CN216625571U

CN216625571U - Waterproof, moistureproof and high-heat-dissipation programmable direct-current power supply

Info

Publication number: CN216625571U
Application number: CN202123323793.5U
Authority: CN
Inventors: 周斌; 胡民林; 胡仁林
Original assignee: Shanghai Ruijin Power Technology Co ltd
Current assignee: Shanghai Ruijin Power Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-27
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a waterproof, moistureproof and high-heat-dissipation programmable direct-current power supply, belongs to the field of programmable direct-current power supplies, and aims to solve the problems that the waterproof and moistureproof performance is poor, the normal use of elements is easily influenced when moisture enters the power supply, and the heat dissipation performance is poor; through the arrangement of the waterproof shell and the desiccant layer, the top waterproof shell can wrap the power supply body, moisture is prevented from accumulating on the surface of the waterproof shell, the waterproof performance is improved, the desiccant layer can dry air while heat dissipation and heat conduction are achieved, and the moisture resistance is improved; through louver fan, adjustment mechanism, first heat dissipation fan, heat dissipation chamber, louvre, first dust screen, heat conduction hole and heat abstractor's setting, can spill the heat of power body both sides and bottom fast, improve heat dispersion, when power body is hotter, can also utilize adjustment mechanism to open and shut louver fan, ventilate and dispel the heat fast power body and waterproof housing both sides.

Description

Waterproof, moistureproof and high-heat-dissipation programmable direct-current power supply

Technical Field

The utility model relates to the field of programmable direct current power supplies, in particular to a waterproof, moistureproof and high-heat-dissipation programmable direct current power supply.

Background

The programmable DC power supply is a scientific instrument used in the field of electronic and communication technology, and is a DC power supply which is input by a digital or encoder and whose voltage and current are regulated by a non-potentiometer, and is mainly used for controlling the output of voltage and current of a DC charger. The programmable direct current power supply has the following functions: tracking function-in some programmable power supplies, there is a function of inter-channel linkage, i.e., tracking function; in an induction mode, the resistance of a compensation wire is in a common mode, and voltage is directly loaded on a load through the wire, so that the stability of the voltage of the load is kept; arbitrary waveform power supplies-some programmable power supplies have arbitrary waveform editing functions, i.e. produce waveforms that vary with time; modulation-some programmable power supplies have an external modulation function and use terminals on the back panel to modulate both sets of outputs.

Present current programmable DC power supply has certain drawback when using, and waterproof and humidity resistance is relatively poor, and moisture gets into the inside normal use that influences the component easily of power, makes the component take place the corrosion even, and the component during operation can produce a large amount of heats moreover, and heat dispersion is relatively poor, makes the inside high temperature of power easily and damages.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses a waterproof, moistureproof and high-heat-dissipation programmable direct current power supply, which adopts the technical scheme that the programmable direct current power supply comprises a power supply body, a control panel and a control circuit, wherein the control panel is arranged on the front side of the power supply body, the control circuit is arranged in the power supply body and comprises a microprocessor, a waterproof shell is fixedly connected to the outer surface of the power supply body, the power supply body can be wrapped through the waterproof shell, moisture is prevented from entering the power supply body from the top and two sides of the power supply body, the waterproof performance is improved, a louver fan is arranged in the waterproof shell and is movably connected with an adjusting mechanism, and the louver fan can be opened and closed through the adjusting mechanism to ventilate and dissipate heat of the power supply body and the waterproof shell, the waterproof shell is internally provided with a limiting plate, the limiting plate is internally provided with a first heat dissipation fan, a heat dissipation cavity is arranged between the first heat dissipation fan and the waterproof shell, heat dissipation holes are formed in two sides of the lower surface of the waterproof shell, a first dust screen is arranged in each heat dissipation hole, through the arrangement of the first heat dissipation fan, the heat dissipation cavities, the heat dissipation holes and the first dust screen, heat of the power supply body can be guided into the heat dissipation cavities by the first heat dissipation fan and is guided out of the heat dissipation holes, the heat dissipation performance is improved, the first dust screen prevents dust from entering the heat dissipation cavities to cause blockage, the middle part of the lower surface of the waterproof shell is provided with a heat conduction hole, desiccant layers are arranged in the heat conduction hole and the heat dissipation cavity, through the arrangement of the desiccant layers, air can be dried while heat is dissipated and conducted, moisture is absorbed, the moisture resistance is improved, and the lower surface of the waterproof shell is fixedly connected with a heat dissipation base, the heat dissipation base is internally provided with a heat dissipation device, heat at the bottom of the power supply body can be conducted out from the heat conduction hole by the heat dissipation device through the heat conduction hole and the heat dissipation device, the heat dissipation performance is improved, and the first heat dissipation fan and the heat dissipation device are both connected with the microprocessor.

As a preferable technical scheme of the present invention, the top of the waterproof housing is slightly tapered, two sides of the waterproof housing are obliquely arranged, and the waterproof housing, which is slightly tapered at the top and obliquely arranged at two sides, can prevent moisture from accumulating on the surface of the waterproof housing, thereby improving waterproof performance.

As a preferred technical scheme of the utility model, the adjusting mechanism comprises a movable groove, a moving rod and an adjusting gear, the movable groove is formed in the inner portion of each of two side walls of the waterproof shell, the moving rod is connected in the movable groove in a sliding manner, the adjusting gear is connected to the outer side of the moving rod in a transmission manner, the moving rod is movably connected with the louver, and the louver can be opened and closed through the arrangement of the movable groove, the moving rod and the adjusting gear.

As a preferred technical scheme of the utility model, the desiccant layers are all made of silica gel particles, and the desiccant layers of the silica gel particles can dry air while dissipating heat and conducting heat, absorb moisture and improve the moisture resistance.

As a preferred technical solution of the present invention, the heat dissipation device includes a second heat dissipation fan and a second dust screen, the second heat dissipation fan is disposed inside the heat dissipation base, the second dust screen is disposed below the second heat dissipation fan, the second heat dissipation fan is connected to the microprocessor, and the rapid and efficient heat dissipation of the bottom of the power supply body can be achieved by the arrangement of the second heat dissipation fan and the second dust screen.

As a preferred technical scheme of the utility model, the bottom of the heat dissipation base is provided with a supporting leg, the interior of the heat dissipation base and the lower surface of the waterproof shell are both provided with threaded holes, the supporting leg is connected with the waterproof shell and the heat dissipation base through a bolt and the threaded holes, the supporting leg and the threaded holes can support the whole device, and the heat dissipation base is convenient to mount and dismount.

As a preferable technical scheme of the utility model, the heat dissipation base is internally provided with a groove, and partial heat can be cached through the arrangement of the groove.

The utility model has the beneficial effects that: according to the utility model, through the arrangement of the waterproof shell and the desiccant layer, the waterproof shell with the slightly conical top and the two obliquely arranged sides can wrap the power supply body, so that moisture is prevented from accumulating on the surface of the waterproof shell, the waterproof performance is improved, and the desiccant layer of the silica gel particles can dry air while dissipating heat and conducting heat, so that moisture is absorbed, and the moisture resistance is improved; through the louver fan, adjustment mechanism, first heat dissipation fan, the heat dissipation chamber, the louvre, first dust screen, the setting of heat conduction hole and heat abstractor, can utilize first heat dissipation fan with the leading-in heat dissipation chamber of the heat of power body both sides, and derive from the louvre, first dust screen avoids the dust to get into the heat dissipation chamber, heat abstractor derives the heat of power body bottom from the heat conduction hole simultaneously, heat dispersion is improved, when power body is hotter, can also utilize adjustment mechanism to open and shut the louver fan, ventilate and dispel the heat fast power body and waterproof housing both sides.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is a schematic view of the sectional structure of the opening shutter of the present invention;

FIG. 4 is a schematic perspective view of a heat dissipation base according to the present invention;

FIG. 5 is an enlarged view of the structure of the present invention at A.

In the figure: 1. a power supply body; 2. a control panel; 3. a waterproof housing; 4. a louver fan; 5. an adjustment mechanism; 501. a movable groove; 502. a travel bar; 503. an adjusting gear; 6. a limiting plate; 7. a first heat dissipation fan; 8. a heat dissipation cavity; 9. heat dissipation holes; 10. a first dust screen; 11. a heat conduction hole; 12. a desiccant layer; 13. a heat dissipation base; 14. a heat sink; 1401. a second heat dissipation fan; 1402. a second dust screen; 15. a support leg; 16. a threaded hole; 17. and (4) a groove.

Detailed Description

Example 1

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance. In the description of the present invention, it should 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, a removable connection, or an integral 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 meanings 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 utility model discloses a waterproof, moistureproof and high heat radiation programmable direct current power supply, which adopts the technical scheme that the programmable direct current power supply comprises a power supply body 1, a control panel 2 and a control circuit, wherein the control panel 2 is arranged on the front surface of the power supply body 1, the control circuit is arranged inside the power supply body 1 and comprises a microprocessor, a waterproof shell 3 is fixedly connected to the outer surface of the power supply body 1, the waterproof shell 3 wraps the power supply body 1 to enable water to smoothly flow down from two sides of the waterproof shell 3 and avoid entering the power supply body 1, a louver fan 4 is arranged inside the waterproof shell 3, the louver fan 4 is movably connected with an adjusting mechanism 5, when the temperature of the power supply body 1 is higher, the louver fan 4 can be opened by the adjusting mechanism 5 to enable the heat of a heat radiation cavity 8 to be rapidly radiated and ventilated, a limiting plate 6 is arranged inside the waterproof shell 3, a first heat dissipation fan 7 is arranged inside the limiting plate 6, a heat dissipation cavity 8 is arranged between the first heat dissipation fan 7 and the waterproof shell 3, heat dissipation holes 9 are formed in two sides of the lower surface of the waterproof shell 3, a first dust screen 10 is arranged inside the heat dissipation holes 9, the first heat dissipation fan 7 guides heat on two sides of the power supply body 1 into the heat dissipation cavity 8 and discharges the heat from the heat dissipation holes 9, the first dust screen 10 blocks external dust, a heat conduction hole 11 is formed in the middle of the lower surface of the waterproof shell 3, heat on the bottom of the power supply body 1 is guided into a heat dissipation base 13 from the heat conduction hole 11, desiccant layers 12 are arranged inside the heat conduction hole 11 and the heat dissipation cavity 8, the desiccant layers 12 dry air to improve the moisture resistance, and the heat dissipation base 13 is fixedly connected to the lower surface of the waterproof shell 3, the heat dissipation base 13 is internally provided with a heat dissipation device 14, the heat dissipation device 14 rapidly discharges heat at the bottom of the power supply body 1, and the first heat dissipation fan 7 and the heat dissipation device 14 are both connected with the microprocessor.

As a preferred technical solution of the present invention, the top of the waterproof housing 3 is slightly tapered, two sides of the waterproof housing 3 are obliquely disposed, and the waterproof housing 3, which is slightly tapered at the top and obliquely disposed at two sides, prevents moisture from accumulating on the surface of the waterproof housing 3, thereby improving waterproofness.

As a preferable technical solution of the present invention, the adjusting mechanism 5 includes a movable groove 501, a movable rod 502, and an adjusting gear 503, the movable groove 501 is formed in the inner portion of the two side walls of the waterproof housing 3, the movable rod 502 is slidably connected to the inner portion of the movable groove 501, the adjusting gear 503 is connected to the outer side of the movable rod 502 in a transmission manner, the movable rod 502 is movably connected to the louver 4, and the adjusting gear 503 is shifted to adjust the position of the movable rod 502 in the movable groove 501, so as to drive the louver 4 to open and close.

As a preferred technical scheme of the utility model, the materials of the desiccant layer 12 are silica gel particles, and the desiccant layer 12 of the silica gel particles can absorb moisture in air while dissipating heat and conducting heat, so that the moisture resistance is improved.

As a preferable technical solution of the present invention, the heat dissipation device 14 includes a second heat dissipation fan 1401 and a second dust screen 1402, the second heat dissipation fan 1401 is disposed inside the heat dissipation base 13, the second dust screen 1402 is disposed below the second heat dissipation fan 1401, the second heat dissipation fan 1401 is connected to the microprocessor, the second heat dissipation fan 1401 is turned on to rapidly guide out heat at the bottom of the power supply body 1, and the second dust screen 1402 prevents dust from entering.

As a preferred technical solution of the present invention, the bottom of the heat dissipation base 13 is provided with a leg 15, the inside of the heat dissipation base 13 and the lower surface of the waterproof housing 3 are both provided with a threaded hole 16, the leg 15 is connected with the waterproof housing 3 and the heat dissipation base 13 through a bolt and the threaded hole 16, and the leg 15, the heat dissipation base 13 and the waterproof housing 3 can be conveniently mounted and dismounted by using the bolt and the threaded hole 16.

As a preferred technical solution of the present invention, a groove 17 is formed inside the heat dissipation base 13, and the heat conduction hole 11 guides the heat at the bottom of the power supply body 1 into the groove 17.

The working principle of the utility model is as follows: when the power supply body 1 works, the waterproof shell 3 wraps the power supply body 1, so that moisture smoothly flows down from two sides of the waterproof shell 3 to avoid entering the power supply body 1, the control panel 2 is utilized to open the first heat dissipation fan 7 and the second heat dissipation fan 1401, the first heat dissipation fan 7 in the limiting plate 6 guides heat at two sides of the power supply body 1 into the heat dissipation cavity 8 and discharges the heat from the heat dissipation holes 9, the first dustproof net 10 blocks external dust, the heat at the bottom of the power supply body 1 is guided into the groove 17 in the heat dissipation base 13 from the heat conduction hole 11, the second heat dissipation fan 1401 then guides the heat out quickly, the second dustproof net 1402 prevents the dust from entering, when the temperature of the power supply body 1 is higher, the adjusting gear 503 can be also used for adjusting the position of the moving rod 502 in the movable groove 501, the louver fan 4 is opened for ventilation and quick heat dissipation, the desiccant layer 12 of silica gel particles can dissipate heat, can absorb the moisture in the air, improve humidity resistance, further, utilize bolt and screw hole 16 can be easy to assemble dismantlement landing leg 15, heat dissipation base 13 and waterproof housing 3.

The microprocessor adopts an Itemel 89C51 type singlechip for starting and stopping the heat dissipation fan, and technical personnel in the field can obtain technical inspiration by referring to teaching materials or technical manuals published by manufacturers through pins and connection modes of 89C 51; the electrical circuits and mechanical connections involved in the present invention are conventional means employed by those skilled in the art and may be suggested by limited experimentation and are within the ordinary skill of the art.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. The utility model provides a dampproofing and waterproofing high radiating programmable DC power supply, includes power body (1), control panel (2) and control circuit, the front of power body (1) is provided with control panel (2), the inside of power body (1) is provided with control circuit, control circuit includes microprocessor, its characterized in that: the outer surface of the power supply body (1) is fixedly connected with a waterproof shell (3), a louver fan (4) is arranged inside the waterproof shell (3), the louver fan (4) is movably connected with an adjusting mechanism (5), a limiting plate (6) is arranged inside the waterproof shell (3), a first heat dissipation fan (7) is arranged inside the limiting plate (6), a heat dissipation cavity (8) is arranged between the first heat dissipation fan (7) and the waterproof shell (3), heat dissipation holes (9) are formed in two sides of the lower surface of the waterproof shell (3), a first dust screen (10) is arranged inside the heat dissipation holes (9), a heat conduction hole (11) is formed in the middle of the lower surface of the waterproof shell (3), drying agent layers (12) are arranged inside the heat conduction hole (11) and the heat dissipation cavity (8), and a heat dissipation base (13) is fixedly connected with the lower surface of the waterproof shell (3), the heat dissipation device (14) is arranged inside the heat dissipation base (13), and the first heat dissipation fan (7) and the heat dissipation device (14) are both connected with the microprocessor.

2. The waterproof, moisture-proof and high-heat-dissipation programmable direct-current power supply of claim 1, wherein: the top of the waterproof shell (3) is slightly conical, and two sides of the waterproof shell (3) are obliquely arranged.

3. The waterproof, moisture-proof and high-heat-dissipation programmable direct-current power supply of claim 1, wherein: adjustment mechanism (5) are including activity groove (501), carriage release lever (502), adjusting gear (503), activity groove (501) have been seted up to the inside of waterproof housing (3) both sides wall, the inside sliding connection of activity groove (501) has carriage release lever (502), the outside transmission of carriage release lever (502) is connected with adjusting gear (503), carriage release lever (502) and louver (4) swing joint.

4. The waterproof, moisture-proof and high-heat-dissipation programmable direct-current power supply of claim 1, wherein: the drying agent layer (12) is made of silica gel particles.

5. The waterproof, moisture-proof and high-heat-dissipation programmable direct-current power supply of claim 1, wherein: the heat dissipation device (14) comprises a second heat dissipation fan (1401) and a second dustproof net (1402), the second heat dissipation fan (1401) is arranged inside the heat dissipation base (13), the second dustproof net (1402) is arranged below the second heat dissipation fan (1401), and the second heat dissipation fan (1401) is connected with the microprocessor.

6. The waterproof, moisture-proof and high-heat-dissipation programmable direct-current power supply of claim 1, wherein: the bottom of heat dissipation base (13) is provided with landing leg (15), threaded hole (16) have all been seted up to the inside of heat dissipation base (13) and the lower surface of waterproof shell (3), waterproof shell (3) and heat dissipation base (13) are connected through bolt and threaded hole (16) in landing leg (15).

7. The waterproof, moisture-proof and high-heat-dissipation programmable direct-current power supply of claim 1, wherein: a groove (17) is formed in the heat dissipation base (13).