CN218387270U

CN218387270U - DCDC converter

Info

Publication number: CN218387270U
Application number: CN202222810136.1U
Authority: CN
Inventors: 闫晓阳
Original assignee: Taiyuan University of Science and Technology
Current assignee: Taiyuan University of Science and Technology
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-01-24
Anticipated expiration: 2032-10-24

Abstract

The utility model discloses a DCDC converter relates to converter technical field, which comprises a housin, be provided with the installation cavity in the casing, be used for installing main circuit, control chip, inductance coils, diode, triode and condenser in the installation cavity, the top of casing is provided with the shutoff lid, one side that casing and shutoff lid are relative is provided with two sliding fit and traveller respectively, the traveller slides and pegs graft in the traveller, be provided with two dismouting mechanisms in the casing, dismouting mechanism and traveller are connected, dismouting mechanism includes pull rod, locating piece, location mouth and supporting spring, the pull rod is inserted and is established in the casing and one end is provided with the locating rack. The utility model discloses in, solved current DCDC converter because of mostly through a large amount of bolt fastening, lead to unable quick assembly disassembly and make the problem that the bolt loses easily, solved current DCDC converter simultaneously because of mostly not possessing absorbing function, lead to influencing converter life's problem.

Description

DCDC converter

Technical Field

The utility model relates to a converter technical field especially relates to a DCDC converter.

Background

DC/DC means converting a fixed DC voltage into a variable DC voltage, and is also called a DC chopper. DC/DC Chinese interpretation refers to direct current power supply. The technology is widely applied to the stepless speed change and control of trolleybuses, subway trains and electric vehicles;

however, most cover plates on the existing DCDC converter are fixed through a large number of bolts, the fixing mode cannot be quickly assembled and disassembled, screws are easily lost, the fixing mode is poor in use and not beneficial to popularization and use, the existing DCDC converter mostly does not have a damping function, and after the converter is installed on an electric vehicle, the vehicle frequently vibrates when the vehicle runs, and if the converter cannot have the damping function, the service life of the DCDC converter can be influenced.

To this end, we have devised a DCDC converter to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a DCDC converter has solved current DCDC converter and has leaded to unable quick assembly disassembly and the problem that makes the bolt lose easily because of mostly through a large amount of bolt fixings, has solved current DCDC converter simultaneously because of mostly not possessing absorbing function, leads to influencing converter life's problem.

In order to solve the technical problem, the utility model provides a pair of DCDC converter, which comprises a housin, be provided with the installation cavity in the casing, be used for installing main circuit, control chip, inductance coils, diode, triode and condenser in the installation cavity, the top of casing is provided with the shutoff lid, two spouts have been seted up to the top symmetry of casing, the bottom symmetry of shutoff lid is provided with two travelers, the traveler slides and pegs graft in the spout, the internal symmetry of casing is provided with two dismouting mechanisms, dismouting mechanism is used for making things convenient for the top dismouting of shutoff lid at the casing, dismouting mechanism and traveller are connected, through pressing the pull rod, can make the locating rack remove and compress supporting spring in the cavity for outside locating piece roll-off location mouth, can remove the spacing to the traveler to the convenience is dismantled the shutoff lid from the casing top, otherwise according to above-mentioned principle can be fixed a position the shutoff lid at the top of casing fast, solved current DCDC converter because of mostly through a large amount of dismouting bolt fastening, lead to unable quick and make the bolt lose easily problem.

Preferably, dismouting mechanism includes pull rod, locating rack, locating piece, location mouth and supporting spring, the pull rod is inserted and is established in the casing, the locating rack sets up the one end at the pull rod, the locating piece sets up on the locating rack, the location mouth is seted up in one side of traveller, just the opposite side of locating piece is pegged graft in the locating mouth, supporting spring sets up the one side at the locating rack.

Preferably, the inside symmetry of casing is provided with two cavitys, locating rack sliding connection is in the cavity, supporting spring's the other end and the lateral wall fixed connection of cavity.

Preferably, the two sides of the shell are provided with limit ports, the limit ports are internally provided with a pressing plate in a sliding mode, the pressing plate is fixedly connected with one side, away from the positioning frame, of the pull rod, and force can be better applied when the pull rod is pushed by a person.

Preferably, the surface of pressing the clamp plate is provided with anti-skidding line, and the frictional force between multiplicable personnel hand and the pressing the clamp plate to help solving the problem that the personnel appear skidding when pressing the clamp plate.

Preferably, still include damper, damper is used for buffering the vibrations that the casing produced when the vehicle traveles, damper includes base, two mount pads, slider, fixing base, rotation piece, buffer spring and damping cylinder, two the mount pad symmetry sets up in the bottom of casing, two the slider symmetry slides and sets up at the top of base, two the fixing base sets up the top at two sliders respectively, the both sides of rotating the piece rotate with mount pad and fixing base rotation respectively and are connected, buffer spring and damping cylinder all set up the one side at the slider, buffer spring cup joints on the damping cylinder, when the vehicle traveles and produces vibrations, at first the casing can move down because of the dead weight for two sliders move back to each other and make the buffer spring compression shorten, when treating that the vibrations power is almost, the cooperation damping cylinder can make buffer spring slowly kick-back, thereby has reached absorbing effect, has solved current DC converter and has not possessed the absorbing function because of DCDC mostly, has leaded to influencing converter life's problem.

Preferably, the top of the base is provided with a slide rail, the slide block is connected in the slide rail in a sliding manner, and the other ends of the buffer spring and the damping cylinder are arranged on the side wall of the slide rail.

Preferably, two mounting ports are symmetrically formed in the front side of the shell, the fans are arranged in the mounting ports, and heat generated by operation of devices in the shell can be timely discharged by the aid of the fans, so that the service life of the converter is prolonged, and the operation performance of the converter is improved.

Compared with the prior art, the utility model provides a pair of DCDC converter has following beneficial effect:

1. the utility model discloses in, through pressing the pressing plate, can make the locating rack remove and compress supporting spring in the cavity for outside locating piece roll-off location mouth, can remove the spacing to the traveller, thereby the convenience is dismantled the shutoff lid from the casing top, otherwise according to above-mentioned principle can be fast with the shutoff lid location at the top of casing, solved current DCDC converter because of most through a large amount of bolt fixings, lead to unable quick assembly disassembly and make the problem that the bolt loses easily.

2. The utility model discloses in, when the vehicle traveles and produces vibrations, at first the casing can the downstream because of the dead weight for two slider back of the body motions in opposite directions and make the buffer spring compression shorten, treat when the shaking force is totally, the cooperation damping cylinder can make buffer spring slowly kick-back, thereby has reached absorbing effect, has solved current DCDC converter and because of the function that does not possess the absorbing mostly, leads to influencing converter life's problem.

3. The utility model discloses, through the cooperation of main circuit, control chip, inductance coils, diode, triode and condenser, but repeated on-off switch converts DC voltage or electric current into high frequency square wave voltage or electric current, becomes DC voltage output through the rectification smoothness again.

Drawings

Fig. 1 is a schematic perspective view of an external structure of a DCDC converter;

FIG. 2 is a schematic diagram of a planar structure of the inside of the side surface of a DCDC converter housing;

FIG. 3 is a schematic plan view of the interior of a base of a DCDC converter;

fig. 4 is an enlarged view of a point a in fig. 2.

Reference numbers in the figures: 1. a housing; 2. a blocking cover; 3. a sliding port; 4. a traveler; 5. a pull rod; 6. a positioning frame; 7. positioning blocks; 8. positioning the port; 9. a support spring; 10. a pressing plate; 11. a base; 12. a mounting seat; 13. a slider; 14. a fixed seat; 15. a rotating member; 16. a buffer spring; 17. and a damping cylinder.

Detailed Description

Example one

The DCDC converter comprises a shell 1, wherein an installation cavity is arranged in the shell 1, a main circuit, a control chip, an inductance coil, a diode, a triode and a capacitor are installed in the installation cavity, a sealing cover 2 is arranged at the top of the shell 1, two sliding ports 3 are symmetrically formed in the top of the shell 1, two sliding columns 4 are symmetrically arranged at the bottom of the sealing cover 2, the sliding columns 4 are inserted into the sliding ports 3 in a sliding mode, two mechanisms are symmetrically arranged in the shell 1 and used for facilitating the assembly and disassembly of the sealing cover 2 on the top of the shell 1, the assembly and disassembly mechanisms are connected with the sliding columns 4 and comprise pull rods 5, positioning frames 6, positioning blocks 7, positioning ports 8 and supporting springs 9, the pull rods 5 are inserted into the shell 1, the positioning frames 6 are arranged at one ends of the pull rods 5, the positioning blocks 7 are arranged on the positioning frames 6, the positioning ports 8 are formed in one sides of the sliding columns 4, the other sides of the positioning blocks 7 are inserted into the positioning ports 8, the supporting springs 9 are arranged on one sides of the positioning frames 6, two cavities are symmetrically arranged in the shell 1, the positioning blocks 6, the other sides of the positioning frames 6 are connected with pressing rods 10, and fixing plates 10 are arranged on the side walls of the fixing plates, and far away from the limiting plate fixing holes 10 of the fixing plates.

When the electric appliance in the casing 1 is overhauled and maintained to the capping 2 when needs are dismantled, press the pressing plate 10 at first, can make pull rod 5 drive locating rack 6 shorten at cavity horizontal migration and compression supporting spring 9, make 7 roll-off locating openings of locating piece 8 outside, can remove 4 spacing sliding columns, at last upwards stimulate the capping 2, can make 4 roll-off sliding openings of sliding columns 3 outside, accomplish the dismantlement of capping 2, maintain and overhaul in the casing 1, when needs make the capping 2 install at the top of casing 1, make 7 sliding positioning piece of locating piece 8 in the locating opening according to the principle can, the problem of current DCDC converter because of mostly fixed through a large amount of bolts, lead to unable quick assembly disassembly and easy messenger's bolt to lose has been solved.

The shell 1 is arranged at a proper position in a vehicle, the switch can be turned on and off repeatedly through the matching of the main circuit, the control chip, the inductance coil, the diode, the triode and the capacitor, direct current voltage or current is converted into high-frequency square wave voltage or current, and the high-frequency square wave voltage or current is rectified and smoothed to be changed into direct current voltage to be output.

The outer surface of the pressing plate 10 is provided with anti-slip lines. Friction between the hands of the person and the pressing plate 10 can be increased, thereby helping to solve the problem of slipping when the person presses the pressing plate 10.

Example two

The vehicle damping device comprises a damping mechanism, the damping mechanism is used for buffering vibration generated when a vehicle runs by a shell 1, the damping mechanism comprises a base 11, two installation bases 12, sliders 13, fixed bases 14, a rotating piece 15, a buffer spring 16 and a damping cylinder 17, the two installation bases 12 are symmetrically arranged at the bottom of the shell 1, the two sliders 13 are symmetrically arranged at the top of the base 11 in a sliding mode, the two fixed bases 14 are respectively arranged at the tops of the two sliders 13, two sides of the rotating piece 15 are respectively connected with the installation bases 12 and the fixed bases 14 in a rotating mode, the buffer spring 16 and the damping cylinder 17 are both arranged on one side of the sliders 13, the buffer spring 16 is sleeved on the damping cylinder 17, a sliding rail is arranged at the top of the base 11, the sliders 13 are connected in the sliding rail in a sliding mode, and the other ends of the buffer spring 16 and the damping cylinder 17 are arranged on the side wall of the sliding rail.

When the vehicle produced vibrations when traveling, at first vibrations can be given casing 1 for, make casing 1 because of the dead weight can move down for two sliders 13 move back on back and make buffer spring 16 compress and shorten, wait when the vibrations power is totally done, cooperation damping cylinder 17 can make buffer spring 16 slowly kick-back, thereby has reached absorbing effect.

EXAMPLE III

As shown in fig. 1, on the basis of the first embodiment, two mounting ports are symmetrically formed in the front side of the housing 1, and a fan is disposed in the mounting ports. The fan is started to rotate at a high speed, and heat generated by the operation of the devices in the shell 1 is discharged in time, so that the service life of the converter is prolonged, and the operation performance of the converter is improved.

In order to ensure that the fan can stably operate, one bunch of circuits of the vehicle is connected with the fan, and the fan is enabled to stably operate.

The working principle is as follows:

when the device is used, the shell 1 is arranged at a proper position in a vehicle, the switch can be repeatedly switched on and off through the matching of the main circuit, the control chip, the inductance coil, the diode, the triode and the capacitor, direct current voltage or current is converted into high-frequency square wave voltage or current, and the high-frequency square wave voltage or current is rectified and smoothed into direct current voltage to be output.

When the electric appliance overhauls and maintains in the casing 1 when needs are dismantled the shutoff lid 2, press pressing plate 10 at first, can make pull rod 5 drive locating rack 6 shorten at cavity horizontal migration and compression supporting spring 9, make 7 roll-off locating port 8 of locating piece outside, can remove 4 spacings to the traveller, at last upwards stimulate shutoff lid 2, can make outside 4 roll-off travelers 3 of traveller, accomplish the dismantlement of shutoff lid 2, maintain in the casing 1 and overhaul, when needs make the shutoff lid 2 install at the top of casing 1, it can in 8 to make 7 slips of locating piece in the locating port according to the principle.

Claims

1. The utility model provides a DCDC converter, includes casing (1), its characterized in that, be provided with the installation cavity in casing (1), be used for installing main circuit, control chip, inductance coils, diode, triode and condenser in the installation cavity, the top of casing (1) is provided with blocking lid (2), casing (1) and one side that blocking lid (2) are relative are provided with two sliding exits (3) and traveller (4) respectively, traveller (4) slide and peg graft in sliding exits (3), be provided with two dismouting mechanisms in casing (1), dismouting mechanism is connected with traveller (4).

2. The DCDC converter of claim 1, characterized in that, dismouting mechanism includes pull rod (5), locating piece (7), location mouth (8) and supporting spring (9), pull rod (5) are inserted and are established in casing (1) and one end is provided with locating rack (6), locating piece (7) set up on locating rack (6), locating mouth (8) set up in one side of traveller (4), the other side of locating piece (7) is pegged graft in locating mouth (8), supporting spring (9) set up in one side of locating rack (6).

3. The DCDC converter according to claim 2, wherein two cavities are arranged in said housing (1), said positioning frame (6) is slidably connected in the cavities, and the other end of said supporting spring (9) is connected with the side wall of the cavity.

4. The DCDC converter according to claim 2, wherein both sides of the housing (1) are opened with a limiting opening, a pressing plate (10) is slidably disposed in the limiting opening, and the pressing plate (10) is connected with the pull rod (5).

5. The DCDC converter according to claim 4, characterized in that the outer surface of said pressing plate (10) is provided with anti-slip texture.

6. The DCDC converter of claim 1, characterized by further comprising a damping mechanism, wherein the damping mechanism comprises a base (11), two mounting seats (12), a sliding block (13), a rotating member (15), a buffer spring (16) and a damping cylinder (17), the mounting seats (12) are arranged at the bottom of the shell (1), the sliding block (13) is arranged at the top of the base (11) in a sliding manner, a fixed seat (14) is arranged at the top of the sliding block, two sides of the rotating member (15) are respectively connected with the mounting seats (12) and the fixed seat (14) in a rotating manner, and the buffer spring (16) and the damping cylinder (17) are both arranged at one side of the sliding block (13).

7. The DCDC converter according to claim 6, wherein a slide rail is opened at the top of the base (11), the slider (13) is slidably connected in the slide rail, and the other ends of the buffer spring (16) and the damping cylinder (17) are arranged on the side wall of the slide rail.

8. The DCDC converter according to claim 1, wherein two mounting openings are opened at the front side of the housing (1), and a fan is disposed in the mounting openings.