CN217170422U

CN217170422U - Refrigerating unit all-in-one machine for refrigerator car

Info

Publication number: CN217170422U
Application number: CN202220474723.5U
Authority: CN
Inventors: 龚灿辉
Original assignee: Guangzhou Xuefeng Special Purpose Vehicle Co ltd
Current assignee: Guangzhou Xuefeng Special Purpose Vehicle Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-08-12
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a refrigerating unit all-in-one machine for refrigerator car belongs to the refrigerator car field, refrigerating unit all-in-one machine for refrigerator car includes evaporimeter and condenser, the condenser is located the back of evaporimeter, the evaporimeter includes heat transfer core, air outlet and inlet scoop, the air outlet is located the top of heat transfer core, the inlet scoop is located the below of heat transfer core, the bottom of inlet scoop is provided with the groove that gathers materials, it is provided with the feed liquor coil pipe to gather materials the inslot, the first end of feed liquor coil pipe with the liquid outlet of condenser links to each other, the second end of feed liquor coil pipe with the cryogen entry of heat transfer core links to each other. The refrigerating unit all-in-one machine for the refrigerator car not only can melt ice at the suction opening, but also can properly cool the refrigerant liquid of the liquid inlet coil, thereby improving the enthalpy value and the energy efficiency of the evaporator.

Description

Refrigerating unit all-in-one machine for refrigerator car

Technical Field

The utility model relates to a refrigerator car field especially relates to a refrigerator unit all-in-one machine for refrigerator car.

Background

The air conditioner of refrigerator carriage usually has evaporimeter and condenser to constitute, and its evaporimeter of traditional refrigerator carriage and condenser set up respectively, but this kind of structural arrangement pipeline is complicated, and the dismouting and the maintenance of very being unfavorable for the air conditioner, so current refrigerator carriage more and more adopts integral type refrigerating unit in order to solve above-mentioned problem.

Chinese patent publication No. CN215337253U discloses an integrated refrigeration unit for a refrigerator car, which comprises a compressor, a condenser, an expansion valve, and an evaporator, wherein the compressor, the condenser, the expansion valve, and the evaporator are connected in series by pipelines to form a refrigerant circulation loop, the refrigeration unit further comprises a heat-insulating cavity, the evaporator is placed in the heat-insulating cavity, an oil separator is arranged on the pipeline between the compressor and the condenser, and the oil separator separates lubricating oil in the pipeline and conveys the lubricating oil to the compressor; a pipeline between the condenser and the expansion valve is provided with a drying filter, and the drying filter filters and dries the refrigerant in the pipeline; and a gas-liquid separator is arranged on a pipeline between the evaporator and the compressor and is used for separating liquid in the pipeline. The vicinity of the suction opening of the evaporator of the air conditioner is easily frozen, so that moisture is accumulated at the vicinity, and thus, a water leakage phenomenon occurs after the refrigerating unit is thawed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a refrigerating unit all-in-one machine for refrigerator car is proposed, can not only melt ice to the suction opening, can suitably cool down to the refrigerant liquid of feed liquor coil pipe moreover to promote the enthalpy value and the efficiency of evaporimeter.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a refrigerating unit all-in-one machine for refrigerator car, including evaporimeter and condenser, the condenser is located the back of evaporimeter, the evaporimeter includes heat transfer core, air outlet and inlet scoop, the air outlet is located the top of heat transfer core, the inlet scoop is located the below of heat transfer core, the bottom of inlet scoop is provided with the groove of collection, the inslot of collection is provided with the feed liquor coil pipe, the first end of feed liquor coil pipe with the liquid outlet of condenser links to each other, the second end of feed liquor coil pipe with the cryogen entry of heat transfer core links to each other.

The utility model discloses a further technical scheme lies in, still including being used for fixing the fixing clip of feed liquor coil pipe, the feed liquor coil pipe comprises the many feed liquor pipes of making a round trip to buckle that set up side by side, the bottom of fixing clip sets up a plurality ofly and many the draw-in groove of the appearance looks adaptation of feed liquor pipe.

The utility model discloses a further technical scheme lies in, the fixing clip includes plate body and at least one fixed ear, at least one fixed ear all with the plate body is perpendicular, and with plate body fixed connection, be provided with the mounting hole on the fixed ear.

The utility model discloses a further technical scheme lies in, the subsides of feed liquor coil pipe are located the bottom in collection groove, the inboard of inlet scoop is provided with oblique guide board, the collection groove is located the bottom of oblique guide board.

The utility model discloses a further technical scheme lies in, the collection groove includes bottom plate, positive baffle and two side shields, two side shields respectively with the both ends of positive baffle link to each other, positive baffle and two the base of side shield is all fixed the outward flange department of bottom plate.

The utility model discloses a further technical scheme lies in, the side shield is close to the one end of oblique guide board is provided with oblique side shield, oblique side shield with the shape looks adaptation of oblique guide board.

The utility model discloses a further technical scheme lies in, the second end of feed liquor coil pipe with be provided with first type expansion valve on the pipeline that the cryogen entry of heat transfer core links to each other.

The utility model discloses a further technical scheme lies in, the first end of feed liquor coil pipe with second type expansion valve, drying bottle and liquid storage pot have set gradually on the pipeline that the liquid outlet of condenser links to each other.

The utility model discloses a further technical scheme lies in, be provided with a plurality of first fans in the air outlet, adjacent two be provided with the wind channel baffle between the first fan.

The utility model discloses a further technical scheme lies in, the condenser includes the radiator-grid of at least one and corresponding second fan, the second fan is located one side of radiator-grid.

The utility model has the advantages that:

the utility model provides a refrigerating unit all-in-one machine for refrigerator car, its air suction opening department at the evaporimeter is provided with the groove that gathers that can collect the drop of water, and be the feed liquor coil pipe with the inlet duct deformation, gather the heat transfer core body of groove circuitous back entering evaporimeter many times, this kind sets up the purpose and prevents on the one hand that the groove excessively freezes, because the air conditioner constantly chills to the refrigerator carriage, if there is the long-pending ice after groove department uses a period, along with constantly advancing of chilly can lead to the long-pending thicker of accumulated ice more, not only can influence induced drafting of inlet scoop for a long time, and can melt in a large number and can produce a large amount of water suddenly when the air conditioner is stopped, this obvious phenomenon of leaking appears easily, so because it has certain heat when the groove is gathered to the feed liquor coil pipe, the event can be to the groove ice that gathers. On the other hand, the refrigerant entering the heat exchange core body is properly cooled and fully precooled, so that the heat of the refrigerant of the liquid inlet coil pipe is more uniform, and the enthalpy value and the energy efficiency of the evaporator can be effectively improved.

Drawings

Fig. 1 is a perspective view of a refrigerating unit all-in-one machine according to an embodiment of the present invention;

FIG. 2 is a front view of an integrated refrigeration unit provided in an embodiment of the present invention;

FIG. 3 is a rear view of an integrated refrigeration unit provided in an embodiment of the present invention;

FIG. 4 is a side view of an integrated refrigeration unit provided in an embodiment of the present invention;

FIG. 5 is a partial schematic view of FIG. 1 provided in an embodiment of the present invention;

fig. 6 is a partial schematic view of a portion a of fig. 5 in accordance with an embodiment of the present invention.

In the figure:

1. an evaporator; 2. a condenser; 11. a heat exchange core body; 12. an air outlet; 13. an air suction opening; 14. collecting a groove; 15. a liquid inlet coil pipe; 16. fixing the card; 151. a liquid inlet pipe; 161. a card slot; 162. a plate body; 163. fixing the ear; 164. mounting holes; 31. an inclined guide plate; 141. a base plate; 142. a positive baffle; 143. a side dam; 431. an oblique side baffle; 18. a first type of expansion valve; 19. a second type expansion valve; 20. drying the bottle; 30. a liquid storage tank; 121. a first fan; 122. an air duct partition plate; 21. a heat-dissipating web; 22. a second fan; 3. a cover body.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 6, the refrigerating unit all-in-one machine for a refrigerator car provided in this embodiment includes an evaporator 1, a condenser 2, and a cover 3, where the evaporator 1 is fixed in the cover 3, and the condenser 2 is located outside the cover 3, that is, the condenser 2 is located at the back of the evaporator 1. The condenser 2 comprises at least one radiator net 21 and a corresponding second fan 22, and the second fan 22 is positioned on one side of the radiator net 21, so that the second fan 22 blows air to the radiator net 21, and the purpose of accelerating heat dissipation is achieved. The evaporator 1 comprises a heat exchange core body 11, an air outlet 12 and an air suction opening 13, wherein a plurality of first fans 121 are arranged in the air outlet 12, an air duct partition plate 122 is arranged between every two adjacent first fans 121, the air duct partition plate 122 is arranged to enable each first fan 121 to work independently and not to be interfered by other first fans 121, the air outlet 12 is arranged above the heat exchange core body 11, the air suction opening 13 is arranged below the heat exchange core body 11, air in a refrigerated compartment is sucked from the air suction opening 1 under the action of the first fans 121, and is blown out from the air outlet 12 after flowing through the heat exchange core body 11 for heat exchange, so that refrigeration of the refrigerated compartment is realized, a collecting groove 14 is arranged at the bottom of the air suction opening 13, and because the temperature near the heat exchange core body 11 is low, water is very easy to condense in the air, and the collecting groove 14 is just right arranged to collect water drops dropping on the heat exchange core body 11, avoid it to flow into in the refrigerator carriage, because near the temperature of heat transfer core 11 is lower, so just freeze easily behind the 14 pondings in collection groove, and along with the continuous cold deposition of refrigerating unit all-in-one is more thick more, not only can influence induced drafting of inlet scoop 13 like this for a long time, can melt in a large number and can produce a large amount of water suddenly when the air conditioner shuts down moreover, this obvious water leakage phenomenon appears just easily. In order to solve the problem, the application provides a refrigerating unit all-in-one machine for refrigerator car is provided with feed liquor coil 15 in collection groove 14, feed liquor coil 15's first end links to each other with the liquid outlet of condenser 2, feed liquor coil 15's second end links to each other with heat exchange core 11's cryogen entry, warp ordinary feed liquor pipeline among the prior art into feed liquor coil 15, feed liquor coil 15 can be many times in the heat exchange core 11 of entering evaporimeter 1 after collection groove 14 circuitous, so not only the heat of feed liquor coil 15 release can effectively prevent collection groove 14 transition to freeze, and carry out appropriate cooling and abundant precooling to accessible feed liquor coil 15 entering to heat exchange core 11's refrigerant, can make the heat of feed liquor coil 15's refrigerant more even, and then promote evaporimeter 1's enthalpy value and efficiency.

In order to fix liquid inlet coil 15 for the convenience, furtherly, the refrigerating unit all-in-one machine for refrigerator car that provides in this embodiment is still including the fixing clip 16 that is used for fixed liquid inlet coil 15, liquid inlet coil 15 comprises many feed liquor pipes 151 of making a round trip to buckle that set up side by side, fixing clip 16's bottom sets up a plurality of draw-in grooves 161 with the appearance looks adaptation of many feed liquor pipes 151, just in time with many feed liquor pipes 151 looks joints through a plurality of draw-in grooves 161, thereby realize spacing to every feed liquor pipe 151, also be spacing to whole liquid inlet coil 15. Further preferably, the fixing clip 16 includes a plate 162 and at least one fixing lug 163, the at least one fixing lug 163 is perpendicular to the plate 162 and is fixedly connected to the plate 162, a mounting hole 164 is provided on the fixing lug 163, the fixing clip 16 can be fixed through the mounting hole 164, and the fixing clip 16 is usually fixed on the bottom plate 141 of the collecting tank 14 after passing through the mounting hole 164 by a screw or a bolt, so that the liquid inlet coil 15 is attached to the bottom of the collecting tank 14. At this time, the inner side of the air suction opening 13 is provided with the inclined guide plate 31, that is, a part of the bottom of the cover body 3 is the inclined guide plate 31, the inclined guide plate 31 has a flow guiding function, the collecting groove 14 is located at the bottom of the inclined guide plate 31, and the inclined guide plate 31 can guide the air of the air suction opening 13 to blow towards the heat exchange core 11 and can also guide the water drops falling on the inclined guide plate 31 to flow into the collecting groove 14 located at the bottom of the inclined guide plate.

In order to facilitate the accumulation of liquid in the collecting tank 14, further, the collecting tank 14 includes a bottom plate 141, a front baffle 142 and two side baffles 143, the two side baffles 143 are respectively connected to two ends of the front baffle 142, the bottom edges of the front baffle 142 and the two side baffles 143 are fixed to the outer edge of the bottom plate 141, the front baffle 142 and the two side baffles 143 are perpendicular to the bottom plate 141, and meanwhile, the bottom of the inclined guide plate 31 can serve as a back baffle of the collecting tank 14, so that a container capable of collecting water droplets can be formed by the bottom plate 141, the front baffle 142, the two side baffles 143 and the bottom of the inclined guide plate 31, thereby achieving the purpose of preventing the evaporator 1 from dripping. Further preferably, one end of the side baffle 143 near the inclined guide plate 31 is provided with an inclined side baffle 431, the inclined side baffle 431 is matched with the shape of the inclined guide plate 31, and the inclined side baffle 431 can be matched with the inclined angle of the inclined guide plate 31, so that the side baffle 143 can be better matched with the bottom of the inclined guide plate 31 to enclose the container.

A second type expansion valve 19, a drying bottle 20 and a liquid storage tank 30 are sequentially arranged on a pipeline connecting a first end of the liquid inlet coil 15 and a liquid outlet of the condenser 2, wherein the second type expansion valve 19 mainly plays a role in flow pre-adjustment, the drying bottle 20 is used for absorbing water possibly existing in the refrigerant, and the liquid storage tank 30 is used for storing the refrigerant. A first type expansion valve 18 is arranged on a pipeline connecting the second end of the liquid inlet coil 15 and the refrigerant inlet of the heat exchange core body 11, and the first type expansion valve 18 mainly plays roles in throttling, reducing pressure and regulating flow.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides a refrigerating unit all-in-one machine for refrigerator car, includes evaporimeter (1) and condenser (2), condenser (2) are located the back of evaporimeter (1), its characterized in that:

the evaporator (1) comprises a heat exchange core body (11), an air outlet (12) and an air suction opening (13), wherein the air outlet (12) is positioned above the heat exchange core body (11), and the air suction opening (13) is positioned below the heat exchange core body (11);

the bottom of inlet scoop (13) is provided with collection groove (14), be provided with feed liquor coil pipe (15) in collection groove (14), the first end of feed liquor coil pipe (15) with the liquid outlet of condenser (2) links to each other, the second end of feed liquor coil pipe (15) with the cryogen entry of heat transfer core (11) links to each other.

2. A refrigerating unit all-in-one machine for a refrigerator car according to claim 1, wherein:

the liquid inlet coil pipe is characterized by also comprising a fixing clip (16) for fixing the liquid inlet coil pipe (15);

the liquid inlet coil pipe (15) is composed of a plurality of liquid inlet pipes (151) which are arranged side by side and bent back and forth;

the bottom of the fixing clip (16) is provided with a plurality of clamping grooves (161) matched with the shapes of the liquid inlet pipes (151).

3. A refrigerating unit all-in-one machine for a refrigerator car according to claim 2, wherein:

the fixing clip (16) comprises a plate body (162) and at least one fixing lug (163);

at least one fixing lug (163) is perpendicular to the plate body (162) and is fixedly connected with the plate body (162);

the fixing lug (163) is provided with a mounting hole (164).

4. A refrigerating unit all-in-one machine for a refrigerator car according to claim 1, wherein:

the liquid inlet coil pipe (15) is attached to the bottom of the collecting groove (14);

an inclined guide plate (31) is arranged on the inner side of the air suction opening (13);

the collecting groove (14) is positioned at the bottom of the inclined guide plate (31).

5. An all-in-one refrigerator unit for a refrigerator car according to claim 4, wherein:

the collecting groove (14) comprises a bottom plate (141), a positive baffle (142) and two side baffles (143);

the two side baffles (143) are respectively connected with two ends of the positive baffle (142);

the bottom edges of the positive baffle plate (142) and the two side baffle plates (143) are fixed at the outer edge of the bottom plate (141).

6. A refrigerating unit all-in-one machine for a refrigerator car according to claim 5, wherein:

one end of the side baffle (143) close to the inclined guide plate (31) is provided with an inclined side baffle (431);

the inclined side baffle (431) is matched with the shape of the inclined guide plate (31).

7. A refrigerating unit all-in-one machine for a refrigerator car according to claim 1, wherein:

and a first type expansion valve (18) is arranged on a pipeline connecting the second end of the liquid inlet coil (15) with a refrigerant inlet of the heat exchange core body (11).

8. A refrigerating unit all-in-one machine for a refrigerator car according to claim 3, wherein:

the first end of liquid inlet coil pipe (15) with second type expansion valve (19), drying bottle (20) and liquid storage pot (30) have set gradually on the pipeline that the liquid outlet of condenser (2) links to each other.

9. A refrigerating unit all-in-one machine for a refrigerator car according to claim 1, wherein:

a plurality of first fans (121) are arranged in the air outlet (12);

an air duct partition plate (122) is arranged between every two adjacent first fans (121).

10. A refrigerating unit all-in-one machine for a refrigerator car according to claim 1, wherein:

the condenser (2) comprises at least one radiator mesh (21) and a corresponding second fan (22);

the second fan (22) is positioned on one side of the heat dissipation net (21).