KR20030094028A - Cooling storage box - Google Patents

Abstract

An object of the present invention is to provide a cooling reservoir in which a duct structure is simplified while forming two temperature zones in a storage chamber in one cooling reservoir of the present invention.

In the cold storage R, the storage compartment 2 is comprised in the heat insulation box member 1, and the inside of the storage compartment 2 is cooled by the latent heat of fusion of the coolant 18, and the shaft which accommodates the coolant 18 is carried out. The cold chamber 17, the partition plate 5 which partitions the inside of the storage chamber 2 into a plurality of chambers, and the discharge duct 9 for supplying the cold air cooled by the coolant 18 to each partitioned chamber 2A, 2B. ), A communication port formed in the partition plate 5 to communicate each chamber 2A, 2B, a suction port communicating the lower storage chamber 2B and the cold storage chamber 17, and each chamber based on the temperature of each chamber. It is provided with the control apparatus and temperature sensors 22A and 22B which adjust independently the quantity of cold air supply of this.

Description

Cooling Storage {COOLING STORAGE BOX}

TECHNICAL FIELD This invention relates to the cold storage which keeps a storage chamber low temperature using a cool storage agent.

Conventionally, this kind of cold storage is used in a low temperature goods transport system, for example. In this logistics system, since an AC power source cannot be used during transportation of the cold storage, a battery is mounted in the cooling storage, and a coolant is disposed in the heat insulation box member of the cold storage, and the cold air cooled by the latent heat of fusion of the cold storage. Is circulated and cooled to a storage chamber by a direct current (DC) blower supplied from the battery.

Moreover, the temperature detection means which detects the temperature in a storage chamber is provided in the storage chamber, and the output of this temperature detection means cools the inside of a storage chamber to predetermined temperature, ie, the temperature of freezing or refrigeration.

However, as mentioned above, since only one temperature zone is provided in the cold storage, when there are small quantities of the goods, both refrigeration and refrigeration had to be mounted on the delivery means. .

Thus, in order to accommodate both refrigeration and refrigeration articles in one refrigerated reservoir, for example, as disclosed in Japanese Patent Laid-Open No. 2001-272163, a partition plate is provided in the storage compartment of the cold reservoir to form a freezer compartment and a cold compartment. In addition, a cooling reservoir for cooling the inside of the freezing chamber by the latent heat of fusion of the cool storage agent has been developed.

However, in the conventional cold storage having two temperature ranges, the ducts for inhaling cold air from each chamber are constructed, which leads to a complicated structure resulting in an increase in cost, and in particular, damage in strict use environments such as logistics equipment. There was also a problem that caused a malfunction.

Therefore, an object of the present invention is to provide a cooling reservoir in which a duct structure is simplified while forming two temperature zones in a storage chamber with one cooling reservoir.

1 is a perspective view of a cold reservoir of the present invention.

Figure 2 is a longitudinal side view of the cold reservoir of Figure 1;

Figure 3 is a longitudinal front view of the cold reservoir of Figure 1;

Figure 4 is a perspective view of the partition member of the cold reservoir of Figure 1;

Fig. 5 is an enlarged plan sectional view of the butt portion of the door of the cold reservoir of Fig. 1;

Fig. 6 is a longitudinal side view of the partition member of the cooling reservoir of Fig. 1 being removed;

Figure 7 is a longitudinal front view showing another embodiment of the duct structure of the cold storage of the present invention.

Figure 8 is a longitudinal side view showing yet another embodiment of the duct structure of the cold storage of the present invention.

Figure 9 is an enlarged plan sectional view showing another embodiment of the structure of the door butt portion of the cold storage room of the present invention.

Figure 10 is an enlarged plan sectional view showing yet another embodiment of the structure of the door butt portion of the cold store of the present invention.

Figure 11 is a longitudinal side view of yet another embodiment of the cold storage of the present invention.

12 is a longitudinal front view of the cold reservoir of FIG.

FIG. 13 is a bottom perspective view of the partition member of the cooling reservoir of FIG.

<Explanation of symbols for the main parts of the drawings>

R: Cooling Reservoir

1: insulation box member

2: storage room

2A: Upper Storage Room

2B: Lower Storage Room

3: machine room

4: wheel

5: partition member

7, 7A: duct plate

8: occlusion plate

9: discharge duct

10A, 10B: cold air outlet

11: middle intake

12A, 12B: Blower

13: communication port

14: slide plate

15A, 15B: Door

16: heat insulation partition plate

17: cold storage room

18: coolant

21: suction port

22A, 22B: Temperature Sensor

37, 41: heat insulation

42: guide duct

43: cold air inlet

44: weather vane

49: inlet guard

In the cold storage of the present invention, the storage compartment is formed in the heat insulation box member, and the inside of the storage chamber is cooled by the latent heat of fusion of the coolant, the storage chamber for storing the coolant, a partition member for partitioning the storage compartment into a plurality of rooms, A discharge duct for supplying cold air cooled with a coolant to each compartment, a communication port formed in the compartment member to communicate each compartment partitioned with the compartment member, a chamber located at the side of the compartment cooling compartment, and the shaft Since the inlet which communicates a cold room and the temperature control means which adjusts the supply amount of cold air to each room independently based on the temperature of each room, each room partitioned by a partition member is controlled independently by different temperature, and each room The objects requiring cooling at different temperature zones can be accommodated in each. In addition, collapse of the storage becomes less likely to occur.

In particular, the cold air of the chamber, not the storage compartment side, of each compartment partitioned by the partition member flows into the chamber of the storage compartment side from the communication port of the compartment member and is sucked into the storage compartment from the suction port together with the cooling air of the compartment. The duct structure is simplified to reduce costs and improve durability.

In the invention of claim 2, since the cold air flow rate adjusting means is provided in the communication port in addition to the above, for example, the cold air flow rate adjusting means of the communication port is used by the cold air flow rate adjusting means in a situation where the outside air temperature is low when the yarn which is not the side of the cold storage chamber is a higher temperature. By reducing the flow rate of cold air, it becomes possible to effectively prevent overcooling of the refrigerating compartment. On the other hand, when both yarns are used at the same temperature, the so-called pulldown characteristics are improved by increasing the amount of cold air flowing through the communication port.

In the invention of claim 3, in addition to the above-described inventions, the discharge duct is configured to supply the coolant cooled by the coolant to the chamber located on the coolant chamber side, and then to the other chamber. It is possible to improve the temperature controllability in the refrigerating chamber by raising the cold air temperature to the refrigerating compartment when the refrigeration chamber having a higher temperature is used and the chamber on the side of the cold storage chamber is a freezing chamber having a lower temperature.

In the invention of claim 4, the cold air is provided at a position corresponding to each chamber of the discharge duct, respectively, and the cold air is discharged for supplying cold air to each chamber, and the cold air is formed in the partition member and supplied to the chamber located on the side of the cold storage chamber. And a guide duct for guiding the discharge to the discharge duct on the other side, and the cold air inlet of the guide duct is formed at a position separated from the cold air outlet of the chamber located on the side of the cold storage chamber. No other thread is reached. This makes it possible to prevent the other chamber from falling into the supercooled state without installing a temperature guarantee heater or the like in the other chamber.

In the invention of claim 5, in the cold air inlet of the guide duct, a wind direction plate projecting in a direction away from the cold air discharge port of the chamber located on the cold storage chamber side is provided. It becomes possible to solve the problem leading to it further favorably.

In the invention of claim 6, since the burring process is performed at the cold air inlet of the guide duct in accordance with the invention of claim 4 or 5, the flow of cold air sucked from the cold air inlet can be arranged to smoothly supply the cold air to the other chamber. At the same time, it is possible to improve the strength around the cold air inlet.

In the seventh aspect of the present invention, in addition to the above-described inventions, the communication port is short-circuited to the partition member, so that the communication port is blocked by an article loaded on the partition member, and even when a large amount of articles are stored in another chamber. Cold circulation can be secured.

According to the eighth aspect of the invention, each of the inventions is formed at a position corresponding to an upper portion of each chamber of the discharge duct, and is provided with a cold air discharge port for supplying cold air to each chamber, and each cold air discharge port is directed downward. Similarly, the problem that each cold air discharge port is blocked by the articles stored in each chamber can be avoided, and the cold air circulation can be ensured even when a large amount of articles are stored in each chamber.

In the invention of claim 9, in addition to the above-described inventions, the suction port is provided with a suction port guard protruding to the storage chamber side, so that a large amount of the article is stored in the chamber by avoiding the problem that the suction port is blocked by the article stored in the chamber of the cold storage chamber side. Even when the cold air circulation can be secured.

In the invention of claim 10, in addition to the above-described inventions, the partition member is detachable and can be stored along the wall surface of the storage chamber in a detached state. Thus, by removing the partition member in accordance with the intended use, The storage space can be expanded. In addition, since there is no need to secure a storage place at the time of removal, parts management becomes easy.

According to the eleventh aspect of the present invention, in addition to the above, a partition member is provided with a mounting member detachably stacked, and since a heat insulating material is provided on an upper surface of the mounting member, the partition member can be stably held and partitioned by the partition member. Insulation between each chamber can be effectively performed.

According to a twelfth aspect of the present invention, in addition to the above-described inventions, a pair of opening doors are provided to close and close the opening of the storage compartment, and when the two doors are closed, the side surfaces of the doors are in contact with each other. In addition, the door can be opened and closed, and the mutual contact area of both doors can be increased to prevent leakage of cold air, thereby improving heat insulation performance with a simple configuration.

In the invention of claim 13, in addition to the above, the side surfaces of both doors are stepped, so that the contact area of both doors can be enlarged to further improve the thermal insulation performance. In particular, in this case, processing of the door is also relatively easy, so that deterioration of productivity is also prevented.

In the invention of claim 14, in addition to the invention of claim 12, the side surfaces of both doors are inclined, so that the contact area of both doors can be enlarged, and the heat insulating performance can be further improved. In particular, in this case, since the force which closes the door of the side which overlaps on the outer side acts in the direction which closely contacts both doors, heat insulation performance improves further.

In the invention of claim 15, the heat insulating performance between the two doors is further improved because any one of the inventions according to claim 12, 13 or 14 is provided with the heat insulating material in contact with each other when the doors are closed on the side surfaces of both doors. .

Hereinafter, the cold storage (R) of the present invention will be described with reference to FIG. Fig. 1 is a perspective view of the cold storage room R of the present invention, Fig. 2 is a longitudinal side view thereof, and Fig. 3 is a longitudinal front view thereof.

The refrigerated storage (R) of the embodiment performs the refrigeration operation of operating the compressor to freeze the coolant by receiving the AC power in the state where the AC power is connected in the delivery base, and at the same time, storing the articles such as food (package). Is stored in a loading box of a truck such as a track while the AC power is cut, and during the delivery, a cold air preservation operation is performed to circulate and cool the cold air cooled by the latent heat of fusion of the coolant to the storage compartment. It is a cold storage.

The cooling reservoir R is composed of a heat insulating box member 1 that is opened on the front face, and in the heat insulating box member 1, a storage chamber 2 for storing an article is formed, and the storage chamber 2 is provided. A pair of opening and closing doors 15A and 15B for opening and closing are provided on the front face of the door, and the machine room 3 is formed below the heat insulation box member 1. Further, the four wheels 4... Are provided at four corners of the lower surface of the cooling reservoir R. As shown in FIG.

Reference numeral 31 denotes a panel that can be opened and closed to cover the front face of the machine room 3, and the panel 31 is provided with a ventilation slit 32. Moreover, from this panel 31, the temperature control knob 33A, 33B connected to the control apparatus which is not shown in figure is provided toward the front.

In addition, in the storage chamber 2, the partition member 5 comprised by the heat insulation panel for partitioning the inside of the storage chamber 2 up and down is detachably attached. As a result, an upper storage chamber 2A (another chamber) is formed above the partition member 5, and a lower storage chamber 2B (a chamber on the side of the cold storage chamber) is formed below the partition member 5. In addition, each of the upper storage chamber 2A and the lower storage chamber 2B is provided with temperature sensors 22A and 22B for detecting the temperatures of the chambers 2A and 2B, respectively, and these temperature sensors 22A and 22B. Is connected to the above-mentioned control apparatus. And this partition member 5 is hold | maintained by loading on the upper surface of the substantially L-shaped attachment opening 6 of the cross section attached to the inner wall of the storage chamber 2. As shown in FIG.

Moreover, the duct board 7 is attached to the storage chamber 2 at intervals between the heat insulation box members 1 on the left side, and the discharge duct (between the duct plate 7 and the heat insulation box member 1) is attached. 9) is configured. In the duct plate 7, a plurality of intermediate suction ports 11 are provided side by side in a slit shape corresponding to the lower side of the partition member 5, and the discharge ducts 9 corresponding to the lower edges of the intermediate suction ports 11 are provided. In the c), a blocking plate 8 is provided to partition the inside of the discharge duct 9 up and down.

The upper and lower discharge ducts 9 correspond to the sides of the chambers 2A and 2B, respectively, and the cold air discharge ports 10A correspond to the upper portions of the respective portions of the discharge ducts 9 divided up and down. , 10B are formed and opened in the upper portions of the chambers 2A, 2B. In addition, blower 12A, 12B is provided in each cold air discharge port 10A, 10B, respectively. The suction side of each blower 12A, 12B communicates in the discharge duct 9 partitioned up and down as mentioned above, and the discharge side communicates with the said upper storage chamber 2A and the lower storage chamber 2B, respectively. The blowers 12A and 12B are each driven by a battery 25 installed in the machine room 3.

On the right side of the partition member 5, a plurality of slit communication ports 13 communicating with the upper and lower storage chambers 2A and 2B are formed. This communication port 13 is short-circuited as shown in FIG. 4, and the slide plate 14 is attached to this short-circuited part as a cold air flow volume adjustment means which can slide back and forth.

The slide plate 14 is also provided with a plurality of slit-type through holes 14A. In the state where the slide plate 14 is slid and the respective through holes 14A coincide with the communication holes 13, the communication holes ( In the state where 13 is fully opened and the through-hole 14A and the communication port 13 are completely shifted, the communication port 13 is fully closed by the slide plate 14. The position of the slide plate 14 can be arbitrarily adjusted between such a full opening and a full closing of the communication port 13.

Moreover, since the communication port 13 is short-circuited, even if a large quantity of articles are loaded on the partition member 5, the problem that the communication port 13 is clogged is avoided.

In addition, the bottom surface front part of the storage compartment 2 (lower storage compartment 2B) is short-circuited in step shape, and the said thermal insulation partition plate 16 is provided in the said short-circuit part at predetermined intervals with the bottom surface of the heat insulation box member 1. As a result, the storage compartment 2 and the storage refrigeration chamber 17 which are partitioned off by the lower part of the front side of the heat insulation box member 1 are comprised. The lower storage chamber 2B is located at the side of the cold storage chamber 17 of the partition member 5. In this cool storage chamber 17, a plurality of plate-shaped cool storage 18 is provided at intervals, respectively, over the left and right. In addition, in these heat storage coolers 18, it is cooled by the cooler 20 which comprises a cooling apparatus with the compressor 19, the condenser 23, and the condenser blower 24 provided in the machine room 3.

In addition, a suction port 21 is formed on the right side toward the heat insulation partition plate 16. The suction port 21 communicates with the upper side of the storage chamber 2 (lower storage chamber 2B) and the right side of the lower storage chamber 17. In addition, the discharge duct 9 communicates with the left side toward the cold storage chamber 17.

5 shows an enlarged plan sectional view of the butt portion of the doors 15A and 15B. The doors 15A and 15B are heat-insulated doors filled with heat-insulating material therein, and gaskets 36 in close contact with the periphery of the opening of the heat-insulating box member 1 are attached to the periphery of the inner surface thereof. Moreover, the heat insulating material 37 is attached to each side surface which each door 15A, 15B opposes. The heat insulating material 37 has a predetermined elasticity, and the doors 15A and 15B are substantially brought into contact with their side surfaces by contacting each other in a state where both the doors 15A and 15B are closed.

Since the doors 15A and 15B are opening and closing, the size per door is smaller than that of the single door type, so that the doors 15A and 15B can be easily opened and closed even in a narrow space such as a loading box of a truck. In addition, since the side surfaces of the doors 15A and 15B come in contact with each other and the heat insulating materials 37 and 37 are interposed between the doors 15A and 15B, the cold air from the butted parts of the two doors 15A and 15B. Leakage is effectively prevented to improve thermal insulation performance.

On the other hand, the control device includes the temperature sensor 22A for detecting the temperature of the upper storage chamber 2A, the temperature sensor 22B for detecting the temperature of the lower storage chamber 2B, and the temperature regulating knobs 33A, 33B. ) Are connected, and the blowers 12A and 12B are controlled based on these outputs. The temperature control knobs 33A and 33B set the temperature in the upper storage chamber 2A and the lower storage chamber 2B, and correspond to the control by the temperature sensors 22A and 22B, respectively.

With the above structure, the cooling storage R receives the supply of alternating current power in the state in which the alternating current power supply is connected in the delivery base, and operates the compressor 19 to freeze the coolant 18. And after storing goods, such as food, in the cold storage R, it is loaded in the loading box of trucks, such as a track, in the state which cut | disconnected AC power, and cooled by the latent heat of fusion of the coolant 18 during the said delivery. Cool air is circulated to the storage chamber 2 to cool.

At this time, when the user preliminarily sets the inside of the storage compartment 2, for example, to freeze and refrigerate, the partition member 5 is installed in the attachment port 6 so that the upper part is opened by the temperature adjusting knobs 33A and 33B. The storage chamber 2A is set to the temperature range of refrigeration (used as a refrigerating chamber), and the lower storage chamber 2B is set to the temperature range of refrigeration (used as a freezing chamber). Thereby, the operation of the blowers 12A and 12B is controlled by the control device.

Next, the flow of cold air in the storage chamber 2 will be described. When the blowers 12A and 12B of the upper storage chamber 2A and the lower storage chamber 2B are operated by the control device, respectively, they are cooled by the latent heat of fusion of the refrigerant accumulating agent 18 frozen in the cold storage chamber 17. The cold air is raised by the blower 12B in the discharge duct 9 below the blocking plate 8 and then discharged into the lower storage chamber 2B.

In addition, the cold air in the lower storage chamber 2B is sucked from the intermediate suction port 11... By the blower 12A, lifts up the inside of the discharge duct 9 above the obstruction plate 8, and then discharges it into the upper storage chamber 2A. do. The cold air circulated in the upper storage chamber 2A returns to the lower storage chamber 2B from the communication port 13 (which is opened by the slide plate 14) of the partition member 5. After the cool air discharged into the lower storage chamber 2B circulates in the lower storage chamber 2B, the cold storage chamber 17 is formed from the inlet 21 of the heat insulation partition plate 16 together with the cool air introduced from the communication port 13. Return to me. The cold air returned to the cold storage chamber 17 passes through the cold storage agent 18, exchanges heat, and after cooling, repeats the circulation sucked into the discharge duct 9 as described above.

At this time, the temperature in the upper storage compartment 2A and the lower storage compartment 2B is detected by the temperature sensors 22A and 22B, and the control unit is set to the temperature of each chamber and the temperature set by the temperature regulating knobs 33A and 33B. Operation of the blowers 12A and 12B is controlled by this. As a result, the inside of the upper storage chamber 2A is controlled to be a refrigerating chamber which is a temperature range of refrigeration, and the inside of the lower storage chamber 2B is controlled to a freezing chamber which is a temperature range of refrigeration.

In particular, since the cool air after being discharged into the lower storage chamber 2B is supplied through the discharge duct 9 in the upper storage chamber 2A serving as the refrigerating chamber, the temperature is relatively high. As a result, the temperature controllability of the upper storage chamber 2A is improved.

Here, especially in low temperature seasons, such as winter, even if the blower 12A is stopped, the inside of 2 A of upper storage rooms may fall below the refrigerating temperature range. In such a case, when the slide plate 14 is slid to make the communication ports 13... Completely closed, the circulation of cold air in the upper and lower chambers can be prevented, so that supercooling of the upper storage chamber 2A can be prevented or alleviated.

In the above-described example, although the upper storage chamber 2A is used as the refrigerating chamber and the lower storage chamber 2B as the freezing chamber, the two storage chambers 2A and 2B are controlled under the same temperature range of refrigeration or freezing. It is possible. In that case, both temperature adjusting knobs 33A and 33B are set to the same temperature range. In this case, when the communication holes 13 are opened in the open state by the slide plate 14, the cool air flows up and down the partition member 5, and thus the pull-down characteristics and the temperature controllability of the upper storage chamber 2A are improved. Is improved.

Here, when the inside of the storage chamber 2 is to be expanded and used within the storage chamber 2 as one temperature zone, the partition member 5 may be removed. In this case, both temperature adjusting knobs 33A and 33B are set to the same temperature. Moreover, when the switch which detects the presence or absence of the partition member 5 is provided, it can switch to control only by any one of the temperature sensors 22A and 22B automatically by a control apparatus.

Here, the size of the partition member 5 is smaller than the bottom surface and the back surface of the storage chamber 2, and in the removed state, the back surface and the bottom surface of the storage chamber 2 (insulation partition plate 16) as shown in FIG. It can be accommodated according to the above. Thereby, there is no concern about the storage location when it is removed, so the parts management becomes easy.

11 to 13 show a cooling reservoir R of another embodiment of the present invention. In addition, in each figure, the same code | symbol as FIG. 1 thru | or 6 shall have the same or same function. In addition, the compressor 19 etc. are similarly provided in the machine room 3.

In this case, the heat insulating material 41 is attached to the upper surface of the attachment opening 6, and the partition member 5 is mounted and detachably attached to the attachment opening 6 via the two heat insulating materials 41. FIG. By such a heat insulating material 41, the heat insulating performance between each chamber 2A, 2B becomes further favorable.

In addition, the guide duct 42 is recessed and formed in the lower surface of the partition member 5 to the left and right, and the partition member 5 is mounted in the attachment opening 6 toward the guide duct 42. The left end portion communicates with the intermediate suction port 11 of the duct plate 7. In addition, a plurality of cold air inlets 43 are formed at the right end toward the guide duct 42, and a burring process is provided around the respective cold air inlets 43 to protrude toward the guide duct 42.

In addition, the cold air inflow port 43 of the guide duct 42 is left toward the communication port 13, and is formed in the position spaced apart from the cold air discharge port 10B. On both sides of the cold air inlet 43, wind direction plates 44 and 44 are formed to protrude toward the right side of the inclined lower side, that is, away from the cold air discharge port 10B (not shown in FIG. 13).

In this case, each of the cold air discharge ports 10A, 10B and each of the blowers 12A, 12B located at the upper left of each of the chambers 2A, 2B are directed downward. Thereby, the problem that the cold air discharge ports 10A, 10B are clogged even when a large amount of articles are stored in each chamber 2A, 2B can be avoided.

In addition, a lowering duct 47 is formed on the right side of the lower storage chamber 2B at a position corresponding to the lower side of the communication port 13 by a duct plate 46, and an upper end of the lowering duct 47 is a communication port ( 13) It communicates corresponding to the lower side, and the lower end part is opened in the lower storage chamber 2B by the cold air | gas outlet 48 directed to the downward inclination right side. By opening the cold air outlet 48 inclined downward in this manner, the problem of being blocked by the article is avoided.

The cold air outlet 48 corresponds to the upper side of the suction port 21. In addition, a suction port guard 49 protruding toward the storage chamber 2 is attached to the suction port 21, whereby the suction port 21 is blocked even when a large amount of articles are loaded on the heat insulation partition plate 16. The problem is to be avoided.

With the above structure, the flow of cold air in the storage chamber 2 in this case is demonstrated. When the blowers 12A and 12B of the upper storage chamber 2A and the lower storage chamber 2B are operated by the control device, respectively, they are cooled by the latent heat of fusion of the refrigerant accumulating agent 18 frozen in the cold storage chamber 17. The cool air rises in the discharge duct 9 below the blocking plate 8 by the blower 12B, and is then discharged downwardly inward toward the lower storage chamber 2B.

In addition, the cold air discharged into the lower storage chamber 2B circulates inside. The cold air reaching the upper right side in the lower reservoir 2B is sucked into the guide duct 42 of the partition member 5 by the blower 12A from the cold air inlet 43, and passes through the intermediate suction port 11. ), And after raising the inside of the discharge duct 9 above the blocking plate 8, it is discharged inclined downward toward 2 A of upper storage chambers.

Since the cold air inlet 43 is spaced apart from the cold air outlet 10B, the problem that the cold air discharged from the cold air outlet 10B into the lower storage compartment 2B directly reaches the upper storage compartment 2A can be solved. In particular, since the wind direction plates 44 and 44 protrude in a direction away from the cold air discharge port 10B, the cold air inlet 43 allows the cold air after circulating the inside of the lower storage chamber 2B to some extent. In addition, since the cold air inlet 43 is burring, the flow chart of the cold air flowing into the guide duct 42 is arranged, and the cold air supply to the upper storage chamber 2A is smoothly performed.

The cold air circulated in the upper storage chamber 2A enters the descending duct 47 from the communication port 13 (presumably opened by the slide plate 14) of the partition member 5, and enters the cold air outlet 48. ) Into the lower reservoir 2B. On the other hand, the cold air discharged into the lower reservoir 2B is circulated in the lower reservoir 2B, and then passes through the inlet guard 49 of the heat insulation partition plate 16 together with the cool air introduced from the cold air outlet 48. And return to the cold storage chamber 17 from the suction port 21. The cold air returned to the cold storage chamber 17 passes through the cold storage agent 18 to be heat exchanged and cooled, and then repeats the circulation sucked into the discharge duct 9 as described above.

In addition, a temperature control system is the same as that mentioned above. The same applies to the short circuit shape of the communication port 13. And when the partition member 5 is removed and mounted on the heat insulation partition plate 16 of the bottom surface of the storage compartment 2, the short circuit shape of this communication port 13 matches the inlet guard 49, and communicates with the communication port ( 13 corresponds to the suction port 21.

Thus, in the cold storage R of this invention, the storage chamber 2 is comprised in the heat insulation box member 1, and the inside of the storage chamber 2 is cooled by the latent heat of fusion of the cool storage agent 18, The coolant 18 is stored in the cold storage chamber 17 which accommodates 18, the partition member 5 which divides the inside of the storage chamber 2 into the plurality of chambers 2A, 2B, and each compartment 2A, 2B partitioned. A discharge port 9 for supplying cold air cooled by the furnace, a communication port 13... Which is formed in the partition member 5 and communicates with each of the chambers 2A, 2B partitioned by the partition member 5; Control to independently control the amount of cold air supplied to each of the chambers 2A and 2B based on the temperature of the chambers 2A and 2B and the suction port 21 communicating the divided lower storage compartment 2B and the cold storage chamber 17. Since the apparatus and the blower 12A, 12B are provided, each chamber 2A, 2B partitioned by the partition member 5 is controlled independently by different temperature, and it cools in each chamber 2A, 2B in a different temperature range. Needing Each item can be stored. In addition, since the partition member 5 can be used by dividing the inside of the storage chamber 2 up and down, collapse of the stored article also hardly occurs.

In particular, the cold air of the upper storage compartment 2A partitioned by the partition member 5 flows into the lower storage compartment 2B from the communication port 13... Of the partition member 5, and together with the cold air of the lower storage compartment 2B. Since it is sucked from 21 to the storage cooling chamber 17, it is not necessary to form the return duct for circulating cold air, and the duct structure is simplified, and cost reduction and durability can be aimed at.

In addition, since the slide plate 14 is provided in the communication port 13, when the upper storage compartment 2A is a refrigerating chamber as described above, the cold air flow rate of the communication port 13 is reduced by reducing the outside air temperature. It is possible to effectively prevent overcooling of the refrigerating compartment. On the other hand, when using both chambers 2A and 2B at the same temperature, the so-called pulldown characteristic is improved by increasing the amount of cold air flow through the communication port 13.

11 to 12, the guide duct 42 is formed in the partition member 5 so that the cold air inlet 43 of the guide duct 42 is separated from the cold air outlet 10B of the lower storage chamber 2B. If formed in the heat sink, the cold air supplied to the lower storage chamber 2B does not directly reach the upper storage chamber 2A. As a result, the upper storage compartment 2A can be prevented from falling into a supercooled state without installing a temperature guarantee heater or the like in the upper storage compartment 2A.

In addition, when the wind direction plate 44 which protrudes in the direction spaced apart from the cold air discharge port 10B of the lower storage chamber 2B is installed in the cold air inlet 43 of the guide duct 42, it is supplied to the lower storage chamber 2B. It is possible to better solve the problem of cold air directly reaching the upper storage compartment 2A. Further, if the cold air inlet 43 of the guide duct 42 is burring, the flow of cold air sucked in from the cold air inlet 43 can be arranged to smoothly supply the cold air to the upper storage chamber 2A. It is also possible to improve the strength around the cold air inlet 43.

Here, in the above embodiment, the cold air from the cold storage chamber 17 is first discharged from the discharge duct 9 to the lower storage chamber 2B, and the cold air of the lower storage chamber 2B is discharged to the upper storage chamber 2A. In the invention of claim 1 or 2, the present invention is not limited thereto, and the two chambers 2A and 2B and the cold storage chamber 17 may communicate with each other by a series of discharge ducts 9 as shown in FIG. 7 (no obstruction plate 8). ]. In addition, as shown in Fig. 8, the duct boards 7A may form discharge ducts 9A and 9B which independently communicate with the cold storage chamber 17 and the chambers 2A and 2B.

However, when the cold air cooled by the coolant 18 by the discharge duct 9 by the discharge duct 9 is supplied to the lower storage chamber 2B, the upper storage chamber 2A is provided. ) Is made into a refrigerating chamber having a higher temperature, and when the lower storage chamber 2B is made into a freezing chamber having a lower temperature, it is possible to improve the temperature controllability in the refrigerating chamber by raising the cold air temperature to the refrigerating chamber.

In addition, if the side surfaces of both doors 15A and 15B have a stepped shape as shown in Fig. 9, the contact area of both doors 15A and 15B can be enlarged to further improve the thermal insulation performance. In particular, in this case, since the processing of the doors 15A and 15B is also relatively easy, deterioration in productivity is also prevented.

Further, even if the side surfaces of the two doors 15A and 15B are inclined as shown in Fig. 10, the contact area between the two doors 15A and 15B can be enlarged as well, and the heat insulation performance can be further improved. In particular, in this case, since the force for closing the door 15B stacked on the outside acts in the direction of bringing the two doors 15A and 15B into close contact, the thermal insulation performance is further improved.

In addition, in the above embodiment, the present invention has been described in a cold storage with wheels used in logistics, but the present invention is effective even when used in a kitchen. Moreover, this invention is applicable also to the cold storage which uses the cool storage agent which cannot obtain a wheel.

As described above in detail, according to the present invention, a storage chamber is formed in a heat insulating box member, and the inside of the storage chamber is cooled by the latent heat of fusion of the coolant. A partition member for partitioning, a discharge duct for supplying cold air cooled by a coolant to each partitioned compartment, a communication port formed in the partition member to communicate each chamber partitioned with the partition member, and the storage compartment side of each compartment partitioned And a temperature adjusting means for independently controlling the amount of cold air supplied to each chamber based on the temperature of each chamber, and the chamber located at a different temperature. It is possible to control independently, and to accommodate the objects which require cooling at different temperature zones in each chamber. In addition, collapse of the storage becomes less likely to occur.

In particular, the cold air of the chamber, not the storage compartment side, of each compartment partitioned by the partition member flows into the chamber of the storage compartment side from the communication port of the compartment member and is sucked into the storage compartment from the suction port together with the cooling air of the compartment. The duct structure is simplified to reduce costs and improve durability.

According to the invention of claim 2, since the air flow rate adjusting means is provided in the communication port, the cold air flow rate control of the communication port is controlled in a situation where the outside air temperature is low, for example, when a chamber other than the storage cooling chamber side is used as a higher temperature cold room. By reducing the flow rate of cold air by means, it becomes possible to effectively prevent overcooling of the refrigerating compartment. On the other hand, when both yarns are used at the same temperature, the so-called pulldown characteristics are improved by increasing the flow rate of cold air in the communication port.

According to the invention of claim 3, in addition to each of the above inventions, the discharge duct is configured to supply the cool air cooled by the coolant to the chamber located on the cool storage chamber side, and then to the other chamber. When the cooling chamber is a higher temperature and the chamber on the cold storage chamber side is a lower freezing chamber, the temperature of the cold air to the refrigerator compartment is increased to improve the temperature controllability in the refrigerator compartment.

According to the invention of claim 4, the air supply port is formed at a position corresponding to each chamber of the discharge duct, respectively, and is supplied to a chamber formed at the side of the cold storage chamber and formed at the partition member. The guide duct for guiding the cold air to the discharge duct on the other side is formed, and the cold air inlet of the guide duct is formed at a position separated from the cold air discharge port of the chamber located on the side of the cold storage chamber. You do not reach the other chamber directly. As a result, the other chamber can be prevented from falling into a supercooled state without installing a temperature guarantee heater or the like in the other chamber.

According to the invention of claim 5, in the above-described cold air inlet of the guide duct, a wind direction plate projecting in a direction away from the cold air outlet of the chamber located on the cold storage chamber side is provided, so that the cold air supplied to the chamber on the cold storage chamber side is directly different. The problem leading to can be solved more favorably.

According to the invention of claim 6, in addition to the invention of claim 4 or 5, the burring process is performed at the cold air inlet of the guide duct, so that the flow of cold air sucked from the cold air inlet can be arranged, and the cold air can be smoothly supplied to the other chamber. In addition, it is possible to improve the strength around the cold air inlet.

According to the invention of claim 7, the communication port is short-circuited to the partition member in addition to each of the above inventions, thereby avoiding the problem that the communication port is blocked by an article loaded on the partition member, and a large amount of articles are stored in another chamber. Even when the cold air circulation can be secured.

According to the invention of claim 8, each of the inventions is formed at a position corresponding to an upper portion of each chamber of the discharge duct, and has a cold air discharge port for supplying cold air to each chamber, respectively, and directs each cold air discharge port downwardly. Therefore, the problem that each cold air discharge port is blocked by the articles stored in each chamber is similarly avoided, and the cold air circulation can be ensured even when a large amount of articles are stored in each chamber.

According to the invention of claim 9, in addition to the above-described invention, the suction port is provided with a suction port guard protruding toward the storage chamber side, so that a large amount of articles are stored in the chamber by avoiding the problem that the suction port is blocked by the articles stored in the chamber on the cold storage chamber side. The cold air circulation can be ensured even when stored.

According to the invention of claim 10, in addition to each of the above inventions, the partition member is detachable and can be stored along the wall surface of the storage chamber in a detached state. You can extend it. In addition, since there is no need to secure a storage place at the time of removal, parts management becomes easy.

According to the eleventh aspect of the present invention, in addition to the above, a partition member is provided with a mounting member detachably loaded thereon, and the upper surface of the mounting member is provided with a heat insulating material so that the partition member can be stably held, The heat insulation between each compartment partitioned can also be performed effectively.

According to the twelfth aspect of the present invention, there is provided a pair of opening and closing doors to close and close the opening of the storage compartment, and the side surfaces of the doors are in contact with each other when both doors are closed. In addition, the door can be opened and closed, and the mutual contact area of both doors can be increased to prevent cold air leakage, and the heat insulation performance can be improved with a simple configuration.

According to the invention of claim 13, in addition to the above, the side surfaces of both doors have a stepped shape, so that the contact area of both doors can be enlarged to further improve the thermal insulation performance. In particular, in this case, processing of the door is also relatively easy, so that deterioration of productivity is also prevented.

According to the invention of claim 14, in addition to the invention of claim 12, the side surfaces of both doors are inclined, so that the contact area of both doors can be enlarged, and the heat insulating performance can be further improved. In particular, in this case, since the force which closes the door of the side which overlaps from the outside acts in the direction which keeps both doors in close contact, heat insulation performance improves further.

According to the invention of claim 15, in the invention according to any one of claims 12, 13, and 14, a heat insulating material which is in contact with each other when each door is closed is provided on the side of both doors, so that the heat insulating performance between the two doors is further improved. Will be.

Claims (15)

In the cold storage room which comprises a storage chamber in a heat insulation box member, and cools the inside of the said storage chamber by the latent heat of fusion of a refrigerant | coolant, A cold storage chamber for storing the coolant; A partition member for partitioning the inside of the storage compartment into a plurality of rooms; A discharge duct for supplying cold air cooled by the coolant to each compartment; A communication port formed in the partition member and communicating with each chamber partitioned by the partition member; A suction port for communicating the chamber located on the side of the cold storage chamber with the compartments among the compartments; And a temperature regulating means for independently controlling the amount of cold air supplied to each chamber based on the temperatures of the chambers. The cooling reservoir according to claim 1, wherein the communicating port is provided with a cold air flow rate adjusting means. The cooling reservoir according to claim 1 or 2, wherein the discharge duct supplies cool air cooled by the coolant to a chamber located on the cool storage chamber side, and then to another chamber. 4. The cold air discharge port according to claim 3, further comprising: cold air discharge ports respectively formed at positions corresponding to the respective chambers of the discharge duct to supply the cold air to the respective chambers; A guide duct for guiding the cold air supplied to the chamber formed in the partition member and positioned on the cool storage chamber side to the discharge duct on the other seal side; And a cold air inlet of the guide duct formed at a position spaced apart from the cold air outlet of the chamber located on the side of the cold storage chamber. The cold storage tank according to claim 4, wherein a cold air direction plate protruding in a direction away from the cold air discharge port of the chamber located on the side of the cold storage chamber is provided at the cold air inlet port of the guide duct. The cold storage according to claim 4 or 5, wherein the cold air inlet of the guide duct is subjected to a burring process. The cooling reservoir according to any one of claims 1 to 6, wherein the communication port is short-circuited to the partition member. The cooling air discharge port according to any one of claims 1 to 7, wherein each cooling air discharge port is formed at a position corresponding to an upper portion of each chamber of the discharge duct to supply cold air to each chamber, respectively. A refrigerated storage cell characterized by being oriented downwardly. The cooling tank according to any one of claims 1 to 8, wherein the suction port is provided with a suction port guard protruding toward the storage chamber side. 10. The cold storage room according to any one of claims 1 to 9, wherein the partition member is detachable and can be stored along the wall surface of the storage chamber in a detached state. 11. The cold storage cell according to claim 10, wherein the partition member is provided with a mounting hole detachably mounted thereon, and an insulating material is provided on an upper surface of the mounting hole. 12. A door according to any one of claims 1 to 11, having a pair of opening and closing doors for closing the opening of the storage compartment so as to be openable and closed. Characterized by cooling storage. 13. The cold storage cell according to claim 12, wherein the side surfaces of the two doors have a stepped shape. 13. The cold reservoir of claim 12 wherein the sides of both doors are inclined. The cooler according to any one of claims 12 to 14, wherein side surfaces of the two doors are provided with heat insulating materials in contact with each other when the doors are closed.