CN201947760U - Central exhaust ventilation cage box system - Google Patents
Central exhaust ventilation cage box system Download PDFInfo
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- CN201947760U CN201947760U CN201120014496XU CN201120014496U CN201947760U CN 201947760 U CN201947760 U CN 201947760U CN 201120014496X U CN201120014496X U CN 201120014496XU CN 201120014496 U CN201120014496 U CN 201120014496U CN 201947760 U CN201947760 U CN 201947760U
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- cage box
- fixed mount
- cage
- lug boss
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Abstract
The utility model relates to a ventilation cage box system comprising a fixing rack for cage boxes, wherein a plurality of cage boxes are arranged in the fixing rack for the cage boxes, an air exhaust pipeline is arranged in the fixing rack for the cage boxes, and the air exhaust pipeline and an air exhaust system in a barrier environment are communicated; under the state that the continuous running of the air exhaust system is kept, air in the cage boxes is continuously discharged by filter ports which are arranged on the cage boxes and are communicated with the air exhaust pipeline; and meanwhile, clean air in the barrier environment is continuously sucked into the cage boxes by filter ports which are arranged on the cage boxes and are communicated with the barrier environment, so that the freshness and the cleanness of the air in the cage boxes are kept. The ventilation cage box system has a simple structure, no heat, noise and vibration pollution, large raising density and high utilization rate of the space. Moreover, the running cost is low, and the long-time maintenance is convenient.
Description
Technical field
The utility model relates to a kind of experiment and feeding facility that is used for zoopery and laboratory animal in barrier environment, relate in particular to a kind of animals such as large and small mouse raising and experiment in the central exhaust ventilation cage box system (EVC) used.
Background technology
According to the regulation requirement of national GB14925 " laboratory animal environment and facility ", need overall process reach the SPF level to the raising of laboratory animal and experimental situation.All experimental units all transform experimental situation, have built up barrier environment, but but the barrier environment facility is dynamically turned round and safeguard and become insoluble problem, can keep to such an extent that the unit that goes down is few especially.In the nineties in last century, some developed countries begin to promote the use of the operation sequence that IVC (independent ventilation cage box Individually Ventilated Cages) has simplified barrier environment greatly, the humans and animals living environment separately, allow animal in the purification cage box more than ten thousand grades and hundred grades of purification super-clean benches, enjoy the clean treatment of SPF level, the keeper of laboratory animal and the trouble of zoopery personnel high cleaning have also been exempted simultaneously, prevented effectively again between the animal and people and animal between cross-infection, ensured that experimental work personnel and keeper's is healthy and safe.
Specifically, the IVC product generally is made up of electric mainframe box, air-guiding aisle cage and cage box three parts.Wherein electric mainframe box is made up of supply air system, exhaust system, electric control system and temperature and humidity monitoring system.Room air enters the air-guiding aisle cage after supply air system pre-filtering and high efficiency particulate air filter refilter, be sent to each cage box by the plug and play jockey again, make the air in the cage box reach neatness standard, and the animal exhaust gas discharged enters the exhaust system of mainframe box through the cage return air duct, carry out again being discharged into behind the cascade filtration outdoor, thereby the low NH3 and the CO2 microenvironment of unified standard are provided for animal.The application of IVC system cage box makes script will keep a huge whole barrier environment and has changed the normal operation that only needs to keep the cage box into, needed expense only is equivalent to keep 1/7 of whole barrier environment expense, but the heat that produces during its host work, noise, vibration etc. can produce certain influence to laboratory animal, and the cage floor space is still bigger, stocking density is still not high enough, and cost is still very high comparatively speaking.
The utility model content
The purpose of this utility model is to propose a kind of simple in structure, does not have heat, noise, vibration pollution, and stocking density is big, the space availability ratio height, and operating cost is cheap, is convenient to the central exhaust ventilation cage box system of long-time maintenance, thereby overcomes deficiency of the prior art.
For realizing above-mentioned utility model purpose, the utility model has adopted following technical scheme:
A kind of central exhaust ventilation cage box system comprises cage box fixed mount, is provided with a plurality of cage boxes in the described cage box fixed mount, it is characterized in that:
Be provided with the air draft pipeline in the described cage box fixed mount, described air draft pipeline is communicated with exhaust system in the barrier environment;
Under the state that keeps the exhaust system continuous service, air in the cage box through be arranged on the cage box, continue to discharge with the filtration mouth of air draft pipeline connection, pure air in the barrier environment is continued to suck the cage box through being arranged on filtration mouth on the cage box, that be communicated with barrier environment simultaneously, makes the air in the cage box keep fresh cleaning.
Say further, described cage box fixed mount comprises a plurality of circular cage box fixed mount unit of stacked setting vertically, described cage box fixed mount unit comprises fixed mount round bottom face, the complex root raised line that this fixed mount round bottom face upper surface is disposed radially is divided into the plural five equilibrium corresponding to a plurality of cage boxes, wherein, be provided with above together chute and at least one fixing hole that is extended to its central part by fixed mount round bottom face edge part in each five equilibrium, described cage box lower end is provided with slide rail and the fixing point that cooperates with described chute and fixing hole.
Preferably, the complex root raised line that is disposed radially of described fixed mount round bottom face upper surface evenly is divided into plural five equilibrium.
Be symmetrical arranged twice chute and at least one fixing hole in described each five equilibrium, described fixing hole and the distribution triangular in shape of twice slide rail.
The groove width of described chute reduces gradually along the direction of pointing to fixed mount round bottom face central part, and described fixing hole is arranged between the twice chute, and near fixed mount round bottom face edge part.
Described chute than the small end place one fixing hole is set also.
The coaxial respectively first polygon lug boss and the second polygon lug boss of being provided with of the upper and lower end face of described fixed mount round bottom face, coaxial in this first polygon lug boss and the second polygon lug boss the vertical cavity that runs through this fixed mount round bottom face is set, each limit of this first polygon lug boss cooperates with adjacent two raised lines, and the height of this first polygon lug boss is corresponding by the cage box height that matches with it; The second polygon lug boss lower end of this fixed mount round bottom face can seal fit with the first polygon lug boss upper end of another fixed mount round bottom face that is arranged at this fixed mount round bottom face below, forms the air draft pipeline that is communicated with each cage box fixed mount unit.
The movable vent cap that one through hole all is installed on each sidewall of the described first polygon lug boss and cooperates with this through hole, this activity vent cap one end is connected through the inwall of a rotating shaft with the first polygon lug boss, and opening and closing that should the activity vent cap by be arranged at the first polygon lug boss and should the activity vent cap between elastic mechanism control, this activity vent cap also cooperates with the filtration mouth that is arranged on cage box the inner, and described cage box outer end also is provided with filters mouth.
Preferably, described elastic mechanism adopts jump ring.
The coaxial pipe that is provided with in the described cavity, this circular tube external wall is connected with the inwall of cavity through a plurality of reinforcements, and described pipe and reinforcement lower end are higher than the lower surface of the second polygon lug boss.
Described cavity inner wall is around being provided with supply channel, described supply channel be arranged on the first lug boss outer wall on delivery port and the water supply plant of peripheral hardware be communicated with, described delivery port cooperates with the inner bubbler that is provided with of cage box.
Described supply channel and fixed mount round bottom face are wholely set, and this supply channel is communicated with the coaxial pipe that is arranged in the cavity, and this pipe is communicated with the water supply plant of peripheral hardware.
Be provided with the filter membrane of filter opening aperture more than 0.2 μ m in the described filtration mouth.
Described cage box comprises cage box body and cage lid, and the cage lid combines with the sealing of cage box body.
Also be provided with drinking-water bottle and/or feed box on the described cage box inwall.
Described ventilation cage box system also comprises the cage box framework that is used for ccontaining cage box fixed mount, described cage box framework comprise base plate, top board and be arranged on top board and base plate between complex root frame lining, described base plate fixedly installs a plurality of castors on the lower surface.
Described top board and base plate center are provided with an axis hole respectively, and described axis hole entangles firm mutually with first rotating shaft and second rotating shaft that are installed in cage box fixed mount top and bottom respectively, these two coaxial settings of rotating shaft.
Described top board top also is provided with the exhaust duct way outlet of the air draft pipeline connection of at least one and cage box fixed mount, the cage box framework blast pipe of this exhaust duct way outlet through having quick connection-peg is communicated with gas extraction system in the barrier environment, thereby forms cage box circulation exhaust system; And the joint place corresponding to air draft pipeline and exhaust duct way outlet between described top board lower surface and the cage box fixed mount upper surface also is provided with sealing ring.
Compared with prior art, advantage of the present utility model is at least:
(1) changed the design that the IVC system ventilates by " mainframe box air-supply principle ", and adopt " negative-pressure siphon principle " to utilize the pressure reduction that when air draft, forms in the cage box to reach the effect of ventilation, send in the cage box after directly the SPF level pure air in the laboratory being filtered by high efficiency particulate air filter, the purchase and the maintenance cost of main frame have been saved, overcome the heat that main frame produces, noise, vibration etc. again in running laboratory animal has been produced adverse factors, and can prevent that vitiated air and peculiar smell or NH3 etc. in the cage box from leaking in the barrier environment.
(2) in the length that has adopted the circular rotational structure of more saving the space usually to adopt before substituting in the design of air-guiding aisle cage, square pattern, improved density greatly, thereby increased the quantity of letting animals feed on the unit are, science more, effectively utilized the space, expense can reduce by 2/3 again on the basis of IVC, this with regard to making a lot because hold the experimental unit of can't stand high maintenance cost and being forced to reduce experimental situation standard and the requirement operation that can under the experimental standard of state compulsion regulation, experimentize, thereby improved the accuracy and the reliability of experimental data greatly.
(2) the utility model operating cost only be equivalent to traditional barrier environment maintenance cost 1/20, this just makes most experimental unit to afford, and then the operation that experimentizes at ordinary times also can both the compulsory standard environment at national regulation.For example: with 1000m
2(40m*25m) area is calculated, and uses present IVC (model: GA30 cage one drag two specification: 1200 * 530 * 1690) can place the 10*20 cover to greatest extent, (40/4=10 row; 25/1.25=20 row) every cover is joined 60 cage boxes, each cage box is supported 5 mouse, promptly at 1000m
2Area on can support 10*20*60*5=60000 mouse at most.And calculate (1 m of floor space by our EVC product
2About calculate) the minimum 35*20 cover of placing, every cover can be joined 100 cage boxes (placing 10 layers in 10 every covers of cage box for every layer), each cage box is supported 5 mouse equally, promptly minimumly on same area can support 35*20*100*5=350000 mouse.Be to use 5.83 times of above-mentioned cage box.That is to say, raise 60000 mouse equally, need 1000m with present IVC cage tool
2, and with EVC cage tool of the present utility model, then only need be less than 200m
2Area.Not only saved the soil, also saved a large amount of energy and safeguarded the cost of runing.
Description of drawings
Fig. 1 is the structural representation of the utility model one preferred embodiment;
Fig. 2 is the vertical view of fixed mount round bottom face in the utility model one preferred embodiment;
Fig. 3 is the left view of fixed mount round bottom face shown in Figure 2;
Fig. 4 is the structural representation of cage box in the utility model one preferred embodiment.
Embodiment
Below in conjunction with an accompanying drawing and a preferred embodiment the technical solution of the utility model is further described.
Consult Fig. 1-2, this ventilation cage box system comprises cage box framework 1, be arranged on the cage box fixed mount in the cage box framework and be arranged on a plurality of cage boxes 3 on the cage box fixed mount, cage box fixed mount is made up of a plurality of circular rotation cage box fixed mount unit of stacked setting, can hold a plurality of cage boxes in each cage box fixed mount unit.
Wherein, described cage box framework comprises base plate 11, top board 12 and four frame linings 13, and these four frame linings are distributed in the Si Jiaochu of framework, and fixedly connected with top board with base plate respectively in its two ends, fixedly connected four castors 14 of the Si Jiaochu of base plate lower surface.This cage box framework can be made by 304 stainless steel materials.
Described top board top also is provided with two exhaust duct way outlets 15, and these two exhaust duct way outlets are communicated with the cage box framework blast pipe of gas extraction system through having quick connection-peg of barrier environment, thereby forms cage box circulation exhaust system.
One axis hole is arranged in the middle of the described base plate, this circular hole entangles firm mutually with the rotating shaft of the circle rotation cage box fixed mount lower end that is installed in basecoat, and the centre of described top board also is provided with an axis hole 16, this axis hole entangles firm mutually with the rotating shaft that is installed in upper end, the circular rotation of last layer cage box fixed mount unit, position corresponding to air draft pipeline and exhaust duct way outlet joint between the circular rotation of the last layer upper surface, cage box fixed mount unit of this top board lower surface and this is provided with the sealing ring that high-performance rubber is made, and the sealing circle has performances such as wear-resistant, high pressure resistant, corrosion-resistant.Aforesaid two coaxial settings of rotating shaft.By these two rotating shafts, make cage box fixed mount can produce rotate effect.
Described circular rotation cage box fixed mount unit comprises fixed mount round bottom face 2, ten raised lines 21 that these round bottom face 2 upper surfaces are disposed radially are divided into ten five equilibriums, M shape track runner 22 and 1 fixing hole 23 of forming by a twice chute that reduces gradually along the direction of pointing to fixed mount round bottom face central part by groove width in each five equilibrium, and chute 22 also be provided with a through hole 24 than small end, each cage box lower surface is provided with W type slide rail and a fixed part and holding section, the described W type of nationality slide rail cooperates with M shape track runner, cooperating of described fixed part and fixing hole and cooperating of described holding section and through hole, can make the stable triangle fixed structure of formation between cage box and the fixed mount round bottom face, avoid cage box run-off the straight or loosening.
Further, not coaxial decagonal first lug boss 25 and decagonal second protuberance 26 of being provided with of the upper and lower end face core of described round bottom face, coaxial in this first polygon lug boss and the second polygon lug boss the vertical cavity that runs through this fixed mount round bottom face is set, each limit of this first polygon lug boss 25 cooperates with aforesaid adjacent two raised lines, and the height of this first polygon lug boss is determined by the cage box height that matches with it; The second polygon lug boss lower end of this fixed mount round bottom face can seal fit with the first polygon lug boss upper end of another fixed mount round bottom face that is arranged at this fixed mount round bottom face below, thereby realize that the stack on vertical direction is fixed between the adjacent cage box fixed mount unit on the one hand, avoid it to collapse, also formed the exhaust duct that is communicated with each cage box fixed mount unit on the other hand.
The movable vent cap 27 that one through hole all is installed on each sidewall of the described first polygon lug boss and cooperates with this through hole, this activity vent cap one end is connected through the inwall of a rotating shaft with the first polygon lug boss, and opening and closing that should the activity vent cap by be arranged at the first polygon lug boss and should the activity vent cap between elastic mechanism control, this activity vent cap also cooperates with the filtration mouth that is arranged on cage box the inner, and described cage box outer end also is provided with filters mouth.Preferably, described elastic mechanism adopts jump ring.After being fixed to the cage box on the round bottom face 2, the movable vent cap of its inner pushing tow makes it to open the angle (according to actual needs, also can adopt other proper angle) about 30 °, can be for the waste gas in the cage box is discharged through exhaust system.
As preferred mode, the coaxial pipe 29 that is provided with in the aforementioned cavity, this circular tube external wall is connected with the inwall of cavity through a plurality of reinforcements 28, and described at least pipe and reinforcement lower end are higher than the lower surface of the second polygon lug boss.
More preferred, described cavity inner wall is also around being provided with supply channel 210, described supply channel be arranged on the first lug boss outer wall on delivery port 211 and the water supply plant of peripheral hardware be communicated with, described delivery port cooperates with the inner bubbler 323 that is provided with of cage box.
Described supply channel and fixed mount round bottom face are wholely set, and for example, this supply channel can be formed in this fixed mount round bottom face, and this supply channel is communicated with the coaxial aforementioned pipe 29 that is arranged in the cavity, and this pipe is communicated with the water supply plant of peripheral hardware.
For ease of rotating this cage box fixed mount, but at each fixed mount round bottom face circumference setting operation handle 212 also.
Described cage box 3 comprises cage box body 32 and cage lid 31, cage lid and cage box body sealed engagement.This cage box can be by high temperature polysulfones or PC plastic production, and it has good tolerance acidity, alkaline detergent or steam disinfection, even still can keep intensity, long service life behind the autoclaving that repeats.Simultaneously, the inside and outside end of described cage box is equipped with high efficiency filter mouth 322,321, described high efficiency filter mouth is provided with the filter membrane that the filter opening aperture is 0.2 μ m, the described high efficiency filter mouth of mat, under of short duration power-off condition, can effectively realize the ventilation in the cage box, reduce the concentration of CO2 and NH3 in the cage box, prevent that animal from suffocating.
In addition, also be provided with on the described cage box inwall and can certainly,, automatic water-drinking, feeding systems can also be set for the drinking-water bottle of animal drinking-water and the box etc. of taking food according to the needs of practical application.
In addition, preferred, the installation region corresponding to each cage box on the described circular rotation cage box fixed mount round bottom face also can be expressed as A-B with English alphabet respectively, C-D, and E-F, G-H and I-J meet double-deck sign in addition to show.Can from numerous cage boxes, find easily and oneself want corresponding each cage box of looking for, as 1A, 3B, 5I or the like.Same, for described cage box, also be provided with on its outer wall and can be used for writing down the related datas such as strain, incubation time and date of animal in the cage for the sign frame 324 that inserts card.
Present embodiment is to realize ventilation in the cage box by siphon principle, be specially: the gas warp in the cage box drains in the exhaust duct with the high efficiency filter mouth that the movable vent cap on the round bottom face cooperates, discharge by the exhaust system of barrier environment again, cause the interior gas pressure of cage box less than the gas pressure in the barrier environment, in order to reach balance, the pure air in the barrier environment enters in the cage box by the high efficiency filter mouth of cage box outer end again.So move in circles, can make the air in the cage box remain fresh cleaning.Cause pressure reduction to ventilate by aforesaid siphon air draft, can make the bedding and padding in the cage box remain drying, it is constant that temperature and humidity keeps, and reduced the replacing number of times of cage box.
At present, the breed amount of nationwide small white mouse is greatly about about 3,000 ten thousand, if employing EVC of the present utility model system, the clean breadboard overall floorage of then required height can be saved 400,000 square metres at least, can save at least 1,800 ten thousand degree every year, can significantly reduce the laboratory operation cost, meet the requirement of energy-saving and emission-reduction.
The foregoing description only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the understanding of being familiar with this technology can understand content of the present utility model and enforcement according to this; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (16)
1. a central exhaust ventilation cage box system comprises cage box fixed mount, is provided with a plurality of cage boxes in the described cage box fixed mount, it is characterized in that:
Be provided with the air draft pipeline in the described cage box fixed mount, described air draft pipeline is communicated with exhaust system in the barrier environment; Be respectively equipped with on the described cage box and the filtration mouth of air draft pipeline connection and the filtration mouth that is communicated with barrier environment.
2. central exhaust ventilation cage box system according to claim 1, it is characterized in that, described cage box fixed mount comprises a plurality of circular cage box fixed mount unit of stacked setting vertically, described cage box fixed mount unit comprises fixed mount round bottom face, the complex root raised line that this fixed mount round bottom face upper surface is disposed radially is divided into the plural five equilibrium corresponding to a plurality of cage boxes, wherein, be provided with above together chute and at least one fixing hole that is extended to its central part by fixed mount round bottom face edge part in each five equilibrium, described cage box lower end is provided with slide rail and the fixing point that cooperates with described chute and fixing hole.
3. central exhaust ventilation cage box system according to claim 2 is characterized in that, the complex root raised line that described fixed mount round bottom face upper surface is disposed radially evenly is divided into plural five equilibrium.
4. central exhaust ventilation cage box system according to claim 2 is characterized in that, is symmetrical arranged twice chute and at least one fixing hole in described each five equilibrium, described fixing hole and the distribution triangular in shape of twice slide rail.
5. central exhaust ventilation cage box system according to claim 4, it is characterized in that, the groove width of described chute reduces gradually along the direction of pointing to fixed mount round bottom face central part, and described fixing hole is arranged between the twice chute, and near fixed mount round bottom face edge part.
6. central exhaust ventilation cage box system according to claim 5 is characterized in that, described chute than the small end place one fixing hole is set also.
7. central exhaust ventilation cage box system according to claim 2, it is characterized in that, the coaxial respectively first polygon lug boss and the second polygon lug boss of being provided with of the upper and lower end face of described fixed mount round bottom face, coaxial in this first polygon lug boss and the second polygon lug boss the vertical cavity that runs through this fixed mount round bottom face is set, each limit of this first polygon lug boss cooperates with adjacent two raised lines, and the height of this first polygon lug boss is corresponding by the cage box height that matches with it; The second polygon lug boss lower end of this fixed mount round bottom face can seal fit with the first polygon lug boss upper end of another fixed mount round bottom face that is arranged at this fixed mount round bottom face below, forms the air draft pipeline that is communicated with each cage box fixed mount unit.
8. central exhaust ventilation cage box system according to claim 7, it is characterized in that, the movable vent cap that one through hole all is installed on each sidewall of the described first polygon lug boss and cooperates with this through hole, this activity vent cap one end is connected through the inwall of a rotating shaft with the first polygon lug boss, and opening and closing that should the activity vent cap by be arranged at the first polygon lug boss and should the activity vent cap between elastic mechanism control, this activity vent cap also cooperates with the filtration mouth that is arranged on cage box the inner, and described cage box outer end also is provided with filters mouth.
9. central exhaust ventilation cage box system according to claim 8 is characterized in that, described elastic mechanism adopts jump ring.
10. central exhaust ventilation cage box system according to claim 7, it is characterized in that, the coaxial pipe that is provided with in the described cavity, this circular tube external wall is connected with the inwall of cavity through a plurality of reinforcements, and described pipe and reinforcement lower end are higher than the lower surface of the second polygon lug boss.
11. according to claim 7 or 10 described central exhaust ventilation cage box systems, it is characterized in that, described cavity inner wall is around supply channel is set, described supply channel be arranged on the first lug boss outer wall on delivery port and the water supply plant of peripheral hardware be communicated with, the inner bubbler that is provided with of described delivery port and cage box cooperates.
12. central exhaust ventilation cage box system according to claim 11 is characterized in that, described supply channel and fixed mount round bottom face are wholely set, and this supply channel is communicated with the coaxial pipe that is arranged in the cavity, and this pipe is communicated with the water supply plant of peripheral hardware.
13. central exhaust ventilation cage box system according to claim 1 and 2 is characterized in that, also is provided with drinking-water bottle and/or feed box on the described cage box inwall.
14. the central exhaust ventilation cage box system of stating according to claim 1, it is characterized in that, described ventilation cage box system also comprises the cage box framework that is used for ccontaining cage box fixed mount, described cage box framework comprise base plate, top board and be arranged on top board and base plate between complex root frame lining, described base plate fixedly installs a plurality of castors on the lower surface.
15. the central exhaust ventilation cage box system of stating according to claim 14, it is characterized in that, described top board and base plate center are provided with an axis hole respectively, and described axis hole entangles firm mutually with first rotating shaft and second rotating shaft that are installed in cage box fixed mount top and bottom respectively, these two coaxial settings of rotating shaft.
16. the central exhaust ventilation cage box system of stating according to claim 14 or 15, it is characterized in that, described top board top also is provided with the exhaust duct way outlet of the air draft pipeline connection of at least one and cage box fixed mount, the cage box framework blast pipe of this exhaust duct way outlet through having quick connection-peg is communicated with gas extraction system in the barrier environment, thereby forms cage box circulation exhaust system; And the joint place corresponding to air draft pipeline and exhaust duct way outlet between described top board lower surface and the cage box fixed mount upper surface also is provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120014496XU CN201947760U (en) | 2011-01-18 | 2011-01-18 | Central exhaust ventilation cage box system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120014496XU CN201947760U (en) | 2011-01-18 | 2011-01-18 | Central exhaust ventilation cage box system |
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| Publication Number | Publication Date |
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| CN201947760U true CN201947760U (en) | 2011-08-31 |
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ID=44491892
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120014496XU Ceased CN201947760U (en) | 2011-01-18 | 2011-01-18 | Central exhaust ventilation cage box system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102119666A (en) * | 2011-01-18 | 2011-07-13 | 苏州猴皇动物实验设备科技有限公司 | Central exhaust ventilation cage box system |
| CN103270970A (en) * | 2013-06-06 | 2013-09-04 | 苏州新区枫桥净化设备厂 | Experimental animal cage shelf with rollers |
| CN110583493A (en) * | 2019-10-25 | 2019-12-20 | 东北农业大学 | Pig house ventilation unit |
| WO2019242305A1 (en) * | 2018-06-20 | 2019-12-26 | 南昌德漫多科技有限公司 | Multifunctional breeding cage system for laboratory animals |
-
2011
- 2011-01-18 CN CN201120014496XU patent/CN201947760U/en not_active Ceased
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102119666A (en) * | 2011-01-18 | 2011-07-13 | 苏州猴皇动物实验设备科技有限公司 | Central exhaust ventilation cage box system |
| CN102119666B (en) * | 2011-01-18 | 2012-11-21 | 苏州猴皇动物实验设备科技有限公司 | Central exhaust ventilation cage box system |
| CN103270970A (en) * | 2013-06-06 | 2013-09-04 | 苏州新区枫桥净化设备厂 | Experimental animal cage shelf with rollers |
| WO2019242305A1 (en) * | 2018-06-20 | 2019-12-26 | 南昌德漫多科技有限公司 | Multifunctional breeding cage system for laboratory animals |
| CN110583493A (en) * | 2019-10-25 | 2019-12-20 | 东北农业大学 | Pig house ventilation unit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
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Decision date of declaring invalidation: 20140113 Decision number of declaring invalidation: 21564 Granted publication date: 20110831 |