JP3561247B2 - Cool car - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
TECHNICAL FIELD The present invention relates to an insulated truck that transports food and other conveyed goods stored in a luggage compartment while cooling them.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, when transporting fresh food such as fresh fish, a refrigerator car or a refrigerator car, which is a refrigerator car, has been used to maintain freshness. These vehicles are equipped with a refrigeration or refrigeration unit including a compressor, a condenser, an evaporator, and the like, and are provided with a driving device for driving a compressor of the refrigeration or refrigeration unit.
[0003]
For small and medium-sized vehicles, the drive device is mainly of a direct connection type that takes out power from a traveling engine and drives the compressor 1 and the like as shown in FIG. 7 because it is lightweight and inexpensive. . When such a directly connected freezing or refrigerating device is provided, the condenser 2 or the like having the heat exchange fan is installed below the floor of the vehicle as an extension of the compressor 1 or the like.
[0004]
[Problems to be solved by the invention]
However, in the direct connection type, the compressor 1 cannot be driven when the traveling engine is stopped when the vehicle is stopped. Therefore, it is necessary to separately provide a compressor driving engine. In this case, the vehicle weight is increased, and the initial cost and cost are increased. This increases running costs and causes noise. Moreover, if the compressor driving engine is provided under the floor of the vehicle, the use of the space under the floor of the vehicle when various facilities and devices are provided is limited.
[0005]
SUMMARY OF THE INVENTION An object of the present invention is to solve the inconvenience of the conventional example and to provide a second refrigeration or refrigeration apparatus in a refrigerated vehicle equipped with a direct connection type refrigeration or refrigeration apparatus that extracts power from a traveling engine and drives a compressor or the like. The cooling operation can be performed even when the running engine is stopped when the vehicle is stopped, and its driving energy can be obtained from a commercial power supply via an outlet or the like. An object of the present invention is to provide an insulated car that is not loud, has no noise, and can be effectively used for other purposes under the floor of the vehicle.
[0006]
[Means for solving the problem]
In order to achieve the above object, the present invention firstly provides a refrigeration vehicle equipped with a direct-coupled type refrigeration or refrigeration device that extracts power from a traveling engine and drives a compressor or the like. In addition to the first refrigeration or refrigeration apparatus, a second refrigeration or refrigeration apparatus that obtains a motor power for driving the compressor from a commercial power supply is flat and does not greatly exceed the height of the luggage compartment. and things, and that alongside capacitor of the first refrigeration or refrigeration equipment is installed on the roof of the cab cabin, surrounding them in common air guide plate, the second, the luggage compartment, (a) A board coated with a deodorant paint containing an aluminosilicate and (b) an oxidizing agent and having a pigment volume concentration (including aluminosilicate and oxidizing agent) in the coating film of 20% to 40% is provided. The point is that It is.
[0007]
According to the first aspect of the present invention, when the vehicle is running, the first refrigeration or refrigerating device is used. The power is taken out of the engine and the compressor or the like is driven to perform the cooling operation and perform the luggage compartment. To cool. Further, when the vehicle is stopped, cooling of the cargo room can be continued using the second freezing or refrigeration device. Further, since the second freezing or refrigeration apparatus can be installed without occupying the underfloor or the like of the vehicle, the underfloor or the like can be effectively used for other uses. In particular, in the case of an insulated car, there is a difference in height between the cab cabin and the luggage compartment, which is a box-shaped vehicle body, and the box-shaped vehicle body is higher. However, the second refrigeration or refrigeration apparatus has this level on the roof of the cab cabin. It can be installed using the difference.
[0008]
The second refrigeration or refrigeration device is made flat so as not to greatly exceed the height of the luggage compartment above the cab cabin, and is surrounded by a baffle plate so that the box-shaped In this case, it is possible to reduce the air resistance applied to the front part of the luggage compartment higher than the cabin of the cab, thereby saving fuel consumption.
[0009]
Furthermore, by installing the condenser of the first freezing or refrigeration unit on the roof of the cabin of the cab side by side with the second freezing or refrigeration unit, the underfloor space of the vehicle is opened by that much more and the space is opened. It can be used effectively for other uses.
[0010]
According to the second aspect of the present invention, the malodor generated in the luggage compartment is deodorized by the deodorant paint applied to the plate, and also exhibits an excellent deodorant effect against various malodors as the deodorant paint. Moreover, it has a high deodorizing speed and is excellent in sustainability. According to this deodorant paint, it is considered that the physical adsorption proceeds at a very high speed until the equilibrium adsorption is reached, followed by a chemical reaction. That is, by combining the aluminosilicate of the component (a) and the oxidizing agent of the component (b), the speed of adsorption of malodor to the aluminosilicate having a large specific surface and the chemical reaction of the adsorbed malodorous oxidizing agent are improved. Act synergistically to deodorize more effectively. Furthermore, by controlling the pigment volume concentration in the coating film to an appropriate range, the deodorant base can be effectively deodorized without being obscured by the binder resin in the coating film. The odor caught by the odor will no longer be converted to an odor and will not be re-emitted, and the elimination of odor, which is a disadvantage of deodorization by physical adsorption, will be suppressed, and the deodorizing effect will be maintained.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a plan view showing an embodiment of a cold storage vehicle of the present invention, and FIG. 2 is an upper side view of the same. It may be provided by a small car or a mini car instead of a large car.
[0012]
The insulated car 3 of the present invention is also provided with a direct-coupled type refrigeration or refrigeration apparatus that extracts power from the traveling engine and includes the compressor 1.
[0013]
The luggage compartment 5 is provided with a frozen or refrigerated showcase 6 for selling food such as fish, tofu, cake, meat, etc., and can open and close the left and right side walls 7a, 7b and the rear side wall 7c by a hinge mechanism. . The left and right side walls 7a and 7b which have been flipped up are slid and stored as they are on the back side of the ceiling plate 5a of the luggage compartment 5 as it is. The rear side wall 7c has an air cylinder arm 24 that can be supported in a horizontal state.
[0014]
As shown in FIG. 6, a compressor (compressor) 1 directly connected to the traveling engine forms a refrigeration cycle including a condenser (condenser) 2, a receiver tank 9, an accumulator 10, and an evaporator (evaporator) 11. The evaporator (evaporator) 11 is provided with the freezing or refrigerated showcase 6 of the luggage compartment 5 disposed inside, and the other equipment, in particular, the condenser (condenser) 2 is mounted on the roof of the cab cabin 4 by half. Installed on the side.
[0015]
The condenser (condenser) 2 is provided with a heat exchange fan 12. When the heat exchange fan 12 is arranged with the condenser 2, the fan 12 sucks air from the condenser 2 side and sends the air upward. Are preferred. A sirocco fan is also available. In the figure, 13 is a check valve, 14 is a high voltage pressure switch, 15 is a filter dryer, 16 is a moisture indicator, 17 is a solenoid valve, and 18 is an expansion valve.
[0016]
A compressor (compressor) 1, a condenser (condenser) 2, a receiver tank 9, an accumulator 10, an evaporator (evaporator) 11, etc., which are directly connected to the traveling engine, constitute a first freezing or refrigeration device 19, A second freezing or refrigerating device 20 is provided in addition to the freezing or refrigerating device 19, and the second freezing or refrigerating device 20 is similarly provided with a compressor (compressor) 1, a condenser (condenser) 2, a receiver tank 9 , An accumulator 10 and an evaporator (evaporator) 11 constitute a refrigeration cycle, but a portion excluding the evaporator (evaporator) 11, particularly, a compressor (compressor) 1 and a condenser (condenser) 2 are unitized to form a unit. It was installed on the other half side of the cab cabin 4 on the roof.
[0017]
The motor power for driving the compressor 1 of the second freezing or refrigeration apparatus 20 is obtained from a commercial power supply such as AC100V or AC200V via an outlet.
[0018]
Thus, on the roof of the cab cabin 4, the condenser 2 provided with the heat exchange fan 12 of the first freezing or refrigeration unit 19 and the evaporator (evaporator) of the second freezing or refrigeration unit 20 are provided. ) Units except for the parts 11 are arranged side by side, but they are flat so as not to greatly exceed the height of the cargo room 5, and their surroundings are shaped like side plates as side covers. Of the wind guide plate 21. The air guide plate 21 may have a ceiling portion, but may have an open upper surface. The air guide plates 21 were positioned on the front and left and right sides, and were appropriately inclined so that the wind received from the front flowed right and left and upward.
[0019]
The evaporator (evaporator) 11 is appropriately installed in a state where the components of the first freezing or refrigerating device 19 and the second freezing or refrigerating device 20 coexist in the freezing or refrigerating showcase 6.
[0020]
In addition, a plate 22 coated with a deodorant paint is disposed, for example, on the ceiling in the freezing or refrigerated showcase 6 of the luggage compartment 5. This plate may be a flexible one such as a sponge, but in this embodiment, it is a metal plate. Further, it may be a fixed plate, or may be a detachable plate.
[0021]
The deodorant paint applied to the plate 22 coated with the deodorant paint contains (a) an aluminosilicate and (b) an oxidizing agent, and a pigment volume concentration (aluminosilicate and an oxidizing agent) in the coating film. 20% to 40%). More specifically, it is preferable that the three-component composition ratio (a) of the aluminosilicate expressed as an oxide has the following values.
SiO ₂ : 5 to 80 mol%,
Preferably 25 to 70 mol%
MO ₂ / n: 5~65 mol%,
Preferably 15 to 60 mol%
Al ₂ O ₃ : 1 to 60 mol%,
Preferably 1 to 45 mol%
(M represents at least one metal selected from zinc, copper, silver, cobalt, nickel, iron, titanium, barium, tin and zirconium, and n represents the valence of the metal)
The aluminosilicate as the component (a) is obtained as a white or light-colored powder, and the water-soluble silicate, the water-soluble metal salt, the water-soluble aluminum salt and / or the water-soluble aluminate in an amount corresponding to the above composition ratio. It is produced by reacting the salt in the presence of water and heating the resulting precipitate in the presence of water.
Examples of the oxidizing agent of the component (b) include percarbonates, sodium persulfate, potassium persulfate, ammonium persulfate, persulfates such as potassium monopersulfate, hydrogen peroxide, diperoxide decandioic acid, and Agnesium perphthalate. Are preferred.
[0022]
In order to make full use of the capability of the deodorant, it is necessary that the function is exhibited without the deodorant being concealed by the binder when the film is formed. For this purpose, the deodorant must always be brought into contact with the outside air in a porous film state, and the pigment volume concentration in the film is preferably 20% to 45%, more preferably 35% to 42%. %. The pigment volume concentration is (volume of the pigment in the coating film including the aluminosilicates of the components (a) and (b)) / (total coating film volume). If the pigment volume concentration is less than 20%, the deodorant is concealed by the binder as described above, and the effect is reduced. On the other hand, if the pigment concentration is more than 45%, the coating film becomes brittle which is not practically usable and is not preferable. .
[0023]
(A) The aluminosilicate and (b) the oxidizing agent are (a) / (b) = 1 / 99-99.9 / 0.1, more preferably 50 / 50-99.5 / 0, by weight ratio. It is preferable to coexist in the range of 0.5. As the binder resin, a urethane resin, an acrylic resin, a vinyl acetate resin, or the like is suitable, but any of the resins used for various other paints can be used alone or in combination. As the solvent or the dispersion medium, alcohols, ketones, esters, ethers, aliphatic hydrocarbons, aromatic hydrocarbons, other organic solvents, or mixed solvents thereof can be used, but are not particularly limited.
[0024]
Such deodorant paint can be applied to the plate by brush and roller coating, or by spray coating.
[0025]
On the other hand, a tank 23 such as a water tank, a sewage / fresh water tank, a container, a step, and the like can be provided in the underfloor space of the vehicle.
[0026]
Next, the usage will be described. When the insulated car 3 is traveling, the first freezing or refrigeration device 19 extracts power from the traveling engine and drives the compressor 1 to cool the freezing or refrigerated showcase 6 in the luggage compartment 5.
[0027]
After stopping, the left and right side walls 7a and 7b and the rear side wall 7c are flipped up, and the merchandise and the like are taken out from the frozen or refrigerated showcase 6 and sold. The left and right side walls 7a, 7b can be used as eaves as appropriate by selecting the storage degree by sliding.
[0028]
When the vehicle is stopped, the engine is stopped and the compressor 1 cannot be driven. Therefore, the compressor 1 of the second refrigeration or refrigeration unit 20 is driven by obtaining electricity from a commercial power supply such as AC100V or AC200V via an outlet to perform refrigeration or The operation of the refrigerated showcase 6 is continued.
[0029]
When the vehicle is stopped, as described above, the left and right side walls 7a and 7b of the luggage compartment 5 can be slid and stored so as to be overlapped on the back side of the ceiling plate 5a of the luggage compartment 5 without being obstructed. Safety can be ensured without collision. Also, by selecting the degree of storage, it can be used as an eave.
[0030]
Although not shown, the evaporator (evaporator) 11 includes two units of the first freezing or refrigerating device 19 and the second freezing or refrigerating device 20. There is no limitation, and either one may be a natural convection type and the other may be a forced air type with a fan, or may be of a different type.
[0031]
【The invention's effect】
As described above, the refrigerated vehicle of the present invention uses a second refrigeration or refrigeration device in a refrigerated vehicle equipped with a direct-coupled type refrigeration or refrigeration device that extracts power from the traveling engine and drives a compressor or the like. Cooling operation can be performed even when the running engine is stopped when the vehicle is stopped, and its driving energy can be obtained from a commercial power supply via an outlet or the like. There is no noise, and under the floor of the vehicle can be effectively used for other purposes.
[Brief description of the drawings]
FIG. 1 is a plan view showing one embodiment of a cold storage vehicle of the present invention.
FIG. 2 is a side view showing one embodiment of a cold storage vehicle of the present invention.
FIG. 3 is a perspective view showing one embodiment of a cold storage vehicle of the present invention.
FIG. 4 is a rear view showing one embodiment of a cold storage vehicle of the present invention.
FIG. 5 is a perspective view from the rear showing one embodiment of the cold storage vehicle of the present invention.
FIG. 6 is a circuit diagram of a freezing circle.
FIG. 7 is a side view showing a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Compressor 2 ... Condenser 3 ... Insulated car 4 ... Driver cabin 5 ... Luggage compartment 5a ... Ceiling plate 6 ... Refrigerated showcase 7a, 7b ... Right and left side walls 7c ... Rear side wall 8 ... Hot air suction duct 9 ... Receiver tank 10 ... Accumulator REFERENCE SIGNS LIST 11 evaporator (evaporator) 12 fan 13 check valve 14 high-voltage pressure switch 15 filter dryer 16 moisture indicator 17 solenoid valve 18 expansion valve 19 first refrigeration or refrigeration unit 20 second Refrigeration or refrigeration equipment 21 ... air guide plate 22 ... plate coated with deodorant paint 23 ... tanks 24 ... air cylinder arm

Claims (2)

In a refrigerated vehicle equipped with a direct-coupled type refrigeration or refrigerating device that drives a compressor or the like by extracting power from a traveling engine, the refrigerating or refrigerating device is a first refrigerating or refrigerating device, and the first refrigerating or refrigerating device is provided. In addition to the device , the second refrigeration or refrigeration device that obtains the motor power for driving the compressor from the commercial power source is made flat so as not to greatly exceed the height of the luggage compartment, and the condenser of the first refrigeration or refrigeration device is used. A cool car characterized by being installed on the roof of the cabin of a driver's cab side by side and surrounding them with a common air guide plate . A deodorant paint containing (a) an aluminosilicate and (b) an oxidizing agent in the cargo compartment, and having a pigment volume concentration (including the aluminosilicate and the oxidizing agent) in the coating film of 20% to 40%. The insulated car according to claim 1, wherein a plate coated with is provided.

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