The content of the invention
It is an object of the invention to provide a kind of transport case for preventing fruits and vegetables frostbite.
To reach above-mentioned purpose, the technical scheme is that:A kind of fruits and vegetables transport case, including babinet, are equipped with babinet
Cool room, control room and fresh-keeping chamber, cool room side wall are equipped with closed feed inlet, thermal insulation are fixed with cool room side wall
Layer, fresh-keeping chamber side wall are equipped with closed feeding port;Being equipped with control room can be along the piston of control room side walls, cool room
The outgassing nonreturn valve connected with control room is fixed with side wall, air inlet pipe is fixed with fresh-keeping chamber side wall and is connected with control room
Breather check valve, air inlet pipe are connected with breather check valve;The exhaust connected with cool room is fixed with the side wall of fresh-keeping chamber lower part
Check valve;It is less than the water inlet pipe of air inlet pipe in cool room equipped with diameter, water inlet pipe is away from fresh-keeping chamber one end through cool room and solid
Be scheduled in air inlet pipe, be fixed with institute's water inlet pipe connected with air inlet pipe go out water one-way valve.
When transporting fruits and vegetables, feeding port is opened, fruits and vegetables are put into fresh-keeping chamber, turn off feeding port.Then feed inlet is opened,
Ice cube is put into cool room, indoor temperature of freezing reduces, and adds cold water, is located at cool room until cold water floods water inlet pipe
One end, turns off feed inlet.
In transportational process, when transport vehicle accelerates either to slow down piston under effect of inertia close to or away from cool room.It is living
When plug is away from cool room, increase positioned at cavity of the piston close to cool room side, pressure reduces, and the indoor cold air that freezes is from going out
Gas check valve enters in control room.When piston is close to cool room, reduce positioned at cavity of the piston close to cool room side, pressure increases
Greatly, cold air enters air inlet pipe from breather check valve.Cold air along air inlet pipe flow when, the flow velocity increase in air inlet pipe, root
According to Bernoulli effect, the pressure in air inlet pipe reduces, and cold water is inhaled into water inlet pipe, finally enters air inlet pipe, mix cold air
Spraying into together in fresh-keeping chamber reduces the temperature of fresh-keeping chamber, and water can increase the humidity of fresh-keeping chamber at the same time, avoid fruits and vegetables water shortage.Protect
Fresh indoor pressure increase, gas enter in cool room from exhaust check valve.When having ponding in fresh-keeping chamber, water is from exhaust check valve
Into in cool room.In this way, in transportational process, cold air and water can be passed through into fresh-keeping chamber, to fresh-keeping indoor fruits and vegetables
Carry out fresh-keeping.
Feeding port and feed inlet are opened during unloading, fruits and vegetables, ice cube and water are taken out.
This programme has the beneficial effect that:
(1) transport when ice cube the thermal insulation layer set on cool room side wall is separated with fruits and vegetables can be to avoid fresh-keeping chamber and control
Into cool room, fruits and vegetables will not be contacted directly indoor heat transfer with ice cube for a long time, it is possible to avoid fruits and vegetables frost bitten;
Secondly, thermal insulation layer can also avoid the heat transfer in the external world from extending cooling time to ice cube fast melt in cool room, is avoided.
(2) when the speed of transport vehicle changes, piston can slide under effect of inertia in control room, make cold sky
Gas enters fresh-keeping chamber from cool room, reduces fresh-keeping room temperature, extends the shelf-life of fruits and vegetables.In whole process, it is not necessary to right
The slip of piston is controlled, and reduces the workload of worker.
(3) when cold air flows through air inlet pipe, the indoor water that freezes is inhaled into air inlet pipe, finally enters from air inlet pipe fresh-keeping
Room, increases the humidity of fresh-keeping chamber, avoids fruits and vegetables dehydration.
(4) when fresh-keeping indoor water level is higher than exhaust check valve, fresh-keeping indoor water can be entered by exhaust check valve
Cool room, avoids fresh-keeping chamber ponding, then avoids the fruits and vegetables of lower floor are soaked from rotting.
Preferred solution one, is improved, the quantity of cool room and breather check valve is two as to the further of base case
A, two cool rooms are located at control room both sides respectively.Close first cool room is understood when piston is to a Slideslip, away from second
Cool room, to during another Slideslip can away from first cool room and close to second cool room, so persistently have cold air into
Enter in fresh-keeping chamber, it is more preferable to the fresh-keeping effect of fruits and vegetables.
Preferred solution two, is improved, two cool rooms are interconnected as to the further of preferred solution one.Two systems at this time
Cold indoor cold air can mutually circulate, wherein one refrigeration it is indoor it is ice melting after, another refrigeration is indoor cold
Air can enter in the cool room, make piston reciprocating have cold air to enter in fresh-keeping chamber when sliding.
Preferred solution three, is improved, piston is embedded with weightening block as to the further of preferred solution two.Transport vehicle speed changes
During change, the inertia increase of piston, the distance increase that piston slides is more into fresh-keeping indoor cold air, can improve to fruit
The fresh-keeping effect of vegetable.
Preferred solution four, is improved, fresh-keeping chamber is located at below control room as to the further of preferred solution three.Fresh-keeping chamber position
In lower section, exhaust check valve is located at fresh-keeping chamber lower part, fresh-keeping indoor gas from exhaust check valve enter after cool room directly into
In the water for entering cool room, and since ice cube is contacted with water, so the temperature of water is low, the gas into control room can quickly be dropped
Temperature.
Preferred solution five, improves as to the further of preferred solution four, heat insulation layer is equally fixed with cabinet exterior.Absolutely
Thermosphere can absorb extraneous heat to avoid fresh-keeping chamber, avoid the temperature of fresh-keeping chamber from raising, further improve the fresh-keeping of fresh-keeping chamber
Effect.
Embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
Reference numeral is:Babinet 1, cool room 2, feed inlet 21, charging lid 22, outgassing nonreturn valve 23, control room 3, into
Gas check valve 31, air inlet pipe 32, fresh-keeping chamber 4, exhaust check valve 41, water inlet pipe 5, go out water one-way valve 51, piston 6, weightening block 61.
As shown in Figure 1, a kind of fruits and vegetables transport case, including babinet 1, babinet 1 is interior to be equipped with control room 3, fresh-keeping chamber 4 and two systems
Cold house 2, two cool rooms 2 are located at 1 left and right ends of babinet respectively, and control room 3 is located at the top of fresh-keeping chamber 4,1 outer wall of babinet and refrigeration
Being glued on 2 side wall of room has heat insulation layer, and the material of the heat insulation layer in the present embodiment is aerogel blanket.2 side wall of cool room is equipped with
Feed inlet 21, feed inlet 21 are externally provided with charging lid 22, and charging lid 22 is threadedly coupled with feed inlet 21.Two cool rooms 2 are logical
Piping is interconnected, and is glued in 2 upper portion side wall of cool room and has an outgassing nonreturn valve 23, the outlet side of outgassing nonreturn valve 23 with
Control room 3 connects.Fresh-keeping chamber 4 is equipped with feeding port, and feeding port is externally provided with feeding lid, and feeding lid connects with feeding port screw thread
Connect.The top of fresh-keeping chamber 4, which is glued, air inlet pipe 32 and two breather check valves 31, and two breather check valves 31 are respectively close to left and right two
The cool room 2 of side, and the inlet end of breather check valve 31 is connected with control room 3, air inlet pipe 32 and the breather check valve 31 in left side
Outlet side connection.The side wall gluing of 4 lower part of fresh-keeping chamber is connected to exhaust check valve 41, the outlet side of exhaust check valve 41 and refrigeration
Room 2 connects.Water inlet pipe 5, a quarter of 32 diameter of a diameter of air inlet pipe of water inlet pipe 5, water inlet pipe are equipped with left side cool room 2
Being glued in 5 has water one-way valve 51, and the water inlet end for going out water one-way valve 51 is connected with cool room 2, and 5 lower end of water inlet pipe is located at cool room
2 lower parts, 5 upper end of water inlet pipe is through 2 side wall of cool room and is glued in air inlet pipe 32, and water inlet pipe 5 is connected with air inlet pipe 32.Control
Piston 6 is equipped with room 3, piston 6 can horizontally slip along 3 side wall of control room, and piston 6 is embedded with the block 61 that increases weight, in the present embodiment
Weightening block 61 is irony.
When transporting fruits and vegetables, feeding lid is opened, fruits and vegetables are put into fresh-keeping chamber 4, turn off feeding lid.Then open into
Material mouth lid 22, cool room 2 is put into by ice cube, and the temperature in cool room 2 reduces, then adds cold water into a cool room 2, until
Cold water floods 5 lower end of water inlet pipe, turns off feed inlet 21.
In transportational process, transport vehicle accelerate or slow down when, piston 6 under effect of inertia along 3 inner wall of control room to the left
Or slide to the right.When piston 6 slides to the right, the cavity increase positioned at the left side of piston 6, empty cavity pressure reduces, left side refrigeration
Cold air in room 2 enters in the cavity from outgassing nonreturn valve 23.When piston 6 slides to the left, the cavity positioned at the left side of piston 6 subtracts
Small, pressure increase, cold air enters air inlet pipe 32 from breather check valve 31.Cold air along air inlet pipe 32 flow when, air inlet pipe
Flow velocity increase in 32, according to Bernoulli effect, the pressure in air inlet pipe 32 reduces, and cold water is inhaled into water inlet pipe 5, most laggard
Enter air inlet pipe 32, mix cold air and spray into together in fresh-keeping chamber 4.Pressure increase in fresh-keeping chamber 4, gas in fresh-keeping chamber 4 from
Exhaust check valve 41 enters in cool room 2.At the same time, reduce positioned at the cavity increase on the right side of piston 6, pressure, right side refrigeration
Cold air in room 2 enters in the cavity on the right side of piston 6.When piston 6 slides to the right again, the cavity positioned at the left side of piston 6 increases
Greatly, the cold air of left side cool room 2 enters the cavity in left side;The cavity positioned at the right side of piston 6 reduces at the same time, in the cavity of right side
Cold air enters fresh-keeping chamber 4 from the breather check valve 31 on right side.When having ponding in fresh-keeping chamber 4, water enters from exhaust check valve 41
In cool room 2.In this way, in transportational process, cold air constantly is passed through into fresh-keeping chamber 4, the fruits and vegetables in fresh-keeping chamber 4 are protected
It is fresh.
Feeding port and feed inlet 21 are opened during unloading, fruits and vegetables, ice cube and water are taken out.
Above-described is only the preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without departing from the inventive concept of the premise, several modifications and improvements can also be made, these should also be considered as the guarantor of the present invention
Scope is protected, these effects and practical applicability for implementing all without the influence present invention.The present invention omits the technology of description, shape
Shape, construction part are known technology.