CN219879945U

CN219879945U - High-temperature aging test box with thermal circulation device

Info

Publication number: CN219879945U
Application number: CN202320798760.6U
Authority: CN
Inventors: 唐雄华; 宋薇薇
Original assignee: Heding Tianjin Industrial Technology Co ltd
Current assignee: Heding Tianjin Industrial Technology Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-10-24
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses a high-temperature aging test box with a thermal circulation device, which comprises a test box body, wherein a disassembly and assembly component is arranged on the right side of the test box body, a limit component is arranged on the right side of the disassembly and assembly component, a mounting plate is arranged on the side wall of the limit component, a first box body is fixedly arranged on the right side of the mounting plate, a second box body is fixedly arranged on the right side of the first box body, a filtering component is arranged on the right side of the second box body, and a first air duct extending into the test box body is arranged on the left side of the mounting plate.

Description

High-temperature aging test box with thermal circulation device

Technical Field

The utility model relates to the technical field of auxiliary equipment of high-temperature aging test boxes, in particular to a high-temperature aging test box with a thermal circulation device.

Background

The high-temperature thermal aging test box is used for testing wires, cables, insulators or coated rubber test pieces so as to compare the tensile strength and the elongation of the test pieces before aging with those of the test pieces after aging, the ventilation type aging test box promotes the test pieces to age in a hot air circulation mode, the inner box has strong tightness, an air device for replacing the inner box is provided, and an over-temperature automatic cutting protection device is arranged to meet the test requirements of ul-1581.

The application number 201921292259.2 discloses a high-temperature aging test box with a thermal cycling device, and the beneficial effects are recorded; through the cooperation of circulating fan, heating device and gas pocket for the hot air can circulate between air cavity and box inner chamber, can provide even temperature environment, has promoted the accuracy of ageing test result, but it sets up electric heating pipe in high temperature ageing test box, and electric heating pipe produces a large amount of heats when the heating, and heat is through high temperature ageing test box transmission to high temperature ageing test box, leads to high temperature ageing test box internal heat uneven, thereby influences the accuracy of test, exists certain not enoughly, for solving above-mentioned problem, proposes a high temperature ageing test box with heat cycle device.

Disclosure of Invention

The utility model provides a high-temperature aging test box with a thermal circulation device, which comprises a test box body, wherein a disassembly and assembly component is arranged on the right side of the test box body, a limit component is arranged on the right side of the disassembly and assembly component, a mounting plate is arranged on the side wall of the limit component, a first box body is fixedly arranged on the right side of the mounting plate, a second box body is fixedly arranged on the right side of the first box body, a filtering component is arranged on the right side of the second box body, a first air duct extending into the test box body is arranged on the left side of the mounting plate, a circulation component is arranged on the left side of the test box body, and an electric heating pipe and an electric fan are respectively arranged in the first box body and the second box body;

the limiting assembly comprises a threaded rod, a first nut, a second nut and a connecting block, wherein the threaded rod is distributed in an annular array, the first nut and the second nut are arranged on the side wall of the threaded rod in an annular array mode, the inner wall of the first nut is fixedly connected with the side wall of the threaded rod, the inner wall of the second nut is in threaded connection with the side wall of the threaded rod, the connecting block is fixedly arranged on the side wall of the mounting plate in an annular array mode, and the connecting block is respectively sleeved on the side wall of the threaded rod.

Preferably, the dismouting subassembly includes mount pad, screw and bolt, and the mount pad is annular array fixed to be established on the right side of test box body, the right side at the mount pad is established to the threaded rod cover respectively, and the screw is annular array and offers the lateral wall at the mount pad respectively, and the screw all runs through the threaded rod and extends to the opposite side inner wall of mount pad, and the bolt is annular array setting in the screw, and the lateral wall of bolt and the inner wall threaded connection of screw.

Preferably, a groove sleeved with a threaded rod is formed in the right side of the mounting seat.

Preferably, the circulation assembly comprises a second air guide pipe and a third air guide pipe, the air inlet end of the second air guide pipe extends into the test box body, the air outlet end of the second air guide pipe is connected with the air inlet end of the third air guide pipe, the air outlet end of the third air guide pipe extends into the first air guide pipe, an electric valve is arranged at the top of the outer wall of the second air guide pipe, and the electric valve is connected with the controller through a wire.

Preferably, the filter component comprises a filter screen, an activated carbon plate and a third box body, wherein the filter screen and the activated carbon plate are fixedly arranged in the third box body, the filter screen is positioned on the right side of the activated carbon plate, the left side of the third box body is in an opening-shaped design, and the inner side wall of the third box body is in threaded connection with the outer side wall of the second box body.

Preferably, one end of the first air duct, which is far away from the test box body, penetrates through the mounting plate and extends into the first box body, the left side of the second box body is in a grid-shaped design, and the right sides of the first box body and the second box body are both in an opening-shaped design.

Preferably, a temperature sensor is arranged on the inner wall of the top of the test box body, and the temperature sensor, the electric heating pipe and the electric fan are all connected with the controller through wires.

Preferably, the outer wall of the first air duct is sleeved with a heat insulation sleeve, and the outer wall of the heat insulation sleeve is fixedly connected with the right side of the test box body.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial technical effects:

1. the device is convenient for be non-contact with the test box with the first box of installation electric heating pipe through spacing subassembly to avoid the heat that electric heating pipe produced to transmit to the test box originally internally through first box, avoid consequently causing the inhomogeneous situation of this internal temperature of test box, prevent consequently influencing the precision of test, be convenient for dismantle electric heating pipe and electric fan etc. from the test box body through dismouting subassembly, be convenient for maintain and change etc. it, make things convenient for later use.

2. The device filters and adsorbs the air before getting into the fan through filter unit's filter screen and active carbon plate, removes dust and tiny impurity in this air, avoids the dust to get into the test box originally internally, places consequently to influence the test, and avoids moisture in the outside air to get into first box and electric heating pipe contact, avoids influencing long-term use, improves the result of use.

3. The device blows the diffusion through electric fan through the heat that electric heating pipe produced to in the first air duct gets into the test box body, in the steam gets into the first air duct again through second air duct, third air duct after getting into the test box body, in the test box body is got into again through electric fan's blowing, thereby to this internal hot air circulation of realization of test box, be favorable to improving the precision of test.

Drawings

Fig. 1 is a schematic diagram of the overall front view structure of a high temperature aging test box with a thermal cycle device according to the present utility model.

Fig. 2 is a schematic diagram of an overall explosion structure of a high-temperature aging test box with a thermal cycle device according to the present utility model.

Fig. 3 is a schematic diagram of the overall back view structure of a high-temperature aging test box with a thermal cycle device according to the present utility model.

Fig. 4 is a schematic diagram of an overall explosion back view structure of a high-temperature aging test box with a thermal cycle device according to the present utility model.

Reference numerals; 1. a test box body; 2. a temperature sensor; 3. a heat insulating sleeve; 4. a first case; 5. a second case; 6. a filter assembly; 601. a third case; 602. a filter screen; 603. an activated carbon plate; 7. a mounting plate; 8. a first air duct; 9. a limit component; 901. a threaded rod; 902. a first nut; 903. a second nut; 904. a connecting block; 10. disassembling and assembling the assembly; 1001. a bolt; 1002. a screw hole; 1003. a mounting base; 11. an electric fan; 12. an electric heating tube; 13. a circulation assembly; 1301. a second air duct; 1302. and a third air duct.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

As shown in fig. 1, 2 and 3, the high-temperature aging test box with the thermal circulation device provided by the utility model comprises a test box body 1, wherein the right side of the test box body 1 is provided with a disassembly and assembly component 10, the right side of the disassembly and assembly component 10 is provided with a limit component 9, the first box body 4 provided with an electric heating pipe 12 is not contacted with the test box through the limit component 9, thereby avoiding the heat generated by the electric heating pipe 12 from being transmitted into the test box body 1 through the first box body 4, avoiding the condition of uneven temperature in the test box body 1, preventing the testing accuracy from being influenced, facilitating the disassembly and assembly component 10 to detach the electric heating pipe 12, the electric fan 11 and the like from the test box body 1, facilitating the maintenance and the replacement of the electric heating pipe, facilitating the later use, the side wall of the limit component 9 is provided with a mounting plate 7, the fixed first box 4 that is equipped with in the right side of mounting panel 7, the fixed second box 5 that is equipped with in the right side of first box 4, the right side of second box 5 is provided with filter unit 6, filter and adsorb the air before getting into the fan through filter unit 6's filter screen 602 and activated carbon plate 603, dust and tiny impurity in this air are removed, avoid the dust to get into in the test box body 1, place and consequently influence the test, and avoid moisture in the outside air to get into first box 4 and electric heating pipe 12 contact, avoid influencing long-term use, improve the result of use, the left side of mounting panel 7 is provided with the first air duct 8 that extends to in the test box body 1, the left side of test box body 1 is provided with circulating assembly 13, the inside of first box 4 and second box 5 is provided with electric heating pipe 12 and electric fan 11 respectively.

Further, the one end that test box body 1 was kept away from to first air duct 8 runs through mounting panel 7 and extends to in the first box 4, and the left side of second box 5 is latticed design, and the air guide of being convenient for, the right side of first box 4 and second box 5 all is the open-ended design.

Further, the outer wall cover of first air duct 8 is equipped with insulating tube 3, and insulating tube 3's outer wall and the right side fixed connection of test box body 1 are favorable to thermal-insulated.

As shown in fig. 2 and 4, the limiting component 9 includes a threaded rod 901, a first nut 902, a second nut 903 and a connecting block 904, the threaded rod 901 is arranged in an annular array, the first nut 902 and the second nut 903 are all arranged on the side wall of the threaded rod 901 in an annular array, the inner wall of the first nut 902 is fixedly connected with the side wall of the threaded rod 901, the inner wall of the second nut 903 is in threaded connection with the side wall of the threaded rod 901, the connecting block 904 is fixedly arranged on the side wall of the mounting plate 7 in an annular array, and the connecting blocks 904 are respectively sleeved on the side wall of the threaded rod 901.

In specific implementation, the mounting plate 7 is sleeved on the side wall of the threaded rod 901 through the connecting block 904, then the second nut 903 is screwed on the side wall of the threaded rod 901, and the second nut 903 is screwed, so that the second nut 903 and the first nut 902 press the connecting block 904, further the mounting plate 7 is fixed, and the mounting plate 7 is not in contact with the test box body 1.

As shown in fig. 2 and 4, the dismounting assembly 10 includes a mounting base 1003, screw holes 1002 and bolts 1001, the mounting base 1003 is fixedly arranged on the right side of the test box body 1 in an annular array, the threaded rods 901 are respectively sleeved on the right side of the mounting base 1003, the screw holes 1002 are respectively arranged on the outer side walls of the mounting base 1003 in an annular array, the screw holes 1002 penetrate through the threaded rods 901 and extend to the inner walls of the other sides of the mounting base 1003, the bolts 1001 are arranged in the screw holes 1002 in an annular array, and the side walls of the bolts 1001 are in threaded connection with the inner walls of the screw holes 1002.

In the specific embodiment, the bolts 1001 are turned to disengage the bolts 1001 from the screw holes 1002, and then the threaded rods 901 are pulled out, whereby the mounting plate 7 and the first casing 4 and the like are detached.

Further, a groove for sleeving the threaded rod 901 is formed in the right side of the mounting base 1003, so that the threaded rod 901 can be conveniently mounted.

As shown in fig. 2 and 3, the circulation assembly 13 includes a second air guide pipe 1301 and a third air guide pipe 1302, an air inlet end of the second air guide pipe 1301 extends into the test box body 1, an air outlet end of the second air guide pipe 1301 is connected with an air inlet end of the third air guide pipe 1302, an air outlet end of the third air guide pipe 1302 extends into the first air guide pipe 8, and an electric valve is arranged at the top of the outer wall of the second air guide pipe 1301 and is connected with the controller through a wire.

In specific implementation, the heat generated by the electric heating pipe 12 is blown and diffused by the electric fan 11 and enters the test box body 1 along the first air guide pipe 8, and the hot air enters the test box body 1 and then enters the first air guide pipe 8 again through the second air guide pipe 1301 and the third air guide pipe 1302, and then enters the test box body 1 again through the blowing of the electric fan 11, so that the hot air circulation in the test box body 1 is realized.

As shown in fig. 2 and 4, the filter assembly 6 includes a filter screen 602, an activated carbon plate 603 and a third box 601, where the filter screen 602 and the activated carbon plate 603 are both fixedly disposed inside the third box 601, and the filter screen 602 is located on the right side of the activated carbon plate 603, and the left side of the third box 601 is designed in an opening shape, and the inner side wall of the third box 601 is in threaded connection with the outer side wall of the second box 5.

In the specific implementation, the outside air enters the fan through the filtering component 6, so that the air before entering the fan is filtered and adsorbed through the filter screen 602 and the activated carbon plate 603 of the filtering component 6, and the outside wall of the second box 5 is in threaded connection with the inside wall of the third box 601, so that the air is convenient to detach.

As shown in fig. 1, the inner wall of the top of the test box body 1 is provided with a temperature sensor 2, and the temperature sensor 2, the electric heating pipe 12 and the electric fan 11 are all connected with a controller through wires.

In specific implementation, the temperature sensor 2 monitors the temperature in the test box body 1 and transmits the monitored temperature to the controller, and the controller controls the heat generation condition of the electric heating pipe 12 according to the information monitored by the temperature sensor 2, so that the temperature can be conveniently and timely adjusted.

According to the utility model, the test box body 1 is a high-temperature aging test box, when the test box is used, the electric heating pipe 12 and the electric fan 11 are started through the controller, heat generated by the electric heating pipe 12 is blown and diffused through the electric fan 11 and enters the test box body 1 along the first air guide pipe 8, hot air enters the test box body 1 and then enters the first air guide pipe 8 again through the second air guide pipe 1301 and the third air guide pipe 1302, and then enters the test box body 1 again through the blowing of the electric fan 11, so that hot air circulation is realized in the test box body 1, the test accuracy is improved, and when the electric fan 11 blows, external air enters the fan through the filter screen 602 and the active carbon plate 603 of the filter assembly 6, so that dust and tiny impurities in the air are removed, the dust is prevented from entering the test box body 1, the test is prevented from being influenced by placing, the moisture in the external air is prevented from entering the first box body 4 and the electric heating pipe 12, the long-term use is prevented from being influenced, the use is improved, the temperature of the electric heating pipe 12 is prevented from being influenced by the temperature-limiting assembly 9, the electric heating pipe 12 is prevented from being dismounted from being conveniently, the test box body is prevented from being dismounted from being contacted with the test box body 1, the test box body 1 is prevented from being influenced by the temperature assembly 1, the temperature assembly is prevented from being dismounted, the test box is convenient to be replaced, and the test box is easy to be convenient to be mounted and the test box is easy, and the test box is easy to be mounted and the is easy to be mounted and to be easily to be mounted and dismounted.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims

1. The utility model provides a high temperature aging test box with heat cycle device, includes test box body (1), its characterized in that, the right side of test box body (1) is provided with dismouting subassembly (10), the right side of dismouting subassembly (10) is provided with spacing subassembly (9), the lateral wall of spacing subassembly (9) is provided with mounting panel (7), the fixed first box (4) that are equipped with in right side of mounting panel (7), the fixed second box (5) that are equipped with in right side of first box (4), the right side of second box (5) is provided with filter unit (6), the left side of mounting panel (7) is provided with first air duct (8) that extend to in test box body (1), the left side of test box body (1) is provided with circulation subassembly (13), the inside of first box (4) and second box (5) is provided with electric heating pipe (12) and electric fan (11) respectively;

spacing subassembly (9) are including threaded rod (901), first nut (902), second nut (903) and connecting block (904), threaded rod (901) are annular array and arrange, first nut (902) and second nut (903) are annular array and set up the lateral wall at threaded rod (901), and the lateral wall fixed connection of the inner wall of first nut (902) and threaded rod (901), the lateral wall threaded connection of the inner wall of second nut (903) and threaded rod (901), connecting block (904) are annular array and fixedly establish the lateral wall at mounting panel (7), and connecting block (904) overlap respectively and establish the lateral wall at threaded rod (901).

2. The high-temperature aging test box with the thermal cycle device according to claim 1, wherein the dismounting assembly (10) comprises a mounting seat (1003), screw holes (1002) and bolts (1001), the mounting seat (1003) is fixedly arranged on the right side of the test box body (1) in an annular array, the threaded rods (901) are respectively sleeved on the right side of the mounting seat (1003), the screw holes (1002) are respectively arranged on the outer side walls of the mounting seat (1003) in an annular array, the screw holes (1002) penetrate through the threaded rods (901) and extend to the inner walls of the other sides of the mounting seat (1003), the bolts (1001) are arranged in the screw holes (1002) in an annular array, and the side walls of the bolts (1001) are in threaded connection with the inner walls of the screw holes (1002).

3. The high-temperature aging test box with the thermal cycle device according to claim 2, wherein the right side of the mounting base (1003) is provided with a groove sleeved with a threaded rod (901).

4. The high-temperature aging test box with the thermal circulation device according to claim 1, wherein the circulation assembly (13) comprises a second air guide pipe (1301) and a third air guide pipe (1302), an air inlet end of the second air guide pipe (1301) extends into the test box body (1), an air outlet end of the second air guide pipe (1301) is connected with an air inlet end of the third air guide pipe (1302), an air outlet end of the third air guide pipe (1302) extends into the first air guide pipe (8), and an electric valve is arranged at the top of the outer wall of the second air guide pipe (1301) and is connected with the controller through a wire.

5. The high-temperature aging test box with the thermal cycle device according to claim 1, wherein the filtering component (6) comprises a filter screen (602), an activated carbon plate (603) and a third box body (601), the filter screen (602) and the activated carbon plate (603) are fixedly arranged in the third box body (601), the filter screen (602) is positioned on the right side of the activated carbon plate (603), the left side of the third box body (601) is in an opening-shaped design, and the inner side wall of the third box body (601) is in threaded connection with the outer side wall of the second box body (5).

6. The high-temperature aging test box with the thermal cycle device according to claim 1, wherein one end of the first air duct (8) far away from the test box body (1) penetrates through the mounting plate (7) and extends into the first box body (4), the left side of the second box body (5) is in a grid-shaped design, and the right sides of the first box body (4) and the second box body (5) are both in an opening-shaped design.

7. The high-temperature aging test box with the thermal circulation device according to claim 1, wherein a temperature sensor (2) is arranged on the inner wall of the top of the test box body (1), and the temperature sensor (2), the electric heating pipe (12) and the electric fan (11) are all connected with a controller through wires.

8. The high-temperature aging test box with the thermal circulation device according to claim 1, wherein the outer wall of the first air duct (8) is sleeved with a heat insulation sleeve (3), and the outer wall of the heat insulation sleeve (3) is fixedly connected with the right side of the test box body (1).