CN112654230A

CN112654230A - Assembling device for improving hardware assembly stability of DC/DC converter

Info

Publication number: CN112654230A
Application number: CN202011547199.1A
Authority: CN
Inventors: 伍丰; 张敏海; 张灵芝; 刘贤群; 邓景新; 曾树华
Original assignee: Hunan Vocational College of Railway Technology
Current assignee: Xiangtan Kaiyuan Mechanical And Electronic Manufacturing Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-04-13
Anticipated expiration: 2040-12-24
Also published as: CN112654230B

Abstract

The invention discloses an assembling device for improving the assembly stability of DC/DC converter hardware, which relates to the technical field of DC/DC power converters in hydrogen fuel cell vehicles and comprises a fixed seat, an assembling device, a circuit board, a cleaning device and a protective device, wherein the top end of the fixed seat is provided with the assembling device, the assembling device comprises a multi-stage electric telescopic rod, the left side and the right side of the top end of the fixed seat are fixedly connected with the multi-stage electric telescopic rod, in the invention, through the arrangement of a positioning frame, a detection needle frame and a pressure sensor, the arrangement is matched with the elastic force of a first spring on a supporting block, the driving of a first motor on the positioning frame, the elastic force of a second spring on the detection needle frame and a fixed plate and the fixed connection of the fixed plate and the pressure sensor, when the device is used, a connection threaded hole in a shell can be detected, and, therefore, subsequent normal assembly of the device is guaranteed, the subsequent assembly is more stable, and the service life of hardware of the subsequent assembly is guaranteed.

Description

Assembling device for improving hardware assembly stability of DC/DC converter

Technical Field

The invention relates to the technical field of DC/DC power converters in hydrogen fuel cell vehicles, in particular to an assembling device for improving the hardware assembly stability of a DC/DC converter.

Background

The hydrogen fuel cell vehicle electric system comprises a hydrogen storage system, a fuel cell system, a DC/DC converter, a power cell, a vehicle control system and the like, wherein the hydrogen fuel cell has low output voltage and soft output characteristic, and is not suitable for directly driving the vehicle, and the DC/DC converter and the power cell are required to be configured to meet the power performance and the maneuvering performance of the vehicle, so the DC/DC converter is one of key parts of the hydrogen fuel cell vehicle, the development of the hydrogen fuel DC/DC converter is more and more emphasized by scholars and enterprises at home and abroad, and the hydrogen fuel DC/DC converter is benefited by the accumulation of domestic enterprises in the field of traditional power electronics, and at present, some domestic manufacturers have the capability of producing the hydrogen fuel cell DC/DC converter.

But the situations of poor consistency and unstable work of DC \ DC are easy to occur in the assembling and using processes due to the lack of effective assembling tools and process procedures; research shows that the assembly or assembly process of the DC/DC converter has great influence on the quality of the finished DC/DC converter during the production process of the DC/DC converter.

In addition, after the DC/DC converter is affected by environmental dust or static electricity generated by hand contact in the production and assembly processes, the converter is prone to micro-damage of components, which causes circuit failure of the hydrogen fuel cell DC/DC converter in the use process or shortens the service life of hardware.

Disclosure of Invention

In view of the above problems, the present invention provides an assembly apparatus for improving the hardware assembly stability of a DC/DC converter, which reduces the influence of environmental dust on the DC/DC converter by improving the assembly process of the DC/DC converter, improves the consistency and reliability of assembly, avoids electrostatic damage caused by direct contact of circuit devices by hands, ensures better consistency of the DC/DC converter, and improves the service life.

In order to achieve the purpose, the invention provides the following technical scheme:

an assembling device for improving the assembling stability of DC/DC converter hardware comprises a fixed seat, an assembling device, a circuit board, a cleaning device and a protective device, wherein the top end of the fixed seat is provided with the assembling device, the assembling device comprises a multi-stage electric telescopic rod, the left side and the right side of the top end of the fixed seat are fixedly connected with the multi-stage electric telescopic rod, the top end of the outer side of the multi-stage electric telescopic rod is fixedly connected with a support, the inner side of the support is slidably connected with a support block in the direction close to the center of the fixed seat, the outer side of the support block is fixedly connected with a first spring, the other end of the first spring is fixedly connected with the support, the bottom end of the inner side of the support block is fixedly connected with a first motor, the tail end of a main shaft of the first motor is fixedly, and detect the needle frame and run through the locating rack, detect needle frame top fixedly connected with second spring, the other end fixedly connected with fixed plate of second spring, and fixed plate and locating rack sliding connection, fixed plate top fixedly connected with pressure sensor, and pressure sensor and locating rack sliding connection, assembly quality and circuit board sliding connection, fixing base top central point puts sliding connection and has the drain pan, the fixing base bottom is equipped with cleaning device, the fixing base outside is equipped with protector, protector right-hand member fixedly connected with is controller and the alarm that sets up from top to bottom.

Preferably, the angle of one-time rotation of the positioning frame is 180 degrees, and the positioning frame is rotatably connected with the supporting block.

Preferably, cleaning device is including fixed case, the fixed case of fixing base bottom central point fixedly connected with, connecting rod fixedly connected with fan is passed through on the inboard top of fixed case, the inboard bottom sliding connection of fixed case has the filter screen, fixed case outside top intercommunication has the trachea, and the trachea runs through the fixing base, trachea and fixing base fixed connection, tracheal other end intercommunication has the shower nozzle, the shower nozzle outside is rotated and is connected with the backup pad, and backup pad and fixing base fixed connection.

Preferably, the filter screen bottom sliding connection has the baffle, and the baffle rotates with the fixed box through the pivot to be connected, baffle bottom fixedly connected with third spring, and the other end and the fixed box fixed connection of third spring.

Preferably, the bottom of the outer side of the spray head is rotatably connected with an electric telescopic rod through a rotating shaft, the other end of the electric telescopic rod is rotatably connected with the supporting plate through the rotating shaft, and the angle rotating range of the spray head is 0-60 degrees.

Preferably, protector includes the protective housing, fixing base outside bottom sliding connection has the protective housing, the equal sliding connection in both ends has the fixed block about the protective housing is inboard, and fixed block and fixing base fixed connection, the inboard right side below fixedly connected with second motor of protective housing, the terminal fixedly connected with screw shaft of main shaft of second motor, and the screw shaft runs through the fixed block on right side, the screw shaft rotates with the protective housing to be connected, screw shaft and the fixed block screwed connection on right side, both ends all are equipped with the guard plate around the protective housing is inboard, the guard plate bottom is rotated through the pivot and is had the stopper, and stopper and protective housing sliding connection.

Preferably, the height of the protection plate is 0.45 times of the width of the protection box, and the protection plate is connected with the protection box in a sliding mode.

Preferably, be located the front end inboard top sliding connection of guard plate has the fixture block, and the fixture block runs through the guard plate that is located the front end, is located the rear end inboard top fixedly connected with extrusion piece of guard plate, and the extrusion piece is made by the panel of rubber material.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the arrangement of the positioning frame, the detection needle frame and the pressure sensor, the arrangement is matched with the elasticity of the first spring to the supporting block, the driving of the first motor to the positioning frame, the elasticity of the second spring to the detection needle frame and the fixed plate and the fixed connection of the fixed plate and the pressure sensor, when the device is used, a connection threaded hole in the shell can be detected, and a connected device to be installed can be stably positioned, so that the subsequent normal assembly of the device is ensured, the subsequent assembly is more stable, and the service life of the hardware for subsequent assembly is ensured;

2. according to the invention, through the arrangement of the spray head, the fan and the filter screen, the arrangement is matched with the traction of the fan to the wind, the rotary connection of the electric telescopic rod and the spray head, the sliding connection of the filter screen and the baffle and the elasticity of the third spring to the baffle, when the device is used, the device can be subjected to dustproof treatment, so that the phenomenon of poor later-stage heat dissipation effect of the device caused by dust and foreign matters is avoided to the greatest extent, and the normal assembly and use of the device are ensured;

3. according to the invention, through the arrangement of the threaded shaft, the clamping block and the protection plate, the arrangement is matched with the screw connection between the threaded shaft and the right fixed block, the rotation connection between the protection plate and the limiting block, the sliding connection between the left protection plate and the clamping block and the fixed connection between the right protection plate and the extrusion block, when the device is not used, the device can be stored in the protection box, the storage and the placement of the device are facilitated, the device is well protected, and the phenomenon of collision and damage which may occur to the device is avoided to the greatest extent.

Drawings

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

FIG. 2 is a schematic view of the overall structure of the assembling apparatus of the present invention;

FIG. 3 is a schematic view of the overall structure of the cleaning apparatus of the present invention;

FIG. 4 is a schematic view of the mounting structure of the inspection probe carrier of the present invention;

fig. 5 is a schematic view of an installation structure of the guard plate of the present invention.

In the figure: 1-a fixed seat, 2-an assembling device, 201-a multi-stage electric telescopic rod, 202-a bracket, 203-a supporting block, 204-a first spring, 205-a first motor, 206-a positioning frame, 207-a detection needle frame, 208-a second spring, 209-a fixed plate, 210-a pressure sensor, 3-a circuit board, 4-a bottom shell, 5-a controller, 6-a cleaning device, 601-a fixed box, 602-a fan, 603-a filter screen, 604-a baffle, 605-a third spring, 606-an air pipe, 607-a spray head, 608-a supporting plate, 609-an electric telescopic rod, 7-a protective device, 701-a protective box, 702-a fixed block, 703-a second motor, 704-a threaded shaft, 705-a protective plate, a protective, 706-a limiting block, 707-a clamping block, 708-an extrusion block and 8-an alarm.

Detailed Description

Example 1:

referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a technical solution:

the utility model provides an assembly quality for improving DC/DC converter hardware assembly stability, including fixing base 1, assembly quality 2, circuit board 3, cleaning device 6 and

protector

7, 1 top of fixing base is equipped with assembly quality 2, assembly quality 2 includes multistage electric

telescopic handle

201, 1 top left and right sides equal fixedly connected with multistage electric telescopic handle 201 of fixing base, multistage electric telescopic handle 201 outside top fixedly connected with support 202, the inboard direction that is close to fixing base 1 center of support 202 has supporting shoe 203, supporting shoe 203 outside fixedly connected with first spring 204, and the other end and the support 202 fixed connection of first spring 204, the inboard bottom fixedly connected with first motor 205 of supporting shoe 203, the terminal fixedly connected with locating rack 206 of main shaft of first motor 205, and locating rack 206 and circuit board 3 sliding connection, the angle of locating rack 206 once rotating is 180 degrees, and the positioning frame 206 is rotatably connected with the supporting block 203, the arrangement can accurately switch the detection mechanism in the assembly mechanism, thereby facilitating the detection of the threaded hole in the bottom shell 4 and ensuring the stability of the subsequent assembly of the device, the bottom of one end of the inner side of the positioning frame 206 far away from the center of the fixed seat 1 is slidably connected with the detection needle frame 207, the detection needle frame 207 penetrates through the positioning frame 206, the top end of the detection needle frame 207 is fixedly connected with the second spring 208, the other end of the second spring 208 is fixedly connected with the fixing plate 209, the fixing plate 209 is slidably connected with the positioning frame 206, the top end of the fixing plate 209 is fixedly connected with the pressure sensor 210, the pressure sensor 210 is slidably connected with the positioning frame 206, when the device is used, the connection threaded hole in the shell can be detected, the connected circuit board 3 can be stably positioned, thereby ensuring the subsequent normal assembly of the, the subsequent assembly is more stable, the service life of the hardware of the subsequent assembly is ensured, the assembly device 2 is connected with the circuit board 3 in a sliding way, the central position of the top end of the fixed seat 1 is connected with the bottom shell 4 in a sliding way, the bottom end of the fixed seat 1 is provided with the cleaning device 6, the cleaning device 6 comprises a fixed box 601, the central position of the bottom end of the fixed seat 1 is fixedly connected with the fixed box 601, the top end of the inner side of the fixed box 601 is fixedly connected with a fan 602 through a connecting rod, the bottom end of the inner side of the fixed box 601 is connected with a filter screen 603 in a sliding way, the bottom end of the filter screen 603 is connected with a baffle 604 in a sliding way, the baffle 604 is rotatably connected with the fixed box 601 through a rotating shaft, the bottom end of the baffle 604 is fixedly connected with a third spring 605, the other end of, the air pipe 606 is fixedly connected with the fixed seat 1, the other end of the air pipe 606 is communicated with the spray head 607, the outer side of the spray head 607 is rotatably connected with the supporting plate 608, the bottom end of the outer side of the spray head 607 is rotatably connected with the electric telescopic rod 609 through a rotating shaft, the other end of the electric telescopic rod 609 is rotatably connected with the supporting plate 608 through a rotating shaft, the angle rotating range of the spray head 607 is 0-60 degrees, the device is cleaned more cleanly and thoroughly by the arrangement, the supporting plate 608 is fixedly connected with the fixed seat 1, when the device is used, the device can be subjected to dustproof treatment, so that the phenomenon of poor later-stage heat dissipation effect of the device caused by dust and foreign matters is avoided to the maximum extent, the normal assembly and use of the device are ensured, the protective device 7 is arranged on the outer side of the fixed seat 1, the protective device 7 comprises a protective, the fixed block 702 is fixedly connected with the fixed seat 1, the right lower part of the inner side of the protective box 701 is fixedly connected with a second motor 703, the tail end of a main shaft of the second motor 703 is fixedly connected with a threaded shaft 704, the threaded shaft 704 penetrates through the fixed block 702 on the right side, the threaded shaft 704 is rotatably connected with the protective box 701, the threaded shaft 704 is spirally connected with the fixed block 702 on the right side, the front end and the rear end of the inner side of the protective box 701 are respectively provided with a protective plate 705, the height of the protective plate 705 is 0.45 times of the width of the protective box 701, and the protective plate 705 is in sliding connection with the protective box 701, the arrangement ensures that the device has better and tighter protection effect, the bottom end of the protective plate 705 is rotated by a rotating shaft to form a limiting block 706, the top end of the inner side of the protective plate 705 on the front end is in sliding connection with a clamping block 707, the clamping block 707 penetrates, this kind of setting has guaranteed the stable protection of guard plate 705 when the device does not use, stopper 706 and protective housing 701 sliding connection, when the device does not use, can receive the device inside protective housing 701, made things convenient for accomodating of device to place, and played fine guard action to the device, the phenomenon of collision damage that the device may appear has been avoided to the at utmost, and protector 7 right-hand member fixedly connected with is controller 5 and alarm 8 that set up from top to bottom.

The working process is as follows: all electrical appliances in the device are external power supplies, when the device is used, the maximum induction value of the pressure sensor 210 is set through the controller 5, then the device is started, at the moment, the fan 602 continuously pulls outside air to filter the air through the filter screen 603, then the air is sprayed out through the air pipe 606 and the spray head 607, at the moment, the electric telescopic rod 609 continuously stretches out and resets, the spray head 607 continuously rotates at the moment, the device is continuously cleaned, at the moment, dust is not accumulated in the fixing seat 1, the filter screen 603 is blocked after long-term use, the filter screen needs to be cleaned regularly, the rotating baffle 604 compresses the third spring 605 to take out the filter screen 603 during cleaning, the filter screen 603 is cleaned after being taken out, the filter screen is reset after being cleaned, then the bottom shell 4 is placed at the bottom end of the fixing seat 1, at the moment, the bottom shell 4 is cleaned by the sprayed air, after cleaning for five seconds, the assembling mechanism is started through the controller 5, at this time, the controller 5 controls the first motor 205 to drive the positioning frame 206 to rotate one hundred eighty degrees, then controls the multi-stage electric telescopic rod 201 to contract for one half of the length, at this time, the positioning frame 206 rotates the detection needle frame 207 right above the threaded hole connecting the bottom shell 4 and the circuit board 3, when the multi-stage electric telescopic rod 201 contracts, the detection needle frame 207 is continuously inserted into the threaded hole, when the threaded hole is normally free of any foreign matter, at this time, under the control of the controller 5, the detection needle frame 207 is reset to the initial position, and then subsequent operations are performed, when the bottom shell 4 is a defective product due to the fact that foreign matter exists in the threaded hole or the threaded hole is sealed, when the detection needle frame 207 moves downwards, the second spring 208 is compressed, the fixing plate 209 pushes the pressure sensor 210, at this time, the pressure value sensed by the pressure sensor 210 exceeds, therefore, the alarm 8 will give an alarm, when the alarm is heard, the bottom case 4 needs to be taken down to check the internal connection threaded hole, if foreign matters exist, the threaded hole needs to be cleaned, if the threaded hole is sealed to be a production defect, the bottom case 4 needs to be replaced, when the internal threaded hole of the bottom case 4 has no problem and the detection needle frame 207 is reset, the circuit board 3 is clamped between the two positioning frames 206, at the moment, the wind sprayed by the spray head 607 can continuously clean the bottom end of the circuit board 3, the supporting block 203 can compress the first spring 204 at the moment, the circuit board 3 is positioned right above the installation position at the moment, then the controller 5 controls the multi-stage electric telescopic rod 201 to be completely contracted, at the moment, the circuit board 3 is tightly pressed in the bottom case 4, at the moment, the circuit board 3 is just stably positioned at the installation position, then the subsequent operation is carried out to carry out screwing operation on the positioned, after the screwing operation is completed, the circuit board 3 can be stably connected with the bottom shell 4, when the device is used, the bottom shell 4 and the circuit board 3 which are positioned and connected are taken down firstly, then the multi-stage electric telescopic rod 201 is controlled to be completely contracted to lower the support 202 to the lowest point, then the second motor 703 is controlled to drive the threaded shaft 704 to rotate, at this time, the threaded shaft 704 is continuously connected with the fixing block 702 on the right side in a spiral manner, the fixing seat 1 is continuously retracted into the protection box 701, when the protective box is completely retracted into the protective box 701, the protective plate 705 is pulled out upwards, so that the limiting block 706 continuously slides with the protective box 701, the shield 705 is then rotated ninety degrees to cover the top of the shelter 701, in a direction near the center of the shelter 701, with the two shields 705 just touching, then, the fixture block 707 is pushed to slide into the two pressing blocks 708 made of rubber, and finally, the device is placed.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. It should be noted that there are no specific structures but a few objective structures due to the limited character expressions, and that those skilled in the art may make various improvements, decorations or changes without departing from the principle of the invention or may combine the above technical features in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims

1. The utility model provides an assembly quality for improving DC/DC converter hardware assembly stability, includes fixing base (1), assembly quality (2), circuit board (3), cleaning device (6) and protector (7), its characterized in that: the assembling device (2) is arranged at the top end of the fixing seat (1), the assembling device (2) comprises a plurality of stages of electric telescopic rods (201), the left side and the right side of the top end of the fixing seat (1) are fixedly connected with the plurality of stages of electric telescopic rods (201), the top end of the outer side of the plurality of stages of electric telescopic rods (201) is fixedly connected with a support (202), the inner side of the support (202) is slidably connected with a support block (203) in the direction close to the center of the fixing seat (1), the outer side of the support block (203) is fixedly connected with a first spring (204), the other end of the first spring (204) is fixedly connected with the support (202), the bottom end of the inner side of the support block (203) is fixedly connected with a first motor (205), the tail end of a main shaft of the first motor (205) is fixedly connected with a positioning frame (206), the positioning frame (206) is slidably connected with the, and detect needle frame (207) and run through locating rack (206), detect needle frame (207) top fixedly connected with second spring (208), the other end fixedly connected with fixed plate (209) of second spring (208), and fixed plate (209) and locating rack (206) sliding connection, fixed plate (209) top fixedly connected with pressure sensor (210), and pressure sensor (210) and locating rack (206) sliding connection, assembly quality (2) and circuit board (3) sliding connection, fixing base (1) top central point puts sliding connection has drain pan (4), fixing base (1) bottom is equipped with cleaning device (6), fixing base (1) outside is equipped with protector (7), controller (5) and alarm (8) that protector (7) right-hand member fixedly connected with set up about being.

2. The assembly apparatus of claim 1, wherein the assembly apparatus is used for improving the hardware assembly stability of the DC/DC converter, and the assembly apparatus comprises: the angle of one-time rotation of the positioning frame (206) is 180 degrees, and the positioning frame (206) is rotationally connected with the supporting block (203).

3. The assembly apparatus of claim 1, wherein the assembly apparatus is used for improving the hardware assembly stability of the DC/DC converter, and the assembly apparatus comprises: cleaning device (6) are including fixed case (601), fixed case (601) of fixedly connected with is put to fixing base (1) bottom central point, connecting rod fixedly connected with fan (602) is passed through on fixed case (601) inboard top, fixed case (601) inboard bottom sliding connection has filter screen (603), fixed case (601) outside top intercommunication has trachea (606), and trachea (606) run through fixing base (1), trachea (606) and fixing base (1) fixed connection, the other end intercommunication of trachea (606) has shower nozzle (607), shower nozzle (607) outside is rotated and is connected with backup pad (608), and backup pad (608) and fixing base (1) fixed connection.

4. The assembly apparatus according to claim 3, wherein the assembly apparatus comprises: the filter screen (603) bottom sliding connection has baffle (604), and baffle (604) rotate with fixed case (601) through the pivot and be connected, baffle (604) bottom fixedly connected with third spring (605), and the other end and the fixed case (601) fixed connection of third spring (605).

5. The assembly apparatus according to claim 3, wherein the assembly apparatus comprises: the bottom end of the outer side of the spray head (607) is rotatably connected with an electric telescopic rod (609) through a rotating shaft, the other end of the electric telescopic rod (609) is rotatably connected with a supporting plate (608) through the rotating shaft, and the angle rotating range of the spray head (607) is 0-60 degrees.

6. The assembly apparatus of claim 1, wherein the assembly apparatus is used for improving the hardware assembly stability of the DC/DC converter, and the assembly apparatus comprises: the protection device (7) comprises a protection box (701), the bottom end of the outer side of the fixed seat (1) is connected with the protection box (701) in a sliding manner, the left end and the right end of the inner side of the protective box (701) are both connected with a fixed block (702) in a sliding way, the fixed block (702) is fixedly connected with the fixed seat (1), the right lower part of the inner side of the protective box (701) is fixedly connected with a second motor (703), the tail end of the main shaft of the second motor (703) is fixedly connected with a threaded shaft (704), the threaded shaft (704) penetrates through the fixing block (702) on the right side, the threaded shaft (704) is rotatably connected with the protective box (701), the threaded shaft (704) is spirally connected with a fixed block (702) at the right side, the front end and the rear end of the inner side of the protective box (701) are respectively provided with a protective plate (705), the bottom end of the protection plate (705) is rotated by a rotating shaft to form a limiting block (706), and the limiting block (706) is connected with the protection box (701) in a sliding mode.

7. The assembly apparatus of claim 6, wherein the assembly apparatus comprises: the height of the protection plate (705) is 0.45 times of the width of the protection box (701), and the protection plate (705) is connected with the protection box (701) in a sliding mode.

8. The assembly apparatus of claim 6, wherein the assembly apparatus comprises: the top end of the inner side of the protection plate (705) positioned at the front end is slidably connected with a fixture block (707), the fixture block (707) penetrates through the protection plate (705) positioned at the front end, the top end of the inner side of the protection plate (705) positioned at the rear end is fixedly connected with an extrusion block (708), and the extrusion block (708) is made of a rubber plate.