CN218183260U - AC-DC constant current and voltage switch power supply - Google Patents
AC-DC constant current and voltage switch power supply Download PDFInfo
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- CN218183260U CN218183260U CN202221604723.9U CN202221604723U CN218183260U CN 218183260 U CN218183260 U CN 218183260U CN 202221604723 U CN202221604723 U CN 202221604723U CN 218183260 U CN218183260 U CN 218183260U
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- fixedly connected
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- power supply
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Abstract
The utility model discloses an AC-DC constant current and voltage switch power supply, which relates to the technical field of switch power supplies and comprises a circuit structure that a protective shell is electrically connected with the inside; the fixed cover is fixedly connected with the protective shell and is positioned on the inner side surface of the protective shell; the heat dissipation holes are formed in the outer side surface of the protective shell; the damping structure is fixedly connected with the protective shell and is positioned on the inner side surface of the protective shell; the circuit board is fixedly connected with the damping structure and located on the outer side face of the damping structure, and the circuit board is located inside the protective shell. The utility model discloses meet with the striking back at equipment, fixed spring can bring the impact with carrying the extension spring, absorbs the impact force that produces through the hydraulic damper who sets up, brings the buffering for circuit board, reduces the harm that the striking was brought, and improve equipment's life brings better use prospect.
Description
Technical Field
The utility model relates to a switching power supply technical field specifically is a AC-DC constant current constant voltage switching power supply.
Background
The switch power supply is a power supply which utilizes the modern power electronic technology to control the on-off time ratio of a switch tube and maintain stable output voltage, the switch power supply technology is continuously innovated along with the development and innovation of the power electronic technology, the switch power supply is widely applied to almost all electronic equipment by the characteristics of small size, light weight and high efficiency, and the switch power supply is an indispensable power supply mode for the rapid development of the current electronic information industry.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a AC-DC constant current constant voltage switch power supply has solved switching power supply and has caused the condition of equipment damage owing to colliding with in the use, has played and has prevented falling absorbing effect.
(II) technical scheme
In order to achieve the above purpose, the utility model adopts the technical proposal that: an AC-DC constant-current constant-voltage switching power supply comprises a protective shell and a circuit structure electrically connected with the inside of the protective shell;
the fixed cover is fixedly connected with the protective shell and is positioned on the inner side surface of the protective shell;
the heat dissipation holes are formed in the outer side face of the protective shell;
the shock absorption structure is fixedly connected with the protective shell, and the shock absorption structure is positioned on the inner side surface of the protective shell;
the circuit board is fixedly connected with the damping structure, the circuit board is located on the outer side face of the damping structure, and the circuit board is located inside the protective shell.
Preferably, shock-absorbing structure is including connecting the base, connect base and protecting sheathing fixed connection, the connection base is located protecting sheathing's medial surface, the medial surface fixedly connected with a plurality of hydraulic damper of connection base, the last fixed surface fixedly connected with fixed plate of hydraulic damper, fixed plate and circuit mainboard fixed connection, the lateral surface fixedly connected with of circuit mainboard is carried and is drawn the structure, the fixed plate with be connected base sliding connection.
Preferably, the connecting base is filled with a sponge block, the outer surfaces of the two sides of the circuit main board are fixedly connected with fixing springs, and the fixing springs are fixedly connected with the inner side surface of the protective shell.
Preferably, the lifting structure comprises a lifting spring, the upper surface of the circuit main board is fixedly connected with a first fixed block, the inner side surface of the protective shell is fixedly connected with a second fixed block, two ends of the lifting spring are respectively and fixedly connected with the first fixed block and the second fixed block, and the lifting spring is used for lifting the circuit main board.
Preferably, the circuit structure includes a start circuit, an under-voltage protection unit, a rectification filter, a controller, a high-frequency transformer, a short-circuit protection and an output port, which are electrically connected with each other.
Preferably, the high-frequency transformer is composed of an iron core and a coil, and the coil has two or more windings.
Preferably, the short-circuit protection is mainly provided with a fuse.
(III) advantageous effects
The beneficial effects of the utility model reside in that:
1. this AC-DC constant current constant voltage switching power supply, through there being the connection base at the protecting sheathing internal fixation, there are a plurality of hydraulic damper at the connection base internal fixation, hydraulic damper is fixed with the fixed plate, the fixed plate is fixed with circuit board, encounter the striking back at equipment, fixed spring can bring the impact with carrying the extension spring, the impact force that will produce through the hydraulic damper who sets up absorbs, bring the buffering for circuit board, reduce the harm that the striking brought, improve equipment's life, bring better use prospect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is an enlarged schematic view of the section A in FIG. 2;
fig. 4 is a schematic diagram of the circuit structure of the present invention.
In the figure: 1. a fixed cover; 2. a protective housing; 3. heat dissipation holes; 4. a shock-absorbing structure; 5. a lifting structure; 6. a fixed spring; 7. a fixing plate; 8. connecting a base; 9. a hydraulic damper; 10. a sponge block; 11. a circuit main board; 12. a circuit structure; 501. a first fixed block; 502. a second fixed block; 503. lifting the spring; 1201. a start-up circuit; 1202. an undervoltage protection unit; 1203. rectifying and filtering; 1204. a controller; 1205. a high-frequency transformer; 1206. short-circuit protection; 1207. and (6) an output port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model provides a technical solution: an AC-DC constant current and voltage switch power supply comprises a protective shell 2 and a circuit structure 12 which is electrically connected with the interior;
the fixing cover 1 is fixedly connected with the protective shell 2, and the fixing cover 1 is positioned on the inner side surface of the protective shell 2;
the heat dissipation holes 3 are formed in the outer side surface of the protective shell 2;
the damping structure 4 is fixedly connected with the protective shell 2, and the damping structure 4 is positioned on the inner side surface of the protective shell 2;
Further, shock-absorbing structure 4 is including connecting base 8, connects base 8 and 2 fixed connection of protecting sheathing, connects the medial surface that base 8 is located protecting sheathing 2, connects a plurality of hydraulic damper 9 of medial surface fixedly connected with of base 8, and the last fixed surface of hydraulic damper 9 is connected with fixed plate 7, fixed plate 7 and circuit board 11 fixed connection, and the lateral surface fixedly connected with of circuit board 11 is carried and is drawn structure 5, fixed plate 7 with be connected 8 sliding connection of base.
The hydraulic damper 9 is a hydraulic feed rate control device capable of freely adjusting the feed rate of the cylinder from a low rate to a high rate within a desired range, and the control method includes two types, namely a spring return type and an air return type, and can be selected according to the application.
Further, the sponge block 10 is filled in the connecting base 8, the fixing springs 6 are fixedly connected to the outer surfaces of the two sides of the circuit main board 11, and the fixing springs 6 are fixedly connected with the inner side surface of the protective shell 2.
Further, the pulling structure 5 includes a pulling spring 503, a first fixing block 501 is fixedly connected to the upper surface of the circuit board 11, a second fixing block 502 is fixedly connected to the inner side surface of the protective casing 2, two ends of the pulling spring 503 are respectively fixedly connected to the first fixing block 501 and the second fixing block 502, and the pulling spring 503 is used for pulling up the circuit board 11.
Further, the circuit structure 12 includes a start circuit 1201, an under-voltage protection unit 1202, a rectification filter 1203, a controller 1204, a high-frequency transformer 1205, a short-circuit protection 1206 and an output port 1207, which are electrically connected to each other.
Rectifying: the form of the airflow, the water flow or the current can be adjusted, and in the aspect of power electronics: converting AC power to DC power is referred to as AC/DC conversion, and the converted power flows from the power source to the load, and is referred to as rectification.
Filtering: the method is an operation of filtering specific band frequencies in a signal, is an important measure for inhibiting and preventing interference, is a probability theory and a method for estimating another random process related to a certain random process according to the result of observing the random process, and filtering is an important concept in signal processing and is divided into classical filtering and modern filtering.
Further, the high-frequency transformer 1205 is composed of an iron core and a coil having two or more windings.
Furthermore, a fuse is adopted as a main body in the short-circuit protection 1206.
There is connection base 8 at protecting sheathing 2 internal fixation, at connection base 8 internal fixation there are a plurality of hydraulic damper 9, hydraulic damper 9 is fixed with fixed plate 7, fixed plate 7 is fixed with circuit board 11, meet the striking at equipment, fixed spring 6 can bring the impact with lifting spring 503, absorb the impact force that produces through the hydraulic damper 9 that sets up, bring the buffering for circuit board 11, reduce the harm that the striking brought, improve equipment's life, bring better use prospect.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An AC-DC constant current and constant voltage switch power supply is characterized in that: comprises a protective shell (2) and a circuit structure (12) electrically connected with the interior;
the fixing cover (1), the fixing cover (1) is fixedly connected with the protective shell (2), and the fixing cover (1) is positioned on the inner side surface of the protective shell (2);
the heat dissipation holes (3), wherein the heat dissipation holes (3) are formed in the outer side surface of the protective shell (2);
the damping structure (4) is fixedly connected with the protective shell (2), and the damping structure (4) is positioned on the inner side surface of the protective shell (2);
circuit mainboard (11), circuit mainboard (11) and shock-absorbing structure (4) fixed connection, circuit mainboard (11) are located the lateral surface of shock-absorbing structure (4), circuit mainboard (11) are located the inside of protecting sheathing (2).
2. An AC-DC constant-current constant-voltage switching power supply according to claim 1, wherein: the shock absorption structure (4) comprises a connecting base (8), the connecting base (8) is fixedly connected with the protective shell (2), the connecting base (8) is located on the inner side face of the protective shell (2), a plurality of hydraulic dampers (9) are fixedly connected to the inner side face of the connecting base (8), a fixing plate (7) is fixedly connected to the upper surface of each hydraulic damper (9), the fixing plate (7) is fixedly connected with a circuit main board (11), a lifting structure (5) is fixedly connected to the outer side face of the circuit main board (11), and the fixing plate (7) is connected with the connecting base (8) in a sliding mode.
3. An AC-DC constant-current constant-voltage switching power supply according to claim 2, wherein: the novel LED lamp is characterized in that a sponge block (10) is filled in the connecting base (8), fixing springs (6) are fixedly connected to the outer surfaces of the two sides of the circuit main board (11), and the fixing springs (6) are fixedly connected with the inner side face of the protective shell (2).
4. An AC-DC constant current and voltage switching power supply according to claim 2, wherein: the lifting structure (5) comprises a lifting spring (503), a first fixing block (501) is fixedly connected to the upper surface of the circuit main board (11), a second fixing block (502) is fixedly connected to the inner side surface of the protective shell (2), two ends of the lifting spring (503) are fixedly connected with the first fixing block (501) and the second fixing block (502) respectively, and the lifting spring (503) is used for lifting the circuit main board (11).
5. An AC-DC constant current and voltage switching power supply according to claim 1, wherein: the circuit structure (12) comprises a starting circuit (1201), an under-voltage protection unit (1202), a rectifying filter (1203), a controller (1204), a high-frequency transformer (1205), a short-circuit protection (1206) and an output port (1207), wherein the internal parts of the starting circuit, the under-voltage protection unit and the high-frequency transformer are electrically connected with each other.
6. An AC-DC constant current and voltage switching power supply according to claim 5, wherein: the high frequency transformer (1205) is comprised of an iron core and a coil having two or more windings.
7. An AC-DC constant current and voltage switching power supply according to claim 5, wherein: and a fuse is adopted as a main body in the short-circuit protection (1206).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221604723.9U CN218183260U (en) | 2022-06-24 | 2022-06-24 | AC-DC constant current and voltage switch power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221604723.9U CN218183260U (en) | 2022-06-24 | 2022-06-24 | AC-DC constant current and voltage switch power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218183260U true CN218183260U (en) | 2022-12-30 |
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ID=84611970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221604723.9U Active CN218183260U (en) | 2022-06-24 | 2022-06-24 | AC-DC constant current and voltage switch power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218183260U (en) |
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2022
- 2022-06-24 CN CN202221604723.9U patent/CN218183260U/en active Active
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