CN208186897U - The evaporation cooling type cold water heat pump unit of anti-icing fluid is not added in a kind of winter heating - Google Patents
The evaporation cooling type cold water heat pump unit of anti-icing fluid is not added in a kind of winter heating Download PDFInfo
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- CN208186897U CN208186897U CN201820411863.1U CN201820411863U CN208186897U CN 208186897 U CN208186897 U CN 208186897U CN 201820411863 U CN201820411863 U CN 201820411863U CN 208186897 U CN208186897 U CN 208186897U
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- cooling
- connecting tube
- added
- icing fluid
- cold water
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- 238000001816 cooling Methods 0.000 title claims abstract description 89
- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000012530 fluid Substances 0.000 title claims abstract description 19
- 238000001704 evaporation Methods 0.000 title claims abstract description 18
- 230000008020 evaporation Effects 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 239000000498 cooling water Substances 0.000 claims abstract description 23
- 239000003507 refrigerant Substances 0.000 claims description 20
- 239000007921 spray Substances 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses the evaporation cooling type cold water heat pump units that anti-icing fluid is not added in a kind of winter heating, including control system heat-exchange system, refrigerant-cycle systems, cooling water recirculation system and bypath system；The refrigerant-cycle systems include compressor, four-way valve, air cooling fin, cooling coil group, check valve assembly and gas-liquid separator；Control system includes controller, pressure sensor and temperature sensor；Bypath system includes the first bypass branch for connecting the second connecting tube and third connecting tube, is set to the solenoid valve communicated to connect in the first bypass branch with controller.The utility model can reduce cooling water, moreover it is possible to improve unit efficiency, winter air cooling fin is used together with transpiration-cooled heat exchanger, increases heat exchanger area, improves unit heating capacity.
Description
Technical field
The utility model belongs to water cooler field, and in particular to the evaporation cooling type cold water of anti-icing fluid is not added in winter heating
Heat pump unit.
Background technique
When the evaporation cooling type cold water unit heating of early stage, due to being water inside cooling medium, heating is used in winter
Words are easy to freeze.It can only be used as single cooler group, client winter heating can only select boiler or electric heating to heat, and such one
Increase energy consumption instead, does not have an energy-conserving action.Solving this problem, there are two types of schemes, first is that increasing in cooling water antifreeze
Liquid becomes Air-Cooled Heat Pump Unit second is that increasing fin as use in winter.
It is steamed in cooling water addition anti-icing fluid actually there is no evaporation cold unit in winter heating is really solved the problems, such as when heating
Although the unit that feels cold can add anti-icing fluid to reduce cooling water freezing point temperature in cooling water.But filler only considers in design
It is used in summer, and heat dissipation effect is very poor in winter.Heat dissipation capacity in cooling water cannot be taken in air.It causes to cool down in this way
Coolant-temperature gage can be lower and lower, and evaporating temperature also can and then decline, and heating capacity can be smaller and smaller.And anti-icing fluid is added to cooling water
In after understand some and take in air with fan unlatching.To guarantee cooling water freezing point temperature, need to add anti-icing fluid automatically
Device increases the burden of client in this way.
Another way is to increase fin, and evaporation cooling heat exchanger is used in parallel, and summer uses evaporation cold heat exchanger system
It is cold, air cooling fin is switched to winter, does not have to transpiration-cooled heat exchanger, causes unit to take up a large area in this way, is invested big
Very much, and in system matches difficulty is increased.
Utility model content
Purpose of utility model: it is hot that the utility model provides a kind of evaporation cooling type cold water that anti-icing fluid is not added in winter heating
Pump assembly solves the problems, such as that winter unit is unable to run and operating cost is high, structure is complicated.
Technical solution: the evaporation cooling type cold water heat pump unit of anti-icing fluid, including control system is not added in a kind of winter heating
Heat-exchange system, refrigerant-cycle systems, cooling water recirculation system and bypath system；Refrigerant-cycle systems include compressor,
The first connecting tube, the connection four of four-way valve, air cooling fin, cooling coil group, connection compressor refrigerant gas outlet and four-way valve
Port valve and the second connecting tube of air cooling fin inlet are connected to air cooling fin liquid outlet and cooling coil group refrigerant inlet
Third connecting tube, connection check valve assembly and the 4th connecting tube of cooling coil group liquid outlet, connect check valve at check valve assembly
5th connecting tube of component and heat-exchange system and the gas-liquid separator being connect with compressor air intake；The cooling coil group packet
Include no less than two cooling coils；At least provided with one group of blower above cooling coil group；Control system includes controller, difference
Temperature sensing with the pressure sensor of controller communication connection being set in the first connecting tube and for measuring environment temperature
Device；Bypath system includes the first bypass branch for connecting the second connecting tube and third connecting tube, is set in the first bypass branch
With the solenoid valve of controller communication connection；Cooling water recirculation system include be set to spray equipment above cooling coil group, with
The water pump of spray equipment connection and the drip tray being connect by water pump with spray equipment being set to below cooler pan group；Heat exchange
System is connect by four-way valve with gas-liquid separator.
It is provided at least one set of blower above above-mentioned air cooling fin, is radiated for air cooling fin.
In order to reach better refrigeration effect, cooling coil group includes four cooling coils, setting above cooling coil group
Blower quantity it is corresponding with cooling coil quantity.
In addition, unit further include be provided between check valve assembly and heat-exchange system liquid storage device, device for drying and filtering and
Expansion valve.
Check valve assembly is the valve member turned to for fluid commonly used in the art, in order to clearly illustrate unidirectional valve group
Four successively oppositely arranged check valves can be used in the structure of part, guarantee from the liquid of valve export to be one-way flow.
In addition, it is necessary to explanation:
(1) description merely for convenience of the inlet in the utility model and liquid outlet, only for being made in refrigerating circuit
The flow direction of cryogen, the connection type of total are not influenced by the description.
(2) unmentioned in the utility model to run closely related structure with the unit, it is the prior art；
(3) model for the existing equipment used in the utility model is only one of, not to the knot of the utility model
Structure defines.
The utility model has the advantages that the unit of (1) the utility model utilizes air cooling fin, realizes the function of the pre- refrigeration of unit, be not required to
Anti-icing fluid is added when heating in winter in cooling water, unit cooling water during refrigerating operaton is few, reduces
The investment of client's later period operating cost, maintenance are simple；(2) air cooling fin in the unit of the utility model and Cascade System connect
It connects, when temperature is lower in the environment, opens the valve between cooling coil group and compressor, refrigerant directly passes through cooler pan
Pipe group, realize unit can under cooling in summer, winter heating's environment continuous operation；(3) the control essence of the utility model unit
Spend height, small investment, energy-efficient, stable and reliable operation.
Detailed description of the invention
Fig. 1 is 1 structural schematic diagram of embodiment；
Fig. 2 is the refrigerant circulation loop schematic diagram of embodiment 1.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawing.
Embodiment 1: as shown in Figure 1, the transpiration-cooled of anti-icing fluid is not added in a kind of winter heating described in the utility model
Cold water heat pump unit, including control system heat-exchange system, refrigerant-cycle systems, cooling water recirculation system and bypath system；
Refrigerant-cycle systems include 103, two compressor 101, four-way valve 102, air cooling fin concatenated cooling coils
The cooling coil group 104 of composition, the first connecting tube 105 of connection compressor refrigerant gas outlet and four-way valve, connection four-way valve
With the second connecting tube 106 of air cooling fin inlet, be connected to air cooling fin liquid outlet and cooling coil group refrigerant inlet
Third connecting tube 107, check valve assembly 108, connection check valve assembly and cooling coil group liquid outlet the 4th connecting tube 109,
The gas-liquid separator 111 for connecting the 5th connecting tube 110 of check valve assembly and heat-exchange system and being connect with compressor air intake,
Be respectively arranged with two groups of blowers 204 above the top of air cooling fin 103 and cooling coil group, check valve assembly and heat-exchange system it
Between be provided with liquid storage device 112, device for drying and filtering 113 and expansion valve 114；Check valve assembly includes four successively oppositely arranged lists
To valve.
Cooling water recirculation system is filled for reducing the temperature of cooling coil group by being set to the spray above cooling coil group
It sets 201, the water pump 202 that connect with spray equipment and be set to connecting by water pump with spray equipment below cooler pan group
Drip tray 203 forms.
Control system decides whether to enable air cooling fin according to the pressure of measurement connecting tube and the temperature of determination of the environment.Control
System processed is by including controller 301, the respectively pressure sensor 302 being set in the first connecting tube with controller communication connection
And the temperature sensor 303 for measuring environment temperature forms.
Bypath system may make that the series via between air cooling fin and cooling coil group is short-circuit, by the second connecting tube and the
The first bypass branch 401 for being arranged between three connecting tubes and it is set to electromagnetism in the first bypass branch with controller communication connection
Valve 402 forms, and when solenoid valve 402 is opened, air cooling fin is not involved in operation in entire unit at this time.
Four-way valve is the common component for being used for cooling and warming loop switch in the art, and heat-exchange system 5 passes through four-way
Valve is connect with gas-liquid separator 111.
As shown in Fig. 2, the method for operation of the utility model unit is as follows:
(1) refrigerating circuit: the high-temperature high-pressure refrigerant of 101 gas outlet of compressor flows through four-way by the first connecting tube 105
Valve 102 flows through the inlet of air cooling fin 103 by the second connecting tube 106 from the liquid outlet of four-way valve 102, opens air-cooled
Blower 204 above fin, realizes the precooling of refrigerant, liquid outlet of the refrigerant by precooling from air cooling fin 103
Outflow, by third connecting tube 107 enter cooling coil group 104 inlet, in two cooling coils being serially connected into
Row cooling, at this point, water pump 202 send the cooling water in water-collecting tray 203 to spray equipment 201, cools down cooling coil group,
It is located at the blower 204 above cooling coil group simultaneously to open, while cools down to cooling coil group 104；Refrigerant is from cooling
The outflow of coil pipe group liquid outlet, the inlet of check valve assembly 108 is entered by the 4th connecting tube 109, then from check valve assembly
Liquid outlet flow through liquid storage device 112, device for drying and filtering 113 and expansion valve 114, it is logical from the refrigerant of the outlet of expansion valve 114 outflow
It crosses the 5th connecting tube 110 and enters the progress heat exchange of heat-exchange system 5, the refrigerant after heat exchange enters gas-liquid point by four-way valve
From device 111,101 air intake of compressor is subsequently entered, realizes the circulation of entire refrigerating circuit.
Air cooling fin is used in summer as forecooler, not only reduces cooling water, moreover it is possible to improve unit efficiency.
As the pressure≤1.0MPa for the model SK0422A pressure sensor measurement being located in the first connecting tube 105, and
Provided around unit when environment temperature≤20 DEG C of model PT100 temperature sensor measurement, with sensor communication connection
The controller 301 of CR40 model controls the unlatching of solenoid valve 402, at this point, directly passing through first from the refrigerant that 106 pipelines flow out
Bypass branch 401, into 104 inlet of cooling coil group, air cooling fin 103 is not involved in operation in entire unit, ensure that
The condensing pressure of unit guarantees that unit can operate normally cooling condition in low temperature environment.
(2) it heats circuit: entering heat-exchange system 5 from the refrigerant of 101 gas outlet of compressor by four-way valve 102, lead to
It crosses the 5th connecting tube 110 and enters check valve assembly 108, flow through check valve assembly followed by liquid storage device 112, device for drying and filtering
113 and expansion valve 114, the 4th connecting tube 109 is then entered by check valve assembly 108, enters from the 4th connecting tube 109 and cools down
Coil pipe group 104 then enters air cooling fin 103 by third connecting tube 107, passes through the by the refrigerant of air cooling fin 103
Two connecting tubes 106 flow through four-way valve 102, into gas-liquid separator 111, subsequently enter compressor 101, realize following for heating circuit
Ring, the working method of cooling water recirculation system and the working method of refrigerating circuit are identical.
Winter air cooling fin is used together with transpiration-cooled heat exchanger, increases heat exchanger area.Improve unit heating capacity.
As the pressure >=1.2MPa for the model SK0422A pressure sensor measurement being located in the first connecting tube 105, and
The environment temperature of model PT100 temperature sensor measurement provided around unit is higher than 15 DEG C, with sensor communication connection
The controller 301 of CR40 model controls the unlatching of solenoid valve 402, at this point, the refrigerant flowed out from 104 liquid outlet of cooling coil group
Directly by the first bypass branch 401, into four-way valve 402, air cooling fin 103 is not involved in operation in entire unit, guarantees
The evaporating temperature of unit, and the cooling water in cooling water recirculation system will not freeze because temperature is too low, without addition
Refrigerant prevents cooling water freezing, reduces unit operating cost.
It can be seen that from above-mentioned working method, the utility model changes the connection relationship between unit various components, realizes
Air cooling fin and cooling coil group connect and flow through air cooling fin and cooler pan by the change that is turned on or off of solenoid valve
The channel of the refrigerant of pipe group realizes continuous operation of the unit under high temperature or low temperature, simplifies set structure.
Claims (6)
1. the evaporation cooling type cold water heat pump unit that anti-icing fluid is not added in a kind of winter heating, which is characterized in that including control system,
Heat-exchange system, refrigerant-cycle systems, cooling water recirculation system and bypath system；
The refrigerant-cycle systems include compressor, four-way valve, air cooling fin, cooling coil group, connection compressor refrigerant
First connecting tube of gas outlet and four-way valve, is connected to air-cooled wing at connection four-way valve and the second connecting tube of air cooling fin inlet
Piece liquid outlet and the third connecting tube of cooling coil group refrigerant inlet, connect check valve assembly and cooling at check valve assembly
4th connecting tube of coil pipe group liquid outlet, the 5th connecting tube of connection check valve assembly and heat-exchange system and and compressor into vapour
The gas-liquid separator of mouth connection；
The cooling coil group includes no less than two cooling coils；At least provided with one group of wind above the cooling coil group
Machine；
The control system includes controller, the respectively pressure being set in first connecting tube with controller communication connection
Sensor and temperature sensor for measuring environment temperature；
The bypath system includes the first bypass branch for connecting the second connecting tube and third connecting tube, is set to the first bypass branch
The solenoid valve of Guan Shangyu controller communication connection；
The cooling water recirculation system includes the water pump for being set to spray equipment above cooling coil group, connecting with spray equipment
And it is set to the drip tray connecting by water pump with spray equipment below cooler pan group；
The heat-exchange system is connect by four-way valve with gas-liquid separator.
2. the evaporation cooling type cold water heat pump unit of anti-icing fluid is not added in winter heating according to claim 1, feature exists
In the air cooling fin top is provided at least one set of blower.
3. the evaporation cooling type cold water heat pump unit of anti-icing fluid is not added in winter heating according to claim 1, feature exists
In the cooling coil group includes four cooling coils.
4. the evaporation cooling type cold water heat pump unit of anti-icing fluid is not added in winter heating according to claim 3, feature exists
In the blower quantity being arranged above the cooling coil group is corresponding with cooling coil quantity.
5. the evaporation cooling type cold water heat pump unit of anti-icing fluid is not added in winter heating according to claim 1, feature exists
In being provided with liquid storage device, device for drying and filtering and expansion valve between the check valve assembly and heat-exchange system.
6. the evaporation cooling type cold water heat pump unit of anti-icing fluid is not added in winter heating according to claim 1, feature exists
In the check valve assembly includes four successively oppositely arranged check valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820411863.1U CN208186897U (en) | 2018-03-26 | 2018-03-26 | The evaporation cooling type cold water heat pump unit of anti-icing fluid is not added in a kind of winter heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820411863.1U CN208186897U (en) | 2018-03-26 | 2018-03-26 | The evaporation cooling type cold water heat pump unit of anti-icing fluid is not added in a kind of winter heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208186897U true CN208186897U (en) | 2018-12-04 |
Family
ID=64438408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820411863.1U Active CN208186897U (en) | 2018-03-26 | 2018-03-26 | The evaporation cooling type cold water heat pump unit of anti-icing fluid is not added in a kind of winter heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208186897U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928514A (en) * | 2020-06-01 | 2020-11-13 | 重庆通用工业(集团)有限责任公司 | Plate tube heat pump system of evaporation cooling unit |
| CN112197456A (en) * | 2020-10-28 | 2021-01-08 | 佛山市浦路威电器设备有限公司 | Self-descaling double-cooling heat pump unit |
-
2018
- 2018-03-26 CN CN201820411863.1U patent/CN208186897U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928514A (en) * | 2020-06-01 | 2020-11-13 | 重庆通用工业(集团)有限责任公司 | Plate tube heat pump system of evaporation cooling unit |
| CN112197456A (en) * | 2020-10-28 | 2021-01-08 | 佛山市浦路威电器设备有限公司 | Self-descaling double-cooling heat pump unit |
| CN112197456B (en) * | 2020-10-28 | 2024-06-07 | 佛山市浦路威电器设备有限公司 | Self-descaling double-cold-hot pump unit |
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| GR01 | Patent grant |