CN210624927U - Hot water tank air source heat pump heating unit - Google Patents
Hot water tank air source heat pump heating unit Download PDFInfo
- Publication number
- CN210624927U CN210624927U CN201921600426.5U CN201921600426U CN210624927U CN 210624927 U CN210624927 U CN 210624927U CN 201921600426 U CN201921600426 U CN 201921600426U CN 210624927 U CN210624927 U CN 210624927U
- Authority
- CN
- China
- Prior art keywords
- hot water
- water tank
- compressor
- evaporator
- heat pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model provides a hot-water tank air source heat pump heating unit. The front evaporator and the rear evaporator are arranged in parallel with a gap between the front evaporator and the rear evaporator, suction fans are arranged outside the front evaporator and the rear evaporator, the front evaporator is connected with a first compressor through a pipeline, and the rear evaporator is connected with a second compressor through a pipeline; the first compressor is connected with a first condenser arranged in the hot water tank through a pipeline, the second compressor is connected with a second condenser in the hot water tank, a water injection pipe is arranged at the lower part of the hot water tank, and a hot water outlet pipe is connected at the upper part of the hot water tank; a temperature sensor is arranged in the hot water tank and is respectively connected with the circuits of the first compressor and the second compressor through a temperature controller. The utility model discloses utilize air source heat pump set to heat to the water pitcher normal water heating, utilize two compressor system work in turn moreover, satisfy the actual need and the temperature regulation of water heating. The air source heat pump heating unit is suitable for being used as a hot water tank air source heat pump heating unit.
Description
Technical Field
The utility model provides an air conditioning unit, specifically speaking are hot-water tank air source heat pump heating unit that heat energy utilization field used.
Background
The present widely used air source hot water unit, efficiency is than traditional system air source hot water unit thermal efficiency has very big promotion. However, the evaporators of the air source heat pump units with the two compressors are installed in parallel, and two problems exist: 1. the temperature difference between the air inlet and the air outlet is large, and the cascade utilization of heat energy cannot be realized; 2. when the single compressor is operated, the other non-working evaporator still has the same air flowing through, and 50% of air volume is wasted.
SUMMERY OF THE UTILITY MODEL
In order to utilize the heat exchange of air source unit to heat, the utility model provides a hot-water bottle heating air source heat pump unit. The air source heat pump unit carries out heat exchange heating on water in the hot water tank through a condenser of the air source heat pump unit, and the technical problem of heating by the air source heat pump unit is solved.
The utility model provides a scheme that technical problem adopted is:
the front evaporator and the rear evaporator are arranged in parallel with a gap between the front evaporator and the rear evaporator, suction fans are arranged outside the front evaporator and the rear evaporator, the front evaporator is connected with a first compressor through a pipeline, and the rear evaporator is connected with a second compressor through a pipeline;
the first compressor is connected with a first condenser arranged in the hot water tank through a pipeline, the second compressor is connected with a second condenser in the hot water tank, a water injection pipe is arranged at the lower part of the hot water tank, and a hot water outlet pipe is connected at the upper part of the hot water tank;
a temperature sensor is arranged in the hot water tank and is respectively connected with the circuits of the first compressor and the second compressor through a temperature controller.
The positive effects are as follows: the utility model discloses utilize air source heat pump set to heat, to the water pitcher normal water heating, obtain the hot water, utilized the energy in the natural air, utilize two compressor system work in turn moreover, satisfy the actual need and the temperature regulation of water heating, consequently save unit running energy and amount of wind. The air source heat pump heating unit is suitable for being used as a hot water tank air source heat pump heating unit.
Drawings
Fig. 1 is the schematic diagram of the unit structure arrangement of the present invention.
In the figure, 1.1, a first compressor, 1.2, a second compressor, 2.1, a first condenser, 2.2, a second condenser, 3.1, a first expansion valve, 3.2, a second expansion valve, 4.1, a front evaporator, 4.2, a rear evaporator, 5, a suction fan, 6, a hot water tank, 7, a water injection pipe, 8, a hot water outlet pipe, 9, a temperature sensor and 10, a temperature controller.
Detailed Description
Is characterized in that: the front evaporator and the rear evaporator are arranged in parallel at a distance in an air duct provided with a suction fan, and the evaporators perform gradient cooling on air.
The specific connection relation is as follows:
the front evaporator 4.1 and the rear evaporator 4.2 are arranged in parallel with a gap therebetween, suction fans 5 are arranged outside the front evaporator and the rear evaporator, the front evaporator is connected with the first compressor 1.1 through a pipeline, and the rear evaporator is connected with the second compressor 1.2 through a pipeline;
the first compressor is connected with a first condenser 2.1 arranged in a hot water tank 6 through a pipeline, the second compressor is connected with a second condenser 2.2 in the hot water tank, a water injection pipe 7 is arranged at the lower part of the hot water tank, and a hot water outlet pipe 8 is connected at the upper part of the hot water tank;
a temperature sensor 9 is arranged in the hot water tank and is respectively connected with the circuits of the first compressor and the second compressor through a temperature controller 10.
The working process is as follows:
when the temperature in the hot water tank is lower than the set temperature of the temperature controller, the two compressors are started to operate simultaneously to operate, so that the evaporator and the condenser work circularly, high-temperature gaseous refrigerant is discharged into the condenser through the compressors, enters the condenser, releases heat in the condenser to exchange heat with water, heats the water, simultaneously, the high-temperature gaseous refrigerant is converted into liquid, the liquid refrigerant enters the evaporator after being decompressed through the expansion valve, the liquid refrigerant is evaporated in the evaporator to be converted into gas, and exchanges heat with air to absorb heat, so that the temperature of the air is reduced. The gaseous refrigerant is drawn into the compressor, constituting a working cycle.
When the water in the hot water tank is close to the set temperature, one of the two compressors is stopped to work, and the compressor is used for independently working, so that the temperature in the hot water tank is not reduced.
If the temperature of the water in the hot water tank can not reach the set temperature, the two compressors work simultaneously.
The use effect is as follows:
typically, the evaporator inlet and outlet temperature difference is about 10 ℃. Under the working conditions that the ambient temperature is 20 ℃ and the logarithmic heat exchange temperature difference is 5 ℃, the air outlet temperature is 10 ℃ and the evaporation temperature is 8.43 ℃.
Under the condition that one compressor is operated, the air quantity passing through the compressor is doubled, so that the air outlet temperature difference is reduced by half, namely the air outlet temperature is 15 ℃, and the evaporation temperature is 12.09 ℃ under the working condition that the logarithmic heat exchange temperature difference is 5 ℃. This can raise the evaporating temperature of the evaporator by 3.66 deg.c and the heat efficiency of the compressor by 14.6%, and the efficiency of the compressor is raised by about 4% for every 1 deg.c raising of evaporating temperature.
In the case of simultaneous operation of the two compressors, the evaporation temperature of the post-evaporator was still 12.09 ℃. And the evaporation temperature of the pre-evaporator is 7.09 ℃ under the working condition that the logarithmic heat exchange temperature difference is 5 ℃, the evaporation temperature is reduced by 1.34 ℃, so that the heat efficiency of the first compressor is reduced by 5.4%, and the efficiency of the compressor is reduced by about 4% when the evaporation temperature is reduced by 1 ℃. The increase in thermal efficiency of the two compressors is {14.6% + (-5.4%) } ÷ 2= 4.6%.
The hot water tank has a water inlet pipe for injecting water into the hot water tank, and a hot water outlet pipe for leading out heated hot water from the hot water tank.
The technical principle is as follows:
high-temperature high-pressure gas respectively enters the first condenser and the second condenser, and water in the hot water tank exchanges heat with refrigerant in the condensers to condense the high-temperature high-pressure gas in the condensers into high-pressure liquid.
The high-pressure liquid is depressurized through the first expansion valve and the second expansion valve to form a gas-liquid mixture of the low-temperature low-pressure refrigerant.
The low-temperature low-pressure refrigerant enters the front evaporator and the rear evaporator in sequence. The natural air passes through the rear evaporator and the front evaporator in sequence under the action of the suction fan, and exchanges heat with the refrigerant in the evaporator to evaporate the refrigerant into low-temperature and low-pressure gas.
The low-temperature low-pressure gas refrigerant respectively enters the air suction ports of the first compressor and the second compressor, and is compressed by the compressors to discharge high-temperature high-pressure gas.
The evaporator cools the passing air through induced draft to absorb heat, and the condenser releases heat through the gaseous working medium to exchange heat to generate heat.
The temperature sensor senses the water temperature in the hot water tank and transmits the water temperature to the temperature controller through a conducting wire, two sets of temperature control units are respectively installed in the temperature controller and are respectively connected with the circuits of the first compressor and the second compressor, the temperature sensor and the temperature controller are connected in a time difference mode, and the temperature controller instructs a single compressor working mode or a combined operation mode of the two compressors.
This hot water unit differs with current air source heat pump set's structure:
the evaporators of the existing air source heat pump units are arranged in a ventilation air duct in a V shape, and the air volume passing through the two evaporators is the same, so that the temperature gradient utilization of the evaporators cannot be carried out, and the working efficiency is relatively low. The evaporators of the hot water tank heating air source heat pump unit are arranged in the front and back of an air suction channel, and the ventilation volume of each evaporator is doubled, so that the gradient utilization of the temperature of the evaporators can be realized, the working condition of the unit is improved, and the technical effects of energy conservation and heat utilization are realized.
The significance of the invention lies in that:
the parallel installation of the evaporators increases the evaporating temperature of the second compressor, and the second compressor doubles the air volume passing through one compressor when the single compressor is operated, thereby improving the evaporating temperature and increasing the heating efficiency of the compressors.
The application range is as follows:
the method is suitable for air source heat pump units, heat pump dryers, dehumidifiers, air water generators and refrigeration thermal technological processes.
The technical problem to be solved is as follows:
the heat pump unit can solve the problems that the energy of the existing multi-compressor air source heat pump unit cannot be utilized in a gradient mode and 50% of air quantity is wasted when a single compressor operates.
The method is characterized in that:
the hot water heating of the hot water tank adopts the air source heat pump unit, utilizes the natural energy of air to carry out work circulation, heats the water in the hot water tank, simultaneously improves the work efficiency of the air source heat pump, and saves energy.
Claims (1)
1. The hot water tank air source heat pump heating unit is characterized in that:
the front evaporator (4.1) and the rear evaporator (4.2) are arranged in parallel, a space is arranged between the front evaporator and the rear evaporator, suction fans (5) are arranged outside the front evaporator and the rear evaporator, the front evaporator is connected with the first compressor (1.1) through a pipeline, and the rear evaporator is connected with the second compressor (1.2) through a pipeline;
the first compressor is connected with a first condenser (2.1) arranged in a hot water tank (6) through a pipeline, the second compressor is connected with a second condenser (2.2) in the hot water tank, a water injection pipe (7) is arranged at the lower part of the hot water tank, and a hot water outlet pipe (8) is connected at the upper part of the hot water tank;
a temperature sensor (9) is arranged in the hot water tank and is respectively connected with the first compressor and the second compressor circuit through a temperature controller (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921600426.5U CN210624927U (en) | 2019-09-25 | 2019-09-25 | Hot water tank air source heat pump heating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921600426.5U CN210624927U (en) | 2019-09-25 | 2019-09-25 | Hot water tank air source heat pump heating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210624927U true CN210624927U (en) | 2020-05-26 |
Family
ID=70742942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921600426.5U Expired - Fee Related CN210624927U (en) | 2019-09-25 | 2019-09-25 | Hot water tank air source heat pump heating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210624927U (en) |
-
2019
- 2019-09-25 CN CN201921600426.5U patent/CN210624927U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100538207C (en) | A kind of high temperature heat pump system that has vortex tube | |
| CN101221007A (en) | Air source heat pump hot water units | |
| CN103900310A (en) | Solution desiccant system and method for preventing air source heat pump water heater from frosting | |
| CN204830556U (en) | Solar energy sprays overlapping cooling cycle system | |
| CN205002435U (en) | Utilize solar energy steam -jet ejector formula overlapping cooling cycle system | |
| CN109579339A (en) | A kind of improved single-double stage mixed heat pump system | |
| CN211146956U (en) | Refrigeration system for injection supercooling and air conditioner with refrigeration system | |
| CN103890506B (en) | Air-conditioning and operation method thereof | |
| CN105758045A (en) | Ultralow-temperature overlapped triple generation heat pump unit | |
| CN103900178B (en) | A kind of earth source heat pump central air-conditioning system of energy storage | |
| CN105258333A (en) | Double-heat-pump winding pipe type water heater | |
| CN102829519B (en) | Dehumidifying unit of double cold source all fresh air heat pump provided with cold carrying heat exchanger | |
| CN205332368U (en) | Freely cool off computer lab air conditioning unit | |
| CN210624927U (en) | Hot water tank air source heat pump heating unit | |
| CN204880469U (en) | Heat of condensation recovery type water -cooling formula constant -temperature -and -humidity air conditioning unit of directly expanding | |
| CN208238288U (en) | A kind of tonifying Qi Two-stage Compression high temperature heat pump unit | |
| CN201007541Y (en) | Afterheat recovery type constant temperature and constant moisture machine set | |
| CN102878715A (en) | Throttling liquid feeding refrigerating system with jet pump | |
| CN103344059B (en) | Secondary throttling middle complete cooling variable flow two-stage compression refrigerating system | |
| CN203323229U (en) | Air energy water heater with floor heating function | |
| CN201917067U (en) | Double-condenser heat pump water heater | |
| CN201093735Y (en) | Instantaneous hot wind cool heat pump water heater | |
| CN204555104U (en) | Water-refrigerant heat exchanging air conditioner off-premises station | |
| CN209672626U (en) | A kind of improved single-double stage mixed heat pump system | |
| CN203518091U (en) | Efficient energy-saving water-cooled module set |
Legal Events
| 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: 20200526 Termination date: 20210925 |