CN208901584U - The high adjustable refrigerating plant of wind pressure air output of all-fresh air - Google Patents
The high adjustable refrigerating plant of wind pressure air output of all-fresh air Download PDFInfo
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- CN208901584U CN208901584U CN201821430109.9U CN201821430109U CN208901584U CN 208901584 U CN208901584 U CN 208901584U CN 201821430109 U CN201821430109 U CN 201821430109U CN 208901584 U CN208901584 U CN 208901584U
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- refrigeration system
- air
- evaporator
- wind pressure
- centrifugal blower
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Abstract
The utility model discloses a kind of high adjustable refrigerating plants of wind pressure air output of all-fresh air, including air duct, refrigeration system A, refrigeration system B, heating system, control unit, axial flow blower, centrifugal blower, the air outlet of centrifugal blower is connected to the air inlet in air duct, refrigeration system A, refrigeration system B distinguishes each free compressor, condenser, evaporator is constituted, refrigeration system A, the condenser of refrigeration system B is arranged together shared axial flow blower, refrigeration system A, the evaporator of refrigeration system B is respectively placed in air duct, heating system electric heating tube is constituted, in the blank pipe that the evaporator that electric heating tube is packed into refrigeration system A is reserved, control unit respectively with compressor, electric heating tube, axial flow blower, centrifugal blower connection, the temperature sensor of the air inlet of centrifugal blower and the signal input part of control unit connect.The utility model can be realized to freeze under heating, higher temperature under ventilation and lower temperature, and realizes air output step-less adjustment.
Description
Technical field
The utility model relates to air conditioning refrigerating plant field, specifically a kind of high wind pressure air output of all-fresh air is adjustable
Refrigerating plant.
Background technique
Air conditioning is carried out for environment in special equipment and needs that wind pressure is high, air output is adjustable, and heating stepping is adjusted, and return air needs
All-fresh air is used, in addition use environment temperature range is wide, and supply air temperature requires lower.In worst hot case, (such as environment temperature is
55 DEG C) under, supply air temperature also requires lower, and air blow and return temperature difference extreme value is larger, is difficult to directly reach using single-stage refrigeration.Low
Heating is required in the case where -45 DEG C of temperature, it is excessively poor using heat pump heating heating effect in the case where -45 DEG C of low temperature, it cannot be right
The space that need to be heated carries out air conditioning.Different loads need to be accessed additionally, due to special purpose, load air quantity requires different and negative
It is larger to carry resistance, it is therefore desirable to centrifugal blower require to can be carried out stepless speed regulation and wind pressure requirement is very high, and wind pressure height is to condensation
The exclusion of water is extremely difficult to by the way of conventional.
Utility model content
The utility model is that condensed water outlet in the case of solving existing air-conditioning all-fresh air refrigeration, heating, high wind pressure, air output can
It adjusts and the problem of reliability, provides that a kind of structure is simple, be easy to implement, equipment and component count are less, high-efficient, maintenance side
Just, the efficient high adjustable refrigerating plant of wind pressure air output of all-fresh air.
In order to achieve the above object, the technology employed by the present utility model is
The high adjustable refrigerating plant of wind pressure air output of all-fresh air, it is characterised in that: including air duct, refrigeration system A, refrigeration system
Unite B, heating system, control unit, axial flow blower, centrifugal blower, and wherein the air inlet of centrifugal blower is connected to outside atmosphere, from
The air outlet of heart blower is connected to the air inlet in air duct, refrigeration system A, refrigeration system B respectively be respectively compressor, condenser,
The circulation loop that evaporator is made up of piping connection, refrigeration system A, refrigeration system B condenser be arranged together and share
Axial flow blower, refrigeration system A, refrigeration system B evaporator be respectively placed in air duct, wherein the evaporator of refrigeration system A towards
The air inlet in air duct, the evaporator of refrigeration system B are located at the evaporator rear of refrigeration system A, heating on air-flow direction
System is made of one or more electric heating tubes, and the evaporator of refrigeration system A is reserved with blank pipe, constitute one of heating system or
In the blank pipe that the evaporator that multiple electric heating tubes are packed into refrigeration system A is reserved, the signal output end of control unit passes through control line
It is connect respectively with compressor, electric heating tube, axial flow blower, the centrifugal blower in refrigeration system A and refrigeration system B, centrifugal blower
Air inlet be additionally provided with temperature sensor, the signal input part of temperature sensor and control unit connects.
The high adjustable refrigerating plant of wind pressure air output of the all-fresh air, it is characterised in that: refrigeration system A and refrigeration system
The condenser of B integrates arranged crosswise.
The high adjustable refrigerating plant of wind pressure air output of the all-fresh air, it is characterised in that: refrigeration system A and refrigeration system
B respectively further comprises filter, throttling set, gas-liquid separator, refrigeration system A and compressor in refrigeration system B, condenser,
Filter, throttling set, evaporator, gas-liquid separator pass sequentially through piping connection into circulation loop respectively.
The high adjustable refrigerating plant of wind pressure air output of the all-fresh air, it is characterised in that: at the air outlet in the air duct
Equipped with water fender.
The high adjustable refrigerating plant of wind pressure air output of the all-fresh air, it is characterised in that: centrifugal blower is to exchange high wind
Pressure energy realizes the blower of stepless speed regulation by input 0~10VDC voltage.
In the utility model:
1, need step by step to reduce wind-warm syndrome, i.e., using second level freeze, evaporator wind path series connection, and second level refrigeration operating condition not
Under conditions of severe, optionally open, when wherein certain grade breaks down, in addition grade still ensures that the certain work of system,
Level two is more energy efficient compared with single level system reliable.To guarantee temperature control, cost and reliability are combined, therefore second level is using fixed
Frequency freezes, and opens I and II refrigeration according to environmental working condition conditions cross or opens two-stage refrigeration simultaneously.
2, heating mode heats mode using two grades of electric heating, since electrothermal tube is installed on out one's intention as revealed in what one says by traditional electrothermal method
Place is also easy to produce open fire in this way, and since its surface temperature is excessively high easily by the roasting deformation of its periphery sheet metal component, is also unfavorable for electric heating guarantor
Shield, and heat unevenly, influence the reliability and safety of unit.Mode is heated using embedded electric heating, by electric heating tube and
Heat exchanger is closely attached together.This mode not only effectively improves the heat exchange efficiency of equipment, but also adds because increasing
The heat exchange area of thermal and air, so that heating device surface temperature substantially reduces, so that the production of open fire can be effectively prevented
It is raw, it is easily installed electric safety device, improves the safety electric performance of equipment.
3, centrifugal blower uses high wind pressure stepless speed-regulating motor, inputs 0~10VDC voltage by control unit and realizes centrifugation
Blower stepless speed regulation, and then reach adjusting air quantity.The exclusion of evaporator condensate is evaporated using air from centrifugal blower is past
The mode of device blowing, which prevents vaporizer side from generating negative pressure condensed water, smoothly to be excluded, and in addition install gear additional using evaporator outlet side
Aerofoil prevents condensed water to be blown out from air outlet.
The control unit of the utility model passes through in control line and electric heating, axial flow blower, centrifugal blower, refrigeration system
Compressor is connected, and controls ventilation, refrigeration system by the way that the environment temperature that temperature sensor at air intlet is experienced is arranged in
A, refrigeration system B and heating system operation.As long as powering on, centrifugal blower is divulged information operating.Refrigeration is interlocked with heating, refrigeration
When work, heating switch is connected, equipment is still freezed without will start heating, only after turning off refrigeration switch, connects heating
Switch and temperature are lower than set temperature, and equipment just starts to heat work.Control unit can export 0~10VDC voltage to centrifugation wind
Machine is adjusted the speed, to realize air output step-less adjustment.
Utility model works mode:
As 0 DEG C of 5 DEG C of < T <, system heating operation, weak thermal starting,
0 DEG C of T <, system heating operation, heat-flash starting；
5 DEG C of 26 DEG C of < T <, ventilation operation；
26 DEG C of 34 DEG C of < T <, refrigerating operaton start compressor 1 or compressor 7 (taking turns to operate)；
34 DEG C of T >, refrigerating operaton, compressor 1 and compressor 7 work.
The utility model has the beneficial effects that:
1) it realizes ventilation, heats (heat-flash or weak heat) under lower temperature, refrigeration (refrigeration system A, refrigeration system under higher temperature
System B takes turns to operate or works at the same time).
2) air output step-less adjustment is realized.
3) second level refrigeration is optionally opened, and when wherein level-one breaks down, in addition grade still ensures that system is certain
Work, level two are more energy efficient compared with single level system reliable.
4) wind direction blows from centrifugal blower toward evaporator and increases water fender, can effectively ensure that the discharge of evaporation condensed water.Cause
Condensed water is caused to arrange to easily cause negative pressure by the way of from centrifugal blower toward evaporator air draught in the very high situation of wind pressure
It does not go out.
5) structure is simple, easy to use, easy to maintenance, high reliablity.
Detailed description of the invention
Fig. 1 is the system schematic of the utility model.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1, the high adjustable refrigerating plant of wind pressure air output of all-fresh air, including air duct, refrigeration system A, refrigeration system
Unite B, heating system, control unit 17, axial flow blower 14, centrifugal blower 15, and wherein the air inlet of centrifugal blower 15 and outside are big
Gas connection, the air outlet of centrifugal blower 15 are connected to the air inlet in air duct, and refrigeration system A, refrigeration system B are respectively respectively to be compressed
The circulation loop that machine, condenser, evaporator are made up of piping connection, refrigeration system A, the condenser 2 of refrigeration system B, condensation
Device 8 is arranged together and shares axial flow blower 14, and refrigeration system A, the evaporator 5 of refrigeration system B, evaporator 11 are respectively placed in wind
In road, wherein the evaporator 5 of refrigeration system A is towards the air inlet in air duct, and the evaporator 11 of refrigeration system B is in air-flow direction
The upper evaporator rear positioned at refrigeration system A, heating system are made of one or more electric heating tubes 13, the steaming of refrigeration system A
Hair device 5 is reserved with blank pipe, and the evaporator 5 for constituting the loading of the one or more electric heating tubes 13 refrigeration system A of heating system is reserved
Blank pipe in, the signal output end of control unit 17 by control line respectively with the compressor in refrigeration system A and refrigeration system B
1,7, electric heating tube 13, axial flow blower 14, the connection of centrifugal blower 15, the air inlet of centrifugal blower 15 are additionally provided with temperature sensor
18, temperature sensor 18 is connect with the signal input part of control unit 17.
The condenser 2,8 of refrigeration system A and refrigeration system B integrates arranged crosswise.
Refrigeration system A and refrigeration system B respectively further comprises filter, throttling set, gas-liquid separator, refrigeration system A and
Compressor, condenser, filter, throttling set, evaporator, gas-liquid separator in refrigeration system B pass sequentially through pipeline respectively
Connect into circulation loop.
Water fender 16 is equipped at the air outlet in air duct.
Centrifugal blower 15 is the blower that the high wind pressure of exchange can realize stepless speed regulation by input 0~10VDC voltage.
The utility model is by refrigeration system A, refrigeration system B, heating system, control unit, axial flow blower 14, centrifugal blower
15, water fender 16 forms.Centrifugal blower 15 is the wind that the high wind pressure of exchange can realize stepless speed regulation by input 0~10VDC voltage
Machine.
Refrigeration system A by compressor 1, condenser 2, filter 3, throttling set 4, evaporator 5, gas-liquid separator 6 successively
By piping connection at circuit.After evaporator 5 is placed in centrifugal blower 15.
Refrigeration system B by compressor 7, condenser 8, filter 9, throttling set 10, evaporator 11, gas-liquid separator 12 according to
It is secondary by piping connection at circuit.Condenser 8 and condenser 2 integrate arranged crosswise, and share axial flow blower 14.It steams
After hair device 11 is placed in evaporator 5, before being placed in water fender 16.
Heating system is made of several groups of electric heating tubes 13, and electric heating tube 13 is placed in the reserved blank pipe of evaporator 11, heating
It is divided to two grades.Electric heating tube 13 and evaporator 5, evaporator 11 share centrifugal blower 15.
Control unit 17 passes through control line and compressor 1, compressor 7, electric heating 13, axial flow blower 14, centrifugal blower 15
It is connected, ventilation, refrigeration system A, system is controlled by the way that the environment temperature T that temperature sensor 18 at air intlet is experienced is arranged in
Cooling system B and heating system operation.As long as powering on, the ventilation operating of centrifugal blower 15.Refrigeration is interlocked with heating, work of freezing
When making, heating switch is connected, equipment is still freezed without will start heating, only after turning off refrigeration switch, is connected heating and is opened
It closes and temperature is lower than set temperature, equipment just starts to heat work.Control unit can export 0~10VDC voltage to centrifugal blower
15 are adjusted the speed, to realize air output step-less adjustment.
Claims (5)
1. the high adjustable refrigerating plant of wind pressure air output of all-fresh air, it is characterised in that: including air duct, refrigeration system A, refrigeration system
B, heating system, control unit, axial flow blower, centrifugal blower, wherein the air inlet of centrifugal blower is connected to outside atmosphere, centrifugation
The air outlet of blower is connected to the air inlet in air duct, and refrigeration system A, refrigeration system B are respectively compressor, condenser, steaming respectively
The circulation loop that is made up of piping connection of hair device, refrigeration system A, refrigeration system B condenser be arranged together simultaneously common axis
Flow fan, refrigeration system A, refrigeration system B evaporator be respectively placed in air duct, wherein the evaporator of refrigeration system A is towards wind
The air inlet in road, the evaporator of refrigeration system B are located at the evaporator rear of refrigeration system A, heating system on air-flow direction
System is made of one or more electric heating tubes, and the evaporator of refrigeration system A is reserved with blank pipe, constitutes one or more of heating system
In the blank pipe that the evaporator that a electric heating tube is packed into refrigeration system A is reserved, the signal output end of control unit passes through control line point
It is not connect with compressor, electric heating tube, axial flow blower, the centrifugal blower in refrigeration system A and refrigeration system B, centrifugal blower
Air inlet is additionally provided with temperature sensor, the signal input part connection of temperature sensor and control unit.
2. the high adjustable refrigerating plant of wind pressure air output of all-fresh air according to claim 1, it is characterised in that: refrigeration system
The condenser of A and refrigeration system B integrate arranged crosswise.
3. the high adjustable refrigerating plant of wind pressure air output of all-fresh air according to claim 1, it is characterised in that: refrigeration system
A and refrigeration system B respectively further comprises filter, throttling set, gas-liquid separator, the compression in refrigeration system A and refrigeration system B
Machine, condenser, filter, throttling set, evaporator, gas-liquid separator pass sequentially through piping connection into circulation loop respectively.
4. the high adjustable refrigerating plant of wind pressure air output of all-fresh air according to claim 1, it is characterised in that: the air duct
Air outlet at be equipped with water fender.
5. the high adjustable refrigerating plant of wind pressure air output of all-fresh air according to claim 1, it is characterised in that: centrifugal blower
The blower of stepless speed regulation can be realized by input 0~10VDC voltage to exchange high wind pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821430109.9U CN208901584U (en) | 2018-09-03 | 2018-09-03 | The high adjustable refrigerating plant of wind pressure air output of all-fresh air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821430109.9U CN208901584U (en) | 2018-09-03 | 2018-09-03 | The high adjustable refrigerating plant of wind pressure air output of all-fresh air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208901584U true CN208901584U (en) | 2019-05-24 |
Family
ID=66571033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821430109.9U Active CN208901584U (en) | 2018-09-03 | 2018-09-03 | The high adjustable refrigerating plant of wind pressure air output of all-fresh air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208901584U (en) |
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2018
- 2018-09-03 CN CN201821430109.9U patent/CN208901584U/en active Active
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