CN113022265A - LNG automobile utilizes surplus cold refrigerating system of gasification - Google Patents

LNG automobile utilizes surplus cold refrigerating system of gasification Download PDF

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Publication number
CN113022265A
CN113022265A CN202110314749.3A CN202110314749A CN113022265A CN 113022265 A CN113022265 A CN 113022265A CN 202110314749 A CN202110314749 A CN 202110314749A CN 113022265 A CN113022265 A CN 113022265A
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lng
heat exchange
gasification
pipe
arc
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Chinese (zh)
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姚志敏
姚云鹏
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Priority to CN202110314749.3A priority Critical patent/CN113022265A/en
Publication of CN113022265A publication Critical patent/CN113022265A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/32Cooling devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00321Heat exchangers for air-conditioning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00Arrangement in connection with cooling of propulsion units
    • B60K11/02Arrangement in connection with cooling of propulsion units with liquid cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03Fuel tanks
    • B60K15/06Fuel tanks characterised by fuel reserve systems

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention discloses a system for refrigerating an LNG automobile by utilizing gasified residual cold, which comprises an LNG engine, a feeding mechanism and a heat exchanger, wherein the LNG engine is provided with a water tank, the feeding mechanism comprises an LNG storage tank and a gasifier, the gasifier comprises a first heat exchange box and a gasification pipe, the gasification pipe is arranged in a first heat exchange cavity, one end of the gasification pipe is communicated with an air inlet of the LNG engine, and the other end of the gasification pipe is communicated with the LNG storage tank; the heat exchanger comprises a second heat exchange tank and a cold water pipe. The technical scheme provided by the invention has the beneficial effects that: the cold energy released in the LNG liquefaction process is used for refrigerating hot water in the water tank of the LNG engine, the refrigerated cold water is used for cooling air in the second heat exchange box and then flows back into the water tank of the LNG engine, and the second heat exchange box is communicated with the interior of the vehicle, so that the cold air in the second heat exchange box can exchange heat with the air in the vehicle, the temperature in the vehicle is reduced, and the waste of the cold energy released in the LNG liquefaction process is avoided.

Description

LNG automobile utilizes surplus cold refrigerating system of gasification
Technical Field
The invention relates to the technical field of LNG (liquefied natural gas) automobiles, in particular to a gasification residual cooling refrigeration system for an LNG automobile.
Background
The LNG automobile is also called as liquefied gas automobile, the liquefied gas automobile is safe to burn, and has a series of waste gas treatment devices, the content of carbon monoxide, hydrocarbon and the like in exhaust is very small, the most strict automobile exhaust regulations in the world are met, because the automobile is provided with various safety valves, the automobile is strictly and practically ensured not to have fire or explosion accidents under various accidental conditions, and the high safety performance of the automobile is well recognized in the world.
When the existing LNG automobile is used, a large amount of cold energy released by gasification in the process that LNG enters an engine through gasification is not utilized, so that the waste of the cold energy is caused, and the energy consumption of a refrigerating system is indirectly increased.
Disclosure of Invention
In view of this, it is necessary to provide a system for cooling an LNG vehicle by utilizing residual cooling after gasification, so as to solve the technical problem that a large amount of cooling energy released by the gasification of LNG entering an engine is not utilized and is wasted during the use of the existing LNG vehicle.
An LNG car utilizes surplus cold refrigerating system of gasification, includes:
the LNG engine is provided with a water tank, and the water tank is provided with a closed water storage cavity for containing cooling water;
the feeding mechanism comprises an LNG storage tank and a gasifier, the gasifier comprises a first heat exchange box and a gasification pipe, the first heat exchange box is provided with a closed first heat exchange cavity, one end of the first heat exchange cavity is communicated with the water storage cavity, the gasification pipe is arranged in the first heat exchange cavity, one end of the gasification pipe is communicated with an air inlet of the LNG engine, and the other end of the gasification pipe is communicated with the LNG storage tank;
the heat exchanger, the heat exchanger includes second heat transfer case and cold water pipe, the second heat transfer case has an inclosed second heat transfer chamber, second heat transfer chamber and the inside intercommunication of car, the cold water pipe is located the second heat transfer intracavity, the one end of cold water pipe with the other end intercommunication in first heat transfer chamber, the other end of cold water pipe with the water storage chamber intercommunication.
Further, feeding mechanism still includes the voltage regulator, the import of voltage regulator with the vaporizer pipe intercommunication, the export of voltage regulator with the air inlet intercommunication of LNG engine.
Further, feed mechanism still includes the gas mixer, the import of gas mixer with the export intercommunication of voltage regulator, the export of gas mixer with the air inlet intercommunication of LNG engine.
Furthermore, an air conditioning air supply outlet is arranged in the automobile and is communicated with the second heat exchange cavity; and a fan is arranged in the second heat exchange cavity and used for discharging the gas in the second heat exchange cavity to the interior of the automobile through the air conditioner air supply outlet.
Furthermore, five communicating pipes are respectively communicated between one end of the first heat exchange cavity and the water storage cavity, between one end of the gasification pipe and an air inlet of the LNG engine, between the other end of the gasification pipe and the LNG storage tank, between one end of the cold water pipe and the other end of the first heat exchange cavity, and between the other end of the cold water pipe and the water storage cavity; each all the cover is equipped with the protective sheath on the lateral wall of communicating pipe, the protective sheath includes first heat preservation, sealing layer and the second heat preservation that sets gradually from inside to outside.
Further, each all the cover is equipped with sealing mechanism on the lateral wall of the port junction of communicating pipe, sealing mechanism includes two arcs and two sealed pad, two the connection can be dismantled to the relative lock of arc, is two under the lock state the arc cover is located on the lateral wall of the port junction of communicating pipe, two sealed pad sets up respectively in two the arc with between communicating pipe and all with the lateral wall interference fit of the port junction of communicating pipe.
Furthermore, the two arc-shaped plates are respectively a first arc-shaped plate and a second arc-shaped plate; the first arc-shaped plate is provided with a positioning groove, and the inner side wall of the positioning groove is provided with a clamping groove; a limiting bulge matched with the positioning groove is formed on the second arc-shaped plate, a clamping block is arranged on the limiting bulge in a sliding mode, and when the first arc-shaped plate is buckled with the second arc-shaped plate, the limiting bulge is inserted into the positioning groove; the sealing mechanism further comprises an operating piece, wherein the operating piece is connected with the clamping block and used for driving the clamping block to move, so that the clamping block is clamped in the clamping groove.
Furthermore, an accommodating groove is formed in the side wall of the limiting protrusion; the operating parts includes regulating plate, rack, pivot, gear and driving piece, the regulating plate with fixture block fixed connection, the rack is fixed in on the regulating plate, the pivot with the inside wall of accepting groove rotates to be connected, the gear is coaxial to be fixed in the pivot, the gear with rack toothing, the driving piece with the pivot is connected and is used for the drive the pivot is rotated.
Further, the driving piece comprises a wire wheel, a pull rope, a sliding block, a pull strip and a limiting bolt, the wire wheel is coaxially fixed on the rotating shaft, one end of the pull rope is wound on the wire wheel, the sliding block is arranged on the second arc-shaped plate in a sliding mode, the sliding block is fixedly connected with the other end of the pull rope, the pull strip is fixed on the sliding block, the limiting bolt penetrates through the pull strip and is in threaded connection with the pull strip, and the limiting bolt is used for being abutted against the side wall of the second arc-shaped plate to prevent the pull strip from moving.
Further, sealing mechanism still includes reset spring, reset spring's one end with regulating plate fixed connection, reset spring's the other end with the inside wall fixed connection of accepting the groove.
Compared with the prior art, the technical scheme provided by the invention has the beneficial effects that: the cold energy released in the LNG liquefaction process is used for refrigerating hot water in the water tank of the LNG engine, the refrigerated cold water is used for cooling air in the second heat exchange box and then flows back into the water tank of the LNG engine, and the second heat exchange box is communicated with the interior of the vehicle, so that the cold air in the second heat exchange box can exchange heat with the air in the vehicle, the temperature in the vehicle is reduced, and the waste of the cold energy released in the LNG liquefaction process is avoided.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a refrigeration system for an LNG vehicle using gasified residual cooling according to the present invention;
FIG. 2 is a schematic diagram of the structure of the communication tube and the protective sheath in FIG. 1;
FIG. 3 is a schematic structural view of the sealing mechanism in a snap-fit condition;
FIG. 4 is an enlarged partial view of area A of FIG. 3;
FIG. 5 is an enlarged partial view of area B of FIG. 3;
FIG. 6 is a schematic view of the structure of the adjusting plate, the rack, the gear and the rotating shaft in FIG. 3;
FIG. 7 is a schematic perspective view of the seal mechanism of FIG. 3 in a disassembled state;
in the figure: 1-LNG engine, 2-feeding mechanism, 3-heat exchanger, 4-communicating pipe, 5-protective sleeve, 6-sealing mechanism, 7-air conditioner air supply outlet, 21-LNG storage tank, 22-gasifier, 221-first heat exchange box, 222-gasification pipe, 23-pressure regulator, 24-gas mixer, 31-second heat exchange box, 32-cold water pipe, 51-first heat preservation layer, 52-sealing layer, 53-second heat preservation layer, 61-sealing gasket, 62-first arc plate, 621-positioning groove, 6211-clamping groove, 63-second arc plate, 631-limit protrusion, 6311-accommodating groove, 64-clamping block, 65-adjusting plate, 651-rack, 66-rotating shaft, driving piece, 67-gear, 68-driving piece, 681-line wheel, 682-pull rope, 683-slide block, 684-brace, 685-limit bolt and 69-reset spring.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
Referring to fig. 1, the present invention provides a system for cooling an LNG vehicle by using vaporized residual heat, including an LNG engine 1, a feeding mechanism 2, and a heat exchanger 3.
Referring to fig. 1, the LNG engine 1 has a water tank having a closed water storage chamber for containing cooling water.
Referring to fig. 1, the feeding mechanism 2 is configured to supply gaseous methane as fuel to the LNG engine 1, the feeding mechanism 2 includes an LNG storage tank 21 and a vaporizer 22, the vaporizer 22 includes a first heat exchange tank 221 and a vaporizer tube 222, the first heat exchange tank 221 has a first sealed heat exchange cavity, one end of the first heat exchange cavity is communicated with the water storage cavity, the vaporizer tube 222 is disposed in the first heat exchange cavity, one end of the vaporizer tube 222 is communicated with an air inlet of the LNG engine 1, and the other end of the vaporizer tube 222 is communicated with the LNG storage tank 21.
Referring to fig. 1, the heat exchanger 3 includes a second heat exchange tank 31 and a cold water pipe 32, the second heat exchange tank 31 has a closed second heat exchange cavity, the second heat exchange cavity is communicated with the inside of the automobile, the cold water pipe 32 is located in the second heat exchange cavity, one end of the cold water pipe 32 is communicated with the other end of the first heat exchange cavity, and the other end of the cold water pipe 32 is communicated with the water storage cavity.
Preferably, referring to fig. 1, the feeding mechanism 2 further includes a pressure regulator 23, an inlet of the pressure regulator 23 is communicated with the vaporizing tube 222, and an outlet of the pressure regulator 23 is communicated with an air inlet of the LNG engine 1.
Preferably, referring to fig. 1, the feeding mechanism 2 further includes a gas mixer 24, an inlet of the gas mixer 24 is communicated with an outlet of the pressure regulator 23, and an outlet of the gas mixer 24 is communicated with an air inlet of the LNG engine 1.
Preferably, referring to fig. 1, an air conditioning air supply outlet 7 is arranged in the automobile, and the air conditioning air supply outlet 7 is communicated with the second heat exchange cavity; and a fan is arranged in the second heat exchange cavity and used for discharging the gas in the second heat exchange cavity to the interior of the automobile through the air conditioner air supply outlet 7.
Further, referring to fig. 1 and 2, the space between one end of the first heat exchange cavity and the water storage cavity, the space between one end of the vaporizing tube 222 and the air inlet of the LNG engine 1, the space between the other end of the vaporizing tube 222 and the LNG storage tank 21, the space between one end of the cold water pipe 32 and the other end of the first heat exchange cavity, and the space between the other end of the cold water pipe 32 and the water storage cavity are respectively communicated through five communication pipes 4; each protective sleeve 5 is sleeved on the outer side wall of each communicating pipe 4, and each protective sleeve 5 comprises a first heat-insulating layer 51, a sealing layer 52 and a second heat-insulating layer 53 which are sequentially arranged from inside to outside, so that the heat-insulating effect of the communicating pipe 4 is improved, and the loss of cold energy is reduced.
Further, please refer to fig. 2-7, each sealing mechanism 6 is sleeved on the outer side wall of the port connection of the communication pipe 4, the sealing mechanism 6 includes two arc plates and two sealing gaskets 61, two arc plates are detachably connected in a relatively buckled manner, two arc plates in a buckled state are sleeved on the outer side wall of the port connection of the communication pipe 4, and the two sealing gaskets 61 are respectively arranged between the two arc plates and the communication pipe 4 and are in interference fit with the outer side wall of the port connection of the communication pipe 4.
Preferably, referring to fig. 3-7, the two arc plates are a first arc plate 62 and a second arc plate 63; a positioning groove 621 is formed in the first arc-shaped plate 62, and a clamping groove 6211 is formed in the inner side wall of the positioning groove 621; a limiting protrusion 631 matched with the positioning groove 621 is formed on the second arc-shaped plate 63, a clamping block 64 is slidably arranged on the limiting protrusion 631, and when the first arc-shaped plate 62 is buckled with the second arc-shaped plate 63, the limiting protrusion 631 is inserted into the positioning groove 621; the sealing mechanism 6 further includes an operating element, and the operating element is connected to the latch 64 and is configured to drive the latch 64 to move, so that the latch 64 is latched into the latch 6211, thereby fixing the first arc-shaped plate 62 and the second arc-shaped plate 63.
Preferably, referring to fig. 3 to 7, the sidewall of the limiting protrusion 631 is provided with a receiving groove 6311; the operating parts includes regulating plate 65, rack 651, pivot 66, gear 67 and driving piece 68, regulating plate 65 with fixture block 64 fixed connection, rack 651 is fixed in on the regulating plate 65, pivot 66 with the inside wall of accepting groove 6311 rotates and is connected, gear 67 coaxial fixation is in on the pivot 66, gear 67 with the rack 651 meshes, driving piece 68 with the pivot 66 is connected and is used for the drive the pivot 66 rotates.
Preferably, referring to fig. 3 to 7, the driving member 68 includes a wire wheel 681, a stay 682, a sliding block 683, a brace 684, and a limit bolt 685, the wire wheel 681 is coaxially fixed to the rotating shaft 66, one end of the stay 682 is wound around the wire wheel 681, the sliding block 683 is slidably disposed on the second arc-shaped plate 63, the sliding block 683 is fixedly connected to the other end of the stay 682, the brace 684 is fixed to the sliding block 683, the limit bolt 685 passes through the brace 684 and is in threaded connection with the brace 684, and the limit bolt 685 is configured to abut against a side wall of the second arc-shaped plate 63 to prevent the brace 684 from moving due to a frictional resistance between the limit bolt 685 and the second arc-shaped plate 63.
Preferably, referring to fig. 3 to 7, the sealing mechanism 6 further includes a return spring 69, one end of the return spring 69 is fixedly connected to the adjusting plate 65, and the other end of the return spring 69 is fixedly connected to the inner side wall of the receiving groove 6311.
For better understanding of the present invention, the following will describe the operation of the LNG vehicle using the gasified residual cooling refrigeration system according to the present invention in detail with reference to fig. 1 to 7: when the vehicle is used, after the vehicle is started, the LNG liquid in the LNG storage tank 21 is released into the vaporizing tube 222 through the pressure of the LNG storage tank 21, the liquid LNG is gradually changed into gaseous natural gas due to volume expansion in the vaporizing tube 222, in the process, the external heat is absorbed, and the vaporized natural gas and air are mixed by the gas mixer 24 and then enter the LNG engine 1, so that the fuel is provided for the LNG engine 1; in the first heat exchange box 221, hot water generated in a water tank of the LNG engine 1 gradually cools down due to heat absorption of the gasification pipe 222, and the water in the first heat exchange box 221 flows out of the cold water pipe 32 after the water temperature in the first heat exchange box 221 is sufficiently lowered, so that the temperature of air in the second heat exchange box 31 is lowered, and cold air is blown into the vehicle through the air-conditioning air supply opening 7 by a fan in the second heat exchange box 31 to realize refrigeration.
The working principle of the sealing mechanism 6 is as follows: the port junction of communicating pipe 4 is overlapped with first arc 62 and second arc 63, insert the spacing arch 631 of second arc 63 in the constant head tank 621 of first arc 62, then pulling brace 684, move with driving slider 683, slider 683 drives stay cord 682 and withdraws, stay cord 682 pulling line wheel 681 rotates, line wheel 681 drives pivot 66 and rotates, pivot 66 drives gear 67 and rotates, gear 67 drives rack 651 and moves, rack 651 drives regulating plate 65 and moves, regulating plate 65 drives fixture block 64 and moves, in so that fixture block 64 blocks draw-in groove 6211 on first arc 62, then tighten spacing bolt 685, fix the position of brace 684, thereby realized the fixed to first arc 62 and second arc 63, thereby sealed the protection of the port junction of communicating pipe 4 through sealed the pad 61. When first arc 62 and second arc 63 need be unpack apart, only need unscrew spacing bolt 685, under the effect of reset spring 69's elastic restoring force, regulating plate 65 moves down to make fixture block 64 leave draw-in groove 6211 on first arc 62, then can pull open first arc 62 and second arc 63.
In summary, in the present invention, the cold energy released in the LNG liquefaction process is used to refrigerate the hot water in the water tank of the LNG engine 1, and the cold water obtained after refrigeration is used to cool the air in the second heat exchange tank 31 and then flows back to the water tank of the LNG engine 1, because the second heat exchange tank 31 is communicated with the inside of the vehicle, the cold air in the second heat exchange tank 31 can exchange heat with the air in the vehicle, so as to reduce the temperature in the vehicle, and avoid the waste of the cold energy released in the LNG liquefaction process.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.

Claims (10)

1. The utility model provides a LNG car utilizes surplus cold refrigerating system of gasification which characterized in that includes:
the LNG engine is provided with a water tank, and the water tank is provided with a closed water storage cavity for containing cooling water;
the feeding mechanism comprises an LNG storage tank and a gasifier, the gasifier comprises a first heat exchange box and a gasification pipe, the first heat exchange box is provided with a closed first heat exchange cavity, one end of the first heat exchange cavity is communicated with the water storage cavity, the gasification pipe is arranged in the first heat exchange cavity, one end of the gasification pipe is communicated with an air inlet of the LNG engine, and the other end of the gasification pipe is communicated with the LNG storage tank;
the heat exchanger, the heat exchanger includes second heat transfer case and cold water pipe, the second heat transfer case has an inclosed second heat transfer chamber, second heat transfer chamber and the inside intercommunication of car, the cold water pipe is located the second heat transfer intracavity, the one end of cold water pipe with the other end intercommunication in first heat transfer chamber, the other end of cold water pipe with the water storage chamber intercommunication.
2. The LNG automobile residual cold refrigerating system by gasification as claimed in claim 1, wherein the feeding mechanism further comprises a pressure regulator, an inlet of the pressure regulator is communicated with the gasification pipe, and an outlet of the pressure regulator is communicated with an air inlet of the LNG engine.
3. The LNG automobile residual cooling gasification refrigeration system according to claim 2, wherein the feeding mechanism further comprises a gas mixer, an inlet of the gas mixer is communicated with an outlet of the pressure regulator, and an outlet of the gas mixer is communicated with an air inlet of the LNG engine.
4. The LNG vehicle cooling system utilizing residual gasified cooling according to claim 1, wherein an air conditioning air supply outlet is arranged in the vehicle, and the air conditioning air supply outlet is communicated with the second heat exchange cavity;
and a fan is arranged in the second heat exchange cavity and used for discharging the gas in the second heat exchange cavity to the interior of the automobile through the air conditioner air supply outlet.
5. The LNG vehicle cooling system using gasified waste heat according to claim 1, wherein five communication pipes are respectively connected between one end of the first heat exchange chamber and the water storage chamber, between one end of the gasification pipe and an air inlet of the LNG engine, between the other end of the gasification pipe and the LNG storage tank, between one end of the cold water pipe and the other end of the first heat exchange chamber, and between the other end of the cold water pipe and the water storage chamber;
each all the cover is equipped with the protective sheath on the lateral wall of communicating pipe, the protective sheath includes first heat preservation, sealing layer and the second heat preservation that sets gradually from inside to outside.
6. The LNG automobile utilization gasification residual cold refrigerating system according to claim 5, characterized in that, each the outer wall of the port junction of the communicating pipe is sleeved with a sealing mechanism, the sealing mechanism comprises two arc plates and two sealing gaskets, two arc plates are detachably connected in a relative buckling manner and are in a buckling state, the two arc plates are sleeved on the outer wall of the port junction of the communicating pipe, and the two sealing gaskets are respectively arranged between the two arc plates and the communicating pipe and are in interference fit with the outer wall of the port junction of the communicating pipe.
7. The LNG vehicle cooling system using residual gasified cooling according to claim 6, wherein the two curved plates are a first curved plate and a second curved plate;
the first arc-shaped plate is provided with a positioning groove, and the inner side wall of the positioning groove is provided with a clamping groove;
a limiting bulge matched with the positioning groove is formed on the second arc-shaped plate, a clamping block is arranged on the limiting bulge in a sliding mode, and when the first arc-shaped plate is buckled with the second arc-shaped plate, the limiting bulge is inserted into the positioning groove;
the sealing mechanism further comprises an operating piece, wherein the operating piece is connected with the clamping block and used for driving the clamping block to move, so that the clamping block is clamped in the clamping groove.
8. The LNG vehicle refrigeration system using gasified residual cold according to claim 7, wherein a receiving groove is formed on a side wall of the limiting protrusion;
the operating parts includes regulating plate, rack, pivot, gear and driving piece, the regulating plate with fixture block fixed connection, the rack is fixed in on the regulating plate, the pivot with the inside wall of accepting groove rotates to be connected, the gear is coaxial to be fixed in the pivot, the gear with rack toothing, the driving piece with the pivot is connected and is used for the drive the pivot is rotated.
9. The LNG automobile utilization gasification residual cooling refrigeration system according to claim 8, wherein the driving member comprises a wire wheel, a pull rope, a sliding block, a brace and a limit bolt, the wire wheel is coaxially fixed on the rotating shaft, one end of the pull rope is wound on the wire wheel, the sliding block is slidably arranged on the second arc-shaped plate, the sliding block is fixedly connected with the other end of the pull rope, the brace is fixed on the sliding block, the limit bolt penetrates through the brace and is in threaded connection with the brace, and the limit bolt is used for being abutted against the side wall of the second arc-shaped plate to prevent the brace from moving.
10. The LNG automobile residual gasification cooling system according to claim 9, wherein the sealing mechanism further comprises a return spring, one end of the return spring is fixedly connected with the adjusting plate, and the other end of the return spring is fixedly connected with the inner side wall of the accommodating groove.
CN202110314749.3A 2021-03-24 2021-03-24 LNG automobile utilizes surplus cold refrigerating system of gasification Pending CN113022265A (en)

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CN202110314749.3A CN113022265A (en) 2021-03-24 2021-03-24 LNG automobile utilizes surplus cold refrigerating system of gasification

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Application Number Priority Date Filing Date Title
CN202110314749.3A CN113022265A (en) 2021-03-24 2021-03-24 LNG automobile utilizes surplus cold refrigerating system of gasification

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4450879A (en) * 1978-02-23 1979-08-30 Commonwealth Industrial Gases Limited, The Refrigeration system
CN1431107A (en) * 2003-01-17 2003-07-23 西安交通大学 Car air conditioner making use of quantity of cold of liquefied natural gas
CN203472458U (en) * 2013-09-26 2014-03-12 湖北惠利百投资有限公司 LNG automobile air-conditioning system
CN204055238U (en) * 2014-09-09 2014-12-31 唐山唐钢气体有限公司 A kind of vehicle-mounted LNG cold energy interior environment system
CN104354566A (en) * 2011-09-16 2015-02-18 上海交通大学 Automobile air-conditioning system capable of improving refrigerating efficiency by vaporization of liquefied natural gas
CN204623062U (en) * 2015-05-07 2015-09-09 辽宁澳深低温装备股份公司 A kind of LNG cold energy recycle system for van cooler
CN211038813U (en) * 2019-10-12 2020-07-17 陕西康辰动力科技有限公司 Intercooler temperature control device that development efficiency is high

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4450879A (en) * 1978-02-23 1979-08-30 Commonwealth Industrial Gases Limited, The Refrigeration system
CN1431107A (en) * 2003-01-17 2003-07-23 西安交通大学 Car air conditioner making use of quantity of cold of liquefied natural gas
CN104354566A (en) * 2011-09-16 2015-02-18 上海交通大学 Automobile air-conditioning system capable of improving refrigerating efficiency by vaporization of liquefied natural gas
CN203472458U (en) * 2013-09-26 2014-03-12 湖北惠利百投资有限公司 LNG automobile air-conditioning system
CN204055238U (en) * 2014-09-09 2014-12-31 唐山唐钢气体有限公司 A kind of vehicle-mounted LNG cold energy interior environment system
CN204623062U (en) * 2015-05-07 2015-09-09 辽宁澳深低温装备股份公司 A kind of LNG cold energy recycle system for van cooler
CN211038813U (en) * 2019-10-12 2020-07-17 陕西康辰动力科技有限公司 Intercooler temperature control device that development efficiency is high

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Application publication date: 20210625