Voltage regulating device

Abstract

The utility model discloses a voltage regulating device, which comprises a machine body and a front panel arranged on one side of the machine body, a switch and a regulating knob are respectively arranged on the front panel, and an input interface and an output interface are respectively arranged on one side of the machine body far away from the front panel. External circuits are respectively connected into the input interface and the output interface, after the input interface and the output interface are inserted, the connecting rod is jacked, the two conductive blocks are separated, voltage is adjusted by rotating the adjusting knob, although the conductive rod is in contact with the conductive ring, the circuit is still in an open-circuit state, the buzzer does not work, and when the external circuits are pulled out, under the resilience force effect of the elastic piece, the circuit is still in an open-circuit state. The conductive block is in contact, the conductive rod is in contact with the conductive ring, the circuit is connected, the buzzer makes a sound to remind a worker that the adjusting knob needs to be rotated to the zero point position, and therefore when a circuit is connected and used next time, the conditions of overvoltage and equipment damage caused by overlarge voltage are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power equipment, in particular to a voltage regulating device. Background Art

[0002] Voltage regulation can adjust the output value of voltage to meet the needs of different electrical equipment. After the staff inserts the plug of the electrical equipment into the socket of the voltage regulator, they adjust the voltage by manually adjusting the voltage knob. In order to ensure the safe operation of the equipment, the voltage regulator needs to reset the output voltage to zero before use to avoid the output voltage value exceeding the rated voltage of the electrical equipment and causing damage to the electrical equipment. However, in actual use, since zeroing the output voltage requires additional operations, users may forget to reset the output voltage to zero, affecting the safety of the electrical equipment. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a voltage regulating device.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A voltage regulating device comprises a body and a front panel arranged on one side thereof, wherein a switch and an adjusting knob are respectively arranged on the front panel, an input interface and an output interface are respectively arranged on the side of the body away from the front panel, a buzzer is arranged inside the body, a safety switch a is controlled by the adjusting knob, a safety switch b is arranged in the input interface, and the safety switch a and the safety switch b jointly control the buzzer.

[0006] Preferably, the safety switch a comprises a conductive ring installed inside the body, the conductive ring is provided with a notch, the notch corresponds to the zero position of the adjustment knob, the adjustment knob is coaxially connected to a center rod, the side wall of the center rod is connected to a conductive rod, and the conductive rod is in contact with the conductive ring.

[0007] Preferably, the safety switch b comprises a connecting rod slidably connected to the side wall of the body, the connecting rod is located inside the input interface, an elastic member is provided on the connecting rod, and conductive blocks are provided at the end of the connecting rod and the inner wall of the body.

[0008] Preferably, a mounting bottom beam is provided at the bottom of the machine body, a slide rail is provided at the bottom of the machine body, and locking screws are installed on the front panel.

[0009] Preferably, the side wall of the body is provided with a heat dissipation opening.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model connects the external line to the input interface and the output interface respectively. After insertion, the connecting rod is pushed, the two conductive blocks are separated, and the voltage is adjusted by rotating the adjustment knob. Although the conductive rod is in contact with the conductive ring, the circuit is still in an open circuit state, and the buzzer does not work. When the external line is unplugged, under the action of the elastic force of the elastic part, the conductive blocks are in contact, the conductive rod is in contact with the conductive ring, the circuit is connected, and the buzzer makes a sound to remind the staff that they need to turn the adjustment knob to the zero position. In this way, when the line is connected and used next time, overvoltage will not occur due to excessive voltage, thereby damaging the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more specifically and intuitively illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0012] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0013] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0014] Figure 3 The structure of the utility model is shown in FIG. Figure 3 ;

[0015] Figure 4 The structure of the utility model is shown in FIG. Figure 4 ;

[0016] Figure 5 This is a structural schematic diagram of the safety switch a proposed by the utility model.

[0017] In the figure: body 1, switch 2, adjustment knob 3, mounting bottom beam 4, slide rail 5, locking screw 6, heat dissipation port 7, front panel 8, input interface 9, output interface 10, conductive block 11, connecting rod 12, elastic member 13, conductive ring 14, center rod 15, conductive rod 16, limit block 17. 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] Reference Figure 1-5A voltage regulating device comprises a body 1 and a front panel 8 arranged on one side thereof, a switch 2 and an adjusting knob 3 are respectively arranged on the front panel 8, an input interface 9 and an output interface 10 are respectively arranged on the side of the body 1 away from the front panel 8, a buzzer is arranged inside the body 1, a safety switch a is controlled by the adjusting knob 3, a safety switch b is arranged in the input interface 9, the safety switch a and the safety switch b jointly control the buzzer, and power is provided by an external power supply.

[0020] Connect the external line to the input interface 9 and the output interface 10 respectively. After insertion, the connecting rod 12 is pushed and the two conductive blocks 11 are separated. The voltage is adjusted by rotating the adjusting knob 3. Although the conductive rod 16 is in contact with the conductive ring 14, the circuit is still in an open circuit state and the buzzer does not work. Unplug the external line and under the action of the rebound force of the elastic member 13, the conductive blocks 11 are in contact, the conductive rod 16 is in contact with the conductive ring 14, the circuit is connected, and the buzzer sounds to remind the staff to turn the adjusting knob 3 to the zero position. In this way, the next time the line is connected and used, there will be no overvoltage due to excessive voltage, which will damage the equipment.

[0021] In this embodiment, the safety switch a includes a conductive ring 14 installed inside the body 1, the conductive ring 14 is provided with a notch, the notch corresponds to the zero point position of the adjustment knob 3, the adjustment knob 3 is coaxially connected to a center rod 15, the side wall of the center rod 15 is connected to a conductive rod 16, and the conductive rod 16 is in contact with the conductive ring 14.

[0022] In this embodiment, the safety switch b includes a connecting rod 12 slidably connected to the side wall of the body 1, the connecting rod 12 is located inside the input interface 9, an elastic member 13 is provided on the connecting rod 12, and conductive blocks 11 are provided at the ends of the connecting rod 12 and the inner wall of the body 1.

[0023] In this embodiment, a mounting bottom beam 4 is provided at the bottom of the body 1, a slide rail 5 is provided at the bottom of the body 1, a locking screw 6 is installed on the front panel 8 for fixing the body 1, and a heat dissipation port 7 is provided on the side wall of the body 1.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A voltage regulating device, comprising a body (1) and a front panel (8) arranged on one side thereof, characterized in that: The front panel (8) is provided with a switch (2) and an adjusting knob (3), an input interface (9) and an output interface (10) are provided on a side of the body (1) away from the front panel (8), a buzzer is provided inside the body (1), a safety switch a is controlled by the adjusting knob (3), a safety switch b is provided inside the input interface (9), and the safety switch a and the safety switch b jointly control the buzzer.

2. A voltage regulating device according to claim 1, characterized in that: The safety switch a comprises a conductive ring (14) installed inside a body (1), the conductive ring (14) being provided with a notch, the notch corresponding to the zero position of the adjusting knob (3), the adjusting knob (3) being coaxially connected to a center rod (15), the side wall of the center rod (15) being connected to a conductive rod (16), the conductive rod (16) being in contact with the conductive ring (14).

3. A voltage regulating device according to claim 2, characterized in that: The safety switch b comprises a connecting rod (12) slidably connected to the side wall of the body (1), the connecting rod (12) is located inside the input interface (9), an elastic member (13) is provided on the connecting rod (12), and conductive blocks (11) are provided at the end of the connecting rod (12) and the inner wall of the body (1).

4. A voltage regulating device according to claim 3, characterized in that: The bottom of the machine body (1) is provided with a mounting bottom beam (4), the bottom of the machine body (1) is provided with a slide rail (5), and the front panel (8) is provided with a locking screw (6).

5. A voltage regulating device according to claim 4, characterized in that: The side wall of the machine body (1) is provided with a heat dissipation opening (7).

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