Direct-current converter special for isolated fuel cell

Abstract

The utility model discloses an isolation type fuel cell dedicated DC converter, which comprises a DC converter body and a mounting plate, one side of the mounting plate is fixedly connected with a bearing plate, the DC converter body is arranged on the bearing plate, the outer wall of one side of the mounting plate is provided with a rotating groove, the rotating groove is internally and rotatably connected with a threaded rod, and the threaded rod is fixedly connected with the mounting plate. The threaded rod is sleeved with a traction plate in a threaded mode, one end of the traction plate is fixedly connected with a connecting plate, the bottom of one end of the connecting plate is fixedly connected with a pressing plate, a groove corresponding to the direct-current converter body is formed in the bottom of the pressing plate, and a rubber plate is fixedly connected to the inner wall of the groove; the pressing plate is clamped on the direct-current converter body, the top end of the threaded rod is fixedly sleeved with a knob, and the mounting plate is provided with a sliding groove, the downward pressing fixing assembly is arranged so that the converter can be conveniently mounted, meanwhile, the bearing plate provides supporting force for the converter, and the stability of the converter is improved after the converter is mounted.

Description

Technical Field

[0001] The utility model relates to the field of products related to direct current converters, in particular to a direct current converter dedicated to an isolated fuel cell. Background Art

[0002] As a new energy power generation technology, fuel cells have the advantages of being clean and pollution-free, and having fast fuel renewal. They can be used in a variety of application scenarios such as household cars, heavy commercial vehicles, and rail transit. Using them in electric vehicles can effectively solve the problem of slow charging of traditional batteries. Using them in rail vehicles can realize the operation of vehicles without traction networks. Compared with non-isolated converters, isolated converters can achieve electrical isolation between fuel cells and DC bus to protect fuel cells. Isolated converters are easier to achieve soft switching, reducing the overall loss of the converter;

[0003] In the prior art, the installation of the DC converter is relatively complicated, and multiple positioning bolts need to be rotated and installed. The operation is relatively complicated, and the entire assembly and disassembly process is time-consuming and labor-intensive. Utility Model Content

[0004] The purpose of the utility model is to provide an isolated fuel cell dedicated DC converter to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an isolated fuel cell dedicated DC converter, comprising a DC converter body and a mounting plate, one side of the mounting plate is fixedly connected to a carrying plate, the DC converter body is arranged on the carrying plate, a rotation groove is provided on an outer wall of one side of the mounting plate, a threaded rod is rotatably connected in the rotation groove, a traction plate is threadedly sleeved on the threaded rod, one end of the traction plate is fixedly connected to a connecting plate, a pressing plate is fixedly connected to the bottom of one end of the connecting plate, a groove corresponding to the DC converter body is provided at the bottom of the pressing plate, a rubber plate is fixedly connected to the inner wall of the groove, the pressing plate is clamped on the DC converter body, a knob is fixedly sleeved on the top of the threaded rod, a sliding groove is provided on the mounting plate, a sliding rod is fixedly connected in the sliding groove, an L-shaped clamping rod is slidably sleeved on the sliding rod, and a plurality of clamping grooves corresponding to the L-shaped clamping rod are provided on the knob.

[0006] Preferably, both ends of the mounting plate are fixedly connected with locking plates, and both ends of the locking plates are inserted with fixing bolts.

[0007] Preferably, a plurality of anti-slip protrusions are fixedly connected to the outer side wall of the knob.

[0008] Preferably, a pull ring is fixedly connected to the outer side wall of the L-shaped clamping rod.

[0009] Preferably, a spring is sleeved on the slide rod, and two ends of the spring are fixedly connected to the slide groove and the inner wall of the L-shaped clamping rod respectively.

[0010] Preferably, the plurality of slots are arranged in an annular pattern with equal spacing therebetween.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The isolated fuel cell dedicated DC converter fixes the mounting plate in a designated mounting area, supports the DC converter body with a bearing plate, and then turns the knob to drive the threaded rod to rotate in a rotating groove on the mounting plate. When the threaded rod rotates, the traction plate threadedly sleeved thereon will move downward, and at this time the connecting plate will drive the pressing plate to move downward and be clamped on the DC converter body to fix it. The rubber plate on the bottom of the pressing plate has a certain buffering effect, and then the L-shaped clamping rod on the sliding slide rod is inserted into the clamping groove corresponding to the knob to realize the rotation and fixation of the threaded rod. The setting of the downward pressing and fixing assembly of the utility model can facilitate the installation of the converter, and at the same time the bearing plate provides a supporting force for the converter, so that the converter is more stable after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the isolated fuel cell dedicated DC converter of the utility model;

[0014] Figure 2 It is an enlarged view of the A part of the isolated fuel cell dedicated DC converter of the utility model;

[0015] Figure 3 It is a schematic diagram of the rubber plate of the isolated fuel cell dedicated DC converter of the utility model;

[0016] Figure 4 The diagram is a schematic diagram of the knob structure of the isolated fuel cell dedicated DC converter of the utility model.

[0017] In the figure: 1. DC converter body; 2. Mounting plate; 3. Load-bearing plate; 4. Threaded rod; 5. Traction plate; 6. Connecting plate; 7. Pressure plate; 8. Rubber plate; 9. Knob; 10. Sliding rod; 11. L-shaped clamping rod; 12. Clamping slot; 13. Locking plate; 14. Fixing bolt; 15. Anti-slip protrusion; 16. Pull ring; 17. Spring. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] See also Figure 1-4The utility model provides an embodiment: an isolated fuel cell dedicated DC converter, including a DC converter body 1 and a mounting plate 2, one side of the mounting plate 2 is fixedly connected with a carrier plate 3, the DC converter body 1 is arranged on the carrier plate 3, a rotation groove is provided on the outer wall of one side of the mounting plate 2, a threaded rod 4 is rotatably connected in the rotation groove, a traction plate 5 is threadedly sleeved on the threaded rod 4, one end of the traction plate 5 is fixedly connected with a connecting plate 6, and a pressing plate 7 is fixedly connected to the bottom of one end of the connecting plate 6, the bottom of the pressing plate 7 is provided with a groove corresponding to the DC converter body 1, a rubber plate 8 is fixedly connected to the inner wall of the groove, the pressing plate 7 is clamped on the DC converter body 1, and a knob 9 is fixedly sleeved on the top of the threaded rod 4, and the installation A slide groove is provided on the plate 2, in which a slide rod 10 is fixedly connected, an L-shaped clamping rod 11 is slidably sleeved on the slide rod 10, and a plurality of clamping grooves 12 corresponding to the L-shaped clamping rod 11 are provided on the knob 9. Specifically, the load-bearing plate 3 supports the DC converter body, and then the knob 9 is turned to drive the threaded rod 4 to rotate in the rotating groove on the mounting plate. When the threaded rod 4 rotates, the traction plate 5 threadedly sleeved thereon will move downward. At this time, the connecting plate 6 will drive the pressure plate 7 to move downward and be clamped on the DC converter body 1 to fix it. The rubber plate 8 on the bottom of the pressure plate 7 has a certain buffering effect. Then the L-shaped clamping rod 11 on the sliding slide rod 10 is inserted into the clamping groove corresponding to the knob 9 to realize the rotation and fixation of the threaded rod 4.

[0020] In this embodiment, both ends of the mounting plate 2 are fixedly connected with locking plates 13, and both ends of the locking plates 13 are inserted with fixing bolts 14 to facilitate the installation of the mounting plate 2; a plurality of anti-slip protrusions 15 are fixedly connected to the outer wall of the knob 9 to increase friction and improve stability during rotation; a pull ring 16 is fixedly connected to the outer wall of the L-shaped clamping rod 11 to facilitate pulling the L-shaped clamping rod 11; a spring 17 is sleeved on the slide rod 10, and the two ends of the spring 17 are respectively fixedly connected to the slide groove and the inner wall of the L-shaped clamping rod 11 to cause the L-shaped clamping rod 11 to rebound into the clamping groove; and the plurality of clamping grooves 12 are arranged in an annular and equidistant manner.

[0021] Working principle: first fix the mounting plate 2 in the designated mounting area, use the bearing plate 3 to support the DC converter body, then turn the knob 9 to drive the threaded rod 4 to rotate in the rotating groove on the mounting plate. When the threaded rod 4 rotates, the traction plate 5 threadedly sleeved thereon will move downward. At this time, the connecting plate 6 will drive the pressure plate 7 to move downward and be clamped on the DC converter body 1 to fix it. The rubber plate 8 on the bottom of the pressure plate 7 has a certain buffering effect. Then, the L-shaped clamping rod 11 on the sliding rod 10 is inserted into the clamping groove corresponding to the knob 9 to realize the rotation and fixation of the threaded rod 4.

[0022] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An isolated type fuel cell dedicated DC converter, comprising a DC converter body (1) and a mounting plate (2), characterized in that: A carrier plate (3) is fixedly connected to one side of the mounting plate (2), the DC converter body (1) is arranged on the carrier plate (3), a rotation groove is provided on one side outer wall of the mounting plate (2), a threaded rod (4) is rotatably connected in the rotation groove, a traction plate (5) is threadedly sleeved on the threaded rod (4), one end of the traction plate (5) is fixedly connected to a connecting plate (6), one end of the connecting plate (6) is fixedly connected to a pressing plate (7) at the bottom, and the bottom of the pressing plate (7) is provided with a threaded rod (4) that is connected to the connecting plate (6). A groove corresponding to the DC converter body (1), a rubber plate (8) is fixedly connected to the inner wall of the groove, the pressure plate (7) is clamped on the DC converter body (1), the top end of the threaded rod (4) is fixedly sleeved with a knob (9), the mounting plate (2) is provided with a slide groove, a slide rod (10) is fixedly connected in the slide groove, an L-shaped clamping rod (11) is slidably sleeved on the slide rod (10), and the knob (9) is provided with a plurality of clamping grooves (12) corresponding to the L-shaped clamping rod (11).

2. The isolated fuel cell dedicated DC converter according to claim 1, characterized in that: Both ends of the mounting plate (2) are fixedly connected with locking plates (13), and both ends of the locking plates (13) are inserted with fixing bolts (14).

3. The isolated fuel cell dedicated DC converter according to claim 1, characterized in that: A plurality of anti-slip protrusions (15) are fixedly connected to the outer side wall of the knob (9).

4. The isolated fuel cell dedicated DC converter according to claim 1, characterized in that: A pull ring (16) is fixedly connected to the outer side wall of the L-shaped clamping rod (11).

5. The isolated fuel cell dedicated DC converter according to claim 1, characterized in that: The slide bar (10) is sleeved with a spring (17), and the two ends of the spring (17) are respectively fixedly connected to the slide groove and the inner wall of the L-shaped clamping rod (11).

6. The isolated fuel cell dedicated DC converter according to claim 1, characterized in that: The plurality of slots (12) are arranged in an annular pattern with equal spacing therebetween.

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