Adjustable AC output power supply

Abstract

The utility model discloses an adjustable AC output power supply, which comprises a closed operation mechanism and a heat dissipation mechanism, the closed operation mechanism comprises a bottom shell, a sliding groove is arranged in the bottom shell, a deep groove is arranged in the sliding groove, a clamping groove is arranged in the bottom shell, a clamping block is arranged in the clamping groove, and a connecting block is arranged in the sliding groove. The inner side of the bottom shell is fixedly connected with a mounting plate through screws, and a transformer, a rectifier, a filter, an inverter and a circuit breaker are fixedly mounted on the upper side of the mounting plate. Through the arrangement of the closed operation mechanism, the clamping block slides into the sliding groove from the deep groove, then the clamping block is moved, the clamping block finally slides into the clamping groove to be clamped in the clamping groove, through the arrangement of the connecting block, the upper shell is clamped on the upper side of the bottom shell, and when the upper shell and the bottom shell are installed together, even if bolts are loosened, the upper shell and the bottom shell can be clamped in the clamping groove. And the upper shell is not easy to fall off from the bottom shell, so that the upper shell and the bottom shell can better protect internal running elements.

Description

Technical Field

[0001] The utility model relates to the technical field of adjustable transmission power supply, in particular to an adjustable AC output power supply. Background Art

[0002] An adjustable AC output power supply is a power supply device that can generate adjustable AC output; this power supply is usually used in laboratories, factories, test equipment, electronic equipment and other fields to provide adjustable AC power supply.

[0003] Most of the current adjustable AC output power supplies require a shell for placing components when in use, but most of the shells for placing components are composed of two shells combined and fixed by bolts. However, if the bolts fall off and are not discovered in time, the components may be exposed to the outside, which may cause certain dangers when the components are in operation and is not practical. Therefore, in order to solve the above problems, an adjustable AC output power supply is proposed. Utility Model Content

[0004] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides an adjustable AC output power supply.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable AC output power supply, comprising a closed operating mechanism and a heat dissipation mechanism, the closed operating mechanism comprising a bottom shell, a slide groove is provided inside the bottom shell, a deep groove is provided inside the slide groove, a card slot is provided inside the bottom shell, a card block is provided inside the card slot, a connecting block is provided inside the slide groove, a mounting plate is fixedly connected to the inner side of the bottom shell by screws, a transformer, a rectifier, a filter, an inverter and a circuit breaker are fixedly installed on the upper side of the mounting plate, the transformer, rectifier, filter, inverter and circuit breaker are electrically connected, an upper shell is fixedly connected to the upper side of the connecting block, five mounting plates are provided, a component is installed on each mounting plate, and each mounting plate is separated by a distance.

[0006] Preferably, the card block is arranged on the lower side of the connecting block and is fixedly connected to the connecting block. The card block is slidably connected to the slide groove. The card block first enters the slide groove by going deep into the groove, and then can slide and get stuck in the interior of the card groove.

[0007] Preferably, an input port is fixedly connected to the interior of the bottom shell, and an output port is fixedly connected to the interior of the bottom shell. The input port is arranged at one side of the interior of the bottom shell, and the output port is arranged at another side of the interior of the bottom shell.

[0008] Preferably, the bottom shell and the upper shell are fixedly connected with fixing plates on both sides, and the fixing holes are formed through the surface of the fixing plates. Bolts can be passed through the fixing holes and fixed together through the fixing plates. After the clamping block is inserted into the clamping slot, the fixing plates on both sides of the upper shell will be aligned with the fixing plates on both sides of the bottom shell.

[0009] Preferably, a ventilation groove is opened inside the upper shell, and a first dustproof net is fixedly connected to the inside of the ventilation groove. Rubber blocks are fixedly connected to the upper side of the upper shell and the lower side of the bottom shell. Several rubber blocks are provided to protect the upper shell and the bottom shell. The first dustproof net can prevent dust from entering the bottom shell and the upper shell.

[0010] Preferably, the heat dissipation mechanism includes a mounting groove, which is opened inside the bottom shell, a fixing rod is fixedly connected to the inner side of the mounting groove, a motor is fixedly installed at one end of the fixing rod, a fan blade is fixedly connected to the output end of the motor, and a second dustproof net is fixedly connected to the inside of the mounting groove, and two fixing rods are provided, so that the motor can be installed more stably. The provision of the second dustproof net can prevent dust from entering the bottom shell and the upper shell from the mounting groove.

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

[0012] 1. The utility model sets a closed operation mechanism, slides the card block from the deep groove into the slide groove, and then moves the card block so that the card block finally slides into the card groove and is stuck in the card groove. Through the setting of the connecting block, the upper shell is stuck on the upper side of the bottom shell, so that when the upper shell and the bottom shell are installed together, even if the bolts are loosened, the upper shell will not easily fall off from the bottom shell, so that the upper shell and the bottom shell can better protect the components running inside. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is a schematic diagram of the first structure of the utility model, which is a front view of the whole structure;

[0015] Figure 2 This is a schematic diagram of the second structure of the utility model, which is a front view of the whole structure;

[0016] Figure 3 This is a schematic diagram of the structure of the first front view section of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the second front cross-section of the utility model;

[0018] Figure 5 It is a schematic diagram of the overall structure of the utility model when viewed from below.

[0019] In the figure: 1. bottom shell; 2. slide groove; 3. deep groove; 4. card slot; 5. card block; 6. connection block; 7. mounting plate; 8. transformer; 9. rectifier; 10. filter; 11. inverter; 12. circuit breaker; 13. upper shell; 14. input port; 15. output port; 16. fixing plate; 17. fixing hole; 18. ventilation groove; 19. first dustproof net; 20. rubber block; 21. mounting slot; 22. fixing rod; 23. motor; 24. fan blade; 25. second dustproof net. DETAILED DESCRIPTION

[0020] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0021] See also Figure 1-5, an adjustable AC output power supply, including a closed operating mechanism and a heat dissipation mechanism, the closed operating mechanism includes a bottom shell 1, a slide groove 2 is provided inside the bottom shell 1, a deep groove 3 is provided inside the slide groove 2, a card slot 4 is provided inside the bottom shell 1, a card block 5 is provided inside the card slot 4, a connecting block 6 is provided inside the slide groove 2, a mounting plate 7 is fixedly connected to the inner side of the bottom shell 1 by screws, a transformer 8, a rectifier 9, a filter 10, an inverter 11 and a circuit breaker 12 are fixedly installed on the upper side of the mounting plate 7, the transformer 8, the rectifier 9, the filter 10, the inverter 11 and the circuit breaker 12 are electrically connected, and an upper connecting block 6 is fixedly connected to the upper side of the connecting block 6 Shell 13, card block 5 is arranged on the lower side of connecting block 6 and fixedly connected with connecting block 6, card block 5 is slidably connected with slide slot 2, transformer 8 is one of the key components for converting input voltage into required output voltage, it can realize the adjustment of different output voltages by changing transformer 8, rectifier 9 converts AC input voltage into DC voltage, for adjustable AC output power supply, filter 10 is used to remove pulsating components in DC voltage to obtain stable output voltage, first, power supply receives input AC power through a transformer 8; this transformer 8 can adjust voltage level according to needs, it can both increase and decrease input voltage; after transformer The AC voltage regulated by the converter 8 is fed into a rectifier 9, which converts the AC power into DC power. After conversion to DC power, the current passes through a filter 10, which reduces the ripples in the DC current, thereby producing a relatively stable DC signal. The filtered DC power is then fed into an inverter 11, which converts the DC power back into AC power while allowing the frequency and voltage of the output AC power to be precisely controlled. In order to ensure the accuracy and stability of the output voltage, the device will have a system that uses a feedback control mechanism. At the same time, when in use, in order to prevent overload, the current will pass through a circuit breaker 12; When in use, first install the mounting plate 7 inside the bottom shell 1 by screws, then install the transformer 8, rectifier 9, filter 10, inverter 11 and circuit breaker 12 on the upper side of the mounting plate 7, then slide the block 5 from the deep groove 3 into the slide groove 2, and then move the block 5 so that the block 5 finally slides into the slot 4 and is stuck in the slot 4. Through the setting of the connecting block 6, the upper shell 13 is stuck on the upper side of the bottom shell 1, so that when the upper shell 13 and the bottom shell 1 are installed together, even if the bolts are loosened, the upper shell 13 will not easily fall off from the bottom shell 1, so that the upper shell 13 and the bottom shell 1 can better protect the components running inside.

[0022] In one aspect of this embodiment, the circuit is first connected to the transformer 8 through the input port 14, and then extends through the rectifier 9, the filter 10, the inverter 11 and the circuit breaker 12, so that the circuit extends out through the output port 15. After the upper shell 13 is connected to the bottom shell 1, the bolts are passed through the fixing holes 17 and the fixing plates 16 to fix the upper shell 13 and the bottom shell 1 together for use.

[0023] In one aspect of the present embodiment, by providing the rubber block 20, the upper and lower sides of the device can be protected from bumps. When the components inside the upper shell 13 and the bottom shell 1 are in operation, heat will be dissipated. At this time, the motor 23 fixed by the fixing rod 22 can be started to drive the fan blades 24 to rotate, so that the heat can be extracted from the mounting groove 21, and fresh air will flow into the upper shell 13 and the bottom shell 1 from the ventilation groove 18. By providing the first dustproof net 19 and the second dustproof net 25, air can be prevented from entering the space inside the upper shell 13 and the bottom shell 1.

[0024] Working principle of the utility model: when the adjustable AC output power supply is in use, the transformer 8, the rectifier 9, the filter 10, the inverter 11 and the circuit breaker 12 are installed on the upper side of the mounting plate 7, the card block 5 is slid from the deep groove 3 into the slide groove 2, and then the card block 5 is moved so that the card block 5 finally slides into the card groove 4 and is stuck in the card groove 4. Through the setting of the connecting block 6, the upper shell 13 is stuck on the upper side of the bottom shell 1, so that when the upper shell 13 and the bottom shell 1 are installed together, after the upper shell 13 and the bottom shell 1 are docked, the bolts are passed through the fixing holes 17 and the fixing plates 16 to fix the upper shell 13 and the bottom shell 1 together for use, and then the circuit is connected to the transformer 8 through the input port 14, and the power supply receives the input AC power through a transformer 8; this transformer 8 can adjust the voltage level according to the needs, and can both increase and decrease the input voltage; the AC voltage adjusted by the transformer 8 will be sent to A rectifier 9, which converts AC power into DC power; after conversion into DC power, the current will pass through a filter 10, this step reduces the ripples in the DC current, thereby generating a relatively stable DC signal; the filtered DC power is then sent to an inverter 11, the function of the inverter 11 is to convert DC power back into AC power, while allowing the frequency and voltage of the output AC power to be accurately controlled. In order to ensure the accuracy and stability of the output voltage, the device will have a system that adopts a feedback control mechanism. At the same time, when in use, in order to prevent overload, the current will pass through the circuit breaker 12. Finally, the power supply can extend from the output port 15. The component will dissipate heat when it is running. At this time, the motor 23 fixed by the fixing rod 22 can be started to drive the fan blades 24 to rotate, so that the heat can be extracted from the mounting slot 21. In this scheme, all electrical equipment is powered by an external power supply.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An adjustable AC output power supply, comprising a closed operation mechanism and a heat dissipation mechanism, characterized in that: The closed operating mechanism comprises a bottom shell (1), a slide groove (2) is provided inside the bottom shell (1), a deep groove (3) is provided inside the slide groove (2), a clamping groove (4) is provided inside the bottom shell (1), a clamping block (5) is provided inside the clamping groove (4), a connecting block (6) is provided inside the slide groove (2), a mounting plate (7) is fixedly connected to the inner side of the bottom shell (1) by screws, a transformer (8), a rectifier (9), a filter (10), an inverter (11) and a circuit breaker (12) are fixedly installed on the upper side of the mounting plate (7), the transformer (8), the rectifier (9), the filter (10), the inverter (11) and the circuit breaker (12) are electrically connected, and an upper shell (13) is fixedly connected to the upper side of the connecting block (6).

2. The adjustable AC output power supply according to claim 1, characterized in that: The clamping block (5) is arranged on the lower side of the connecting block (6) and is fixedly connected to the connecting block (6); the clamping block (5) is slidably connected to the sliding groove (2).

3. The adjustable AC output power supply according to claim 1, characterized in that: An input port (14) is fixedly connected to the interior of the bottom shell (1), and an output port (15) is fixedly connected to the interior of the bottom shell (1).

4. The adjustable AC output power supply according to claim 1, characterized in that: A fixing plate (16) is fixedly connected to both sides of the bottom shell (1) and the upper shell (13), and a fixing hole (17) is formed through the surface of the fixing plate (16).

5. The adjustable AC output power supply according to claim 1, characterized in that: A ventilation groove (18) is provided inside the upper shell (13), a first dustproof net (19) is fixedly connected inside the ventilation groove (18), and a rubber block (20) is fixedly connected to the upper side of the upper shell (13) and the lower side of the bottom shell (1).

6. The adjustable AC output power supply according to claim 1, characterized in that: The heat dissipation mechanism comprises a mounting groove (21), the mounting groove (21) being arranged inside the bottom shell (1), a fixing rod (22) being fixedly connected to the inner side of the mounting groove (21), a motor (23) being fixedly mounted on one end of the fixing rod (22), a fan blade (24) being fixedly connected to the output end of the motor (23), and a second dustproof net (25) being fixedly connected to the inside of the mounting groove (21).

Images