Direct-current voltage-stabilizing and current-stabilizing power supply

Abstract

The utility model belongs to the technical field of power supplies, and particularly relates to a direct-current voltage-stabilizing and current-stabilizing power supply which comprises a direct-current voltage-stabilizing and current-stabilizing power supply body, a plurality of air inlet cylinders are communicated with the left wall of the direct-current voltage-stabilizing and current-stabilizing power supply body, and a plurality of air outlet cylinders are communicated with the right wall of the direct-current voltage-stabilizing and current-stabilizing power supply body. A pair of limiting plates is fixedly arranged on the left side wall face and the right side wall face of the direct-current voltage and current stabilization power source respectively, a polished rod is fixedly arranged between the limiting plates, a plurality of sliding blocks are arranged on the polished rod in a sliding mode, a lead screw is rotationally arranged between the limiting plates, the lead screw is in threaded connection with the sliding blocks, and dustproof plates are fixedly arranged on the bottom faces of the sliding blocks. According to the utility model, through reverse translation of the plurality of slide blocks, the dustproof plate can be driven to shield the air inlet cylinder and the air outlet cylinder, so that external dust is prevented from entering the DC voltage-stabilizing and current-stabilizing power supply main body through the air inlet hole or the air outlet hole when the DC voltage-stabilizing and current-stabilizing power supply main body is in an idle state; and the frequency of cleaning the interior of the DC voltage-stabilizing and current-stabilizing power supply main body by workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to power supply technical field especially relates to a direct current voltage-stabilized current-stabilized power supply. BACKGROUND

[0002] Direct current voltage-stabilized current-stabilized power supply is a kind of key electronic equipment, can stabilize output current or voltage, is widely used in electronic equipment power supply and industrial control field, the core type of this kind of power supply includes linear power supply and switching power supply: linear power supply utilizes regulating tube linear operation, realizes low ripple output, but efficiency is lower;Switching power supply is through high-frequency switching technology and improves efficiency and shrinks volume, but output ripple is larger, in addition, special types such as DC / DC conversion power supply, modular power supply and communication special power supply, support wide-range voltage (0-40V) and current (0-400A) continuous adjustable, and integrate multiple protection functions such as overvoltage, overcurrent, short circuit, ensure the safe operation of equipment.

[0003] However, the existing direct current voltage-stabilized current-stabilized power supply is in idle state, external dust is easy to invade the inside of power supply shell through the heat dissipation hole, the dust accumulated for a long time affects the heat dissipation efficiency, at present, worker needs to open power supply shell regularly and carries out internal cleaning, this process not only time-consuming and laborious, also increases maintenance frequency, especially in industrial environment, dust amount is big, cleaning demand is frequent, further aggravates the burden of worker. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of prior art, the utility model provides a direct current voltage-stabilized current-stabilized power supply, solve the existing direct current voltage-stabilized current-stabilized power supply is in idle state, external dust is easy to invade the inside of power supply shell through the heat dissipation hole, the dust accumulated for a long time affects the heat dissipation efficiency, at present, worker needs to open power supply shell regularly and carries out internal cleaning, this process not only time-consuming and laborious, also increases maintenance frequency, especially in industrial environment, dust amount is big, cleaning demand is frequent, further aggravates the burden of worker's technical problem.

[0005] In order to achieve the above purpose, the main technical scheme of the utility model comprises:

[0006] A direct current voltage and current stabilizing power supply, comprising a direct current voltage and current stabilizing power supply body, a plurality of air inlet tubes are communicated with the left wall of the direct current voltage and current stabilizing power supply body, a plurality of air outlet tubes are communicated with the right wall of the direct current voltage and current stabilizing power supply body, a pair of limiting plates are fixedly arranged on the left and right side walls of the direct current voltage and current stabilizing power supply body, a light rod is fixedly arranged between the pair of limiting plates, a plurality of sliding blocks are slidably arranged on the light rod, a lead screw is rotatably arranged between the pair of limiting plates, the lead screw is threadedly connected with the plurality of sliding blocks, a dustproof plate is fixedly arranged on the bottom surface of the sliding block, the dustproof plate can shield the air inlet tube and the air outlet tube, an air inlet bracket is fixedly arranged on the inner surface of the air inlet tube, an air inlet motor is fixedly arranged on the air inlet bracket, an air inlet fan is fixedly arranged on the driving end of the air inlet motor, an air outlet bracket is fixedly arranged on the inner surface of the air outlet tube, an air outlet motor is fixedly arranged on the air outlet bracket, an air outlet fan is fixedly arranged on the driving end of the air outlet motor, a fan switch structure is arranged between one of the sliding blocks and one of the limiting plates, and the fan switch structure can control the air inlet fan and the air outlet fan to be simultaneously turned on or turned off.

[0007] Further, the fan switch structure comprises a first copper sheet, the first copper sheet is fixedly arranged on the limiting plate, a fixed plate is fixedly arranged on the side wall of the direct current voltage and current stabilizing power supply body, a guide rod is slidably arranged in the fixed plate, an installation plate is fixedly arranged on one end of the guide rod, a second copper sheet is fixedly arranged on the installation plate, the first copper sheet is electrically connected with a first live wire, the second copper sheet is electrically connected with a second live wire, when the first copper sheet and the second copper sheet are in contact, the air inlet fan and the air outlet fan can be simultaneously turned on, and when the first copper sheet and the second copper sheet are disconnected, the air inlet fan and the air outlet fan can be simultaneously turned off.

[0008] Further, the other end of the guide rod is fixedly provided with a top hat, a spring is sleeved on the guide rod, and the spring abuts against the top hat.

[0009] Further, a pair of supporting plates are fixedly arranged on the rear wall of the direct current voltage and current stabilizing power supply body, a rotating shaft is rotatably arranged between the pair of supporting plates, first bevel gears are fixedly arranged on both ends of the rotating shaft, a second bevel gear is fixedly arranged on one end of the lead screw, and the first bevel gears are engaged with the second bevel gear.

[0010] Further, a servo motor is fixedly arranged on the limiting plate, and the driving end of the servo motor is fixedly connected with one end of the lead screw.

[0011] Further, a plurality of air inlet motors are connected in parallel, a plurality of air outlet motors are connected in parallel, and the plurality of air inlet motors and the plurality of air outlet motors are connected in parallel.

[0012] Further, a plurality of air inlet holes are formed in the end face of the air inlet tube.

[0013] Further, a plurality of air outlet holes are formed in the end face of the air outlet tube.

[0014] Further, two said lead screws are symmetrical to each other.

[0015] The utility model discloses the beneficial effect is:

[0016] 1, through multiple sliding blocks translation can drive the dustproof board away from the air inlet cylinder and the air outlet cylinder, through the sliding block translation can make the sliding block and the top cap contact and drive the top cap translation, through the top cap translation can drive the second copper sheet and the first copper sheet contact, through the second copper sheet and the first copper sheet contact can start multiple air inlet fans and multiple air outlet fans, through multiple air inlet fans rotation can suck external air through the air inlet hole into the direct current stabilized voltage and current source body, through multiple air outlet fans rotation can discharge the air in the direct current stabilized voltage and current source body through the air outlet hole, thereby cooling the direct current stabilized voltage and current source body;

[0017] 2, through multiple sliding blocks reverse translation can drive the dustproof board to shield the air inlet cylinder and the air outlet cylinder, prevent when the direct current stabilized voltage and current source body is in idle state external dust enters the direct current stabilized voltage and current source body through the air inlet hole or the air outlet hole, reduce the frequency that worker cleans the direct current stabilized voltage and current source body inside, through the sliding block reverse translation can make the sliding block away from the top cap, through the spring thrust to the top cap can drive the top cap reverse translation, through the top cap reverse translation can drive the second copper sheet away from the first copper sheet, through the second copper sheet away from the first copper sheet can make multiple air inlet motors and multiple air outlet motors power off. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the first perspective view of the utility model's three-dimensional schematic diagram;

[0019] Figure 2 It is the second perspective view of the utility model's three-dimensional schematic diagram;

[0020] Figure 3 It is Figure 2 The enlarged schematic diagram of A in middle;

[0021] Figure 4 It is the third perspective view of the utility model's three-dimensional schematic diagram;

[0022] Figure 5 It is Figure 4 The enlarged schematic diagram of B in middle;

[0023] Figure 6 It is the internal three-dimensional schematic diagram of the utility model.

[0024] In the figure: 1, DC voltage stabilizing and current stabilizing power supply main body; 2, limiting plate; 3, servo motor; 4, air inlet cylinder; 5, air inlet hole; 6, dustproof plate; 7, sliding block; 8, screw rod; 9, light pole; 10, first copper sheet; 11, second copper sheet; 12, mounting plate; 13, first fire line; 14, second fire line; 15, fixed plate; 16, guide rod; 17, spring; 18, top hat; 19, air inlet fan; 20, air inlet motor; 21, air inlet frame; 22, air outlet fan; 23, air outlet motor; 24, air outlet frame; 25, rotating shaft; 26, first bevel gear; 27, second bevel gear; 28, air outlet cylinder; 29, air outlet hole; 30, support plate. DETAILED DESCRIPTION

[0025] In order to better explain the utility model, so as to facilitate understanding, the following specific embodiments, combined with the drawings, the utility model is described in detail.

[0026] As Figures 1-6The utility model provides a kind of DC voltage-stabilized current-stabilized power supply, including DC voltage-stabilized current-stabilized power supply main body 1, DC voltage-stabilized current-stabilized power supply main body 1 left wall is communicated with multiple air inlet tubes 4, DC voltage-stabilized current-stabilized power supply right wall is communicated with multiple air outlet tubes 28, DC voltage-stabilized current-stabilized power supply left and right two side walls are fixed with a pair of limit plate 2, a pair of limit plate 2 between fixed with light pole 9, multiple sliding blocks 7 are slidably arranged on light pole 9, a pair of limit plate 2 between rotationally arranged with screw rod 8, screw rod 8 is threadedly connected with multiple sliding blocks 7, the bottom surface of sliding block 7 is fixed with dustproof plate 6, dustproof plate 6 can shield air inlet tube 4 and air outlet tube 28, the inner surface of air inlet tube 4 is fixed with air inlet rack 21, air inlet rack 21 is fixed with air inlet motor 20, the driving end of air inlet motor 20 is fixed with air inlet fan 19, the inner surface of air outlet tube 28 is fixed with air outlet rack 24, air outlet rack 24 is fixed with air outlet motor 23, the driving end of air outlet motor 23 is fixed with air outlet fan 22, one of sliding blocks 7 and one of limit plate 2 are provided with fan switch structure, fan switch structure can control air inlet fan 19 and air outlet fan 22 to be opened simultaneously or closed;Fan switch structure includes first copper sheet 10, first copper sheet 10 is fixed on limit plate 2, the side wall surface of DC voltage-stabilized current-stabilized power supply main body 1 is fixed with fixed plate 15, fixed plate 15 is slidably arranged with guide rod 16, one end of guide rod 16 is fixed with mounting plate 12, mounting plate 12 is fixed with second copper sheet 11, first copper sheet 10 is electrically connected with first live wire 13, second copper sheet 11 is electrically connected with second live wire 14, when first copper sheet 10 and second copper sheet 11 contact, air inlet fan 19 and air outlet fan 22 can be opened simultaneously, when first copper sheet 10 and second copper sheet 11 are disconnected, air inlet fan 19 and air outlet fan 22 can be closed simultaneously;The other end of guide rod 16 is fixed with top hat 18, spring 17 is sleeved on guide rod 16, and spring 17 is tightly pressed against top hat 18;The rear wall surface of DC voltage-stabilized current-stabilized power supply main body 1 is fixed with a pair of support plates 30, a pair of support plates 30 are rotationally arranged with rotating shaft 25, the two ends of rotating shaft 25 are both fixed with first bevel gear 26, one end of screw rod 8 is fixed with second bevel gear 27, first bevel gear 26 is engaged with second bevel gear 27;Servo motor 3 is fixed on limit plate 2, and the driving end of servo motor 3 is fixedly connected with one end of screw rod 8;Multiple air inlet motors 20 are connected in parallel, multiple air outlet motors 23 are connected in parallel, multiple air inlet motors 20 and multiple air outlet motors 23 are connected in parallel;The end surface of air inlet tube 4 is provided with a plurality of air inlet holes 5;The end surface of air outlet tube 28 is provided with a plurality of air outlet holes 29;Two screw rods 8 are mutually symmetrical.

[0027] In use, the two lead screws 8 are simultaneously rotated by engaging the two first bevel gears 26 with the two second bevel gears 27, the two lead screws 8 are rotated by starting the servo motor 3, the plurality of sliding blocks 7 are translated by the rotation of the two lead screws 8, the dustproof plate 6 is moved away from the air inlet cylinder 4 and the air outlet cylinder 28 by the translation of the plurality of sliding blocks 7, the sliding block 7 is in contact with the top cap 18 and the top cap 18 is translated by the translation of the sliding block 7, the second copper sheet 11 is in contact with the first copper sheet 10 by the translation of the top cap 18, the second live wire 14 is electrically connected with the first live wire 13 by the contact between the second copper sheet 11 and the first copper sheet 10, the plurality of air inlet motors 20 and the plurality of air outlet motors 23 are started by the electrical connection between the second live wire 14 and the first live wire 13, the plurality of air inlet fans 19 and the plurality of air outlet fans 22 are rotated by starting the plurality of air inlet motors 20 and the plurality of air outlet motors 23, the external air is sucked into the inside of the DC voltage stabilizing and current stabilizing power supply main body 1 through the air inlet hole 5 by the rotation of the plurality of air inlet fans 19, and the air in the inside of the DC voltage stabilizing and current stabilizing power supply main body 1 is discharged through the air outlet hole 29 by the rotation of the plurality of air outlet fans 22, so that the DC voltage stabilizing and current stabilizing power supply main body 1 is cooled.

[0028] After use, the two lead screws 8 are reversely rotated by reversing the servo motor 3, the plurality of sliding blocks 7 are reversely translated by the reverse rotation of the two lead screws 8, the air inlet cylinder 4 and the air outlet cylinder 28 are shielded by the plurality of sliding blocks 7, so that the external dust is prevented from entering the inside of the DC voltage stabilizing and current stabilizing power supply main body 1 through the air inlet hole 5 or the air outlet hole 29 when the DC voltage stabilizing and current stabilizing power supply main body 1 is in an idle state, the frequency of cleaning the inside of the DC voltage stabilizing and current stabilizing power supply main body 1 by workers is reduced, the sliding block 7 is moved away from the top cap 18 by the reverse translation of the sliding block 7, the top cap 18 is reversely translated by the pushing force of the spring 17 to the top cap 18, the second copper sheet 11 is moved away from the first copper sheet 10 by the reverse translation of the top cap 18, the plurality of air inlet motors 20 and the plurality of air outlet motors 23 are powered off by the second copper sheet 11 moving away from the first copper sheet 10, and the plurality of air inlet fans 19 and the plurality of air outlet fans 22 are stopped by the power-off of the plurality of air inlet motors 20 and the plurality of air outlet motors 23.

[0029] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can make changes, modifications, replacements and changes to the above-mentioned embodiments, which all belong to the range of the utility model.

Claims

1. A DC regulated and stabilized power supply comprising a DC regulated and stabilized power supply main body (1), characterized by, The left wall of the direct current voltage-stabilized current-stabilized power supply main body (1) is communicated with multiple air inlet tubes (4), the right wall of the direct current voltage-stabilized current-stabilized power supply is communicated with multiple air outlet tubes (28), both left and right side walls of the direct current voltage-stabilized current-stabilized power supply are fixedly provided with a pair of limiting plates (2), a light rod (9) is fixedly arranged between the pair of limiting plates (2), multiple sliding blocks (7) are slidably arranged on the light rod (9), a screw rod (8) is rotatably arranged between the pair of limiting plates (2), the screw rod (8) is threadedly connected with the multiple sliding blocks (7), a dustproof plate (6) is fixedly arranged on the bottom surface of the sliding block (7), the dustproof plate (6) can shield the air inlet tubes (4) and the air outlet tubes (28), an air inlet frame (21) is fixedly arranged on the inner surface of the air inlet tube (4), an air inlet motor (20) is fixedly arranged on the air inlet frame (21), an air inlet fan (19) is fixedly arranged on the driving end of the air inlet motor (20), an air outlet frame (24) is fixedly arranged on the inner surface of the air outlet tube (28), an air outlet motor (23) is fixedly arranged on the air outlet frame (24), an air outlet fan (22) is fixedly arranged on the driving end of the air outlet motor (23), a fan switch structure is arranged between one of the sliding blocks (7) and one of the limiting plates (2), and the fan switch structure can control the air inlet fan (19) and the air outlet fan (22) to be simultaneously turned on or turned off.

2. The direct-current stabilized power supply according to claim 1, characterized by The fan switch structure comprises a first copper sheet (10), the first copper sheet (10) is fixedly arranged on the limiting plate (2), a fixed plate (15) is fixedly arranged on the side wall of the direct current voltage-stabilized current-stabilized power supply main body (1), a guide rod (16) is slidably arranged in the fixed plate (15), an installation plate (12) is fixedly arranged on one end of the guide rod (16), a second copper sheet (11) is fixedly arranged on the installation plate (12), a first live wire (13) is electrically connected with the first copper sheet (10), a second live wire (14) is electrically connected with the second copper sheet (11), the air inlet fan (19) and the air outlet fan (22) can be simultaneously turned on after the first copper sheet (10) and the second copper sheet (11) are contacted, and the air inlet fan (19) and the air outlet fan (22) can be simultaneously turned off after the first copper sheet (10) and the second copper sheet (11) are disconnected.

3. The direct current stabilized power supply according to claim 2, characterized in that The other end of the guide rod (16) is fixedly provided with a top hat (18), a spring (17) is sleeved on the guide rod (16), and the spring (17) abuts against the top hat (18).

4. The direct-current stabilized power supply according to claim 1, characterized by, A pair of support plates (30) are fixedly arranged on the rear wall of the direct current voltage-stabilized current-stabilized power supply main body (1), a rotating shaft (25) is rotatably arranged between the pair of support plates (30), first bevel gears (26) are fixedly arranged on both ends of the rotating shaft (25), and a second bevel gear (27) is fixedly arranged on one end of the screw rod (8).

5. The direct current voltage and current stabilizer of claim 1, wherein A servo motor (3) is fixedly arranged on the limiting plate (2), and the driving end of the servo motor (3) is fixedly connected with one end of the screw rod (8).

6. The direct-current stabilized power supply according to claim 1, characterized by A plurality of said air inlet motors (20) are connected in parallel, a plurality of said air outlet motors (23) are connected in parallel, and a plurality of said air inlet motors (20) are connected in parallel with a plurality of said air outlet motors (23).

7. The direct-current stabilized power supply according to claim 1, characterized by, The end face of the air inlet cylinder (4) is provided with a plurality of air inlet holes (5).

8. The direct-current stabilized power supply according to claim 1, characterized by, The end face of the air outlet cylinder (28) is provided with a plurality of air outlet holes (29).

9. The direct-current stabilized power supply according to claim 1, characterized by, The two lead screws (8) are symmetrical to each other.

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