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Car air conditioner making use of quantity of cold of liquefied natural gas

A technology of liquefied natural gas and air conditioners, which is applied to household refrigeration devices, applications, household appliances, etc., can solve the problems of low payload, low safety and reliability, and short continuous driving mileage, so as to reduce equipment investment, eliminate noise pollution, Good transient performance and steady-state performance have the effect of

Inactive Publication Date: 2003-07-23
XI AN JIAOTONG UNIV
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  • Abstract
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Problems solved by technology

[0006] 1) The replacement of compressed natural gas vehicles (CNGV) by liquefied natural gas vehicles (LNGV) can solve the problems of low vehicle payload, short continuous mileage, low safety and reliability, etc.

Method used

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  • Car air conditioner making use of quantity of cold of liquefied natural gas
  • Car air conditioner making use of quantity of cold of liquefied natural gas
  • Car air conditioner making use of quantity of cold of liquefied natural gas

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Embodiment Construction

[0019] In order to understand the present invention more clearly, the present invention will be further described in detail below in conjunction with the drawings and principles.

[0020] see figure 1 , figure 1 It is a schematic diagram of the principle of the present invention; according to the technical solution of the present invention, the automotive air conditioner utilizing the cooling capacity of liquefied natural gas comprises: a liquefied natural gas Dewar 1, a coil heat exchanger 2, a casing heat exchanger 3, and a plate-fin heat exchanger 4. Ethylene glycol cold storage tank 5, air-cooled heat exchanger 6, liquid pump 7, filter 8, and related condenser 9, automobile engine 10, cooling water tank 11, low-temperature valve 12, low-pressure gas storage tank 13;

[0021] The coil heat exchanger 2 is set in the LNG Dewar 1 and communicates with the casing heat exchanger 3 and the plate-fin heat exchanger 4; the plate-fin heat exchanger 4 is also connected with the ethy...

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Abstract

An air conditioner using the cold of liquefied natural gas for automobile is composed of liquefied natural gas cylinder, coiled-tube beat exchanger arranged in said cylinder, sleeve-tube heat exchanger, finned heat exchanger, cold-accumulating ethanediol box, air cooling heat exchanger and liquid pump, which are communicated. The said fined heat exchanger is communicated with engine via low-pressure gas accumulator and condenser. The cooling water of engine is cooled by heat exchanger and then used to cool engine. Its advantages are better transient and steady-state performance and better cold balancing and regulating function.

Description

1. Technical field [0001] The invention belongs to the technical field of environment-friendly automobiles, novel refrigeration methods and energy efficient utilization, and relates to an automobile air conditioner utilizing the cooling capacity of liquefied natural gas. 2. Background technology [0002] With the continuous development of the automobile industry, natural gas has been widely used as a clean and low-pollution automobile alternative fuel. Due to the low standard boiling point of natural gas (about 110K), currently, the normal temperature compressed natural gas (CNG) method is widely used, that is, the natural gas is compressed and stored in a 20MPa high-pressure tank (which can accommodate 240 times the volume of gas under standard working conditions). Due to the thick wall of the high-pressure storage tank and the heavy vehicle load, there are disadvantages such as poor safety performance and short mileage at one time, which largely restrict the development of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60H1/32F25D3/10
Inventor 厉彦忠王强陈曦王江
Owner XI AN JIAOTONG UNIV
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