CN106196699B - Heat exchanger, heat pump system and its control method for heat pump system - Google Patents
Heat exchanger, heat pump system and its control method for heat pump system Download PDFInfo
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- CN106196699B CN106196699B CN201610711005.4A CN201610711005A CN106196699B CN 106196699 B CN106196699 B CN 106196699B CN 201610711005 A CN201610711005 A CN 201610711005A CN 106196699 B CN106196699 B CN 106196699B
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- heat pump
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- 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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
-
- 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
- F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
-
- 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
-
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2515—Flow valves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention provides a kind of heat exchangers, heat pump system and its control method for heat pump system, the heat exchanger includes: oil separator component and the shell that is set in outside the oil separator component, the cavity for water-filling is formed between the shell and the oil separator component, the cavity has water inlet and water outlet；Wherein, the oil separator component includes: tank body, air inlet pipe, exhaust pipe and oil return pipe, and the oil return pipe is inserted into from the top of the tank body, and extends to the bottom of the tank body.Technical solution of the present invention can realize the heating to water by the heat of oil separator component, effectively increase the utilization efficiency of the energy, and the function of water heating can be realized without increasing excessive component on the basis of original heat pump system, effectively reduces the production cost of product.
Description
Technical field
The present invention relates to technical field of heat pumps, in particular to a kind of heat exchanger for heat pump system, Yi Zhongre
Pumping system and a kind of control method of heat pump system.
Background technique
Traditional wind-cooling type heat pump system in refrigerating operaton, taken away by air, not by the heat of outdoor heat exchanger
It is utilized effectively；And air energy water heater be then the high temperature heat of condenser side is utilized to realize water heating, but because
For no interior machine, adjusted so can not achieve indoor temperature.In order to realize the function of two kinds of electric appliance, that improves the energy utilizes effect
Rate, Teat pump boiler come into being, and Teat pump boiler can carry out water heating while freezing to room, effectively increase the energy
Utilization efficiency.Wherein, Teat pump boiler is to increase a bushing type water- to-water heat exchanger and one on the basis of former heat pump system
Four-way valve, the bushing type water- to-water heat exchanger is in parallel with air-cooled condenser by this four-way valve, and the off and on of the four-way valve controls
Refrigerant is by air-cooled condenser or water-cooled condenser, and only high temperature refrigerant can just pass through water cooling when water heating demand
Condenser, other situations are run by common heat pump system.
In addition, multi-online air-conditioning system can be all arranged to guarantee the reliability service of compressor in the exhaust outlet of compressor
One oil eliminator comes out the lubricating oil separation in being vented, and is back to compressor.Wherein, the principle of oil eliminator is:
Carry lubricating oil high temperature and pressure refrigerant enter the tank body of oil eliminator after impinge upon on side wall, oil droplet little particle is in centrifugal force
It is separated under effect and falls in tank base along tank inner surface, compressor is then back to by oil return capillary.Mesh
Before, oil eliminator is other than realizing the function of Oil-gas Separation almost without others effect.
As it can be seen that existing Teat pump boiler needs increase additional component on the basis of former heat pump system, structure is complicated,
And production cost is higher.And enter in oil eliminator be high temperature and pressure refrigerant, temperature is higher, if therefore can using oil
The heat of separator realizes the function of water heating, can undoubtedly be conducive to the reduction of production cost and the effective use of the energy.
Summary of the invention
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, making it possible to borrow an object of the present invention is to provide a kind of heat exchanger for heat pump system
The heat of oil separator component is helped to realize the heating to water, effectively increases the utilization efficiency of the energy, and without original
The function of water heating can be realized by increasing excessive component on the basis of heat pump system, effectively reduce being produced into for product
This.
It is another object of the present invention to propose a kind of heat pump system and its control method.
To achieve the above object, according to the embodiment of the first aspect of the invention, it proposes a kind of for heat pump system
Heat exchanger, comprising: oil separator component and the shell being set in outside the oil separator component, the shell and the oil
The cavity for water-filling is formed between separator assembly, the cavity has water inlet and water outlet；Wherein, the oil separation
Device assembly includes: tank body, air inlet pipe, exhaust pipe and oil return pipe, and the oil return pipe is inserted into from the top of the tank body, and extends to institute
State the bottom of tank body.
The heat exchanger for heat pump system of embodiment according to the present invention, due to the high temperature and pressure of compressor discharge
After entering oil separator component from the air inlet pipe of oil separator component, gaseous coolant can be hit gaseous coolant at an oblique angle
It hits on the inner wall of oil separator component, the small oil droplet in cold media gas is separated under the influence of centrifugal force and along oil
The inner wall of separator assembly falls in tank base, and the lubricating oil separated returns to compressor using oil return pipe, and refrigerant
Gas then comes out from exhaust pipe, it is seen that the tank body of oil separator component is always at the condition of high temperature when system is run.Therefore logical
The outside that setting shell is set in oil separator component is crossed to make it possible to form the cavity for being used for water-filling by oil eliminator
The heat of component realizes the heating to water, effectively increases the utilization efficiency of the energy.And exist by above-mentioned heat exchanger application
When in heat pump system, so that can realize the function of water heating without increasing excessive component on the basis of original heat pump system
Can, effectively reduce the production cost of product.
The heat exchanger for heat pump system according to the abovementioned embodiments of the present invention can also have following technology special
Sign:
According to one embodiment of present invention, the oil separator component further include: the first installation pedestal, the tank body
Top is arranged in first installation pedestal；The shell is arranged in the second installation pedestal, second installation pedestal and
Corresponding pilot hole is provided in first installation pedestal, first installation pedestal and second installation pedestal pass through institute
It states pilot hole to be assembled, the shell is set in the outside of the oil separator component.
In this embodiment, by the way that the first installation pedestal is arranged at the top of tank body, and by shell setting in the second installation
On pedestal, make it possible to the tank of shell and oil separator component conveniently by the first installation pedestal and the second installation pedestal
Body is assembled.Wherein, the tank body of oil separator component can be welded in the first installation pedestal；Shell can also be welded on
In two installation pedestals.Meanwhile the characteristics of modularization assembling between oil separator component and shell, is but also spirit with higher
Activity convenient for the maintenance in later period, and is also convenient for removing scale.
According to one embodiment of present invention, it is provided between first installation pedestal and second installation pedestal close
Seal.
In this embodiment, by the way that sealing ring is arranged between the first installation pedestal and the second installation pedestal, make it possible to
Guarantee the sealing between oil separator component and shell, avoids the intracorporal water outflow of chamber.
According to one embodiment of present invention, the water inlet is arranged in first installation pedestal, the water outlet
The bottom of the shell is set.
According to one embodiment of present invention, the oil separator component further include: oil storage tank is arranged in the tank body
Interior, the middle and upper part of the oil storage tank is provided with the opening communicated with the tank body, and the air inlet pipe and the oil return pipe protrude into institute
It states in oil storage tank, the exhaust pipe is arranged in outside the oil storage tank and protrudes into the bottom of the tank body.
In this embodiment, since the water in the cavity between oil separator component and shell can take away oil separator component
Heat, if therefore water flow in cavity it is larger, may be cooling by the temperature of the gas coolant in oil separator component
To saturation temperature hereinafter, the refrigerant of liquid can be mixed through oil return pipe return compressor with lubricating oil in turn, can lead in this way
Cause compressor liquid hammer.Therefore, by the way that oil storage tank is arranged in tank body, and air inlet pipe and oil return pipe protrude into oil storage tank, exhaust pipe
It is arranged in outside oil storage tank and protrudes into the bottom of tank body, even if so that the temperature of the gaseous coolant in oil separator component is cooled to
Saturation temperature is hereinafter, the refrigerant of liquid can also be separated with the lubricating oil isolated, and then can be avoided liquid refrigerants with lubrication
Oil is back to compressor and leads to the risk of compressor liquid hammer.
According to one embodiment of present invention, heat exchanger fin is provided in the cavity.It is changed by being arranged in cavity
Hot device fin, makes it possible to enhanced heat transfer effect.
Embodiment according to a second aspect of the present invention, it is also proposed that a kind of heat pump system, comprising: compressor, four-way valve, room
External heat exchanger, indoor unit, low-pressure tank, water tank, and the heat friendship for heat pump system as described in any one of above-described embodiment
Parallel operation；
Wherein, the outlet of the compressor is connected to the air inlet pipe of the oil separator component, and four of the four-way valve
Port is respectively connected to the exhaust pipe of the oil separator component, the first port of the outdoor heat exchanger, the low-pressure tank
Entrance and the first shut-off valve, the outlet of the low-pressure tank and the oil return pipe of the oil separator component are connected to the compressor
Import, the second port of the outdoor heat exchanger is connected to the second shut-off valve, first cut-off by first throttle component
Valve and second shut-off valve are connected with the refrigerant pipe in the indoor unit；
The first port of the water tank is connected to the water inlet, and the second port of the water tank and the water outlet connect
It is logical, water pump is provided on the pipeline between the first port of the water tank and the water inlet, the water inlet also passes through moisturizing
Valve is connected to water source.
The heat pump system of embodiment according to the present invention, due to compressor discharge high temperature and pressure gaseous coolant from oil
The air inlet pipe of separator assembly enters after oil separator component, and gaseous coolant can impinge upon oil eliminator group at an oblique angle
On the inner wall of part, the small oil droplet in cold media gas is separated under the influence of centrifugal force and along in oil separator component
Wall surface falls in tank base, and the lubricating oil separated returns to compressor using oil return pipe, and cold media gas is then from exhaust pipe
Out, it is seen that the tank body of oil separator component is always at the condition of high temperature when system is run.Therefore pass through the of setting water tank
Single port is connected to the water inlet of cavity, and the second port of water tank is arranged and is connected to the water outlet of cavity, so that heat pump system
The function that water heating can be realized by the heat of oil separator component, effectively increases the utilization efficiency of the energy, while by
In that can realize the function of water heating without increasing excessive component on the basis of original heat pump system, production is effectively reduced
The production cost of product.
And by the way that water pump is arranged on the pipeline between the first port and water inlet of water tank, make it possible to through water pump band
Dynamic water followed between water tank and cavity it is bad, in order to be heated to the water in water tank.
According to one embodiment of present invention, the heat pump system further include: solenoid valve is connected in parallel on first cut-off
Between valve and second shut-off valve.
In this embodiment, by solenoid valve in parallel between the first shut-off valve and the second shut-off valve, so that heat pump system
The solenoid valve can be controlled according to the difference of operational mode.For example, heat pump system is when running hot water model, it can
To control solenoid valve unlatching, and the closing of the electric expansion valve in indoor unit is controlled, such refrigerant is directly logical without indoor unit
It crosses the solenoid valve and enters outdoor heat exchanger after above-mentioned first throttle part throttle, returned after outdoor heat exchanger evaporation
Compressor；And when heat pump system freezes and heats water running, opened by controlling above-mentioned solenoid valve, enable refrigerant successively
By outdoor heat exchanger, indoor heat exchanger, compressor is then returned, under the premise of guaranteeing refrigeration, realizes the function of water heating.
According to one embodiment of present invention, the heat pump system further include: flow control valve is connected with the water pump
On pipeline between the first port and the water inlet of the water tank.
In this embodiment, the first port of water tank is connected on by setting flow control valve and water pump and cavity enters water
On pipeline between mouthful, make it possible to avoid flow rate larger come the intracorporal flow rate of control chamber by flow control valve
Lead to the problem of refrigerant in oil separator component is cooled to saturation temperature or less and is likely to occur compressor liquid hammer.
According to one embodiment of present invention, water level sensor is provided in the water tank.By the way that water is arranged in water tank
Level sensor makes it possible to be monitored the water level in water tank, by the water level control in water tank in reasonable range.
Embodiment according to a third aspect of the present invention, it is also proposed that a kind of control method of heat pump system, for as above
It states heat pump system described in any one of embodiment to be controlled, the control method includes: to need water heating and institute in determination
When stating compressor and being currently running, the Tail Pipe Temperature of the oil separator component is detected；In the exhaust of the oil separator component
When tube temperature degree is greater than or equal to predetermined temperature value, according to the water temperature and water level in the water tank, to the water compensating valve and the water
Pump is controlled.
The control method of the heat pump system of embodiment according to the present invention, by the exhaust for detecting oil separator component
When tube temperature degree is greater than or equal to predetermined temperature value, according in water tank water temperature and water level water compensating valve and water pump are controlled,
Make it possible to just open water heating function when the temperature of oil eliminator is higher, avoids the temperature in oil eliminator is lower from also opening
Water heating function and the stability for influencing heat pump system.And by according in water tank water temperature and water level come to water compensating valve and water pump
Controlled, make it possible to in water tank water and water temperature accurately controlled.
According to one embodiment of present invention, according to the water temperature and water level in the water tank, to the water compensating valve and described
The step of water pump is controlled specifically includes:
When water level in the water tank is less than or equal to the first setting water level, controls the water compensating valve and open；
When water level in the water tank is greater than the first setting water level, judge whether the water temperature in the water tank reaches
Set water temperature；When determining that the water temperature in the water tank reaches the set water temperature, if the water level in the water tank reaches second
Set water level, it is determined that water heating is completed, and is otherwise controlled the water compensating valve and is opened, wherein the second setting water level is higher than institute
State the first setting water level；When determining that the water temperature in the water tank is not up to the set water temperature, controls the water pump and open；
When water level in the water tank reaches the second setting water level, controls the water compensating valve and close.
In this embodiment, when being less than or equal to the first setting water level by the water level in water tank, control water compensating valve is opened
It opens, can be supplemented in time when the water in water tank is less.And the water level in water tank is greater than the second setting water level and water
When temperature reaches set water temperature, specification water heating has been completed；When the water level in water tank is not up to the second setting water level but water level
When having reached set water temperature, it can control water compensating valve and open to carry out moisturizing.When water level is greater than the first setting water level in water tank
But when water temperature is not up to set water temperature, opened by control water pump, may be implemented to carry out circulating-heating to the water in water tank.
In addition, control water compensating valve is closed when reaching the second setting water level by the water level in water tank, it can be to avoid water tank
Interior hypervolia and overflow.
According to one embodiment of present invention, after controlling the water compensating valve and opening, further includes: according to the water outlet
Temperature adjust the aperture of the water compensating valve.
In this embodiment, the aperture of water compensating valve is adjusted by the temperature according to the water outlet of cavity, it can be to avoid water flow
Rate is larger to be caused the refrigerant in oil separator component being cooled to saturation temperature or less and is likely to occur asking for compressor liquid hammer
Topic.
It according to one embodiment of present invention, include that the water tank is connected on the water pump in the heat pump system
In the case where the flow control valve on pipeline between Single port and the water inlet, the control method further include: controlling
After the water pump is opened, the aperture of the flow control valve is adjusted according to the temperature of the water outlet.
In this embodiment, it is connected on when flow control valve and water pump between the first port of water tank and the water inlet of cavity
Pipeline on when, can be to avoid flow rate by adjusting the aperture of flow control valve according to the temperature of the water outlet of cavity
It is larger to lead to the problem of refrigerant in oil separator component is cooled to saturation temperature or less and is likely to occur compressor liquid hammer.
According to one embodiment of present invention, the control method of the heat pump system, further includes: receiving water heating
The instruction of operation, or when receiving refrigeration and heating the instruction of water running, determination needs water heating.
It according to one embodiment of present invention, include being connected in parallel on first shut-off valve and described the in the heat pump system
Solenoid valve between two shut-off valves, and in the case where being provided with the second throttle part on the refrigerant pipe of the indoor unit, it is described
Control method further include: when receiving the instruction of the heating water running, control the four-way valve for the oil eliminator group
The exhaust pipe of part is connected to first shut-off valve, connects the entrance of the first port of the outdoor heat exchanger and the low-pressure tank
It is logical, and control the solenoid valve and open and second throttle part closing；
When receiving the instruction of the refrigeration and heating water running, the four-way valve is controlled by the oil separator component
Exhaust pipe be connected to the first port of the outdoor heat exchanger, connect the entrance of the low-pressure tank and first shut-off valve
It is logical, and control the solenoid valve and close and second throttle part unlatching.
In this embodiment, when heat pump system is when heating water running, by controlling four-way valve for oil separator component
Exhaust pipe is connected to the first shut-off valve, is connected to the first port of outdoor heat exchanger with the entrance of low-pressure tank, and controls solenoid valve
It opens and the second throttle part is closed, refrigerant is enabled directly to pass through above-mentioned solenoid valve without indoor unit and by above-mentioned the
Enter outdoor heat exchanger after the throttling of one throttle part, returns to compressor after outdoor heat exchanger evaporation.And in heat pump system system
When cold and heating water running, is opened by controlling above-mentioned solenoid valve, refrigerant is successively changed by outdoor heat exchanger, interior
Hot device, then returns to compressor, under the premise of guaranteeing refrigeration, realizes the function of water heating.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 shows the structural schematic diagram of oil eliminator in the related technology；
Fig. 2 shows the structural schematic diagrams of oil separator component according to first embodiment of the invention；
Fig. 3 shows the structural schematic diagram of the water- to-water heat exchanger component of embodiment according to the present invention；
Fig. 4 shows the structural schematic diagram of the sealing ring of embodiment according to the present invention；
Fig. 5 shows the structural schematic diagram of the heat exchanger fin of embodiment according to the present invention；
Fig. 6 shows the structural representation of the heat exchanger for heat pump system according to first embodiment of the invention
Figure；
Fig. 7 shows the structural schematic diagram of the oil separator component of second embodiment according to the present invention；
Fig. 8 shows the structural representation of the heat exchanger for heat pump system of second embodiment according to the present invention
Figure；
Fig. 9 shows the structural schematic diagram of heat pump system in the related technology；
Figure 10 shows the structural schematic diagram of heat pump system according to first embodiment of the invention；
Figure 11 shows the flow diagram of the control method of the heat pump system of embodiment according to the present invention；
Figure 12 shows the structural schematic diagram of the heat pump system of second embodiment according to the present invention.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Before the heat exchanger for introducing heat pump system proposed by the present invention, current oil separator structure is first introduced, is had
Body is as shown in Figure 1, current oil eliminator includes: tank body 14, air inlet pipe 11, exhaust pipe 12 and returning for 14 bottom of tank body is arranged in
Oil pipe 13.
After carrying the refrigerant of high temperature and pressure of lubricating oil from compressor discharge, enter oil eliminator along air inlet pipe 11
It is impinged upon on side wall after tank body 14, oil droplet little particle is separated under the influence of centrifugal force to be fallen along the inner surface of tank body 14
In the bottom of tank body 14, compressor is then back to by oil return pipe 13, and gaseous coolant enters heat pump system by exhaust pipe 12
It is recycled in system.
As it can be seen that the tank body 14 of oil eliminator is always at the condition of high temperature when heat pump system is run, but current oil
From device almost without others effect other than realizing the function of Oil-gas Separation.
In order to realize the effective use of the energy, the present invention is improved in the structure basis of oil eliminator, specifically such as
Under:
It is illustrated in figure 2 the structure of oil separator component proposed by the present invention, is specifically included: tank body 24, air inlet pipe 21, row
Tracheae 22 and oil return pipe 23, oil return pipe 23 is inserted into from the top of tank body 24, and extends to the bottom of tank body 34.
After carrying the refrigerant of high temperature and pressure of lubricating oil from compressor discharge, enter oil eliminator along air inlet pipe 21
It is impinged upon on side wall after tank body 24, oil droplet little particle is separated under the influence of centrifugal force to be fallen along the inner surface of tank body 24
In the bottom of tank body 24, compressor is then back to by oil return pipe 23 under the pressure effect of gaseous coolant, and gaseous coolant
Entered in heat pump system by exhaust pipe 22 and is recycled.
Wherein, oil separator component proposed by the present invention also has installation pedestal 25, which can be with tank body
24 weld together, in order to be assembled with shell 31 shown in Fig. 3.In addition, being additionally provided in installation pedestal 25
One water inlet 26 can enter water by this after shell 31 shown in Fig. 3 is assembled with oil separator component shown in Fig. 2
The water-filling into the cavity between tank body 24 and shell 31 of mouth 26.Pilot hole 27 is provided in installation pedestal 25, in order to Fig. 3
Shown in component assembled.
As shown in figure 3, shell 31 is arranged in installation pedestal 32, such as can be by welding by installation pedestal
32 are welded on shell 31, the bottom of shell 31 are provided with water outlet 33, and be provided with pilot hole in installation pedestal 32
34, in order to be assembled with oil separator component shown in Fig. 2.Wherein, structure shown in Fig. 3 can be referred to as water heat exchange
Device assembly.
Fig. 4 shows the sealing ring for being assemblied between installation pedestal 25 and installation pedestal 34, and main function is real
Sealing function between existing two installation pedestals.
Fig. 5 shows the structure of heat exchanger fin, and heat exchanger fin 51 may be mounted at shell 31 and oil separator component
Tank body 24 between cavity in, to enhance heat transfer effect.
Based on above structure, the heat exchanger proposed by the present invention for heat pump system is as shown in Figure 6, comprising: institute in Fig. 2
The oil separator component and water- to-water heat exchanger component shown in Fig. 3 shown, the two are an entirety, refrigerant by the assembly assembly of bolt 61
Realize Oil-gas Separation inside the tank body 24 of oil separator component, recirculated cooling water passes through the outside wall surface of tank body 24 and shell 31
The sealing cavity that inner wall and two installation pedestal surfaces are formed realizes heat exchange, to achieve the purpose that water heating.
Wherein, in other embodiments of the invention, after assembly, heat exchanger fin 51 can not also be installed, certainly
Heat transfer effect can be declined.In addition it is also possible to water inlet 26 is arranged on the side wall of shell 31, but it will increase work in this way
Skill difficulty.
The invention proposes oil separator component and water- to-water heat exchanger component be designed based on modular thought and
Assembling, there is stronger flexibility in this way, and be also convenient for later maintenance and cleaning scale.In other embodiments of the invention
In, can also directly design the structure of integral type guarantee to the water in the cavity formed between oil separator component and shell into
Row heating.
Further, in structure shown in Fig. 6, due to the water meeting in the cavity between oil separator component and shell 31
Take away the heat of oil separator component, if therefore water flow in cavity it is larger, may be by the gas in oil separator component
The temperature of body refrigerant is cooled to saturation temperature hereinafter, the refrigerant meeting of liquid and lubricating oil be mixed and be returned by oil return pipe in turn
Compressor will lead to compressor liquid hammer in this way.In order to avoid compressor is there are the risk of liquid hammer, the present invention is to oil separator component
Structure be further improved, it is specific as shown in Figure 7:
One oil storage tank 71 is set in the tank body 24 of oil separator component, and wherein the middle and upper part of oil storage tank 71 is provided with out
Mouthful, to be communicated with tank body 24.Air inlet pipe 21 and oil return pipe 23 are inserted into oil storage tank 71, and exhaust pipe 22 is in outside oil storage tank 71 and stretches
Enter the bottom of tank body 24.
Structure based on Fig. 7 is illustrated in figure 8 the structure of improved heat exchanger, even if improved structure makes
The temperature of gaseous coolant in oil separator component be cooled to saturation temperature hereinafter, liquid refrigerant also can with isolate
Lubricating oil separates, and then lubricating oil can only return to compressor by extending to the oil return pipe 23 of 71 bottom of oil storage tank, and refrigerant is only
Can be come out by the exhaust pipe 22 for extending to 24 bottom of tank body, effectively prevent liquid refrigerants be back to compressor with lubricating oil and
Lead to the risk of compressor liquid hammer.
Common oil eliminator size is smaller, and in actual design, corresponding oil can be designed according to the size of heat exchange amount
The size of separator assembly is to meet the requirement of heat exchange.
Based on the heat exchanger (oil water- to-water heat exchanger can also be referred to as) proposed by the present invention for heat pump system, this hair
The bright new heat pump system of one kind that also proposed first is introduced and is adopted in the related technology before introducing heat pump system proposed by the present invention
Heat pump system, specific as shown in Figure 9:
When heat pump system refrigerating operaton, gaseous coolant that compressor 91 is discharged from the air inlet pipe 21 of oil separator component into
Enter, the high temperature and pressure cold media gas after Oil-gas Separation is changed through four-way valve 92 into outdoor from the exhaust pipe 22 of oil separator component
Hot device 93, the highly pressurised liquid refrigerant after the condensation cooling of outdoor heat exchanger 93 is by the laggard of electric expansion valve 95 and shut-off valve 97
Enter indoor unit, return to outdoor unit by shut-off valve 98 from the cold media gas after indoor heat exchanger heat absorption, using four-way valve 92, low
Pressure tank 94 returns to the circulation that compressor 91 completes refrigerant, and the lubricating oil separated in oil separator component is returned through oil return pipe 23
To compressor 91.
In heating operation, the gaseous coolant of discharge enters from the air inlet pipe 21 of oil separator component, after Oil-gas Separation
High temperature and pressure cold media gas enter the room machine through four-way valve 92 and shut-off valve 98 from the exhaust pipe 22 of oil separator component, in room
Room heating is realized under the action of interior heat exchanger, the high-pressure liquid refrigerant after radiating in heat exchanger indoors is returned by shut-off valve 97
Return outdoor unit, through electric expansion valve 95 throttling after in outdoor heat exchanger 93 evaporation endothermic, the gaseous coolant after heat absorption is through four-way
Valve 92, low-pressure tank 94 return to compressor 91 and complete refrigerant circulation, and the lubricating oil separated in oil separator component is through oil return
Pipe 23 returns to compressor 91, guarantees that oil starvation does not operate compressor 91.
Wherein, solenoid valve 96 is opened in Defrost operation is conducive to system quickly defrosting.In the embodiment shown in fig. 9,
The function of oil separator component is to realize the centrifugation of oil and refrigerant in the exhaust of compressor 91.
It is to be noted that oil separator component shown in Fig. 9 can use oil separator proposed by the present invention
Component can directly add water shown in Fig. 3 on this basis and change in this way when user needs to upgrade heat pump system
Hot device assembly.
In order to realize the effective use of the energy, the structure of heat pump system proposed by the present invention is as shown in Figure 10, specifically includes:
Compressor 101, four-way valve 102, outdoor heat exchanger 103, indoor unit (not shown), low-pressure tank 106, water tank 109, Yi Jitu
The heat exchanger of heat pump system is used for shown in 6.
Wherein, the outlet of compressor 101 is connected to the air inlet pipe 21 of oil separator component, four ports of four-way valve 102
It is respectively connected to the exhaust pipe 22 of oil separator component, the first port of outdoor heat exchanger 103, the entrance of low-pressure tank 106 and
One shut-off valve 108, the outlet of low-pressure tank 106 and the oil return pipe 23 of oil separator component are connected to the import of compressor 101, room
The second port of external heat exchanger 103 is connected to the second shut-off valve 107 by first throttle component 104, the first shut-off valve 108 and the
Two shut-off valves 107 are connected with the refrigerant pipe in indoor unit；The first port of water tank 109 is connected to water inlet 26, water tank 109
Second port be connected to water outlet 33, be provided with water pump on the pipeline between the first port and water inlet 26 of water tank 109
110, water inlet 26 is also connected to (112 be tap water interface shown in Figure 10) with water source by water compensating valve 111.
In heat pump system shown in Fig. 10, the first port by the way that water tank 109 is arranged is connected to the water inlet 26 of cavity,
And the second port of water tank 109 is set and is connected to the water outlet 33 of cavity, enable heat pump system by oil separator component
Heat realize the function of water heating, effectively increase the utilization efficiency of the energy, simultaneously because without in original heat pump system
On the basis of increase excessive component and can realize the function of water heating, effectively reduce the production cost of product.
And by the way that water pump 110 is arranged on the pipeline between the first port of water tank 109 and water inlet 26, make it possible to lead to
Cross water pump 110 drive water followed between water tank 109 and cavity it is bad, in order to in water tank 109 water heat.
Further, heat pump system further include: solenoid valve 105 is connected in parallel on the first shut-off valve 108 and the second shut-off valve 107
Between.
In this embodiment, by solenoid valve 105 in parallel between the first shut-off valve 108 and the second shut-off valve 107, so that
Heat pump system can control the solenoid valve 105 according to the difference of operational mode.For example, heat pump system is heated in operation
When aqueous mode, can control the solenoid valve 105 unlatching, and control the electric expansion valve in indoor unit closing, such refrigerant without
It crosses indoor unit directly to pass through the solenoid valve 105 and enter outdoor heat exchanger 103 after the throttling of first throttle component 104, in room
Compressor 101 is returned after the evaporation of external heat exchanger 103；And when heat pump system freezes and heats water running, it is above-mentioned by controlling
Solenoid valve 105 is opened, and is enabled refrigerant successively by outdoor heat exchanger 103 and indoor unit, is then returned to compressor 101,
Under the premise of guaranteeing refrigeration, the function of water heating is realized.
Further, heat pump system further include: flow control valve 113 is connected on the first end of water tank 109 with water pump 110
On pipeline between mouth and water inlet 26.
In this embodiment, by setting flow control valve 113 and water pump 110 be connected on the first port of water tank 109 with
On pipeline between the water inlet 26 of cavity, make it possible to keep away by flow control valve 113 come the intracorporal flow rate of control chamber
Exempt from that flow rate is larger to be caused the refrigerant in oil separator component being cooled to saturation temperature or less and be likely to occur compressor liquid
The problem of hitting.
Further, it is provided with water level sensor 114 in water tank 109, to be monitored to the water level in water tank 109.And
And it is additionally provided with water interface 116 and sewage draining exit 115.
In heat pump system shown in Fig. 10, after the heat exchanger proposed by the present invention for heat pump system,
By increasing the accessories such as water tank 109 (can be bearing insulated water box), common heat pump can be upgraded at having the function of water heating
Heat pump system (such as Teat pump boiler).
Based on heat pump system shown in Fig. 10, control method proposed by the present invention is as shown in figure 11, comprising:
Step 1100, when determination needs water heating and compressor is currently running, the exhaust pipe of oil separator component is detected
Temperature；
Step 1102, when the Tail Pipe Temperature of oil separator component is greater than or equal to predetermined temperature value, according in water tank
Water temperature and water level, water compensating valve and water pump are controlled.
By the Tail Pipe Temperature for detecting oil separator component be greater than or equal to predetermined temperature value when, according in water tank
Water temperature and water level water compensating valve and water pump are controlled, make it possible to just open heating when the temperature of oil eliminator is higher
Water function avoids the lower stability also opened water heating function and influence heat pump system of the temperature in oil eliminator.And pass through
According in water tank water temperature and water level water compensating valve and water pump are controlled, make it possible to in water tank water and water temperature into
The accurate control of row.
In one embodiment of the invention, step 1102 specifically includes:
When water level in water tank is less than or equal to the first setting water level, control water compensating valve is opened；
When water level in water tank is greater than the first setting water level, judge whether the water temperature in water tank reaches set water temperature；?
When determining that the water temperature in water tank reaches set water temperature, if the water level in water tank reaches the second setting water level, it is determined that water heating is complete
At otherwise control water compensating valve is opened, wherein the second setting water level is higher than the first setting water level；Determining in water tank
Water temperature when being not up to set water temperature, control water pump is opened；
When water level in water tank reaches the second setting water level, control water compensating valve is closed.
In this embodiment, when being less than or equal to the first setting water level by the water level in water tank, control water compensating valve is opened
It opens, can be supplemented in time when the water in water tank is less.And the water level in water tank is greater than the second setting water level and water
When temperature reaches set water temperature, specification water heating has been completed；When the water level in water tank is not up to the second setting water level but water level
When having reached set water temperature, it can control water compensating valve and open to carry out moisturizing.When water level is greater than the first setting water level in water tank
But when water temperature is not up to set water temperature, opened by control water pump, may be implemented to carry out circulating-heating to the water in water tank.
In addition, control water compensating valve is closed when reaching the second setting water level by the water level in water tank, it can be to avoid water tank
Interior hypervolia and overflow.
Further, after control water compensating valve is opened, further includes: adjust water compensating valve according to the temperature of the water outlet
Aperture.
In this embodiment, the aperture of water compensating valve is adjusted by the temperature according to the water outlet of cavity, it can be to avoid water flow
Rate is larger to be caused the refrigerant in oil separator component being cooled to saturation temperature or less and is likely to occur asking for compressor liquid hammer
Topic.
Further, the control method further include: after control water pump is opened, according to the temperature of the water outlet
Adjust the aperture of the flow control valve.
In this embodiment, it by adjusting the aperture of flow control valve according to the temperature of the water outlet of cavity, can keep away
Exempt from that flow rate is larger to be caused the refrigerant in oil separator component being cooled to saturation temperature or less and be likely to occur compressor liquid
The problem of hitting.
Further, the control method of the heat pump system, further includes: in the instruction for receiving heating water running, or
When receiving refrigeration and heating the instruction of water running, determination needs water heating.
Wherein, according to one embodiment of present invention, the second throttle part is provided on the refrigerant pipe of machine indoors
In the case of, the control method further include: when receiving the instruction of heating water running, control four-way valve for oil eliminator group
The exhaust pipe of part is connected to first shut-off valve, is connected to the first port of outdoor heat exchanger with the entrance of low-pressure tank, and controls
The solenoid valve is made to open and the closing of the second throttle part；
When receiving refrigeration and heating the instruction of water running, four-way valve is controlled by the exhaust pipe of the oil separator component
It is connected to the first port of outdoor heat exchanger, is connected to the entrance of low-pressure tank with first shut-off valve, and control the electromagnetism
Valve is closed and second throttle part is opened.
In this embodiment, when heat pump system is when heating water running, by controlling four-way valve for oil separator component
Exhaust pipe is connected to the first shut-off valve, is connected to the first port of outdoor heat exchanger with the entrance of low-pressure tank, and controls solenoid valve
It opens and the second throttle part is closed, refrigerant is enabled directly to pass through above-mentioned solenoid valve without indoor unit and by above-mentioned the
Enter outdoor heat exchanger after the throttling of one throttle part, returns to compressor after outdoor heat exchanger evaporation.And in heat pump system system
When cold and heating water running, is opened by controlling above-mentioned solenoid valve, refrigerant is successively changed by outdoor heat exchanger, interior
Hot device, then returns to compressor, under the premise of guaranteeing refrigeration, realizes the function of water heating.
In summary:
For heat pump system shown in Fig. 10, when there is water heating demand, if detecting compressor 101 in operation and oil
The outlet temperature of the exhaust pipe 22 of separator assembly is higher than the temperature Tr of setting, then water circuit system can detect the water in water tank 109
Whether position S is lower than preset lowest water level S1, if S≤S1, opens water compensating valve 111 and supplements water level.Wherein, moisturizing is being opened
When valve 111 supplements water level, water pump 110 and flow control valve 113 can be closed, because hydraulic pressure pushes away enough after water compensating valve 111 is opened
Water in dynamic pipeline enters water tank 109, at this point, leaving water temperature T of the aperture of water compensating valve 111 according to water outlet 330It sets, keeps away
The aperture for exempting from water compensating valve 111 larger leads to cooling medium liquefaction.
S > S1 is detected when if just starting, opens water pump 110 and flow control valve 113, and water compensating valve 111 closes at this time
It closes, the aperture of flow control valve 113 is according to the leaving water temperature T of water outlet 330To set.When detecting the temperature in water tank 109
When Tw reaches set temperature, then whether the water level S detected in water tank 109 is greater than preset peak level S2, if S >=S2,
Switch off the pump 110 and flow control valve 113, and determines that water heating is completed, and can send the instruction that heating water energy need to be zero at this time
To controller；And if S < S2, switch off the pump 110 and flow control valve 113, and opens water compensating valve 111, water compensating valve 111
Aperture is according to the leaving water temperature T of water outlet 330To adjust.No matter whenever, as long as detect water level S in water tank 109 >=
S2, then water compensating valve 111 will forcibly close, and prevent water level from overflowing.
In one embodiment of the invention, heat pump system can have refrigeration mode, heating mode, hot water model, system
Cold and hot water model, dehumidification mode and air supply pattern etc., only in hot water model and refrigeration and hot water model, just really
Water circulation system can just be run when having the demand of water heating surely, and only detecting the demand of water heating.Work as heat pump system
When running refrigeration mode, heating mode, dehumidification mode and air supply pattern as common heat pump system, waterway circulating is closed at this time
It closes.
Specifically, when heat pump system runs hot water model, outdoor unit is received from remote controler or line control machine
The water heating demand sent, four-way valve 102 power on commutation, and solenoid valve 105 is opened, and the electric expansion valve of indoor unit is (i.e. above-mentioned
The second throttle part) close, compressor 101 according to can need size determine running frequency.The high temperature being discharged from compressor 101 is high
It presses gaseous coolant to enter oil separator component from air inlet pipe 21, realizes the separation of oil and refrigerant under the action of the centrifugal force, while high
Warm refrigerant exchanges heat in the cavity with the recirculated water from 109 side of water tank, and the refrigerant after Oil-gas Separation and cooling is from exhaust
Pipe 22 comes out the throttling action by four-way valve 102, solenoid valve 105 and electric expansion valve 104 (i.e. above-mentioned first throttle component),
The completion refrigerant of compressor 101 is returned to using four-way valve 102, low-pressure tank 106 after evaporation endothermic amount in outdoor heat exchanger 103 to follow
Ring.And the lubricating oil in oil separator component then passes through oil return pipe 23 and returns to compressor 101, and water passage circulation system is according to above
Control logic operation.
When heat pump system runs refrigeration and hot water model, outdoor unit is received from remote controler or line control machine transmission
The refrigeration and water heating demand come, four-way valve 102 are closed, and solenoid valve 105 is closed, and electronic expansion valve of indoor unit is according to actual needs
Be adjusted, compressor 101 according to can need size determine running frequency.The high pressure gaseous refrigerant being discharged from compressor 101
From air inlet pipe 21 enter oil separator component, under the action of the centrifugal force realize oil and refrigerant separation, while high temperature refrigerant and come
It exchanges heat in the cavity from the recirculated water of 109 side of water tank, the high pressure medium temperature refrigerant after Oil-gas Separation and cooling is from exhaust pipe
22 come out and enter the condensation cooling of outdoor heat exchanger 103 by four-way valve 102, using electric expansion valve 104 from the second shut-off valve
107 enter the room machine, return to outdoor unit from the first shut-off valve 108 after evaporation endothermic in machine indoors, using four-way valve 102,
Low-pressure tank 106 returns to compressor 101 and completes refrigerant circulation.And the lubricating oil in oil separator component then passes through the return of oil return pipe 23
Compressor 101, and water passage circulation system is run according to control logic above.
Wherein, for heat pump system shown in Fig. 10, due to oil storage tank not set inside oil separator component, in water
To ensure that the outlet temperature of exhaust pipe 22 is not less than the saturation temperature of refrigerant when loop control, to avoid there is compressor liquid hammer
Problem.
Based on this, as shown in figure 12, oil separator component uses structure shown in Fig. 7, i.e., oil storage is arranged in tank body 24
Tank 71, this structure limit the control of water circuit system by the saturation temperature of gaseous coolant, and water heating is faster more energy efficient.
The control logic in water route is as described above, but without the leaving water temperature T according to water outlet 330Water compensating valve 111 and stream is arranged
The aperture of control valve 113, and also may not need setting flow control valve 113 under this configuration, in water route.
In addition, for heat pump system shown in Figure 10 and Figure 12, it can also going out in the exhaust pipe 22 of oil separator component
Pressure sensor is set at mouthful to detect refrigerant pressure.
To sum up, it the present invention provides a kind of novel oil separator component, can be assembled with water- to-water heat exchanger component
Novel heat exchanger, the novel heat exchanger can under the premise of realizing that normal oil separate with cold media gas, realization and
The heat exchange of water increases the function of petroleum crude separator, and has stronger flexibility the characteristics of modularization assembling, while also just
In maintenance and remove scale.Novel heat exchanger based on proposition can be with the invention also provides a kind of new Teat pump boiler
The function that water heating is realized under the premise of being increased without four-way valve and bushing type water- to-water heat exchanger, reduces the components of heat pump system
And cost, keep heat pump system more compact.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, and the invention proposes a kind of for heat pump system
Heat exchanger and heat pump system and corresponding control program with the heat exchanger, make it possible to by oil separator component
Heat realizes the heating to water, effectively increases the utilization efficiency of the energy, and without on the basis of original heat pump system
The function of water heating can be realized by increasing excessive component, effectively reduce the production cost of product.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (15)
1. a kind of heat exchanger for heat pump system characterized by comprising oil separator component and be set in the oil
From the shell outside device assembly, the cavity for water-filling, the sky are formed between the shell and the oil separator component
Chamber has water inlet and water outlet；
Wherein, the oil separator component includes: tank body, air inlet pipe, exhaust pipe and oil return pipe, and the oil return pipe is from the tank body
Top insertion, and extend to the bottom of the tank body；
The oil separator component further include:
Oil storage tank is arranged in the tank body, and the middle and upper part of the oil storage tank is provided with the opening communicated with the tank body, described
Air inlet pipe and the oil return pipe protrude into the oil storage tank, and the exhaust pipe is arranged outside the oil storage tank and protrudes into the tank body
Bottom.
2. the heat exchanger according to claim 1 for heat pump system, which is characterized in that the oil separator component is also
It include: the first installation pedestal, the top of the tank body is arranged in first installation pedestal；
The shell is arranged in the second installation pedestal, is provided in second installation pedestal and first installation pedestal pair
The pilot hole answered, first installation pedestal and second installation pedestal are assembled by the pilot hole, will be described
Shell is set in the outside of the oil separator component.
3. the heat exchanger according to claim 2 for heat pump system, which is characterized in that first installation pedestal and
Sealing ring is provided between second installation pedestal.
4. the heat exchanger according to claim 2 for heat pump system, which is characterized in that the water inlet is arranged in institute
It states in the first installation pedestal, the bottom of the shell is arranged in the water outlet.
5. the heat exchanger according to any one of claim 1 to 3 for heat pump system, which is characterized in that the sky
It is intracavitary to be provided with heat exchanger fin.
6. a kind of heat pump system characterized by comprising compressor, four-way valve, outdoor heat exchanger, indoor unit, low-pressure tank, water
Case, and the heat exchanger for heat pump system as described in any one of claims 1 to 5；
Wherein, the outlet of the compressor is connected to the air inlet pipe of the oil separator component, four ports of the four-way valve
It is respectively connected to the entrance of the exhaust pipe of the oil separator component, the first port of the outdoor heat exchanger, the low-pressure tank
With the first shut-off valve, the low-pressure tank outlet and the oil separator component oil return pipe be connected to the compressor into
Mouthful, the second port of the outdoor heat exchanger is connected to the second shut-off valve by first throttle component, first shut-off valve with
Second shut-off valve is connected with the refrigerant pipe in the indoor unit；
The first port of the water tank is connected to the water inlet, and the second port of the water tank is connected to the water outlet, institute
It states and is provided with water pump on the pipeline between the first port of water tank and the water inlet, the water inlet also passes through water compensating valve and water
Source connection.
7. heat pump system according to claim 6, which is characterized in that further include: solenoid valve is connected in parallel on first cut-off
Between valve and second shut-off valve.
8. heat pump system according to claim 6, which is characterized in that further include:
Flow control valve is connected on the pipeline between the first port of the water tank and the water inlet with the water pump.
9. the heat pump system according to any one of claim 6 to 8, which is characterized in that be provided with water level in the water tank
Sensor.
10. a kind of control method of heat pump system, for being carried out to the heat pump system as described in any one of claim 6 to 9
Control, which is characterized in that the control method includes:
When determination needs water heating and the compressor is currently running, the Tail Pipe Temperature of the oil separator component is detected；
When the Tail Pipe Temperature of the oil separator component is greater than or equal to predetermined temperature value, according to the water temperature in the water tank
And water level, the water compensating valve and the water pump are controlled.
11. the control method of heat pump system according to claim 10, which is characterized in that according to the water temperature in the water tank
And water level specifically includes the step of control the water compensating valve and the water pump:
When water level in the water tank is less than or equal to the first setting water level, controls the water compensating valve and open；
When water level in the water tank is greater than the first setting water level, judge whether the water temperature in the water tank reaches setting
Water temperature；When determining that the water temperature in the water tank reaches the set water temperature, if the water level in the water tank reaches the second setting
Water level, it is determined that water heating is completed, and is otherwise controlled the water compensating valve and is opened, wherein the second setting water level is higher than described the
One setting water level；When determining that the water temperature in the water tank is not up to the set water temperature, controls the water pump and open；
When water level in the water tank reaches the second setting water level, controls the water compensating valve and close.
12. the control method of heat pump system according to claim 11, which is characterized in that opened controlling the water compensating valve
Later, further includes:
The aperture of the water compensating valve is adjusted according to the temperature of the water outlet.
13. the control method of heat pump system according to claim 11, which is characterized in that the heat pump system include with
In the case that the water pump is connected on the flow control valve on the pipeline between the first port of the water tank and the water inlet,
The control method further include:
After controlling the water pump and opening, the aperture of the flow control valve is adjusted according to the temperature of the water outlet.
14. the control method of heat pump system described in any one of 0 to 13 according to claim 1, which is characterized in that further include:
In the instruction for receiving heating water running, or when receiving refrigeration and heating the instruction of water running, determination needs to heat
Water.
15. the control method of heat pump system according to claim 14, which is characterized in that in the heat pump system including simultaneously
The solenoid valve being associated between first shut-off valve and second shut-off valve, and be provided on the refrigerant pipe of the indoor unit
In the case where second throttle part, the control method further include:
Receive it is described heating water running instruction when, control the four-way valve by the exhaust pipe of the oil separator component with
The first port of the outdoor heat exchanger is connected to the entrance of the low-pressure tank, and controls institute by the first shut-off valve connection
Solenoid valve is stated to open and second throttle part closing；
When receiving the instruction of the refrigeration and heating water running, the four-way valve is controlled by the row of the oil separator component
Tracheae is connected to the first port of the outdoor heat exchanger, is connected to the entrance of the low-pressure tank with first shut-off valve, and
The solenoid valve is controlled to close and second throttle part unlatching.
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| CN201610711005.4A CN106196699B (en) | 2016-08-23 | 2016-08-23 | Heat exchanger, heat pump system and its control method for heat pump system |
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| CN201610711005.4A CN106196699B (en) | 2016-08-23 | 2016-08-23 | Heat exchanger, heat pump system and its control method for heat pump system |
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| CN107676846A (en) * | 2017-10-26 | 2018-02-09 | 何铭 | A kind of CO2Air source heat pump synergy heating installation |
| CN108709348B (en) * | 2018-06-27 | 2024-07-02 | 佛山市德天电器有限公司 | Multiple heat exchange oil content device and heat pump system thereof |
| CN111412678A (en) * | 2020-03-31 | 2020-07-14 | 青岛索迷尔能源科技有限公司 | Double-power double-pass driving heat pump system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09177532A (en) * | 1995-12-27 | 1997-07-08 | Sanyo Electric Co Ltd | Oil separator and engine driven power unit utilizing it |
| CN202177268U (en) * | 2011-06-20 | 2012-03-28 | 新昌县康利德制冷配件有限公司 | Oil separator |
| CN203744629U (en) * | 2014-02-19 | 2014-07-30 | 广东志高暖通设备股份有限公司 | Air conditioner and oil separator facilitating contamination discharge |
| CN103776191A (en) * | 2014-02-21 | 2014-05-07 | 广东志高暖通设备股份有限公司 | Multi-split air conditioner and heat pump system thereof |
| CN203869369U (en) * | 2014-06-10 | 2014-10-08 | 上海富宇轩实业发展有限公司 | Cooling and heating combined unit |
| CN204612276U (en) * | 2015-03-18 | 2015-09-02 | 青岛海尔空调电子有限公司 | A kind of oil eliminator and gas-liquid separator combining structure and air-conditioning |
| CN205980423U (en) * | 2016-08-23 | 2017-02-22 | 广东美的暖通设备有限公司 | A heat exchanger and heat pump system for heat pump system |
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