CN201700233U - Individually ventilating isolating cage special for tree shrews - Google Patents

Individually ventilating isolating cage special for tree shrews Download PDF

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Publication number
CN201700233U
CN201700233U CN2010202427992U CN201020242799U CN201700233U CN 201700233 U CN201700233 U CN 201700233U CN 2010202427992 U CN2010202427992 U CN 2010202427992U CN 201020242799 U CN201020242799 U CN 201020242799U CN 201700233 U CN201700233 U CN 201700233U
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CN
China
Prior art keywords
air
box
cage
tree shrew
blower fan
Prior art date
Application number
CN2010202427992U
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Chinese (zh)
Inventor
代解杰
冯建洪
孙晓梅
许长兴
匡德宣
罕园园
黄璋琼
陆彩霞
江勤芳
Original Assignee
中国医学科学院医学生物学研究所
苏州市冯氏实验动物设备有限公司
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Application filed by 中国医学科学院医学生物学研究所, 苏州市冯氏实验动物设备有限公司 filed Critical 中国医学科学院医学生物学研究所
Priority to CN2010202427992U priority Critical patent/CN201700233U/en
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Publication of CN201700233U publication Critical patent/CN201700233U/en

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Abstract

The utility model relates to an individually ventilating isolating cage special for tree shrews, which is characterized in that the inside of a frame is divided into a plurality of isolating units which are independent mutually; each isolating unit is internally provided with one tree shrew cage box; each tree shrew cage box is internally provided with a hamper and a drinking bottle which are fixed on a top net and a nest cage arranged on a bottom net; a convenient and tight connection or separation structure is formed between a peripheral side wall box body of each tree shrew cage and a bottom box and a top cover by locking connection; when the box body is tightly connected with the bottom box and the top cover, leakage of the air supply pressure inside the cage box can be effectively prevented; the middle of an inner cavity between the top net and the top cover inside the tree shrew cage box is provided with an air channel separator which separates the inner cavity into an air inlet channel and an air outlet channel; an air inlet and an air outlet are respectively connected with an air inlet fan and an exhaust fan on a mainframe by hosepipes; and the temperature, relative humidity, air quantity, air velocity and pressure difference can be realized by utilizing a control panel to regulate corresponding parameters according to different raised and tested animal requirements.

Description

The special-purpose cage tool of isolating of independent ventilation tree shrew
Technical field
The utility model belongs to a kind of laboratory animal cage tool, particularly raises the special-purpose cage tool of isolating of a kind of independent ventilation of infectious experiment tree shrew.
Background technology
Tree shrew is a kind of novel laboratory animal, because its many molecules and cell structure are similar to the mankind, successfully set up various human viroids animal models infected, and application has quite widely been arranged in biomedical research fields such as Neurobiology, biology of reproduction, immunology and social psychology.Before the utility model is developed, the independent ventilation isolation cage tool that bio-safety requires that meets that the tree shrew special use is not also arranged, the laboratory animal tree shrew is all raised in common cage, and be placed on the common shelf, such raising method mainly contains the shortcoming of two aspects: the raising of (1) laboratory animal tree shrew directly contacts with outside air, be in open state, laboratory animal contacts with unholiness air, thereby cause the laboratory animal tree shrew very easily by the pathogenic bacterial infection in the external environment, pathogenic even dead, influenced medical science, the acquisition of biological experimental data and cause unnecessary economic loss; (2) in the infectious diseases The Animal Model Study, the infectious ight soil that laboratory animal produces, waste gas etc. directly are discharged into outdoor, do not meet the requirement of bio-safety, can cause people beast take a disease altogether disease and the cross-infection between animal.Therefore, exploitation has the special-purpose animal experimental cage tool of tree shrew that bio-safety requires, and is with a wide range of applications and market prospects for using tree shrew to carry out human serious infectious diseases research.
The utility model content
The purpose of this utility model is to provide a kind of and meets that 2 grades of bio-safeties require and the SPF level, infectious experimental animal feeding and experiment, the barrier-type tree shrew special use isolation cage tool of independently taking a breath.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions: the special-purpose cage tool of isolating of a kind of independent ventilation tree shrew, comprise the main frame that air intake blower fan, air draft blower fan and high efficiency particulate air filter are installed, frame, settle the isolated location and the connecting pipe of tree shrew cage box, it is characterized in that: be isolated into the isolated location of several independent in the frame, between each isolated location, be communicated with by the consistent cage transfer tube that can keep-up pressure; Be placed with a tree shrew cage box in each isolated location, have in the tree shrew cage box and be fixed on online hamper in top and drinking-water bottle, and be placed on nest case on the spacer screen, the sidewall casing is connected to form conveniently by snap close with end box and top cover and closely is connected or separated structures around the tree shrew cage box, can prevent effectively when closely connecting that the blast pressure of cage box inside from leaking.
Be provided with the air channel dividing plate in the middle of the inner chamber in tree shrew cage box between top net and top cover, this inner chamber is isolated into wind inlet channel and air-out air channel two parts; Wind inlet channel and air-out air channel are connected with air inlet and return air inlet on the frame by the fresh air inlet on the top cover sidewall and exhaust vent and connecting pipe respectively, and air inlet and air outlet link to each other with the air draft blower fan with air intake blower fan on the main frame by flexible pipe respectively.After the air intake blower fan inhaled air filtered through high efficiency particulate air filter, the air of purification was independently sent into tree shrew cage box equably; Vitiated air in the tree shrew cage box and ammonia are got back to air draft blower fan on the main frame by return air inlet, and it is outdoor to filter the back discharge through another high efficiency particulate air filter.Duration of work, greater than the air intake blower fan flow, then the cage box is in negative pressure state as the air draft compressor flow; Less than the air intake blower fan flow, then the cage box is in barotropic state as the air draft compressor flow.The temperature of this equipment, relative moisture, air quantity wind speed and pressure reduction can be regulated relevant parameters by control panel and realize according to the animal demand of difference raising and experiment.Air intake blower fan and air draft blower fan are electrically connected with control panel.
The utlity model has following advantage:
(1) independently air exchange system ventilates for each tree shrew cage box provides to purify, and in each cage box independent gas supply, directly vitiated air in the cage and ammonia negative pressure is gone out.
(2) the supply and exhaust mouth of native system all is provided with high efficiency particulate air filter, its filtration rate reaches 99.99%, for each cage box provides the air ambient of a cleaning, the working environment of a cleaning, safety also is provided for the experimenter simultaneously, avoiding infection property animal pathogen is to experimenter's infection.
(3) function of exchange of independently ventilating effectively reduces the animal dead rate, and can avoid cross infection of disease.
(4) system control cpu that has warning function is done monitoring in 24 hours to indexs such as the temperature in the cage box, relative moisture and pressure reduction.
(5) the cage box adopts U.S.'s import polysulfones (PSU) material to make, and is smooth, transparent, is convenient to experiment and observes; Nest case in the cage box adopts the PVC material, and lucifuge helps animal and has a rest; , frame and main machine frame be stainless steel processing, has universal caster wheel.
(6) hommization touch screen control panel, can temperature, relative moisture and pressure reduction parameter be set according to animal feeding or experiment demand, thereby the automation that realizes air quantity, wind speed and pressure reduction is regulated, and parameter is regulated to need to authorize and just can be finished, and avoids artificial and arbitrarily changes.
(7) native system adopts global electrical source of power, and energy consumption is low, investment is little, easy and simple to handle; 1 configurable 2 frame of placing the cage box of main frame is placed 12 cage boxes altogether, and floor space is little and the useful space is big.
Description of drawings
Fig. 1 is a tree shrew cage box decomposing schematic representation of the present utility model.
Fig. 2 is a tree shrew cage box overall structure schematic diagram of the present utility model.
Fig. 3 is the structural representation of main frame and the frame configuration of placing tree shrew cage box.
Embodiment
Below in conjunction with drawings and Examples technical solutions of the utility model are further described: present embodiment at first needs to make up the frame 25 of a metal framework, about be isolated into six identical independent isolating unit 24 up and down, each is independently connected by cage transfer tube 26 between the isolated location, and unanimity can keep-up pressure.A tree shrew cage box is set in each isolated location, hamper 2 and drinking-water bottle 3 are arranged in the tree shrew cage box, can be fixed on the top net 4.The casing 9 of each tree shrew cage box adopts transparent PSU to make, and can observe the laboratory animal tree shrew of raising easily.Be provided with spacer screen 7 in the bottom of casing 9 and be used for ight soil that filtration experiment animal tree shrew produces and rubbish etc., end box 10, casing 9 and top cover 1 can closely be connected very easily or separate by snap close 8, also prevent inner independent pressure leakages of blowing.Also be provided with the nest case 5 of hiding and having a rest in the casing, can well the tree shrew of hiding be therein caught simultaneously for the laboratory animal tree shrew; Also be provided with the lazy board of playing for the laboratory animal tree shrew 6 in the casing, satisfy the animal welfare demand of laboratory animal.Inner chamber at tree shrew cage box has the air channel, be equipped with air channel dividing plate 13 in the middle of the air channel, thereby the air channel is isolated into wind inlet channel and air-out air channel two parts, on the cage wall of each isolated location by one side, air channel, all be drilled with a fresh air inlet 11 and an exhaust vent 12, to guarantee that fresh air inlet 11 is connected with wind inlet channel, exhaust vent 12 and air-out air channel are connected.
Also have air inlet 23 on frame 25 outer walls of cage box, thereby the fresh air inlet 11 in its end and the tree shrew cage box is connected with air inlet duct and communicates, the other end is connected with flexible pipe 22.Air is sent into by air intake blower fan 19, purifies the back through high efficiency particulate air filter 15 and enters cage transfer tube 26 by blast pipe 20 and flexible pipe 22, enters the tree shrew cage box of independent ventilation through fresh air inlet 11, provides to purify air.Vitiated air in the tree shrew cage box and ammonia are discharged from the exhaust vent 12 of cage box, via the return air inlet 16 on frame 25 outer walls and connect flexible pipe 22 and enter another high efficiency particulate air filter that backwind tube 14 gets back on the main frame and carry out gas filtration, discharge outdoor by the exhaust outlet 27 of air draft blower fan 19 ' then; Two blower fans are provided with anti-noise cover 18 outward, reduce the influence of the noise of blower fan generation to the tree shrew that breeds experimental animals.Duration of work, greater than the air intake blower fan flow, then the cage box is in negative pressure state as the air draft compressor flow; Less than the air intake blower fan flow, then the cage box is in barotropic state as the air draft compressor flow; Concrete parameter can be regulated by control panel 17, and the host computer control panel can show temperature, relative moisture and the pressure reduction in the cage box simultaneously.Be conveniently moving, universal pulley 21 also be housed in frame 25 and main frame bottom.

Claims (2)

1. the cage tool is isolated in independent ventilation tree shrew special use, comprise the main frame that air intake blower fan, air draft blower fan and high efficiency particulate air filter are installed, frame, settle the isolated location and the connecting pipe of tree shrew cage box, it is characterized in that: be isolated into the isolated location of several independent in the frame, between each isolated location, be communicated with by the cage transfer tube; Be placed with a tree shrew cage box in each isolated location, have in the tree shrew cage box and be fixed on online hamper in top and drinking-water bottle, and being placed on nest case on the spacer screen, the sidewall casing is connected to form to make things convenient for by snap close with end box and top cover and closely is connected or separated structures around the tree shrew cage box; Be provided with the air channel dividing plate in the middle of the inner chamber in tree shrew cage box between top net and top cover, the air channel dividing plate is isolated into wind inlet channel and air-out air channel two parts with this inner chamber; Wind inlet channel and air-out air channel are connected with air inlet and return air inlet on the frame by the fresh air inlet on the top cover sidewall and exhaust vent and connecting pipe respectively, and air inlet and air outlet link to each other with the air draft blower fan with air intake blower fan on the main frame by flexible pipe respectively.
2. the special-purpose cage tool of isolating of independent ventilation tree shrew according to claim 1, it is characterized in that: the entrance point of air intake blower fan and air draft blower fan respectively has a high efficiency particulate air filter.
CN2010202427992U 2010-06-30 2010-06-30 Individually ventilating isolating cage special for tree shrews CN201700233U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202427992U CN201700233U (en) 2010-06-30 2010-06-30 Individually ventilating isolating cage special for tree shrews

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202427992U CN201700233U (en) 2010-06-30 2010-06-30 Individually ventilating isolating cage special for tree shrews

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CN201700233U true CN201700233U (en) 2011-01-12

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102440194A (en) * 2011-09-30 2012-05-09 府志红 Low-power EVC mouse breeding cage box
CN103270958A (en) * 2013-06-06 2013-09-04 苏州新区枫桥净化设备厂 Novel experimental cage tool with independent air supply function
CN103283618A (en) * 2013-06-06 2013-09-11 苏州新区枫桥净化设备厂 Experimental animal cage with drinking bottle
CN103283616A (en) * 2013-06-06 2013-09-11 苏州新区枫桥净化设备厂 Novel experimental cage box
CN103548700A (en) * 2013-10-17 2014-02-05 上海鸣励实验室科技发展有限公司 Independent ventilation cage flow measurement method, cage box external pressure difference measurement method, control system and control method
CN104365494A (en) * 2013-08-12 2015-02-25 中国人民解放军第四军医大学第一附属医院 Animal feeding device capable of maintaining steady state of environment in chambers

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102440194A (en) * 2011-09-30 2012-05-09 府志红 Low-power EVC mouse breeding cage box
CN103270958A (en) * 2013-06-06 2013-09-04 苏州新区枫桥净化设备厂 Novel experimental cage tool with independent air supply function
CN103283618A (en) * 2013-06-06 2013-09-11 苏州新区枫桥净化设备厂 Experimental animal cage with drinking bottle
CN103283616A (en) * 2013-06-06 2013-09-11 苏州新区枫桥净化设备厂 Novel experimental cage box
CN104365494A (en) * 2013-08-12 2015-02-25 中国人民解放军第四军医大学第一附属医院 Animal feeding device capable of maintaining steady state of environment in chambers
CN104365494B (en) * 2013-08-12 2016-12-28 中国人民解放军第四军医大学第一附属医院 A kind of animal raising device maintaining indoor environment stable state
CN103548700A (en) * 2013-10-17 2014-02-05 上海鸣励实验室科技发展有限公司 Independent ventilation cage flow measurement method, cage box external pressure difference measurement method, control system and control method

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Granted publication date: 20110112