CN208587974U - A kind of solar energy and air source heat pump united heat and remove defrosting system - Google Patents
A kind of solar energy and air source heat pump united heat and remove defrosting system Download PDFInfo
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- CN208587974U CN208587974U CN201820907664.XU CN201820907664U CN208587974U CN 208587974 U CN208587974 U CN 208587974U CN 201820907664 U CN201820907664 U CN 201820907664U CN 208587974 U CN208587974 U CN 208587974U
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- refrigerant
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- defrosting
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- solenoid valve
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Abstract
The utility model discloses a kind of solar energy and air source heat pump united heat and remove defrosting system, including outdoor heat exchanger, four-way reversing valve, gas-liquid separator, compressor, indoor side heat exchanger, expansion valve, solar heat-preservation water tank, solar heat-collection plate, water circulating pump, temperature sensor, circuit switch, electrochemical cream heating tube and solenoid valve.The advantages of the utility model: (1) the utility model takes full advantage of solar energy, and the consumption of electric energy can be effectively reduced.(2) heating system of the utility model can switch between three kinds of operational modes, energy saving to the maximum extent in the case where meeting heat supply in winter hot water demand.(3) the utility model can be taken into account in defrosting to indoor heating, the problem of avoiding the reduction of room temperature caused by reverse cycle defrosting, indoor comfort decline (4) the utility model is defrosted using the energy that solar energy stores, reduce the wasted work and defrosting time of compressor, energy-saving effect is more preferable.
Description
Technical field
The utility model relates to technical field of heat pumps, and in particular to a kind of solar energy with air source heat pump united heat is simultaneous removes
Defrosting system.
Background technique
With the worsening shortages of conventional energy resource and the serious pollution of environment, the development and utilization of new energy is increasingly by weight
Depending on.Distribution of solar energy is in extensive range, safety and environmental protection, is a kind of inexhaustible, nexhaustible renewable energy.China's solar energy
Resourceful, the annual sunshine-duration is more than that the area of 2200h accounts for about the 2/3 of national total area, has the economy using solar energy
Value.Average of the whole year solar energy total amount of irradiation is 5.86GJ/m2, there is the good condition using solar energy.Solar heat water system
System since it facilitates economy to be that people provide hot water and are widely used in various regions, but due to weather, the nature item such as round the clock
The influence of part, fully relying on solar heating has certain restricted, and supplementary energy is in solar energy heating system must can not
Few.
Air source heat pump is a kind of device for making heat flow to by low-temperature heat source high temperature heat source using part high potential, tool
Have energy conservation and environmental protection, flexibility it is big, convenient for many merits such as management.Therefore, solar energy and the united heating system of air source heat pump
The advantages of energy conservation, comfortable, using flexible can be had both, solar energy resources are made full use of, it is energy-saving and environment-friendly excellent to play clean energy resource
More property, is protected from weather influences simultaneously, fully ensures that user's winter round-the-clock heating demands.
However, there is the frosting of outdoor heat exchanger when air source heat pump is run in winter.The formation of frost layer was both
The thermal conduction resistance of heat-exchanger surface is increased, and increases the resistance of air stream over-heat-exchanger, to reduce outside
The heat transfer coefficient of heat exchanger makes the reduction of unit heating capacity.
Most common Defrost mode is reverse cycle defrosting and hot gas defrosting.Reverse cycle defrosting is changed by four-way reversing valve
To making refrigerant reverse flow, be discharged to outdoor heat exchanger from indoor heat absorption with defrosting, there are more disadvantages for this method, such as
Defrosting time is longer, energy consumption of compressor is higher, reduces room temperature (need to stop when defrosting to indoor heating), four-way reversing valve frequency
Numerous commutation serious wear etc.；Hot gas defrosting is that machine high-temperature exhaust air will be partially compressed to be passed through outdoor heat exchanger with defrosting, the party
Method there is also defrosting times it is longer, energy consumption of compressor is higher, delivery temperature is lower the problems such as.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of prior art, a kind of solar energy is provided and is combined with air source heat pump
Heating is simultaneous to remove defrosting system, and this system can satisfy the demand of heat supply in winter hot water, and make full use of renewable energy, to reduce
The consumption of electric energy；This system can also overcome the shortcomings that conventional air source heat pump defrosting mode, be defrosted using solar energy, remove
It takes into account when white to indoor heating, to solve the problems, such as room temperature reduction.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of solar energy and air source heat pump united heat of the utility model are simultaneous to remove defrosting system, comprising:
The thermal-arrest outlet end of solar heat-preservation water tank, the solar heat-preservation water tank is sequentially connected by thermal-arrest circulating line
The thermal-arrest arrival end of water circulating pump, solar heat-collection plate and solar heat-preservation water tank is pacified on the solar heat-preservation water tank
Equipped with the first temperature sensor for detecting the real-time water temperature in solar heat-preservation water tank, in the solar heat-preservation water tank
In the refrigerant coil of solar heat-preservation water tank is installed；
Indoor side heat exchanger is equipped with the refrigerant disk of indoor side heat exchanger in the indoor side heat exchanger
The water outlet of pipe, the indoor side heat exchanger passes through hot water supplying pipe and indoor heating terminal equipped with third temperature sensor
The water inlet of entrance connection, the indoor side heat exchanger passes through the heat equipped with second temperature sensor and second solenoid valve
Return pipe and indoor heating terminal outlet；The first pipe for being equipped with the first solenoid valve is used to return the heat in hot return pipe
Water is sent into solar heat-preservation water tank, and the second pipe for being equipped with third solenoid valve is used to the accumulation of heat water in solar heat-preservation water tank
It is sent into hot return pipe；The second temperature sensor and third temperature sensor is respectively used to detect hot return water temperature and heat supplies
Coolant-temperature gage, the second solenoid valve are located at the position that second pipe is connected with hot return pipe and first pipe and hot return pipe
On hot return pipe between connected position, the both ends of the third pipeline equipped with the 4th solenoid valve respectively with the water inlet of hot water supplying pipe
The water outlet connection of Kou Chu, hot return pipe；
Outdoor heat exchanger is equipped with refrigerant coil and electrochemical cream heating in the outdoor heat exchanger
Pipe；The electrochemical cream heating tube is connected by circuit switch and conducting wire with 220V AC voltage, when the energy that solar energy stores
It is insufficient for assisting defrosting when defrosting demand；
Gas-liquid separator, at the top of the gas-liquid separator on outlet successively commutated with compressor, four-way by pipeline
Entrance on valve and gas-liquid separator side wall is connected；
One refrigerant circulation pipe makes to freeze for receiving the low-temp low-pressure gaseous refrigerant come from refrigerant coil
Agent is returned after four-way reversing valve, the 7th solenoid valve, the refrigerant coil of indoor side heat exchanger, the 5th solenoid valve and expansion valve
Return refrigerant coil；
One defrosting refrigerant input channel, for receiving the low temperature come from the refrigerant coil of solar heat-preservation water tank
Low-pressure gaseous defrosting refrigerant makes low-temp low-pressure gaseous state defrosting refrigerant be sent into refrigerant circulation pipe through the 8th solenoid valve
The first pipeline section between four-way reversing valve and the 7th solenoid valve；
One defrosting refrigerant output channel is located at expansion valve and the 5th electromagnetism for receiving from refrigerant circulation pipe
The low-temp low-pressure liquid defrosting refrigerant of the second pipeline section outflow between valve, and low-temp low-pressure liquid defrosting refrigerant is led to
Cross the entrance that the 6th solenoid valve send the refrigerant coil to solar heat-preservation water tank.
Compared with prior art, the utility model has the following beneficial effects:
The utility model takes full advantage of solar energy, compared to single air source heat pump system, can be effectively reduced electric energy
Consumption.
The utility model passes through the mounting temperature sensor on solar heat-preservation water tank, hot water supplying pipe, hot return pipe, detection
Real-time water temperature is meeting the winter so that solar energy and air source heat pump combined heating system be made to switch between three kinds of operational modes
It heats in season in the case where hot water demand, it is energy saving to the maximum extent.
The utility model can be taken into account in defrosting to indoor heating, and the drop of room temperature caused by reverse cycle defrosting is avoided
The problem of low, indoor comfort declines.
The utility model is defrosted using the energy that solar energy stores, and reduces the wasted work and defrosting time of compressor, energy conservation
Effect is more preferable.
Detailed description of the invention
Fig. 1 is solar energy described in the utility model with air source heat pump united heat and except the overall structure of defrosting system is shown
It is intended to.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, a kind of solar energy and air source heat pump united heat are simultaneous except defrosting system, comprising:
The thermal-arrest outlet end of solar heat-preservation water tank 7, the solar heat-preservation water tank 7 is successively connected by thermal-arrest circulating line
The thermal-arrest arrival end for connecing water circulating pump 9, solar heat-collection plate 8 and solar heat-preservation water tank 7, in the solar heat-preservation water tank
The first temperature sensor 10 for detecting the real-time water temperature in solar heat-preservation water tank is installed, in the solar energy on 7
The refrigerant coil 7-1 of solar heat-preservation water tank 7 is installed in hot water storage tank 7；
Indoor side heat exchanger 5 is equipped with the refrigeration of indoor side heat exchanger 5 in the indoor side heat exchanger 5
The water outlet of agent coil pipe 5-1, the indoor side heat exchanger 5 pass through the hot water supplying pipe 23-1 equipped with third temperature sensor 12
It is connected to indoor heating terminal entrance, the water inlet of the indoor side heat exchanger 5 is by being equipped with second temperature sensor 11
And the hot return pipe 23-2 of second solenoid valve 16 and indoor heating terminal outlet；It is equipped with the first of the first solenoid valve 15
Pipeline 23-3 is used to the hot return water in hot return pipe 23-2 being sent into solar heat-preservation water tank 7, is equipped with third solenoid valve 17
Second pipe 23-4 is used to the accumulation of heat water in solar heat-preservation water tank 7 being sent into hot return pipe 23-2；The second temperature passes
Sensor 11 and third temperature sensor 12 are respectively used to detect hot return water temperature and hot supply water temperature.The second solenoid valve 16
Between the position that second pipe 23-4 is connected with hot return pipe and the position that first pipe 23-3 is connected with hot return pipe
Hot return pipe on, the both ends of the third pipeline 23-5 equipped with the 4th solenoid valve 18 water inlet with hot water supplying pipe 23-1 respectively
The water outlet connection at place, hot return pipe 23-2.
Outdoor heat exchanger 1 is equipped with refrigerant coil 1-1 and electrification in the outdoor heat exchanger 1
White heating tube 14；The electrochemical cream heating tube 14 is connected by circuit switch 13 and conducting wire with 220V AC voltage, and the sun is worked as
The energy that can be stored is insufficient for assisting defrosting when defrosting demand.
Gas-liquid separator 3, the outlet on 3 top of the gas-liquid separator are successively changed with compressor 4, four-way by pipeline
Entrance on 3 side wall of valve 2 and gas-liquid separator is connected；Namely: two interfaces of four-way reversing valve 2 respectively with gas-liquid separation
The outlet of the entrance and compressor 4 of device 3 is connected；The outlet of the gas-liquid separator 3 is connected with the entrance of the compressor 4.
One refrigerant circulation pipe 23-8, for receiving the low-temp low-pressure gaseous refrigerant come from refrigerant coil 1-1,
Make refrigerant by four-way reversing valve 2, the 7th solenoid valve 21, the refrigerant coil 5-1 of indoor side heat exchanger 5, the 5th electromagnetism
Refrigerant coil 1-1 is returned after valve 19 and expansion valve 6；
One defrosting refrigerant input channel 23-7, for receiving the refrigerant coil 7-1 from solar heat-preservation water tank 7
The low-temp low-pressure gaseous state defrosting refrigerant come is sent into low-temp low-pressure gaseous state defrosting refrigerant through the 8th solenoid valve 22 and freezes
First pipeline section 23-9 of the agent circulating line 23-8 between four-way reversing valve 2 and the 7th solenoid valve 21；
One defrosting refrigerant output channel 23-6 is located at expansion valve 6 for receiving from refrigerant circulation pipe 23-8
The low-temp low-pressure liquid defrosting refrigerant of the second pipeline section 23-10 outflow between the 5th solenoid valve 19, and by low-temp low-pressure
Liquid defrosting refrigerant is sent by the 6th solenoid valve 20 to the entrance of the refrigerant coil 7-1 of solar heat-preservation water tank 7.
The solar energy and air source heat pump united heat of the present embodiment are simultaneous except defrosting system can be realized two kinds of heating and defrosting
Function, detailed workflow are as follows:
One, it heats:
Open four-way reversing valve 2, the outlet of refrigerant coil 1-1 and the entering for gas-liquid separator 3 of outdoor heat exchanger 1
Mouthful connection, the entrance of the refrigerant coil 5-1 of indoor side heat exchanger 5 and outlet the first pipeline section 23-9 of compressor 4 and the
The connection of seven solenoid valves 21；
The liquid refrigerant of low-temp low-pressure initially enters the refrigerant coil 1-1 evaporation endothermic of outdoor heat exchanger 1, becomes
For the gaseous refrigerant of low-temp low-pressure, subsequently entering gas-liquid separator 3 separates refrigerant gas with liquid, using compressor
4, become the gaseous refrigerant of high temperature and pressure, enters the room the refrigerant coil 5-1 condensation heat release of side heat exchanger 5 later, it will
Heat transfer becomes the liquid refrigerant of high temperature and pressure to return water, finally passes through 6 reducing pressure by regulating flow of expansion valve, becomes low temperature again
The liquid refrigerant of low pressure completes refrigeration cycle；
During this, the 5th solenoid valve 19 is opened always with the 7th solenoid valve 21, the 6th solenoid valve 20 and the 8th solenoid valve
22 close always；
During this, the first temperature sensor 10, second temperature sensor 11,12 real-time detection of third temperature sensor are too
Water temperature, hot return water temperature and hot supply water temperature in positive energy hot water storage tank, so that heating system is divided into three kinds of operational modes:
1. the independent heating mode of solar energy.When the real-time water temperature of hot water storage tank that the first temperature sensor 10 detects is higher than the
When the hot supply water temperature that three-temperature sensor 12 detects, the first solenoid valve 15, third solenoid valve 17, the 4th solenoid valve 18 are beaten
It opens, second solenoid valve 16 is closed, and the heat source by solar energy as heating system, hot return water is through first pipe 23-3, the first electromagnetism
Valve 15 flows into solar heat-preservation water tank 7, and the heat after being heated by solar heat-preservation water tank 7 supplies water through second pipe 23-4, third electricity
Magnet valve 17, third pipeline 23-5, the 4th solenoid valve 18 flow into hot water supplying pipe 23-1；
2. solar energy and air source heat pump are (mainly by outdoor heat exchanger 1, compressor 4, indoor side heat exchanger 5, swollen
The equal devices of swollen valve 6 are constituted) united heat mode.When the real-time water temperature of hot water storage tank that the first temperature sensor 10 detects is between
When between the hot supply water temperature that the hot return water temperature and third temperature sensor 12 that two temperature sensors 11 detect detect, the
One solenoid valve 15, third solenoid valve 17 are opened, and second solenoid valve 16, the 4th solenoid valve 18 are closed, by solar energy and air-source heat
The heat source collectively as combined heating system is pumped, hot return water flows into solar energy through first pipe 23-3, the first solenoid valve 15 first
Hot water storage tank 7, the hot return water after being heated by solar heat-preservation water tank 7 is through second pipe 23-4, third solenoid valve 17, hot return pipe
23-2 flows into indoor side heat exchanger 5 again, and the heat after being heated by indoor side heat exchanger 5, which supplies water, flows into hot water supplying pipe 23-1；
3. the independent heating mode of air source heat pump.When the real-time water temperature of hot water storage tank that the first temperature sensor 10 detects is low
When the hot return water temperature that second temperature sensor 11 detects, second solenoid valve 16 is opened, the first solenoid valve 15, third electromagnetism
Valve 17, the 4th solenoid valve 18 are closed, and the heat source by air source heat pump as heating system, hot return water is through hot return pipe 23-2, the
Two solenoid valves 16 flow into indoor side heat exchanger 5, and the heat after being heated by indoor side heat exchanger 5, which supplies water, flows into hot water supplying pipe 23-
1。
Two, it defrosts:
Open four-way reversing valve 2, the outlet of refrigerant coil 7-1 and the entering for gas-liquid separator 3 of solar heat-preservation water tank 7
The outlet of mouth connection, the entrance and compressor 4 of the refrigerant coil 1-1 of outdoor heat exchanger 1 passes through four-way reversing valve 2 and system
Refrigerant cycle pipeline 23-8 connection；
During this, the liquid refrigerant of low-temp low-pressure successively passes through the second pipeline section 23-10, defrosting refrigerant efferent duct
Road 23-6 absorbs the heat of hot water in water tank into the refrigerant coil 7-1 evaporation of solar heat-preservation water tank 7, it is low to become low temperature
The gaseous refrigerant of pressure, then passes through defrosting refrigerant input channel 23-7 and the first pipeline section 23-9 enters gas-liquid separator 3
It separates refrigerant gas with liquid, using compressor 4, becomes the gaseous refrigerant of high temperature and pressure, enter outside later
The refrigerant coil 1-1 of heat exchanger 1 condenses heat release, to melt the frost layer on 1 surface of outdoor heat exchanger；
During this, the 6th solenoid valve 20 is opened always with the 8th solenoid valve 22, the 5th solenoid valve 19 and the 7th solenoid valve
21 close always；
During this, the first solenoid valve 15, third solenoid valve 17, the 4th solenoid valve 18 are opened, and second solenoid valve 16 is closed,
Solar heat-preservation water tank 7 is set to continue to avoid interior caused by traditional reverse cycle defrosting mode to indoor heating during defrosting
The problem of temperature is greatly reduced, indoor comfort declines to a great extent.
During this, when the energy that solar heat-preservation water tank stores cannot meet the requirement of defrosting and heating simultaneously, close
Circuit switch 13 is closed, 220V AC voltage makes its fever, assisting defrosting to the energization of electrochemical cream heating tube 14.
Claims (1)
1. a kind of solar energy and air source heat pump united heat are simultaneous except defrosting system, characterized by comprising:
The thermal-arrest outlet end of solar heat-preservation water tank, the solar heat-preservation water tank is sequentially connected circulation by thermal-arrest circulating line
The thermal-arrest arrival end of water pump, solar heat-collection plate and solar heat-preservation water tank is equipped on the solar heat-preservation water tank
For detecting the first temperature sensor of the real-time water temperature in solar heat-preservation water tank, pacify in the solar heat-preservation water tank
Refrigerant coil equipped with solar heat-preservation water tank；
Indoor side heat exchanger is equipped with the refrigerant coil of indoor side heat exchanger in the indoor side heat exchanger,
The water outlet of the indoor side heat exchanger is entered by the hot water supplying pipe equipped with third temperature sensor with indoor heating terminal
Mouth connection, the water inlet of the indoor side heat exchanger pass through the heat equipped with second temperature sensor and second solenoid valve and return
Water pipe and indoor heating terminal outlet；The first pipe for being equipped with the first solenoid valve is used to the hot return water in hot return pipe
It is sent into solar heat-preservation water tank, the second pipe for being equipped with third solenoid valve is used to send in the accumulation of heat water in solar heat-preservation water tank
Enter hot return pipe；The second temperature sensor and third temperature sensor is respectively used to detect hot return water temperature and heat supplies water
Temperature, the second solenoid valve are located at the position that second pipe is connected with hot return pipe and first pipe and hot return pipe phase
Even position between hot return pipe on, the both ends of the third pipeline equipped with the 4th solenoid valve respectively with the water inlet of hot water supplying pipe
The water outlet connection at place, hot return pipe；
Outdoor heat exchanger is equipped with refrigerant coil and electrochemical cream heating tube in the outdoor heat exchanger；
The electrochemical cream heating tube is connected by circuit switch and conducting wire with 220V AC voltage, when the energy that solar energy stores is insufficient
Assisting defrosting when meeting defrosting demand；
Gas-liquid separator, at the top of the gas-liquid separator on outlet by pipeline successively with compressor, four-way reversing valve with
And the entrance on gas-liquid separator side wall is connected；
One refrigerant circulation pipe passes through refrigerant for receiving the low-temp low-pressure gaseous refrigerant come from refrigerant coil
System is returned after crossing four-way reversing valve, the 7th solenoid valve, the refrigerant coil of indoor side heat exchanger, the 5th solenoid valve and expansion valve
Cryogen coil pipe；
One defrosting refrigerant input channel, for receiving the low-temp low-pressure come from the refrigerant coil of solar heat-preservation water tank
Gaseous state defrosting refrigerant makes low-temp low-pressure gaseous state defrosting refrigerant be sent into refrigerant circulation pipe through the 8th solenoid valve and is located at
The first pipeline section between four-way reversing valve and the 7th solenoid valve；
One defrosting refrigerant output channel, for receive from refrigerant circulation pipe be located at expansion valve and the 5th solenoid valve it
Between the outflow of the second pipeline section low-temp low-pressure liquid defrosting refrigerant, and low-temp low-pressure liquid defrosting refrigerant is passed through the
Six solenoid valves send the entrance of the refrigerant coil to solar heat-preservation water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820907664.XU CN208587974U (en) | 2018-06-12 | 2018-06-12 | A kind of solar energy and air source heat pump united heat and remove defrosting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820907664.XU CN208587974U (en) | 2018-06-12 | 2018-06-12 | A kind of solar energy and air source heat pump united heat and remove defrosting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208587974U true CN208587974U (en) | 2019-03-08 |
Family
ID=65536810
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820907664.XU Expired - Fee Related CN208587974U (en) | 2018-06-12 | 2018-06-12 | A kind of solar energy and air source heat pump united heat and remove defrosting system |
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|---|---|
| CN (1) | CN208587974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731084A (en) * | 2018-06-12 | 2018-11-02 | 天津大学 | A kind of solar energy and air source heat pump united heat and remove defrosting system |
-
2018
- 2018-06-12 CN CN201820907664.XU patent/CN208587974U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731084A (en) * | 2018-06-12 | 2018-11-02 | 天津大学 | A kind of solar energy and air source heat pump united heat and remove defrosting system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190308 Termination date: 20190612 |