CN221233420U - Solar energy hetero-aggregation plate heat pump air conditioning system for bus - Google Patents
Solar energy hetero-aggregation plate heat pump air conditioning system for bus Download PDFInfo
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- CN221233420U CN221233420U CN202323486884.XU CN202323486884U CN221233420U CN 221233420 U CN221233420 U CN 221233420U CN 202323486884 U CN202323486884 U CN 202323486884U CN 221233420 U CN221233420 U CN 221233420U
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- solar energy
- conditioning system
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 33
- 238000004220 aggregation Methods 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 238000010257 thawing Methods 0.000 claims description 13
- 239000003507 refrigerant Substances 0.000 claims description 11
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 claims 2
- 238000009413 insulation Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 19
- 238000005286 illumination Methods 0.000 description 10
- 238000005057 refrigeration Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000000446 fuel Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The solar energy hetero-aggregation plate heat pump air conditioning system for the bus comprises a solar energy hetero-aggregation plate, wherein one end of the solar energy hetero-aggregation plate is connected to an air conditioning main loop through a solar energy plate electronic expansion valve, and the air conditioning main loop comprises an outdoor core, a main loop expansion valve and an indoor core which are connected in series; the indoor core body is connected to the first end of the four-way valve, and the outdoor core body is connected to the second end of the four-way valve; the other end of the solar heteromeric plate is connected to the second end of the four-way valve through an electromagnetic valve; the third end of the four-way valve is connected with a gas-liquid separator, the gas-liquid separator is connected with the low-pressure side of the compressor, and the high-pressure side of the compressor is connected to the fourth end of the four-way valve. The utility model achieves the aim of improving the heating capacity by absorbing solar heat and amplifying the solar heat through the air conditioning system, and the system principle has simple structure and easy realization and is applied to products.
Description
Technical Field
The utility model relates to a solar energy heteromeric plate heat pump air-conditioning system for a bus.
Background
At present, the bus air conditioner industry has few selectable product types for heating in cold areas, the conventional electric air conditioner does not work any more when the environmental temperature is low, the heating in the bus is performed through the PTC or fuel heater, the PTC power consumption is high, the energy efficiency is low, the influence on the whole bus is large, the fuel cost of the fuel heater is high, the carbon emission is high, and the influence on the environment is large.
In conclusion, the vehicle air conditioning system using pure PTC for heat supply in the market has high energy consumption and large influence on whole vehicle endurance.
The existing heating system using the fuel heater in the market has large carbon emission and has negative influence on the environment.
Disclosure of utility model
The utility model aims to solve the technical problems that: the utility model provides a solar heteromeric plate heat pump air conditioning system for a bus and a control method thereof, which solve the problem of insufficient heating capacity in a low-temperature area of the conventional air conditioner and take into account the functions of high-temperature refrigeration, normal-temperature heating, low-temperature heating, defrosting, and the like.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
The solar energy hetero-aggregation plate heat pump air conditioning system for the bus comprises a solar energy hetero-aggregation plate, wherein one end of the solar energy hetero-aggregation plate is connected to an air conditioning main loop through a solar energy plate electronic expansion valve, and the air conditioning main loop comprises an outdoor core, a main loop expansion valve and an indoor core which are connected in series; the indoor core body is connected to the first end of the four-way valve, and the outdoor core body is connected to the second end of the four-way valve; the other end of the solar heteromeric plate is connected to the second end of the four-way valve through an electromagnetic valve;
The third end of the four-way valve is connected with a gas-liquid separator, the gas-liquid separator is connected with the low-pressure side of the compressor, and the high-pressure side of the compressor is connected to the fourth end of the four-way valve.
A sunlight sensor is arranged on the solar heteromeric plate.
The refrigerant outlet side of the outdoor core body is connected with a bidirectional drying filter, and the refrigerant inlet side of the indoor core body is connected with a bidirectional filter.
The solenoid valve is also connected with a PT sensor, and the PT sensor is used for collecting the pressure and the temperature of the refrigerant in the pipeline.
A defrosting temperature sensor is arranged on the outdoor core body.
Compared with the prior art, the utility model has the following beneficial effects: the utility model solves the problem of insufficient heating at low ambient temperature, achieves the aim of improving the heating capacity by absorbing solar heat and amplifying the solar heat through the air conditioning system, and has the advantages of simple structure, easy realization and application to products.
1. The solar energy is utilized by the solar energy heteromeric plate, so that the energy efficiency and the user comfort are improved.
2. The utility model solves the refrigerant storage problem during refrigeration and heating by adding the structure of the electromagnetic valve in the air conditioning system
3. Dividing temperature interval and solar energy illumination intensity and enabling the efficiency to be higher to the accurate control of heat pump system, more energy-conserving, the operation is adjusted more accurately, and the reliability is higher.
4. Defrosting function of the solar heteromeric plate is achieved through the electromagnetic valve and the control of the electronic expansion valve
5. The utility model can realize the functions of high-temperature refrigeration, normal-temperature refrigeration, high-temperature heating, normal-temperature heating, low-temperature heating, defrosting and the like of the air conditioning system.
Drawings
FIG. 1 is a refrigeration cycle diagram of an air conditioning system of the present utility model;
Fig. 2 is a heating cycle diagram of the air conditioning system of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 and 2, the solar energy hetero-aggregation plate heat pump air conditioning system for the bus comprises a solar energy hetero-aggregation plate 1, wherein one end of the solar energy hetero-aggregation plate 1 is connected to an air conditioning main loop through a solar energy plate electronic expansion valve 2, and the air conditioning main loop comprises an outdoor core 8, a main loop expansion valve 10 and an indoor core 4 which are connected in series; wherein the indoor core 4 is connected to a first end of the four-way valve 5, and the outdoor core 8 is connected to a second end of the four-way valve 5; the other end of the solar hetero-poly plate 1 is connected to the second end of the four-way valve 5 through the electromagnetic valve 14, that is, the other end of the solar hetero-poly plate 1 is connected between the outdoor core 8 and the four-way valve 5.
The third end of the four-way valve 5 is connected with a gas-liquid separator 7, the gas-liquid separator 7 is connected with the low pressure side of the compressor 6, and the high pressure side of the compressor 6 is connected with the fourth end of the four-way valve 5.
Further, a solar sensor 11 is provided on the solar hetero-concentrating panel 1.
Further, a bidirectional filter drier 9 is connected to the refrigerant outlet side of the outdoor core 8, and a bidirectional filter 3 is connected to the refrigerant inlet side of the indoor core 4.
The connection point between the solar panel electronic expansion valve 2 and the air conditioner main circuit is between the main circuit expansion valve 10 and the bidirectional filter 3 of the indoor core 4.
Further, the solenoid valve 14 is also connected with a PT sensor 13, and the PT sensor 13 is used for collecting the pressure and the temperature of the refrigerant in the pipeline.
Further, a defrosting temperature sensor 12 is provided on the outdoor core 8.
The working principle of the utility model is as follows:
according to the solar heat energy heat transfer system, solar energy is absorbed by the solar heat transfer system 1 and is transferred to an air conditioning system, heat exchange capacity of the system is increased, the solar heat transfer system is used for controlling the solar heat transfer system to open and close the solar heat transfer system 1 through sensing illumination intensity by the sunlight sensor 11, different temperatures are used for calibrating different illumination intensities through bench tests to control the opening and closing of the solar heat transfer system 1, and the opening degree of the solar heat transfer system electronic expansion valve 2 is controlled through the superheat degree of the outlet of the solar heat transfer system 1.
As shown in fig. 1, in the present utility model, the refrigeration control method of the solar hetero-aggregation plate heat pump air conditioning system for the bus is as follows:
When the air conditioning system is in a refrigeration mode, after being discharged from the compressor 6, the refrigerant enters the second expansion valve 10 through the outdoor core 8 to be throttled, at the moment, the electromagnetic valve 14 is in a closed state, the solar panel electronic expansion valve 2 of the solar heteromeric plate 1 is in an open state, the electromagnetic valve 14 is in a closed state, the main expansion valve 10 is adjusted according to the superheat degree of the main expansion valve, and after being throttled, the refrigerant enters the indoor core 4 to be returned to the gas-liquid separator 7 through heat exchange, and finally returns to the compressor 6.
As shown in fig. 2, in the present utility model, the heating control method of the solar hetero-aggregation plate heat pump air conditioning system for the bus is as follows:
Step 1: when the air conditioning system is in a heating mode, an ambient temperature sensor is used for collecting ambient temperature, the ambient temperature is divided into different areas T a、Tb、Tc and the like, for example, -15 ℃ -20 ℃ is divided into-15 ℃ < T a≤-5℃、-5℃＜Tb≤5℃、5℃＜Tc≤15℃、Td > 15 ℃, each temperature area corresponds to one illumination intensity G a、Gb、Gc and the like, and the corresponding relation between the temperature area and the illumination intensity is established. After the start-up, the electromagnetic valve 14 is initially in an open state, and the solar panel electronic expansion valve 2 of the solar heteromeric plate 1 is in a closed state.
Step 2: after the system runs for T 1, the sunlight sensor 11 detects the current illumination intensity G Measuring and the area where the current ambient temperature is located, and when the current illumination intensity G Measuring is larger than the illumination intensity corresponding to the area where the current illumination intensity G Measuring is located, the electronic expansion valve 2 (for example, G Measuring ≥Ga) of the solar panel is opened to an initial opening;
Step 3: after the initial opening of the solar panel electronic expansion valve 2 is maintained for a certain time, the opening of the main expansion valve 10 is adjusted according to the superheat degree of the path;
Step 4: when the continuous T 2 time detects that G Measuring is smaller than the illumination intensity corresponding to the temperature interval, the solar panel electronic expansion valve 2 (for example G Measuring ＜Ga) is closed.
Further comprising the step 5: when the defrosting temperature sensor 12 detects that the outdoor core body 8 or the solar heteromeric plate 1 has defrosting requirements, the air conditioning system enters a defrosting mode, the four-way valve 5 is reversed, the electromagnetic valve 14 is opened, the main-way expansion valve 10 and the solar panel electronic expansion valve 2 maintain a certain fixed opening degree, and the heating state is restored after defrosting is completed.
In the process, the solar panel electronic expansion valve 2, the main expansion valve 10, the electromagnetic valve 14, the four-way valve 5, the compressor 6, the PT sensor 13, the sunlight sensor 11 and the defrosting temperature sensor 12 are all connected with an air conditioner controller, and the air conditioner controller controls the heating and refrigerating control method.
Therefore, the utility model has the functions of low-temperature heating, refrigeration, defrosting and the like. The air conditioning system can collect solar energy for air conditioning heat through the solar energy heteromeric plate by the control method, intelligent defrosting can be performed, and user comfort is improved.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several changes and modifications can be made without departing from the general inventive concept, and these should also be regarded as the scope of the utility model.
Claims (5)
1. The utility model provides a solar energy hetero-aggregation state board heat pump air conditioning system for bus which characterized in that: the solar energy heat-insulation system comprises a solar energy abnormal state plate (1), wherein one end of the solar energy abnormal state plate (1) is connected to an air conditioner main loop through a solar energy plate electronic expansion valve (2), and the air conditioner main loop comprises an outdoor core body (8), a main loop expansion valve (10) and an indoor core body (4) which are connected in series; the indoor core body (4) is connected to the first end of the four-way valve (5), and the outdoor core body (8) is connected to the second end of the four-way valve (5); the other end of the solar heteromeric plate (1) is connected to the second end of the four-way valve (5) through an electromagnetic valve (14);
The third end of the four-way valve (5) is connected with a gas-liquid separator (7), the gas-liquid separator (7) is connected with the low pressure side of the compressor (6), and the high pressure side of the compressor (6) is connected to the fourth end of the four-way valve (5).
2. The solar heteromeric plate heat pump air conditioning system for buses according to claim 1, wherein: a sunlight sensor (11) is arranged on the solar heteromeric plate (1).
3. The solar heteromeric plate heat pump air conditioning system for buses according to claim 1, wherein: the refrigerant outlet side of the outdoor core body (8) is connected with a bidirectional drying filter (9), and the refrigerant inlet side of the indoor core body (4) is connected with a bidirectional filter (3).
4. The solar heteromeric plate heat pump air conditioning system for buses according to claim 1, wherein: the electromagnetic valve (14) is also connected with a PT sensor (13).
5. The solar heteromeric plate heat pump air conditioning system for buses according to claim 1, wherein: a defrosting temperature sensor (12) is arranged on the outdoor core body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323486884.XU CN221233420U (en) | 2023-12-20 | 2023-12-20 | Solar energy hetero-aggregation plate heat pump air conditioning system for bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323486884.XU CN221233420U (en) | 2023-12-20 | 2023-12-20 | Solar energy hetero-aggregation plate heat pump air conditioning system for bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221233420U true CN221233420U (en) | 2024-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323486884.XU Active CN221233420U (en) | 2023-12-20 | 2023-12-20 | Solar energy hetero-aggregation plate heat pump air conditioning system for bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221233420U (en) |
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2023
- 2023-12-20 CN CN202323486884.XU patent/CN221233420U/en active Active
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