CN204846926U - Pressure regulating system for inside frozen products insulated container - Google Patents
Pressure regulating system for inside frozen products insulated container Download PDFInfo
- Publication number
- CN204846926U CN204846926U CN201520500547.8U CN201520500547U CN204846926U CN 204846926 U CN204846926 U CN 204846926U CN 201520500547 U CN201520500547 U CN 201520500547U CN 204846926 U CN204846926 U CN 204846926U
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- pressure
- control unit
- main control
- regulating
- regulating system
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Abstract
The utility model discloses a pressure regulating system for inside frozen products insulated container. Pressure regulating system includes the main control unit, pressure sensor and two sets of pressure adjustment assembly. The main control unit is connected with two sets of pressure adjustment assembly electricity respectively to adjust malleation and negative pressure respectively, the main control unit is connected with the pressure sensor electricity, and pressure sensor sensing pressure value is transmitted the pressure value to the main control unit. According to the utility model discloses a be applied to the inside pressure regulating system of frozen products insulated container, the main control unit controls pressure adjustment assembly according to the pressure value that the pressure sensor sensing arrived to incasement pressure to the frozen products insulated container is adjusted, can satisfy the distant refrigerated transport's of article such as vegetables, fruit pressure requirement.
Description
Technical field
The utility model relates to freight container field, particularly relates to a kind ofly be applied to the voltage-regulating system of refrigerated container inside and have its refrigerated container.
Background technology
Existing refrigerated container, all be equipped with the cold system of regulation and control refrigerated container the temperature inside the box, the temperature inside the box accurately can be regulated and controled on demand, but in some specific occasions, the transport of such as fruits and vegetables, also need to regulate the pressure parameter in refrigerated container case, perishable fruits and vegetables far products can be transported when environment is suitable, be vegetables at some refrigerated transport goods, the occasion that fruit etc. are higher to fresh-keeping requirement, need ice chest and external pressure difference at ± about 200Pa, so have higher requirements to refrigerated container internal pressure parameter.
Utility model content
In utility model content part, introduce the concept of a series of reduced form, this will further describe in detailed description of the invention part.Utility model content part of the present utility model does not also mean that the key feature and essential features that will attempt to limit technical scheme required for protection, does not more mean that the protection domain attempting to determine technical scheme required for protection.
In order to solve the problem, the utility model discloses a kind of voltage-regulating system being applied to refrigerated container inside, it is characterized in that, described voltage-regulating system comprises main control unit, two cover pressure-regulating device and pressure sensors, described main control unit overlaps pressure-regulating device with described two respectively and is electrically connected, to regulate malleation and negative pressure respectively, described main control unit is electrically connected with described pressure sensor, and described force value is also passed to described main control unit by described pressure sensor senses force value.
Alternatively, described pressure-regulating device comprises: pressure air door, pressure wind door motor, damper positions detector switch and regulating fan, described main control unit controls described pressure wind door motor to open or close described pressure air door, described damper positions detector switch detects the position of described pressure air door, and described main control unit regulates the rotating speed of described regulating fan.
Alternatively, described pressure sensor comprises the case external pressure sensor being arranged on described refrigerated container outside face and the case pressure sensor being arranged on described refrigerated container inside face.
Alternatively, described pressure-regulating device is connected with described main control unit via RS485 bus, RS232 bus or CAN.
In addition, the invention also discloses a kind of refrigerated container, it comprises above-mentioned voltage-regulating system.
According to the voltage-regulating system being applied to refrigerated container inside of the present utility model, comprise main control unit, two cover pressure-regulating device and pressure sensors.Described main control unit overlaps pressure-regulating device with described two respectively and is electrically connected, to regulate malleation and negative pressure respectively, described main control unit is electrically connected with described pressure sensor, and described force value is also passed to described main control unit by described pressure sensor senses force value.The force value control presssure control apparatus that main control unit arrives according to pressure sensor senses, thus the case internal pressure of refrigerated container is regulated.To meet the pressure requirements of the long-distance refrigerated transport of the article such as veterinary antibiotics.
Accompanying drawing explanation
The following accompanying drawing of the utility model embodiment in this as a part of the present utility model for understanding the utility model.Shown in the drawings of embodiment of the present utility model and description thereof, be used for explaining principle of the present utility model.In the accompanying drawings,
Fig. 1 is according to a kind of framed structure schematic diagram being applied to the voltage-regulating system of refrigerated container inside of the present utility model;
Fig. 2 is according to a kind of diagram of circuit being applied to the voltage-regulating system of refrigerated container inside of the present utility model;
Fig. 3 is the birds-eye view according to a kind of pressure-regulating device of the present utility model; And
Fig. 4 is the lateral plan of Fig. 3.
Description of reference numerals:
1, regulating fan 2, air door push rod
3, pressure air door 4, damper positions detector switch
Detailed description of the invention
In the following description, give a large amount of concrete details to provide to understand more thoroughly the utility model.But, it will be apparent to one skilled in the art that the utility model embodiment can be implemented without the need to these details one or more.In other example, in order to avoid obscuring with the utility model embodiment, technical characteristics more well known in the art are not described.
In order to thoroughly understand the utility model embodiment, by following description, detailed structure is proposed.Obviously, the execution of the utility model embodiment is not limited to the specific details that those skilled in the art has the knack of.Better embodiment of the present utility model is described in detail as follows, but except these are described in detail, the utility model can also have other embodiments.
With reference to figure 1, the utility model discloses a kind of voltage-regulating system being applied to refrigerated container inside, it is for regulating and controlling the pressure of refrigerated container inside, and the refrigerated container environmental parameters regulated and controled by native system can meet the pressure requirements of the long-distance refrigerated transport of the article such as veterinary antibiotics.
The voltage-regulating system being applied to refrigerated container inside comprises main control unit, two cover pressure-regulating device and pressure sensors.Two cover pressure-regulating devices and pressure sensor are electrically connected with main control unit respectively, and two cover pressure-regulating devices are respectively used to regulate malleation and negative pressure.
Main control unit is electrically connected with pressure sensor, and force value is also passed to main control unit by pressure sensor senses force value.Pressure sensor comprises the case external pressure sensor be arranged on outside refrigerated container and the case pressure sensor be arranged in refrigerated container.
The pressure information control presssure control apparatus that main control unit arrives according to pressure sensor senses, thus the case internal pressure of refrigerated container is regulated.
Particularly, the operation of the whole voltage-regulating system of main control unit major control, the state of its Real-time Collection voltage-regulating system and pressure sensor parameter (mode of operation comprising pressure sensor and the force value etc. sensed).And order can be sent to pressure-regulating device, control its work, thus maintain the normal work of whole system.
Particularly, main control unit can micro controller system, because its cost is lower, can reduce manufacturing cost.Main control unit can comprise input end and mouth, and the input end of main control unit is connected with the sensors such as pressure sensor or switch, and mouth can be connected with pressure-regulating device.
In a kind of Alternate embodiments, main control unit can adopt the STM32F103RBT6 control unit of low-power consumption mode, those skilled in the art should know, main control unit comprises multiple peripheral apparatus, for the data acquisition of pressure charge sensor unit and the coordination of exchange and various execution unit control circuit, and can coordinate with electric power management circuit the power consumption controlling whole system.
Further, pressure-regulating device can be connected with main control unit via RS485 bus, RS232 bus or CAN.It will be appreciated by those skilled in the art that pressure sensor also can be connected with main control unit via RS485 bus, RS232 bus or CAN.
Pressure sensor inside adopts special high-precision sensing device, has higher precision and reliability.Preferably, pressure sensor can arrange 2 tunnels, and each road is provided with multiple sensor, respectively equidistant inside face and the outside face being installed on refrigerated container, with the force value in difference vasculum and outside case, judges the pressure difference value inside and outside case for main control unit.Usually, requiring that this difference of pressure is ± about 200Pa, when exceeding this value, needing to carry out regulating case internal pressure.
As shown in Figure 1, main control unit connects malleation controller of fan and negative-pressure air fan controller respectively, and malleation controller of fan and negative-pressure air fan controller control positive blowdown fan and negative-pressure air fan respectively.In addition, main control unit is electrically connected with case pressure sensor and case pressure sensor, to pass through the pressure information in sensor vasculum and outside case.
In order to make when not regulating pressure refrigerated container keep isolating with extraneous, and can communicate with ambient systems when pressure regulation, pressure-regulating device as shown in Figure 3 and Figure 4 can be used.Particularly, often overlap pressure-regulating device to comprise: pressure air door 3, pressure wind door motor, damper positions detector switch and regulating fan 1.It should be noted that, in positive pressure control apparatus, regulating fan 1 is positive blowdown fan, and in negative pressure control apparatus, regulating fan 1 is negative-pressure air fan.The opening and closing of pressure wind door motor control presssure air door 3, the position of damper positions detector switch detected pressures air door 3, regulating fan 1 can according to the control and regulation rotating speed of main control unit.On the two cover pressure-regulating devices sidewalls that can be arranged on refrigerated container or end wall, two cover pressure-regulating devices are oppositely installed.
With reference to figure 1, main control unit is connected with positive pressure control apparatus and negative pressure control apparatus respectively.Pressure-regulating device comprise positive air door formed switch (it is as an example of damper positions detector switch), main control unit according to its position signal, output command to positive pressure damper motor, with the opening and closing making it control positive pressure air door.Similarly, pressure-regulating device comprise negative air door formed switch (it is as an example of damper positions detector switch), main control unit according to its position signal, output command to negative pressure damper motor, with the opening and closing making it control negative pressure air door.
On the sidewall that pressure air door 3 is arranged on refrigerated container or end wall, it can open or close, the opening and closing of pressure air door 3 realize by air door push rod 2 (example as pressure wind door motor), in the shown embodiment, one end of air door push rod 2 is connected with pressure air door 3, and the other end is connected with refrigerated container.Air door push rod 2 can comprise body and pars contractilis, pars contractilis telescopically in body moves, thus when the pars contractilis of air door push rod 2 stretches out body, pressure air door 3 is closed, and when the pars contractilis retraction body of air door push rod 2, pressure air door 2 is opened.
As shown in Figures 2 and 3, when surge tank internal pressure, the pressure information collected and target pressure value compare by main control unit, and when reaching predetermined force value (when meeting the requirements), pressure has regulated.Now first shutoff pressure air door 3, then the rotating speed of slow falling tone blowdown fan 1 is until stop, and leaks to prevent pressure.
Particularly, during surge tank internal pressure, main control unit controls air door push rod 2 makes pressure air door 3 open, and the position of damper positions detector switch 4 detected pressures air door 3, main control unit regulates the working speed of regulating fan 1.
The box house of refrigerated container is communicated with positive blowdown fan via the positive pressure air door of a set of pressure-regulating device (positive pressure control apparatus), and this positive blowdown fan is communicated with the casing outside (ambient atmosphere) of refrigerated container.
The casing outside (ambient atmosphere) of refrigerated container is communicated with negative-pressure air fan via the negative pressure air door of another set of pressure-regulating device (negative pressure control apparatus), and this negative-pressure air fan is communicated with the box house of refrigerated container.
According to the voltage-regulating system being applied to refrigerated container inside of the present utility model, comprise main control unit, two cover pressure-regulating device and pressure sensors.The force value control presssure control apparatus that main control unit arrives according to pressure sensor senses, thus the case internal pressure of refrigerated container is regulated.To meet the pressure requirements of the long-distance refrigerated transport of the article such as veterinary antibiotics.
In addition, the invention also discloses a kind of refrigerated container, it comprises above-mentioned voltage-regulating system.
The utility model is illustrated by above-mentioned embodiment, but should be understood that, above-mentioned embodiment just for the object of illustrating and illustrate, and is not intended to the utility model to be limited within the scope of described embodiment.In addition it will be understood by those skilled in the art that; the utility model is not limited to above-mentioned embodiment; more kinds of variants and modifications can also be made, within these variants and modifications all drop on the utility model scope required for protection according to instruction of the present utility model.
Claims (5)
1. one kind is applied to the voltage-regulating system of refrigerated container inside, it is characterized in that, described voltage-regulating system comprises main control unit, pressure sensor and two cover pressure-regulating devices, described main control unit overlaps pressure-regulating device with described two respectively and is electrically connected, to regulate malleation and negative pressure respectively, described main control unit is electrically connected with described pressure sensor, and described force value is also passed to described main control unit by described pressure sensor senses force value.
2. voltage-regulating system according to claim 1, it is characterized in that, described pressure-regulating device comprises: pressure air door, pressure wind door motor, damper positions detector switch and regulating fan, described main control unit controls described pressure wind door motor to open or close described pressure air door, described damper positions detector switch detects the position of described pressure air door, and described main control unit regulates the rotating speed of described regulating fan.
3. voltage-regulating system according to claim 1, is characterized in that, described pressure sensor comprises the case external pressure sensor being arranged on described refrigerated container outside face and the case pressure sensor being arranged on described refrigerated container inside face.
4. voltage-regulating system according to claim 1, is characterized in that, described pressure-regulating device is connected with described main control unit via RS485 bus, RS232 bus or CAN.
5. a refrigerated container, is characterized in that, described refrigerated container comprises the voltage-regulating system according to any one in Claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520500547.8U CN204846926U (en) | 2015-07-10 | 2015-07-10 | Pressure regulating system for inside frozen products insulated container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520500547.8U CN204846926U (en) | 2015-07-10 | 2015-07-10 | Pressure regulating system for inside frozen products insulated container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204846926U true CN204846926U (en) | 2015-12-09 |
Family
ID=54737499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520500547.8U Expired - Fee Related CN204846926U (en) | 2015-07-10 | 2015-07-10 | Pressure regulating system for inside frozen products insulated container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204846926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107323897A (en) * | 2016-04-29 | 2017-11-07 | 大连中集物流装备有限公司 | Container |
-
2015
- 2015-07-10 CN CN201520500547.8U patent/CN204846926U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107323897A (en) * | 2016-04-29 | 2017-11-07 | 大连中集物流装备有限公司 | Container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20200710 |