CN211721435U

CN211721435U - Independent aeration cage for animals

Info

Publication number: CN211721435U
Application number: CN202020099166.4U
Authority: CN
Inventors: 肖文昌; 颜欢欢; 万陆
Original assignee: Wuhan Ruifuning Technology Co ltd
Current assignee: Hubei Ruiying Technology Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-10-23
Anticipated expiration: 2030-01-17

Abstract

The utility model provides an independent ventilation cage of animal, including the cage, the animal cage utensil that has the air vent, air vent and alarm module, air vent and air vent are dismantled and are connected, alarm module is including locating the reset switch on the cage, locate the selection switch subassembly on the air duct, locate on the animal cage utensil and correspond the contact member of selection switch subassembly position and divide two suggestion light sources of locating on the cage, respectively with the selection switch subassembly after two suggestion light source parallel connection, reset switch and a DC power supply series connection, the selection switch subassembly includes the casing, the key switch platform, elasticity key switch and selection switch. When the reset switch is conducted, the selection switch is conducted with the first prompting light source. When the elastic key switch is compressed to the selection switch by the contact part to switch on the circuit, the vent nozzle and the vent hole are in airtight ventilation, and the selection switch and the second prompting light source are in conduction setting. The ventilation cage intuitively reflects whether the cage is correctly placed or not and prompts the ventilation state in real time.

Description

Independent aeration cage for animals

Technical Field

The utility model belongs to the technical field of medical science image, especially, relate to an independent cage of ventilating of animal.

Background

The experimental animals are usually required to be raised in a laboratory for carrying out the experiment for a period of time before carrying out the image experiment to adapt to the environment, the existing large and small mouse raising equipment is more Independent Ventilated Cages (IVC), and the IVC equipment supplies purified air to the closed cages of each animal to be raised and discharges waste gas to ensure that the experimental animals are not interfered by pollutants in the external environment in the raising process.

The IVC equipment is characterized in that the closed state of the cage is determined to be in a closed unvented state, and only when the cage is placed at a correct position on an IVC cage frame, the ventilation nozzle on the ventilation pipeline is combined with the ventilation hole of the cage, normal ventilation can be realized. In the actual use process, the cage is often placed in an improper position, or the placing direction is opposite, so that the experimental animals raised by the cage are suffocated due to the fact that the cage is not ventilated.

At present, when IVC is used for feeding animals, in order to ensure normal ventilation of the cage, the cage is usually placed on a cage frame and then repeatedly checked to see whether the cage is pushed to the innermost side (the existing cage is pushed to the innermost side so as to realize tight ventilation of the ventilation holes of the cage and the ventilation nozzles of the ventilation pipelines), and meanwhile, after the cage is placed for a half hour, the animal state in the cage is observed to see whether the animal state is normal to determine that the ventilation function is normal.

The existing aeration cage has the following disadvantages:

1. whether the cage is placed in place cannot be visually displayed, the cage can only be repeatedly confirmed by experience and care, and the animal suffocation cannot be completely avoided under the condition of novice or carelessness.

2. After placing the completion, if meet the unexpected condition and lead to cage vibrations, situation such as earthquake, the unexpected collision of experimenter leads to cage utensil displacement, can't reflect out whether cage utensil is on the accurate position, and the experimenter is difficult to directly discover the cage utensil of not ventilating.

3. After the placement is completed, experimenters need to often observe the activity condition of the mice in the cage to evaluate whether the ventilation condition is good or not, and a large amount of human resources are consumed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned not enough, provide an independent cage of ventilating of animal, under the state that does not change original connection structure of ventilating, whether the position that can respond directly perceivedly IVC cage utensil correctly places and the suggestion state of ventilating is normal, real time monitoring and warning experimenter to ensure when the bad situation of ventilating appears, in time with IVC cage utensil playback.

In order to solve the above problems, the specific technical solution of the present invention is as follows:

an independent ventilation cage for animals comprises a cage frame, an animal cage which is arranged on the cage frame in a sliding manner, a ventilation pipeline, a ventilation nozzle which is arranged on the ventilation pipeline and an alarm module, wherein the ventilation nozzle is detachably connected with a ventilation hole of the animal cage, the alarm module comprises a reset switch which is arranged on a support guide rail part of the cage frame and used for pressing the animal cage, a selection switch component which is arranged on the ventilation pipeline at the same side of the ventilation nozzle, a contact part which is arranged on the animal cage at the same side of the ventilation hole and corresponds to the position of the selection switch component, and a first prompt light source and a second prompt light source which are respectively arranged on the cage frame, the first prompt light source and the second prompt light source are connected in parallel and then respectively connected in series with the selection switch component, the reset switch and a direct current power supply, the selection switch component comprises a shell, the button switch platform is arranged on the shell, the elastic button switch is arranged on the button switch platform, and the selection switch is arranged below the elastic button switch;

when the reset switch is conducted, the selection switch is conducted with the first prompting light source; when the elastic key switch is compressed to the selection switch switching conducting circuit by the contact part, the ventilating nozzle and the ventilating hole are arranged in an airtight ventilating mode, and the selection switch and the second prompting light source are arranged in a conducting mode.

Preferably, the housing is a hollow cylindrical housing, the key switch platform is a cylindrical switch platform which corresponds to the inner diameter of the housing and is slidably sleeved in the housing, and a positioning screw for limiting the relative position of the housing and the key switch platform is screwed on the cylinder wall of the key switch platform so as to adjust and fix the telescopic length of the key switch platform.

Preferably, the support rail member provided with the reset switch communicates with the housing via a wire guide member.

Preferably, the wire guide member is a plastic hose with a built-in wire passage.

Preferably, the first prompting light source and the second prompting light source are light source elements with different colors.

Preferably, the first prompting light source and the second prompting light source are arranged at the end part of the support guide rail part provided with the reset switch.

Preferably, two light source accommodating holes are formed in the end portion of the support guide rail component, and the first prompt light source and the second prompt light source are respectively arranged in the light source accommodating holes in a recessed mode.

The utility model provides an animal independently ventilates cage under the state that does not change original connection structure of ventilating, whether the position that can the reaction cage utensil directly perceived correctly places and whether the suggestion state of ventilating is normal, real time monitoring and remind the experimenter to ensure when the bad situation of ventilating appears, in time with cage utensil playback. Specifically, set up alarm module on current ventilation cage structure, during the use, switch on the circuit through the reset switch of animal cage utensil pressfitting, select switch switches on first suggestion light source this moment to whether the position of reaction cage utensil is correctly placed and the suggestion circular telegram of directly perceivedly. When the elastic key switch is compressed to the selection switch by the contact part to switch on the circuit, the vent nozzle and the vent hole are arranged in an airtight ventilation mode, the selection switch is used for switching on the second prompting light source to prompt whether the ventilation state is normal or not, and the experimenter is assisted to react in time when the poor ventilation condition occurs. Therefore, the independent ventilation cage for the animal can visually display the placement condition of the animal cage, namely when no cage is arranged on the support guide rail component of the cage, the first prompt light source and the second prompt light source are both in a turned-off state, the first prompt light source is turned on when the cage is correctly placed on the support guide rail component, the second prompt light source is turned off when the cage is not ventilated, the second prompt light source is turned on when the cage is ventilated, and the experimenters are prompted to know the state in real time. Can use manpower sparingly and time, place the completion back, need not the experimenter and confirm cage utensil position and animal state repeatedly, only need see the pilot lamp and can know the cage utensil and place the condition. When the displacement of the animal cage is caused by an accident, experimenters can see which cages are abnormal in position at the first time and correct the abnormal position in time.

In addition, the cylinder wall of the key switch platform is screwed with a positioning screw for limiting the relative position of the shell and the key switch platform, the telescopic length of the key switch platform extending out of the shell is adjusted by adjusting the tightness of the positioning screw, and the connection airtightness adjustment of the vent nozzle and the vent hole is realized when the elastic key switch is compressed to the selection switch by the contact part to switch on the circuit.

Drawings

Fig. 1 is a schematic structural view of an embodiment of an independent animal ventilation cage of the present invention;

fig. 2 is a schematic circuit diagram of an animal independent ventilation cage of the present invention;

fig. 3 is a first state diagram of the animal independent aeration cage of the present invention;

fig. 4 is a second state diagram of the animal independent aeration cage of the present invention;

fig. 5 is a third state diagram of the independent animal ventilation cage of the present invention.

Detailed Description

To facilitate understanding of the structure of the present invention, the following description is made with reference to the accompanying drawings and examples.

Fig. 1 is the structural schematic diagram of an embodiment of the independent aeration cage of animal shown in the utility model, fig. 2 is the utility model discloses a circuit schematic diagram of an independent aeration cage of animal shown, fig. 3 is the utility model discloses a first state diagram of an independent aeration cage of animal, fig. 4 is the utility model discloses a second state diagram of an independent aeration cage of animal shown, fig. 5 is the utility model discloses a third state diagram of an independent aeration cage of animal shown. As shown in fig. 1 to 5, the utility model provides an animal independent ventilation cage, which comprises a cage 10, an animal cage 20 slidably arranged on the cage 10, a ventilation pipeline 30, a ventilation nozzle 31 arranged on the ventilation pipeline 30 and an alarm module 40, wherein the ventilation nozzle 31 is detachably connected with the ventilation hole 21 of the animal cage 20.

The alarm module 40 comprises a reset switch 41 which is arranged on a support guide rail part 11 of the cage 10 and used for pressing the animal cage 20, a selection switch component 42 which is arranged on the ventilation pipeline 30 at the same side of the ventilation nozzle 31, a contact component 43 which is arranged on the animal cage 20 at the same side of the ventilation hole 21 and corresponds to the position of the selection switch component 42, a first prompt light source 44 and a second prompt light source 45 which are respectively arranged on the cage 10, wherein the contact component 43 is used for abutting against the selection switch component 42 to switch a conducting circuit of the selection switch component 42, and the first prompt light source 44 and the second prompt light source 45 are respectively connected in series with the selection switch component 42, the reset switch 41 and a direct current power source 47 after being connected in parallel. The selection switch assembly 42 includes a housing 421, a key switch stage 422 disposed on the housing 421, an elastic key switch 423 disposed on the key switch stage 422, and a selection switch 425 disposed below the elastic key switch 423.

When the reset switch 41 is turned on, the selection switch 425 is set in conduction with the first prompting light source 44. When the elastic key switch 423 is compressed by the contact member 43 to the selection switch 425 to switch the conducting circuit, the vent nozzle 31 and the vent hole 21 are arranged in an airtight manner, and the selection switch 425 and the second prompting light source 45 are arranged in a conducting manner.

In this embodiment, the casing 421 is a hollow cylindrical casing, the key switch stage 422 is a cylindrical switch stage that corresponds to the inner diameter of the casing 421 and is slidably sleeved in the casing 421, and a positioning screw 424 for limiting the relative position of the casing 421 and the key switch stage 422 is screwed on the cylindrical wall of the key switch stage 422, so as to adjust and fix the telescopic length of the key switch stage 422. The stretching length of the key switch table 422 extending out of the shell 421 is adjusted by adjusting the tightness of the positioning screw 424, so that the connection airtightness between the vent nozzle 31 and the vent hole 21 is adjusted when the elastic key switch 423 is compressed by the contact part 43 to the selection switch 425 to switch a conducting circuit.

Further, the support rail member 11 provided with the reset switch 41 communicates with the housing 421 via a wire guide member 46. In practice, the wire guide member 46 is a plastic hose with a built-in wire passage. The first prompting light source 44 and the second prompting light source 45 are light source elements with different colors, wherein the first prompting light source 44 is preferably a red light source, and the second prompting light source 45 is preferably a green light source. In practical application, the first prompting light source 44 and the second prompting light source 45 are arranged at the end part of the support rail part 11 provided with the reset switch 41, and the first prompting light source 44 and the second prompting light source 45 are arranged opposite to the lead guide part 46. In order to reduce the influence of the light source on the animal, two light source accommodating holes are formed in the end portion of the support rail part 11, and the first prompt light source 44 and the second prompt light source 45 are respectively arranged in the light source accommodating holes in a recessed mode, so that the area of the prompt light source for diffusing light towards the outside can be effectively reduced.

The details of the specific application of the animal independent aeration cage provided by the utility model are explained in detail below.

The utility model provides an animal independently ventilates cage, detectable show whether animal cage utensil correctly places, its design principle is as shown in figure 1 and figure 2, and this animal independently ventilates cage includes cage 10, slides and locates animal cage utensil 20 on cage 10, locates breather mouth 31 and an alarm module 40 on the pipeline of ventilating 30. The alarm module 40 includes a reset switch 41, a selection switch assembly 42, a contact member 43, and a first prompt light source 44 and a second prompt light source 45. The housing of the support rail member 11 of the cage 10 is made of stainless steel, the reset switch 41 in the middle is a spring reset switch, and the front end of the support rail member 11 is provided with red and green indicating lamps (the first prompt light source 44 and the second prompt light source 45 are red and green indicating lamps, respectively). The shell of the selection switch component is made of plastic, a telescopic key switch platform is arranged in the middle of the shell, an elastic key switch 423 is arranged on the key switch platform 422, a stainless steel positioning screw 424 is arranged on the right side of the key switch platform 422, the positioning screw 424 is loosened, and the telescopic length of the key switch platform 422 can be adjusted to ensure that the animal cage 20 is correctly placed. When the ventilation is normal, the contact part 43 of the animal cage 20 can just fully press the elastic push switch 423. The support rail member 11 provided with the reset switch 41 is in communication with the housing 421 via a wire guide member 46, and the wire guide member 46 is a plastic hose with a wire therein. The circuit elements for supporting the rail member 11 and the selector switch assembly 42 are connected.

FIG. 2 is a schematic circuit diagram of the animal's isolated ventilation cage with the DC power supply 47 connected to the IVC main unit power supply to provide power, the circuit being connected when the spring return switch 41 is depressed, and the red indicator light on because the selector switch 425 is initially connected to the first contact; the flexible push switch 423 is then pressed, the selector switch 425 is connected to the second contact, and the green indicator light is on. The elastic key switch 423 is released, and the elastic key switch 423 is returned to the original position by the spring. In order not to influence the activity and rest of animals, the light of the indicating lamp is weak and is sunk into the lamp hole, and the hole wall of the lamp is black, so that weak red light or green light can be clearly seen by experimenters.

As shown in fig. 3, when the animal cage 20 is not placed or ready to be pushed in, neither the reset switch 41 nor the elastic push switch 423 is pressed, and neither indicator light is on. As shown in fig. 4, when the cage is not pushed inward to the correct position, the reset switch 41 is pressed, the elastic key switch 423 is not pressed, and the red indicator light is on to indicate that the animal cage 20 is not pushed to the correct position. As shown in fig. 5, when the animal cage 20 is pushed inward to the correct position and the ventilation function is normal, the elastic key switch 423 is pressed, the red indicator light is turned off, the green indicator light is turned on, and the animal cage 20 is indicated to the correct position.

The alarm situations include, but are not limited to, the following:

1. the animal cage 20 is placed upside down with the contact member 43 positioned outside, the elastic push switch 423 cannot be pressed, and the red indicator light is on.

2. The animal cage 20 is not pushed completely, the elastic key switch 423 is not pressed down, and the red indicator light is on.

3. The animal cage 20 moves outward due to an accident, the elastic key switch 423 bounces, and the red indicator light is on.

Under the above circumstances, the experimenter can find the incorrectly placed animal cage 20 in the first time, correct in time, and avoid the animal suffocation.

The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the present invention, which are intended to be limited only by the scope of the appended claims.

Claims

1. An independent animal ventilation cage is characterized by comprising a cage frame, an animal cage which is slidably arranged on the cage frame, a ventilation pipeline, a ventilation nozzle arranged on the ventilation pipeline and an alarm module, wherein the ventilation nozzle is detachably connected with a ventilation hole of the animal cage, the alarm module comprises a reset switch which is arranged on a support guide rail part of the cage frame and used for pressing the animal cage, a selection switch component which is arranged on the ventilation pipeline at the same side of the ventilation nozzle, a contact part which is arranged on the animal cage at the same side of the ventilation hole and corresponds to the position of the selection switch component, and a first prompt light source and a second prompt light source which are respectively arranged on the cage frame, the first prompt light source and the second prompt light source are respectively connected with the selection switch component, the reset switch and a direct current power supply in series after being connected in parallel, and the selection switch component comprises a shell, the button switch platform is arranged on the shell, the elastic button switch is arranged on the button switch platform, and the selection switch is arranged below the elastic button switch;

2. The animal independent ventilation cage of claim 1, wherein the housing is a hollow cylindrical housing, the key switch stage is a cylindrical switch stage which corresponds to the inner diameter of the housing and is slidably sleeved in the housing, and a positioning screw for limiting the relative position of the housing and the key switch stage is screwed on the wall of the key switch stage so as to adjust and fix the telescopic length of the key switch stage.

3. The animal self-contained aeration cage of claim 1, wherein the support rail member with the reset switch is in communication with the housing via a wire guide member.

4. The animal independent aeration cage of claim 3, wherein the wire guide member is a plastic hose with a built-in wire passage.

5. The animal independent aeration cage of claim 1, wherein the first and second cue light sources are differently colored light source elements.

6. The animal independent ventilation cage of claim 1, wherein the first prompting light source and the second prompting light source are disposed at an end of a support rail member to which a reset switch is mounted.

7. The animal independent ventilation cage of claim 6, wherein the end of the support rail member is provided with two light source receiving holes, and the first light indicator and the second light indicator are recessed in the light source receiving holes respectively.