CN2199086Y - Device for transporting refrigerated goods - Google Patents
Device for transporting refrigerated goods Download PDFInfo
- Publication number
- CN2199086Y CN2199086Y CN 94238838 CN94238838U CN2199086Y CN 2199086 Y CN2199086 Y CN 2199086Y CN 94238838 CN94238838 CN 94238838 CN 94238838 U CN94238838 U CN 94238838U CN 2199086 Y CN2199086 Y CN 2199086Y
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- China
- Prior art keywords
- temperature control
- control door
- extension spring
- temperature
- marmem
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- Expired - Fee Related
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Abstract
The utility model relates to a device for transporting refrigerated goods, comprising a closed container made of heat insulating material. The inner of the closed container is divided into a dry ice bin and a goods bin by a thermal baffle, and the thermal baffle is provided with one or more temperature control doors. The make and break of the temperature control door is controlled by a temperature control device according to the predetermined temperature in a warehouse, and the temperature control device is composed of a tension spring made of shape memory alloy material, etc. So the utility model can ensure the temperature constancy in the warehouse. The utility model has the advantages of simple structure, low cost and accurate temperature control.
Description
The utility model relates to the refrigerated transport of goods, especially, be a kind of be the refrigerating transporting apparatus of low-temperature receiver with dry ice.
Along with the development of transport undertaking, require the goods of refrigerated transport to grow with each passing day.But traditional mechanical type congealing machine is big because of itself volume, deadweight is high, power consumption is many, and fluoro-gas presents its limitation day by day to the pollution and the high many-sided reason of manufacturing cost of environment.Especially in today that freight container is popularized, the freezing position in storehouse of cargo ship generally only accounts for the 10-15% of total position in storehouse, makes that the contradiction between the supply and demand is more outstanding.
With solid carbon dioxide, also claim dry ice, be used for goods transport as low-temperature receiver, abroad be to propose at the '30s, for example, and U.S. Pat 2,170,332nd, authorize August 22 nineteen thirty-nine.Usually, the dry ice refrigerator is the container that a wall is made of thermal insulation material, wherein be divided into the room of depositing dry ice by the next door, and the room of depositing goods, and be provided with attemperating unit, when being higher than predetermined value with convenient goods room temperature, the cold air of promptly introducing dry ice sublimation makes it cooling, therefore, as long as keep a certain amount of dry ice, just can make goods be stored in certain state of temperature for a long time, in addition, what progressively grow up directly forms the technology of dry ice with liquid carbon dioxide in the transportation storehouse, further promoting the dry ice development of refrigerated transport.
But the dry ice refrigerated transport also is faced with a series of challenge.At first, aspect the temperature requirement of reefer cargo, should guarantee that not only temperature of refrigerating chamber is in predetermined scope, but also should guarantee the homogeneity of whole refrigeration indoor temperature.Secondly, the design of refrigerating transporting apparatus should reduce its deadweight as far as possible, and increases the ratio of the shared cumulative volume in cargo refrigeration chamber as far as possible, and this requires when air transport particularly outstanding on the one hand.In addition, because the navigationsystem of radio signal meeting countermeasure aircraft, so from reliability requirement, for the cold storage plant of air transport, it is higher that its designing requirement just seems.
U.S. Pat 4,766,740 disclose a kind of container that is used for the storage and transport injured limb, it utilizes compression arbon dioxide gas to penetrate the dry ice produced or cold air as low-temperature receiver by a nozzle, and by a shape memory alloy spring as attemperating unit with control via the air-flow that nozzle was ejected, thereby the room that keeps depositing limbs is within the predetermined range of temperatures.Wherein, marmem is a kind of like this material, when its heat arrives certain predetermined temperature, can change the form of previous institute " memory " from an amorphous state into; Usually claim that this predetermined temperature is covert point or memory point, it is determined by the composition and the heat-treat condition of marmem.Because this patent need be attached the compression arbon dioxide bottle, therefore use inconvenience, also limited its occasion that is suitable for.In addition, though proposed to use marmem, do not provide concrete structure as attemperating unit.According to the form of its shape memory alloy spring direct control nozzle shown in the drawings, so since this memorial alloy directly be among the cold air that ejects, achieve temperature control, if not unpractiaca at least also be coarse.
The purpose of this utility model, providing a kind of is the refrigerating transporting apparatus of low-temperature receiver with dry ice, its temperature control device structure is simple, dependable performance, and its accuracy of temperature control height, setting range is wide, therefore, it is low cost of manufacture not only, and is widely used in various occasions such as land route, sea route or air transport.
Above-mentioned purpose of the present utility model is achieved like this, but utilize a closed container that constitutes by thermal insulation material, its inside is separated into dry ice storehouse and goods storehouse by a thermal baffle, wherein, this dry ice storehouse and goods storehouse are equipped with and extraneous passage, obtaining from the external world respectively or to generate dry ice and obtain goods to be transported, especially, this dividing plate is provided with a fan or the above temperature control door of a fan, and this temperature control door opens and closes according to default temperature in the goods storehouse via an attemperating unit.Described attemperating unit comprises being used separately as more than one or one and opens, close the marmem extension spring of this temperature control door, and, this marmem extension spring has the temperature controller of 1 * 2 on-off action and travel switch and a low-voltage dc power supply via one and is linked to be the loop, in addition, should be as opening, the covert some temperature of closing the marmem extension spring of temperature control door directly do not depend on the temperature default in the goods storehouse, lower limit, and, when temperature control door is in unlatching or closed condition, described temperature controller and travel switch are connected normal-closed end or Chang Kaiduan respectively, but when temperature control door was in the process of closing or opening, temperature controller and travel switch then were in normally closed (opening) end respectively and often open (closing) end.Further, above-mentioned marmem extension spring all is fixedly arranged in the one side of temperature control door towards goods storehouse one side, wherein, an end that is used for opening the extension spring of temperature control door is connected on the support that is fixed in the dividing plate bottom surface, the other end connects one and tiltedly detains pull bar, and this pull bar is formed the door lock of temperature control door together with the two stands that is fixedly arranged in temperature control door and dividing plate bottom surface respectively; An end that is used for closing the extension spring of temperature control door is connected on another support that is fixed in the dividing plate bottom surface, the other end then is connected on the support that is fixed in temperature control door one side, in addition, for temperature control door is is successfully opened and closed by extension spring, the hinge height of described temperature control door should be between the two stands of above-mentioned connection two extension springs one end.Described travel switch is the bottom surface that is fixedly arranged on dividing plate, which is provided with guide wheel, this guide wheel can roll with this keying on a positioning plate that places on the temperature control door, thereby make it to have 1 * 2 switching function, and, above-mentioned temperature controller is to place in the goods storehouse, also can be made up of with an expansion of liquids formula temperature controller and a relay common refrigerator.
The utlity model has following advantage: 1. because adopting via the keying of temperature control door, the utility model controls temperature in the goods storehouse, novel, simple in structure, make that whole conveying arrangement is easy to make, cost reduces; 2. attemperating unit has mainly adopted the marmem extension spring, and design is placed in a side of freight house, be linked to be the loop via temperature controller and travel switch and a low-voltage dc power supply again, thereby guaranteed the accuracy of marmem extension spring phase transformation, also promptly improved the accuracy of temperature control of whole device; 3. can suitably increase the number of temperature control door easily, this not only realizes the homogeneity of temperature in the whole freight house easily, and may satisfy the requirement of different goods for different temperatures; 4. whole device does not adopt electronic circuit, and overall volume also can make as required, so it is applicable to various occasions such as aeroamphibious.
Provide embodiment of the present utility model below in conjunction with accompanying drawing, and be described in further detail.
Fig. 1 is the structural representation of the utility model refrigerating transporting apparatus
Fig. 2 is the upward view of the utility model refrigerating transporting apparatus temperature control door when closing
Fig. 3 is the A-A cutaway view of Fig. 2
Fig. 4 is the B-B cutaway view of Fig. 2
Fig. 5 is the C-C cutaway view of Fig. 2
Fig. 6 is the D-D cutaway view of Fig. 2
Fig. 7 be when temperature control door is opened from the A-A of Fig. 2 to cutaway view
Fig. 8-the 9th, the utility model refrigerating transporting apparatus attemperating unit circuit connection diagram
Figure 10-the 12nd, the utility model attemperating unit is corresponding to the circuit connection diagram of temperature control door opening-closing process
With reference to Fig. 1, but the utility model refrigerating transporting apparatus is a closed container that is made of thermal insulation material, this container is separated into dry ice storehouse 15 and goods storehouse 16 two large divisions by a thermal baffle 14, wherein, dry ice storehouse 15 is used to deposit dry ice, can obtain dry ice from the external world from the inlet (not shown) of setting up, perhaps directly form dry ice by the nozzle (not shown) of setting up from liquid carbon dioxide by pipeline; Goods storehouse 16 also be provided with extraneous passage (not shown) so that pack goods into.Be also shown in from Fig. 1, offer a fan or the above temperature control door 11 of a fan on this dividing plate 14, the keying of this temperature control door 11 is controlled by the attemperating unit that hereinafter will describe in detail, when temperature in the lower floor goods storehouse 16 surpasses a predetermined value, temperature control door 11 can be opened, make the cryogenic gas that distillation dry ice produces in the dry ice storehouse, upper strata 15, flow in the lower floor goods storehouse 16 via the temperature control door 11 of opening, making it temperature descends, default following temperature control door 11 will be closed in limited time when temperature drops to one, and so circulation repeatedly, as long as keep a certain amount of dry ice, can keep goods storehouse 16 interior temperature constant within preset range.
Consult Fig. 8-9, above-mentioned attemperating unit comprises temperature controller 20, travel switch 12, Dc low voltage power supply, and marmem extension spring, wherein, temperature controller 20 is seated in the goods storehouse 16, work the on-off action that TEMP is arranged, can adopt the temperature controller of common refrigerator, also can adopt the temperature controller of other classifications, what Fig. 8 showed is to adopt common refrigerator expansion of liquids formula, have 1 * 1 switching function, at this moment, for guaranteeing the normal operation of attemperating unit, also need cooperate the relay J of setting up, and shown in Figure 9 be temperature controller with 1 * 2 switching function, therefore, can omit relay.
The marmem extension spring is the important component part of this attemperating unit, comprises being used to the marmem extension spring 7 of opening the marmem extension spring 1 of temperature control door 11 and being used to close temperature control door 11.As can be seen from Figure 2, above-mentioned two marmem extension springs 1,7 are fixedly arranged in the one side of temperature control door 11 towards goods storehouse 16, wherein, one end of the memorial alloy extension spring 1 of opening the door used is contained on the support 10 that is fixed in storehouse dividing plate 14 bottom surfaces up and down, the other end then is contained in one and tiltedly detains on the pull bar 2, tiltedly button pull bar 2 works that with the two stands 4,5 that is fixedly arranged on temperature control door 11 and dividing plate 14 bottom surfaces respectively door lock is arranged, wherein, the front end of pull bar 2 is dead bolt shape (see figure 7), can be in the hole that support 4 is offered when stressed sway.When buckling into the square hole of offering on the support 5, its front end temperature control door 11 can be closed.This pull bar 2 is easy to reset after also can making it to be pulled by means of the stage clip of setting up 3.In addition, also can adopt permanent magnet as prevent the means that temperature control door 11 is thrown off when closing.
Consult Fig. 2 and Fig. 4, above-mentioned marmem extension spring 7 of closing the door used, its right-hand member is fixed on another support 8 of being located at dividing plate 14 bottom surfaces, left end then is fixed on to be located on temperature control door 11 support 6 on one side, the shown marmem extension spring 7 that is used to close the door that comprises two arranged parallel among the figure, but, also can be only with one.In addition, above-mentioned marmem extension spring 1,7 can be adopted the Ni-Ti material, but also can adopt other alloy materials, and concrete the making designed according to required temperature.Further, because in the utility model, an above-mentioned marmem extension spring 1,7 and a low-voltage dc power supply are linked to be the loop, therefore, the phase point temperature design of this marmem extension spring 1,7 does not have direct relation with goods storehouse 16 interior default temperature, thereby be convenient to its commonality of its manufacturing and augmentation, and, because the each consumption of current of a fan temperature control door that opens and closes of the utility model is less than 0.5 ampere hour, therefore, the direct supply in the above-mentioned loop can adopt general-duty storage battery on automobile, train or the steamer.
Consult Fig. 9, two marmem extension springs 1,7 are a shared direct current power supply, for this reason, employing has the temperature controller 20 of 1 * 2 switching function, so that this two marmems extension spring 1,7 can extremely link to each other with power supply one respectively, another polar end of this power supply then connects the other end of this two marmems extension spring 1,7 respectively via the switching of one stroke switch 12.Consult Fig. 6, the trip switch 12 is fixedly arranged on the bottom surface of dividing plate 14, which is provided with guide wheel 120, and this guide wheel 120 can roll with the keying of door on the positioning plate 13 on the dress door temperature control door 11, thereby reaches common port and the normal-closed end K that switches travel switch 12
2Or Chang Kaiduan K
1Connection.
Fig. 9 shows is the annexation of all parts of attemperating unit during corresponding to temperature control door 11 openings, and wherein, temperature controller 20 and travel switch 12 all place normal-closed end T separately
2, K
2Temperature reaches under the preset and prescribes a time limit in lower floor goods storehouse 16, and temperature controller 20 switches turn to its Chang Kaiduan T
1, so marmem connects spring 7 and is energized and heats, and causes to shrink and make temperature control door 11 close (see figure 10).When temperature control door 11 is closed fully, the common port of travel switch 12 be switched to its Chang Kaiduan K
1Communicate, marmem extension spring this moment 7 circuit are disconnected again, the temperature control door 11 of closing by its tiltedly button pull bar 2 buckle into the square hole of support 5 by the thrust of stage clip 3, make temperature control door 11 unlikely disengagement after outage (seeing Fig. 3 and Figure 11).In temperature control door 11 after closed a period of times, if when temperature reach preset upper limit in the lower floor goods storehouse 16, temperature controller switch turns to normal-closed end T again
2Thereby with marmem extension spring 1 energized, this extension spring 1 is energized heat shrink and spurs oblique button pull bar 2, makes it from support 5 square holes to deviate from, and temperature control door 11 relies on the pulling force of its deadweight and extension spring 1 and opens to the angle (seeing Figure 12) that the steady arm (not shown) is limited.In temperature control door 11 opening processes, the common port of travel switch 12 is switched and its normal-closed end K once more
2Join, marmem extension spring 1 circuit is disconnected, return to temperature control door shown in Figure 9 11 openings, thereby finished the overall process that temperature control door 11 opens and closes.
For guaranteeing that temperature control door 11 can open and close smoothly under the pulling of two marmem extension springs 1,7, these temperature control door 11 hinges 9 and the design that is installed with the support 8,10 of two extension springs, 1,7 one ends should meet and help stressed principle most.Can on the active page of temperature control door 11 hinges 9, add counterweight in case of necessity, so that alleviate required at closing time pulling force.In addition, for guaranteeing that two extension springs 1,7 place the same side of temperature control door 11 can make a keying again, according to force analysis, the height relationships of two stands 8,10 and hinge 9, should be as shown in Figure 3 and Figure 4, the support 10 that also promptly connects extension spring 1 is the highest, and hinge 9 takes second place, and the support 8 that connects extension spring 7 is then minimum.
Though the utility model illustrates with the foregoing description, but it should not be limited to given embodiment, design of the present utility model and the above-mentioned interior various changes and modifications of technical scheme, the those of ordinary skill in those present technique fields all is conspicuous.
Claims (10)
1, a kind of refrigerating transporting apparatus, but comprise a closed container that constitutes by thermal insulation material, its inside is separated into dry ice storehouse (15) and goods storehouse (16) by a thermal baffle (14), wherein, this dry ice storehouse (15) and goods storehouse (16) are equipped with and extraneous passage, to form dry ice respectively from the external world and to obtain goods, it is characterized in that, this dividing plate (14) is provided with at least one fan temperature control door (11), and the keying of this temperature control door (11) is controlled according to default temperature in this goods storehouse (16) by an attemperating unit.
2, refrigerating transporting apparatus according to claim 1 is characterized in that, this attemperating unit comprises and is used separately as the marmem extension spring (1,7) that opens and closes this temperature control door (11).
3, refrigerating transporting apparatus according to claim 2, it is characterized in that, this marmem extension spring (1,7) comprises at least one marmem extension spring (1) and at least one marmem extension spring (7) that is used to close this temperature control door (11) of being used to open this temperature control door (11), and this marmem extension spring (1,7) is linked to be the loop via a temperature controller (20) and the one stroke switch (12) with 1 * 2 on-off action with a low-voltage dc power supply.
According to claim 2 or 3 described refrigerating transporting apparatus, it is characterized in that 4, this marmem extension spring (1,7) is to be fixedly arranged in this temperature control door (11) towards this goods storehouse (16) simultaneously.
5, according to claim 2 or 3 described refrigerating transporting apparatus, it is characterized in that, should be as the marmem extension spring (1) of opening temperature control door (11), the one end is connected on the support (10) that is fixed in this dividing plate (14) bottom surface, the other end connects an oblique button pull bar (2), and this pull bar (2) and the two stands (4,5) that is fixedly arranged in temperature control door (11) and dividing plate (14) bottom surface respectively form the door lock of this temperature control door (11); Should be as the marmem extension spring (7) of closing temperature control door (11), the one end is connected on the support (8) that is fixed on dividing plate (14) bottom surface, and the other end is connected and is fixed on temperature control door (11) support (6) on one side.
6, refrigerating transporting apparatus according to claim 5, it is characterized in that, this temperature control door (11) comprises the hinge (9) of tool certain altitude, and the height of this hinge (9) is connected with another between support (8) of extension spring (7) between the continuous support (10) of this and extension spring (1).
7, refrigerating transporting apparatus according to claim 3, it is characterized in that, the trip switch (12) is fixedly arranged on the bottom surface of this dividing plate (14), which is provided with guide wheel (120), this guide wheel (120) can be gone up and to roll with the keying of door being placed in a positioning plate (13) on the temperature control door (11), makes it to have 1 * 2 switching function.
According to claim 3 or 7 described refrigerating transporting apparatus, it is characterized in that 8, when temperature control door (11) was in unlatching or closed condition, temperature controller (20) and travel switch (12) were in normal-closed end or Chang Kaiduan respectively; When temperature control door (11) be in close or opening process in the time, temperature controller (20) and travel switch (12) be in respectively normally closed (opening) end with often open (closing) end.
According to claim 2 or 3 described refrigerating transporting apparatus, it is characterized in that 9, temperature bound default in covert some temperature of this marmem extension spring (1,7) and goods storehouse (16) does not certainly have direct relation.
10, refrigerating transporting apparatus according to claim 3 is characterized in that, this temperature controller (20) places in this goods storehouse (16), is to be made up of with an expansion of liquids formula temperature controller and a relay common refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94238838 CN2199086Y (en) | 1994-06-04 | 1994-06-04 | Device for transporting refrigerated goods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94238838 CN2199086Y (en) | 1994-06-04 | 1994-06-04 | Device for transporting refrigerated goods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2199086Y true CN2199086Y (en) | 1995-05-31 |
Family
ID=33846158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94238838 Expired - Fee Related CN2199086Y (en) | 1994-06-04 | 1994-06-04 | Device for transporting refrigerated goods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2199086Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092098A (en) * | 2010-12-02 | 2011-06-15 | 三一重工股份有限公司 | Aggregate storage bin for dry-mixed mortar |
| CN108561855A (en) * | 2018-04-25 | 2018-09-21 | 何敬亮 | The illumination heat sink for lamp to carry on construction work at night for building site |
| CN113428497A (en) * | 2021-06-29 | 2021-09-24 | 兰州空间技术物理研究所 | Flexible door cover for extraterrestrial celestial body sample sealed container |
-
1994
- 1994-06-04 CN CN 94238838 patent/CN2199086Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092098A (en) * | 2010-12-02 | 2011-06-15 | 三一重工股份有限公司 | Aggregate storage bin for dry-mixed mortar |
| CN102092098B (en) * | 2010-12-02 | 2012-08-29 | 三一重工股份有限公司 | Aggregate storage bin for dry-mixed mortar |
| CN108561855A (en) * | 2018-04-25 | 2018-09-21 | 何敬亮 | The illumination heat sink for lamp to carry on construction work at night for building site |
| CN113428497A (en) * | 2021-06-29 | 2021-09-24 | 兰州空间技术物理研究所 | Flexible door cover for extraterrestrial celestial body sample sealed container |
| CN113428497B (en) * | 2021-06-29 | 2022-10-04 | 兰州空间技术物理研究所 | Flexible door cover for extraterrestrial celestial body sample sealed container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |