CN219042514U - Special clarification plant of experimental animals cage utensil - Google Patents

Abstract

The utility model relates to a special purifying device for experimental animal cages, which comprises: the device comprises a cage box and a baffle plate fixed in the cage box, wherein the baffle plate divides the cage box into a feeding cavity and a faeces cavity; the device also comprises a main flow pipe connected to the bottom of the feeding cavity, a filter box connected with the main flow pipe, a humidifying box, a heating box, a hot exhaust pipe connected with the fecal cavity and the heating box, a wet air inlet pipe connected with the filter box and the humidifying box, an air inlet pipe connected to the bottom of the filter box and an air blower connected with the air inlet pipe. The utility model has simple structure, and can filter and humidify the air entering the cage box by arranging the filter box, the humidifying box and the heating box which are connected with the cage box; divide into raising chamber and excrement and urine chamber with the cage box, through set up the air dispersion pipe of spiral in raising the intracavity, can form ascending air current, be favorable to taking out the original air in raising the chamber, realize no dead angle air supply, be favorable to the normal growth of animal in the cage box.

Description

Special clarification plant of experimental animals cage utensil

Technical Field

The utility model belongs to the technical field of experimental animal cages, and particularly relates to special purifying equipment for an experimental animal cage.

Background

Animal tests are usually carried out by requiring animals to be raised in a sterile environment, so that a set of animal raising equipment is required, the conventional experimental animal cages are independently sealed and isolated from the outside, the external air is required to be regularly introduced into the cage during use, and the stale odorous air in the cage is discharged through a special channel, so that mutual infection of animals in each cage is avoided.

However, the existing air supply opening and air outlet of the cage are arranged on the upper portion, so that the air flowing loop is still arranged on the upper portion in the box body, the air supply in the box body cannot be uniform, dead angles where air does not circulate easily occur in the box, animal excreta and animals in the box are located in the same room, and in addition, the air fed into the cage lacks filtering measures, bacteria are easy to breed in the box, and the normal growth of experimental animals is not facilitated.

Disclosure of Invention

The utility model aims to overcome the defects that in the prior art, the cage box is uneven in air supply and bacteria breeding cause the defect that experimental animals are unfavorable to grow, and provides special purifying equipment for experimental animal cages.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a special purifying device for experimental animal cages comprises:

the device comprises a cage box and a baffle plate fixed in the cage box, wherein the baffle plate divides the cage box into a feeding cavity and a faeces cavity;

the device also comprises a main flow pipe connected to the bottom of the feeding cavity, a filter box connected with the main flow pipe, a humidifying box, a heating box, a hot exhaust pipe connected with the fecal cavity and the heating box, a wet air inlet pipe connected with the filter box and the humidifying box, an air inlet pipe connected to the bottom of the filter box and an air blower connected with the air inlet pipe.

Optimally, the device also comprises an air dispersing groove spirally arranged on the inner side wall of the feeding cavity, an air dispersing pipe arranged in the air dispersing groove and connected with the main flow pipe, an air dispersing hole arranged on the inner side of the air dispersing pipe, a first leakage hole arranged on the partition plate, a first baffle plate and a second baffle plate obliquely fixed in the excrement cavity and a second leakage hole arranged on the first baffle plate, and the hot exhaust pipe is connected between the first baffle plate and the second baffle plate.

Optimally, the filter box also comprises a coarse filter element filled at the bottom of the inner side of the filter box, a fine filter element filled at the top of the inner side of the filter box, an ultraviolet lamp fixed at the top of the inner side of the humidifying box and an electric stove wire spirally arranged in the heating box.

Optimally, the device further comprises a dry exhaust pipe connected with the main flow pipe and the filter box, a wet exhaust pipe connected with the main flow pipe and the humidifier box, a hot air inlet pipe connected with the main flow pipe and the heater box, a dry exhaust pipe valve arranged on the dry exhaust pipe, a wet air inlet pipe valve arranged on the wet air inlet pipe, a wet exhaust pipe valve arranged on the wet exhaust pipe, a hot air inlet pipe valve arranged on the hot air inlet pipe, a hot exhaust pipe valve arranged on the hot exhaust pipe and a main flow pipe valve arranged on the main flow pipe, wherein the main flow pipe valve is positioned between the feeding cavity and the hot air inlet pipe.

Optimally, the device also comprises an exhaust pipe connected to the top of the feeding cavity, a drain pipe connected to the bottom of the fecal cavity and connected in parallel with the second baffle plate, and a water inlet pipe connected to the top of the fecal cavity and arranged opposite to the first baffle plate.

Preferably, the diameter of the first weep hole is larger than the diameter of the second weep hole.

Optimally, the filter box is divided into an upper filter cavity and a lower filter cavity, the coarse filter core is positioned in the lower filter cavity, the fine filter core is positioned in the upper filter cavity, one end of the wet air inlet pipe is connected with the upper filter cavity, and the other end of the wet air inlet pipe extends to the bottom of the humidifying box.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the special purifying device for the experimental animal cage has a simple structure, and can filter and humidify the air entering the cage through arranging the filter box, the humidifying box and the heating box which are connected with the cage; the cage box is divided into a feeding cavity and a fecal cavity, so that experimental animals and excrement can be separated, and bacterial breeding caused by the fact that the experimental animals and the excrement are in the same room for a long time is avoided; the animal scraps on the first baffle plate and the second baffle plate are washed regularly through the water inlet pipe, and then heated air is conveyed into the excrement cavity under the action of the heating box, so that bacteria breeding caused by the wet excrement cavity is avoided; through set up spiral air dispersion pipe in raising the intracavity, can form ascending air current, be favorable to taking out the original air of raising the intracavity, the air current is from supreme spreading down moreover, can guarantee to raise the air of intracavity corner place and also can form the flow, realizes no dead angle air supply, is favorable to the normal growth of cage interior animal.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a partial structure of the present utility model;

FIG. 3 is a schematic view of a partial structure of the present utility model;

FIG. 4 is a cross-sectional view of a feeding chamber of the present utility model;

FIG. 5 is a front view of FIG. 4 in accordance with the present utility model;

reference numerals illustrate:

1. a blower; 2. an air inlet pipe; 3. a filter box; 4. an upper filter chamber; 5. a lower filter chamber; 6. a coarse filter element; 7. a fine filter element; 8. a dry exhaust pipe; 9. a dry exhaust pipe valve; 10. a wet air inlet pipe; 11. a wet intake pipe valve; 12. a humidification case; 13. an ultraviolet lamp; 14. a wet exhaust pipe; 15. a wet exhaust pipe valve; 16. a heating box; 17. an electric stove wire; 18. a hot air inlet pipe; 19. a hot intake pipe valve; 20. a hot exhaust pipe; 21. a hot exhaust pipe valve; 22. a main flow tube; 23. a cage; 24. a feeding chamber; 25. a fecal cavity; 26. a partition plate; 27. a first leak hole; 28. a gas dispersion groove; 29. a gas dispersing pipe; 30. air dispersing holes; 31. a first baffle; 32. a second leak hole; 33. a second baffle; 34. a water inlet pipe; 35. a blow-down pipe; 36. an exhaust pipe; 37. a main flow pipe valve.

Detailed Description

The utility model will be further described with reference to examples of embodiments shown in the drawings.

As shown in fig. 1 to 3, which are schematic views of the special purifying apparatus for experimental animal cages of the present utility model, it is generally used for raising experimental animals, and the living environment of animals can be adjusted accordingly to ensure the normal growth of experimental animals, and it comprises a blower 1, an air inlet pipe 2, a filter box 3, a humidifying box 12, a heating box 16, a main flow pipe 22, a cage box 23, etc. The cage box 23 is composed of a cage body and a cage cover, wherein the top of the cage body is provided with an opening, the cage cover is covered on the cage body, and the cage cover is opened when needed, so that a breeder can conveniently take and put experimental animals. The baffle 26 is horizontally fixed in the inside of cage 23, and divide into two regions of raising chamber 24 and excrement chamber 25 with cage 23 is vertical, and raising chamber 24 is used for experimental animals 'normal growth and development, and excrement chamber 25 is used for collecting experimental animals' excrement. The first leak holes 27 are formed in the circumference array on the partition plate 26, the first leak holes 27 are used for leaking animal excreta in the feeding cavity 24 into the fecal cavity 25 below, the cage box 23 is divided into two areas, experimental animals and the excreta can be separated, bacterial breeding caused by the fact that the experimental animals and the excreta are in the same room for a long time is avoided, and normal growth of the experimental animals in the interior is facilitated.

As shown in fig. 4 and 5, the air dispersing groove 28 is spirally arranged on the inner side wall of the feeding cavity 24, the air dispersing pipe 29 is arranged in the air dispersing groove 28 and spirally arranged, air dispersing holes 30 are formed in the inner side of the air dispersing pipe 29 at intervals, after purified air is introduced into the air dispersing pipe 29 from the outside of the cage box 23, the air rises along the spiral air dispersing pipe 29, enters the feeding cavity 24 through the air dispersing holes 30 during the rising, upward air flow can be formed by arranging the spiral air dispersing pipe 29 in the feeding cavity 24, the original air in the feeding cavity 24 is favorably carried out, the air flow spreads from bottom to top, the air at the inner corner of the feeding cavity 24 can be ensured to flow, and dead angle-free air supply is realized. An exhaust duct 36 is connected to the top of the feeding chamber 24, and the original air in the feeding chamber 24 is exhausted from the exhaust duct 36 by the air flow.

The first baffle 31 and the second baffle 33 are obliquely fixed in the faeces cavity 25 and are arranged at intervals, the first baffle 31 is connected with the partition 26, the second baffle 33 is connected with the bottom of the faeces cavity 25, and the first baffle 31 and the second baffle 33 are parallel. The second leak hole 32 has been seted up on the first baffle 31, the diameter of second leak hole 32 is less than the diameter of first leak hole 27, the excrement that the animal in the rearing chamber 24 produced drops on first baffle 31 through first leak hole 27, the excrement includes excrement and urine, the urine drops on second baffle 33 through second leak hole 32, and the excrement and urine then remains on first baffle 31, owing to first baffle 31 and second baffle 33 all slope setting, consequently under the effect of gravity, excrement and urine all slope towards one side of first baffle 31 and second baffle 33. The drain 35 is connected at the bottom of the fecal cavity 25 and is connected in parallel with the second baffle 33, and urine accumulated on one side of the second baffle 33 is timely discharged out of the cage box 23 through the drain 35 (since urine is liquid, the urine contains more bacteria compared with feces, and the times of animal urine discharge is far higher than the times of feces discharge, so that the urine generated by animals needs to be discharged out of the cage box 23 at the first time, thereby avoiding the breeding of bacteria in the cage box 23, and the feces needs to be cleaned at fixed time, thereby not only ensuring the animal growth environment in the cage box 23, but also reducing the frequency of cleaning the cage box 23 by a breeder. The inlet tube 34 is connected at the top of excrement and urine chamber 25 and sets up relatively with first baffle 31, and the high-pressure squirt is connected to the inlet tube 34 other end, opens the high-pressure squirt regularly, and the high-pressure water that the high-pressure squirt produced washes first baffle 31 through inlet tube 34, washes the excrement and urine of first baffle 31 to second baffle 33 on, then is discharged by blow off pipe 35, and the breeder no longer need frequently open cage 23 and wash first baffle 31, has greatly alleviateed breeder's work load.

The main flow pipe 22 is connected to the bottom of the feeding chamber 24 and to the diffuser pipe 29 for introducing purified air into the diffuser pipe 29. The other end of the main flow pipe 22 is connected with the filter box 3 through a dry exhaust pipe 8. The filter box 3 is divided into an upper filter cavity 4 and a lower filter cavity 5, a coarse filter core 6 is filled in the lower filter cavity 5, and a fine filter core 7 is filled in the upper filter cavity 4. The bottom of the filter box 3 is connected with an air inlet pipe 2, the other end of the air inlet pipe 2 is connected with a blower 1, a motor of the blower 1 is started, the blower 1 pumps external air to the air inlet pipe 2, the filtered air enters a main flow pipe 22 through a dry exhaust pipe 8 through coarse filtration of a lower filter cavity 5 and fine filtration of an upper filter cavity 4, and finally flows into a diffuser pipe 29. A dry exhaust pipe valve 9 is provided on the dry exhaust pipe 8 for controlling the opening and closing of the dry exhaust pipe 8.

The humidification tank 12 is arranged at one side of the filter tank 3, 3/4 of purified water is filled in the humidification tank 12, and the humidification tank is connected with the filter tank 3 through the wet air inlet pipe 10 (one end of the wet air inlet pipe 10 is connected in the upper filter cavity 4, the other end of the wet air inlet pipe extends into the purified water in the humidification tank 12, filtered air enters the purified water in the humidification tank 12 through the wet air inlet pipe 10, and the air with humidity is diffused out of the purified water). A wet intake pipe valve 11 is provided on the wet intake pipe 10 for controlling the opening and closing of the wet intake pipe 10. The wet stack 14 is integrally connected to the top of the humidification tank 12 and connected to the main flow pipe 22 for discharging the air having humidity into the main flow pipe 22. A wet exhaust pipe valve 15 is provided on the wet exhaust pipe 14 for controlling the opening and closing of the wet exhaust pipe 14. The ultraviolet lamp 13 is fixed at the top of the inside of the humidification case 12 for sterilizing the air diffused from the purified water, and the humidification case 12 is arranged to provide the air with humidity for the cage box 23, so that the animal in the cage box 23 is prevented from being in a dry environment for a long time and generating discomfort.

The heating box 16 is provided at one side of the humidifying box 12 and is connected to the stool chamber 25 through the hot exhaust pipe 20. A hot exhaust pipe valve 21 is provided on the hot exhaust pipe 20 for controlling opening and closing of the hot exhaust pipe 20. The hot air inlet pipe 18 is integrally connected to the top of the heating box 16 and connected to the main flow pipe 22, and the hot air inlet pipe valve 19 is disposed on the hot air inlet pipe 18 for controlling the opening and closing of the hot air inlet pipe 18. The wire 17 is spirally disposed in the heating box 16 for heating the air entering the heating box 16. A main flow pipe valve 37 is provided on the main flow pipe 22 between the feeding chamber 24 and the hot air intake pipe 18 for controlling the opening and closing of the main flow pipe 22.

The special purification equipment for the experimental animal cage provided by the utility model has three modes for selection, and the specific working principle is as follows:

first mode (normal ventilation mode): closing the wet air inlet pipe valve 11, the wet air outlet pipe valve 15, the hot air inlet pipe valve 19 and the hot air outlet pipe valve 21, opening the dry air outlet pipe valve 9 and the main flow pipe valve 37, starting a motor of the blower 1, enabling the blower 1 to pump outside air to the air inlet pipe 2, enabling filtered air to enter the main flow pipe 22 through the dry air outlet pipe 8 and finally flow into the air dispersing pipe 29 through the dry air outlet pipe 8, enabling the air to ascend along the spiral air dispersing pipe 29, enabling the air to enter the feeding cavity 24 through the air dispersing pipe 30, enabling the spiral air dispersing pipe 29 to form upward air flow, being beneficial to taking original air in the feeding cavity 24 out, enabling the air flow to flow from bottom to top, enabling the original air in the feeding cavity 24 to be discharged from the air outlet pipe 36 under the action of the air flow, and enabling dead angle-free air supply to be achieved;

second mode (dry condition in the feeding chamber 24): closing the dry exhaust pipe valve 9, the hot air inlet pipe valve 19 and the hot exhaust pipe valve 21, opening the wet air inlet pipe valve 11, the wet exhaust pipe valve 15 and the main flow pipe valve 37, starting a motor of the blower 1, pumping external air to the air inlet pipe 2 by the blower 1, enabling the filtered air to enter purified water of the humidifying box 12 through the wet air inlet pipe 10 through coarse filtration of the lower filter cavity 5 and fine filtration of the upper filter cavity 4, enabling the air with humidity to diffuse out of the purified water, enabling the air with humidity to enter the main flow pipe 22 after sterilization treatment of the ultraviolet lamp 13, and finally enabling the air to flow into the air dispersing pipe 29 to provide air with humidity for the feeding cavity 24 so as to ensure normal growth requirements of experimental animals in the interior;

third mode (clean-up sterilization): closing the wet air inlet pipe valve 11, the wet air outlet pipe valve 15 and the main flow pipe valve 37, opening the dry air outlet pipe valve 9, the hot air inlet pipe valve 19 and the hot air outlet pipe valve 21, opening the high-pressure water gun at regular time, flushing the first baffle plate 31 by high-pressure water generated by the high-pressure water gun through the water inlet pipe 34, flushing the excrement of the first baffle plate 31 onto the second baffle plate 33, then discharging the excrement by the blow-off pipe 35, at the moment, the excrement cavity 25 is in a wet state, starting a motor of the blower 1, pumping the outside air to the air inlet pipe 2 by the blower 1, performing coarse filtration through the lower filter cavity 5 and fine filtration through the upper filter cavity 4, enabling the filtered air to enter the main flow pipe 22 through the dry air outlet pipe 8, enabling the hot air inlet pipe 18 to enter the heating box 16, heating the air entering the heating box 16 through the electric stove wire 17, and timely drying the wet excrement cavity 25 through the hot air inlet pipe 20, thereby avoiding bacterial breeding.

The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims (7)

1. The special clarification plant of experimental animals cage utensil, its characterized in that includes:

the device comprises a cage box (23) and a baffle plate (26) fixed in the cage box (23), wherein the baffle plate (26) divides the cage box into two chambers, namely a feeding chamber (24) and a faeces chamber (25);

the device also comprises a main flow pipe (22) connected to the bottom of the feeding cavity (24), a filter box (3) connected with the main flow pipe (22), a humidifying box (12) and a heating box (16), a hot exhaust pipe (20) connected with the excrement cavity (25) and the heating box (16), a wet air inlet pipe (10) connected with the filter box (3) and the humidifying box (12), an air inlet pipe (2) connected to the bottom of the filter box (3) and a blower (1) connected with the air inlet pipe (2).

2. The special purifying device for experimental animal cages according to claim 1, wherein: it still includes that the spiral is offered scattered gas groove (28) on the inside wall of raising chamber (24), set up in scattered gas groove (28) and with the air dispersion pipe (29) that main flow pipe (22) link to each other, set up scattered gas hole (30) of air dispersion pipe (29) inboard, set up first leak (27) on baffle (26), slope is fixed first baffle (31) and second baffle (33) in excrement and urine chamber (25) and set up second leak (32) on first baffle (31), hot blast pipe (20) are connected between first baffle (31) and second baffle (33).

3. The special purifying device for experimental animal cages according to claim 2, wherein: the filter element also comprises a coarse filter element (6) filled at the bottom of the inner side of the filter box (3), a fine filter element (7) filled at the top of the inner side of the filter box (3), an ultraviolet lamp (13) fixed at the top of the inner side of the humidifying box (12) and an electric stove wire (17) spirally arranged in the heating box (16).

4. A special purification device for laboratory animal cages according to claim 3, characterized in that: it still includes connect dry blast pipe (8) of mainstream pipe (22) and rose box (3), connect wet blast pipe (14) of mainstream pipe (22) and humidification box (12), connect hot intake pipe (18) of mainstream pipe (22) and heating box (16), set up dry blast pipe valve (9) on dry blast pipe (8), set up wet intake pipe valve (11) on wet blast pipe (10), set up wet blast pipe valve (15) on wet blast pipe (14), set up hot intake pipe valve (19) on hot blast pipe (18), set up hot blast pipe valve (21) on hot blast pipe (20) and set up mainstream pipe valve (37) on mainstream pipe (22), mainstream pipe valve (37) are located between feeding chamber (24) and hot blast pipe (18).

5. The special purifying device for experimental animal cages according to claim 2, wherein: the novel excrement feeder further comprises an exhaust pipe (36) connected to the top of the feeding cavity (24), a drain pipe (35) connected to the bottom of the excrement cavity (25) and connected with the second baffle plate (33) in parallel, and a water inlet pipe (34) connected to the top of the excrement cavity (25) and arranged opposite to the first baffle plate (31).

6. The special purifying device for experimental animal cages according to claim 2, wherein: the diameter of the first leakage hole (27) is larger than that of the second leakage hole (32).

7. A special purification device for laboratory animal cages according to claim 3, characterized in that: the filter box (3) is divided into an upper filter cavity (4) and a lower filter cavity (5), the coarse filter element (6) is positioned in the lower filter cavity (5), the fine filter element (7) is positioned in the upper filter cavity (4), one end of the wet air inlet pipe (10) is connected with the upper filter cavity (4), and the other end of the wet air inlet pipe (10) extends to the bottom of the humidifying box (12).

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