DC / DC switching power supply

Abstract

The utility model relates to the technical field of electric power equipment, and discloses a DC / DC switching power supply which comprises a switching power supply main body, a clamping cover used for protection is fixedly installed on the side face of the switching power supply main body, the outer surface of the switching power supply main body is sleeved with a shell used for protection, and the upper surface of the shell is connected with a dustproof filter plate in a clamped mode. A clamping plate used for connection is fixedly installed on one side of the clamping cover, and a clamping groove used for fixing is connected to the bottom of the clamping plate in a clamped mode. According to the DC / DC switching power supply, through cooperative arrangement of the shell and the filter plate, the device can be more convenient and stable, through cooperative arrangement of a long groove and a T-shaped groove in the shell and a filter screen and a T-shaped plate on the filter plate, the device can be conveniently ventilated and cooled in the working process, dust can be prevented from entering the device from a ventilation opening, and the device is more convenient to use. And meanwhile, the T-shaped plates and the T-shaped grooves are arranged in a matched mode.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power equipment, in particular to a DC / DC switching power supply. Background Art

[0002] The DC-DC switching power supply circuit is used to convert voltage into another voltage for use by subsequent circuits. With the development of electronic products, the requirements for power supplies are becoming more and more diverse.

[0003] Chinese patent announcement No. CN211018623U discloses a DC-DC switching power supply module packaging structure, including a circuit board and a packaging shell, the packaging shell is a box-shaped structure with an open top, the circuit board is arranged in the packaging shell, and a cover plate for closing the top opening of the packaging shell is arranged above the circuit board. The beneficial effect is that the utility model arranges a plurality of elastic sealing blocks corresponding to the pin positions on the packaging shell, and the pins penetrate the sealing blocks and extend out of the packaging shell, so that the sealing blocks are pressed down to seal the connection between the pins and the packaging shell, and at the same time, the sealing blocks can realize the supporting effect of the packaging shell on the pins, thereby increasing the stability of the pin structure and having strong practicality.

[0004] However, the utility model has the following problems when actually used:

[0005] 1. The device is not equipped with a device to protect the power connection of the device. In actual use, water droplets may accidentally drop and cause a power short circuit, affecting the safety of the device;

[0006] 2. The device is not equipped with a device that can prevent dust from entering the device through the ventilation holes while ensuring smooth heat dissipation inside the device. In actual use, dust accumulation may easily cause safety hazards. Utility Model Content

[0007] 1. Technical issues to be solved

[0008] In order to overcome the above-mentioned defects of the prior art, the utility model provides a DC / DC switching power supply, which solves the problems in the prior art:

[0009] 1. The device is not equipped with a device to protect the power connection of the device. In actual use, water droplets may accidentally drop and cause a power short circuit, affecting the safety of the device;

[0010] 2. The device is not equipped with a device that can prevent dust from entering the device through the ventilation holes while ensuring smooth heat dissipation inside the device. In actual use, dust accumulation may easily cause safety hazards.

[0011] (II) Technical solution

[0012] To achieve the above purpose, the utility model is implemented through the following technical solutions: a DC / DC switching power supply, including a switching power supply body, a card cover for protection is fixedly installed on the side of the switching power supply body, a shell for protection is sleeved on the outer surface of the switching power supply body, a filter plate for dust prevention is clamped on the upper surface of the shell, a card plate for connection is fixedly installed on one side of the card cover, and a card slot for fixing is clamped on the bottom of the card plate.

[0013] Optionally, a heat dissipation hole for ventilation is provided on the upper surface of the switching power supply body, and a wiring port for connection is provided at one end of the switching power supply body.

[0014] Optionally, a hinge for rotation is provided on the top of the card cover, and a limiting hole for clamping is provided on one side of the card cover.

[0015] Optionally, a fixing plate for installation is fixedly connected to the bottom of the housing, and a threaded hole for connection is provided on the upper surface of the fixing plate.

[0016] Optionally, a filter screen for dust prevention is provided on the upper surface of the filter plate, and a T-plate for fixing is fixedly connected to the side of the filter plate.

[0017] Optionally, a locking tongue for connection is clamped on the side of the clamping plate, and a screw for fixing is provided on the side of the clamping plate.

[0018] Optionally, a square hole for plugging is provided on the upper surface of the card slot, and a spring for releasing is provided on the side of the card slot.

[0019] Optionally, a long groove for installation is provided on the upper surface of the shell, and a T-slot for snap-on is provided on the upper surface of the shell.

[0020] (III) Beneficial effects

[0021] The utility model provides a DC / DC switching power supply, which has the following beneficial effects:

[0022] 1. The DC / DC switching power supply can make the device safer and more convenient through the coordinated setting of the switching power supply body and the card cover. With the coordinated setting of the switching power supply body and the hinge on the card cover, the wire interface can be better covered and protected after the device is connected to the electrical equipment, avoiding the phenomenon of water droplets accidentally falling on the wire connection when the device is working and causing a power short circuit, thereby increasing the safety of the device.

[0023] 2. The DC / DC switching power supply can make the device more convenient and stable through the coordinated setting of the shell and the filter plate. With the help of the coordinated setting of the long groove and T-slot on the shell and the filter screen and T-plate on the filter plate, the device can be conveniently ventilated and heat-dissipated during operation, while preventing dust from entering the device from the vents, causing dust accumulation inside the device and failure to dissipate heat in time, which poses a safety hazard. At the same time, with the help of the coordinated setting of the T-plate and the T-slot, it is more convenient for the staff to clean the dust on the filter screen, thereby increasing the convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the filter plate structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the card cover structure of the utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the card board of the utility model.

[0028] In the figure: 1. Switching power supply body; 2. Card cover; 3. Shell; 4. Filter plate; 5. Card plate; 6. Card slot; 7. Heat dissipation hole; 8. Wiring port; 9. Hinge; 10. Limiting hole; 11. Fixing plate; 12. Threaded hole; 13. Filter; 14. T-plate; 15. Lock tongue; 16. Screw; 17. Square hole; 18. Spring; 19. Long slot; 20. T-slot. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment 1:

[0031] See also Figures 1 to 4 The utility model provides a technical solution: a DC / DC switching power supply, in order to make the device have better power control ability, increase the practicality of the device, and at the same time make the device have better protection ability for the power connection and increase the safety of the device, a switching power supply body 1 and a card cover 2 are set;

[0032] The utility model comprises a switching power supply body 1, a card cover 2 for protection is fixedly installed on the side of the switching power supply body 1, a heat dissipation hole 7 for ventilation is provided on the upper surface of the switching power supply body 1, and a wiring port 8 for connection is provided at one end of the switching power supply body 1. Through the setting of the heat dissipation hole 7, the heat inside the switching power supply body 1 can be better dissipated, thereby increasing the safety of the device. Through the setting of the wiring port 8, the device can be more convenient to connect with the power supply, thereby increasing the convenience of the device. A hinge 9 for rotation is provided on the top of the card cover 2, and a limiting hole 10 for clamping is provided on one side of the card cover 2. Through the setting of the hinge 9, the card cover 2 can be opened and closed more smoothly, thereby increasing the stability of the device. Through the setting of the limiting hole 10, the power line can be clamped more firmly, thereby increasing the stability of the device.

[0033] Embodiment 2:

[0034] See also Figures 1 to 4 In order to better protect the switching power supply body 1 and increase the safety of the device, and to make the device dustproof and increase the practicality of the device, a housing 3 and a filter plate 4 are provided;

[0035] The outer surface of the switching power supply body 1 is sleeved with a shell 3 for protection, and the upper surface of the shell 3 is clamped with a filter plate 4 for dust prevention. The bottom of the shell 3 is fixedly connected with a fixing plate 11 for installation. The upper surface of the fixing plate 11 is provided with a threaded hole 12 for connection. Through the matching arrangement of the fixing plate 11 and the threaded hole 12, the shell 3 can be fixed more firmly, thereby increasing the stability of the device. The upper surface of the filter plate 4 is provided with a filter screen 13 for dust prevention, and the side of the filter plate 4 is fixedly connected with a T plate 14 for clamping. Through the matching arrangement of the filter screen 13, the heat inside the switching power supply body 1 can be dissipated more smoothly, while dust can be prevented from entering the switching power supply body 1 from the heat dissipation hole 7, thereby increasing the practicality of the device. The upper surface of the shell 3 is provided with a long groove 19 for installation, and the upper surface of the shell 3 is provided with a T groove 20 for clamping. Through the setting of the long groove 19, the filter plate 4 can have a more suitable installation position, thereby increasing the practicality of the device. Through the setting of the T groove 20, the filter plate 4 can be installed more firmly, thereby increasing the stability of the device.

[0036] Embodiment three:

[0037] See also Figures 1 to 4 In order to make the card cover 2 locked more firmly and increase the stability of the device, a card plate 5 and a card slot 6 are provided;

[0038] A card plate 5 for connection is fixedly installed on one side of the card cover 2, a card slot 6 for fixing is clamped on the bottom of the card plate 5, a locking tongue 15 for connection is clamped on the side of the card plate 5, and a screw 16 for fixing is provided on the side of the card plate 5. Through the setting of the locking tongue 15, the card plate 5 can be more convenient when plugging in, which increases the convenience of the device. Through the setting of the screw 16, the card plate 5 can be fixed more firmly, which increases the stability of the device. A square hole 17 for plugging is provided on the upper surface of the card slot 6, and a spring 18 for release is provided on the side of the card slot 6. Through the setting of the square hole 17, the locking tongue 15 can have a more suitable plug-in position, which increases the practicability of the device. Through the setting of the spring 18, it is more convenient for the staff to release the locking tongue 15, which increases the convenience of the device.

[0039] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0040] In the utility model, the working steps of the device are as follows:

[0041] 1. First, snap the filter plate 4 onto the upper surface of the housing 3. After snapping, check whether the filter plate 4 is firmly snapped to avoid it falling off during operation.

[0042] 2. Secondly, snap the switch power supply body 1 into the housing 3. After snapping, install the housing 3 on the mechanical device that needs to use the switch power supply body 1;

[0043] 3. Then, install the card cover 2 on the upper surface of the switching power supply body 1. After installation, lift the card cover 2 to check whether the card cover 2 can be opened normally;

[0044] 4. Finally, connect the power cord to the wiring port 8 to ensure that the connection is firm to avoid falling off during operation.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A DC / DC switching power supply, comprising a switching power supply body (1), characterized in that: A card cover (2) for protection is fixedly mounted on the side of the switching power supply body (1); a housing (3) for protection is sleeved on the outer surface of the switching power supply body (1); a filter plate (4) for dust prevention is clamped on the upper surface of the housing (3); a card plate (5) for connection is fixedly mounted on one side of the card cover (2); a card slot (6) for fixing is clamped on the bottom of the card plate (5).

2. A DC / DC switching power supply according to claim 1, characterized in that: The upper surface of the switching power supply body (1) is provided with a heat dissipation hole (7) for ventilation, and one end of the switching power supply body (1) is provided with a wiring port (8) for connection.

3. A DC / DC switching power supply according to claim 1, characterized in that: A hinge (9) for rotation is provided on the top of the card cover (2), and a limiting hole (10) for clamping is provided on one side of the card cover (2).

4. A DC / DC switching power supply according to claim 1, characterized in that: A fixing plate (11) for installation is fixedly connected to the bottom of the housing (3), and a threaded hole (12) for connection is provided on the upper surface of the fixing plate (11).

5. A DC / DC switching power supply according to claim 1, characterized in that: The upper surface of the filter plate (4) is provided with a filter screen (13) for dust prevention, and the side surface of the filter plate (4) is fixedly connected with a T-plate (14) for clamping.

6. A DC / DC switching power supply according to claim 1, characterized in that: A locking tongue (15) for connection is clamped on the side of the clamping plate (5), and a screw (16) for fixing is provided on the side of the clamping plate (5).

7. A DC / DC switching power supply according to claim 1, characterized in that: A square hole (17) for plugging is provided on the upper surface of the card slot (6), and a spring (18) for releasing is provided on the side surface of the card slot (6).

8. A DC / DC switching power supply according to claim 1, characterized in that: The upper surface of the shell (3) is provided with a long groove (19) for installation, and the upper surface of the shell (3) is provided with a T groove (20) for clamping.

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