JP3126641B2 - Animal breeding equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an animal breeding apparatus for breeding experimental animals and the like in a certain favorable environment suitable for research.

[0002]

2. Description of the Related Art FIG. 3 shows a conventional animal breeding apparatus of a one-way flow system, wherein 1 is a working room where a breeding worker works, and a part adjacent to the working room 1 is partitioned by a falling wall 2 or the like. The urethane chamber 3 is provided. A breeding rack 4 is provided in the work room 1 such that the back of the breeding rack 4 is communicated with the retan chamber 3 by an easy-to-remove method. A rising plate 5 made of, for example, stainless steel is provided at the back opening of each shelf of the breeding rack 4 so as to open the upper part in a slit shape. A drape 6 made of an antistatic vinyl chloride sheet or the like is provided so as to close the upper part. A breeding container or a wire mesh cage is installed on each shelf of the breeding rack 4. An air inlet 7 is provided at the upper part of the working chamber 1. In the figure, arrows indicate airflow distribution, arrow 8 indicates air supply, and arrow 9 indicates exhaust.

[0003] That is, an operator enters the working room 1 and breeds animals in a breeding container or a wire mesh cage installed in a breeding rack 4. In this case, there is no need to provide a space for the operator to provide the exhaust space in the urethane chamber 3, so that the space in the working chamber 1 can be widened accordingly, and efficient work can be realized.

[0004] The animal breeding room is forcibly ventilated.
That is, an exhaust device such as a fan is connected to the urethane chamber 3, and the evacuation of the urethane chamber 3 is forcibly performed. As a result, fresh air is supplied from the air inlet 7 to the rearing racks installed on each shelf of the rearing rack 4. The gas flows through the container or wire mesh cage into the urethane chamber 3 and is exhausted to the outside. In this case, the intake air volume can be controlled by the rising plate 5 provided in the breeding rack 4, and the atmosphere in the breeding rack 4 can be prevented from flowing out to the work room 1 by the hanging screen 6, and the airflow can be adjusted appropriately. Can be The height of the rising plate 5 is 11/1 of the height of each shelf of the breeding rack 4.
2, and the height of the banner 6 is preferably set to 1/3 of the height of each shelf of the rearing rack 4. For example, if the height of the rearing rack 4 is 30 cm, the height of the rising plate 5 is 27.5.
cm and the height of the banner 6 may be 10 cm.

Further, by quickly exhausting the contaminated air that has passed through the breeding container or wire mesh cage installed in the breeding rack, the contaminated air may be mixed with the clean air flowing into the room. It provides a comfortable working environment without allergies and odors.

Further, by supplying clean air into a breeding container or a wire netting cage, it is possible to create a favorable breeding environment in which microbial contamination between experimental animals is far less than before and there is little ammonia retention. Can be.

[0007]

The conventional animal breeding apparatus of the one-way flow system creates an air flow from the front to the rear of the rack and ventilates the inside of the rack. If a pathogen emerged in the side working area, it would always pass through the rack and contaminate the experimental animals.

In the case of a positive pressure type rearing rack (rear air supply and front exhaust), the environment for dust and odor in the working area is deteriorated. Also, in the case of the conventional rear air supply, a vortex is generated in the upper part of the air supply area due to the dynamic pressure of the air flow supplied from the duct connected to the air supply area (air supply chamber), and a part of the pressure is reduced. The amount of air supply tended to decrease, and uniform air supply was difficult.

The present invention has been made in view of the above circumstances, and can maintain a high degree of cleanliness in a breeding rack, can maintain a good working environment in a work area, and can further improve the air supply distribution in an air supply area. It is an object to provide an animal breeding device that can be made uniform.

[0010]

In order to achieve the above object, an animal breeding apparatus according to the present invention comprises a wire mesh at the back opening of each shelf.
Is provided, and a start-up plate can be opened and closed at the front opening of each shelf
And the start-up plate is closed
It is provided so that the upper part is opened like a slit
A breeding rack for breeding animals, a breeding area where the breeding rack was arranged and an exhaust duct was connected, and a cloth bag having a large number of pores arranged on the back of the breeding rack and connected to an air supply duct were provided. It is characterized by comprising an air supply area, and a working area divided by the breeding area and an opening / closing door.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an explanatory sectional view showing an embodiment of the present invention, and FIG. 2 is an explanatory plan view showing an embodiment of the present invention. That is, reference numeral 11 denotes a work area where the breeding worker works, and an air supply port 12 and an exhaust port 13 are provided on the ceiling of the work area 11. A breeding area 15 partitioned by a transparent glass door 14 is provided adjacent to the work area 11, and the upper part of the breeding area 15 is partitioned by a duct arrangement part 16 and a partition wall 17. The partition wall 17
An exhaust duct 18 is attached to the breeding area 15 so as to open to the ceiling, and a wire mesh (not shown) is attached to the opening of the exhaust duct 18. The breeding area 15 is divided into a plurality of areas by a rack partitioning plate 19, and a breeding rack 20 including a plurality of shelves is provided in each divided breeding area so as to be movable by casters 21. At the back opening of each shelf of the breeding rack 20, a wire mesh 22 for preventing escape of breeding animals is provided. A transparent riser plate 23 made of an antistatic type vinyl chloride plate or the like is provided so as to be openable and closable, and is provided so that the upper part is opened like a slit when the transparent riser plate 23 is closed.
An air supply area 24 is provided on the rear side of the breeding area 15 with the escape prevention wire mesh 22, and an upper part of the air supply area 24 is partitioned by a duct arrangement portion 16 and a partition wall 17.
An air supply duct 25 is attached to the partition wall 17 so as to open to the air supply area 24. The air supply region 24 is provided with an air supply region partition plate 26 corresponding to the inter-rack partition plate 19, and the air supply region 24 partitioned by the air supply region partition plate 26 has a supply hole having a large number of pores. The air-supplying duct 25 is made of a hollow member, for example, a duct-like bag 27 made of a cloth of fine synthetic fiber.
Is provided to be connected to the opening. The rearing rack 20
A breeding container or a wire mesh cage (not shown) is installed on each of the shelves. Experimental animals are bred in the breeding container or the wire mesh cage. In the figure, the arrows indicate the airflow distribution,
Arrow 28 indicates air supply, and arrow 29 indicates exhaust.

That is, the animal breeding apparatus is divided into a work area 11, a breeding area 15, and an air supply area 24. The supply air 28 to the breeding rack 20 is supplied to each shelf of the breeding rack 20 by supplying clean air from a fine mesh of a duct-like bag 27 made of a fine synthetic fiber cloth in the air supply area 24. Uniform air supply can be performed. An exhaust port of an exhaust duct 18 is provided on the ceiling of the breeding area 15 and exhausts air sent from the air supply area 24 through the breeding rack 20. Work area 1
The air supply / exhaust port 1 and the air supply port 12 in the work area 11
Perform 3 The breeding area 15 and the air supply area 24 are separated by an escape prevention wire mesh 22 to prevent experimental animals that escaped from the breeding container or the wire mesh cage from entering the air supply area 24. On the front of the breeding rack 20, a starting plate 23 is started,
It prevents experimental animals that escaped from the breeding container or the wire mesh cage from going outside the breeding rack 20. Launcher 2
Reference numeral 3 denotes an exhaust port provided with a gap at an upper portion to exhaust the air in the breeding rack 20.

[0013] As described above, clean air in the rearing rack can be maintained at a high level because clean air is supplied from the air supply area to the rearing rack by the rear air supply of the rearing rack. In this case, the air supply in the air supply region can be made uniform in the vertical and horizontal directions of the air supply to the breeding rack by passing the air through a duct-like bag made of fine synthetic cloth. Since the pressure loss between the air supply area and the breeding area exhaust port is small, even if the breeding rack is partially removed, there is no disturbance in the air balance. Since the air supply area on the rear side of the rearing rack is a clean area, dirt is reduced, and the frequency of management work in this part where cleaning and sterilization is most difficult can be reduced.

Further, since the working area and the breeding area are separated by the transparent glass door, the degree of contamination of the worker and the working area does not affect the cleanliness in the breeding rack. On the other hand, the air in the rearing rack is exhausted from the front side of the rearing rack, but the breeding area and the working area are separated by a transparent glass door, so that the odor and dust generated from the experimental animals do not stay in the working area. The environment can be better maintained. The work environment is improved by taking measures to allergic workers and eliminating discomfort caused by odors.

Furthermore, since the rear surface of the rearing rack is partitioned by a wire net for preventing escape and the front surface of the rearing rack is partitioned by a rising plate, there is a possibility that the experimental animal may escape from the rearing rack even if it escapes from the rearing container or the wire netting cage. Absent. Genetically modified animals that have come into use in recent years must prevent the escape of laboratory animals in consideration of safety to the ecosystem and the environment.

[0016]

As described above, according to the present invention, the cleanliness in the breeding rack can be maintained at a high level, the work environment in the work area can be better maintained, and the air supply distribution in the air supply area can be made uniform. It is possible to provide an animal breeding apparatus that can be operated at a high speed.

[Brief description of the drawings]

FIG. 1 is an explanatory sectional view showing an embodiment of the present invention.

FIG. 2 is an explanatory side view showing an embodiment of the present invention.

FIG. 3 is an explanatory sectional view showing a conventional animal breeding apparatus.

[Explanation of symbols]

Reference numeral 11: working area, 12: air supply port, 13: exhaust port, 14: transparent glass door, 15: rearing area, 16: duct arrangement part, 17
... partition walls, 18 ... exhaust ducts, 19 ... partition plates between racks,
Reference numeral 20: rearing rack, 21: caster, 22: escape wire mesh, 23: transparent start-up plate, 24: air supply area, 25:
Air supply duct, 26 ... Air supply area partition plate, 27 ... Duct-shaped bag made of fine mesh synthetic fiber cloth, 28 ... Air supply, 29
…exhaust.

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kazunori Ishii 390 Kita-Nagai, Miyoshi-cho, Iruma-gun, Saitama Prefecture (72) Inventor Masaichi Hasegawa 390 Kita-Nagai, Miyoshi-cho, Iruma-gun, Saitama Daidan Corporation (56) References JP-A-63-209529 (JP, A) JP-A-4-161754 (JP, A) JP-A-56-163219 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A01K 1/00

Claims (1)

(57) [Claims] 1. A wire mesh is provided at an opening at the back of each shelf,
A start-up plate is provided at the front opening of each shelf so that it can be opened and closed.
When the start-up plate is closed, the top is
Rearing animals that are provided with lit openings
That the breeding rack, the breeding region exhaust duct the breeding rack is disposed is connected, an air supply area that sack is provided with a plurality of pores connected to disposed air supply duct at the back of the breeding rack An animal breeding apparatus comprising: the breeding area and a work area partitioned by an opening / closing door.