CN113734031A - Pure electric new energy liquid nitrogen refrigerator car - Google Patents
Pure electric new energy liquid nitrogen refrigerator car Download PDFInfo
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- CN113734031A CN113734031A CN202111305426.4A CN202111305426A CN113734031A CN 113734031 A CN113734031 A CN 113734031A CN 202111305426 A CN202111305426 A CN 202111305426A CN 113734031 A CN113734031 A CN 113734031A
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- frame
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- liquid nitrogen
- heat insulation
- temporary storage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/20—Refrigerated goods vehicles
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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
- B60H1/32—Cooling devices
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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
- B60H1/32—Cooling devices
- B60H2001/3286—Constructional features
- B60H2001/3289—Additional cooling source
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- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
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- Transportation (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention relates to the field of new energy automobiles, in particular to a pure electric new energy liquid nitrogen refrigerator car which comprises a loading car, an installation bottom plate, a heat insulation carriage, a side partition plate, a heat insulation car door and the like; be provided with mounting plate on the load wagon, mounting plate top surface fixed mounting has thermal-insulated carriage, and thermal-insulated carriage left side is connected with the side baffle through hinge connection's mode, and thermal-insulated carriage rear side is connected with two thermal-insulated doors through hinge connection's mode, and two thermal-insulated doors contact each other. Through the interior alcohol thermal expansion of fluting drum for L shape baffle will be hollow temporarily store up the frame bottom opening and open, the liquid nitrogen blowout of hollow temporarily storing up the frame refrigerates in to thermal-insulated carriage, guarantees that thermal-insulated carriage inside temperature is in the refrigerating condition, utilizes alcohol control refrigeration simultaneously can reduce power consumption, thereby reaches to refrigerate fresh-keeping for a long time to the goods of thermal-insulated carriage inside.
Description
Technical Field
The invention relates to the field of new energy automobiles, in particular to a pure electric new energy liquid nitrogen refrigerator car.
Background
With the increasing shortage of petroleum resources, the environmental protection concept is more and more important in large cities, fuel automobiles are gradually replaced by new energy automobiles, the development of the new energy automobiles mainly comprises pure electric automobiles in the automobile industry at present, for a traditional fuel engine chassis, energy generated by fuel combustion is sufficient to maintain the operation of a refrigeration system, most of the existing refrigerated vehicles adopt a mechanical compressor unit refrigeration mode, and the refrigeration mode needs to consume a large amount of energy for cooling.
The pure electric vehicle can not meet the requirement of long-distance travel due to the reason of a battery technology, the cruising ability of the pure electric vehicle is reduced, a refrigeration compressor which needs to consume a large amount of electric energy is additionally arranged on the pure electric vehicle to manufacture cold energy, the storage capacity of the pure electric vehicle can be further reduced, the cruising ability of the pure electric vehicle is further reduced, and therefore the pure electric vehicle is difficult to realize the long-time refrigeration and preservation functions.
Disclosure of Invention
The invention aims to provide a pure electric new energy liquid nitrogen refrigerator car which can uniformly refrigerate the interior of a carriage, can control refrigeration by alcohol to reduce electric energy consumption, has a long-time refrigeration and preservation function, and can control the lowest temperature value in the interior of the carriage, so as to solve the problem that the pure electric car provided in the background technology is difficult to realize the long-time refrigeration and preservation function.
The technical scheme is as follows: the utility model provides a pure electric new forms of energy liquid nitrogen refrigerator car, including the load wagon, still including: the loading vehicle is provided with a mounting bottom plate, the top surface of the mounting bottom plate is fixedly provided with a heat insulation carriage, the heat insulation carriage is used for isolating the internal temperature from the outside, the left side of the heat insulation carriage is connected with a side partition plate convenient to open in a hinge connection mode, the rear side of the heat insulation carriage is connected with two heat insulation vehicle doors in a hinge connection mode, the two heat insulation vehicle doors are mutually contacted, the top surface of the mounting bottom plate is fixedly provided with a placing frame, a liquid nitrogen tank body used for storing liquid nitrogen is placed on the placing frame, the top surface in the heat insulation carriage is fixedly provided with a hollow temporary storage frame, the hollow temporary storage frame is used for storing and discharging the liquid nitrogen into the heat insulation carriage, the top surface of the mounting bottom plate is fixedly provided with a heat insulation protective frame, the heat insulation protective frame is fixedly connected with the heat insulation carriage and used for isolating the internal temperature of the heat insulation carriage, the hollow temporary storage frame is provided with a nitrogen storage component used for storing the liquid nitrogen, the bottom surface of the hollow temporary storage frame is connected with a heat-sensitive release assembly in a sliding mode, and the heat-sensitive release assembly is used for sensing the temperature inside the heat-insulated carriage and releasing liquid nitrogen.
Further, the hollow temporary storage frame is made of a heat-insulating material and is used for temporarily storing liquid nitrogen, so that the liquid nitrogen is prevented from being influenced by the temperature inside the heat-insulating carriage to the maximum extent, and the effect of preventing the liquid nitrogen from evaporating is achieved.
Further, nitrogen gas storage subassembly is including the air guide hard tube, the air guide hose, the stay tube, threaded connection frame, the gag lever post, L shape baffle and playback spring, fixedly connected with air guide hard tube on the hollow temporary storage frame, the air guide hard tube passes thermal-insulated protection frame intercommunication has the air guide hose, air guide hose bottom intercommunication has the stay tube, stay tube bottom rotary type is connected with threaded connection frame, threaded connection frame is connected through screw-thread fit's mode with the liquid nitrogen tank body, the hollow temporary storage frame in be align to grid's mode be connected with many pairs of gag lever posts, with on the gag lever post common slidingtype be connected with L shape baffle, two adjacent L shape baffles are contacted each other, L shape baffle and hollow temporary storage frame between be connected with a pair of playback spring.
Further, the heat-sensitive releasing component comprises a sliding slide rail frame, a straight rack, a sliding support frame, a servo motor and a straight gear, the fluting drum, the slide adjusting pole, the bracing piece frame, a supporting plate, extrusion piece and reset spring, the hollow frame bottom surface slidingtype that stores up temporarily is connected with the slip slide rail frame, slip slide rail frame one side rigid coupling has the spur rack, the slip support frame slidingtype is connected on the slip slide rail frame, fixed mounting has servo motor on the slip support frame, the welding of servo motor output shaft top has the spur gear, spur gear and spur rack intermeshing, fluting drum fixed mounting is on the slip support frame, the last sliding connection of fluting drum has the slide adjusting pole, fixed mounting has the bracing piece frame on the slip adjusting pole, the last rigid coupling of bracing piece frame has five backup pads, the sliding connection has five extrusion pieces on the bracing piece frame, be connected with reset spring between adjacent extrusion piece and the backup pad.
Furthermore, the whole extrusion block is of a trapezoidal structure, and the trapezoidal inclined plane of the extrusion block is used for pushing the L-shaped partition plate in the linear motion process.
Further, still including extrusion supporting component, the hollow frame bottom of storing temporarily is provided with extrusion supporting component, and extrusion supporting component is including spacing, and the hollow frame bottom of storing temporarily is provided with five spacing, and it has four spacing grooves to open on the extrusion piece.
Further, still including cold-stored temperature control assembly, the frame middle part is stored up temporarily to the hollow, and cold-stored temperature control assembly is provided with cold-stored temperature control assembly including fix the support frame, internal thread adjusting bracket and screw rod frame, and the frame middle part is stored up temporarily to the hollow, and the fix the support frame is last to rotate the type and is connected with the internal thread adjusting bracket, is connected with the screw rod frame through screw-thread fit's mode on the internal thread adjusting bracket, screw rod frame and slip slide rail frame top surface rigid coupling.
Further, still including the atmospheric pressure maintenance subassembly, the hollow frame of storing up temporarily bottom fixed mounting has the atmospheric pressure maintenance subassembly, the atmospheric pressure maintenance subassembly is including the fluting limiting plate, slide damper, expanding spring, sliding partition frame and fixed cylinder, the hollow frame of storing up temporarily bottom fixed mounting has the fluting limiting plate, fluting limiting plate top slidingtype connection has slide damper, slide damper and the contact of air guide hard tube top, be connected with expanding spring between slide damper and the fluting limiting plate, slide damper bottom surface fixedly connected with sliding partition frame, fluting limiting plate one side fixed mounting has fixed cylinder, slide partition frame and fixed cylinder slidingtype connection, slide partition frame passes the fluting limiting plate.
Further, still including liquid nitrogen container protection component, the slidingtype is connected with liquid nitrogen container protection component in the thermal-insulated protective frame, liquid nitrogen container protection component is including fixed stopper, the sliding wedge frame, the swinging bracket, slip stopper and coil spring, front side fixed mounting has fixed stopper in the thermal-insulated carriage, fixed stopper and this body contact of liquid nitrogen container, the slidingtype is connected with the sliding wedge frame in the thermal-insulated protective frame, it has the swinging bracket to articulate on the sliding wedge frame, the swinging bracket is articulated with the side baffle, the sliding stopper slidingtype is connected in the thermal-insulated protective frame, the sliding wedge frame and the sliding stopper contact each other, the sliding stopper contacts with this body of liquid nitrogen container, be connected with a pair of coil spring between sliding stopper and the thermal-insulated protective frame.
Further, fixed stopper and slip stopper are the hard rubber material and make, and fixed stopper and slip stopper are used for buffering it in the liquid nitrogen container body transportation to the life of extension liquid nitrogen container body.
The beneficial effects are that:
through the interior alcohol thermal expansion of fluting drum for L shape baffle will be hollow temporarily store up the frame bottom opening and open, the liquid nitrogen blowout of hollow temporarily storing up the frame refrigerates in to thermal-insulated carriage, guarantees that thermal-insulated carriage inside temperature is in the refrigerating condition, utilizes alcohol control refrigeration simultaneously can reduce power consumption, thereby reaches to refrigerate fresh-keeping for a long time to the goods of thermal-insulated carriage inside.
Through the effect of extrusion piece, extrusion piece intermittent type nature extrudees L shape baffle for the liquid nitrogen intermittent type nature blowout in the frame is stored up temporarily to the hollow, and the liquid nitrogen evenly refrigerates to thermal-insulated carriage is inside, prevents the inside local supercooling of thermal-insulated carriage.
Through the inside temperature of thermal-insulated carriage reduces gradually, and the extrusion piece promotes L shape baffle motion stroke and shortens gradually for hollow temporary storage frame bottom opening reduces, and the blowout liquid nitrogen volume reduces, thereby according to the inside temperature control liquid nitrogen blowout volume of thermal-insulated carriage, makes the inside constant temperature refrigeration state that keeps of thermal-insulated carriage.
Through the internal thread adjusting bracket who sets up, can adjust later stage extrusion piece and promote L shape baffle stroke to control liquid nitrogen blowout time, and then the minimum of control thermal-insulated carriage inside temperature.
Through the sliding baffle plate, the sliding baffle plate can control the air outlet of the air guide hard pipe to be opened or blocked according to the pressure in the hollow temporary storage frame, the spraying amount of liquid nitrogen sprayed into the hollow temporary storage frame is ensured to be consistent, and the spraying amount is prevented from being reduced when the liquid nitrogen amount in the liquid nitrogen tank body is small.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
FIG. 3 is a schematic view of a first partial body structure according to the present invention.
FIG. 4 is a schematic view of a second partial body structure according to the present invention.
FIG. 5 is a schematic perspective view of a portion of a nitrogen storage assembly according to the present invention.
FIG. 6 is a partially disassembled perspective view of the nitrogen storage assembly of the present invention.
FIG. 7 is a schematic view of a partial cross-sectional perspective view of a nitrogen storage assembly of the present invention.
FIG. 8 is a schematic view of a first partially separated body structure of the heat sensitive release assembly of the present invention.
Fig. 9 is an enlarged perspective view of the present invention a.
FIG. 10 is a schematic view of a second partially separated body structure of the heat sensitive release assembly of the present invention.
FIG. 11 is a perspective view of a third embodiment of the heat release assembly of the present invention.
Fig. 12 is a perspective view of a fourth part of a thermal release assembly of the present invention.
Fig. 13 is a schematic perspective view of a refrigeration temperature regulating assembly according to a first embodiment of the present invention.
Fig. 14 is a schematic perspective view of a second refrigeration temperature regulating assembly according to the present invention.
Fig. 15 is a schematic cross-sectional perspective view of the air pressure maintaining assembly of the present invention.
Fig. 16 is a partially cut-away perspective view of the air pressure retention assembly of the present invention.
Fig. 17 is a perspective view of a third embodiment of the present invention.
FIG. 18 is a schematic view of a first partially assembled body of the liquid nitrogen container protective assembly of the present invention.
FIG. 19 is a schematic diagram of a second partial body structure of the liquid nitrogen container protective assembly of the present invention.
Part names and serial numbers in the figure: 1_ loader, 21_ mounting base plate, 22_ insulated truck, 221_ side partition, 222_ insulated truck door, 23_ placing frame, 24_ liquid nitrogen tank body, 25_ hollow temporary storage frame, 26_ insulated protection frame, 3_ nitrogen storage component, 31_ air guide hard tube, 32_ air guide soft tube, 33_ support tube, 34_ screw connection frame, 35_ stopper rod, 36_ L-shaped partition, 37_ homing spring, 41_ sliding rail frame, 42_ spur rack, 43_ sliding support frame, 44_ servo motor, 45_ spur gear, 46_ slotted cylinder, 47_ sliding adjustment rod, 48_ support rod frame, 49_ support plate, 410_ extrusion block, 411_ return spring, 51_ stopper rod, 52_ stopper groove, 6_ temperature adjustment component, 61_ fixed support frame, 62_ internal thread adjustment frame, 63_ screw frame, 71_ slotted stopper plate, 72_ sliding baffle plate, 73_ telescoping spring, 74_ sliding partition shelf, 75_ fixed cylinder, 8_ liquid nitrogen tank protection component, 81_ fixed stopper, 82_ sliding wedge shelf, 83_ swing shelf, 84_ sliding stopper, 85_ coil spring.
Detailed Description
In order to make the technical solution and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A pure electric new energy liquid nitrogen refrigerator car is disclosed, as shown in figure 1, figure 2, figure 3, figure 4, figure 5, figure 6, figure 7, figure 8, figure 9, figure 10, figure 11, figure 12, figure 13, figure 15, figure 17 and figure 18, comprising a loading car 1, a mounting bottom plate 21, a heat insulation carriage 22, a side partition plate 221, a heat insulation door 222, a placing frame 23, a liquid nitrogen tank body 24, a hollow temporary storage frame 25, a heat insulation protection frame 26, a nitrogen storage component 3 and a heat sensing release component, wherein the loading car 1 is provided with the mounting bottom plate 21, the top surface of the mounting bottom plate 21 is fixedly provided with the heat insulation carriage 22, the left side of the heat insulation carriage 22 is connected with the side partition plate 221 in a hinge connection manner, the rear side of the heat insulation carriage 22 is connected with two heat insulation doors 222 in a hinge connection manner, the two heat insulation doors 222 are mutually contacted, the top surface of the mounting bottom plate 21 is fixedly provided with the placing frame 23, the liquid nitrogen tank body 24 for storing liquid nitrogen is placed on the placing frame 23, the hollow temporary storage frame 25 is fixedly mounted on the inner top surface of the heat insulation carriage 22, the heat insulation protection frame 26 used for separating the internal temperature of the heat insulation carriage 22 is fixedly mounted on the top surface of the mounting bottom plate 21, the heat insulation protection frame 26 is fixedly connected with the heat insulation carriage 22, the nitrogen storage assembly 3 used for conveying liquid nitrogen is arranged on the hollow temporary storage frame 25, and the bottom surface of the hollow temporary storage frame 25 is slidably connected with a heat sensitive release assembly.
The nitrogen storage component 3 comprises an air guide hard pipe 31, an air guide hose 32 and a support pipe 33, the liquid nitrogen storage device comprises a threaded connection frame 34, a limiting rod 35, L-shaped partition plates 36 and a homing spring 37, wherein a hollow temporary storage frame 25 is fixedly connected with an air guide hard tube 31 used for conveying liquid nitrogen, the air guide hard tube 31 penetrates through a heat insulation protection frame 26 and is communicated with an air guide hose 32 used for conveying liquid nitrogen, the bottom of the air guide hose 32 is communicated with a support tube 33, the bottom of the support tube 33 is rotatably connected with the threaded connection frame 34, the threaded connection frame 34 is connected with a liquid nitrogen tank body 24 in a threaded fit mode, the liquid nitrogen tank body 24 is convenient to detach, a plurality of pairs of limiting rods 35 are connected in the hollow temporary storage frame 25 in an evenly-arranged mode, the L-shaped partition plates 36 are connected on the limiting rods 35 in a sliding mode, the limiting rods 35 are used for limiting the L-shaped partition plates 36, two adjacent L-shaped partition plates 36 are in mutual contact, and a pair of homing springs 37 is connected between the L-shaped partition plates 36 and the hollow temporary storage frame 25.
The heat-sensing releasing component comprises a sliding slide rail frame 41, a straight rack 42, a sliding support frame 43, a servo motor 44, a straight gear 45, a slotted cylinder 46, a sliding adjusting rod 47, a support rod frame 48, a support plate 49, an extrusion block 410 and a return spring 411, wherein the bottom surface of the hollow temporary storage frame 25 is connected with the sliding slide rail frame 41 in a sliding way, one side of the sliding slide rail frame 41 is fixedly connected with the straight rack 42, the sliding support frame 43 is connected with the sliding slide rail frame 41 in a sliding way, the servo motor 44 for driving is fixedly arranged on the sliding support frame 43, the straight gear 45 is welded at the top end of an output shaft of the servo motor 44, the straight gear 45 is mutually meshed with the straight rack 42, the slotted cylinder 46 is fixedly arranged on the sliding support frame 43, the sliding adjusting rod 47 is connected with the sliding adjusting rod frame 46 in a sliding way, the support rod frame 48 is fixedly arranged on the sliding adjusting rod frame 48, five support plates 49 are fixedly arranged on the support rod frame 48, and five extrusion blocks 410 are connected on the support rod frame 48 in a sliding way, the pressing blocks 410 are used for pushing the L-shaped partition plate 36 to move towards the direction close to the air guide hard pipe 31, and a return spring 411 is connected between each adjacent pressing block 410 and the corresponding support plate 49.
Alcohol is stored in the slotted cylinder 46, liquid nitrogen is stored in the liquid nitrogen tank body 24 and is conveyed into the hollow temporary storage frame 25 through the supporting pipe 33, the air guide hose 32 and the air guide hard pipe 31, when goods are conveyed into the heat insulation carriage 22, the heat insulation carriage 22 needs to be refrigerated, a driver starts the servo motor 44, an output shaft of the servo motor 44 intermittently rotates clockwise and anticlockwise alternately, an output shaft of the servo motor 44 drives the spur gear 45 to rotate, the spur gear 45 drives the servo motor 44 and the device on the servo motor 44 to move towards the direction far away from or close to the heat insulation protective frame 26 under the action of the spur rack 42, the temperature in the heat insulation carriage 22 is high, the alcohol in the slotted cylinder 46 is heated and expands, the alcohol pushes the sliding adjusting rod 47 and the device on the sliding adjusting rod 47 to move towards the direction close to the air guide hard pipe 31, the extrusion block 410 pushes the L-shaped partition plate 36 to move towards the direction close to the air guide hard pipe 31 so as to open the bottom opening of the hollow temporary storage frame 25, the liquid nitrogen in the hollow temporary storage frame 25 is sprayed out to refrigerate the interior of the heat insulation carriage 22, the extrusion block 410 is separated from the previous L-shaped partition plate 36, the compressed reset spring 37 resets to drive the L-shaped partition plate 36 to move and reset away from the air guide hard tube 31, then the extrusion block 410 pushes the next L-shaped partition plate 36 to move towards the direction close to the air guide hard tube 31, the liquid nitrogen in the hollow temporary storage frame 25 is sprayed out intermittently, the liquid nitrogen uniformly refrigerates the interior of the heat insulation carriage 22, and local supercooling of the interior of the heat insulation carriage 22 is prevented.
When the temperature in the insulated compartment 22 is reduced, the alcohol in the slotted cylinder 46 contracts, so that the sliding adjustment rod 47 drives the support rod bracket 48 and the support plate 49 to move away from the air guide hard tube 31, the support plate 49 pulls the extrusion block 410 to move away from the air guide hard tube 31 through the return spring 411, so that the extrusion block 410 pushes the L-shaped partition plate 36 to shorten the moving stroke towards the direction close to the air guide hard pipe 31, the bottom opening of the hollow temporary storage frame 25 is reduced, the amount of the sprayed liquid nitrogen is reduced along with the reduction of the moving stroke, thereby controlling the amount of liquid nitrogen sprayed according to the temperature inside the insulated compartment 22, so that the inside of the insulated compartment 22 is kept in a constant temperature cooling state, when the temperature in the insulated compartment 22 is minimized, the extrusion block 410 does not extrude the L-shaped partition 36, so that the liquid nitrogen in the hollow temporary storage frame 25 is not ejected, when the vehicle is in park mode, the driver turns off the servo motor 44, causing the equipment to stop operating.
Example 2
On the basis of the embodiment 1, as shown in fig. 9, 11 and 12, the device further comprises an extrusion support assembly, the bottom of the hollow temporary storage frame 25 is provided with the extrusion support assembly, the extrusion support assembly is used for fixing the extrusion block 410, the extrusion support assembly comprises a limiting strip 51, the bottom of the hollow temporary storage frame 25 is provided with five limiting strips 51, the extrusion block 410 is provided with four limiting grooves 52, and the limiting strips 51 are used for limiting and fixing the extrusion block 410.
When the extrusion block 410 moves away from the heat insulation protection frame 26, the extrusion block 410 contacts with the limiting strip 51, then the limiting strip 51 is clamped into the limiting groove 52, so that the extrusion block 410 is fixed, then the extrusion block 410 pushes the L-shaped partition plate 36 to move towards the direction close to the air guide hard pipe 31, so that liquid nitrogen in the hollow temporary storage frame 25 is sprayed out, the operation is repeated, the liquid nitrogen in the hollow temporary storage frame 25 is intermittently sprayed out to refrigerate the heat insulation carriage 22, the reduction of the expansion coefficient of alcohol in the slotted cylinder 46 due to long-term use can be avoided, and meanwhile, the slotted cylinder 46 and the reset spring 411 are prevented from being damaged due to frequent use.
Example 3
On the basis of embodiment 2, as shown in fig. 13 and 14, the refrigerator further includes a refrigerating temperature adjusting assembly 6, the refrigerating temperature adjusting assembly 6 is disposed in the middle of the hollow temporary storage frame 25, the refrigerating temperature adjusting assembly 6 is used for controlling the lowest temperature value inside the heat insulation carriage 22, the refrigerating temperature adjusting assembly 6 includes a fixed support frame 61, an internal thread adjusting frame 62 and a screw rod frame 63, the fixed support frame 61 is disposed in the middle of the hollow temporary storage frame 25, the internal thread adjusting frame 62 convenient to rotate and adjust is rotatably connected to the fixed support frame 61, the screw rod frame 63 is connected to the internal thread adjusting frame 62 in a thread fit manner, and the screw rod frame 63 is fixedly connected to the top surface of the sliding rail frame 41.
The staff is according to the manual internal thread alignment jig 62 that rotates of demand, and internal thread alignment jig 62 drives screw frame 63 and the device motion towards being close to air guide hard tube 31 direction on it for later stage extrusion piece 410 promotes L shape baffle 36 longer towards being close to air guide hard tube 31 direction motion stroke, thereby control liquid nitrogen blowout time, and then the minimum of the inside temperature of control thermal-insulated carriage 22.
Example 3
Based on the embodiment 2, as shown in fig. 15 and 16, the liquid nitrogen storage device further includes an air pressure maintaining assembly, the air pressure maintaining assembly is fixedly installed on the inner bottom surface of the hollow temporary storage frame 25, the air pressure maintaining assembly is used for ensuring that the amount of liquid nitrogen sprayed into the hollow temporary storage frame 25 is consistent, the air pressure maintaining assembly includes a slotted limiting plate 71, a sliding baffle plate 72, an expansion spring 73, a sliding baffle frame 74 and a fixed cylinder 75, the slotted limiting plate 71 is fixedly installed on the inner bottom surface of the hollow temporary storage frame 25, the sliding baffle plate 72 is slidably connected above the slotted limiting plate 71, the slotted limiting plate 71 is used for limiting the sliding baffle plate 72, the sliding baffle plate 72 is in contact with the top of the air guide hard tube 31, the sliding baffle plate 72 is used for blocking the air outlet of the air guide hard tube 31, the expansion spring 73 for resetting is connected between the sliding baffle plate 72 and the slotted limiting plate 71, the sliding baffle frame 74 is fixedly connected to the bottom surface of the sliding baffle plate 72, a fixed cylinder 75 is fixedly installed at one side of the slotted stop plate 71, a sliding partition frame 74 is connected with the fixed cylinder 75 in a sliding manner, and the sliding partition frame 74 penetrates through the slotted stop plate 71.
After the liquid nitrogen is sprayed out of the hollow temporary storage frame 25, the pressure in the hollow temporary storage frame 25 is reduced, the stretched extension spring 73 is reset to drive the sliding partition plate frame 74 and the sliding baffle plate 72 to move towards the direction far away from the air guide hard tube 31, the sliding baffle plate 72 is not blocked by the air guide hard tube 31 air outlet, the liquid nitrogen in the air guide hard tube 31 is conveyed into the hollow temporary storage frame 25, and then the pressure in the hollow temporary storage frame 25 is increased, the pressure can push the sliding partition plate frame 74 and the sliding baffle plate 72 to move towards the direction close to the air guide hard tube 31, and the sliding baffle plate 72 blocks the air guide hard tube 31 air outlet, so that the spraying amount of the liquid nitrogen sprayed into the hollow temporary storage frame 25 is consistent, and the spraying amount is prevented from being reduced when the amount of the liquid nitrogen in the liquid nitrogen tank body 24 is small.
Example 3
On the basis of embodiment 2, as shown in fig. 17, 18 and 19, the liquid nitrogen container protection assembly 8 is further included, the liquid nitrogen container protection assembly 8 is connected in the heat insulation protection frame 26 in a sliding manner, the liquid nitrogen container protection assembly 8 is used for protecting the liquid nitrogen container body 24, the liquid nitrogen container protection assembly 8 includes a fixed limiting block 81, a sliding wedge-shaped frame 82, a swing frame 83, a sliding limiting block 84 and a coil spring 85, the fixed limiting block 81 is fixedly installed at the front side in the heat insulation carriage 22, the fixed limiting block 81 is in contact with the liquid nitrogen container body 24, the sliding wedge-shaped frame 82 is connected in the heat insulation protection frame 26 in a sliding manner, the swing frame 83 is hinged to the sliding wedge-shaped frame 82, the swing frame 83 is hinged to a side partition plate 221, the sliding limiting block 84 is connected in the heat insulation protection frame 26 in a sliding manner, the sliding wedge-shaped frame 82 is in contact with the sliding limiting block 84, the sliding limiting block 84 is in contact with the liquid nitrogen container body 24, the sliding wedge frame 82 is used for pushing a sliding limiting block 84, the fixed limiting block 81 and the sliding limiting block 84 are used for clamping and fixing the liquid nitrogen tank body 24, and a pair of coil springs 85 is connected between the sliding limiting block 84 and the heat insulation protection frame 26.
After the liquid nitrogen in the liquid nitrogen tank body 24 is used, a driver opens the side partition plate 221 to disassemble the used liquid nitrogen tank body 24, the side partition plate 221 drives the sliding wedge-shaped frame 82 to move towards the direction far away from the liquid nitrogen tank body 24 through the swing frame 83, the helical spring 85 in the stretching state resets to drive the sliding limiting block 84 to move towards the direction far away from the liquid nitrogen tank body 24, then, a new liquid nitrogen container body 24 is placed in the placing frame 23, then the side partition plates 221 are closed, the side partition plates 221 drive the sliding wedge-shaped frame 82 to move towards the direction close to the liquid nitrogen container body 24 through the swinging frame 83, the sliding wedge-shaped frame 82 pushes the sliding limiting block 84 to clamp the liquid nitrogen container body 24, and when the loading vehicle 1 runs and if the loading vehicle 1 is impacted, the liquid nitrogen container body 24 is fixed by the fixed limiting block 81 and the sliding limiting block 84, so that liquid nitrogen leakage caused by damage of the liquid nitrogen container body 24 can be avoided.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a pure electric new forms of energy liquid nitrogen refrigerator car, is including load wagon (1), its characterized in that still including: the loading vehicle (1) is provided with a mounting bottom plate (21), the top surface of the mounting bottom plate (21) is fixedly provided with a heat insulation carriage (22), the heat insulation carriage (22) is used for isolating the internal temperature from the outside, the left side of the heat insulation carriage (22) is connected with a side partition plate (221) in a hinge connection mode, the rear side of the heat insulation carriage (22) is connected with two heat insulation vehicle doors (222) in a hinge connection mode, the two heat insulation vehicle doors (222) are in mutual contact, the top surface of the mounting bottom plate (21) is fixedly provided with a placing frame (23), a liquid nitrogen tank body (24) used for storing liquid nitrogen is placed on the placing frame (23), the inner top surface of the heat insulation carriage (22) is fixedly provided with a hollow temporary storage frame (25), the hollow temporary storage frame (25) is used for storing and discharging the liquid nitrogen into the heat insulation carriage (22), the top surface of the mounting bottom plate (21) is fixedly provided with a heat insulation protection frame (26), the heat insulation protection frame (26) is fixedly connected with the heat insulation carriage (22), thermal-insulated protective frame (26) are used for insulating thermal-insulated carriage (22) inside temperature completely, are provided with nitrogen gas storage component (3) on hollow temporary storage frame (25), and nitrogen gas storage component (3) are used for saving the liquid nitrogen, and hollow temporary storage frame (25) bottom surface sliding connection has the sensible heat release subassembly, and the sensible heat release subassembly is used for the inside temperature of perception thermal-insulated carriage (22) and releases the liquid nitrogen.
2. A pure electric new energy liquid nitrogen refrigerator car as claimed in claim 1, characterized in that the hollow temporary storage frame (25) is made of heat insulating material, and the hollow temporary storage frame (25) is used for temporarily storing liquid nitrogen.
3. The pure electric new energy liquid nitrogen refrigerator car as claimed in claim 1, wherein the nitrogen storage component (3) comprises an air guide hard tube (31), an air guide hose (32), a support tube (33), a threaded connection frame (34), a limit rod (35), an L-shaped partition plate (36) and a homing spring (37), the air guide hard tube (31) is fixedly connected to the hollow temporary storage frame (25), the air guide hard tube (31) penetrates through the heat insulation protection frame (26) and is communicated with the air guide hose (32), the support tube (33) is communicated with the bottom of the air guide hose (32), the threaded connection frame (34) is rotatably connected to the bottom of the support tube (33), the threaded connection frame (34) is connected with the liquid nitrogen tank body (24) in a threaded fit manner, a plurality of pairs of limit rods (35) are connected to the hollow temporary storage frame (25) in an evenly arranged manner, the L-shaped partition plate (36) is slidably connected to the same pair of limit rods (35) together, two adjacent L-shaped partition plates (36) are mutually contacted, and a pair of return springs (37) is connected between the L-shaped partition plates (36) and the hollow temporary storage frame (25).
4. The pure electric new energy liquid nitrogen refrigerator car according to claim 1, wherein the heat-sensitive release assembly comprises a sliding rail frame (41), a spur rack (42), a sliding support frame (43), a servo motor (44), a spur gear (45), a slotted cylinder (46), a sliding adjusting rod (47), a support rod frame (48), a support plate (49), an extrusion block (410) and a return spring (411), the sliding rail frame (41) is slidably connected to the bottom surface of the hollow temporary storage frame (25), the spur rack (42) is fixedly connected to one side of the sliding rail frame (41), the sliding support frame (43) is slidably connected to the sliding rail frame (41), the servo motor (44) is fixedly mounted on the sliding support frame (43), the spur gear (45) is welded to the top end of an output shaft of the servo motor (44), and the spur gear (45) and the spur rack (42) are engaged with each other, slotted cylinder (46) fixed mounting is on sliding support frame (43), and sliding connection has sliding adjusting rod (47) on slotted cylinder (46), and fixed mounting has bracing piece frame (48) on sliding adjusting rod (47), and the rigid coupling has five backup pads (49) on bracing piece frame (48), and sliding connection has five extrusion piece (410) on bracing piece frame (48), is connected with reset spring (411) between adjacent extrusion piece (410) and backup pad (49).
5. The pure electric new energy liquid nitrogen refrigerator car as claimed in claim 4, wherein the extrusion block (410) is of a trapezoidal structure as a whole, and the trapezoidal inclined plane of the extrusion block (410) is used for pushing the L-shaped partition plate (36) in the linear motion process.
6. The pure electric new energy liquid nitrogen refrigerator car as claimed in claim 1, further comprising an extrusion support assembly, wherein the extrusion support assembly is arranged at the bottom of the hollow temporary storage frame (25), the extrusion support assembly comprises a limit strip (51), five limit strips (51) are arranged at the bottom of the hollow temporary storage frame (25), and four limit grooves (52) are formed in the extrusion block (410).
7. The pure electric new energy liquid nitrogen refrigerator car according to claim 1, further comprising a refrigeration temperature adjusting assembly (6), wherein the refrigeration temperature adjusting assembly (6) is arranged in the middle of the hollow temporary storage frame (25), the refrigeration temperature adjusting assembly (6) comprises a fixed support frame (61), an internal thread adjusting frame (62) and a screw rod frame (63), the fixed support frame (61) is arranged in the middle of the hollow temporary storage frame (25), the internal thread adjusting frame (62) is rotationally connected to the fixed support frame (61), the screw rod frame (63) is connected to the internal thread adjusting frame (62) in a thread fit manner, and the screw rod frame (63) is fixedly connected to the top surface of the sliding rail frame (41).
8. The pure electric new energy liquid nitrogen refrigerator car according to claim 1, further comprising an air pressure maintaining assembly, wherein the air pressure maintaining assembly is fixedly mounted on the inner bottom surface of the hollow temporary storage frame (25), the air pressure maintaining assembly comprises a slotted limiting plate (71), a sliding baffle (72), a telescopic spring (73), a sliding baffle frame (74) and a fixed cylinder (75), the slotted limiting plate (71) is fixedly mounted on the inner bottom surface of the hollow temporary storage frame (25), the sliding baffle (72) is connected above the slotted limiting plate (71) in a sliding manner, the sliding baffle (72) is in contact with the top of the air guide hard tube (31), the telescopic spring (73) is connected between the sliding baffle (72) and the slotted limiting plate (71), the sliding baffle frame (74) is fixedly connected to the bottom surface of the sliding baffle (72), and the fixed cylinder (75) is fixedly mounted on one side of the slotted limiting plate (71), the sliding clapboard frame (74) is connected with the fixed cylinder (75) in a sliding way, and the sliding clapboard frame (74) penetrates through the slotted limiting plate (71).
9. The pure electric new energy liquid nitrogen refrigerator car according to claim 1, further comprising a liquid nitrogen tank protection assembly (8), the heat insulation protection frame (26) is connected with the liquid nitrogen tank protection assembly (8) in an inner sliding manner, the liquid nitrogen tank protection assembly (8) comprises a fixed limiting block (81), a sliding wedge-shaped frame (82), a swing frame (83), a sliding limiting block (84) and a spiral spring (85), the fixed limiting block (81) is fixedly installed at the inner front side of the heat insulation carriage (22), the fixed limiting block (81) is in contact with the liquid nitrogen tank body (24), the heat insulation protection frame (26) is connected with the sliding wedge-shaped frame (82) in an inner sliding manner, the sliding wedge-shaped frame (82) is hinged with the swing frame (83), the swing frame (83) is hinged with the side partition plate (221), the sliding limiting block (84) is connected in the heat insulation protection frame (26) in a sliding manner, and the sliding wedge-shaped frame (82) is in contact with the sliding limiting block (84), the sliding limiting block (84) is in contact with the liquid nitrogen tank body (24), and a pair of spiral springs (85) is connected between the sliding limiting block (84) and the heat insulation protective frame (26).
10. The pure electric new energy liquid nitrogen refrigerator car as claimed in claim 9, wherein the fixed limiting block (81) and the sliding limiting block (84) are both made of hard rubber, and the fixed limiting block (81) and the sliding limiting block (84) are used for buffering the liquid nitrogen tank body (24) in the transportation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111305426.4A CN113734031A (en) | 2021-11-05 | 2021-11-05 | Pure electric new energy liquid nitrogen refrigerator car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111305426.4A CN113734031A (en) | 2021-11-05 | 2021-11-05 | Pure electric new energy liquid nitrogen refrigerator car |
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| Publication Number | Publication Date |
|---|---|
| CN113734031A true CN113734031A (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111305426.4A Pending CN113734031A (en) | 2021-11-05 | 2021-11-05 | Pure electric new energy liquid nitrogen refrigerator car |
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| Country | Link |
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| CN (1) | CN113734031A (en) |
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| CN117022094A (en) * | 2023-10-10 | 2023-11-10 | 连云港新集冷藏设备有限公司 | Liquid nitrogen type refrigerator car with built-in carriage |
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