture of two water-through valves by two water-through valve aperture control output ends of controller
Control input；The air-blower control that temperature signal connects air processing machine by the air-blower control signal output part of controller is believed
Number input, so that temperature signal controls two water-through valves, temperature signal controls the air output of air processing machine.
The rotation speed of fan feedback signal input terminal of the rotation speed of fan feedback signal output connection controller of air processing machine, two
The open degree feedback signal output part of water-through valve connects the open degree feedback signal input part of controller；The blower fan of air processing machine turns
Speed feedback signal, open degree feedback signal transmission to the feedback information processing unit of controller of two water-through valves are analyzed processing,
Connected the alarm signal of fault alarm by the alarm signal output ends of controller after forming alarm signal or non-alarm signal
Number input.Two water-through valves, air processing machine rotating speed working condition can immediate feedback to controller feedback information process
Unit is analyzed, with signal processing unit in the middle of practically necessary two water-through valve apertures, frequency conversion fan rotating speed compare
Relatively, as misfitted, send alarm signal to fault alarm, then send non-alarm signal as coincideing to fault alarm,
Reach the effect of at-once monitor immediate feedback instant alarming, it is to avoid security incident occurs.
The temperature signal of return air temperature sensor stores the internal storage unit of controller 3；The rotation speed of fan of controller 3
Control signal outfan connects the control signal input of frequency conversion fan, and the blower fan start stop signal outfan of controller 3 connects
The blower fan start stop signal input of frequency conversion fan；The signal processing unit of controller 3 imports the air output of internal storage unit
Signal, draws dynamoelectric water valve 2 maximum opening limit signal after process；PID arithmetic within signal processing unit processes mould
Block carries out process and forms temperature signal, temperature signal and the spacing letter of maximum opening temperature signal and room design temperature signal
The aperture of dynamoelectric water valve 2 number is controlled by the dynamoelectric water valve aperture control output end of controller 3；Controller 3 manually from
Dynamic state transition signals outfan connects the manual auto state changing over signal inputs of frequency conversion fan.
Applicant is actually used to be shown:
Air processing machine supplies, backwater temperature difference is certain, and supply water temperature is the highest, and refrigerating capacity amount of decrease is the biggest, and dehumidifying effect declines.
Air-treatment fan delivery is certain, and supply water temperature is certain, and during output change, refrigerating capacity changes with the change of output,
Add up according to partial air datatron properties of product, when supply water temperature is 7 DEG C, when output is reduced to 80%, refrigerating capacity
For original about 92%, illustrate that when output changes the impact on refrigerating capacity is the slowest.
Air processing machine supplies, backwater temperature difference is certain, and when supply water temperature raises, refrigerating capacity is along with minimizing, according to statistics, supplies water
When temperature raises 1 DEG C, refrigerating capacity reduces about 10%, and supply water temperature is the highest, and amount of decrease is the biggest, and dehumidifying effect declines.
Water supply conditions is certain, and when air-treatment fan delivery changes, refrigerating capacity and air-treatment enthalpy difference, along with change, are usually
Refrigerating capacity reduces, and enthalpy difference increases, and specific refrigerating effect blower fan power consumption change is little.
When the air processing machine water-in and water-out temperature difference increases, discharge reduction, the heat transfer coefficient of heat exchange coil is along with reduction.It addition,
Heat transfer temperature difference also there occurs change, and therefore, the refrigerating capacity of air processing machine reduces with the increase of supply backwater temperature difference, according to system
Meter is 7 DEG C when supply water temperature, and confession, backwater temperature difference are in time bringing up to 7 DEG C for 5 DEG C, and refrigerating capacity can reduce about 17%.
Thermal environment condition refers to the comprehensive function that the thermal comfort of human body is occurred by physical parameter.Master in these physical parameters
Air dry-bulb temperature to be included, the relative humidity of air, speed air flow, mean radiant temperature, the metabolism amount of human body
And clothing etc. six.Wherein, temperature and the flowing velocity of air is to evaluate the comfortable bar of thermal environment that air processing machine is provided
The important parameter of part.
Specific embodiment 2:
The present embodiment is except return air temperature, absolute value of the bias and water valve check relation and the specific embodiment of design temperature
Outside 1 difference, remainder is identical with specific embodiment 1.
Table two is absolute value of the bias and the water valve check relation table of return air temperature, design temperature.
Indoor temperature setting value is 25 degree.The detected value of return air temperature is 28 degree.The nominal air delivery of air processing machine is
10000m3/h, specified cold is 70KW.
According to following control planning table, owing to the absolute value of return air temperature Yu the deviation of design temperature is 3 DEG C, set now
Water valve check be 40%.
Table two
Hereafter, further according to current return air temperature and the deviation of the setting value of room temperature, after utilizing PID arithmetic to process,
Operation result is sent to blower fan and the mechanism of two water-through valves as control signal so that it is carry out synchronization action, two water-through valves
It is not more than above-mentioned water valve check, controls indoor temperature.
Two water-through valves are entered by this utility model by the return air temperature signal of return air temperature sensor, room design temperature signal
Row controls, and return air temperature signal controls the air output of air processing machine simultaneously；Sky is made while the heat exchange amount needed is provided
The end adjusting chilled water system runs the actual temperature difference and is more than designed temperature difference, phenomenon, it is ensured that air conditioning system energy-conservation and comfortable
Property.
The above, only this utility model preferably specific embodiment, but protection domain of the present utility model does not limit to
In this, any those familiar with the art is in the range of this utility model discloses, according to of the present utility model
Technical scheme and conceive equivalent or change in addition, broadly falls into protection domain of the present utility model.
Claims (9)
1. control the air processing machine temperature control equipment of water valve check according to return air temperature, including air processing machine
(1), dynamoelectric water valve (2), controller (3) and control panel (4), air processing machine is provided with blower fan in (1)；It is characterized in that:
In the return air channel of air processing machine (1), be provided with return air temperature sensor (5), air processing machine (1) have return air unit,
Mixed wind unit, filter element, refrigeration unit, heating unit, humidifying unit and blowing unit, controller (3) has letter
Number processing unit and feedback information processing unit and several input end of analog signal, several analog signal outputs,
Several digital signal input ends and several digital signal output ends；Return air temperature sensor (5) has temperature measuring head and temperature
Degree signal output part, control panel (4) have display screen and operation button, operation button as manual ringing input,
The input setting value of room temperature, the spacing value of dynamoelectric water valve (2) aperture；The signal output part of control panel (4) connects control
The signal input part of device processed (3), the temperature signal outfan of return air temperature sensor (5) connects the return air temperature of controller (3)
Degree feedback signal input terminal, the rotation speed of fan feedback signal output of air processing machine (1) connects the blower fan of controller (3) and turns
Speed feedback signal input terminal, the open degree feedback signal output part of dynamoelectric water valve (2) connects the open degree feedback signal of controller (3)
Input；The return air temperature feedback signal of return air temperature sensor (5) is contrasted by controller (3) with design temperature signal,
The opening control signal of output dynamoelectric water valve (2), to control the aperture of dynamoelectric water valve (2) in the check set,
Form the air processing machine temperature control system controlling water valve check according to return air temperature.
Air processing machine temperature control equipment the most according to claim 1, it is characterised in that: by controller (3)
According to current return air temperature and the deviation of the setting value of room temperature, after utilizing built-in signal processing unit processes, will
Result is sent to the control input of dynamoelectric water valve (2) as control signal so that it is carry out synchronization action, controls
Indoor temperature.
Air processing machine temperature control equipment the most according to claim 1, it is characterised in that: controller (3) sets
Having multiple I/O port, wherein, analog input port AI includes return air temperature signal input part, dynamoelectric water valve (2)
Open degree feedback signal input part, rotation speed of fan feedback signal input terminal, analog output port AO includes dynamoelectric water valve (2)
Opening control signal outfan, rotation speed of fan control signal outfan, digital quantity input port DI includes blower fan start and stop shape
State signal input part, manual auto state signal input part, failure alarm signal input, digital output port DO
Including blower fan on off control signal output part, the most automatically changeover control signal outfan.
Air processing machine temperature control equipment the most according to claim 1, it is characterised in that: at controller (3)
Outfan connects faulty alarm (6), and controller (3) has feedback information processing unit, the feedback information of controller (3)
Rotation speed of fan feedback signal, the open degree feedback signal of dynamoelectric water valve (2) of air processing machine (1) are analyzed by processing unit
Process, form alarm signal and export the alarm signal input of fault alarm (6), report with driving malfunction alarm (6)
Alert.
Air processing machine temperature control equipment the most according to claim 1, it is characterised in that: signal processing unit
There is PID arithmetic processing module, this PID arithmetic processing module to the temperature feedback signal of return air temperature sensor (5) and
Design temperature signal carries out process and forms temperature signal, and controller (3) controls dynamoelectric water valve (2) by temperature signal
Aperture.
Air processing machine temperature control equipment the most according to claim 1, it is characterised in that: air processing machine (1)
Blower fan be the adjustable direct current brushless motor of air quantity or frequency conversion fan, dynamoelectric water valve (2) is for can change valve by the signal of telecommunication
Motorized adjustment two water-through valve of aperture, by the operation key area of control panel (4) input respectively blower fan start stop signal,
Manual auto state changes signal, and the blower fan start stop signal input of delivery controller (3) and manual auto state are changed
Signal input part.
Air processing machine temperature control equipment the most according to claim 1 and 2, it is characterised in that: described mixed wind
Unit mixes for new wind and return air, and described filter element is used for filtering air particles, and described humidifying unit is used for increasing
Adding air humidity, air processing machine (1) internal cell structure is followed successively by return air unit, mixed wind unit, filter element, system
Cold unit, heating unit, humidifying unit, blowing unit.
Air processing machine temperature control equipment the most according to claim 1, it is characterised in that: described display screen display
Show current indoor temperature and/or design temperature and/or air processing machine start and stop state and/or air force.
9. according to the air processing machine temperature control equipment described in claim 1 to 6 any one, it is characterised in that:
Described controller (3) and control panel (4) are electrically connected by RS485 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152865.4U CN205579864U (en) | 2016-02-28 | 2016-02-28 | Air handler temperature control device spacing according to air return temperature control water valve aperture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152865.4U CN205579864U (en) | 2016-02-28 | 2016-02-28 | Air handler temperature control device spacing according to air return temperature control water valve aperture |
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| CN205579864U true CN205579864U (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620152865.4U Active CN205579864U (en) | 2016-02-28 | 2016-02-28 | Air handler temperature control device spacing according to air return temperature control water valve aperture |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588289A (en) * | 2016-02-28 | 2016-05-18 | 广州市设计院 | Temperature control device controlling opening degree limit of water valve according to return air temperature for air processor |
| CN114604057A (en) * | 2022-03-22 | 2022-06-10 | 陕西泰德汽车空调有限公司 | Method for controlling uniformity and linearity of temperature of HVAC (heating, ventilating and air conditioning) air outlet |
-
2016
- 2016-02-28 CN CN201620152865.4U patent/CN205579864U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588289A (en) * | 2016-02-28 | 2016-05-18 | 广州市设计院 | Temperature control device controlling opening degree limit of water valve according to return air temperature for air processor |
| CN114604057A (en) * | 2022-03-22 | 2022-06-10 | 陕西泰德汽车空调有限公司 | Method for controlling uniformity and linearity of temperature of HVAC (heating, ventilating and air conditioning) air outlet |
| CN114604057B (en) * | 2022-03-22 | 2024-05-24 | 陕西泰德汽车空调有限公司 | Method for controlling temperature uniformity and linearity of HVAC (heating, ventilation and air conditioning) air outlet of air conditioner |
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