CN211133979U

CN211133979U - Hot air aging test box

Info

Publication number: CN211133979U
Application number: CN201921874899.4U
Authority: CN
Inventors: 吴华榜; 吴华立; 李顺訄
Original assignee: Hangzhou Aoke Environmental Test Equipment Ltd
Current assignee: Hangzhou Aoke Environmental Test Equipment Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-07-31
Anticipated expiration: 2029-11-01

Abstract

The application discloses a hot air aging test box, which comprises a box body, wherein the box body comprises a working chamber, a circulating heating module is arranged on one side of the working chamber, the lower part of the circulating heating module is provided with an air inlet communicated with the working chamber, the upper part of the circulating heating module is provided with an air outlet communicated with the working chamber, the circulating heating module comprises a heater, a stirring fan positioned above the heater and an air fork arranged below the heater, the lower part of the air fork is connected with a pump through a pipeline, and a first control valve and a flow meter are arranged on the pipeline from bottom to top; the box body also comprises a natural wind air inlet and a natural wind air outlet, and second control valves are respectively arranged at the natural wind air inlet and the natural wind air outlet. The hot air aging test box has two working modes, namely a natural ventilation mode and a forced ventilation mode.

Description

Hot air aging test box

Technical Field

The utility model relates to a test equipment field, concretely relates to hot-air aging test case.

Background

Patent document with publication number CN201795983U discloses a ventilation type aging test chamber, the top of which is provided with a blower fan, the front side of which is provided with an open-close type chamber door, the right side of the chamber door is provided with a control area, the bottom of the test chamber is provided with universal casters, the test chamber body is of a double-layer structure, the test chamber is internally provided with a working chamber, a heating component and an electrical component, the working chamber is located at the rear part of the chamber door, the heating component is arranged at the rear part of the working chamber, and the electrical component is located at the rear part of the.

The existing hot air aging test box can not carry out forced ventilation and has a single working mode.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, overcome not enough, provide a hot-air aging test case.

The utility model adopts the following technical scheme: the circulating heating device comprises a box body, wherein a working chamber is arranged in the box body, and the circulating heating device is characterized in that a circulating heating module is arranged on one side of the working chamber, the lower part of the circulating heating module is provided with an air inlet communicated with the working chamber, the upper part of the circulating heating module is provided with an air outlet communicated with the working chamber, the circulating heating module comprises a heater, a stirring fan positioned above the heater and an air fork arranged below the heater, the lower part of the air fork is connected with a pump through a pipeline, and a first control valve and a flow meter are arranged on the pipeline from bottom to top; the box body also comprises a natural wind air inlet and a natural wind air outlet, and second control valves are respectively arranged at the natural wind air inlet and the natural wind air outlet.

Furthermore, the natural wind air inlet is located at the lower end of the working chamber and is far away from the air inlet, and the natural wind air outlet is located at the upper end of the working chamber and is close to the air outlet.

Further, the first control valve is a manual valve; the second control valve is an electromagnetic valve or a manual valve.

Furthermore, the bottom transverse two sides of a positive baffle plate which is formed by surrounding the back side of the working chamber and is used for installing the circulating heating module and corresponds to the box door are in sliding fit with first sliding rails arranged on the transverse two sides of the bottom of the working chamber, and the top transverse two sides of the louver positioned at the upper end of the positive baffle plate are in sliding fit with second sliding rails arranged on the transverse two sides of the top of the working chamber.

Further, the gas fork includes the cavity body, is provided with a plurality of through-holes on the cavity body, and the pump is used for impressing the gas in the cavity body and upwards discharges from the through-hole.

Further, the temperature sensor is positioned in the working chamber.

Further, the heating device also comprises a controller which is electrically connected with the temperature sensor and the circulating heating module.

Further, still including installing the tripe in air outlet department, the flabellum of stirring fan is located air outlet side, and the tripe includes the framework and rotates the blade of installing in the framework, and the framework sets up to studio one side slope.

Further, the shutter is an electrically controlled shutter.

Compared with the prior art, the hot air aging test box has the advantages that:

1. the hot air aging test box has two working modes, namely a natural ventilation mode and a forced ventilation mode. And when in a natural ventilation mode, the second control valve of the natural wind inlet and the second control valve of the natural wind outlet are opened, and the air in the working chamber is naturally ventilated by utilizing the natural wind inlet and the natural wind outlet, so that the effect of simulating a natural ventilation environment is realized. In the forced ventilation mode, the second control valve of the natural wind inlet is closed, the second control valve of the natural wind outlet is opened, the pump is opened, the first control valve is opened, the opening degree of the first control valve is adjusted, and the reading of the flow meter is in the range required by the test, so that the gas from the working chamber can relatively uniformly pass through the heater after passing through the gas fork under the action of the pump, and the gas can obtain uniform temperature;

2. the arrangement that the positive partition plate and the shutter can move back and forth along the working chamber is favorable for reducing the area for placing the test piece in the working chamber according to the requirement, so that the energy consumption is saved by reducing the space for placing the test piece in the working chamber for the test piece with small volume.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a hot air aging test chamber of the present invention;

FIG. 2 is a schematic view of a louver;

FIG. 3 is a schematic diagram of a pump, a first control valve, a flow meter, and a gas fork.

Fig. 4 is a schematic view of the positive partition and the louver in the working chamber respectively movably matched with the first slide rail and the second slide rail.

The figures are numbered:

1. a box body; 2. a working chamber; 3. circulating the heating module; 4. an air inlet; 5. an air outlet; 6. a heater; 7. a stirring fan; 8. a fan blade; 9. louver blades; 10. a frame body; 11. a blade; 12. a gas fork; 13. a pump; 14. a first control valve; 15. a flow meter; 16. a natural wind inlet; 17. a natural wind outlet; 18. a second control valve; 19. a hollow body; 20. a through hole; 21. a temperature sensor; 22. a positive separator plate; 23. a first slide rail; 24. a second slide rail.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

As shown in fig. 1, 2 and 3, the hot air aging test chamber comprises a chamber 1, the chamber 1 comprises a working chamber 2, the chamber 1 is provided with a circulating heating module 3 at one side of the working chamber 2, the lower part of the circulating heating module 3 is provided with an air inlet 4 communicated with the working chamber 2, the upper part of the circulating heating module 3 is provided with an air outlet 5 communicated with the working chamber 2, the circulating heating module 3 comprises a heater 6, a stirring fan 7 positioned above the heater 6 and an air fork 12 arranged below the heater 6, the lower part of the air fork 12 is connected with a pump 13 through a pipeline, and a first control valve 14 and a flow meter 15 are arranged on the pipeline from bottom to top; the box body 1 further comprises a natural wind inlet 16 and a natural wind outlet 17, and second control valves 18 are mounted at the natural wind inlet 16 and the natural wind outlet 17.

As shown in fig. 1, in the present embodiment, the natural wind inlet 16 is located at the lower end of the working chamber 2 and is far away from the wind inlet 4, and the natural wind outlet 17 is located at the upper end of the working chamber 2 and is close to the wind outlet 5.

In the present embodiment, the first control valve 14 is a manual valve, and the second control valve 18 is a solenoid valve or a manual valve.

As shown in fig. 3, in the present embodiment, the gas fork 12 includes a hollow body 19, the hollow body 19 is provided with a plurality of through holes 20, and the pump 13 is used for pressing gas into the hollow body 19 and discharging the gas upward from the through holes 20.

As shown in fig. 4, the bottom lateral sides of the front partition plate 22 formed around the back side of the working chamber 2 and corresponding to the door for mounting the circulating heating module 4 are slidably engaged with the first slide rails 23 provided on the bottom lateral sides of the working chamber 2, and the top lateral sides of the louvers 9 provided on the upper end of the front partition plate 22 are slidably engaged with the second slide rails 24 provided on the top lateral sides of the working chamber 2.

As shown in fig. 1, in the present embodiment, a controller (not shown) and a temperature sensor 21 located in the working chamber 2 are further included. The controller is electrically connected to the temperature sensor 21 and the circulating heating module 3.

As shown in fig. 1, the present embodiment further includes a louver 9 installed at the air outlet 5, the fan blade 8 of the stirring fan 7 is located at the air outlet 5 side, the louver 9 includes a frame 10 and a blade 11 rotatably installed on the frame 10, and the frame 10 is disposed to be inclined toward the working chamber 2 side. In practical use, the louver 9 can be a manual louver 9 or an electric control louver 9.

When the air circulation heating device works, air in the working chamber 2 enters the circulation heating module 3 through the air inlet 4, is heated by the heater 6 and then enters the upper part of the circulation heating module 3, and then enters the working chamber 2 from the louver 9 of the air outlet 5 under the driving of the fan blades 8 of the stirring fan 7. Air outlet 5 department is provided with the tripe 9 that the slope set up, can effectively increase the area of air outlet 5 through the form of this kind of slope, and tripe 9 is including rotating the blade 11 of installing on framework 10, can effectual change the direction of air-out through rotating blade 11 (in figure 1, blade 11 that the dotted line shows the position of adjusting according to the wind direction requirement) to the degree of consistency of temperature in the effectual improvement studio 2 prevents the temperature dead angle.

The hot air aging test box has two working modes, namely a natural ventilation mode and a forced ventilation mode. In the natural ventilation mode, the second control valve 18 of the natural wind inlet 16 and the second control valve 18 of the natural wind outlet 17 are opened, and the air inside the working chamber 2 is naturally ventilated by using the natural wind inlet and the natural wind outlet, so that the effect of simulating a natural ventilation environment is realized. In the forced ventilation mode, the second control valve 18 of the natural wind inlet 16 is closed, the second control valve 18 of the natural wind outlet 17 is opened, the pump 13 is opened, the first control valve 14 is opened, the opening degree of the first control valve 14 is adjusted, and the reading of the flow meter 15 is in the range required by the test, so that the gas from the working chamber 2 can relatively uniformly pass through the heater 6 after passing through the gas fork 12 under the action of the pump 13, and the gas can obtain uniform temperature.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms 1 box, 2 working chambers, 3 circulating heating modules, 4 air inlets, 5 air outlets, 6 heaters, 7 stirring fans, 8 fan blades, 9 shutters, 10 frame bodies, 11 blades, 12 air forks, 13 pumps, 14 first control valves, 15 flow meters, 16 natural air inlets, 17 natural air outlets, 18 second control valves, 19 hollow bodies, 20 through holes, 21 temperature sensors, 22 positive partition plates, 23 first slide rails, 24 second slide rails and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A hot air aging test box comprises a box body, wherein a working chamber is arranged in the box body, and the hot air aging test box is characterized in that a circulating heating module is arranged on one side of the working chamber, the lower part of the circulating heating module is provided with an air inlet communicated with the working chamber, the upper part of the circulating heating module is provided with an air outlet communicated with the working chamber, the circulating heating module comprises a heater, a stirring fan positioned above the heater and an air fork arranged below the heater, the lower part of the air fork is connected with a pump through a pipeline, and a first control valve and a flow meter are arranged on the pipeline from bottom to top; the box body also comprises a natural wind air inlet and a natural wind air outlet, and second control valves are respectively arranged at the natural wind air inlet and the natural wind air outlet.

2. The hot air aging test chamber as claimed in claim 1, wherein the natural wind inlet port is located at a lower end of the working chamber and is far from the wind inlet port, and the natural wind outlet port is located at an upper end of the working chamber and is close to the wind outlet port.

3. The hot air weathering test chamber of claim 1, wherein the first control valve is a manual valve; the second control valve is an electromagnetic valve or a manual valve.

4. The hot air aging test chamber as claimed in claim 1, wherein the bottom lateral sides of a positive baffle plate formed around the back side of the working chamber for mounting the circulating heating module and disposed corresponding to the chamber door are slidably engaged with first slide rails disposed on the lateral sides of the bottom of the working chamber, and the top lateral sides of the louvers located on the upper end of the positive baffle plate are slidably engaged with second slide rails disposed on the lateral sides of the top of the working chamber.

5. The hot-air aging test chamber as claimed in claim 1, wherein the air fork includes a hollow body provided with a plurality of through-holes, and a pump for pressing the air into the hollow body and discharging the air upward from the through-holes.

6. The hot air weathering test chamber of claim 1, further including a temperature sensor located within the working chamber.

7. The hot air weathering test chamber of claim 6, further comprising a controller electrically connected to the temperature sensor and the circulating heating module.

8. The hot air aging test chamber as claimed in claim 1, further comprising a louver installed at the air outlet, wherein the fan blades of the agitator fan are located at the air outlet side, the louver includes a frame body and blades rotatably installed on the frame body, and the frame body is disposed to be inclined toward the working chamber side.

9. The hot air weathering test chamber of claim 8, wherein the louvers are electrically controlled louvers.