Low-interference linear power supply

Abstract

The utility model discloses a low-interference linear power supply, which comprises a linear power supply main body, two supporting wire winding frames are fixedly arranged at the two ends of the lower surface of the linear power supply main body, an input connecting wire and an output connecting wire are wound inside the supporting wire winding frames, and the input connecting wire and the output connecting wire are connected with the linear power supply main body. One end of the input connecting line is fixedly connected with a power interface, and one end of the output connecting line is fixedly connected with a power plug. According to the low-interference linear power supply provided by the utility model, the supporting winding frame plays a supporting role, and the input connecting line and the output connecting line can be wound, so that the input connecting line and the output connecting line are prevented from being wound and knotted, and the low-interference linear power supply is more convenient to use; an air channel is formed in the linear power supply main body through the air inlet device and the air outlet device, heat loss is accelerated, the effect of rapid heat dissipation is achieved, and a filtering structure is arranged.

Description

TECHNICAL FIELD

[0001] The utility model relates to linear power supply structure technical field especially relates to a low interference linear power supply. BACKGROUND

[0002] Linear power supply first reduces voltage through transformer, obtains pulse direct current after rectification through rectifier circuit, and finally obtains direct current voltage with tiny ripple voltage through filtering, and still needs to pass through voltage stabilizing circuit to stabilize voltage in order to reach high-precision direct current voltage, and low interference linear power supply is a kind of power supply system that provides stable, low-noise power supply.

[0003] The existing linear power supply has certain drawbacks when in use, the connecting line of the power interface of the traditional linear power supply and the power plug is easy to entangle and knot, and before using the linear power supply, it is always untied to use, and when cooling by fan, just simply blows into the linear power supply, discharges from the heat dissipation hole, cools, and the cooling speed is slow. UTILITY MODEL CONTENTS

[0004] The utility model mainly aims at providing a low interference linear power supply, can effectively solve the problem in the background art.

[0005] To achieve the above object, the technical scheme that the utility model adopts is as follows:

[0006] A low interference linear power supply, including linear power supply main part, the lower surface of linear power supply main part is fixedly installed with support winding frame at both ends, the support winding frame is provided with two, the inside of support winding frame is wound with input connecting line and output connecting line, one end of input connecting line is fixedly connected with power interface, one end of output connecting line is fixedly connected with power plug, the position of linear power supply main part one side near front end is embeddedly fixedly installed with air inlet device, the position of linear power supply main part one side near rear end is embeddedly fixedly installed with air outlet device, the front surface of linear power supply main part is embeddedly fixedly installed with display screen, the other end of input connecting line and output connecting line are all fixedly connected with the inside of linear power supply main part.

[0007] Preferably, the support winding frame includes a support leg, a winding rod, a U-shaped clamping frame, a disc, a fixed short rod, a movable short sleeve, and a rubber pad.

[0008] Preferably, the support leg is fixedly installed at the corners of the lower surface of the linear power supply main body, the winding rod is inserted into the through hole on the side of the support leg, the U-shaped clamping frame is embeddedly fixedly installed on the outer side of the winding rod near one end, the disc is fixedly installed on one end of the winding rod, the fixed short rod is fixedly installed on the front surface of the disc near the edge, the movable short sleeve is sleeved on the outer side of the fixed short rod, and the rubber pad is fixedly installed on the lower surface of the support leg.

[0009] Preferably, the air inlet device comprises a first round frame, a first screw, an air inlet fan and a first filter screen.

[0010] Preferably, the first round frame is embedded on one side of the linear power supply body close to the front end, the first screw is fixedly installed in the through holes on the four corners of the front surface of the first round frame, the air inlet fan is fixedly installed in the interior of the first round frame, and the first filter screen is fixedly installed on the front surface of the air inlet fan.

[0011] Preferably, the air outlet device comprises a second round frame, a second screw, an air outlet fan and a second filter screen.

[0012] Preferably, the second round frame is embedded on the other side of the linear power supply body close to the rear end, the second screw is fixedly installed in the through holes on the four corners of the second round frame, the air outlet fan is fixedly installed in the interior of the second round frame, and the second filter screen is fixedly installed on the front surface of the air outlet fan.

[0013] Compared with the prior art, the linear power supply has the following beneficial effects:

[0014] In the linear power supply, the supporting wire winding frame plays a supporting role, can wind the input connecting line and the output connecting line, avoids the input connecting line and the output connecting line from being wound and knotted, makes the low-interference linear power supply more convenient to use, the air inlet device and the air outlet device form air ducts in the interior of the linear power supply body, accelerate heat loss, play a role in rapid heat dissipation, and have a filtering structure. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front surface visible overall structure schematic view of the linear power supply with low interference;

[0016] Figure 2 It is a rear surface visible overall structure schematic view of the linear power supply with low interference;

[0017] Figure 3 It is an air inlet device and air outlet device structure exploded schematic view of the linear power supply with low interference;

[0018] Figure 4 It is a supporting wire winding frame structure exploded schematic view of the linear power supply with low interference;

[0019] Figure 5 It is a front surface visible overall structure schematic view of the linear power supply with low interference; Figure 3 It is an enlarged schematic view of part A;

[0020] Figure 6The utility model discloses a low -interference's linear power supply Figure 3 The enlarged schematic view of part B in the middle;

[0021] Figure 7 The utility model discloses a low -interference's linear power supply Figure 4 The enlarged schematic view of part C in the middle.

[0022] In the drawing: 1, linear power supply main part; 2, support winding frame; 201, support foot; 202, winding rod; 203, U-shaped frame; 204, disc; 205, fixed short pole; 206, movable short sleeve; 207, rubber pad; 3, input connecting line; 4, output connecting line; 5, power supply interface; 6, power plug; 7, air inlet device; 701, first round frame; 702, first screw; 703, air inlet fan; 704, first filter screen; 8, air outlet device; 801, second round frame; 802, second screw; 803, exhaust fan; 804, second filter screen; 9, display screen. Specific embodiments

[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] As Figures 1-7 shown, a low -interference's linear power supply includes linear power supply main part 1, and the lower surface of linear power supply main part 1 is fixedly installed with support winding frame 2 at both ends, and the support winding frame 2 is provided with two, and the inside of support winding frame 2 is wound with input connecting line 3 and output connecting line 4, one end of input connecting line 3 is fixedly connected with power supply interface 5, one end of output connecting line 4 is fixedly connected with power plug 6, air inlet device 7 is embeddedly fixedly installed at the position close to the front end of one side of linear power supply main part 1, air outlet device 8 is embeddedly fixedly installed at the position close to the rear end of one side of linear power supply main part 1, display screen 9 is embeddedly fixedly installed on the front surface of linear power supply main part 1, the other end of input connecting line 3 and output connecting line 4 is fixedly connected with the inside of linear power supply main part 1, support winding frame 2 plays a supporting role, and can wind input connecting line 3 and output connecting line 4, avoid input connecting line 3 and output connecting line 4 to be wound and knotted, so that the low -interference's linear power supply is more convenient to use, and air inlet device 7 and air outlet device 8 make the inside of linear power supply main part 1 form air duct, accelerate heat loss, play the role of rapid heat dissipation, and have the structure of filtering.

[0025] In the embodiment, support winding frame 2 includes support foot 201, winding rod 202, U-shaped frame 203, disc 204, fixed short pole 205, movable short sleeve 206 and rubber pad 207.

[0026] In the embodiment, the support leg 201 is fixedly installed at the lower surface of the linear power supply body 1 at the four corners, the winding rod 202 is inserted into the through hole at the side of the support leg 201 at both ends, the U-shaped clamping frame 203 is embedded and fixedly installed at the outer side of the winding rod 202 close to one end, the disc 204 is fixedly installed at one end of the winding rod 202, the fixed short rod 205 is fixedly installed at the front surface of the disc 204 close to the edge, the movable short sleeve 206 is sleeved on the outer side of the fixed short rod 205, and the rubber pad 207 is fixedly installed at the lower surface of the support leg 201.

[0027] In the embodiment, the air inlet device 7 comprises a first round corner frame 701, a first screw 702, an air inlet fan 703 and a first filter screen 704.

[0028] In the embodiment, the first round corner frame 701 is embedded at one side of the linear power supply body 1 close to the front end, the first screw 702 is fixedly installed in the through hole at the four corners of the front surface of the first round corner frame 701, the air inlet fan 703 is fixedly installed in the inside of the first round corner frame 701, and the first filter screen 704 is fixedly installed at the front surface of the air inlet fan 703.

[0029] In the embodiment, the air outlet device 8 comprises a second round corner frame 801, a second screw 802, an air outlet fan 803 and a second filter screen 804.

[0030] In the embodiment, the second round corner frame 801 is embedded at the other side of the linear power supply body 1 close to the rear end, the second screw 802 is fixedly installed in the through hole at the four corners of the second round corner frame 801, the air outlet fan 803 is fixedly installed in the inside of the second round corner frame 801, and the second filter screen 804 is fixedly installed at the front surface of the air outlet fan 803.

[0031] It needs to be explained that the utility model discloses a low-interference linear power supply, when using, in support winding frame 2, support foot 201 play the role of support, the finger is across the movable short sleeve 206 and holds the fixed short pole 205, rotates the disc 204, and movable short sleeve 206 reduces the friction with fixed short pole 205, and winding rod 202 rotates along with it, after input connecting line 3 and output connecting line 4 fall off winding rod 202, power interface 5 and power plug 6 can be taken out from the U-shaped frame 203, after use, the rear end of power interface 5 and power plug 6 is reinserted into the inside of the U-shaped frame 203, and then winding rod 202 is rotated, and input connecting line 3 and output connecting line 4 are re-wound on the outside of winding rod 202, and rubber pad 207 plays the role of antiskid, and support winding frame 2 plays the role of support, and can wind input connecting line 3 and output connecting line 4, avoid input connecting line 3 and output connecting line 4 to be wound and knotted, so that the low-interference linear power supply is more convenient to use, in air inlet device 7 and air outlet device 8, air inlet fan 703 blows into linear power supply main body 1, and air outlet fan 803 blows outside linear power supply main body 1, and air inlet fan 703 and air outlet fan 803 form air duct, accelerate the heat dissipation of linear power supply main body 1, and no. Filter screen 704 and no. Filter screen 804 play the role of filtration, avoid garbage crumbs to be inhaled into the inside of linear power supply main body 1, and air inlet device 7 and air outlet device 8 make the inside of linear power supply main body 1 form air duct, accelerate heat loss, play the role of rapid heat dissipation, and have the structure of filtration.

[0032] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited to the above-described embodiments, and the above-described embodiments and descriptions in the specification are only illustrative of the principles of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A low-interference linear power supply, characterized by: The invention comprises a linear power supply body (1), wherein a support winding frame (2) is fixedly installed at both ends of the lower surface of the linear power supply body (1), and the support winding frame (2) is provided in two numbers. An input connection line (3) and an output connection line (4) are wound inside the support winding frame (2), one end of the input connection line (3) is fixedly connected to a power interface (5), and one end of the output connection line (4) is fixedly connected to a power plug (6). An air inlet device (7) is embedded and fixedly installed at a position near the front end of one side of the linear power supply body (1), and an air outlet device (8) is embedded and fixedly installed at a position near the rear end of one side of the linear power supply body (1). A display screen (9) is embedded and fixedly installed on the front surface of the linear power supply body (1), and the other ends of the input connection line (3) and the output connection line (4) are fixedly connected to the inside of the linear power supply body (1).

2. The low-interference linear power supply according to claim 1, characterized in that: The supporting winding frame (2) comprises a supporting foot (201), a winding rod (202), a U-shaped clamping frame (203), a disc (204), a fixed short rod (205), a movable short sleeve (206) and a rubber pad (207).

3. The low-interference linear power supply according to claim 2, characterized in that: The support legs (201) are fixedly mounted on the lower surface of the linear power supply body (1) at the four corners, the two ends of the winding rod (202) are inserted into the through holes on the side of the support legs (201), the U-shaped card frame (203) is embedded and fixedly mounted on the outer side of the winding rod (202) near one end, the disc (204) is fixedly mounted on one end of the winding rod (202), the fixed short rod (205) is fixedly mounted on the front surface of the disc (204) near the edge, the movable short sleeve (206) is sleeved on the outer side of the fixed short rod (205), and the rubber pad (207) is fixedly mounted on the lower surface of the support legs (201).

4. The low-interference linear power supply according to claim 3, characterized in that: The air inlet device (7) comprises a No. 1 rounded frame (701), a No. 1 screw (702), an air inlet fan (703) and a No. 1 filter (704).

5. The low-interference linear power supply according to claim 4, characterized in that: The first rounded corner frame (701) is embedded in a position near the front end of one side of the linear power supply body (1); the first screw (702) is fixedly installed in the through holes at the four corners of the front surface of the first rounded corner frame (701); the intake fan (703) is fixedly installed inside the first rounded corner frame (701); and the first filter (704) is fixedly installed on the front surface of the intake fan (703).

6. The low-interference linear power supply according to claim 5, characterized in that: The air outlet device (8) comprises a No. 2 rounded corner frame (801), a No. 2 screw (802), an exhaust fan (803) and a No. 2 filter (804).

7. The low-interference linear power supply according to claim 6, characterized in that: The second rounded corner frame (801) is embedded in a position near the rear end of the other side of the linear power supply body (1), the second screw (802) is fixedly installed in the through holes at the four corners of the second rounded corner frame (801), the exhaust fan (803) is fixedly installed inside the second rounded corner frame (801), and the second filter (804) is fixedly installed on the front surface of the exhaust fan (803).

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