Heat dissipation shell of greenhouse lampshade

Abstract

The utility model discloses a heat dissipation shell of a lampshade of a greenhouse. The heat dissipation shell of the lampshade aims to solve the technical problem that in the prior art, heat dissipation fins of an illuminating lamp are poor in heat dissipation. Comprising a heat dissipation plate, heat dissipation fins are integrally formed in the middle of the upper surface of the heat dissipation plate, a shell is mounted on the upper surface of the heat dissipation plate, a mounting hole is formed in the front face of the shell, a heat dissipation mechanism is arranged in the mounting hole, a through hole is formed in the middle of the back face of the shell, and a first filter plate is mounted in the through hole through screws; the heat dissipation plate and the heat dissipation fins can be protected by arranging the shell, meanwhile, a heat dissipation mechanism is arranged on the shell, a suction fan can introduce air into a cylinder, and under the cooperation of a first connecting pipe, honeycomb paper, a water absorption rod, an annular pipe, a second connecting pipe and an air guide pipe, dust is prevented from being gathered on the heat dissipation plate, and the heat dissipation effect is improved. And the heat dissipation efficiency of the heat dissipation plate and the heat dissipation fins can be improved, so that the service life of the illuminating lamp is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lampshade heat dissipation, specifically relates to a greenhouse lampshade heat dissipation shell. BACKGROUND

[0002] LED refers to light emitting diode, and it is a kind of semiconductor electronic component that can convert electric energy into light energy.Currently, LED lamp as photoelectric device has been widely applied in life, but most electric energy is dissipated in the form of heat in its working process, since it is mainly chip heating, and the chip area is small, with the increase of input power, the heat accumulated on the chip will be more and more, and the temperature will be higher and higher, especially the high-power LED lamp, when the working temperature exceeds the bearing temperature of chip, the luminous efficiency of LED lamp will be rapidly reduced, obvious attenuation is generated, meanwhile, the wavelength of device light-emitting lengthens, color produces red shift, finally leads to shortening of service life, according to relevant research, the service life will be doubled when the temperature of LED lamp is reduced by 10 degrees.

[0003] The existing agricultural greenhouse mostly uses LED lighting lamp with fin to illuminate, since the greenhouse is constant temperature all the year round, suitable for crop growth, but occasionally air flowability in the greenhouse is poor, so that the fin of lighting lamp cannot well radiate lighting lamp, and a large amount of dust will be generated when crops are harvested, and the dust will be accumulated on exposed fin, so that the heat of fin is gathered, and the service life of lighting lamp is reduced, therefore, the greenhouse lampshade heat dissipation shell is designed to change the above technical defects. UTILITY MODEL CONTENTS

[0004] (1) technical problem to be solved

[0005] In view of the defects of prior art, the utility model aims at providing a greenhouse lampshade heat dissipation shell, and the lampshade heat dissipation shell mainly solves the technical problem of poor heat dissipation of fin of lighting lamp under prior art.

[0006] (2) technical scheme

[0007] In order to solve the above technical problem, the utility model provides a greenhouse lampshade heat dissipation shell, which comprises a heat dissipation plate, the upper surface of the heat dissipation plate is integrally formed with heat dissipation fins in the middle, the upper surface of the heat dissipation plate is provided with a shell, the front surface of the shell is provided with a mounting hole, the mounting hole is provided with a heat dissipation mechanism, the back surface of the shell is provided with a through hole in the middle, and the first filter plate is installed in the through hole by screw.

[0008] Preferably, the heat dissipation mechanism comprises a cylinder, one end of the cylinder is fixedly connected in the mounting hole, the inside of the cylinder is provided with a suction fan at the front end by mounting frame, and the inside of the cylinder is provided with a second filter plate at the front side of the suction fan by screw.

[0009] Furthermore, a first connecting pipe is fixedly connected to the interior of the cylinder and located at the rear side of the suction fan, a second connecting pipe is fixedly connected to one end of the first connecting pipe away from the suction fan, and an air duct is fixedly connected to one end of the second connecting pipe away from the first connecting pipe.

[0010] Furthermore, the first connecting tube and the second connecting tube are both funnel-shaped, and the diameter of the small end of the second connecting tube is smaller than the diameter of the small end of the first connecting tube.

[0011] Furthermore, the air duct is located inside the shell, and both ends of the air duct are clamped to the inner wall of the shell through clamping blocks. The end of the air duct away from the second connecting pipe is provided with multiple air outlets distributed at equal intervals, and the air outlets correspond to the heat dissipation fins.

[0012] Furthermore, the heat dissipation mechanism also includes an annular tube, which is sleeved on the outside of the cylinder and corresponds to the small end of the first connecting tube. A plurality of conduits are fixedly connected to the inner wall of the annular tube, and the end of the conduit away from the annular tube sequentially passes through the cylinder and the small end of the first connecting tube and extends to the interior of the first connecting tube.

[0013] Furthermore, the plurality of conduits are distributed in an annular array about the center line of the annular tube, the small end of the first connecting tube is fixedly connected to a honeycomb paper in a circular shape, and a water absorbing rod is provided inside the conduit.

[0014] Furthermore, the water-absorbing rod is made of absorbent cotton, one end of the water-absorbing rod is fixedly connected to the honeycomb paper, and the other end of the water-absorbing rod passes through the catheter and extends to the inside of the annular tube. The top of the annular tube is fixedly connected to a water injection pipe, and a rubber plug is provided inside the water injection pipe.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The utility model discloses to protect the heat plate and the heat fins by arranging the shell, and at the same time, the heat dissipation mechanism is arranged on the shell, and the suction fan can introduce air into the cylinder, and with the cooperation of the first connecting tube, honeycomb paper, water absorption rod, annular tube, second connecting tube and air guide pipe, the flow rate of the introduced air is increased, and the honeycomb paper is moistened by the capillary water absorption phenomenon of the water absorption rod, so that the flow rate of the air passing through the second connecting tube is increased and the temperature is reduced, so that the air flow is blown to the heat plate and the heat fins under the guidance of the air outlet, which not only reduces the temperature in the shell, but also the air flow is discharged through the second filter plate to form a cycle, which not only avoids dust accumulation on the heat plate, but also can improve the heat dissipation efficiency of the heat plate and the heat fins, thereby improving the service life of the lighting lamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1The whole three-dimensional structure schematic diagram of the utility model is shown in the figure.

[0019] Figure 2 The whole another perspective structure schematic diagram of the utility model is shown in the figure.

[0020] Figure 3 The explosion structure schematic diagram of the utility model is shown in the figure.

[0021] Figure 4 The overhead section structure schematic diagram of the utility model is shown in the figure.

[0022] Figure 5 The heat dissipation mechanism partial section three-dimensional structure schematic diagram of the utility model is shown in the figure.

[0023] Figure 6 The heat dissipation mechanism partial section three-dimensional structure schematic diagram of the utility model is shown in the figure. Figure 3 The enlarged structure schematic diagram of A in the figure.

[0024] The marks in the drawing are: 1, heat dissipation plate;2, shell;3, heat dissipation mechanism;4, first filter plate;5, heat dissipation fin;6, cylinder;7, air suction fan;8, second filter plate;9, first connecting pipe;10, second connecting pipe;11, air duct;12, air outlet hole;13, annular pipe;14, water injection pipe;15, honeycomb paper;16, conduit;17, water suction rod. Specific implementation

[0025] The specific implementation is a greenhouse lampshade heat dissipation shell, and the structure schematic diagram is shown in the figure. Figures 1-6 The upper surface of the heat dissipation plate 1 is integrally formed with the heat dissipation fin 5 in the middle, the upper surface of the heat dissipation plate 1 is provided with the shell 2, the front surface of the shell 2 is provided with the mounting hole, the mounting hole is provided with the heat dissipation mechanism 3, the back surface of the shell 2 is provided with the through hole in the middle, and the first filter plate 4 is installed in the through hole through the screw.

[0026] The shell 2 can shield the heat dissipation fin 5 by being arranged on the heat dissipation plate 1, so that the external dust is prevented from accumulating on the heat dissipation fin 5, wherein the two side surfaces of the heat dissipation fin 5 are integrally formed with a plurality of arc-shaped protrusions, the adjacent two arc-shaped protrusions can not only increase the heat dissipation area but also form the flow guide channel between the adjacent two arc-shaped protrusions to increase the flow rate of the airflow, so that the heat dissipation mechanism 3 can introduce the external air into the shell 2 to dissipate heat for the heat dissipation fin 5, and the first filter plate 4 can not only prevent the external dust from entering the shell 2 but also guide the air in the shell 2 to be discharged.

[0027] Among them, the heat dissipation mechanism 3 includes a cylinder 6, one end of the cylinder 6 is fixedly connected to the mounting hole, and a suction fan 7 is installed at the front end of the interior of the cylinder 6 through a mounting frame. A second filter plate 8 is installed inside the cylinder 6 and in front of the suction fan 7 by screws; the suction fan 7 can suck in the outside air, and the second filter plate 8 can filter the sucked air to intercept the dust in the air, and cooperate with the first filter plate 4 to allow the clean air entering the interior of the shell 2 to circulate and take away the heat on the heat dissipation fins 5.

[0028] In this embodiment, a first connecting pipe 9 is fixedly connected to the interior of the cylinder 6 and located on the rear side of the suction fan 7. A second connecting pipe 10 is fixedly connected to the end of the first connecting pipe 9 away from the suction fan 7. An air duct 11 is fixedly connected to the end of the second connecting pipe 10 away from the first connecting pipe 9. By arranging the first connecting pipe 9, the second connecting pipe 10 and the air duct 11, the inhaled air can be guided and finally discharged to between two adjacent heat dissipation fins 5 through the air duct 11.

[0029] In this embodiment, the first connecting tube 9 and the second connecting tube 10 are both funnel-shaped, and the diameter of the small end of the second connecting tube 10 is smaller than the diameter of the small end of the first connecting tube 9; this arrangement can reduce the flow cross-section of the inhaled airflow when passing through the first connecting tube 9 and the second connecting tube 10, which not only increases the airflow velocity but also reduces the airflow temperature, thereby reducing the temperature inside the shell 2, which is beneficial to the heat dissipation of the heat sink 1 and the heat dissipation fins 5.

[0030] In this embodiment, the air duct 11 is located inside the outer shell 2, and the two ends of the air duct 11 are clamped to the inner wall of the outer shell 2 through clamping blocks. The end of the air duct 11 away from the second connecting tube 10 is provided with a plurality of air outlet holes 12 distributed at equal intervals, and the air outlet holes 12 correspond to the heat dissipation fins 5; through the setting of the air outlet holes 12, the air flow can accurately dissipate heat to the heat dissipation fins 5 and the heat dissipation plate 1, which not only makes the heat dissipation uniform, but also has high heat dissipation efficiency.

[0031] In this embodiment, the heat dissipation mechanism 3 also includes an annular tube 13, which is sleeved on the outside of the cylinder 6. The annular tube 13 corresponds to the small end of the first connecting tube 9. The inner wall of the annular tube 13 is fixedly connected to a plurality of conduits 16. The end of the conduit 16 away from the annular tube 13 passes through the cylinder 6 and the small end of the first connecting tube 9 in sequence and extends to the interior of the first connecting tube 9; through the communication between the annular tube 13 and the conduit 16, the interior of the annular tube 13 can store a certain amount of water to provide a water source for the water absorption rod 17.

[0032] In the embodiment, the plurality of pipes 16 are arranged in a ring array about the center line of the ring pipe 13, the small end of the first connecting pipe 9 is fixedly connected with a honeycomb paper 15, the honeycomb paper 15 is arranged in a circular shape, the pipe 16 is internally provided with a water absorbing rod 17; wherein the contact end of the water absorbing rod 17 with the ring pipe 13 is treated by glue pouring, so that the water absorbing rod 17 and the ring pipe 13 form a seal, and the water absorbing rod 17, the ring pipe 13 and the honeycomb paper 15 cooperate, the water absorbing rod 17 guides the water in the ring pipe 13 to the honeycomb paper 15 through capillary phenomenon, so that the honeycomb paper 15 is wet, and the airflow is cooled when passing through the honeycomb paper 15, further cooling the heat dissipation fins 5 and the heat dissipation plate 1.

[0033] In the embodiment, the material of the water absorbing rod 17 is water absorbing cotton, one end of the water absorbing rod 17 is fixedly connected with the honeycomb paper 15, the other end of the water absorbing rod 17 penetrates through the pipe 16 and extends into the ring pipe 13, the top end of the ring pipe 13 is fixedly connected with a water injection pipe 14, and the water injection pipe 14 is internally provided with a rubber plug; the water absorbing cotton has good water absorption and better capillary phenomenon, so that the honeycomb paper 15 is always in a wet state; and the water injection pipe 14 can be sealed by the rubber plug.

[0034] Working principle, in use, a certain amount of water is first injected into the ring pipe 13 through the water injection pipe 14, the water absorbing rod 17 can guide the water in the ring pipe 13 to the honeycomb paper 15, so that the honeycomb paper 15 is wet; then, the air outside can be introduced into the cylinder 6 by the air suction fan 7, and then pass through the first connecting pipe 9, the honeycomb paper 15 and the second connecting pipe 10, and finally enter the air guide pipe 11, and then be blown to the upper surface of the heat dissipation plate 1 and between two adjacent heat dissipation fins 5 through the air outlet hole 12, and when the air passes through the honeycomb paper 15, the water in the honeycomb paper 15 evaporates and absorbs heat, so that the heat in the air is absorbed, the temperature of the airflow is reduced, the first connecting pipe 9 and the second connecting pipe 10 can provide the flow rate of the airflow, and the temperature of the airflow is further reduced, so that the airflow can cool the heat dissipation plate 1 and the heat dissipation fins 5 after entering the shell 2, and the airflow is discharged from the first filter plate 4, so that the convection is formed between the inside and outside of the shell 2, and the flowing air can take away the heat on the heat dissipation plate 1 and the heat dissipation fins 5.

[0035] All the technical features in the embodiment can be freely combined according to actual needs.

[0036] The above embodiment is a preferred implementation scheme of the utility model, and the utility model can also be implemented in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.

Claims

1. A heat dissipation shell for a greenhouse lampshade, characterized by: The heat dissipation device comprises a heat dissipation plate (1), wherein a heat dissipation fin (5) is integrally formed in the middle of the upper surface of the heat dissipation plate (1), a housing (2) is mounted on the upper surface of the heat dissipation plate (1), a mounting hole is provided on the front of the housing (2), a heat dissipation mechanism (3) is arranged in the mounting hole, and a through hole is provided in the middle of the back of the housing (2), a first filter plate (4) is mounted inside the through hole by screws.

2. The heat dissipation housing of a greenhouse lampshade according to claim 1, characterized in that: The heat dissipation mechanism (3) comprises a cylinder (6), one end of the cylinder (6) is fixedly connected to the mounting hole, a suction fan (7) is mounted on the front end of the cylinder (6) via a mounting frame, and a second filter plate (8) is mounted on the inside of the cylinder (6) and on the front side of the suction fan (7) via screws.

3. The heat dissipation housing of a greenhouse lampshade according to claim 2, characterized in that: A first connecting pipe (9) is fixedly connected inside the cylinder (6) and located at the rear side of the suction fan (7); an end of the first connecting pipe (9) away from the suction fan (7) is fixedly connected to a second connecting pipe (10); and an end of the second connecting pipe (10) away from the first connecting pipe (9) is fixedly connected to an air guide pipe (11).

4. The heat dissipation housing of a greenhouse lampshade according to claim 3, characterized in that: The first connecting tube (9) and the second connecting tube (10) are both funnel-shaped, and the diameter of the small end of the second connecting tube (10) is smaller than the diameter of the small end of the first connecting tube (9).

5. The heat dissipation housing of a greenhouse lampshade according to claim 3, characterized in that: The air duct (11) is located inside the housing (2), and both ends of the air duct (11) are clamped to the inner wall of the housing (2) through clamping blocks. A plurality of air outlet holes (12) distributed at equal intervals are provided at one end of the air duct (11) away from the second connecting tube (10), and the air outlet holes (12) correspond to the heat dissipation fins (5).

6. The heat dissipation housing of a greenhouse lampshade according to claim 1, characterized in that: The heat dissipation mechanism (3) further comprises an annular tube (13), the annular tube (13) being sleeved on the outside of the cylinder (6), the annular tube (13) corresponding to the small end of the first connecting tube (9), the inner wall of the annular tube (13) being fixedly connected with a plurality of conduits (16), the ends of the conduits (16) away from the annular tube (13) sequentially passing through the cylinder (6) and the small end of the first connecting tube (9) and extending to the interior of the first connecting tube (9).

7. The heat dissipation housing of a greenhouse lampshade according to claim 6, characterized in that: The plurality of conduits (16) are distributed in an annular array about the center line of the annular tube (13); a honeycomb paper (15) is fixedly connected to the interior of the small end of the first connecting tube (9); the honeycomb paper (15) is arranged in a circular shape; and a water absorbing rod (17) is arranged inside the conduit (16).

8. A greenhouse lampshade heat dissipation shell according to claim 7, wherein the water absorption rod (17) is made of absorbent cotton, one end of the water absorption rod (17) is fixedly connected to the honeycomb paper (15), and the other end of the water absorption rod (17) passes through the conduit (16) and extends to the inside of the annular tube (13), the top end of the annular tube (13) is fixedly connected to the water injection pipe (14), and the inside of the water injection pipe (14) is provided with a rubber plug.

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