CN202269339U - Nitrogen making machine capable of balancing pressure of controlled atmosphere storage room - Google Patents
Nitrogen making machine capable of balancing pressure of controlled atmosphere storage room Download PDFInfo
- Publication number
- CN202269339U CN202269339U CN2011203708748U CN201120370874U CN202269339U CN 202269339 U CN202269339 U CN 202269339U CN 2011203708748 U CN2011203708748 U CN 2011203708748U CN 201120370874 U CN201120370874 U CN 201120370874U CN 202269339 U CN202269339 U CN 202269339U
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- China
- Prior art keywords
- nitrogen
- pressure
- storage tank
- air
- cold store
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 230
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 115
- 238000004320 controlled atmosphere Methods 0.000 title abstract 12
- 238000002955 isolation Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract 4
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 2
- 230000019771 cognition Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Images
Abstract
The utility model discloses a nitrogen making machine capable of balancing pressure of a controlled atmosphere storage room. The nitrogen making machine comprises a nitrogen storage tank, a first pressure detection device and a control device, wherein the nitrogen storage tank is connected to the controlled atmosphere storage room through a nitrogen outlet channel, and the nitrogen outlet channel is provided with a first adjusting valve; the first pressure detection device is arranged in the controlled atmosphere storage room; the control device is connected with the first pressure detection device and is also connected to the first adjusting valve; and when a pressure difference between the pressure numerical value in the controlled atmosphere storage room and the atmospheric pressure outside the controlled atmosphere storage room is more than 200Pa, the control device controls the first adjusting valve to open. According to the utility model, the nitrogen storage tank of the nitrogen making machine is connected to the controlled atmosphere storage room through the nitrogen outlet channel, the control device can control the first adjusting valve to open according to the pressure numerical value in the controlled atmosphere storage room, detected by the first pressure detection device, so that the nitrogen storage tank is communicated with the controlled atmosphere storage room to achieve the purpose of balancing the pressure in the controlled atmosphere storage tank; in addition, nitrogen in the nitrogen storage tank is introduced into the controlled atmosphere storage room, so that maintenance of a high-nitrogen gas environment in the controlled atmosphere storage room is facilitated.
Description
Technical field
The utility model relates to a kind of nitrogen making machine, but relates in particular to a kind of nitrogen making machine of balance air-conditioned cold store pressure.
Background technology
Air conditioned storage is the modernized preservation technique that on traditional cold storing and fresh-keeping basis, grows up, and the best storage method of effect is considered to put up stores of fruits now.For guaranteeing that gas regulation speed is fast in the air-conditioned cold store, fluctuating range is little, improves storage quality, reduces cost, and just must guarantee that the storehouse body has good air-tightness.But good air-tightness also can be brought the problem of other one side.Under original state, lower the temperature too soon when air-conditioned cold store, because the inside and outside gas in storehouse can not get exchanging in time, the negative pressure the storehouse in is too high, and storehouse cognition is born atmospheric pressure, and this kind situation can influence the stability of storehouse body structure.
The utility model content
But the utility model has been designed and developed a kind of nitrogen making machine of balance air-conditioned cold store pressure.In the utility model; The nitrogen storage tank of nitrogen making machine is connected in air-conditioned cold store through the nitrogen outlet passageway; Control device can be according to the pressure value in the air-conditioned cold store that detects of first pressure-detecting device; Control first control valve and open, thereby nitrogen storage tank is communicated with air-conditioned cold store, reach the purpose of balance air-conditioned cold store internal pressure.And, the nitrogen in the nitrogen storage tank is charged into air-conditioned cold store, also help to keep the gaseous environment of the high nitrogen in the air-conditioned cold store.
The technical scheme that the utility model provides is:
But a kind of nitrogen making machine of balance air-conditioned cold store pressure is characterized in that, comprising:
Nitrogen storage tank, it is connected in the nitrogen isolation film group of nitrogen making machine, and said nitrogen storage tank is connected in air-conditioned cold store through the nitrogen outlet passageway, and said nitrogen outlet passageway is provided with first control valve;
First pressure-detecting device, it is arranged in the said air-conditioned cold store;
Control device, it is connected with said first pressure-detecting device, receives the pressure detecting signal of said first pressure-detecting device, and said control device also is connected in said first control valve, and said control device is controlled said first control valve and is opened.
Preferably, but in the nitrogen making machine of described balance air-conditioned cold store pressure, said nitrogen storage tank is two, and said two nitrogen storage tanks series connection is provided with.
Preferably; But in the nitrogen making machine of described balance air-conditioned cold store pressure, wherein, said nitrogen storage tank near air-conditioned cold store is first nitrogen storage tank; Said nitrogen storage tank near the nitrogen isolation film group is second nitrogen storage tank; And be provided with second control valve between said first nitrogen storage tank and second nitrogen storage tank, be provided with said first control valve between said first nitrogen storage tank and the said air-conditioned cold store, be provided with second pressure-detecting device in said first nitrogen storage tank; Said control device also is connected with said second control valve; Said control device also is connected with said second pressure-detecting device, and said control device receives the pressure detecting signal of said second pressure-detecting device, and said control device is controlled said second control valve and opened.
Preferably, but in the nitrogen making machine of described balance air-conditioned cold store pressure, the volume of said first nitrogen storage tank be about said air-conditioned cold store volume 0.3%～0.4%, the volume of said second nitrogen storage tank be about said air-conditioned cold store volume 0.3%～0.4%.
Preferably; But in the nitrogen making machine of described balance air-conditioned cold store pressure; Be provided with the 3rd pressure-detecting device in said second nitrogen storage tank, said control device is connected with said the 3rd pressure-detecting device, receives the pressure detecting signal of said the 3rd pressure-detecting device.
But the nitrogen making machine of the described balance air-conditioned cold store of the utility model pressure; The nitrogen storage tank of nitrogen making machine is connected in air-conditioned cold store through the nitrogen outlet passageway; Control device can be according to the pressure value in the air-conditioned cold store that detects of first pressure-detecting device; Control first control valve and open, thereby nitrogen storage tank is communicated with air-conditioned cold store, reach the purpose of balance air-conditioned cold store internal pressure.And, the nitrogen in the nitrogen storage tank is charged into air-conditioned cold store, also help to keep the gaseous environment of the high nitrogen in the air-conditioned cold store.
Description of drawings
But Fig. 1 is the structural representation of the nitrogen making machine of the described balance air-conditioned cold store of the utility model pressure.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description, can implement according to this with reference to the specification literal to make those skilled in the art.
As shown in Figure 1; But the utility model provides a kind of nitrogen making machine of balance air-conditioned cold store pressure, comprising: nitrogen storage tank, and it is connected in the nitrogen isolation film group of nitrogen making machine; Said nitrogen storage tank is connected in air-conditioned cold store through the nitrogen outlet passageway, and said nitrogen outlet passageway is provided with first control valve; First pressure-detecting device, it is arranged in the said air-conditioned cold store; Control device, it is connected with said first pressure-detecting device, receives the pressure detecting signal of said first pressure-detecting device, and said control device also is connected in said control valve, and said control device is controlled said first control valve and is opened.
Control device compares pressure value in the detected air-conditioned cold store of first pressure-detecting device and the outer atmospheric pressure of air-conditioned cold store; Atmospheric pressure differential outside pressure value in air-conditioned cold store and the air-conditioned cold store is during greater than 200Pa; First control valve is controlled by control device and opens; The nitrogen storage tank of winning is communicated with, with the negative pressure in the balance air-conditioned cold store with air-conditioned cold store.But this moment, second control valve was not opened, and second nitrogen storage tank also is not communicated with first nitrogen storage tank.When the pressure differential of the pressure value of detected first nitrogen storage tank of second pressure-detecting device and the pressure value in the detected air-conditioned cold store of first pressure-detecting device during less than 20Pa; Control device is controlled second control valve and is opened, and second nitrogen storage tank is communicated with air-conditioned cold store.The design of second nitrogen storage tank is for fear of the not situation of the negative pressure of enough balance air-conditioned cold stores of first nitrogen storage tank occurring.
But in the nitrogen making machine of described balance air-conditioned cold store pressure, said nitrogen storage tank is two, and said two nitrogen storage tanks series connection is provided with.
But in the nitrogen making machine of described balance air-conditioned cold store pressure; Wherein, Said nitrogen storage tank near air-conditioned cold store is first nitrogen storage tank, and said nitrogen storage tank near the nitrogen isolation film group is second nitrogen storage tank, and is provided with second control valve between said first nitrogen storage tank and second nitrogen storage tank; Be provided with said first control valve between said first nitrogen storage tank and the said air-conditioned cold store; Be provided with second pressure-detecting device in said first nitrogen storage tank, said control device also is connected with said second control valve, and said control device also is connected with said second pressure-detecting device; Said control device receives the pressure detecting signal of said second pressure-detecting device, and said control device is controlled said second control valve and opened.
But in the nitrogen making machine of described balance air-conditioned cold store pressure, the volume of said first nitrogen storage tank be about said air-conditioned cold store volume 0.3%～0.4%, the volume of said second nitrogen storage tank be about said air-conditioned cold store volume 0.3%～0.4%.
But in the nitrogen making machine of described balance air-conditioned cold store pressure, be provided with the 3rd pressure-detecting device in said second nitrogen storage tank, said control device is connected with said the 3rd pressure-detecting device, receives the pressure detecting signal of said the 3rd pressure-detecting device.
Although the embodiment of the utility model is open as above; But it is not restricted to listed utilization in specification and the embodiment; It can be applied to the field of various suitable the utility model fully, for being familiar with those skilled in the art, can easily realize other modification; Therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the utility model is not limited to specific details and illustrates here and describe.
Claims (5)
1. but the nitrogen making machine of a balance air-conditioned cold store pressure is characterized in that, comprising:
Nitrogen storage tank, it is connected in the nitrogen isolation film group of nitrogen making machine, and said nitrogen storage tank is connected in air-conditioned cold store through the nitrogen outlet passageway, and said nitrogen outlet passageway is provided with first control valve;
First pressure-detecting device, it is arranged in the said air-conditioned cold store;
Control device, it is connected with said first pressure-detecting device, receives the pressure detecting signal of said first pressure-detecting device, and said control device also is connected in said first control valve, and said control device is controlled said first control valve and is opened.
2. but the nitrogen making machine of balance air-conditioned cold store pressure as claimed in claim 1 is characterized in that, said nitrogen storage tank is two, and said two nitrogen storage tanks series connection is provided with.
3. but the nitrogen making machine of balance air-conditioned cold store pressure as claimed in claim 2; It is characterized in that wherein, said nitrogen storage tank near air-conditioned cold store is first nitrogen storage tank; Said nitrogen storage tank near the nitrogen isolation film group is second nitrogen storage tank; And be provided with second control valve between said first nitrogen storage tank and second nitrogen storage tank, be provided with said first control valve between said first nitrogen storage tank and the said air-conditioned cold store, be provided with second pressure-detecting device in said first nitrogen storage tank; Said control device also is connected with said second control valve; Said control device also is connected with said second pressure-detecting device, and said control device receives the pressure detecting signal of said second pressure-detecting device, and said control device is controlled said second control valve and opened.
4. but the nitrogen making machine of balance air-conditioned cold store pressure as claimed in claim 3; It is characterized in that; The volume of said first nitrogen storage tank be about said air-conditioned cold store volume 0.3%～0.4%, the volume of said second nitrogen storage tank be about said air-conditioned cold store volume 0.3%～0.4%.
5. but the nitrogen making machine of balance air-conditioned cold store pressure as claimed in claim 3; It is characterized in that; Be provided with the 3rd pressure-detecting device in said second nitrogen storage tank, said control device is connected with said the 3rd pressure-detecting device, receives the pressure detecting signal of said the 3rd pressure-detecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203708748U CN202269339U (en) | 2011-09-29 | 2011-09-29 | Nitrogen making machine capable of balancing pressure of controlled atmosphere storage room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203708748U CN202269339U (en) | 2011-09-29 | 2011-09-29 | Nitrogen making machine capable of balancing pressure of controlled atmosphere storage room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202269339U true CN202269339U (en) | 2012-06-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203708748U Expired - Lifetime CN202269339U (en) | 2011-09-29 | 2011-09-29 | Nitrogen making machine capable of balancing pressure of controlled atmosphere storage room |
Country Status (1)
| Country | Link |
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| CN (1) | CN202269339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382782A (en) * | 2013-07-04 | 2013-11-06 | 浙江月宫冷链设备有限公司 | Air-conditioned cold store capable of automatically regulating air pressure |
-
2011
- 2011-09-29 CN CN2011203708748U patent/CN202269339U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382782A (en) * | 2013-07-04 | 2013-11-06 | 浙江月宫冷链设备有限公司 | Air-conditioned cold store capable of automatically regulating air pressure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN CNRO SCIENCE-TECHNOLOGY DEVELOPMENT CO., L Free format text: FORMER OWNER: GUO XIAOGUANG Effective date: 20121012 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121012 Address after: 300409, 66, hi tech Avenue, Beichen Science Park, Tianjin Patentee after: Tianjin Cero Technology Development Co., Ltd. Address before: 300409, 66, hi tech Avenue, Beichen Science Park, Tianjin Patentee before: Guo Xiaoguang |
|
| C56 | Change in the name or address of the patentee |
Owner name: TIANJIN SENLUO TECHNOLOGY CO., LTD. Free format text: FORMER NAME: TIANJIN CNRO SCIENCE-TECHNOLOGY DEVELOPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 300409, 66, hi tech Avenue, Beichen Science Park, Tianjin Patentee after: TIANJIN CNRO SCIENCE TECHNOLOGY CO., LTD. Address before: 300409, 66, hi tech Avenue, Beichen Science Park, Tianjin Patentee before: Tianjin Cero Technology Development Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Nitrogen making machine capable of balancing pressure of controlled atmosphere storage room Effective date of registration: 20170310 Granted publication date: 20120613 Pledgee: Bank of Ningxia Tianjin branch, Limited by Share Ltd, Beichen Pledgor: TIANJIN CNRO SCIENCE TECHNOLOGY CO., LTD. Registration number: 2017990000179 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200313 Granted publication date: 20120613 Pledgee: Bank of Ningxia Tianjin branch, Limited by Share Ltd, Beichen Pledgor: TIANJIN CNRO SCIENCE TECHNOLOGY Co.,Ltd. Registration number: 2017990000179 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120613 |