CN219531282U - Medical efficient split type water chilling unit - Google Patents
Medical efficient split type water chilling unit Download PDFInfo
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- CN219531282U CN219531282U CN202320621403.2U CN202320621403U CN219531282U CN 219531282 U CN219531282 U CN 219531282U CN 202320621403 U CN202320621403 U CN 202320621403U CN 219531282 U CN219531282 U CN 219531282U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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Abstract
The utility model provides a medical efficient split-type water chilling unit, which comprises: a split-type refrigeration unit and a controller. The refrigerating system of the split refrigerating unit is a double system, and is used for independent refrigeration and is in a standby relation; the indoor unit comprises an outdoor unit and an indoor unit, wherein the outdoor unit and the indoor unit are arranged outdoors and connected through a pipeline. The controller of the split refrigerating unit collects data of a temperature sensor and a pressure sensor, and controls the start and stop of equipment and speed adjustment. The circulating medium of the refrigerating unit in the application does not need special antifreezing cooling liquid, and can provide 5-35 ℃ chilled water for medical equipment all the year round, thereby meeting the requirements of the medical equipment on the chilled water. The split water chilling unit can also be used for cooling other process equipment, such as plastic, electronic manufacturing, electroplating, pharmaceutical chemical industry, ultrasonic cooling, printing and other fields.
Description
Technical Field
The utility model relates to an application of a split type water chilling unit in the medical field.
Background
In the medical field, medical equipment such as nuclear magnetic resonance and cyclotrons need to use chilled water with a certain temperature throughout the year, the cold water load is mainly related to the heating value of the medical equipment, the influence of the outdoor environment temperature is small, and even in winter with low outdoor environment temperature, the cold load of the medical equipment is still large. The integral air-cooled chiller is usually used for supplying chilled water, and is arranged outdoors, a part of water pipelines are also arranged outdoors, and in cold areas in winter, the evaporator of the air-cooled chiller and the outdoor water pipelines are easy to freeze under the condition of stopping the machine, so that the evaporator or the pipelines are frozen, and the machine has great potential safety hazard. Therefore, how to safely, reliably and stably provide chilled water for medical devices even in winter is a problem to be solved.
Disclosure of Invention
The utility model aims to provide a medical efficient split type water chilling unit which can safely, reliably and stably provide medical chilled water at the temperature of 5-35 ℃ under the extreme weather condition of the ambient temperature of-25-46 ℃.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
a medical efficient split chiller, comprising:
the split type refrigerating unit comprises two refrigerating systems, namely a refrigerating system a and a refrigerating system b, wherein the refrigerating system a and the refrigerating system b are independent refrigerating systems, and are in a standby relation; the outdoor unit of the split refrigerating unit is arranged outdoors, and the main components of the outdoor unit comprise a condenser and a condensing fan; the indoor unit of the split refrigerating unit is arranged indoors and mainly comprises a compressor, an evaporator, an expansion valve, a dry filter, an internal water tank, an internal water pump and a water filter; the outdoor unit of the split-type refrigerating unit is connected with the indoor unit of the split-type refrigerating unit through a pipeline, and the pipeline is filled with refrigerant;
a second component, a split type refrigerating unit controller, in particular,
an input end: ST1 is a plate-change anti-freezing temperature sensor, ST2 is a water supply temperature sensor, SP1 and SP2 are condensation pressure sensors, and the four sensors are all analog input;
and the control end: the water pump and the compressor are controlled to output switching value, and are responsible for the start and stop control of the water pump and the compressor; the condensing fan is controlled to output analog quantity and is responsible for stepless speed regulation of the condensing fan;
the indoor unit of the split type refrigerating unit, the outdoor unit of the refrigerating unit and the controller of the split type refrigerating unit form a complete medical efficient split type water chilling unit.
The outdoor unit 1 of the split type refrigerating unit is arranged outdoors, and the main components of the outdoor unit comprise a condenser 1-1a and a condensing fan 1-2a of a refrigerating system a; a condenser 1-1b of the refrigeration system b and a condensing fan 1-2b.
The indoor unit 2 of the split refrigerating unit is installed indoors, and the main components thereof comprise:
the method comprises the steps that a compressor 2-5a of a refrigeration system a, an evaporator 2-4a of the refrigeration system a, an expansion valve 2-6a of the refrigeration system a and a dry filter 2-7a of the refrigeration system a, wherein a condenser 1-1a of the refrigeration system a, the dry filter 2-7a of the refrigeration system a, an expansion valve 2-6a of the refrigeration system a and the evaporator 2-4a of the refrigeration system a are sequentially connected through a liquid pipe 2-9a of the refrigeration system a, and the evaporator 2-4a of the refrigeration system a, the compressor 2-5a of the refrigeration system a and the condenser 1-1a of the refrigeration system a are sequentially connected through an air pipe 2-8a of the refrigeration system a;
the compressor 2-5b of the refrigerating system b, the evaporator 2-4b of the refrigerating system b, the expansion valve 2-6b of the refrigerating system b and the drier-filter 2-7b of the refrigerating system b, wherein the condenser 1-1b of the refrigerating system b, the drier-filter 2-7b of the refrigerating system b, the expansion valve 2-6b of the refrigerating system b and the evaporator 2-4b of the refrigerating system b are sequentially connected through the liquid pipe 2-9b of the refrigerating system b, and the evaporator 2-4b of the refrigerating system b, the compressor 2-5b of the refrigerating system b and the condenser 1-1b of the refrigerating system b are sequentially connected through the air pipe 2-8b of the refrigerating system b;
a connecting pipeline is arranged between the refrigerating system a evaporator 2-a and the refrigerating system b evaporator 2-b;
the water pump also comprises an internal water tank 2-3, an internal water pump 2-2 and an internal water filter 2-10; the built-in water tank 2-3 and the built-in water pump 2-2 are arranged on a water outlet pipe of the indoor unit of the split type refrigerating unit, and the built-in water filter 2-10 is arranged on a water inlet pipe of the indoor unit of the split type refrigerating unit.
Further, the outdoor unit and the indoor unit of the split refrigerating unit are connected through copper pipes, and environment-friendly refrigerants are filled in the copper pipes.
Further, a plate-change anti-freezing temperature sensor ST1 is arranged on a water outlet pipeline of the evaporator and used for detecting the water outlet temperature of the evaporator; a water supply temperature sensor ST2 is arranged on a water outlet pipeline of the built-in water pump and is used for detecting the water supply temperature of the indoor unit of the split refrigerating unit.
Further, the split refrigerating unit controller 2-1 is respectively connected with a plate replacement anti-freezing temperature sensor ST1, a water supply temperature sensor ST2, a condensing pressure sensor SP1 of a refrigerating system a and a condensing pressure sensor SP2 of a refrigerating system b; meanwhile, the split type refrigerating unit controller 2-1 is connected with a compressor 2-5a of a refrigerating system a, a compressor 2-5b of a refrigerating system b, an expansion valve 2-6a of the refrigerating system a, an expansion valve 2-6b of the refrigerating system b, a condensing fan 1-2a of the refrigerating system a, a condensing fan 1-2b of the refrigerating system b and a built-in water pump 2-2.
Further, when in use, a PPR water supply pipe 3 and a PPR water return pipe 4 are arranged in the room and used for being connected with medical equipment 7, and a water filter 5 and a flowmeter 6 are arranged; the water outlet of the medical equipment 7 is connected to the water inlet of the split type refrigerating unit through the PPR water return pipe 4; the water inlet of the medical equipment 7 is connected to the water outlet of the split-type refrigerating unit through the PPR water supply pipe 3, and a water filter 5 and a flowmeter 6 are sequentially arranged on the PPR water supply pipe 3.
The design principle and the beneficial effects of the utility model are as follows:
the indoor unit of the medical efficient split type water chilling unit is installed indoors, and circulating media of the unit do not need special antifreezing cooling liquid (the main component is ethylene glycol or propylene glycol) and the like. The control precision of the liquid supply temperature of the chilled water can be customized according to the requirement, and the highest control precision can be within +/-0.5 degrees.
The utility model relates to a medical efficient split-type water chilling unit, which is characterized in that an indoor unit of a refrigerating unit and a water supply and return pipeline system of a chilled water pipeline are both arranged indoors, and an outdoor unit is arranged outdoors. Even in extreme weather in winter, the evaporator is arranged on the indoor unit of the split type refrigerating unit, and the risk of frost cracking of the evaporator can not occur under the shutdown condition, and the risk of frost cracking of the water supply and return pipeline of the freezing water pipeline can not occur.
The utility model relates to a refrigerating system of a medical efficient split type water chilling unit, which is a double system, namely a refrigerating system a and a refrigerating system b, wherein the refrigerating system a and the refrigerating system b are independent refrigerating systems and are in standby relation. When the refrigerating unit operates, only one system works, and the other system is standby, so that the system can provide chilled water for medical equipment more reliably and safely.
The utility model utilizes the Y-shaped water filter to filter the particle impurities in the frozen water, thereby ensuring the water supply cleanliness of the frozen water.
The medical efficient split water chilling unit can provide chilled water at 5-35 ℃ for medical equipment all the year round, thereby meeting the requirements of the medical equipment on the chilled water. In addition, the split type water chilling unit can also be used for cooling other process equipment, such as the fields of plastic cement, electronic manufacturing, electroplating, pharmaceutical chemical industry, ultrasonic cooling, printing and the like.
Drawings
FIG. 1 is a schematic diagram of a conventional integrated air-cooled chiller;
fig. 2 is a schematic diagram of a medical efficient split-type water chiller provided by an embodiment of the utility model.
Reference numerals:
31. 31-1 of an integral air-cooled chiller, 31-2 of an air-cooled condenser, 31-3 of a condensing fan, 31-4 of a compressor, 31-5 of an expansion valve, 31-6 of a dry filter, 31-7 of an evaporator, 31-8 of a water pump, 31-8 of an air pipe, 31-9 of a liquid pipe, 32 of a water supply pipe; 33. a water return pipe; 34. a terminal heat exchanger; 35. a terminal heat generating device;
1. an outdoor unit of a split-type refrigerating unit; 1-1a, a condenser of a refrigeration system a; 1-2a, a condensing fan of a refrigerating system a; 1-1b, a condenser of a refrigeration system b; 1-2b, a condensing fan of a refrigerating system b;
2. indoor unit of split refrigerating unit; 2-1, a split refrigerating unit controller; 2-2, a built-in water pump; 2-3, a built-in water tank; 2-10, a built-in water filter; 2-4a, an evaporator of a refrigeration system a; 2-5a, a compressor of a refrigeration system a; 2-6a, an expansion valve of a refrigeration system a; 2-7a, a dry filter of a refrigeration system a; 2-8a, an air pipe of a refrigerating system a; 2-9a, a liquid pipe of a refrigeration system a; 2-4b, an evaporator of a refrigeration system b; 2-5b, a compressor of the refrigeration system b; 2-6b, an expansion valve of the refrigeration system b; 2-7b, a dry filter of a refrigerating system b; 2-8b, an air pipe of a refrigerating system b; 2-9b, a liquid pipe of a refrigerating system b;
3. a PPR water supply pipe; 4. a PPR return pipe; 5. a water filter; 6. a flow meter;
7. medical equipment.
Detailed Description
Embodiments of the present utility model are further described below with reference to the accompanying drawings.
A medical efficient split-type water chilling unit is a precise refrigerating unit specially developed for cooling medical equipment such as nuclear magnetic resonance and cyclotron. The refrigerating unit can provide chilled water for nuclear magnetic resonance, cyclotron and the like of most brands and specifications worldwide. The freezing medium of the chilled water can be tap water, deionized water, etc. according to the requirements of the equipment and the installation site. The accuracy of the control of the liquid supply temperature of chilled water is not an innovation point of the utility model, and the control can be customized according to the application requirements, and the highest selection of the high-configuration controller can be within +/-0.5 degrees.
Comparative example:
as shown in fig. 1, the integral refrigeration unit 31 is installed outdoors, the terminal heat generating equipment 35 is installed indoors, and the integral refrigeration unit 31 is connected with the terminal heat generating equipment 35 through the PPR water supply pipeline 32 and the water return pipeline 33.
Specifically, the integral refrigeration unit 31 includes an evaporator 31-6, a compressor 31-3, a condenser 31-1, a dry filter 31-5, an expansion valve 31-4, and a condensing fan 31-2; the connecting pipelines between the evaporator 31-6 and the compressor 31-3 and between the compressor 31-3 and the condenser 31-1 are air pipes 31-8, and are made of copper pipes; the connecting pipeline between the evaporator 31-6 and the expansion valve 31-4 and the drying filter 31-5 and the condenser 31-1 is a liquid pipe 31-9, and the material is copper pipe.
Refrigeration process of the integral refrigeration unit 31: the low-temperature low-pressure liquid refrigerant coming out of the expansion valve 31-4 absorbs heat in the evaporator 31-6 and is vaporized into low-temperature low-pressure gaseous refrigerant, the low-temperature low-pressure gaseous refrigerant is compressed into high-temperature high-pressure gaseous refrigerant through the compressor 31-3, the gaseous refrigerant is conveyed to the condenser 31-1 through the air pipe 31-8, the heat of the gaseous refrigerant is transferred to the outdoor air after the gaseous refrigerant exchanges heat with the outdoor air in the condenser 31-1, the high-temperature high-pressure liquid refrigerant is changed into the high-temperature high-pressure liquid refrigerant, the liquid refrigerant is conveyed to the drying filter 31-5 through the liquid pipe 31-9 to remove water, the water is conveyed to the expansion valve 31-4, the liquid refrigerant is throttled by the expansion valve 31-4 to be changed into the low-temperature low-pressure liquid refrigerant, the low-temperature low-pressure liquid refrigerant is conveyed into the evaporator 31-6 to exchange heat with the chilled water flowing through the evaporator 31-6, the temperature of the chilled water is lowered, and a refrigerant cycle is completed.
Specifically, the terminal heat generating device 35 is provided with a terminal heat exchanger 34 therein. The integral refrigerating unit 31 is connected with the tail end heat exchanger 34 of the tail end heating device 35 through a PPR water pipe, the higher-temperature backwater from the water outlet of the tail end heat exchanger 34 is conveyed to the water inlet of the evaporator 31-6 of the integral refrigerating unit 31 through a PPR backwater pipe 33, the temperature of the backwater absorbed by heat after the heat exchange of the evaporator 31-6 is reduced to become lower-temperature chilled water, the chilled water is pressurized by the built-in water pump 31-7 and then is conveyed to the tail end heat exchanger 34 through a PPR water supply pipe 32, the temperature of the chilled water is increased after the heat emitted by the inside of the tail end heating device 35 is absorbed, and the higher-temperature chilled water is discharged from the water outlet of the tail end heat exchanger 34, so that a chilled water circulation process is completed.
In part of areas, the outdoor temperature in winter reaches below 0 ℃, and the indoor temperature is above 0 ℃. When the integral refrigeration unit is shut down, chilled water inside the evaporator 31-6 and inside the PPR water supply pipe 32 and the return pipe 33 will freeze, and in severe cases, freeze cracks will occur, resulting in a system that is not used properly.
Examples
As shown in fig. 2, the embodiment provides a medical efficient split-type water chiller, which has the main functions of: under the extreme weather condition of the ambient temperature of-25-46 ℃, chilled water at 5-35 ℃ can be safely, reliably and stably provided for medical equipment, so that the working requirements of the medical equipment are met.
The split type refrigerating unit comprises two refrigerating systems, namely a refrigerating system a and a refrigerating system b, wherein the refrigerating system a and the refrigerating system b are independent refrigerating systems, the refrigerating system a and the refrigerating system b are in a standby relation, and only one system works and the other system is standby when the refrigerating unit operates.
The outdoor unit 1 of the split type refrigerating unit is arranged outdoors, and the main components of the outdoor unit comprise a condenser 1-1a of a refrigerating system a and a condensing fan 1-2a of the refrigerating system a; a condenser 1-1b of the refrigeration system b and a condensing fan 1-2b of the refrigeration system a.
The indoor unit 2 of the split refrigerating unit is installed indoors, and its main components include:
the method comprises the steps that a compressor 2-5a of a refrigeration system a, an evaporator 2-4a of the refrigeration system a, an expansion valve 2-6a of the refrigeration system a and a dry filter 2-7a of the refrigeration system a, wherein a condenser 1-1a of the refrigeration system a, the dry filter 2-7a of the refrigeration system a, an expansion valve 2-6a of the refrigeration system a and the evaporator 2-4a of the refrigeration system a are sequentially connected through a liquid pipe 2-9a of the refrigeration system a, and the evaporator 2-4a of the refrigeration system a, the compressor 2-5a of the refrigeration system a and the condenser 1-1a of the refrigeration system a are sequentially connected through an air pipe 2-8a of the refrigeration system a;
the compressor 2-5b of the refrigerating system b, the evaporator 2-4b of the refrigerating system b, the expansion valve 2-6b of the refrigerating system b and the drier-filter 2-7b of the refrigerating system b, wherein the condenser 1-1b of the refrigerating system b, the drier-filter 2-7b of the refrigerating system b, the expansion valve 2-6b of the refrigerating system b and the evaporator 2-4b of the refrigerating system b are sequentially connected through the liquid pipe 2-9b of the refrigerating system b, and the evaporator 2-4b of the refrigerating system b, the compressor 2-5b of the refrigerating system b and the condenser 1-1b of the refrigerating system b are sequentially connected through the air pipe 2-8b of the refrigerating system b;
a connecting pipeline is arranged between the refrigerating system a evaporator 2-a and the refrigerating system b evaporator 2-b;
the water pump also comprises an internal water tank 2-3, an internal water pump 2-2 and an internal water filter 2-10; the built-in water tank 2-3 and the built-in water pump 2-2 are arranged on a water outlet pipe of the indoor unit 2 of the split type refrigerating unit, and the built-in water filter 2-10 is arranged on a water inlet pipe of the indoor unit 2 of the split type refrigerating unit.
The outdoor unit 1 and the indoor unit 2 of the split type refrigerating unit are connected through a pipeline, and the pipeline is filled with refrigerant. By way of example and not limitation, the outdoor unit 1 and the indoor unit 2 of the split-type refrigerating unit are connected through copper pipes, and environment-friendly refrigerants are filled in the copper pipes.
When in use, the room is also provided with a PPR water supply pipe 3 and a PPR water return pipe 4 which are used for being connected with medical equipment 7, and is provided with a water filter 5 and a flowmeter 6; the water outlet of the medical equipment 7 is connected to the water inlet of the split type refrigerating unit through the PPR water return pipe 4; the water inlet of the medical equipment 7 is connected to the water outlet of the split-type refrigerating unit through the PPR water supply pipe 3, and a water filter 5 and a flowmeter 6 are sequentially arranged on the PPR water supply pipe 3.
The refrigeration process of the split type refrigerating unit is specifically described by the refrigeration process of the refrigerating system a, the low-temperature low-pressure liquid refrigerant coming out of the expansion valve 2-6a absorbs heat in the evaporator 2-4a and is vaporized into low-temperature low-pressure gaseous refrigerant, the low-temperature low-pressure gaseous refrigerant is compressed into high-temperature high-pressure gaseous refrigerant through the compressor 2-5a, the gaseous refrigerant is conveyed to the condenser 1-1a of the outdoor unit 1 through the air pipe 2-8a, the heat of the gaseous refrigerant is transferred to the outdoor air after the gaseous refrigerant exchanges heat with outdoor air in the condenser 1-1a, the high-temperature high-pressure liquid refrigerant is changed into the high-temperature high-pressure liquid refrigerant, the liquid refrigerant is conveyed to the indoor unit 2 through the liquid pipe 2-9a, moisture is removed through the drying filter 2-7a, the liquid refrigerant is throttled by the expansion valve 2-6a to be changed into low-temperature low-pressure liquid refrigerant, the low-temperature low-pressure liquid refrigerant is conveyed into the evaporator 2-4a, the heat of the low-temperature low-pressure liquid refrigerant and the heat absorbed by heat exchange with the refrigerating water flowing through the evaporator 2-4a, and the refrigerating water is cooled, so that the temperature of the refrigerating water is reduced.
The indoor unit 2 of the split refrigerating unit is connected with the medical equipment 7 through a PPR water pipe, return water with higher temperature from a water outlet of the medical equipment 7 is conveyed to the indoor unit 2 through a PPR return water pipe 4, impurities are removed through filtration of a built-in water filter 2-10 and then conveyed to an evaporator 2-4a of the indoor unit 2, chilled water is reduced in temperature after heat exchange of the evaporator 2-4a, absorbed heat is reduced, the chilled water with lower temperature is changed into chilled water which enters a built-in water tank 2-3, impurities are removed through a PPR water supply pipe 3 and a water filter 5 after being pressurized by the built-in water pump 2-2, the water returns to a water inlet of the medical equipment 7 through a flowmeter 6, the chilled water with higher temperature is increased after the heat emitted by the medical equipment is absorbed in the medical equipment 7, and the chilled water with higher temperature comes out from the water outlet of the medical equipment 7, so that a chilled water circulation process is completed.
A plate-change anti-freezing temperature sensor ST1 is arranged on a water outlet pipeline of the evaporator and is used for detecting the water outlet temperature of the evaporator; a water supply temperature sensor ST2 is arranged on the water outlet pipeline of the built-in water pump and is used for detecting the water supply temperature of the indoor unit 2 of the split air-cooled chiller.
A controller 2-1 is configured, wherein the controller 2-1 is respectively connected with a freeze prevention temperature sensor ST1, a water supply temperature sensor ST2, a condensation pressure sensor SP1 of a refrigeration system a and a condensation pressure sensor SP2 of a refrigeration system b; meanwhile, the controller 2-1 is connected with a compressor 2-5a of the refrigerating system a, a compressor 2-5b of the refrigerating system b, an expansion valve 2-6a of the refrigerating system a, an expansion valve 2-6b of the refrigerating system b, a condensing fan 1-2a of the refrigerating system a, a condensing fan 1-2b of the refrigerating system b and a built-in water pump 2-2.
In an embodiment, an outsourced cola controller (a commercially mature product in the field, with its own application software) is used to switch and manage the dual system, as well as control the medical chilled water temperature and flow operations. And a control program is run in the controller, and the split refrigerating unit is controlled and managed by the controller.
The above description is only illustrative of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model in any way. Any alterations or modifications of the utility model, which are obvious to those skilled in the art based on the teachings disclosed above, are intended to be equally effective embodiments, and are intended to be within the scope of the appended claims.
Claims (6)
1. The utility model provides a split type cooling water set of medical treatment high efficiency which characterized in that includes:
the split type refrigerating unit comprises two refrigerating systems, namely a refrigerating system a and a refrigerating system b, wherein the refrigerating system a and the refrigerating system b are independent refrigerating systems, and are in a standby relation; the outdoor unit of the split refrigerating unit is arranged outdoors, and the main components of the outdoor unit comprise a condenser and a condensing fan; the indoor unit of the split refrigerating unit is arranged indoors and mainly comprises a compressor, an evaporator, an expansion valve, a dry filter, an internal water tank, an internal water pump and a water filter; the outdoor unit of the split-type refrigerating unit is connected with the indoor unit of the split-type refrigerating unit through a pipeline, and the pipeline is filled with refrigerant;
a second component, a split type refrigerating unit controller, in particular,
an input end: ST1 is a plate-change anti-freezing temperature sensor, ST2 is a water supply temperature sensor, SP1 and SP2 are condensation pressure sensors, and the four sensors are all analog input;
and the control end: the water pump and the compressor are controlled to output switching value, and are responsible for the start and stop control of the water pump and the compressor; the condensing fan is controlled to output analog quantity and is responsible for stepless speed regulation of the condensing fan;
the indoor unit of the split type refrigerating unit, the outdoor unit of the refrigerating unit and the controller of the split type refrigerating unit form a complete medical efficient split type water chilling unit.
2. The medical efficient split type water chilling unit according to claim 1, wherein,
the outdoor unit (1) of the split type refrigerating unit is arranged outdoors and comprises a condenser (1-1 a) of a refrigerating system a and a condensing fan (1-2 a); a condenser (1-1 b) and a condensing fan (1-2 b) of the refrigeration system b;
indoor unit (2) of split type refrigeration unit, install in indoor, contain:
the evaporator (2-4 a) of the refrigeration system a, the expansion valve (2-6 a) of the refrigeration system a and the drier-filter (2-7 a) of the refrigeration system a are sequentially connected through the liquid pipe (2-9 a) of the refrigeration system a, wherein the condenser (1-1 a) of the refrigeration system a, the drier-filter (2-7 a) of the refrigeration system a, the expansion valve (2-6 a) of the refrigeration system a and the evaporator (2-4 a) of the refrigeration system a are sequentially connected through the gas pipe (2-8 a) of the refrigeration system a;
the condenser (1-1 b) of the refrigeration system b, the dry filter (2-7 b) of the refrigeration system b, the expansion valve (2-6 b) of the refrigeration system b and the evaporator (2-4 b) of the refrigeration system b are sequentially connected through a liquid pipe (2-9 b) of the refrigeration system b, the evaporator (2-4 b) of the refrigeration system b, the compressor (2-5 b) of the refrigeration system b and the condenser (1-1 b) of the refrigeration system b are sequentially connected through an air pipe (2-8 b) of the refrigeration system b;
a connecting pipeline is arranged between the evaporator (2-a) of the refrigeration system a and the evaporator (2-b) of the refrigeration system b;
the water tank (2-3), the water pump (2-2) and the water filter (2-10) are arranged in the water tank; the built-in water tank (2-3) and the built-in water pump (2-2) are arranged on a water outlet pipe of the indoor unit of the split type refrigerating unit, and the built-in water filter (2-10) is arranged on a water inlet pipe of the indoor unit of the split type refrigerating unit.
3. The medical efficient split-type water chiller according to claim 1 wherein the outdoor unit and the indoor unit of the split-type chiller are connected by copper pipes, and environment-friendly refrigerant is filled in the copper pipes.
4. The medical efficient split type water chilling unit according to claim 2, wherein a plate change anti-freezing temperature sensor ST1 is arranged on a water outlet pipeline of the evaporator and used for detecting the water outlet temperature of the evaporator; a water supply temperature sensor ST2 is arranged on a water outlet pipeline of the built-in water pump and is used for detecting the water supply temperature of the indoor unit of the split refrigerating unit.
5. The medical efficient split type water chiller according to claim 2, wherein the split type refrigerator controller (2-1) is respectively connected with a plate exchange anti-freezing temperature sensor ST1, a water supply temperature sensor ST2, a condensing pressure sensor SP1 of a refrigerating system a and a condensing pressure sensor SP2 of a refrigerating system b; meanwhile, the split type refrigerating unit controller (2-1) is connected with a compressor (2-5 a) of the refrigerating system a, a compressor (2-5 b) of the refrigerating system b, an expansion valve (2-6 a) of the refrigerating system a, an expansion valve (2-6 b) of the refrigerating system b, a condensing fan (1-2 a) of the refrigerating system a, a condensing fan (1-2 b) of the refrigerating system b and a built-in water pump (2-2).
6. The medical efficient split type water chilling unit according to claim 1, wherein a PPR water supply pipe (3) and a PPR water return pipe (4) are further arranged indoors and are used for being connected with medical equipment (7), and a water filter (5) and a flowmeter (6) are arranged; the water outlet of the medical equipment (7) is connected to the water inlet of the split-type refrigerating unit through a PPR water return pipe (4); the water inlet of the medical equipment (7) is connected to the water outlet of the split refrigerating unit through the PPR water supply pipe (3), and a water filter (5) and a flowmeter (6) are sequentially arranged on the PPR water supply pipe (3).
Priority Applications (1)
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CN202320621403.2U CN219531282U (en) | 2023-03-24 | 2023-03-24 | Medical efficient split type water chilling unit |
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CN202320621403.2U CN219531282U (en) | 2023-03-24 | 2023-03-24 | Medical efficient split type water chilling unit |
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CN202320621403.2U Active CN219531282U (en) | 2023-03-24 | 2023-03-24 | Medical efficient split type water chilling unit |
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