CN211119979U - Heating box - Google Patents

Abstract

The utility model relates to an aging testing equipment technical field discloses a heating cabinet. The heating box comprises a box body, a heater, a temperature sensor and a fan. The internal space of the box body is divided into a plurality of virtual heating areas, a plurality of air channels are arranged on the box wall of the box body, and the air channels and the heating areas are arranged in a one-to-one correspondence mode. And a heater is arranged in each air channel. A temperature sensor is disposed in each heating zone. The fan is arranged in the air duct, so that the air heated by the heater forms hot air, and the hot air flows into the heating area through the air duct. The heating box provided by the utility model divides the internal space of the box body into a plurality of virtual heating areas, and can separately regulate and control the temperature of each heating area, thereby being beneficial to improving the uniformity of the temperature in the box body; meanwhile, by dividing the virtual heating area, the internal space of the box body can be prevented from being divided by using the solid partition plate, so that the reduction of heat loss is facilitated, and the heating efficiency is improved.

Description

Heating box

Technical Field

The utility model relates to an aging testing equipment technical field especially relates to a heating cabinet.

Background

When a product is subjected to aging test, the product is generally heated by using a heating box. However, the conventional heating box can only integrally regulate and control the internal temperature of the heating box, and cannot locally regulate and control the internal temperature of the heating box, so that the uniformity of the internal temperature of the heating box is poor, and the accuracy of a test result is reduced.

Therefore, a new heating box is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heating cabinet, it compares with prior art, can carry out regulation and control accurately to its inside temperature, improves the accuracy of ageing tests result.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a heating cabinet comprising:

the device comprises a box body, a plurality of air ducts and a plurality of heating units, wherein the inner space of the box body is divided into a plurality of virtual heating areas, a plurality of independent air ducts are arranged on the box wall of the box body, and the air ducts and the heating areas are arranged in a one-to-one correspondence manner;

the heater is arranged in each air channel;

the temperature sensor is arranged in each heating area;

and the fan is arranged in the air duct, so that the air heated by the heater forms hot air, and the hot air flows into the heating area through the air duct.

Furthermore, the air duct box further comprises a partition plate, the box body comprises an outer shell and an inner shell, the outer shell covers the outer portion of the inner shell, and the partition plates are arranged between the outer shell and the inner shell to form the air duct.

Furthermore, the heater with the fan all sets up the top of box, and a plurality of the heater is located respectively the both sides of fan, the wind channel by the top of box extends to the lateral part of box, be provided with the fresh air inlet on the lateral wall of inner shell, the fresh air inlet with the heating region intercommunication.

Furthermore, the number of the heating areas and the number of the heaters are four and are arranged in a one-to-one correspondence manner, the number of the fans is two, the two fans are arranged in the width direction of the box body, and two heaters are respectively arranged on two sides of each fan.

The heater is characterized by further comprising a fan cover, wherein the fan cover covers the fan, openings are formed in two sides of the fan cover, and the openings face the heater on the same side.

Furthermore, the top of the inner shell is provided with an air suction opening which is communicated with the heating area so that the hot air in the heating area flows back to the fan.

Furthermore, the air inlet device also comprises an air adjusting plate, and the air adjusting plate can seal or expose the air inlet hole.

Furthermore, the air adjusting plate is provided with air adjusting holes, and the air adjusting plate can be rotatably or movably arranged on the inner shell so as to enable the air adjusting holes to be communicated with or disconnected from the air inlet holes.

Further, a tray is arranged in the box body, and vent holes are formed in the tray.

Furthermore, a plurality of the trays are arranged at intervals along the height direction of the box body.

The utility model has the advantages that:

the utility model provides a heating box divides the inner space of box into a plurality of virtual heating regions, through the cooperation of fan, heater and wind channel, can carry hot-blast to each heating region alone to through the monitoring of temperature sensor to each heating region temperature, can distinguish the regulation and control to the temperature of every heating region alone according to the monitoring result, thereby be favorable to improving the homogeneity of the interior temperature of box, guarantee the accuracy of ageing tests result; meanwhile, by dividing the virtual heating area, the internal space of the box body can be prevented from being divided by using a solid partition plate, so that the heat loss can be reduced, and the heating efficiency can be improved; in addition, a plurality of independent air channels are arranged, so that mutual interference among the air channels can be avoided, and the air supply accuracy is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and 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 the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a heating box provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the interior of the heating box according to the embodiment of the present invention;

fig. 3 is a front view of the interior of the heating chamber provided by the embodiment of the present invention;

fig. 4 is a top view of the interior of a heating chamber provided by an embodiment of the present invention;

fig. 5 is a side view of the interior of a heating chamber according to an embodiment of the present invention.

In the figure:

100-heating zone;

1-a box body; 11-an air duct; 12-a housing; 13-inner shell; 131-air inlet holes;

2-a heater;

3-a temperature sensor;

4-a fan;

5-a separator;

6-a fan cover; 61-opening;

7-tray.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only or to distinguish between different structures or components and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, the present embodiment provides a heating box which can be used as a burn-in box for burn-in testing of products. Specifically, the heating box includes a box body 1, a heater 2, a temperature sensor 3, and a fan 4. The internal space of the box body 1 is divided into a plurality of virtual heating areas 100, a plurality of air ducts 11 are arranged on the wall of the box body 1, and the air ducts 11 are arranged in one-to-one correspondence with the heating areas 100. A heater 2 is provided in each air duct 11. A temperature sensor 3 is provided in each heating zone 100. The fan 4 is provided in the air duct 11 to make the air heated by the heater 2 into hot air and to flow the hot air into the heating area 100 through the air duct 11.

According to the heating box provided by the embodiment, the internal space of the box body 1 is divided into the plurality of virtual heating areas 100, hot air can be independently conveyed to each heating area 100 through the cooperation of the fan 4, the heater 2 and the air duct 11, the temperature of each heating area 100 is monitored through the temperature sensor 3, and the temperature of each heating area 100 can be independently and differentially regulated according to a monitoring result, so that the uniformity of the temperature in the box body 1 is favorably improved, and the accuracy of an aging test result is ensured; meanwhile, by dividing the virtual heating area 100, the internal space of the box body 1 can be prevented from being divided by using a solid partition plate, so that the heat loss can be reduced, and the heating efficiency can be improved; in addition, by arranging a plurality of independent air channels 11, mutual interference among the air channels 11 can be avoided, the accuracy of air supply is improved, and the temperature of each heating area 100 can be accurately regulated and controlled.

Alternatively, as shown in fig. 2 and 3, the heaters 2 and the fans 4 are both disposed on the top of the cabinet 1, the heaters 2 are respectively disposed on both sides of the fans 4, the air duct 11 extends from the top of the cabinet 1 to the side of the cabinet 1, and as shown in fig. 5, air inlet holes 131 are disposed on the side wall of the inner casing 13, and the air inlet holes 131 are communicated with the heating area 100. That is, the air ducts 11 are disposed on both sides of the fan 4, and the air of the fan 4 can blow toward the heaters 2 disposed on both sides thereof, so as to form hot air, which flows from the top of the box 1 to the side of the box 1 along the air ducts 11, and then flows into the heating area 100 through the air inlet holes 131. By this arrangement, the number of the fans 4 can be reduced, so that one fan 4 can supply the air source to at least two heaters 2.

Optionally, in this embodiment, the box 1 is a rectangular parallelepiped. Optionally, as shown in fig. 4, in this embodiment, the number of the heating areas 100 and the number of the heaters 2 are four and are arranged in a one-to-one correspondence, the number of the fans 4 is two, the two fans 4 are arranged in an array along the width direction of the box 1, and two sides of each fan 4 are respectively provided with one heater 2. In the present embodiment, the inner space of the cabinet 1 is divided into four heating areas 100, four air ducts 11 are provided between the outer casing 12 and the inner casing 13, and each heating area 100 is provided with a heat source by four heaters 2, and each fan 4 is capable of providing an air source for two heaters 2. Of course, in other embodiments, the numbers of the heating zones 100, the heaters 2 and the fans 4 can be adjusted according to actual needs, and are not limited herein.

Preferably, as shown in fig. 2 and 4, the heating box provided by the present embodiment further includes a partition plate 5, the box body 1 includes an outer shell 12 and an inner shell 13, the outer shell 12 covers the inner shell 13, and a plurality of partition plates 5 are disposed between the outer shell 12 and the inner shell 13 to form the air duct 11. Namely, a plurality of independent air ducts 11 are formed by enclosing the outer shell 12, the inner shell 13 and the partition plates 5. Specifically, in the present embodiment, the partition 5 is provided along the top and side walls of the inner casing 13. Optionally, the partition 5 is a sheet metal part.

Preferably, as shown in fig. 1, in the present embodiment, a tray 7 is provided in the case 1, and the tray 7 is provided with a vent hole 71. When carrying out aging test to the product, can place the product at tray 7, through beginning air vent 71 on tray 7, can be convenient for hot-blast flow, guarantee that each tray 7 can the thermally equivalent. Alternatively, a plurality of trays 7 are arranged at intervals in the height direction of the case 1 so that a plurality of products can be heated and tested at the same time.

Optionally, as shown in fig. 2, the heating box provided in this embodiment further includes a fan cover 6, the fan cover 6 covers the fan 4, openings 61 are provided on both sides of the fan cover 6, and the openings 61 face the heater 2 on the same side. Arranged in this way, the wind blown by the fan 4 can be directed toward the heater 2, so that the flow direction of the wind source can be accurately controlled. Specifically, in the present embodiment, the fan guard 6 has four openings 61.

Preferably, the top of the inner shell 13 is provided with an air suction opening, and the air suction opening is communicated with the heating area 100, so that the hot air in the heating area 100 flows back to the fan 4, thereby realizing the circulation of the hot air. That is, hot air can flow from the top of the box body 1 to the side part of the box body 1, then flow to the heating area 100 in the box body 1, and finally directly flow back to the top of the box body 1 from the heating area 100, and compared with a circulation mode of air inlet at one side and air outlet at the other side, the circulation mode is not influenced by factors such as the length of the heating box, a test product, a loading tray 7 and the like.

Optionally, the heating box provided by this embodiment further includes an air adjusting plate, and the air adjusting plate can block or expose the air inlet hole 131. The amount of hot air entering the heating area 100 from the air inlet holes 131 can be adjusted by controlling the shielding amount of the air adjusting plate to the air inlet holes 131, and then the temperature of the heating area 100 can be adjusted.

Optionally, the air adjusting plate is provided with air adjusting holes, and the air adjusting plate is rotatably or movably disposed on the inner casing 13 to connect or disconnect the air adjusting holes with the air inlet holes 131. Specifically, in the present embodiment, the register plate is rotatably provided on the inner case 13. When the air adjusting holes are completely matched with the air inlet holes 131, the amount of hot air entering the heating area 100 from the air inlet holes 131 is maximum; when the air adjusting holes and the air inlet holes 131 are only partially matched, the amount of hot air entering the heating area 100 from the air inlet holes 131 is relatively reduced; when the air adjusting holes are completely staggered with the air inlet holes 131, the hot air stops entering the heating area 100. Of course, in other embodiments, the air adjusting plate may also be movably disposed on the inner shell 13, and the corresponding area between the air adjusting holes and the air inlet holes 131 is controlled by pushing the air adjusting plate up and down or left and right, so as to control the air inlet amount.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. A heating cabinet, comprising:

the heating device comprises a box body (1), wherein the inner space of the box body is divided into a plurality of virtual heating areas (100), a plurality of independent air channels (11) are arranged on the wall of the box body (1), and the air channels (11) are arranged in one-to-one correspondence with the heating areas (100);

the heaters (2) are arranged in each air channel (11);

temperature sensors (3), each of the heating zones (100) having the temperature sensor (3) disposed therein;

and the fan (4) is arranged in the air duct (11) to enable the air heated by the heater (2) to form hot air, and the hot air flows into the heating area (100) through the air duct (11).

2. A heating cabinet according to claim 1, characterized by further comprising a partition (5), wherein the cabinet (1) comprises an outer shell (12) and an inner shell (13), the outer shell (12) is covered outside the inner shell (13), and a plurality of partitions (5) are arranged between the outer shell (12) and the inner shell (13) to form the air duct (11).

3. The heating cabinet according to claim 2, characterized in that the heaters (2) and the fan (4) are both disposed on the top of the cabinet (1), the heaters (2) are respectively disposed on two sides of the fan (4), the air duct (11) extends from the top of the cabinet (1) to the side of the cabinet (1), air inlet holes (131) are disposed on the side wall of the inner casing (13), and the air inlet holes (131) are communicated with the heating area (100).

4. The heating cabinet according to claim 3, characterized in that the number of the heating zones (100) and the number of the heaters (2) are four and are arranged in a one-to-one correspondence, the number of the fans (4) is two, the two fans (4) are arranged in the width direction of the cabinet (1), and one heater (2) is arranged on each of two sides of each fan (4).

5. A heating cabinet according to claim 2, characterized in that the top of the inner casing (13) is provided with an air suction opening which communicates with the heating area (100) to return the hot air in the heating area (100) to the fan (4).

6. A heating cabinet according to claim 3, characterized by further comprising a fan cover (6), wherein the fan cover (6) covers the fan (4), and openings (61) are arranged on both sides of the fan cover (6), and the openings (61) face the heater (2) on the same side.

7. A heating cabinet according to claim 3, characterized by further comprising an air adjusting plate, wherein the air adjusting plate can block or expose the air inlet holes (131).

8. A heating cabinet according to claim 7, characterized in that the air adjusting plate is provided with air adjusting holes, and the air adjusting plate is rotatably or movably arranged on the inner shell (13) to connect or disconnect the air adjusting holes with the air inlet holes (131).

9. A heating cabinet according to any one of claims 1 to 8, characterized in that a tray (7) is arranged in the cabinet (1), and the tray (7) is provided with ventilation holes (71).

10. A heating cabinet according to claim 9, characterized in that a plurality of the trays (7) are arranged at intervals in the height direction of the cabinet (1).

Images