Dryer

Abstract

The utility model relates to the field of dryers, and particularly discloses a dryer which is characterized in that the horizontal height of an opening of a heat dissipation hole is higher than the surface of an upper cover bottom plate, so that water vapor generated in the drying process of the dryer cannot flow into a circuit chamber through the heat dissipation hole after being liquefied on the surface of the upper cover bottom plate; and the side edge of the upper end cover, corresponding to the air inlet, is also provided with a waterproof brim, so that water vapor liquefied on the surface of the upper end cover can be effectively prevented from flowing into the heat dissipation holes through the air inlet by arranging the waterproof brim, and the waterproof effect of the circuit cavity can be further enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of drier, especially relates to drier. BACKGROUND

[0002] The drier is a machine which uses the suction of the fan to draw the outside cold air into the drier through the air inlet, and then the cold air is changed into dry hot air by heat exchange with the heating plate, so that the moisture of the humid object is evaporated and dried gradually under the action of the dry hot air, because the circuit component is arranged in the drier, the circuit component generates heat which needs to be dissipated when working, so generally the circuit component is provided with a heat dissipation hole, and the drier generates water vapor during the drying process, and the water vapor is easy to flow back into the drier through the heat dissipation hole after being liquefied into liquid, thereby damaging the circuit component.

[0003] The technical problem to be solved by the present application is to design a drier which can avoid liquid flowing into the circuit component to damage the circuit component. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the defects of the prior art, the purpose of the utility model is to provide a drier which can avoid liquid flowing into the circuit component to damage the circuit component.

[0005] The technical scheme adopted by the utility model is: a drier, comprising a main shell, a circuit chamber is arranged in the main shell, a circuit board is arranged in the circuit chamber, an upper cover assembly is arranged at the upper end of the main shell, the upper cover assembly comprises a plurality of heat dissipation holes which are communicated with the circuit chamber, the upper cover assembly comprises an upper cover bottom plate which is connected with the upper end of the main shell, the opening of the heat dissipation hole is higher than the surface of the upper cover bottom plate in horizontal height, the upper cover assembly further comprises an upper end cover which is connected with the upper cover bottom plate, the side of the upper end cover is provided with an air inlet, and the upper end cover is provided with a waterproof eave corresponding to the air inlet.

[0006] In some embodiments, an air inlet chamber is formed between the upper end cover and the upper cover bottom plate, and an air inlet pipeline which is communicated with the air inlet chamber is arranged in the air inlet chamber.

[0007] In some embodiments, the air inlet is arranged on the left side, the right side and the front end of the upper end cover respectively, and the waterproof eave is formed by extending downward from the upper end side of the upper end cover.

[0008] In some embodiments, the air inlet pipeline penetrates the circuit chamber to form an air inlet pipeline, and a fan is arranged in the air inlet pipeline.

[0009] In some embodiments, the upper cover bottom plate is located at the upper end of the circuit chamber, and a high-temperature-resistant plate is arranged at the bottom of the circuit chamber.

[0010] In some embodiments, the upper cover bottom plate is provided with a plurality of heat dissipation columns, and the heat dissipation hole is arranged in the middle of the heat dissipation column.

[0011] In some embodiments, the top end of the heat dissipation column does not contact the upper end cover.

[0012] In some embodiments, the top of the air inlet pipe is also provided with a dust filter screen.

[0013] The utility model discloses have the following technical effects: through the opening level height of heat dissipation hole is set higher than the surface of upper cover bottom plate, like this when the water vapor produced in the process of drying of drying ware liquefies on the surface of upper cover bottom plate also can not flow into the circuit chamber through heat dissipation hole, thereby also can not cause the damage of the circuit component in the circuit chamber, and the side of upper end cover corresponds the air inlet and is also provided with waterproof eave, through being provided with waterproof eave, can effectively avoid the water vapor liquefied on the surface of upper end cover and flow into heat dissipation hole through air inlet, thereby can further strengthen the waterproof effect of circuit chamber. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the structure schematic diagram of drying ware of the utility model;

[0015] Fig. 2 It is the structure schematic diagram of upper cover subassembly of drying ware of the utility model;

[0016] Fig. 3 It is the internal structure schematic diagram of drying ware of the utility model.

[0017] The label and name of figure correspond as follows: 1, main casing;2, circuit chamber;20, circuit board;3, upper cover subassembly;30, heat dissipation hole;31, upper cover bottom plate;32, upper end cover;33, air inlet;34, waterproof eave;4, air inlet chamber;5, air inlet pipe;21, high temperature resistance plate;35, heat dissipation column;50, dust filter screen. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0019] Please refer to Figs. 1-3The utility model provides a technical scheme: a dryer, including main casing 1, being equipped with circuit cavity 2 in main casing 1, circuit cavity 2 is provided with circuit board 20 and other circuit components, wherein main casing 1 upper end is also equipped with upper cover subassembly 3, because circuit board 20 and other circuit components can produce a large amount of heat when working, so upper cover subassembly 3 includes a plurality of heat dissipation hole 30 with circuit cavity 2 intercommunication, the heat generated in the working of circuit board 20 can be dissipated through heat dissipation hole 30, wherein upper cover subassembly 3 also includes the upper cover bottom plate 31 connected with the upper end of main casing 1, and heat dissipation hole 30 is equipped on upper cover bottom plate 31, and the opening horizontal height of heat dissipation hole 30 is higher than the surface of upper cover bottom plate 31, by the opening horizontal height of heat dissipation hole 30 is set higher than the surface of upper cover bottom plate 31, when the water vapor generated in the drying process of dryer liquefies on the surface of upper cover bottom plate 31, also can not flow into circuit cavity 2 through heat dissipation hole 30 to cause damage to circuit board 20, wherein upper cover subassembly 3 also includes the upper end cover 32 connected with upper cover bottom plate 31, and the upper end cover 32 and upper cover bottom plate 31 form an air inlet chamber 4 between, and the air inlet duct 5 in communication with it is equipped in air inlet chamber 4, this air inlet duct 5 is mainly used for the air intake of dryer, and the air inlet 33 is also equipped in the side of upper end cover 32, and the air inlet 33 is respectively equipped in the left and right sides and the front end of upper end cover 32, wherein the side of upper end cover 32 corresponds each air inlet 33 and is equipped with waterproof eave 34, and the waterproof eave 34 is formed by the downward extension of the upper end side of upper end cover 32, and the lower end horizontal height of waterproof eave 34 is lower than the opening horizontal height of heat dissipation hole 30, this can make the water vapor liquefied on the surface of upper end cover 32 flow down along waterproof eave 34, thereby avoiding the water vapor liquefied on the surface of upper end cover 32 to flow into heat dissipation hole 30 through air inlet 33, and then effectively strengthen the waterproof effect of circuit cavity 2.

[0020] Wherein the air inlet duct 5 is formed by a single duct through circuit cavity 2, and a fan is arranged in the air inlet duct 5 for air intake, and the upper cover bottom plate 31 is located at the upper end of the circuit cavity 2, and since the circuit board 20 generates high temperature during working, the bottom of the circuit cavity 2 is made of a high-temperature-resistant plate 21.

[0021] A plurality of heat dissipation columns 35 are arranged on the upper cover bottom plate 31, and the heat dissipation holes 30 are arranged through the heat dissipation columns 35, and the top ends of the heat dissipation columns 35 are not in contact with the upper end surface of the upper end cover 32 after the upper end cover 32 is connected and installed on the upper cover bottom plate 31, so that the hot air in the circuit chamber 2 is discharged through the heat dissipation holes 30, and the hot air is directly absorbed into the dryer through the air inlet pipeline 5, so that the heat dissipation effect of the circuit board 20 is achieved, and the preheating effect of the air inlet of the dryer is achieved, the temperature of the blown hot air is improved, and the power consumption of the fan is saved.

[0022] The working principle of the utility model is: the opening height of the heat dissipation hole 30 is arranged higher than the surface of the upper cover bottom plate 31, so that the water vapor generated during the drying process of the dryer is not flowed into the circuit chamber 2 through the heat dissipation hole 30 after being liquefied on the surface of the upper cover bottom plate 31, so that the circuit components in the circuit chamber 2 are not damaged, and the side of the upper end cover 32 corresponding to the air inlet 33 is provided with a waterproof eave 34, so that the water vapor liquefied on the surface of the upper end cover 32 is prevented from flowing into the heat dissipation hole 30 through the air inlet 33, so that the waterproof effect of the circuit chamber 2 is further improved.

[0023] Finally, it should be pointed out that the above-mentioned is only the preferred example of the utility model and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A dryer, characterized in that, The device includes a main housing, within which a circuit chamber is provided, and a circuit board is provided within the circuit chamber. A top cover assembly is provided at the upper end of the main housing, the top cover assembly including several heat dissipation holes communicating with the circuit chamber. The top cover assembly includes a bottom cover plate connected to the upper end of the main housing, the openings of the heat dissipation holes being horizontally higher than the surface of the bottom cover plate. The top cover assembly also includes an upper end cover connected to the bottom cover plate, an air inlet on the side of the upper end cover, and a waterproof eaves corresponding to the air inlet on the upper end cover.

2. The dryer according to claim 1, characterized in that, An air intake chamber is formed between the upper end cover and the bottom plate of the upper cover, and an air intake pipe is provided in the air intake chamber.

3. The dryer according to claim 1, characterized in that, The air inlets are located on the left and right sides and the front end of the upper cover, respectively, and the waterproof eaves are formed by extending downward from the upper side of the upper cover.

4. The dryer according to claim 2, characterized in that, The air intake pipe is formed through the circuit chamber, and a fan is installed inside the air intake pipe.

5. The dryer according to claim 1, characterized in that, The top cover plate is located at the upper end of the circuit chamber, and the bottom of the circuit chamber is provided with a high-temperature resistant plate.

6. The dryer according to claim 1, characterized in that, The bottom plate of the upper cover is provided with several heat dissipation columns, and the heat dissipation holes are through holes in the middle of the heat dissipation columns.

7. The dryer according to claim 6, characterized in that, The top of the heat dissipation column does not contact the upper end cover.

8. The dryer according to claim 2, characterized in that, The top of the air intake pipe is also equipped with a dust filter.

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