CN113038810A - DC voltage-stabilized power supply - Google Patents
DC voltage-stabilized power supply Download PDFInfo
- Publication number
- CN113038810A CN113038810A CN202110441677.9A CN202110441677A CN113038810A CN 113038810 A CN113038810 A CN 113038810A CN 202110441677 A CN202110441677 A CN 202110441677A CN 113038810 A CN113038810 A CN 113038810A
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- Prior art keywords
- power supply
- heat dissipation
- plate
- supply body
- fixing bolt
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/56—Means for preventing chafing or fracture of flexible leads at outlet from coupling part
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/622—Screw-ring or screw-casing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
Abstract
The invention relates to a direct-current stabilized power supply, which relates to the technical field of direct-current stabilized power supplies and comprises a power supply body, wherein the power supply body comprises heat dissipation holes symmetrically arranged on two sides and a wiring terminal arranged on the front side surface, a wiring hole is formed in the wiring terminal, a connecting wire is inserted in the wiring hole, a heat dissipation device for enhancing heat dissipation is arranged on the power supply body, an air inlet hole is formed in the rear side surface of the power supply body, a threaded sleeve is sleeved on the connecting wire, the threaded sleeve is in threaded connection with the wiring terminal, and a telescopic sleeve for guiding the connecting wire is arranged at one end, away from the wiring terminal. The invention can effectively enhance the air flow speed, enhance the heat dissipation of the stabilized voltage supply and ensure the working stability of the stabilized voltage supply; simultaneously, the connecting wire can be supported at a position close to the plug connector while being fixed, so that the stability of the power supply in the using process is ensured.
Description
Technical Field
The invention relates to the technical field of direct-current stabilized power supplies, in particular to a direct-current stabilized power supply.
Background
The dc regulated power supply generally comprises a transformer, a rectifier, a filter and a regulator, wherein the transformer converts high-voltage ac into low-voltage ac required by the regulated power supply, the rectifier converts the withstand voltage ac into dc, the rectified dc is passed through a filter circuit to remove excess ac, and finally, the rectified dc is converted into stable dc voltage by the regulator for output. Dc regulated power supplies are widely used to power electronic devices.
The direct current stabilized voltage power supply can generate heat in the using process, so that the temperature of the stabilized voltage power supply is increased, and the use of the power supply is influenced. The conventional direct current stabilized voltage supply is generally provided with a plurality of radiating holes symmetrically on two sides of a power supply shell, so that heat generated by the power supply is radiated to the air, and the purpose of reducing the internal temperature of the power supply is achieved. In addition, the connecting wire of the stabilized voltage supply is easy to fall off when being pulled by external force; meanwhile, the plug connector part close to the connecting line is easy to break due to long-term bending and pulling force, so that potential safety hazards are caused.
The above prior art solutions have the following drawbacks: 1. when natural heat dissipation is carried out through the heat dissipation holes, heat is still easy to accumulate, the phenomenon that the temperature of the stabilized voltage power supply is too high is caused, and the environment which is not beneficial to the use of the stabilized voltage power supply is caused; 2. the connecting wire is easy to fall off and the part of the connecting wire close to the plug connector is easy to concentrate, stress and break, so that the voltage-stabilized power supply is unstable in use.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a direct-current stabilized power supply which can effectively enhance the air flow speed, enhance the heat dissipation of the stabilized power supply and ensure the working stability of the stabilized power supply; when fixing the connecting wire, can lead to the reinforcement to the position that the connecting wire is close to the bayonet joint to guarantee the stability in the power use.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a direct current regulated power supply, includes the power supply body, the louvre of both sides and the terminal of locating its leading flank are located including the symmetry to the power supply body, be equipped with the wiring hole on the terminal, it is equipped with the connecting wire to insert in the wiring hole, the power supply body is put on the shelf and is equipped with the radiating heat abstractor of reinforcing, the inlet port has been seted up to the power supply body trailing flank, the cover is equipped with the thread bush on the connecting wire, threaded connection between thread bush and the terminal, the one end that the terminal was kept away from to the thread bush is equipped with the flexible cover that supplies the connecting wire direction, and flexible cover locates on the. The connecting wire can be effectively fixed on the binding post through the threaded connection of the threaded sleeve and the binding post, so that the connection stability between the connecting wire and the power supply body is greatly improved; and the telescopic sleeve who is equipped with can carry out fine direction to the position that the connecting wire is close to the interface and support to the concentrated effect of power in the dispersion connecting wire use, thereby the life of better extension connecting wire.
The heat dissipation device comprises a mounting plate, a sliding rod, a sliding groove, a fixing bolt, a pressing spring, a pressing ring and a heat dissipation plate, wherein the mounting plate is arranged on the upper side of the power supply body and is mutually abutted with the upper side of the power supply body, the sliding rod is symmetrically arranged on two sides of the mounting plate and extends towards the direction away from the mounting plate, the sliding groove is arranged on the sliding rod and runs through the fixing plate along the vertical direction, the fixing bolt is arranged in the sliding groove in a penetrating mode, one end of the fixing bolt extends downwards, the heat dissipation plate is arranged at one end of the fixing bolt, one side of the heat dissipation plate is abutted to the heat dissipation hole, the pressing ring is sleeved on the fixing bolt and is located between the heat dissipation plate and the sliding rod, the pressing spring is sleeved on the fixing bolt. Through mutually supporting of the heating panel and the louvre that are equipped with among the heat abstractor, the heat that the power supply body produced makes the heat arrange to the air through the louvre under the air flow that the heating panel produced, and fresh air then enters into the power supply body from the inlet port inside, and is further, can effectively be with the temperature that reduces the power supply body, ensures the stability that the power supply body used.
As a preferred technical scheme of the invention, the heat dissipation plate comprises a rectangular plate, a rectangular groove and a heat dissipation fan, the rectangular plate is arranged at one end of the fixing bolt extending downwards and is in threaded connection with the fixing bolt, the heat dissipation fan for enhancing heat dissipation is embedded in the rectangular plate, the rectangular plate is symmetrically provided with the rectangular groove for mounting the heat dissipation fan, the rectangular groove and the heat dissipation holes are correspondingly arranged, hot air generated by the power supply body can be directly discharged into the air, and the heat dissipation fan is embedded along the rectangular groove, so that the heat dissipation fan is convenient to replace.
As a preferred technical scheme of the invention, the mounting plate is further provided with a tensioning mechanism for tensioning the heat dissipation plate, the tensioning mechanism comprises a tensioning block, a tensioning tension spring and a tensioning ring, the tensioning block is arranged at one end of the sliding rod and is fixedly arranged on the mounting plate, the tensioning ring is sleeved on the fixing bolt, one side of the tensioning ring is in abutting sliding contact with the upper side face of the sliding rod, one end of the tensioning tension spring is fixedly connected with the tensioning block, and the other end of the tensioning tension spring is fixedly connected with the tensioning ring. The tensioning ring arranged on the tensioning mechanism pulls the fixing bolt to one side of the mounting plate all the time under the action of the tension of the tensioning tension spring, so that the heat dissipation plate is better attached to the power supply body.
As a preferred technical scheme, one side of the power supply body, which is provided with the air inlet hole, is provided with a filter plate, the filter plate comprises a filter mounting plate and a filter screen, the filter mounting plate is fixedly arranged on the power supply body through bolts, the filter screen is embedded on the filter mounting plate, and the filter screen and the air inlet hole are arranged correspondingly. Can effectively block the dust granule in the air outside power body through being equipped with the filter to can guarantee when the heat dissipation, keep power body's clean environment.
As a preferred technical scheme of the invention, one side of the mounting plate, which is close to the power supply body, is provided with the anti-slip sheet, and one side of the anti-slip sheet, which is close to the power supply body, is provided with the grid groove, so that the friction force between the mounting plate and the power supply body can be effectively enhanced, the heat dissipation device can be better mounted on the power supply body, and meanwhile, the anti-slip sheet is made of rubber, so that the direct collision with the surface of the power supply body can be avoided, and the integrity of the power.
As a preferred technical scheme of the invention, one side of the rectangular plate close to the mounting main body is provided with a soft gasket for buffering the impact force, and the soft gasket can effectively buffer the impact force of the heat dissipation device on the power supply body, thereby achieving the purpose of protecting the power supply body.
As the preferable technical scheme of the invention, one side of the threaded sleeve, which is close to the binding post, is provided with the chamfer angle for guiding, when the threaded sleeve is screwed into the binding post, the binding post can firstly enter the threaded sleeve through the chamfer angle, so that the threaded sleeve is more convenient to mount.
In summary, the invention includes at least one of the following beneficial technical effects:
1. according to the direct-current stabilized voltage power supply, the heat dissipation fan and the air inlet hole are arranged on the heat dissipation device, so that air flow can be effectively enhanced, generated heat is discharged into the air along with the heat dissipation fan, and fresh air is continuously supplemented from the air inlet hole, so that the heat generated by the stabilized voltage power supply during working is effectively taken away, and the stability of the stabilized voltage power supply during working is ensured; the connecting wire can be effectively fixed on the binding post by the aid of the threaded sleeve, and the telescopic sleeve extends along the connecting wire, so that the connecting wire is reinforced, the phenomenon that the connecting wire is broken due to long-term stress at a position close to the plug connector is avoided, and stability of the voltage-stabilized power supply in use is improved;
2. according to the direct-current stabilized voltage power supply, the anti-slip sheets and the soft gaskets arranged on the mounting plate can effectively buffer the impact force of the heat dissipation device on the power supply body while enhancing the friction force, so that the power supply body is protected from being damaged while heat dissipation is effectively realized;
3. according to the direct-current stabilized voltage power supply, the filter screen arranged on the direct-current stabilized voltage power supply can effectively filter large-particle dust in the air, so that the influence of the power supply body on the normal use of the stabilized voltage power supply due to the fact that too much dust is sucked in the power supply body is avoided; meanwhile, the embedded design is adopted, so that the filter screen is convenient to replace.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partially enlarged schematic view at a in fig. 1.
Fig. 3 is a rear view structure diagram of the present invention.
Fig. 4 is a partially enlarged schematic view at B in fig. 3.
Fig. 5 is a schematic view of a threaded sleeve and its mounting structure.
Fig. 6 is a schematic diagram of a power supply body structure.
Fig. 7 is a schematic view of the structure of the anti-skid plate.
In the figure, 1, a power supply body; 11. heat dissipation holes; 12. a binding post; 121. a wiring hole; 1211. a connecting wire; 2. a heat sink; 13. an air inlet; 3. a threaded sleeve; 31. a telescopic sleeve; 21. mounting a plate; 22. a slide bar; 23. a chute; 24. fixing the bolt; 25. pressing the pressure spring; 26. pressing the ring; 27. a heat dissipation plate; 271. a rectangular plate; 272. a rectangular groove; 273. a heat radiation fan; 4. a tensioning mechanism; 41. a tensioning block; 42. tensioning the tension spring; 43. tensioning the ring; 5. a filter plate; 51. a filter mounting plate; 52. a filter screen; 6. anti-slip sheets; 61. a grid groove; 2711. a soft gasket; 32. and (6) chamfering.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-7, a dc regulated power supply includes a power supply body 1, the power supply body 1 includes heat dissipation holes 11 symmetrically disposed on two sides and a terminal 12 disposed on a front side thereof, the terminal 12 is provided with a wiring hole 121, a connection wire 1211 is inserted into the wiring hole 121, a heat dissipation device 2 for enhancing heat dissipation is mounted on the power supply body 1, an air inlet 13 is disposed on a rear side of the power supply body 1, a threaded sleeve 3 is sleeved on the connection wire 1211, the threaded sleeve 3 is slidably disposed between the connection wires 1211, the threaded sleeve 3 abuts against and is limited by a plug on the connection wire 1211, the threaded sleeve 3 is in threaded connection with the terminal 12, an expansion sleeve 31 for guiding the connection wire 1211 is disposed at one end of the threaded sleeve 3 away from the terminal 12, the expansion sleeve 31 is sleeved on the connection wire 1211 and is slidably disposed therewith, and the threaded sleeve 3 and the; one side that the thread bush 3 is close to the terminal 12 is equipped with the chamfer 32 that supplies the direction, and when the thread bush 3 was twisted into the terminal 12 on, the terminal 12 can take the lead and enter into the thread bush 3 through chamfer 32 to it is more convenient to make the installation of thread bush 3. During specific work, one end, provided with the chamfer 32, of the threaded sleeve 3 is manually rotated towards the threads on the outer wall of the terminal 12, so that the threaded sleeve 3 is fixedly connected with the terminal 12 in a threaded connection mode, the connection stability between the connecting line 1211 and the power supply body 1 is ensured, and in the process, the plug connector on the connecting line 1211 is firmly installed in the wiring hole 121 under the pressing of the threaded sleeve 3; meanwhile, the telescopic sleeve 31 can be stretched along the length direction of the connecting line 1211 while supporting and guiding the connecting line 1211 close to the interface, so that the protection length of the telescopic sleeve 31 on the connecting line 1211 can be changed.
The heat dissipation device 2 comprises a mounting plate 21, a sliding rod 22, a sliding groove 23, a fixing bolt 24, a pressing pressure spring 25, a pressing ring 26 and a heat dissipation plate 27, the mounting plate 21 is arranged on the upper side surface of the power supply body 1 and is abutted against the upper side surface, the sliding rod 22 is symmetrically arranged on two sides of the mounting plate 21 and extends towards the direction far away from the mounting plate 21, the sliding groove 23 is arranged on the sliding rod 22 and penetrates along the vertical direction, the fixing bolt 24 is arranged in the sliding groove 23 in a penetrating way, one end of the fixing bolt extends downwards, the heat dissipation plate 27 is arranged at one end of the fixing bolt 24 extending downwards, one side of the heat dissipation plate 27 is abutted against the heat dissipation hole 11, the pressing ring 26 is sleeved on the fixing bolt 24 and is positioned between the heat dissipation plate 27 and the sliding rod 22, the pressing pressure spring 25 is sleeved on the fixing bolt 24, one end of the pressing pressure spring is abutted against, one side that antiskid sheet 6 is close to power supply body 1 is equipped with net recess 61, can effectively strengthen the frictional force between mounting panel 21 and the power supply body 1, makes installing on power supply body 1 that heat abstractor 2 can be better, and antiskid sheet 6 adopts rubber to make simultaneously, can avoid carrying out direct collision with power supply body 1 surface, guarantees power supply body 1's integrity. The heat dissipation plate 27 comprises a rectangular plate 271, a rectangular groove 272 and a heat dissipation fan 273, the rectangular plate 271 is arranged at one end of the fixing bolt 24 extending downwards and is in threaded connection with the fixing bolt 24, the heat dissipation fan 273 for enhancing heat dissipation is electrically connected in the rectangular plate 271, the rectangular plate 271 is symmetrically provided with the rectangular groove 272 for mounting the heat dissipation fan 273, the rectangular groove 272 and the heat dissipation holes 11 are correspondingly arranged, so that hot air generated by the power supply body 1 can be directly discharged into the air, and the heat dissipation fan 273 is embedded along the rectangular groove 272, so that the heat dissipation fan 273 is convenient to replace; one side of the rectangular plate 271, which is close to the mounting body, is provided with a soft gasket 2711 for buffering the impact force, and the soft gasket 2711 can effectively buffer the impact force of the heat sink 2 on the power supply body 1, so that the purpose of protecting the power supply body 1 is achieved.
During specific work, the manual work is pasted on power supply body 1 with one side that mounting panel 21 was equipped with antiskid ribbed tile 6, and make the slide bar 22 symmetry of both sides extend to both sides, unscrew fixing bolt 24, make the louvre 11 on the power supply body 1 of heating panel 27 laminating, when heat abstractor 2 operation, the heat that power supply body 1 produced is under the air flow that heating panel 27 produced, make the heat arrange to the air through louvre 11, fresh air then enters into power supply body 1 inside from inlet port 13, furthermore, can effectively be with the temperature that reduces power supply body 1, ensure the stability that power supply body 1 used.
In order to ensure that the heat dissipation plate 27 is always attached to the power source body 1, the mounting plate 21 is further provided with a tensioning mechanism 4 for tensioning the heat dissipation plate 27, the tensioning mechanism 4 comprises a tensioning block 41, a tensioning tension spring 42 and a tensioning ring 43, the tensioning block 41 is arranged at one end of the sliding rod 22 and is fixedly arranged on the mounting plate 21, the tensioning ring 43 is sleeved on the fixing bolt 24, one side of the tensioning ring is abutted against and slides on the side surface of the sliding rod 22, one end of the tensioning tension spring 42 is fixedly connected with the tensioning block 41, and the other end of the tensioning ring 43 is fixedly connected with the tensioning ring. The tightening ring 43 provided on the tightening mechanism 4 always pulls the fixing bolt 24 to one side of the mounting plate 21 under the pulling force of the tightening tension spring 42, so that the heat dissipation plate 27 is better attached to the power supply body 1.
For avoiding the dust in the air to cause the harm to the circuit inside the power supply body 1, install the filter 5 on the one side that the power supply body 1 was equipped with inlet port 13, the filter 5 is including filtering mounting panel 51 and filter screen 52, filters on mounting panel 51 locates power supply body 1 through the bolt fastening, filter screen 52 inlays to be located on filtering mounting panel 51, and filter screen 52 sets up with inlet port 13 is corresponding. The dust particles in the air can be effectively blocked outside the power supply body 1 by arranging the filter plate 5, so that the clean environment of the power supply body 1 can be kept while heat dissipation is ensured.
The implementation principle of the embodiment is as follows:
(1) and enhanced heat dissipation
The heat generated by the power supply body 1 is brought into the outside air by the heat dissipation fan 273 arranged on the heat dissipation device 2, and then fresh air is supplemented from the air inlet 13, and the dust contained in the air can be effectively filtered by the filter screen 52 arranged on the air inlet 13, so that the cleanness inside the power supply body 1 is ensured; meanwhile, the heat dissipation plate 27 can be better attached to the surface of the installation body by the pulling force of the tensioning mechanism 4 on the heat dissipation plate 27;
(2) the connecting wire is installed and fixed
The threaded sleeve 3 is manually installed on the terminal 12, so that the plug connector on the connecting line 1211 is firmly installed in the wiring hole 121 under the pressing of the threaded sleeve 3; meanwhile, the telescopic sleeve 31 can effectively support and protect the connecting line 1211 close to the plug interface, and the danger that the position of the connecting line 1211 close to the plug interface is broken due to long-term stress is avoided.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. The utility model provides a direct current voltage-stabilized power supply, includes power supply body (1), power supply body (1) is including symmetry locate louvre (11) of both sides and locate terminal (12) of its leading flank, be equipped with wiring hole (121) on terminal (12), plug in wiring hole (121) and be equipped with connecting wire (1211), its characterized in that: the heat dissipation device (2) for enhancing heat dissipation is erected on the power supply body (1), an air inlet (13) is formed in the rear side face of the power supply body (1), a threaded sleeve (3) is sleeved on the connecting wire (1211), the threaded sleeve (3) is in threaded connection with the wiring terminal (12), a telescopic sleeve (31) for guiding the connecting wire (1211) is arranged at one end, away from the wiring terminal (12), of the threaded sleeve (3), and the telescopic sleeve (31) is sleeved on the connecting wire (1211) and arranged in a sliding mode;
the heat dissipation device (2) comprises a mounting plate (21), a sliding rod (22), a sliding groove (23), a fixing bolt (24), a pressing spring (25), a pressing ring (26) and a heat dissipation plate (27), wherein the mounting plate (21) is arranged on the upper side surface of the power supply body (1) and mutually abutted against the sliding plate, the sliding rod (22) is symmetrically arranged on two sides of the mounting plate (21) and extends towards the direction away from the mounting plate (21), the sliding groove (23) is arranged on the sliding rod (22) and penetrates through the sliding groove (23) along the vertical direction, the fixing bolt (24) is arranged in the sliding groove (23) in a penetrating manner, one end of the fixing bolt (24) extends downwards, the heat dissipation plate (27) is arranged at one end of the fixing bolt (24) extending downwards, one side of the heat dissipation plate (27) is abutted against the heat dissipation hole (11), the pressing ring (26) is sleeved on the fixing bolt (24) and, the pressing pressure spring (25) is sleeved on the fixing bolt (24), one end of the pressing pressure spring is abutted against the pressing ring (26), and the other end of the pressing pressure spring is abutted against the heat dissipation plate (27).
2. A regulated dc power supply according to claim 1 wherein: the heat dissipation plate (27) comprises a rectangular plate (271), a rectangular groove (272) and a heat dissipation fan (273), wherein the rectangular plate (271) is arranged at one end of the downward extension of the fixing bolt (24) and is in threaded connection with the fixing bolt (24), the heat dissipation fan (273) for enhancing heat dissipation is embedded in the rectangular plate (271), the rectangular groove (272) for installing the heat dissipation fan (273) is symmetrically arranged on the rectangular plate (271), and the rectangular groove (272) corresponds to the position of the heat dissipation hole (11).
3. A regulated dc power supply according to claim 1 wherein: still be equipped with on mounting panel (21) and carry out taut straining device (4) to heating panel (27), straining device (4) are including straining piece (41), taut extension spring (42) and taut ring (43), the one end of slide bar (22) is located to straining piece (41), and fixed locating on mounting panel (21), taut ring (43) cover establish with fixing bolt (24) on, and its one side with slide bar (22) side conflict slide, taut extension spring (42) one end with strain piece (41) fixed connection, the other end with strain ring (43) fixed connection.
4. A regulated dc power supply according to claim 1 wherein: power body (1) is close to one side of inlet port (13) and installs filter (5), filter (5) are including filtering mounting panel (51) and filter screen (52), filter mounting panel (51) are located on power body (1) through the bolt fastening, filter screen (52) are inlayed and are located on filtering mounting panel (51), and filter screen (52) and inlet port (13) corresponding setting.
5. A regulated dc power supply according to claim 1 wherein: one side of the mounting plate (21) close to the power supply body (1) is provided with an anti-slip sheet (6), and one side of the anti-slip sheet (6) close to the power supply body (1) is provided with a grid groove (61).
6. A regulated dc power supply according to claim 1 wherein: one side of the rectangular plate (271) close to the mounting body is provided with a soft gasket (2711) for buffering collision force.
7. A regulated dc power supply according to claim 1 wherein: and a chamfer (32) for guiding is arranged on one side of the threaded sleeve (3) close to the binding post (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110441677.9A CN113038810B (en) | 2021-04-23 | 2021-04-23 | DC voltage-stabilized power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110441677.9A CN113038810B (en) | 2021-04-23 | 2021-04-23 | DC voltage-stabilized power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| US10178797B1 (en) * | 2017-08-18 | 2019-01-08 | Microsoft Technology Licensing, Llc | Split airflow cooling module |
| CN207126113U (en) * | 2017-09-01 | 2018-03-23 | 深圳市微明星网络科技有限公司 | A kind of connect-disconnect structure of intelligent robot down toy wiring harness connector |
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| CN113038810B (en) | 2022-05-10 |
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