CN111369881A

CN111369881A - Hot air type scald experimental instrument

Info

Publication number: CN111369881A
Application number: CN202010207260.1A
Authority: CN
Inventors: 张兵钱; 王广; 李雪涛; 唐全
Original assignee: Chongqing Medical and Pharmaceutical College
Current assignee: Chongqing Medical and Pharmaceutical College
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-07-03

Abstract

The invention provides a hot air type scald experimental instrument, which relates to the technical field of scald simulation and comprises an air guide pipe, wherein a position, close to one end, of the surface of the air guide pipe is fixedly connected with a mounting frame, the interior of the mounting frame is fixedly connected with the air guide pipe through a bolt, a motor is fixedly connected to the interior of the mounting frame, an output rotating shaft of the motor is positioned in the air guide pipe, a fan blade is fixedly connected to the position, positioned in the air guide pipe, of the output rotating shaft of the motor, a heating wire is fixedly connected to the inner wall of the air. According to the scald simulation device, the fan is used for driving the fan blades to rotate, so that air flow is generated inside the air guide cylinder by the fan blades, hot air is sprayed out of the air guide pipe by the air flow through the heating wire, scald is simulated by the hot air, the flow rate of the hot air is controlled by controlling the rotating speed of the fan, the scald control degree is achieved, the controllability is poor, the burn time and the burn depth are not easy to control, and the requirement for manufacturing a standard experimental animal scald model cannot be met.

Description

Hot air type scald experimental instrument

Technical Field

The invention relates to the technical field of scald simulation, in particular to a hot air type scald experimental instrument.

Background

In the simulation scald research work, strict requirements are placed on the scald wound surface of an experimental animal scald model on the consistency and accuracy of the scald depth and the scald area, the established model directly influences the scald research result, and the establishment of a standardized and quantized experimental animal scald model is a problem which needs to be solved in the scald research. For the preparation of an experimental animal scald model, the scald area can be kept consistent, and the scald temperature and the scald duration are stable. At present, no unified experimental animal scalding appliance exists at home and abroad, in the research of experimental animal scalding models, the method for establishing the models is mainly completed by methods such as scalding by water and solidifying gasoline burning, and the like, the methods are poor in controllability, the burning time and the burning depth are not easy to control, and the requirement for manufacturing standardized experimental animal scalding models cannot be met.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a hot air type scald experimental instrument.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a hot-blast formula scald experimental apparatus, includes the guide duct, the position fixedly connected with mounting bracket that the guide duct surface is close to one end, the inside bolt guide duct fixed connection that passes through of mounting bracket, the inside fixedly connected with motor of mounting bracket, the output pivot of motor is located inside the guide duct, the motor output pivot is located the inside position fixedly connected with flabellum of guide duct, the inner wall fixedly connected with heating wire of guide duct, the lateral wall intercommunication of guide duct has atomizing device.

Preferably, the atomizing device comprises a water guide hopper, a large opening end of the water guide hopper is communicated with the air guide pipe, the inner wall of a small opening end of the water guide hopper is in threaded connection with a water storage tank, a plug block is clamped on the inner wall of a port of the water storage tank, a cotton core is vertically inserted into the inner wall of the plug block, water is stored in the water storage tank, one end of the cotton core is located below the water surface, the other end of the cotton core is communicated with an atomizer, and the atomizer is located inside the air guide pipe.

Preferably, the surface of the air guide pipe is sleeved with a connecting ring, and the surface of the connecting ring is fixedly connected with a handle.

Preferably, a bolt is inserted into the connecting ring, one end of the bolt is in contact with the air guide pipe, and the surface of the connecting ring is in threaded connection with the handle.

Preferably, the other end of the air guide pipe is provided with an air outlet device, and the air outlet device is communicated with the air guide pipe.

Preferably, the air outlet device comprises a connecting pipe, the surface of the connecting pipe is in threaded connection with the inner wall of the air guide pipe, one end, far away from the air guide pipe, of the connecting pipe is communicated with an air outlet pipe, and air outlet grooves are uniformly formed in one end, far away from the air guide pipe, of the air outlet pipe.

Advantageous effects

1. According to the scald simulation device, the fan is used for driving the fan blades to rotate, so that air flow is generated inside the air guide cylinder by the fan blades, hot air is sprayed out of the air guide pipe by the aid of the air flow through the heating wires, scald is simulated by the aid of the hot air, the flow rate of the hot air is controlled by controlling the rotating speed of the fan, the scald control degree is achieved, controllability is poor, burn time and burn depth are not easy to control, and the scald simulation device cannot meet the requirement for manufacturing a standard experimental animal scald model.

2. According to the invention, water in the water outlet tank is guided to the inside of the atomizer by the cotton core, water mist is generated by the atomizer, the fan blades are driven by the motor to rotate in the air guide pipe to generate air flow, so that the water mist is sprayed out of the air guide pipe through the heating wire by means of the air flow, steam scald is simulated, the air guide pipe is covered at a simulated scald position to achieve the effect of controlling a scald range, the connecting ring is fixed on the surface of the air guide pipe through the bolt, the handle is fixed on the surface of the connecting ring, and the device is taken by means of the handle.

Drawings

FIG. 1 is a schematic structural view of a hot air scald experimental apparatus according to the present invention;

FIG. 2 is a schematic structural diagram of a connecting ring in a hot air scald experimental apparatus according to the present invention;

fig. 3 is a schematic structural view of an air outlet device in a hot air type scald experimental apparatus according to the present invention.

Illustration of the drawings: 1. an air guide pipe; 2. a mounting frame; 3. a motor; 4. a fan blade; 5. an electric heating wire; 6. an atomizing device; 61. a water guide hopper; 62. an atomizer; 63. a water storage tank; 64. a chock block; 65. a cotton core; 7. an air outlet device; 71. a connecting pipe; 72. an air outlet pipe; 73. an air outlet groove; 8. a connecting ring; 9. a handle.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-3, a hot-blast formula scald experimental apparatus, including guide duct 1, the position fixedly connected with mounting bracket 2 that the surface of guide duct 1 is close to one end, 1 fixed connection of guide duct is passed through to mounting bracket 2 is inside, the surface cover of guide duct 1 has go-between 8, go-between 8's fixed surface is connected with handle 9, the inside of go-between 8 is inserted and is equipped with the bolt, and the one end and the contact of guide duct 1 of bolt, go-between 8's surface and handle 9 threaded connection, the inside fixedly connected with motor 3 of mounting bracket 2, motor 3's output pivot is located inside guide duct 1, motor 3 output pivot is located the position fixedly connected with flabellum 4 of guide duct 1 inside, the inner wall fixedly connected with heating wire 5 of guide duct 1, the lateral wall intercommunication of guide duct.

Atomizing device 6 includes water guide bucket 61, water guide bucket 61's macrostoma end and guide duct 1 are linked together, the inner wall threaded connection of water guide bucket 61 microcephaly end has water storage tank 63, water storage tank 63 port inner wall joint has chock 64, the vertical interpolation of chock 64's inner wall is equipped with cotton core 65, water is deposited to water storage tank 63's inside, the one end of cotton core 65 is located under the surface of water, the other end intercommunication of cotton core 65 has atomizer 62, atomizer 62 is located the inside of guide duct 1.

The other end of guide duct 1 is equipped with air-out device 7, and air-out device 7 is linked together with guide duct 1, and air-out device 7 includes connecting pipe 71, and the surface and the inner wall threaded connection of guide duct 1 of connecting pipe 71, the one end intercommunication that connecting pipe 71 kept away from guide duct 1 have a tuber pipe 72, and the tuber pipe 72 is kept away from the one end of guide duct 1 and has evenly seted up air outlet 73.

The working principle of the invention is as follows: the fan is utilized to drive the fan blade 4 to rotate, so that the fan blade 4 generates air flow inside the air duct, hot air is sprayed out of the air duct 1 through the electric heating wire 5 by utilizing the air flow, scald is simulated by utilizing the hot air, the flow rate of the hot air is controlled by controlling the rotating speed of the fan, the scald control degree is achieved, the controllability is poor, the burn time and the burn depth are not easy to control, the requirement for manufacturing a standard experimental animal scald model cannot be met, water in the water outlet tank is guided to the atomizer 62 through the cotton core 65, water mist is generated by means of the atomizer 62, the fan blade 4 is driven by the motor 3 to rotate inside the air duct 1 to generate the air flow, the water mist is sprayed out of the air duct 1 through the electric heating wire 5 by virtue of the air flow, steam scald is simulated, the air outlet pipe 72 is covered at a place where scald is simulated, so as to achieve the scald control range, the, the handle 9 is fixed on the surface of the connecting ring 8, so that the whole device is taken by the handle 9.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a hot-blast formula scald experimental apparatus, includes guide duct (1), its characterized in that: the improved air-guiding structure is characterized in that a mounting frame (2) is fixedly connected to the position, close to one end, of the surface of the air-guiding pipe (1), the mounting frame (2) is fixedly connected with the position, through a bolt, of the air-guiding pipe (1), the inside of the mounting frame (2) is fixedly connected with a motor (3), an output rotating shaft of the motor (3) is located inside the air-guiding pipe (1), the output rotating shaft of the motor (3) is located inside fan blades (4) of the air-guiding pipe (1), electric heating wires (5) are fixedly connected to the inner wall of the air-guiding pipe (1), and an atomizing device (6) is communicated with the.

2. The hot air type scalding test instrument according to claim 1, wherein: atomizing device (6) are including leading water bucket (61), the macrostoma end and guide duct (1) of leading water bucket (61) are linked together, the inner wall threaded connection of the macrostoma end of leading water bucket (61) has water storage tank (63), water storage tank (63) port inner wall joint has chock (64), the vertical interpolation of inner wall of chock (64) is equipped with cotton core (65), the inside of water storage tank (63) has water, the one end of cotton core (65) is located under the surface of water, the other end intercommunication of cotton core (65) has atomizer (62), atomizer (62) are located the inside of guide duct (1).

3. The hot air type scalding test instrument according to claim 1, wherein: the surface of the air guide pipe (1) is sleeved with a connecting ring (8), and the surface of the connecting ring (8) is fixedly connected with a handle (9).

4. The hot air type scalding test instrument according to claim 3, wherein: a bolt is inserted into the connecting ring (8), one end of the bolt is in contact with the air guide pipe (1), and the surface of the connecting ring (8) is in threaded connection with the handle (9).

5. The hot air type scalding test instrument according to claim 1, wherein: the other end of the air guide pipe (1) is provided with an air outlet device (7), and the air outlet device (7) is communicated with the air guide pipe (1).

6. The hot air type scalding test instrument according to claim 5, wherein: the air outlet device (7) comprises a connecting pipe (71), the surface of the connecting pipe (71) is in threaded connection with the inner wall of the air guide pipe (1), one end, far away from the air guide pipe (1), of the connecting pipe (71) is communicated with an air outlet pipe (72), and air outlet grooves (73) are uniformly formed in one end, far away from the air guide pipe (1), of the air outlet pipe (72).