CN106225128A - A kind of refrigeration equipment - Google Patents
A kind of refrigeration equipment Download PDFInfo
- Publication number
- CN106225128A CN106225128A CN201610783996.7A CN201610783996A CN106225128A CN 106225128 A CN106225128 A CN 106225128A CN 201610783996 A CN201610783996 A CN 201610783996A CN 106225128 A CN106225128 A CN 106225128A
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- CN
- China
- Prior art keywords
- coil
- fan
- condenser
- direct
- expansion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/26—Refrigerant piping
- F24F1/32—Refrigerant piping for connecting the separate outdoor units to indoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to a kind of refrigeration equipment, belong to refrigeration technology field, including being positioned at direct-expansion coil and the expansion valve of indoor cabinet and being positioned at the compressor of outdoor cabinet, condenser fan, condenser coil, fan governor, temperature sensor, reservoir and device for drying and filtering, described indoor cabinet and outdoor cabinet are connected by pipeline；The air vent of described compressor is sequentially connected with condenser coil, reservoir, device for drying and filtering, expansion valve and direct-expansion coil, and the other end of described direct-expansion coil is connected with the air entry of described compressor, forms complete refrigerating circuit；Described temperature sensor is connected with the signal input part of fan governor, and the control output end of described fan governor is connected with condenser fan, and described condenser fan is installed on above described condenser coil.The present invention, can be automatically adjusted air quantity with variation of ambient temperature, has not only saved energy, also can make the operation that unit safety is stable, reach the purpose of year round cooling.
Description
Technical field
The invention belongs to refrigeration technology field, be specifically related to a kind of refrigeration equipment.
Background technology
Along with expanding economy and the raising of living standards of the people, the use of air-conditioning is increasingly extensive, based on energy-conservation and environmental protection
Factor, the cost of conventional air conditioning system is big, energy consumption great achievement people's questions of common concern.With cooling-water machine and air conditioning terminal machine
As a example by the current modal Large Central Air Conditioning System system of the compositions such as group, the pattern of its heat exchange method is cold-producing medium-water-sky
Water is first absorbed heat by gas, i.e. cold-producing medium, generates chilled water, and chilled water is again by end machines such as the fan coils of Pipeline transport to room
In group, by the circulation blowing of unit inner blower, make room air and the chilled water heat exchange in coil pipe, generate " cold air " and blow down
Come.This mode also exists the problems such as initial cost is big, energy consumption is many, present at resource growing tension, energy-conservation necessarily becomes a kind of
Trend.
It addition, there is a kind of refrigeration equipment, it not only without cooling, chilled water system, save cooling tower, water pump, pipe
The investment of the auxiliary devices such as road, and decrease heat exchange link, improve heat exchange efficiency, decrease heat loss.But, existing
The heat of refrigeration equipment discharge is completed by the heat convection of cold-producing medium with air, and ambient temperature is sent out with seasonal variations
Changing, the condensation effect of unit also can be with seasonal variations, i.e. condensation temperature is being continually changing.In order to protect compressor, when cold
The when that solidifying temperature being less than certain value, compressor is not allow to put into.When outdoor temperature is relatively low, and air-conditioned room needs fall
Temperature, and do not allow to send into more new wind, when i.e. using new wind to lower the temperature, the most common refrigeration equipment is to use
's.
Summary of the invention
The technical problem to be solved in the present invention is the drawbacks described above how overcoming prior art, thus provides a kind of energy-saving ring
Protect, safely and steadily run, and system run all right is efficient, service life length refrigeration equipment.
The present invention adopts the following technical scheme that
A kind of refrigeration equipment, including being positioned at direct-expansion coil and the expansion valve of indoor cabinet and being positioned at off-premises station
The compressor of case, condenser fan, condenser coil, fan governor, temperature sensor, reservoir and device for drying and filtering, described room
Interior cabinet and outdoor cabinet are connected by pipeline；The air vent of described compressor is sequentially connected with condenser coil, reservoir, dried
Filter, expansion valve and direct-expansion coil, the other end of described direct-expansion coil is connected with the air entry of described compressor, group
Become complete refrigerating circuit；Described temperature sensor is connected with the signal input part of fan governor, described fan governor
Control output end is connected with condenser fan, and described condenser fan is installed on above described condenser coil.
Being cold-producing medium as flow in optimization, described direct-expansion coil, cold-producing medium directly steams in direct evaporation dish
Send out the heat absorbing direct-expansion coil surrounding air, thus reduce the temperature of air.
As optimization, described indoor cabinet and outdoor cabinet are connected by copper pipe.
As optimization, described condenser fan is driven by Brush-Less DC motor, and condenser fan rotating speed is surveyed according to temperature sensor
The ambient temperature obtained realizes step-less adjustment, thus realizes the step-less adjustment of air quantity so that condensing pressure controls in rational scope
Within.
The invention has the beneficial effects as follows: described condenser fan is driven by Brush-Less DC motor, and condenser fan rotating speed is according to temperature
The ambient temperature that degree sensor records realizes step-less adjustment, thus realizes the step-less adjustment of air quantity so that condensing pressure controls
Within the scope of He Li；During summer operation, ambient temperature is high, and the difference between ambient temperature and condensation temperature is less, the coldest
Solidifying blower fan needs high-speed cruising, provides optimal radiating condition for direct-evaporation-type unit, it is achieved unit Effec-tive Function；Winter or room
When external environment temperature is relatively low, condensation temperature and ambient temperature difference are relatively big, and now condensation fan needs low cruise, makes unit condense
Temperature is unlikely too low, and compressor can run well；In a word, it is ensured that refrigeration system is properly functioning and ensures maximum Energy Efficiency Ratio,
Save the energy；These device energy-conserving and environment-protective, design science, being easily installed, complete equipment can not only run by year round cooling, can maintain again
Its efficient Energy Efficiency Ratio, and system run all right, life-span increase, there is preferable actual application value and promotional value.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of refrigeration equipment of the present invention.
Wherein: 1 be air inlet, 2 be fan assembly, 3 be filter, 4 be direct-expansion coil, 5 be air outlet, 6 for swollen
Swollen valve, 7 be compressor, 8 be condenser fan, 9 be condenser coil, 10 be fan governor, 11 be temperature sensor, 12 for liquid storage
Device, 13 it is device for drying and filtering.
Detailed description of the invention
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is elaborated.
Refering to shown in Fig. 1, a kind of refrigeration equipment, by air inlet 1, fan assembly 2, filter 3, direct-expansion coil
4, air outlet 5, expansion valve 6, compressor 7, condenser fan 8, condenser coil 9, fan governor 10, temperature sensor 11, liquid storage
Device 12, device for drying and filtering 13 form, air inlet 1, fan assembly 2, filter 3, direct-expansion coil 4, air outlet 5, expansion valve 6
It is positioned at indoor cabinet, condenser fan 8, condenser coil 9, fan governor 10, temperature sensor 11, reservoir 12, dry filter
Device 13 is positioned at outdoor cabinet；Air sequentially passes through air inlet 1, fan assembly filter 3, direct-expansion coil 4, air outlet 5 enter
Enter room；The air vent of described compressor 7 is sequentially connected with condenser coil 9, reservoir 12, device for drying and filtering 13, expansion valve 6 and straight
Connecing evaporation coil 4, the other end of described direct-expansion coil 4 is connected with the air entry of described compressor 7, forms complete refrigeration
Loop；Described temperature sensor 11 is connected with the signal input part of fan governor 10, and the control of described fan governor 10 is defeated
Going out end to be connected with condenser fan 8, described condenser fan 8 is installed on above described condenser coil 9.
In described direct-expansion coil 4, flowing is cold-producing medium, and cold-producing medium direct evaporation in direct-expansion coil 4 absorbs
The heat of direct-expansion coil 4 surrounding air, thus reduce the temperature of air.
Described indoor cabinet and outdoor cabinet are connected by copper pipe.
Described condenser fan 8 is driven by Brush-Less DC motor, the ring that condenser fan 8 rotating speed records according to temperature sensor 11
Border temperature realizes step-less adjustment, thus realizes the step-less adjustment of air quantity so that condensing pressure controls within the scope of reasonably；Summer
During Ji Yunhang, ambient temperature is high, and the difference between ambient temperature and condensation temperature is less, and now condensation fan needs high-speed cruising,
Optimal radiating condition is provided, it is achieved unit Effec-tive Function for direct-evaporation-type unit；When winter or outdoor environment temperature are relatively low,
Condensation temperature and ambient temperature difference are relatively big, and now condensation fan needs low cruise, makes unit condensation temperature unlikely too low, compression
Machine can run well.In a word, it is ensured that refrigeration system is properly functioning and ensures maximum Energy Efficiency Ratio, saves the energy.
Described refrigeration equipment operation principle is: first, the low temperature that compressor 7 sucks from direct-expansion coil 4 is low
Compression refrigerant steam, discharges the superheated steam of High Temperature High Pressure after being compressed；Secondly, the cold-producing medium of High Temperature High Pressure enters condensate pans
Pipe 9, the surrounding air relatively low by forced ventilation and the temperature of condenser fan 8 carries out heat exchange, will be discharged in condensation process
Heat pass to air, make gaseous refrigerant be condensed into highly pressurised liquid；Again, highly pressurised liquid flows through reservoir 12, and passes through
The dry filter of device for drying and filtering 13, becomes the liquid refrigerant of low-temp low-pressure after expanded valve 6 reducing pressure by regulating flow；Then, low temperature
The liquid refrigerant of low pressure enters direct-expansion coil 4；Finally, in direct-evaporation-type coil pipe 4, the cold-producing medium of low-temp low-pressure will
Carry out heat exchange, refrigerant liquid generating gasification with surrounding air, after absorbing the heat of surrounding air, become steam, after cooling
The heated humidification of air after be delivered directly to need the occasion of refrigeration, thus reach purpose of freezing, cold-producing medium after gasification steams
Vapour will be inhaled into compressor 7 again, so circulate, and reach purpose of freezing.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
The change expected without creative work or replacement, all should contain within protection scope of the present invention, therefore, and the present invention's
Protection domain should be as the criterion with the protection domain that claims are limited.
Claims (3)
1. a refrigeration equipment, it is characterised in that: include direct-expansion coil (4) and the expansion valve being positioned at indoor cabinet
(6) and be positioned at the compressor (7) of outdoor cabinet, condenser fan (8), condenser coil (9), fan governor (10), temperature pass
Sensor (11), reservoir (12) and device for drying and filtering (13), described indoor cabinet and outdoor cabinet are connected by pipeline；Described pressure
The air vent of contracting machine (7) is sequentially connected with condenser coil (9), reservoir (12), device for drying and filtering (13), expansion valve (6) and directly
Evaporation coil (4), the other end of described direct-expansion coil (4) is connected with the air entry of described compressor (7), forms complete
Refrigerating circuit；Described temperature sensor (11) is connected with the signal input part of fan governor (10), described fan governor
(10) control output end is connected with condenser fan (8), and described condenser fan (8) is installed on described condenser coil (9) top.
2. a kind of refrigeration equipment as claimed in claim 1, it is characterised in that: described direct-expansion coil (4) built-in system
Cryogen.
3. a kind of refrigeration equipment as claimed in claim 1, it is characterised in that: described indoor cabinet and outdoor cabinet pass through
Copper pipe connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783996.7A CN106225128A (en) | 2016-08-31 | 2016-08-31 | A kind of refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783996.7A CN106225128A (en) | 2016-08-31 | 2016-08-31 | A kind of refrigeration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106225128A true CN106225128A (en) | 2016-12-14 |
Family
ID=58072543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610783996.7A Pending CN106225128A (en) | 2016-08-31 | 2016-08-31 | A kind of refrigeration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106225128A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201909402U (en) * | 2011-01-24 | 2011-07-27 | 常光明 | Dual-mode energy-saving precision air conditioner |
| CN103940007A (en) * | 2014-03-24 | 2014-07-23 | 广东石油化工学院 | Direct evaporation type water-cooling fresh air unit |
| CN204227639U (en) * | 2014-11-19 | 2015-03-25 | 贝莱特空调有限公司 | A kind of unitary air handling unit realizing condensing units amount step-less adjustment |
| CN204227617U (en) * | 2014-11-19 | 2015-03-25 | 贝莱特空调有限公司 | A kind of year round cooling type direct-evaporation-type unitary air handling unit |
-
2016
- 2016-08-31 CN CN201610783996.7A patent/CN106225128A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201909402U (en) * | 2011-01-24 | 2011-07-27 | 常光明 | Dual-mode energy-saving precision air conditioner |
| CN103940007A (en) * | 2014-03-24 | 2014-07-23 | 广东石油化工学院 | Direct evaporation type water-cooling fresh air unit |
| CN204227639U (en) * | 2014-11-19 | 2015-03-25 | 贝莱特空调有限公司 | A kind of unitary air handling unit realizing condensing units amount step-less adjustment |
| CN204227617U (en) * | 2014-11-19 | 2015-03-25 | 贝莱特空调有限公司 | A kind of year round cooling type direct-evaporation-type unitary air handling unit |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161214 |