CN215295416U - Water source heat pump cold and hot water unit for ship - Google Patents
Water source heat pump cold and hot water unit for ship Download PDFInfo
- Publication number
- CN215295416U CN215295416U CN202121129291.6U CN202121129291U CN215295416U CN 215295416 U CN215295416 U CN 215295416U CN 202121129291 U CN202121129291 U CN 202121129291U CN 215295416 U CN215295416 U CN 215295416U
- Authority
- CN
- China
- Prior art keywords
- valve
- pipeline
- water source
- heat exchanger
- side heat
- 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.)
- Active
Links
Images
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model discloses a marine water source heat pump cold and hot water unit, which comprises a compressor, wherein the outlet of the compressor is sequentially connected with a water source side heat exchanger, a first stop valve, a drying filter, a second stop valve, an expansion valve, a first one-way valve, a liquid storage device, a use side heat exchanger and a gas-liquid separator through a four-way reversing valve; an electromagnetic valve is connected in parallel between the outlet of the water source side heat exchanger and the inlet of the expansion valve; a second one-way valve is connected in parallel between the outlet of the expansion valve and the inlet of the use side heat exchanger; and two ends of the drying filter are provided with differential pressure sensors. The cold and hot water unit of the marine water source heat pump can be used for refrigerating and heating respectively, and meanwhile, the on-line replacement of the drying filter can be realized, so that the purposes of reliable and efficient operation and one machine with multiple functions of the marine water source heat pump cold and hot water unit are achieved.
Description
Technical Field
The utility model relates to a marine hot and cold water unit field specifically is a marine water source heat pump hot and cold water unit.
Background
With the improvement of living standard of people, the requirement of crew and passengers on the comfort of the marine air conditioner is higher and higher. At present, the marine air conditioner in China has the defects of poor performance, heavy volume, inconvenient use and maintenance, high cost, poor reliability and the like. The marine water source heat pump unit has two modes of refrigeration and heating, wherein one mode is that a four-way reversing valve is adopted for switching, and the other mode is that a water source side and a use side water channel are adopted for switching. In the first mode, when the four-way reversing valve is used for switching, the refrigeration and heating circulation is realized by using one expansion valve and four one-way valves in an auxiliary mode, or the refrigeration and heating circulation is realized by using two expansion valves and two one-way valves in an auxiliary mode, so that the cost is high and the reliability is poor. The second mode operation requires manual operation and is prone to malfunction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a marine water source heat pump hot and cold water unit to solve the problem that the marine water source hot and cold water unit of prior art switches the mode existence, and realize the refrigeration of marine water source heat pump hot and cold water unit and heat the switching, also realize the online change of dry filter simultaneously, reach the purpose that marine water source heat pump hot and cold water unit operation is reliable, high-efficient, with low costs.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
the utility model provides a marine water source heat pump hot and cold water unit, includes refrigeration cycle system, refrigeration cycle system includes compressor, water source side heat exchanger, drier-filter, expansion valve, reservoir, use side heat exchanger, vapour and liquid separator, and wherein, water source side heat exchanger adopts resistant sea water corrosion type sleeve heat exchanger, and use side heat exchanger adopts the corrosion resistant plate heat exchanger of stainless steel, and the reservoir is two-way reservoir, and the expansion valve is any one of thermal expansion valve, electronic expansion valve, capillary, orifice plate.
The refrigeration cycle system is characterized by further comprising a four-way reversing valve, a first one-way valve, a second one-way valve, a first stop valve, a second stop valve, an electromagnetic valve and a differential pressure sensor, wherein the four-way reversing valve is provided with four valve ports, an outlet of a compressor is connected with the first valve port of the four-way reversing valve through a pipeline, the second valve port of the four-way reversing valve is connected with one end of a refrigerant flow channel of the water source side heat exchanger through a pipeline, the other end of the refrigerant flow channel of the water source side heat exchanger is connected with one end of the first stop valve through a pipeline, the other end of the first stop valve is connected with one end of a drying filter through a pipeline, the other end of the drying filter is connected with one end of the second stop valve through a pipeline, and the other end of the second stop valve is connected with one end of an expansion valve through a pipeline; the electromagnetic valve is normally closed when the electromagnetic valve is powered off and opened when the electromagnetic valve is powered on, one end of the electromagnetic valve is communicated to a pipeline between the water source side heat exchanger and the first stop valve through a pipeline bypass, and the other end of the electromagnetic valve is communicated to a pipeline between the second stop valve and the expansion valve through a pipeline bypass. The differential pressure sensor is connected in parallel with the drying filter.
The other end of the expansion valve is connected with the outlet end of the first one-way valve through a pipeline, the inlet end of the first one-way valve is communicated with the interior of the liquid storage device through a pipeline, the interior of the liquid storage device is also connected with one end of a refrigerant flow channel of the using side heat exchanger through a pipeline, the outlet end of the second one-way valve is communicated to a pipeline between the liquid storage device and the using side heat exchanger through a pipeline bypass, the inlet end of the second one-way valve is communicated to a pipeline between the expansion valve and the first one-way valve through a pipeline bypass, the other end of the refrigerant flow channel of the using side heat exchanger is connected with the fourth valve port of the four-way reversing valve through a pipeline, the third valve port of the four-way reversing valve is connected with the inlet of the gas-liquid separator through a pipeline, and the outlet of the gas-liquid separator is connected with the inlet end of the compressor through a pipeline.
The utility model discloses in, water source side heat exchanger is as condenser heat transfer effect when the unit refrigerates, and then is used as the evaporimeter heat transfer when the unit heats.
In order to control the four-way reversing valve and the electromagnetic valve and realize the control of the medium flow direction in the system, the two ends of the drying filter are provided with a differential pressure sensor which is electrically connected with the input end of an external controller, and the output end of the external controller is electrically connected with the input end of the electromagnetic valve. The electromagnetic valve is a normally closed electromagnetic valve, and when the electromagnetic valve is electrified, the electromagnetic valve is opened; when the power is off, the electromagnetic valve is closed to control the flow direction of the medium in the system.
The utility model has the advantages that:
1. the utility model discloses the first check valve of series connection between expansion valve and reservoir, connect the second check valve between the export of expansion valve and the entry of use side heat exchanger, realized the stock solution function under the mode of heating.
2. The utility model discloses set up pressure differential sensor at drier-filter both ends, when drier-filter blockked up, change the refrigerant flow direction through the controller, do not influence the normal work of system, can change drier-filter on line simultaneously.
3. The utility model has low manufacturing cost, high practical value and simple and convenient operation, and realizes multiple purposes.
Drawings
Fig. 1 is a structural schematic diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, the utility model relates to a marine water source heat pump hot and cold water unit, including compressor 1, four-way reversing valve 2, water source side heat exchanger 3, first stop valve 41, second stop valve 42, drier-filter 5, differential pressure sensor 6, solenoid valve 7, expansion valve 8, first check valve 91, second check valve 92, reservoir 10, use side heat exchanger 11, vapour and liquid separator 12.
The outlet of the compressor 1 is connected with a first valve port 2a of the four-way reversing valve 2, and a second valve port 2b of the four-way reversing valve 2 is sequentially connected with a water source side heat exchanger 3, a first stop valve 41, a drying filter 5, a second stop valve 42, an expansion valve 8, a first check valve 91, a liquid reservoir 10, a use side heat exchanger 11 and a fourth valve port 2d of the four-way reversing valve 2; the third valve port 2c of the four-way reversing valve 2 is connected with the inlet of the gas-liquid separator 12, and the outlet of the gas-liquid separator 12 is connected with the inlet of the compressor 1, thereby forming a refrigeration cycle system.
The outlet end of the second check valve 92 is connected to a line between the reservoir 10 and the use-side heat exchanger 11 through a line bypass, and the inlet end of the second check valve 92 is connected to a line between the expansion valve 8 and the first check valve 91 through a line bypass. And a differential pressure sensor 6 is communicated and installed between the two ends of the drying filter 5, the output end of the differential pressure sensor 6 is electrically connected with the input end of an external controller, and the output end of the external controller is electrically connected with the input end of an electromagnetic valve 7. The electromagnetic valve 7 is a normally closed electromagnetic valve which is opened when power is off.
The utility model discloses in, water source side heat exchanger 3 adopts resistant sea water corrosion type shell and tube heat exchanger, use side heat exchanger 11 to adopt corrosion resistant plate heat exchanger, reservoir 10 is two-way reservoir. The expansion valve 8 may be an electronic expansion valve, or a capillary tube, or an orifice plate.
The utility model discloses a concrete theory of operation and process are as follows:
a refrigeration mode: the refrigerant is discharged from the outlet of the compressor 1, passes through the second valve port 2b of the four-way selector valve 2, the water source side heat exchanger 3, the first selector valve 41, the filter drier 5, the second selector valve 42, the expansion valve 8, passes through the second check valve 92, the use side heat exchanger 11 and the fourth valve port 2d of the four-way selector valve 2, and then flows back to the compressor 1 from the third valve port 2C of the four-way selector valve 2 and the gas-liquid separator 12, thereby completing a refrigeration cycle. In this mode, the water source side heat exchanger 3 functions as a condenser to exchange heat and release heat to the seawater, and the side heat exchanger 11 functions as an evaporator to produce low-temperature circulating water. In this mode the first non return valve 91 is not open. In addition, a plurality of drying filters 5 are blocked, the differential pressure sensor 6 feeds back to the controller, and the electromagnetic valve 7 is driven to be opened, so that the normal refrigeration of the system is not influenced.
Heating mode: the refrigerant is discharged from the outlet of the compressor 1, passes through the fourth valve port 2d of the four-way selector valve 2, the use-side heat exchanger 11, the reservoir 10, passes through the first check valve 91, the expansion valve 8, the second stop valve 42, the filter drier 5, the first stop valve 41, the water source-side heat exchanger 3, the second valve port 2b of the four-way selector valve 2, and then flows back into the compressor 1 from the third valve port 2c of the four-way selector valve 2 and the gas-liquid separator 12, thereby completing a heating cycle. In this mode, the water source side heat exchanger 3 functions as an evaporator to exchange heat, absorbs heat from the seawater, and the side heat exchanger 11 functions as a condenser to produce high-temperature circulating water. In which the second check valve 92 is not open. In the same refrigeration mode, the plurality of drying filters 5 are blocked, the differential pressure sensor 6 feeds back to the controller to drive the electromagnetic valve 7 to be opened, and normal heating of the system is not influenced.
The user can select different operation modes according to different seasons, and the marine water source heat pump hot and cold water unit can automatically switch to the selected mode. When the dry filter is blocked by dirt in the system, the differential pressure sensor can feed back information to the controller, the electromagnetic valve bypass is opened, online switching is realized, the first stop valve and the second stop valve at the two ends of the dry filter are closed, and the dry filter can be replaced.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the patent and do not limit the scope of the patent, and various modifications and improvements of the technical solution of the patent made by those skilled in the art without departing from the spirit of the patent design should fall within the protection scope defined by the claims of the patent.
Claims (7)
1. The utility model provides a marine water source heat pump hot and cold water unit, includes refrigeration cycle system, refrigeration cycle system includes compressor, water source side heat exchanger, drier-filter, expansion valve, reservoir, uses side heat exchanger, vapour and liquid separator, its characterized in that: the refrigeration cycle system is characterized by further comprising a four-way reversing valve, a first one-way valve and a second one-way valve, wherein the four-way reversing valve is provided with four valve ports, in the refrigeration cycle system, an outlet of a compressor is connected with the first valve port of the four-way reversing valve through a pipeline, the second valve port of the four-way reversing valve is connected with one end of a refrigerant flow channel of the water source side heat exchanger through a pipeline, the other end of the refrigerant flow channel of the water source side heat exchanger is connected with one end of a drying filter through a pipeline, the other end of the drying filter is connected with one end of an expansion valve through a pipeline, the other end of the expansion valve is connected with an outlet end of the first one-way valve through a pipeline, an inlet end of the first one-way valve is communicated with the liquid reservoir through a pipeline, the liquid reservoir is also connected with one end of the refrigerant flow channel of the use side heat exchanger through a pipeline, and an outlet end of the second one-way valve is communicated with a pipeline between the liquid reservoir and the use side heat exchanger through a pipeline bypass, the inlet end of the second one-way valve is communicated to a pipeline between the expansion valve and the first one-way valve through a pipeline bypass, the other end of a refrigerant flow channel of the use side heat exchanger is connected with a fourth valve port of the four-way reversing valve through a pipeline, a third valve port of the four-way reversing valve is connected with an inlet of a gas-liquid separator through a pipeline, and an outlet of the gas-liquid separator is connected with an inlet of the compressor through a pipeline.
2. The marine water source heat pump chiller-heater unit of claim 1, wherein: the system is characterized by further comprising a first stop valve, a second stop valve and an electromagnetic valve, wherein the first stop valve is communicated and connected to a pipeline between the water source side heat exchanger and the drying filter, the second stop valve is communicated and connected to a pipeline between the drying filter and the expansion valve, the electromagnetic valve is normally closed when the electromagnetic valve is powered off, one end of the electromagnetic valve is communicated to a pipeline between the water source side heat exchanger and the first stop valve through a pipeline bypass, and the other end of the electromagnetic valve is communicated to a pipeline between the second stop valve and the expansion valve through a pipeline bypass.
3. The marine water source heat pump chiller-heater unit of claim 2, wherein: the drying filter is characterized by also comprising a differential pressure sensor which is communicated with the drying filter in parallel.
4. The marine water source heat pump chiller-heater unit of claim 1, wherein: the water source side heat exchanger adopts a seawater corrosion resistant sleeve heat exchanger.
5. The marine water source heat pump chiller-heater unit of claim 1, wherein: the use side heat exchanger adopts a stainless steel plate type heat exchanger.
6. The marine water source heat pump chiller-heater unit of claim 1, wherein: the reservoir is a bidirectional reservoir.
7. The marine water source heat pump chiller-heater unit of claim 1, wherein: the expansion valve is any one of a thermal expansion valve, an electronic expansion valve, a capillary tube and a throttle orifice plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121129291.6U CN215295416U (en) | 2021-05-25 | 2021-05-25 | Water source heat pump cold and hot water unit for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121129291.6U CN215295416U (en) | 2021-05-25 | 2021-05-25 | Water source heat pump cold and hot water unit for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215295416U true CN215295416U (en) | 2021-12-24 |
Family
ID=79542155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121129291.6U Active CN215295416U (en) | 2021-05-25 | 2021-05-25 | Water source heat pump cold and hot water unit for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215295416U (en) |
-
2021
- 2021-05-25 CN CN202121129291.6U patent/CN215295416U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102645060B (en) | Multi-split air conditioning system | |
| CN103206807B (en) | Multi-source heat pump cold and hot water unit integrating solar energy, air energy and sleeve accumulated energy | |
| CN203240838U (en) | Multi-source heat pump cold hot water unit integrating solar energy, air energy and casing pipe energy storage | |
| CN101055129B (en) | Heat pump type air conditioner water heater | |
| CN101871706A (en) | Phase-change energy-storage heat pump water heater | |
| CN101749812A (en) | Multifunctional air-conditioning system | |
| CN201237304Y (en) | Heat pump type air-conditioning and water-heating dual-purpose apparatus | |
| CN101839587A (en) | Household energy recovery trigeneration unit | |
| CN209541217U (en) | One kind can air-cooled cold (heat) the water dispenser group of low temperature total heat recovery | |
| CN101943503B (en) | Air-conditioning refrigeration facility | |
| CN201866989U (en) | Household energy recovery tri-generation unit | |
| CN103388922A (en) | Dual-compressor multifunctional air source heat pump air conditioner system | |
| CN107024022A (en) | Cooling/heating water heating machine group of three heat exchangers with circuit in series formula | |
| CN215295416U (en) | Water source heat pump cold and hot water unit for ship | |
| CN201059703Y (en) | Refrigeration system of air conditioner hot-water multipurpose apparatus | |
| CN2762014Y (en) | Energy-saving air conditioning water heater | |
| CN203478742U (en) | Bidirectional throttling system of air-cooled heat pump unit | |
| CN113294929A (en) | Water source heat pump cold and hot water unit for ship | |
| CN213395913U (en) | Air energy hot water module machine | |
| CN110806037B (en) | Multi-connected air conditioner hot water combined supply system and control method thereof | |
| CN210035871U (en) | Water source heat pump hot water unit | |
| CN209101599U (en) | A kind of multi-functional air conditioner | |
| CN209541218U (en) | It is a kind of can low temperature recuperation of heat air-cooled cold (heat) water dispenser group | |
| CN203518315U (en) | Water-cooling multifunctional heat pump water chilling unit | |
| CN203785316U (en) | Air source heat pump unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |