CN202328527U - Electromobile air conditioner using vacuum reducer valve (VRV) system - Google Patents
Electromobile air conditioner using vacuum reducer valve (VRV) system Download PDFInfo
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- CN202328527U CN202328527U CN201120433574XU CN201120433574U CN202328527U CN 202328527 U CN202328527 U CN 202328527U CN 201120433574X U CN201120433574X U CN 201120433574XU CN 201120433574 U CN201120433574 U CN 201120433574U CN 202328527 U CN202328527 U CN 202328527U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model relates to the technical field of vacuum reducer valve (VRV) system electromobile air conditioners, in particular to an electromobile air conditioner using a VRV system, which is applied to pure electric passenger cars, pure electric passenger cars, hybrid cars, hybrid cars and the like and resolves the problems that the pure electric cars are large in energy consumption, passenger cars are small in driving kilometer and service life of storage batteries is short. The electromobile air conditioner comprises an evaporator, an electric appliance control system and a set of electric compressors and is characterized in that the set of the electric compressors comprises a plurality of electric compressors which are in parallel, each electric compressor is provided with a balance, a one-way valve is positioned on an air exhaust pipe of each electric compressor, the other end of the one-way valve is connected with a high temperature high pressure port of a condenser, a low temperature low pressure outlet of the condenser is connected with the evaporator through a throttling valve, and at least one electric compressor in the set of the electric compressors is a frequency-change electric compressor. Power energy consumption of the electric cars is reduced, and power sources of passenger cars are saved.
Description
Technical field
The utility model relates to VRV system air conditioner technical field, and particularly a kind of employing VRV system is used for the electric motor car air-conditioning that pure electronic, hybrid power passenger car, car etc. use.
Background technology
Variable refrigerant volume (Varied Refrigerant Volume; Abbreviation VRV) air-conditioning system is a kind of cryogen formula air-conditioning system; It is pumped (conveying) medium with the cold-producing medium; Outdoor main frame is formed the indoor set that end equipment is made up of direct evaporating heat exchanger and blower fan by outdoor heat exchanger, compressor and other refrigeration annexes.Existing passenger vehicle uses air conditioner to be mostly unit group or multicomputer overhead type coach air conditioner; Adopt self-contained refrigerating system, the coach air conditioner structure comprises the air conditioner housing and is installed in condenser core, evaporator core, compressor, expansion valve and the electrical apparatus control system of self-contained refrigerating system in the air conditioner housing.
Like patent publication No. is the CN101182943A air conditioner of electric motor coach; Its structure comprises the air conditioner housing and is installed in condenser core, evaporator core, compressor, electric power conversion apparatus and the electrical control part in the air conditioner housing; Wherein evaporator core is positioned at the mid portion of air conditioner housing; Condenser is positioned at the front end of air conditioner housing, and compressor, electric power conversion apparatus and electrical control part are positioned at the rear portion of air conditioner housing, and compressor connects condenser; Condenser connects evaporator core, evaporator core connects compressor again and constitutes a circulatory system successively; At the other evaporation fan that is provided with of evaporator core, the other condensation fan that is provided with of condenser, evaporation fan, condensation fan and controller thereof are that low-voltage dc power supply drives; Compressor is that AC power drives, and electric power conversion apparatus and electrical control part thereof are provided with the box-shaped metal shell that shields of sealing.And for example patent publication No. is CN101182942A air conditioner of electric motor coach that improves the electric elements reliability, is provided with the electric cabinet metal shell that shields of sealing at compressor, electric power conversion apparatus and electrical control part; Outside evaporator core and evaporation fan, be provided with an evaporator shell; Between electric cabinet metal shell and evaporator shell, be provided with a cool metal pipeline; One port of cool metal pipeline is located on the expansion core body case; The another port is located on the electric cabinet metal shell, is provided with the gas outlet that Open Side Down at the other end of electric cabinet metal shell.Patent publication No. CN1974259A air conditioner for automobile machine for another example; Comprise air-conditioning body and power supply thereof; Power supply comprise with car in the electric power system reflection type semi-spherical blade, the wind-driven generator that horizontally rotates and the solar panel that independently are provided with; Air stream-wind the generating that produces when being gone by the reflection type semi-spherical blade collection of wind-driven generator during running car provides power supply, gathers generating by solar by solar panel when berthing power supply is provided, the wind-driven generator that the air stream drive reflection fan blade that produces when utilizing running car horizontally rotates; With the solar panel complemental power-generation, for the air conditioner for automobile machine provides power supply.
Summary of the invention
The purpose of the utility model be for solve electric motor car because of the energy of battery cell's weight storage very little; The demand of air-conditioning is organized the increase that the refrigeration system normal operation certainly will cause the passenger vehicle energy consumption more in the car under the underload situation, and passenger vehicle single charge operation milimeter number is few; The problem that the life of storage battery also can reduce; Provide a kind of rational in infrastructure, adopt the electric motor car air-conditioning of VRV system, i.e. the variable refrigerant volume system; Through the cold-producing medium circulation of control compressor and the refrigerant flow of entering heat exchanger, in time satisfy the high efficiency cryogen air-conditioning system of indoor cooling and heating load requirement.
The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals: the electric motor car air-conditioning of a kind of VRV of employing system; Comprise evaporimeter, electrical apparatus control system, one group of motor compressor; It is characterized in that described one group of motor compressor comprises the motor compressor of some parallel connections; Be provided with balance pipe between every motor compressor, the blast pipe of every motor compressor is provided with check valve, and the other end of check valve is connected with the HTHP interface of condenser; The low-temp low-pressure outlet of condenser links to each other with evaporimeter through throttling arrangement, and having a motor compressor in described one group of motor compressor at least is the frequency conversion motor compressor.
Gather the state parameter of indoor comfort parameter, outdoor environment parameter and sign refrigeration system operation conditions; According to running Optimization criterion and human body comfort criterion; Regulate the compressor displacement through means such as frequency conversions; And all controllable component such as fan, electric expansion valve of control air-conditioning system, guarantee the comfortableness of indoor environment, and make the air-conditioning system steady operation in optimum Working.The refrigeration system of VRV system can be by one or more motor compressor work; When carrying out refrigerating operaton; The high temperature and high pressure steam of discharging from one or more compressors gets into condenser through pipeline, and externally under the effect of condenser fan, circulatory mediator in the condenser and outside air carry out forced heat-exchanging; The outdoor air that the heat of the circulatory mediator that flows in the condenser is flow through condenser is taken away; Thereby high temperature and high pressure gas is condensed into the liquid of cryogenic high pressure, and the gas-liquid mixture that the liquid of cryogenic high pressure by the throttling step-down, becomes low-pressure low-temperature through throttling arrangement, contain certain gas ratio is transported in the evaporimeter through drain pipe.Room air is under the effect of evaporator fan; Airborne sensible heat and latent heat in the circulatory mediator absorption chamber in the evaporimeter; Air themperature and the water capacity of the evaporimeter of flowing through are reduced, thereby reach the effect of refrigeration cool-down, the refrigerant vapour of having vaporized is compressed machine suction compression through the outlet of evaporimeter; Become high temperature and high pressure gas, accomplish the circulation of a refrigeration system.Balance pipe generally is to be connected between check valve and the motor compressor blast pipe, also can be connected on the outlet of adjacent check valve; Carry out the connection of motor compressor lubricating system by balance pipe; The blast pipe of one group of motor compressor is installed check valve, and the motor compressor that prevents to close down is started the damage that high pressure reflow that motor compressor forms causes closing down motor compressor.
When the electric motor car air conditioner load is low, open the frequency conversion motor compressor; Prescribe a time limit when load reaches on the frequency conversion motor compressor, open the constant speed motor compressor, close down the frequency conversion motor compressor; When the electric motor car air conditioner load continued to increase, constant speed motor compressor and frequency conversion motor compressor were worked simultaneously.
Motor compressor adopt more than two and two and one of them during for the frequency conversion motor compressor, the cold of the maximum cold of frequency conversion motor compressor and the common low speed motor compressor that is adopted is quite or smaller.At least adopting a motor compressor is the frequency conversion motor compressor, can regulate the capacity of compressor automatically.
As preferably, link to each other with evaporimeter after described one group of motor compressor parallel connection.Under the situation of space permission, motor compressor and evaporimeter can be supporting in many ways, and to reach best heat exchange effect, condenser and evaporimeter are one or several.
As preferably, described condenser and evaporimeter are one or several, and several condensers are connected in series, and several evaporimeters are connected in parallel.Be configured according to actual needs.
As preferably, described condenser is furnished with condenser fan, and evaporimeter is furnished with evaporator fan, and condenser fan, evaporator fan are connected with electrical apparatus control system.Electrical apparatus control system connects motor compressor simultaneously, and the work of control condenser and throttling arrangement.
As preferably, described throttling arrangement is heating power expansion valve or electric expansion valve.Heating power expansion valve is realized the throttling of condensing pressure to evaporating pressure, controls the flow of cold-producing medium simultaneously; Guaranteed when running environment changes through expansion valve, changed, realized the optimum and best feed liquid way of evaporimeter like thermic load; Electric expansion valve is to regulate the evaporimeter liquid supply rate according to pre-set programs; Regulate pattern because of belonging to electronic type, electric expansion valve is identical with the basic purposes of thermal expansion valve, and is varied on the structure; But on performance, the difference that both existence are bigger.
As preferably, described condenser fan is made up of one or several electric motor fans.Set the quantity of electric motor fan in the practical application by power, working environment, the quantity of condenser.
As preferably, the power resources of described motor compressor are the power supply system of electric motor car.The present invention is mainly in the vehicles such as pure electronic, hybrid power passenger car, car and uses, and then adopts electric motor car electric power as power source.
The beneficial effect of the utility model is: the electric motor car air-conditioning only needs to open the frequency conversion motor compressor under the situation of underload, reduce the consumption of electric motor car power source, saves the passenger vehicle electric power source, and passenger vehicle single charge operation milimeter number is long, increases the life of storage battery.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model.
Among the figure: 1. first motor compressor, 2. balance pipe, 3. check valve, 4. electrical apparatus control system, 5. throttling arrangement, 6. condenser, 7. condenser fan, 8. evaporator fan, 9. evaporimeter, 10. second motor compressor.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Referring to Fig. 1, a kind of electric motor car air-conditioning that adopts the VRV system of present embodiment is established an evaporimeter 9, and 4, one groups of motor compressors of evaporimeter 9 outer installings two evaporator fans, 8, one cover electrical apparatus control systems comprise first motor compressor 1 and second motor compressor 10.
The high temperature and high pressure steam of discharging from first motor compressor 1 and second motor compressor 10 gets into condensation 6 devices through pipeline, and check valve 3 prevents that first motor compressor 1 and second motor compressor 10 from closing down the damage that high pressure reflow under the situation causes closing down motor compressor.Be connected with balance pipe 2 between first motor compressor 1 and second motor compressor 10 and carry out the connection of motor compressor lubricating system.The top of condenser 6 is equipped with condenser fan 7, and condenser fan 7 is made up of electric motor fan.
Circulatory mediator under the effect of extraneous condenser fan 7 in the condenser 6 and outside air carry out forced heat-exchanging; The outdoor air that the heat of the cold-producing medium that flows in the condenser 6 is flow through condenser 6 is taken away; Thereby high temperature and high pressure gas is condensed into the liquid of cryogenic high pressure; The gas-liquid mixture that the liquid of cryogenic high pressure by the throttling step-down, becomes low-pressure low-temperature through throttling arrangement 5, contain certain gas ratio is transported in the evaporimeter 9 through drain pipe.
Room air is under the effect of evaporator fan 8; Airborne sensible heat and latent heat in the circulatory mediator absorption chamber in the evaporimeter 9; Thereby air themperature and the water capacity of the evaporimeter 9 of flowing through are reduced, thereby reach the effect of refrigeration cool-down, the outlet of the refrigerant vapour of having vaporized through evaporimeter 9 is by one group of motor compressor suction compression; Become high temperature and high pressure gas, accomplish the circulation of a refrigeration system.
Through the electrical apparatus control system 4 of electric motor car air-conditioning, can open the frequency conversion motor compressor when electric motor car air conditioner load is low, i.e. first motor compressor 1; Prescribe a time limit when load reaches on the frequency conversion motor compressor, open the constant speed motor compressor, promptly open second motor compressor 10; And close down the frequency conversion motor compressor; When load continued to increase, constant speed motor compressor and frequency conversion motor compressor were worked simultaneously, and promptly first motor compressor 1 and second motor compressor 10 are worked simultaneously.
The foregoing description is the explanation to the utility model, is not the qualification to the utility model, any protection domain that structure after the simple transformation of the utility model is all belonged to the utility model.
Claims (7)
1. electric motor car air-conditioning that adopts the VRV system; Comprise evaporimeter (9), electrical apparatus control system (4), one group of motor compressor; It is characterized in that described one group of motor compressor comprises the motor compressor of some parallel connections; Be provided with balance pipe (2) between every motor compressor, the blast pipe of every motor compressor is provided with check valve (3), and the other end of check valve (3) is connected with the HTHP interface of condenser (6); The low-temp low-pressure outlet of condenser (6) links to each other with evaporimeter (9) through throttling arrangement (5), and having a motor compressor in described one group of motor compressor at least is the frequency conversion motor compressor.
2. a kind of electric motor car air-conditioning that adopts the VRV system according to claim 1 is characterized in that linking to each other with evaporimeter (9) after described one group of motor compressor parallel connection.
3. a kind of electric motor car air-conditioning that adopts the VRV system according to claim 1 and 2 is characterized in that described condenser (6) and evaporimeter (9) are one or several, and several condensers (6) are connected in series, and several evaporimeters (9) are connected in parallel.
4. a kind of electric motor car air-conditioning that adopts the VRV system according to claim 3; It is characterized in that described condenser (6) is furnished with condenser fan (7); Evaporimeter (9) is furnished with evaporator fan (8), and condenser fan (7), evaporator fan (8) are connected with electrical apparatus control system (4).
5. a kind of electric motor car air-conditioning that adopts the VRV system according to claim 1 is characterized in that described throttling arrangement (5) is heating power expansion valve or electric expansion valve.
6. a kind of electric motor car air-conditioning that adopts the VRV system according to claim 4 is characterized in that described condenser fan (7) is made up of one or several electric motor fans.
7. a kind of electric motor car air-conditioning that adopts the VRV system according to claim 1 and 2, the power resources that it is characterized in that described motor compressor are the power supply system of electric motor car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120433574XU CN202328527U (en) | 2011-11-03 | 2011-11-03 | Electromobile air conditioner using vacuum reducer valve (VRV) system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120433574XU CN202328527U (en) | 2011-11-03 | 2011-11-03 | Electromobile air conditioner using vacuum reducer valve (VRV) system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202328527U true CN202328527U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120433574XU Expired - Fee Related CN202328527U (en) | 2011-11-03 | 2011-11-03 | Electromobile air conditioner using vacuum reducer valve (VRV) system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202328527U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9889841B2 (en) | 2013-12-16 | 2018-02-13 | Byd Company Limited | Method and system for starting engine of hybrid vehicle |
| US10059172B2 (en) | 2013-12-16 | 2018-08-28 | Byd Company Limited | Air conditioning system, method for controlling the same and hybrid vehicle |
-
2011
- 2011-11-03 CN CN201120433574XU patent/CN202328527U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9889841B2 (en) | 2013-12-16 | 2018-02-13 | Byd Company Limited | Method and system for starting engine of hybrid vehicle |
| US10059172B2 (en) | 2013-12-16 | 2018-08-28 | Byd Company Limited | Air conditioning system, method for controlling the same and hybrid vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20121103 |