CN212637081U - Modularized passenger car secondary heat exchange air conditioning system - Google Patents
Modularized passenger car secondary heat exchange air conditioning system Download PDFInfo
- Publication number
- CN212637081U CN212637081U CN202020817688.3U CN202020817688U CN212637081U CN 212637081 U CN212637081 U CN 212637081U CN 202020817688 U CN202020817688 U CN 202020817688U CN 212637081 U CN212637081 U CN 212637081U
- Authority
- CN
- China
- Prior art keywords
- air conditioning
- heat exchanger
- unit module
- module
- conditioning unit
- 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.)
- Active
Links
Images
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model discloses a modularized passenger car secondary heat exchange air conditioning system, which comprises an air conditioning unit module; an in-vehicle air conditioning module; a pressure sensor and a gas concentration sensor arranged in the air conditioning unit module; a control system for controlling the air conditioning unit module, the in-vehicle air conditioning module, the pressure sensor and the gas concentration sensor; the control system controls the refrigerant to circulate in the air conditioning unit module and the air conditioning module in the vehicle so as to realize the heating or cooling function. The utility model discloses a set up air conditioning system as the modularization system, air conditioning unit module forms first configuration with roof heat exchanger, first fan; the air conditioning unit module, the floor heat exchanger and the second fan form a second configuration; the air conditioning unit module, the roof heat exchanger, the first fan, the floor heat exchanger and the second fan form a third configuration, the air conditioning unit module can be replaced by other heat source or cold source modules, and the outdoor heat exchange module can be configured or not, so that the configuration of the whole system is flexible.
Description
Technical Field
The utility model belongs to the technical field of the passenger train technique and specifically relates to a modularization passenger train secondary heat transfer air conditioning system is related to.
Background
The traditional fuel oil vehicle adopts a compression refrigeration technology to provide a cold air conditioner for the passenger cabin, and utilizes the waste heat of an engine to provide the hot air conditioner for the passenger cabin in winter. Along with the improvement of fuel economy, the engine waste heat is less and less, can't fully satisfy the demand of heating in winter. The pure electric vehicle has no waste heat of an engine, and a new heat source is needed for heating in winter.
At present, the common solutions are to use PTC (positive temperature coefficient resistance) electrical heating or to use heat pump air conditioning systems. At present, most automobile air conditioners adopt R134a refrigerant, and a heat pump system adopting the refrigerant has low efficiency when the ambient temperature is lower than-10 ℃, so that the heating requirement cannot be met. In a passenger car air conditioner, heating in a low-temperature environment can be achieved by using R407C or R410a refrigerant. However, neither R134a, R407c, nor R410a is an environmentally friendly refrigerant.
Meanwhile, when the automobile system runs for a long time, the refrigerant can be leaked due to aging of the pipeline or excessive pressure in the pipeline, so that the performance of the automobile air conditioning system is reduced.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model discloses technical scheme provides a modularization passenger train secondary heat transfer air conditioning system, wherein, include:
an air conditioning unit module;
the air conditioning module in the vehicle is connected with the air conditioning unit module;
the pressure sensor is arranged in the air conditioning unit module and used for detecting system pressure;
a gas concentration sensor provided in the air conditioning unit module and detecting a concentration of refrigerant gas;
a control system for controlling the air conditioning unit module, the in-vehicle air conditioning module, the pressure sensor, and the gas concentration sensor;
the control system controls the refrigerant to circulate in the air conditioning unit module and the in-vehicle air conditioning module to realize the heating or cooling function.
Optionally, the air conditioning unit module comprises:
a compressor and a four-way valve;
the outlet and the inlet of the compressor are respectively connected to the first interface and the third interface of the four-way valve;
the first air conditioner heat exchanger is connected to a second interface of the four-way valve;
a throttle valve connected with the first air conditioner heat exchanger and
and the second air conditioner heat exchanger is communicated with the throttling valve and is connected to a fourth interface of the four-way valve.
Optionally, the in-vehicle air conditioning module includes:
the heat exchanger on the roof and a first fan matched with the heat exchanger;
the floor heat exchanger and a second fan matched with the floor heat exchanger;
the roof heat exchanger and the floor heat exchanger are respectively connected to two ends of the second air conditioner heat exchanger through pipelines;
and a pair of first working medium pump and a pair of second working medium pump which are opposite in direction are arranged between the roof heat exchanger and the floor heat exchanger in parallel.
Optionally, the air conditioning unit module forms a first configuration with the roof heat exchanger and the first fan;
the air conditioning unit module, the floor heat exchanger and the second fan form a second configuration;
the air conditioning unit module forms a third configuration with the roof heat exchanger, the first fan, the floor heat exchanger, and the second fan.
Optionally, the first air conditioner heat exchanger is provided with a third fan.
Optionally, the outdoor heat exchange module is connected with the air conditioning unit module, so that the refrigerant flowing into the outdoor heat exchange module through the air conditioning unit module is subjected to heat exchange with ambient air and is returned to the air conditioning unit module.
Optionally, the outdoor heat exchange module includes:
the inlet and the outlet of the outdoor heat exchanger are connected to two ends of the first indoor heat exchanger through pipelines;
and a third working medium pump is arranged between the outdoor heat exchanger and the first air-conditioning heat exchanger.
Optionally, the refrigerant is R744 or R290.
The utility model discloses technical scheme's beneficial effect is:
the utility model discloses a set up air conditioning system as the modularization system, air conditioning unit module forms first configuration with roof heat exchanger, first fan; the air conditioning unit module, the floor heat exchanger and the second fan form a second configuration; the air conditioning unit module, the roof heat exchanger, the first fan, the floor heat exchanger and the second fan form a third configuration, the air conditioning unit module can be replaced by other heat source or cold source modules, and the outdoor heat exchange module can be configured or not, so that the configuration of the whole system is flexible.
The utility model discloses an air conditioning system sets up to the main mode of refrigerating of roof heat exchanger, the main mode of heating of floor heat exchanger, has satisfied passenger cabin cold wind from last down flow, hot-blast demand that up flows from bottom to top, and simultaneously, roof air conditioning module and floor air conditioning module simultaneous working through the amount of wind (wind speed) of adjusting heat transfer module, can accelerate air cycle in the car, found the car in the temperature field, improve passenger's travelling comfort.
The utility model discloses an air conditioning system is through setting up pressure sensor and gas concentration sensor, real time monitoring air conditioning system's pressure and gas concentration, in case exceed the setting value, the system will take protective measures, has guaranteed air conditioning system overall safety and stability.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioning system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an air conditioning system with an outdoor heat exchange module removed in the embodiment of the present invention;
fig. 3 is a schematic diagram of a refrigeration cycle route of an air conditioning system according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a heating cycle route of an air conditioning system according to an embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
Referring to fig. 1 and 2, a modular passenger car secondary heat exchange air conditioning system according to an embodiment is shown, wherein the modular passenger car secondary heat exchange air conditioning system comprises an air conditioning unit module 100; an in-vehicle air conditioning module 200 connected to the air conditioning unit module 100; a pressure sensor 15 provided in the air conditioning unit module 100 for detecting a system pressure; a gas concentration sensor 16 provided in the air conditioning unit module 100 for detecting the concentration of refrigerant gas; a control system for controlling the air conditioning unit module 100, the in-vehicle air conditioning module 200, the pressure sensor 15, and the gas concentration sensor 16; the control system controls the refrigerant to circulate through the air conditioning unit module 100 and the in-vehicle air conditioning module 200 to realize a heating or cooling function.
Alternatively, the air conditioning unit module 100 includes a compressor 1 and a four-way valve 2; the outlet and the inlet of the compressor 1 are respectively connected to a first interface A and a third interface B of the four-way valve 2; a first air conditioner heat exchanger 3 connected to a second port C of the four-way valve 2; the throttle valve 5 is connected with the first air-conditioning heat exchanger 3, the second air-conditioning heat exchanger 4 is communicated with the throttle valve 5, and the second air-conditioning heat exchanger 4 is connected to a fourth interface D of the four-way valve 2.
Optionally, the in-vehicle air conditioning module 200 includes a roof heat exchanger 6 and a first fan 8 matched with the roof heat exchanger; the floor heat exchanger 7 and a second fan 9 matched with the floor heat exchanger; the roof heat exchanger 6 and the floor heat exchanger 7 are respectively connected to two ends of the second air-conditioning heat exchanger 4 through pipelines 400; a pair of first working medium pump 10 and a pair of second working medium pump 11 which are opposite in direction are arranged in parallel between the roof heat exchanger 6 and the floor heat exchanger 7.
Optionally, the air conditioning unit module 100 forms a first configuration with the roof heat exchanger 6, the first fan 8; the air conditioning unit module 100 forms a second configuration with the floor heat exchanger 7 and the second fan 9; the air conditioning unit module 200 forms a third configuration with the roof heat exchanger 6, the first fan 8, the floor heat exchanger 7, and the second fan 9.
Optionally, the first air conditioner heat exchanger 3 is provided with a third fan 14.
Optionally, an outdoor heat exchange module 300 connected to the air conditioning unit module 100 is further included to exchange heat between the refrigerant flowing into the outdoor heat exchange module 300 through the air conditioning unit module 100 and the ambient air and to return the refrigerant to the air conditioning unit module 100.
Optionally, the outdoor heat exchange module 300 includes an outdoor heat exchanger 12 and a fourth fan 13 matched therewith, and an inlet and an outlet of the outdoor heat exchanger 12 are connected to two ends of the first indoor heat exchanger 3 through a pipeline 400; a third working medium pump 17 is arranged between the outdoor heat exchanger 12 and the first air-conditioning heat exchanger 3.
Optionally, the refrigerant is R744 or R290.
The features and functions of the present invention will be further understood from the following description.
When the air conditioning system of the embodiment is used for refrigerating, the control system controls the flow direction of a refrigerant (the refrigerant is R744 (carbon dioxide) or R290 (propane)) in the air conditioning unit module 100 to be a compressor outlet, a four-way valve first interface, a four-way valve third interface, a first air conditioning heat exchanger, a throttle valve, a second air conditioning heat exchanger, a four-way valve fourth interface, a four-way valve second interface and a compressor inlet; the control system controls the flow direction of the refrigerant in the in-vehicle air conditioning module to be a second air conditioning heat exchanger, a roof heat exchanger, a first working medium pump, a floor heat exchanger and a second air conditioning heat exchanger; the control system controls the flow direction of the refrigerant in the outdoor heat exchange module to be the first air conditioner heat exchanger, the third working medium pump, the outdoor heat exchanger and the first air conditioner heat exchanger, so that the refrigeration effect is realized.
When the air conditioning system of the embodiment heats, the control system controls the flow direction of the refrigerant in the air conditioning unit module 100 to be the outlet of the compressor, the first interface of the four-way valve, the fourth interface of the four-way valve, the second air conditioning heat exchanger, the throttle valve, the first air conditioning heat exchanger, the third interface of the four-way valve, the second interface of the four-way valve and the inlet of the compressor; the control system controls the flow direction of the refrigerant in the in-vehicle air conditioning module to be a second air conditioning heat exchanger, a floor heat exchanger, a second working medium pump, a roof heat exchanger and a second air conditioning heat exchanger; the control system controls the flow direction of the refrigerant in the outdoor heat exchange module to be the first air conditioner heat exchanger, the third working medium pump, the outdoor heat exchanger and the first air conditioner heat exchanger, so that the heating effect is realized.
Specifically, the second air conditioner heat exchanger realizes heat exchange between the air conditioning system refrigerant and the air conditioning module refrigerant in the vehicle. The first air conditioner heat exchanger realizes the heat exchange between the refrigerant of the air conditioning system and the refrigerant of the outdoor heat exchange module. The four-way valve is used for reversing the refrigerant in the air conditioning unit module, and can also be replaced by four stop valves or two three-way valves. The throttle valve can be an electronic expansion valve or a throttle pipe. The air conditioner controller includes air conditioner system control, compressor drive control, voltage conversion, etc.
A heat regenerator can be connected in series in a refrigerant loop in the air conditioning unit module to exchange heat between the refrigerant at the inlet of the compressor and the refrigerant at the inlet of the second air conditioning heat exchanger, so that the refrigeration efficiency is improved.
A pressure sensor is arranged in a refrigerant loop in the air conditioning unit module to monitor the operating pressure of the system, and if the system pressure exceeds a set value, the system automatically alarms and starts a pressure relief program. A gas concentration sensor is arranged in the air conditioning unit module, the concentration of R744 or R290 gas is detected, if the system leaks to cause the gas concentration to exceed a set value, the system automatically alarms and starts a fan to exhaust air quickly, and the gas concentration is reduced. And as shown in fig. 1 (the pressure sensor and the gas concentration sensor in fig. 2, 3 and 4 are located at the same positions as those in fig. 1, but are not shown), the pressure sensor is disposed in the refrigerant circuit for detecting the pressure value of the refrigerant in the circuit, the gas concentration sensor is disposed in the air-conditioning unit module for detecting the concentration value of the gas possibly leaked into the air-conditioning unit module, and the working medium in the refrigerant circuit in the air-conditioning unit module is R744 or R290.
Working media in a loop of the air conditioning module in the vehicle are antifreeze or other media. Other heat sources or cold sources, such as compression refrigeration/heating systems, thermoelectric systems, electric heating systems or other refrigeration/heating systems, can be connected in series in the circuit of the air conditioning module in the vehicle.
The air conditioning module in the car can be composed of the roof heat exchanger 6 and the floor heat exchanger 7 together, or can be composed of the roof heat exchanger 6 or the floor heat exchanger 7 separately. The roof heat exchanger 6 and the floor heat exchanger 7 can form a loop of the air conditioning module in the vehicle independently, and can also form a loop of the air conditioning module in the vehicle in series or in parallel. Other devices requiring cooling or heating, such as battery systems, motor systems, high-power components or other devices requiring cooling/heating, may also be incorporated into the circuit of the in-vehicle air conditioning module.
The outdoor heat exchange module realizes heat exchange through the outdoor heat exchanger 5, the third fan 3 and ambient air. The air conditioning system of the embodiment may also be configured with the first air conditioning heat exchanger and the third fan directly in the air conditioning unit module without configuring the outdoor heat exchange module, and heat exchange is realized through the first air conditioning heat exchanger, the third fan and the ambient air. Working media in a loop formed by the outdoor heat exchange module are antifreeze or other media. A liquid storage tank or a working medium kettle can be connected in series in the loop of the air conditioning module in the vehicle and the loop of the outdoor heat exchange module and is used for storing working media in the loops.
To sum up, the utility model discloses a set up air conditioning system as the modularization system, air conditioning unit module forms first configuration with roof heat exchanger, first fan; the air conditioning unit module, the floor heat exchanger and the second fan form a second configuration; the air conditioning unit module, the roof heat exchanger, the first fan, the floor heat exchanger and the second fan form a third configuration, the air conditioning unit module can be replaced by other heat source or cold source modules, and the outdoor heat exchange module can be configured or not, so that the configuration of the whole system is flexible.
The utility model discloses an air conditioning system sets up to the main mode of refrigerating of roof heat exchanger, the main mode of heating of floor heat exchanger, has satisfied passenger cabin cold wind from last down flow, hot-blast demand that up flows from bottom to top, and simultaneously, roof air conditioning module and floor air conditioning module simultaneous working through the amount of wind (wind speed) of adjusting heat transfer module, can accelerate air cycle in the car, found the car in the temperature field, improve passenger's travelling comfort.
The utility model discloses an air conditioning system is through setting up pressure sensor and gas concentration sensor, real time monitoring air conditioning system's pressure and gas concentration, in case exceed the setting value, the system will take protective measures, has guaranteed air conditioning system overall safety and stability.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (8)
1. The utility model provides a modularization passenger train secondary heat transfer air conditioning system which characterized in that includes:
an air conditioning unit module;
the air conditioning module in the vehicle is connected with the air conditioning unit module;
the pressure sensor is arranged in the air conditioning unit module and used for detecting system pressure;
a gas concentration sensor provided in the air conditioning unit module and detecting a concentration of refrigerant gas;
a control system for controlling the air conditioning unit module, the in-vehicle air conditioning module, the pressure sensor, and the gas concentration sensor;
the control system controls the refrigerant to circulate in the air conditioning unit module and the in-vehicle air conditioning module to realize the heating or cooling function.
2. The modular passenger car secondary heat exchange air conditioning system of claim 1,
the air conditioning unit module includes:
a compressor and a four-way valve;
the outlet and the inlet of the compressor are respectively connected to the first interface and the third interface of the four-way valve;
the first air conditioner heat exchanger is connected to a second interface of the four-way valve;
a throttle valve connected with the first air conditioner heat exchanger and
and the second air conditioner heat exchanger is communicated with the throttling valve and is connected to a fourth interface of the four-way valve.
3. The modular passenger car secondary heat exchange air conditioning system of claim 2,
the in-vehicle air conditioning module includes:
the heat exchanger on the roof and a first fan matched with the heat exchanger;
the floor heat exchanger and a second fan matched with the floor heat exchanger;
the roof heat exchanger and the floor heat exchanger are respectively connected to two ends of the second air conditioner heat exchanger through pipelines;
and a pair of first working medium pump and a pair of second working medium pump which are opposite in direction are arranged between the roof heat exchanger and the floor heat exchanger in parallel.
4. The modular passenger car secondary heat exchange air conditioning system of claim 3,
the air conditioning unit module, the roof heat exchanger and the first fan form a first configuration;
the air conditioning unit module, the floor heat exchanger and the second fan form a second configuration;
the air conditioning unit module forms a third configuration with the roof heat exchanger, the first fan, the floor heat exchanger, and the second fan.
5. The modular passenger vehicle secondary heat exchange air conditioning system of claim 4, wherein the first air conditioner heat exchanger is configured with a third fan.
6. The modular passenger vehicle secondary heat exchange air conditioning system as recited in claim 5 further comprising an outdoor heat exchange module connected to the air conditioning unit module for exchanging heat between the refrigerant flowing into the outdoor heat exchange module through the air conditioning unit module and ambient air and returning the refrigerant to the air conditioning unit module.
7. The modular passenger car secondary heat exchange air conditioning system of claim 6,
the outdoor heat exchange module comprises:
the inlet and the outlet of the outdoor heat exchanger are connected to the two ends of the first air-conditioning heat exchanger through pipelines;
and a third working medium pump is arranged between the outdoor heat exchanger and the first air-conditioning heat exchanger.
8. The modular passenger car secondary heat exchange air conditioning system of claim 7, wherein the refrigerant is R744 or R290.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020817688.3U CN212637081U (en) | 2020-05-19 | 2020-05-19 | Modularized passenger car secondary heat exchange air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020817688.3U CN212637081U (en) | 2020-05-19 | 2020-05-19 | Modularized passenger car secondary heat exchange air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212637081U true CN212637081U (en) | 2021-03-02 |
Family
ID=74792678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020817688.3U Active CN212637081U (en) | 2020-05-19 | 2020-05-19 | Modularized passenger car secondary heat exchange air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212637081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111422033A (en) * | 2020-05-19 | 2020-07-17 | 应雪汽车科技(常熟)有限公司 | Modular passenger car secondary heat exchange air conditioning system and working method thereof |
-
2020
- 2020-05-19 CN CN202020817688.3U patent/CN212637081U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111422033A (en) * | 2020-05-19 | 2020-07-17 | 应雪汽车科技(常熟)有限公司 | Modular passenger car secondary heat exchange air conditioning system and working method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109466277B (en) | Whole car thermal management system of pure electric car | |
| CN102632790A (en) | Electric automobile and heat control system thereof | |
| CN113682107A (en) | Whole car thermal management system of new energy automobile | |
| CN111845274A (en) | Electric automobile thermal management system and working method thereof | |
| CN107791781B (en) | Automobile air conditioning system | |
| CN116373531A (en) | Electric automobile thermal management system and working method thereof | |
| CN111422033A (en) | Modular passenger car secondary heat exchange air conditioning system and working method thereof | |
| WO2019029218A1 (en) | Automotive air conditioning system | |
| CN103277936B (en) | Heat pump heat exchanging system for automobile | |
| CN212637081U (en) | Modularized passenger car secondary heat exchange air conditioning system | |
| CN212194994U (en) | Vehicle thermal management system | |
| CN113602055B (en) | New energy electric vehicle thermal management system and control method | |
| CN112092567A (en) | Electric automobile air conditioner heat pump system adopting double bypass valves and electronic expansion valve | |
| CN113829840A (en) | Air-conditioning heat pump system of electric automobile and temperature control method | |
| CN212579558U (en) | Temperature control governing system in electric motor car | |
| CN210149113U (en) | Waste heat recovery type heat pump heat management device for new energy automobile | |
| CN102632791A (en) | Electric automobile and thermal control system thereof | |
| CN111546853A (en) | Automobile air conditioning system with energy storage type vehicle-mounted life electrical appliance function | |
| CN217574787U (en) | CO 2 Heat pump air conditioning system and vehicle | |
| CN215850630U (en) | Air conditioner heat pump system of electric automobile and automobile | |
| CN212827780U (en) | Electric automobile thermal management system | |
| CN211335511U (en) | Air-supplementing enthalpy-increasing heat pump air conditioning system with motor battery thermal management | |
| CN217574789U (en) | CO 2 Heat pump air conditioning system and vehicle | |
| CN218519495U (en) | CO 2 Heat pump air conditioning system and vehicle | |
| CN219727795U (en) | Passenger car battery temperature control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |