CN109906948B - Air internal circulation system of IVC experimental animal box and control method - Google Patents
Air internal circulation system of IVC experimental animal box and control method Download PDFInfo
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- CN109906948B CN109906948B CN201910264877.4A CN201910264877A CN109906948B CN 109906948 B CN109906948 B CN 109906948B CN 201910264877 A CN201910264877 A CN 201910264877A CN 109906948 B CN109906948 B CN 109906948B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention provides an air internal circulation system of an IVC experimental animal box, which comprises: the exhaust fan is respectively connected with the sterilizing gas inlet and the exhaust pipeline, the exhaust pipeline is provided with an exhaust valve, the exhaust pipeline is also connected with a first internal circulation pipeline, and the first internal circulation pipeline is provided with a first internal circulation valve; the air feeder is respectively connected with an air inlet pipeline, an air supply pipeline and a second internal circulation pipeline, the first internal circulation pipeline is connected to the air inlet pipeline, a first air supply valve is arranged on the air inlet pipeline, a second air supply valve is arranged on the air supply pipeline, a second internal circulation valve is arranged on the second internal circulation pipeline, the second internal circulation pipeline is provided with a sterilizing gas outlet, the second internal circulation pipeline is connected with an air return pipeline, the air return pipeline is simultaneously connected with an exhaust fan component, and the air return pipeline is provided with an air return valve. The invention also provides a control method of the air internal circulation system. Compared with the prior art, the invention can effectively solve the pollution problem when the filter element is replaced by the prior IVC experimental animal box.
Description
Technical Field
The invention relates to the field of IVC experimental animal boxes, in particular to an air internal circulation system of an IVC experimental animal box and a control method.
Background
IVC is the abbreviation of individual ventilated cages, chinese name is called independent ventilation cage, and the independent ventilation IVC experimental animal box body refers to a feeding and experimental device which feeds clean air into a closed independent unit (such as a cage box or an IVC experimental animal box) and discharges waste gas intensively, and can operate and feed SPF experimental animals in an ultra-clean workbench.
In the IVC type experimental animal IVC experimental animal box used at present, when the filter element part is required to be replaced, because a plurality of toxic components during filtration can be remained in the filter element part, a plurality of disinfection measures are required to be carried out during the replacement of the filter element part, and the problem of secondary pollution is caused by the leakage of the toxic components to the environment due to a little improper operation.
Disclosure of Invention
In view of the above, the invention provides an air internal circulation system of an IVC experimental animal box and a control method, which can effectively solve the pollution problem when the filter element of the existing IVC experimental animal box is replaced.
To this end, in one aspect, the present invention provides an air internal circulation system of an IVC laboratory animal box, comprising:
the exhaust fan component is respectively connected with the sterilizing gas inlet and the exhaust pipeline, the exhaust pipeline is provided with an exhaust valve, the exhaust pipeline is also connected with a first internal circulation pipeline, and the first internal circulation pipeline is provided with a first internal circulation valve;
the air feeder component is respectively connected with an air inlet pipeline, an air supply pipeline and a second internal circulation pipeline, the first internal circulation pipeline is connected to the air inlet pipeline, a first air supply valve is arranged on the air inlet pipeline, a second air supply valve is arranged on the air supply pipeline, a second internal circulation valve is arranged on the second internal circulation pipeline, the second internal circulation pipeline is provided with a sterilizing gas outlet, the second internal circulation pipeline is connected with an air return pipeline, the air return pipeline is simultaneously connected with an exhaust fan component, and the air return pipeline is provided with an air return valve.
Further, the connection part of the first internal circulation pipeline and the exhaust pipeline is positioned between the exhaust fan component and the exhaust valve.
Further, the connection part of the first internal circulation pipeline and the air inlet pipeline is positioned between the blower component and the first air supply valve.
Further, the connection part of the second internal circulation pipeline and the return air pipeline is positioned between the exhaust fan component and the return air valve.
Further, the junction between the second internal circulation line and the sterilizing gas outlet is located between the blower member and the second internal circulation valve.
Further, the exhaust fan and the blower are arranged in a straight line along a vertical direction.
Further, the exhaust fan part includes an exhaust fan and a first filter.
Further, the blower member includes a blower and a second filter.
Further, the sterilizing gas inlet is a hydrogen peroxide inlet, and the sterilizing gas outlet is a hydrogen peroxide outlet.
In another aspect, the invention provides a method for controlling the air internal circulation of an IVC experimental animal box, comprising the following steps:
1) Closing the exhaust valve, the first air supply valve, the second air supply valve and the return air valve;
2) The sterilizing gas is input into the sterilizing gas inlet, and is sent into the first internal circulation pipeline through the exhaust fan component, the first internal circulation pipeline sends the sterilizing gas into the blower component through the air inlet pipeline, and the blower component sends the sterilizing gas into the sterilizing gas outlet through the second internal circulation pipeline;
3) The sterilizing gas is sent into an IVC experimental animal box through a sterilizing gas outlet for sterilizing operation;
4) Closing the first internal circulation valve and the second internal circulation valve, and opening the exhaust valve, the first air supply valve, the second air supply valve and the return air valve;
5) Fresh air is sent through the first air supply valve, the fresh air is sent into the air supply pipeline through the air supply part, and the air supply pipeline continuously sends the fresh air into the IVC experimental animal box;
6) The old air in the IVC experimental animal box is sent into the exhaust fan component through the air return pipeline, filtered in the exhaust fan component and then sent into the exhaust pipeline, and the exhaust pipeline is exhausted.
According to the air internal circulation system and the control method of the IVC experimental animal box, provided by the invention, the environment before the filter component is replaced in the IVC experimental animal box is disinfected mainly through the exhaust fan, the blower, a series of pipelines and six valves;
the specific process is as follows: closing an exhaust valve, a first air supply valve, a second air supply valve and an air return valve, inputting sterilizing gas into a sterilizing gas inlet, conveying the sterilizing gas into a first internal circulation pipeline through an exhaust fan component, conveying the sterilizing gas into an air blower component through an air inlet pipeline by the first internal circulation pipeline, conveying the sterilizing gas into a sterilizing gas outlet through a second internal circulation pipeline by the air blower component, and conveying the sterilizing gas into an IVC experimental animal box through the sterilizing gas outlet for sterilizing operation;
through the technical scheme of the improvement, the quick disinfection of the internal environment can be completed before the IVC experimental animal box is opened, and the normal IVC air flow operation of the IVC experimental animal box is ensured, namely, the disinfection operation of the internal environment is realized on the basis of an IVC air flow pipeline, so that the internal environment of the IVC experimental animal box is pollution-free when the filter element component is replaced, and the pollution problem when the filter element is replaced by the traditional IVC experimental animal box can be effectively solved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
fig. 1 is a schematic diagram of an internal circulation architecture of an air internal circulation system of an IVC laboratory animal box according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an air internal circulation system of an IVC experimental animal box under a side view angle according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an air internal circulation system of an IVC experimental animal box under an axial angle in an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Referring to fig. 1 to 3, there is shown an air internal circulation system of an IVC laboratory animal box according to an embodiment of the present invention, in which an exhaust fan part 1 and a blower part 2, and a series of pipes and six valves are mainly provided, as described below.
With continued reference to fig. 1 to 3, the exhaust fan component 1 is respectively connected with the sterilizing gas inlet 11 and the exhaust pipeline 12, the sterilizing gas is specifically hydrogen peroxide gas, the exhaust pipeline 12 is provided with the exhaust valve V6, the exhaust pipeline 12 is also connected with the first internal circulation pipeline 13, the first internal circulation pipeline 13 is provided with the first internal circulation valve V5, and the connection part of the first internal circulation pipeline 13 and the exhaust pipeline 12 is positioned between the exhaust fan component 1 and the exhaust valve V6.
With continued reference to fig. 1 to 3, the blower part 2 is connected to the air intake duct 21, the air supply duct 22 and the second internal circulation duct 23, the first internal circulation duct 13 is connected to the air intake duct 21, the first air supply valve V1 is installed on the air intake duct 21, the connection between the first internal circulation duct 13 and the air intake duct 21 is located between the blower part 2 and the first air supply valve V1, the second air supply valve V2 is installed on the air supply duct 22, the second internal circulation duct 23 is installed with the second internal circulation valve V3, the second internal circulation duct 23 has the sterilizing gas outlet 231, the connection between the second internal circulation duct 23 and the sterilizing gas outlet 231 is located between the blower part 2 and the second internal circulation valve V3, the second internal circulation duct 23 is connected to the air return duct 24, the air return duct 24 is simultaneously connected to the exhaust fan part 1, the air return valve V4 is installed on the air return duct 24, and the connection between the second internal circulation duct 23 and the air return duct 24 is located between the exhaust fan part 1 and the air valve V4.
Referring to fig. 2 to 3, in order to secure compactness of the overall structure, the exhaust fan part 1 and the blower part 2 are arranged in a straight line along a vertical direction.
Referring to fig. 1 to 3, in order to realize a filtering function at the time of exhausting, the exhaust fan unit 1 includes an exhaust fan 14 and a first filter 141, and the first filter 141 may be a commercially available high-efficiency filter; in order to realize the filtering function at the time of blowing, the blower unit 2 includes the blower 25 and the second filter 251, and the second filter 251 may be a commercially available high-efficiency filter.
With reference to fig. 1 to 3, the air internal circulation system of the IVC experimental animal box provided by the embodiment of the invention realizes disinfection by the following control method (i.e. working principle):
step 1: closing the exhaust valve V6, the first air supply valve V1, the second air supply valve V2 and the return air valve V4;
step 2: the sterilizing gas is input into the sterilizing gas inlet, the sterilizing gas is sent into the first internal circulation pipeline 13 through the exhaust fan component 1, the sterilizing gas is sent into the blower component 2 through the air inlet pipeline 21 by the first internal circulation pipeline 13, and the sterilizing gas is sent into the sterilizing gas outlet through the second internal circulation pipeline 23 by the blower component 2;
step 3: the sterilizing gas is sent into an IVC experimental animal box through a sterilizing gas outlet for sterilizing operation;
step 4: closing the first internal circulation valve V5 and the second internal circulation valve V3, and opening the exhaust valve V6, the first air supply valve V1, the second air supply valve V2 and the return air valve V4;
step 5: fresh air is sent through the first air supply valve V1, the fresh air is sent into the air supply pipeline 22 through the air supply part 2, and the air supply pipeline 22 continuously sends the fresh air into the IVC experimental animal box;
step 6: the old air in the IVC experimental animal box is sent to the exhaust fan component 1 through the return air pipeline 24, filtered in the exhaust fan component 1 and then sent to the exhaust pipeline 12, and the exhaust pipeline 12 is exhausted.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. An air internal circulation system of an IVC laboratory animal box, comprising:
the exhaust fan component (1) is respectively connected with the sterilizing gas inlet (11) and the exhaust pipeline (12), an exhaust valve (V6) is arranged on the exhaust pipeline (12), a first internal circulation pipeline (13) is further connected to the exhaust pipeline (12), and a first internal circulation valve (V5) is arranged on the first internal circulation pipeline (13);
the air feeder component (2) is respectively connected with an air inlet pipeline (21), an air supply pipeline (22) and a second internal circulation pipeline (23), the first internal circulation pipeline (13) is connected to the air inlet pipeline (21), a first air supply valve (V1) is arranged on the air inlet pipeline (21), a second air supply valve (V2) is arranged on the air supply pipeline (22), a second internal circulation valve (V3) is arranged on the second internal circulation pipeline (23), the second internal circulation pipeline (23) is provided with a sterilizing air outlet, the second internal circulation pipeline (23) is connected with an air return pipeline (24), the air return pipeline (24) is simultaneously connected with an exhaust fan component (1), the connection part of the first internal circulation pipeline (13) and the air exhaust pipeline (12) is positioned between the exhaust fan component (1) and the air exhaust valve (V6), the connection part of the first internal circulation pipeline (13) and the air inlet pipeline (21) is positioned between the first air supply valve (2) and the air return pipeline (24) and the air exhaust valve (1), the connection between the second internal circulation line (23) and the sterilizing gas outlet is located between the blower part (2) and the second internal circulation valve (V3).
2. An air internal circulation system of an IVC laboratory animal box according to claim 1, characterized in that the exhaust fan part (1) and the blower part (2) are arranged in a straight line along a vertical direction.
3. An air circulation system of an IVC laboratory animal box according to claim 1 or 2, characterized in that the exhaust fan unit (1) comprises an exhaust fan (14) and a first filter (141).
4. An in-air circulation system of an IVC laboratory animal box according to claim 1 or 2, characterized in that the blower part (2) comprises a blower (25) and a second filter (251).
5. The air internal circulation system of an IVC laboratory animal box of claim 1, wherein the sterilizing gas inlet is a hydrogen peroxide inlet and the sterilizing gas outlet is a hydrogen peroxide outlet.
6. The method for controlling the air internal circulation system of an IVC laboratory animal box according to claim 1, comprising the steps of:
1) Closing an exhaust valve (V6), a first air supply valve (V1), a second air supply valve (V2) and a return air valve (V4);
2) The sterilizing gas is input into the sterilizing gas inlet, the sterilizing gas is sent into a first internal circulation pipeline (13) through an exhaust fan component (1), the sterilizing gas is sent into a blower component (2) through an air inlet pipeline (21) by the first internal circulation pipeline (13), and the sterilizing gas is sent into a sterilizing gas outlet through a second internal circulation pipeline (23) by the blower component (2);
3) The sterilizing gas is sent into an IVC experimental animal box through the sterilizing gas outlet for sterilizing operation;
4) Closing a first internal circulation valve (V5) and a second internal circulation valve (V3), and opening the exhaust valve (V6), the first air supply valve (V1), the second air supply valve (V2) and the return air valve (V4);
5) Fresh air is sent into the IVC experimental animal box through the first air supply valve (V1), the fresh air is sent into an air supply pipeline (22) through the air supply device (2), and the air supply pipeline (22) continuously sends the fresh air into the IVC experimental animal box;
6) Old air in the IVC experimental animal box is sent into the exhaust fan component (1) through the return air pipeline (24), the old air is filtered in the exhaust fan component (1) and then sent into the exhaust pipeline (12), and the exhaust pipeline (12) is exhausted.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910264877.4A CN109906948B (en) | 2019-04-03 | 2019-04-03 | Air internal circulation system of IVC experimental animal box and control method |
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| CN201910264877.4A CN109906948B (en) | 2019-04-03 | 2019-04-03 | Air internal circulation system of IVC experimental animal box and control method |
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| CN109906948B true CN109906948B (en) | 2023-07-18 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230277717A1 (en) | 2020-08-06 | 2023-09-07 | Parag Vijay JAIN | Uv-c light in the ventilator unit of individually ventilated caging system |
| CN115136899B (en) * | 2022-05-24 | 2023-05-30 | 温州医科大学 | IVC cage for biological experiment |
| CN115399244B (en) * | 2022-08-30 | 2023-08-01 | 温州医科大学 | A Versatile IVC for Laboratory Animal Euthanasia |
| CN117158326B (en) * | 2023-09-20 | 2024-03-19 | 江苏韦本医疗设备科技有限公司 | Air internal circulation system of IVC test animal box |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3146864U (en) * | 2008-09-23 | 2008-12-04 | キーテック工業株式会社 | Waste heat recovery type residential indoor and 1st floor space air conditioning system |
| CN108592289A (en) * | 2018-04-17 | 2018-09-28 | 深圳市朗奥洁净科技股份有限公司 | Toilet's intelligence control system |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3047738U (en) * | 1997-10-02 | 1998-04-24 | 杏弘有限公司 | Automatic smoke disinfection equipment for pipes or enclosed spaces |
| US6257171B1 (en) * | 1998-01-16 | 2001-07-10 | Animal Care Systems, Inc. | Animal caging and biological storage systems |
| JP3275094B2 (en) * | 1999-12-06 | 2002-04-15 | 太陽電子株式会社 | Small animal ward |
| JP4374294B2 (en) * | 2004-08-02 | 2009-12-02 | 株式会社日立産機システム | Safety cabinet |
| CN101485294B (en) * | 2008-12-19 | 2012-05-30 | 苏州市苏杭科技器材有限公司 | Biosafety cage box system |
| CN102059160B (en) * | 2010-10-20 | 2013-04-03 | 中国人民解放军军事医学科学院微生物流行病研究所 | Biological safety protection cabin |
| CN102814202B (en) * | 2011-06-10 | 2015-09-23 | 北京世安科兴科技开发有限责任公司 | A kind of III level biological safety cabinet |
| WO2013131436A1 (en) * | 2012-03-05 | 2013-09-12 | Rong Guohua | Air-conditioning unit with heat recovery |
| CN107477724A (en) * | 2017-08-09 | 2017-12-15 | 同济大学 | The medical air processing unit that can periodically sterilize |
| CN107930704A (en) * | 2017-12-22 | 2018-04-20 | 中国人民解放军军事医学科学院卫生装备研究所 | A kind of bio-safety isolating device |
| CN207678579U (en) * | 2017-12-27 | 2018-08-03 | 北京博瑞世安科技有限公司 | A kind of IVC equipment of simulated experiment animal environment heating damping |
| CN108990811B (en) * | 2018-08-22 | 2021-12-21 | 深圳市泓腾生物科技有限公司 | Biological safety type independent ventilation cage |
| CN209882758U (en) * | 2019-04-03 | 2020-01-03 | 苏州市冯氏实验动物设备有限公司 | Air internal circulation system of IVC experimental animal case |
-
2019
- 2019-04-03 CN CN201910264877.4A patent/CN109906948B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3146864U (en) * | 2008-09-23 | 2008-12-04 | キーテック工業株式会社 | Waste heat recovery type residential indoor and 1st floor space air conditioning system |
| CN108592289A (en) * | 2018-04-17 | 2018-09-28 | 深圳市朗奥洁净科技股份有限公司 | Toilet's intelligence control system |
Non-Patent Citations (1)
| Title |
|---|
| 空调列车空气净化器净化效果评价方法研究;王东黎;孔宪会;金守田;赵宇;;铁道劳动安全卫生与环保;第35卷(第06期);第267-270页 * |
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