CN113260210B

CN113260210B - High-protection output power supply with self-adaptive system

Info

Publication number: CN113260210B
Application number: CN202110533358.0A
Authority: CN
Inventors: 刘克; 刘纬哲; 刘书怡
Original assignee: Yueqing Ming Wei Electric Technology Co ltd
Current assignee: Zhejiang Maiwei Electric Technology Co.,Ltd.
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2022-05-27
Anticipated expiration: 2041-05-17
Also published as: CN113260210A

Abstract

The invention discloses a high-protection output power supply with a self-adaptive system, which is characterized in that: the method comprises the following steps: the self-adaptive wire locking device comprises a power box body, a wire locking head which is positioned on the power box body and can adjust the opening direction in a self-adaptive rotating mode, a self-adaptive rotating device for the wire locking head, and a heat dissipation cavity with a vortex-shaped heat dissipation sheet and a heat dissipation fan; compared with the prior art, the wire locking head with the self-adaptive angle adjustment function is arranged on the power box body, the entering direction of a cable outside an opening of the wire locking head is always downward, rainwater is prevented from directly falling into the opening, the circuit board element in the circuit cavity on the other side of the radiating fin can be better radiated through the arrangement of the radiating cavity and the internal structure comprising the vortex-shaped radiating fin and the radiating fan, the blades of the air outlet are arranged, the outlet can be opened when the fan is started, the fan is closed, the air outlet is closed at the same time, and impurities such as dust and small insects are prevented from flying into the radiating cavity.

Description

High-protection output power supply with self-adaptive system

Technical Field

The invention relates to the technical field of switching power supplies, in particular to a high-protection output power supply with a self-adaptive system.

Background

A switching power supply, also called an exchange power supply or a switching converter, is a high-frequency power conversion device. The switch power supply is a power supply which utilizes the modern power electronic technology to control the on-off time ratio of a switch tube and maintain stable output voltage. At present, the switching power supply is widely applied to the fields of industrial automation control, military equipment, scientific research equipment, LED illumination, industrial control equipment, communication equipment, power equipment and the like.

The industrial switching power supply often works outdoors due to severe working environment, often causes the switching power supply to be damaged due to rain wash or lightning breakdown, reduces the service life of the switching power supply, and increases the later maintenance cost. The existing switching power supply is provided with a waterproof measure on the shell, but the waterproof effect is not obvious because the waterproof facility is too simple and crude, and in addition, the heat dissipation effect is greatly weakened when part of the waterproof facility enables the sealing performance of the shell to be better, so that the internal circuit device is more easily damaged due to untimely heat dissipation, and the effect of prolonging the service life of the switching power supply is not achieved.

Therefore, how to provide a high-protection output power supply with an adaptive system becomes a technical problem to be solved urgently by those skilled in the art.

Disclosure of Invention

The invention aims to provide a high-protection output power supply with a self-adaptive system, and aims to solve the problems that the existing switching power supply in the background art is poor in performance of preventing rain and water and impurities from entering a power supply box, poor in heat dissipation and the like.

In order to achieve the purpose, the invention provides the following technical scheme: a high protection output power supply with an adaptive system is characterized in that: the method comprises the following steps:

the power supply box comprises a power supply box body, wherein one end of the power supply box body is of a box-shaped structure and is provided with a wire holder, a plurality of wire locking heads are arranged on the wire holder side by side, and the surface of the power supply box body is provided with an opening for ventilation and heat dissipation;

the locking wire head is a locking wire body which is provided with a sealing structure and can lock a cable, and the locking wire body can be used for simultaneously communicating a circuit when being locked, the tail end of the locking wire body is fixedly provided with the cable communicated with a circuit main board in the power box body, the front end of the locking wire body is provided with an opening for the cable to extend into, the elastic contraction locking wire mechanism is also arranged in the locking wire body, the elastic contraction locking wire mechanism comprises a locking wire body, an expansion piece and an elastic piece I, two ends of the elastic piece I respectively abut against the expansion piece and the locking wire body and are used for elastically retracting the expansion piece into the locking wire body, the tail end of the expansion piece is provided with a push rod, the end part of the push rod abuts against a plurality of contraction pieces which abut against the locking wire body, and one side of the contraction piece, which faces towards the cable, is provided with a plurality of locking wire columns;

self-adaptation rotary device has elastic rotation hold mechanism and angular adjustment mechanism, sets up and is used for driving the locking thread head unified and fixed orientation rotational positioning on the connection terminal, elastic rotation hold mechanism including the pivot of connecting the locking thread head, drive the locking thread head rotation towards relative self-adaptation rotary device fixed angle's elastic component two, the elastic component two-purpose is used for driving the opening of locking thread head towards predetermined direction, angular adjustment mechanism includes elastic component three, pull rod, the elastic component three way is used for elasticity to regain the pull rod, the one end of pull rod is located self-adaptation rotary device, and a plurality of card post phase-matchs that the other end set up on other end and the power pack body make self-adaptation rotary device and power pack body circumference fixed after the pull rod resets.

Preferably, a sealing element is further arranged between the telescopic piece and the cable locking body, and the sealing element is deformed and pressed towards the cable to form sealing under the extrusion of the telescopic piece driven by the elastic piece I.

Preferably, the inner chamber of power pack body is separated for circuit chamber and heat dissipation chamber through the fin, the heat dissipation intracavity is provided with radiator fan, circuit board is located interior circuit chamber, circuit board covers through sealed glue, and its heat production part all hugs closely the fin setting.

Preferably, the heat dissipation fins are arranged in a vortex shape, and the rotation distribution direction of the heat dissipation fins is opposite to the positive rotation direction of the heat dissipation fan and opposite to the heat dissipation fan.

Preferably, the opening edge is extended to the protrusion and provided with an arc edge, the air outlet of the heat dissipation cavity is provided with blades, the cross section of each blade transversely penetrates through the rotary supporting shaft in the middle of the wavy shape, the rotary supporting shaft is connected with a driving unit, and the driving unit drives the blades to rotate to open the air outlet after the cooling fan is started.

Preferably, the power supply box body is provided with a plurality of S-shaped caulking grooves which are parallel to each other, and the caulking grooves are used for clamping cables during wiring.

Compared with the prior art, the invention has the beneficial effects that: the switching power supply is provided with a switching power supply,

1. by arranging the wire locking head with the self-adaptive angle adjustment function on the power box body, after the power switch box is installed, no matter the direction of the installation angle of the power box body relative to the ground, a user only needs to perform the adaptive adjustment through the angle adjustment mechanism, the elastic rotation retaining mechanism can ensure that the entering direction of an opening external cable of the wire locking head is always downward through the elastic retaining mechanism, and rainwater is prevented from falling into the opening;

2. through the arrangement of the elastic mechanism of the wire locking head, when the cable locking device is used, only the cable after being stripped needs to be inserted, the telescopic block is loosened, and the cable can be locked and sealed based on the arrangement of the elastic piece I, so that the use is convenient;

3. after the cable is locked, the cable locking head is loosened, the second elastic piece based on the elastic rotation retaining mechanism drives the cable locking head to rotate to realize that the opening faces downwards, and the facing directions of all the cable locking heads are unified, so that the appearance is attractive;

4. through heat dissipation chamber and inner structure including swirl form fin, radiator fan's setting, can be better dispel the heat to the circuit board component of fin opposite side circuit intracavity, the blade setting of its air outlet can open the export when the fan starts, and the air outlet is closed simultaneously to the fan closure, avoids debris such as dust, little worm to fly into the heat dissipation chamber.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic structural diagram of the thread locking head of the present invention.

Fig. 3 is a schematic structural diagram of the adaptive rotation device of the present invention.

Fig. 4 is a schematic view of a heat dissipation design structure of the present invention.

FIG. 5 is an enlarged view of the invention at A in FIG. 4.

Fig. 6 is a schematic view of a heat dissipation structure according to the present invention.

In the figure: 1. a power pack body; 11. a heat sink; 12. a circuit cavity; 13. a heat dissipation cavity; 131. a heat radiation fan; 133. a blade; 134. rotating the support shaft; 18. clamping the column; 2. a wire holder; 3. a wire locking head; 31. a locking wire body; 6. an adaptive rotation device; 62. an angle adjusting mechanism; 63. a second elastic piece; 64. a rotating shaft; 67. an elastic member III; 68. a pull rod; 7. an elastic contraction wire locking mechanism; 71. a telescoping member; 72. a first elastic part; 73. a push rod; 74. a constriction; 75. a wire locking post; 76. a seal member; 8. an opening; 9. a cable.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a high protection output power supply with an adaptive system is characterized in that: the method comprises the following steps:

the power supply box comprises a power supply box body 1, wherein a wire holder 2 is arranged at one end of the power supply box body in a box-shaped structure, a plurality of wire locking heads 3 are arranged on the wire holder 2 side by side, and openings for ventilation and heat dissipation are formed in the surface of the power supply box body 1;

the locking wire head 3 is a locking wire body 31 which is provided with a sealing structure and can lock a cable 9 and lock the cable while communicating a circuit, the tail end of the locking wire body 31 is fixedly provided with the cable 9 communicated with a circuit main board in the power box body 1, the front end of the locking wire body is provided with an opening 8 for the cable 9 to extend into, the elastic contraction locking wire mechanism 7 is further arranged in the locking wire body, the elastic contraction locking wire mechanism 7 comprises the locking wire body 31, an expansion piece 71 and an elastic piece 72, two ends of the elastic contraction locking wire mechanism are respectively abutted against the expansion piece 71 and the locking wire body 31 and used for elastically retracting the expansion piece 71 into the locking wire body 31, the tail end of the expansion piece 71 is provided with a push rod 73, the end part of the push rod 73 is abutted against provided with a plurality of contraction pieces 74 abutted against the locking wire body 31, and one side of the contraction pieces 74 facing the cable 9 is provided with a plurality of locking wire columns 75;

self-adaptation rotary device 6 has elastic rotation hold mechanism and angle adjustment mechanism 62, sets up and is used for driving the uniform and fixed orientation rotational positioning of lockwire head 3 on connection terminal 2, elastic rotation hold mechanism including the pivot 64 of connecting lockwire head 3, drive the rotatory elastic component two 63 towards the fixed angle of relative self-adaptation rotary device 6 of lockwire head 3, elastic component two 63 are used for driving the opening of lockwire head 3 towards predetermined direction, angle adjustment mechanism 62 includes elastic component three 67, pull rod 68, elastic component three 67 is used for elasticity to withdraw pull rod 68, the one end of pull rod 68 is located self-adaptation rotary device 6, and the other end and a plurality of card posts 18 phase-match that set up on the power pack body 1 make self-adaptation rotary device 6 and power pack body 1 circumference fixed after pull rod 68 resets.

Preferably, a sealing member 76 is further disposed between the telescopic member 71 and the cable-locking body 31, and the sealing member 76 is deformed to seal against the cable 9 under the compression of the telescopic member 71 driven by the first elastic member 72.

Preferably, the inner cavity of the power supply box body 1 is separated into a circuit cavity 12 and a heat dissipation cavity 13 through a heat dissipation sheet 11, a heat dissipation fan 131 is arranged in the heat dissipation cavity 13, the circuit main board is located in the inner circuit cavity 12, the circuit main board is covered through a sealant, and heat generating components of the circuit main board are tightly attached to the heat dissipation sheet 11.

Preferably, the heat dissipation fins 11 are arranged in a swirl distribution with a rotation distribution direction facing the normal rotation direction of the heat dissipation fan 131 and facing the heat dissipation fan 131.

Preferably, the opening edge is extended to be provided with an arc edge in a protruding manner, the air outlet of the heat dissipation cavity 13 is provided with a blade 133, the cross section of the blade 133 is a wavy middle portion and transversely penetrates through a rotating support shaft 134, the rotating support shaft 134 is connected with a driving unit, and the driving unit drives the blade 133 to rotate to open the air outlet after the heat dissipation fan 131 is started.

Preferably, be equipped with a plurality of "S" type caulking grooves that are parallel to each other on the power pack body 1, the caulking groove is used for blocking the cable when the wiring, and the caulking groove sets up on the surface of power pack body 1, and when needs blocked the cable, operating personnel only need press the cable into the caulking groove along the shape of caulking groove, and based on the shape of caulking groove, the cable has certain friction fixing power when being pulled, therefore avoids being pulled.

As shown in FIG. 1, one end of the box body of the switching power supply of the scheme is provided with the wire locking head 3 side by side, the side surface is provided with the angle adjusting mechanism 62 for controlling the angle of the wire locking head 3, as shown in fig. 3, the angle adjusting mechanism 62 is composed of a pull rod 68 and an elastic member three 67, the end of the pull rod 68 is provided with a groove matched with the rotating shaft 64 for circumferential fixation, the working principle is that when the angle of the locking thread end 3 needs to be adjusted, the pull rod 68 is pulled outwards, so that the tail end of the pull rod 68 is separated from the clamping column 18, the opening direction of the locking thread end 3 can be adjusted by rotating the rotating shaft 64, the pull rod 68 is loosened after the adjustment is in place, the pull rod 68 is driven to be clamped with the end face of the rotating shaft 64 based on the deformation of the elastic piece III 67, the rotating shaft 64 is fixed relative to the power box body 1, at the moment, the wire locking heads 3 are elastically reset and uniformly arranged under the action of the second elastic part 63, and the second elastic part 63 can adopt a coil spring or a reed;

as shown in fig. 2, the locking thread end 3 of the present invention is in a circular tube shape, the telescopic member 71 is pulled out to enter the cable 9 into the locking thread end 3 to drive the contraction member 74 with an inclined angle surface to slide relative to the locking thread body 31, and the opening is opened movably, so that the front end of the cable 9 is abutted against the locking thread body 31, and the locking thread pillar 75 on the elastic contraction member 74 based on the first elastic member 72 is abutted against the outer surface of the cable 9, so that the cable 9 is stably fixed in the locking thread end 3, when the cable needs to be pulled out, the telescopic member 71 is pulled outwards, when the push rod 73 of the telescopic member 71 no longer limits the contraction member 74, the contraction member 74 loses the locking force to the cable 9, the cable 9 can be taken down easily, otherwise, the elastic contraction member 74 based on the first elastic member 72 limits the locking thread to keep the installation and fixation of the locking thread end 3 to the cable 9, and it is worth noting that the contraction member 71 in the present invention is not in an integral annular structure, the telescopic part 71 is designed to be formed by combining a plurality of small blocks, two adjacent telescopic parts 71 can be inserted in a staggered mode without interference, and secondly, the abutting end faces of the telescopic parts 71 and the push rods 73 are provided with steps distributed in an inclined plane mode, and the steps limit radial movement of the telescopic parts 74 under the action that the telescopic parts 71 are not pulled.

The sealing element 76 is arranged in the wire locking head 3 and is positioned between the telescopic piece 71 and the wire locking body 31, after the cable 9 is inserted and loosened from the telescopic piece 71, the sealing element 76 is clamped and deformed by the telescopic piece 71 and the wire locking body 31 under the elastic force of the elastic piece 72, and is deformed towards the only opening and is abutted against the outer surface of the cable 9 to form a sealing structure, so that rainwater and moisture are further prevented from entering the connecting part.

The power supply box body 1 is divided into a double-cavity structure, a circuit board in a circuit cavity 12 can be completely sealed in a glue filling mode as shown in fig. 4, a heat dissipation fan 131 is arranged in a heat dissipation cavity 13, a heat dissipation fin 11 which rotates in a vortex mode is arranged aiming at the heat dissipation fan 131, the heat dissipation fin 11 is arranged in a vortex mode and matched with the blade rotation of the heat dissipation fan 131, so that wind power stirred by the fan 131 rotates along the heat dissipation fin 11, the heat dissipation effect is enhanced as shown in fig. 6, then the blade of a ventilation opening is arranged in an S shape, the space is sealed when the heat dissipation fan 131 is not started as shown in fig. 5, the entering of sundries is reduced as far as possible, and only when the fan is started, the wind blowing outwards at the moment also prevents the entering of the sundries.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A high protection output power supply with an adaptive system is characterized in that: the method comprises the following steps:

the power supply box comprises a power supply box body (1), wherein one end of the power supply box body (1) is of a box-shaped structure, a wire holder (2) is arranged, a plurality of wire locking heads (3) are arranged on the wire holder (2) side by side, and an opening for ventilation and heat dissipation is formed in the surface of the power supply box body (1);

the locking wire head (3) is a locking wire body (31) which is provided with a sealing structure and can lock a cable (9), and can simultaneously connect a circuit when being locked, the tail end of the locking wire body (31) is fixedly provided with the cable (9) which is communicated with a circuit main board in the power box body (1), the front end of the locking wire body is provided with an opening (8) for the cable (9) to extend into, the interior of the locking wire body is also provided with an elastic contraction locking wire mechanism (7), the elastic contraction locking wire mechanism (7) comprises the locking wire body (31), a telescopic piece (71), the tail end of which one end is abutted against the telescopic piece (71) to extend into the opening (8), and the other end of which is abutted against the end part of the locking wire body (31) which is positioned at the opening, and is used for elastically retracting the telescopic piece (71) into the locking wire body (31), the tail end of the telescopic piece (71) is provided with a push rod (73), and the end part of the push rod (73) is abutted against a plurality of contraction pieces (74) abutted against the locking wire body (31), one side of the contraction piece (74) facing the cable (9) is provided with a plurality of wire locking columns (75); the locking thread head (3) is in a circular tube shape, the telescopic piece (71) is pulled out, the cable (9) is placed in the locking thread head (3) to drive the contraction piece (74) with the inclined angle surface to slide relative to the locking thread body (31), the opening (8) is movably opened, the front end of the cable (9) is abutted against the locking thread body (31), meanwhile, the locking thread column (75) on the elastic contraction piece (74) based on the elastic piece I (72) is abutted against the outer surface of the cable (9), the cable (9) is stably fixed in the locking thread head (3), when the cable needs to be pulled out, the telescopic piece (71) is pulled outwards, the push rod (73) of the telescopic piece (71) does not limit the contraction piece (74), the contraction piece (74) loses the locking force for the cable (9), and the cable (9) can be easily taken down;

the self-adaptive rotating device (6) is provided with an elastic rotating retaining mechanism and an angle adjusting mechanism (62), and is arranged on the wire holder (2) and used for driving the wire locking heads (3) to be uniformly and fixedly positioned towards rotation, the elastic rotating retaining mechanism comprises a rotating shaft (64) connected with the wire locking heads (3) and an elastic piece II (63) driving the wire locking heads (3) to rotate towards a fixed angle relative to the self-adaptive rotating device (6), the elastic piece II (63) is used for driving the opening of the wire locking heads (3) to face a preset direction, the angle adjusting mechanism (62) comprises an elastic piece III (67) and a pull rod (68), the elastic piece III (67) is used for elastically retracting the pull rod (68), one end of the pull rod (68) is positioned in the self-adaptive rotating device (6), and the other end of the pull rod (68) is matched with a plurality of clamping columns (18) arranged on the power box body (1), after the pull rod (68) is reset, the self-adaptive rotating device (6) and the power box body (1) are circumferentially fixed.

2. The high protection output power supply with the adaptive system according to claim 1, wherein: and a sealing element (76) is further arranged between the telescopic piece (71) and the wire locking body (31), and the sealing element (76) is deformed and pressed to the cable (9) to form sealing under the extrusion of the telescopic piece (71) driven by the elastic piece I (72).

3. The high protection output power supply with the adaptive system according to claim 1, wherein: the inner chamber of power pack body (1) passes through fin (11) and separates for circuit chamber (12) and heat dissipation chamber (13), be provided with radiator fan (131) in heat dissipation chamber (13), circuit board is located interior circuit chamber (12), circuit board covers through sealed glue, and its heat production part all hugs closely fin (11) setting.

4. A high protection output power supply with an adaptive system according to claim 3, wherein: the radiating fins (11) are arranged to be vortex-shaped distributed fins, the rotating distribution direction of the radiating fins is opposite to the forward rotation direction of the radiating fan (131), and the radiating fins are opposite to the radiating fan (131).

5. A high protection output power supply with an adaptive system according to claim 3, wherein: the opening edge is extended to the protrusion and is provided with the arc limit, the air outlet in heat dissipation chamber (13) is provided with blade (133), blade (133) cross-section is wavy middle part and transversely runs through rotation support shaft (134), rotation support shaft (134) are connected and are provided with drive unit, drive unit drives the rotation of blade (133) and opens the air outlet after radiator fan (131) start.

6. The high protection output power supply with the adaptive system according to claim 1, wherein: the power supply box is characterized in that a plurality of S-shaped caulking grooves which are parallel to each other are formed in the power supply box body (1), and the caulking grooves are used for clamping cables during wiring.