CN107891727B - Building block combined new energy electric bus air conditioning unit - Google Patents
Building block combined new energy electric bus air conditioning unit Download PDFInfo
- Publication number
- CN107891727B CN107891727B CN201710986181.3A CN201710986181A CN107891727B CN 107891727 B CN107891727 B CN 107891727B CN 201710986181 A CN201710986181 A CN 201710986181A CN 107891727 B CN107891727 B CN 107891727B
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- bin
- evaporator
- compressor
- shell
- electric
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- 238000004378 air conditioning Methods 0.000 title claims description 13
- 238000003825 pressing Methods 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000013016 damping Methods 0.000 abstract description 2
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00514—Details of air conditioning housings
- B60H1/00521—Mounting or fastening of components in housings, e.g. heat exchangers, fans, electronic regulators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00514—Details of air conditioning housings
- B60H1/00528—Connections between housing parts
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention belongs to the technical field of automobile air conditioners, and particularly relates to a building block combined new energy electric bus air conditioner unit, wherein a top end bin and a main body bin are arranged in a shell, the top end bin is positioned at one end in the shell, and a condenser is positioned in the top end bin; the main body bin comprises an electric bin, a compressor bin and two evaporator bins; the electric bin, the compressor bin and the middle part positioned in the main body bin, and the two evaporator bins are respectively positioned at two sides in the main body bin; a connecting block is arranged at the outer side of the evaporator bin; the L-shaped connecting blocks are respectively arranged on the two sides of the compressor bin and the inner side of the evaporator bin, the lower end of the suspender is connected with the supporting plate, the two ends of the supporting plate are respectively fixedly connected with the L-shaped connecting blocks of the compressor bin and the evaporator bin, the upper end of the suspender is hinged on the top plate, and the top plate is positioned on the outer side of the shell. The invention has simple and compact structure, reduced weight and reduced power consumption. The bin bodies are assembled and provided with fixing and damping devices respectively and independently, and the modular large-scale production is facilitated.
Description
Technical Field
The invention belongs to the technical field of automobile air conditioners, and particularly relates to a building block combined new energy electric bus air conditioning unit.
Background
The current new energy passenger car is mainly composed of electric passenger cars, an electric air conditioner is an indispensable important system of the electric passenger car, and when air conditioning equipment is put into operation, the energy consumption of the electric passenger car is about 1/5-1/3 of the energy consumption of the whole car (depending on the heat load characteristic of the car and the level of the air conditioning system), and the electric passenger car is a second largest energy consumption part except a driving system. In order to realize industrialization of the electric motor coach, solve three problems of short driving range, short battery life and high manufacturing cost existing in the electric motor coach, the characteristics of the air conditioner of the electric motor coach must be carefully studied, so that the air conditioner industry of the electric motor coach is developed.
The comprehensive popularization of the electric motor coach is developed in recent years, the technical level of the air conditioner of the electric motor coach in the international and domestic markets is relatively low at present, and the air conditioner of a train (subway) is generally transplanted and improved, but because the electric motor coach and the train have great difference in the use condition, the electric motor coach has: the whole vehicle has the characteristics of light axle weight, obvious weight reduction requirement of the whole vehicle, limited vehicle space layout, limited energy by a storage battery or a super capacitor, high energy efficiency requirement on equipment, high noise requirement when the vehicle operates in urban areas, and the like. Therefore, the train air conditioner is difficult to be well adapted to the air conditioner of the new energy bus, and cannot meet the rapid requirements of the air conditioner of the electric bus in the current market.
The structure of the typical electric bus air conditioner (sold by the company including the company) which is also mainstream in the market at present is as shown in the above diagram, basically, the electric bus air conditioner is in an arrangement design structure form of a train air conditioner, the unit adopts an integral unit structure, all the compressors, evaporators, condensers, electric control elements and the like are arranged in a centralized and overhead mode, the steam air coolers all adopt AC220V alternating current fans, and the compressors are AC220V horizontal electric compressors.
The air conditioner provides DC 300-830V high voltage direct current by the whole vehicle, and outputs AC220V/50HZ current by inversion through an air conditioner frequency converter, and the AC220V/50HZ current is respectively supplied to a compressor and a fan for working.
The structure has the advantages that all components of the air conditioner are intensively arranged in a top mode, no external pipeline is arranged, the internal pipeline is connected in a leakage-point-free welding mode, the compressor is in a fully-closed mode, the refrigerant leaks zero, the ozone layer is not damaged, the greenhouse effect is low, the heat pump design is convenient to use, and the air conditioner has a refrigerating mode and a heating mode.
But this product structure also has two major fatal disadvantages:
(1) The product is large in size and heavy: the electric compressor and the alternating current fan are heavy, taking a common 10-12 meter electric air conditioner as an example, the electric compressor weighs 44Kg and the alternating current steam cooler weighs 62Kg, the product base shell needs to adopt a steel skeleton structure in consideration of bearing limitation, integral U-shaped long groove steel (4 meters long two) is pre-buried in two sides of the air conditioner base, corresponding parts of the base shell need to be thickened, and embedded parts are added, so that the whole machine weight of the air conditioner reaches about 400KG (the air conditioner top machine of a common passenger car at the same level generally weighs about 250 KG), the machine set is heavy, the transportation and the installation are inconvenient, and more electric energy of the vehicle needs to be consumed, so that the continuous mileage of the whole car is reduced.
(2) The product performance is relatively poor, the energy efficiency ratio is low, the noise is relatively large, and the power consumption is high:
the electric motor coach air conditioner is transplanted from a train air conditioner at present, but the use conditions of the train and the coach are very different, for example, the urban electric motor coach has the characteristics of light whole axle weight, obvious whole coach weight reduction requirement, limited vehicle space layout, power supply of a storage battery or a super capacitor, limited energy, high energy efficiency requirement on equipment, high noise requirement when the vehicle operates in urban areas, frequent door opening and closing caused by continuous boarding and disembarking, large environment change outside the boarding and the coach, and frequent temperature change in the coach, so that the air conditioner is frequently started and stopped, and the energy consumption is increased.
In addition, because the loss is generated in the process of inverting the high-voltage direct current into the alternating current, the energy efficiency ratio of the air conditioner is low, and is about 2.2 generally.
Meanwhile, because the fan blades of the alternating current fan are larger, the air flow noise is higher during operation, and the air conditioner noise is larger.
In summary, the existing air conditioner of the electric motor coach is difficult to be adapted to the electric motor coach, and an improved or optimized product is urgently needed.
Disclosure of Invention
Aiming at the technical problems, the invention provides a building block combined new energy electric bus air conditioning unit.
The specific technical scheme is as follows:
the building block combined new energy electric bus air conditioning unit comprises a shell, two evaporators, a compressor, a condenser and an electric control module; the shell is rectangular; the shell is divided into a top end bin and a main body bin, the top end bin is positioned at one end in the shell, and the condenser is positioned in the top end bin;
the main body bin comprises an electric bin, a compressor bin and two evaporator bins; the electric bin, the compressor bin and the middle part positioned in the main body bin, and the two evaporator bins are respectively positioned at two sides in the main body bin; the compressor and the electric control module are respectively arranged in the compressor bin and the electric bin, and the two evaporators are respectively arranged in the two evaporator bins;
the connecting block is arranged on the outer side of the evaporator bin and is arranged on the side edge of the shell through bolts; the two sides of the compressor bin and the inner sides of the evaporator bin are respectively provided with L-shaped connecting blocks, the two sides of the compressor bin and the inner sides of the two evaporator bins are adjacent, and the evaporator bin further comprises a suspender, wherein the suspender is positioned between the compressor bin and the evaporator bin; the lower end of the suspender is connected with the supporting plate, two ends of the supporting plate are fixedly connected with the L-shaped connecting blocks of the compressor bin 3 and the evaporator bin respectively, the upper end of the suspender is hinged on the top plate, and the top plate is positioned outside the shell.
The shell on be equipped with the recess, the recess be cross section arc groove, the roof both ends are the arcwall face to with the inslot wall phase-match of recess, the roof can slide along the inslot wall in the recess inslot.
The outside of the compressor bin and the evaporator bin is also provided with reinforcing ribs, and the two end parts of the reinforcing ribs are respectively positioned above the L-shaped connecting blocks.
The hanger rod is also provided with a pressing plate, a through hole is arranged in the middle of the pressing plate, and the pressing plate is sleeved on the hanger rod and can slide along the hanger rod; the pressing plate is positioned above the end part of the reinforcing rib; the outer side wall of the groove is also provided with a sliding plate, the sliding plate is movably sleeved on the suspender, a spring is arranged between the pressing plate and the sliding plate, and the spring is sleeved on the suspender.
A second spring is arranged between the connecting block of the evaporator bin and the side edge of the shell, and the second spring is sleeved on the bolt.
The building block combined type new energy electric bus air conditioning unit provided by the invention has the advantages that the structure is simple and compact, the external dimension is shorter than that of the existing air conditioning unit, the two sides of the evaporator are distributed to be in an H-shaped parallel design, the whole length of the air conditioner is reduced, the weight is also reduced, the power consumption is reduced, and the air conditioning unit is more energy-saving and is suitable for electric buses. And divide into five major components and organize the piece, after the independent storehouse body equipment of using respectively is accomplished, the assembly shaping again, storehouse body equipment is equipped with fixed and damping device, helps modularization scale production, adopts building block formula installation very convenient.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view of the housing of the present invention;
FIG. 3 is a schematic view of the bottom construction of the present invention;
fig. 4 is a schematic view of a partially enlarged cross-sectional structure of the present invention.
Detailed Description
The specific technical scheme of the invention is described by combining the embodiment:
as shown in fig. 1, 2 and 3, the building block combined new energy electric bus air conditioning unit comprises a shell 1, two evaporators 100, a compressor 200, a condenser 400 and an electric control module 300;
the shell 1 is rectangular; the shell 1 is divided into a top end bin 20 and a main body bin, the top end bin 20 is positioned at one end in the shell 1, and the condenser 400 is positioned in the top end bin 20; the top end bin 20 is also provided with a ventilation opening and a heat radiation opening.
The main body bin comprises an electric bin 21, a compressor bin 3 and two evaporator bins 2; the electric bin 21, the compressor bin 3 and the middle part positioned in the main body bin, and the two evaporator bins 2 are respectively positioned at two sides in the main body bin; the compressor 200 and the electric control module 300 are respectively arranged in the compressor bin 3 and the electric bin 21, and the two evaporators 100 are respectively arranged in the two evaporator bins 2;
the outer side of the evaporator bin 2 is provided with a connecting block, and the connecting block is arranged on the side edge of the shell 1 through a bolt 7; the two sides of the compressor bin 3 and the inner sides of the evaporator bin 2 are respectively provided with an L-shaped connecting block 8, the two sides of the compressor bin 3 and the inner sides of the two evaporator bins 2 are adjacent, the evaporator bin further comprises a suspender 5, and the suspender 5 is positioned between the compressor bin 3 and the evaporator bin 2; the lower end of the suspender 5 is connected with the supporting plate 6, two ends of the supporting plate 6 are respectively fixedly connected with L-shaped connecting blocks 8 of the compressor bin 3 and the evaporator bin 2, the upper end of the suspender 5 is hinged on a top plate 12, and the top plate 12 is positioned outside the shell 1.
The design of the boom 5 is mainly intended to better secure the compressor compartment 3 and the evaporator compartment 2 within the housing 1. Meanwhile, the upper end of the suspender 5 is hinged on the top plate 12, and when the automobile runs, the compressor bin 3 and the evaporator bin 2 can slightly swing, and a certain buffering effect can be achieved through the swing connection of the suspender 5.
The shell 1 on be equipped with recess 4, recess 4 be the curved groove of cross section, roof 12 both ends are the arcwall face to with the groove inside wall phase-match of recess 4, roof 12 can slide along the groove inside wall in the recess 4 inslot. During the swinging of the boom 5, the top plate 12 can also slide in the groove 4 to adapt to the swinging of the boom 5, and meanwhile, the buffering effect is enhanced.
As shown in fig. 4, reinforcing ribs 9 are further arranged outside the compressor bin 3 and the evaporator bin 2, and two side ends of the reinforcing ribs 9 are respectively located above the L-shaped connecting blocks 8.
The hanger rod 5 is also provided with a pressing plate 10, a through hole is formed in the middle of the pressing plate 10, and the pressing plate 10 is sleeved on the hanger rod 5 and can slide along the hanger rod 5; the pressing plate 10 is positioned above the end part of the reinforcing rib 9; the outer side wall of the groove 4 is also provided with a sliding plate 11, the sliding plate 11 is movably sleeved on the hanging rod 5, a spring 13 is arranged between the pressing plate 10 and the sliding plate 11, and the spring 13 is sleeved on the hanging rod 5.
The slide 11 is mainly in order to better fix spring 13, and when jib 5 swings, slide 11 slides on the lateral wall of recess 4 evagination, reduces frictional force, adaptation jib 5 swings, and need not spring 13 direct contact recess 4 lateral wall, if spring 13 direct contact recess 4 lateral wall, during jib 5 swings, spring 13 tip can have great frictional force with recess 4 lateral wall to spring 13 self also can take place to warp etc. to influence spring 13 life.
The strengthening rib 9 plays to strengthen compressor storehouse 3 and evaporator storehouse 2 intensity to the tip is established under clamp plate 10, can be better with shell 1, compressor storehouse 3 and evaporator storehouse 2 three each other fixed, spring 13 sets up can play the cushioning effect, prevents the influence of vibrations to overall structure in the car operation process.
The pressing plate 10 and the end part of the reinforcing rib 9 can be in sliding connection or fixed connection.
A second spring is arranged between the connecting block of the evaporator bin 2 and the side edge of the shell 1, and the second spring is sleeved on the bolt 7.
Specifically, the building block combined new energy electric bus air conditioner is divided into five parts:
a condenser section, a left evaporator section, a right evaporator section, an electrical cabinet, a compressor cabinet; specific:
the condenser section includes condenser 400 and its fittings and top bin 20;
left and right evaporator sections, each including an evaporator bin and evaporator 100 and its fittings;
the electrical box comprises an electrical control module 300 and its accessories, an electrical cabinet 21;
the compressor case comprises a compressor 200 and accessories thereof, and a compressor bin 3;
after the five parts are assembled respectively, the assembly is formed, the modular large-scale production is facilitated, and the building block type installation is very convenient.
Wherein the condenser 400 is windward, and the heat dissipation effect is better.
The electric box and the compressor box are vertically arranged in the middle of the air conditioner, and the middle of the conventional air conditioner is generally provided with an air return port, so that the parts of the original electric box compressor box of the conventional electric air conditioner are reduced, the weight of the air conditioner is reduced, and the length of the air conditioner is shortened.
The left and right evaporators 100 and the electric box are independent, and are excellent in sealing performance, and a common water leakage problem does not exist.
The shell 1 is designed to be integrated directly, and the problem of sealing the evaporator does not exist at the left side and the right side, so that the risk of water leakage is reduced.
The fans in the accessories are low-voltage direct current 24V, and the compressor is a variable-frequency compressor.
Claims (2)
1. The building block combined new energy electric bus air conditioning unit comprises a shell (1), a compressor (200), a condenser (400) and an electric control module (300); the evaporator is characterized by further comprising two evaporators (100), wherein the shell (1) is rectangular; the shell (1) is divided into a top end bin (20) and a main body bin, the top end bin (20) is positioned at one end in the shell (1), and the condenser (400) is positioned in the top end bin (20);
the main body bin comprises an electric bin (21), a compressor bin (3) and two evaporator bins (2); the electric bin (21), the compressor bin (3) and the middle part positioned in the main body bin, and the two evaporator bins (2) are respectively positioned at two sides in the main body bin; the compressor (200) and the electric control module (300) are respectively arranged in the compressor bin (3) and the electric bin (21), and the two evaporators (100) are respectively arranged in the two evaporator bins (2);
the connecting block is arranged on the outer side of the evaporator bin (2), and is arranged on the side edge of the shell (1) through a bolt (7); the two sides of the compressor bin (3) and the inner sides of the evaporator bins (2) are respectively provided with L-shaped connecting blocks (8), and the two sides of the compressor bin (3) and the inner sides of the two evaporator bins (2) on the two sides are adjacent;
the evaporator also comprises a suspender (5), and the suspender (5) is positioned between the compressor bin (3) and the evaporator bin (2); the lower end of the suspender (5) is connected with a supporting plate (6), two ends of the supporting plate (6) are fixedly connected with L-shaped connecting blocks (8) of the compressor bin (3) and the evaporator bin (2) respectively, the upper end of the suspender (5) is hinged on a top plate (12), and the top plate (12) is positioned outside the shell (1);
the shell (1) is provided with a groove (4), the groove (4) is a groove with an arc-shaped cross section, two ends of the top plate (12) are arc-shaped surfaces and are matched with the inner side wall of the groove (4), and the top plate (12) slides in the groove (4) along the inner side wall of the groove;
reinforcing ribs (9) are further arranged outside the compressor bin (3) and the evaporator bin (2), and two side ends of the reinforcing ribs (9) are respectively located above the L-shaped connecting blocks (8);
a pressing plate (10) is further arranged on the hanging rod (5), a through hole is formed in the middle of the pressing plate (10), and the pressing plate (10) is movably sleeved on the hanging rod (5) and slides along the hanging rod (5); the pressing plate (10) is positioned above the end part of the reinforcing rib (9); the outer side wall of the groove (4) is also provided with a sliding plate (11), the sliding plate (11) is movably sleeved on the suspender (5), a spring (13) is arranged between the pressing plate (10) and the sliding plate (11), and the spring (13) is sleeved on the suspender (5).
2. The building block combined new energy electric bus air conditioning unit according to claim 1 is characterized in that a second spring is arranged between the connecting block of the evaporator bin (2) and the side edge of the shell (1), and the second spring is sleeved on the bolt (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710986181.3A CN107891727B (en) | 2017-10-20 | 2017-10-20 | Building block combined new energy electric bus air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710986181.3A CN107891727B (en) | 2017-10-20 | 2017-10-20 | Building block combined new energy electric bus air conditioning unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107891727A CN107891727A (en) | 2018-04-10 |
| CN107891727B true CN107891727B (en) | 2024-01-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710986181.3A Active CN107891727B (en) | 2017-10-20 | 2017-10-20 | Building block combined new energy electric bus air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107891727B (en) |
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