Overload protector with sound-light alarm

Abstract

The overload protector comprises a protector main body, an installation housing, pins and a protection button, one side of the protector main body is connected with the installation housing, one side of the installation housing far away from the protector main body is connected with a light alarm device, one side of the installation housing is provided with an alarm switch, and the alarm switch is connected with the pins. Two sets of connecting holes are symmetrically formed in the upper portion of the protector body and the upper portion of the mounting shell, connecting protrusions are arranged on the lower portion of the protector body and the lower portion of the mounting shell, the two sets of pins are arranged, and the two sets of pins are symmetrically connected to the bottom of the protector body with the connecting protrusions as symmetry axes. The center of the top of the protector body is connected with the pressing connection block, the protection button is installed in the pressing connection block, sound-light alarm can be carried out, people are reminded of circuit problems through sound and light, and loss caused by the fact that power failure is not found in time during power failure is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of overload protectors, in particular to an overload protector with sound and light alarms. Background Art

[0002] Overload protection is an overload protection device installed to prevent the main power line from overloading and causing the protector to overheat and be damaged. In factories, research institutes and other important places, if power outages are not discovered in time, serious losses may occur.

[0003] The patent with application number CN201810240472.2 was retrieved and proposed an overload protector with a simple structure. When the bimetallic strip is deformed, the moving contact will rotate so that the moving contact is separated from the static contact. It is very sensitive and easy to use.

[0004] The above-mentioned similar scheme, when the circuit is overloaded, although its structure is simple, when the bimetallic strip is deformed, the moving contact will rotate so that the moving contact and the static contact are separated, the reaction is very sensitive, and it is also very convenient to use. However, it is not equipped with an audible and visual alarm device. In the case of overload and power failure, it cannot attract people's attention more intuitively, which may result in failure to discover the circuit problem in time and cause losses due to power failure.

[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and an overload protector with sound and light alarm is proposed, in order to achieve a more practical purpose. Utility Model Content

[0006] The purpose of the utility model is to provide an overload protector with sound and light alarm to solve the problem that an overload protector mentioned in the above background is not provided with a sound and light alarm device. In the case of overload power failure, it cannot attract people's attention more intuitively, which may cause the circuit problem not to be discovered in time and cause losses due to power failure.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an overload protector with sound and light alarm, comprising a protector body, a mounting shell, pins and a protection button, one side of the protector body is connected to the mounting shell, and the side of the mounting shell away from the protector body is connected to a light alarm device, a sound port is provided below the light alarm device, one side of the mounting shell is provided with an alarm switch, two groups of connecting holes are symmetrically provided above the protector body and the mounting shell, and connecting protrusions are provided below the protector body and the mounting shell, two groups of pins are provided, and the two groups of pins are symmetrically connected to the bottom of the protector body with the connecting protrusion as the symmetry axis, a press connection block is connected to the top center of the protector body, and the protection button is installed inside the press connection block.

[0008] Preferably, the light alarm device includes a mounting block, an alarm light and an indicator light, and the indicator light and the indicator light are both mounted on a side of the mounting block away from the mounting shell, and the alarm light and the indicator light are located on the same horizontal line, a mounting groove is provided on the inner side of the mounting shell, and the mounting block is connected in the mounting groove.

[0009] Preferably, an audio alarm device is installed near the audio port inside the mounting shell, a sound and light controller is arranged between the light alarm device and the audio alarm device, and a No. 1 connecting wire is arranged on the light alarm device and the audio alarm device, and two groups of the No. 1 connecting wires are connected to one end of the sound and light controller, a No. 2 connecting wire is connected to the end of the sound and light controller away from the No. 1 connecting wire, and an end of the No. 2 connecting wire away from the sound and light controller is connected to the alarm switch, and the sound and light controller is in contact with the pin.

[0010] Preferably, a slider is connected below the protection button, and a pressure block is provided at the connection between the slider and the protection button, a return spring column is connected to the bottom of the slider, and an elastic contact piece is provided on the side of the slider close to the protector body.

[0011] Preferably, a moving contact and a stationary contact are provided on one side of the elastic contact piece, and the stationary contact is provided at the top of the pin, and an isolation plate is provided between the moving contact and the stationary contact.

[0012] Compared with the prior art, the utility model has the following beneficial effects: it can provide sound and light alarms to remind people of circuit problems through sound and light, thus preventing losses caused by failure to find out in time when the power is off. The specific contents are as follows:

[0013] When an overload occurs, the elastic contact piece is deformed, and the moving contact on the elastic contact piece and the static contact on the pin are separated, so that the current is disconnected, and the sound and light controller controls the light alarm device and the sound alarm device to start. The alarm light flashes to indicate that there is a problem with the circuit, and the sound alarm device makes a sound to indicate that there is a problem with the circuit. The power supply can be reset by pressing the protection button. If the power supply cannot be reset, the alarm switch can be used to control the sound and light controller to turn off the light alarm device and the sound alarm device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the main body of an overload protector with sound and light alarm of the utility model;

[0015] Figure 2 This is a structural schematic diagram of the back side of the mounting housing of an overload protector with sound and light alarm according to the utility model;

[0016] Figure 3It is a schematic structural diagram of the side section of a protection button of an overload protector with sound and light alarm according to the utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the main body of an overload protector with sound and light alarm according to the utility model;

[0018] Figure 5 The utility model is a schematic structural diagram of a power-off protection structure of a rotor of an overload protector with sound and light alarm.

[0019] In the figure: 1. Protector body; 2. Mounting shell; 3. Light alarm device; 31. Mounting block; 32. Warning light; 33. Indicator light; 34. Mounting slot; 35. Sound and light controller; 36. No. 1 connecting wire; 37. No. 2 connecting wire; 4. Sound port; 41. Sound alarm device; 5. Alarm switch; 6. Pin; 7. Connecting hole; 8. Protective button; 81. Slider; 82. Pressing block; 83. Reset spring column; 9. Pressing connecting block; 10. Connecting protrusion; 11. Elastic contact piece; 12. Static contact; 13. Moving contact; 14. Isolation plate. 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 Figures 1 to 5 The utility model provides a technical solution: an overload protector with sound and light alarm, comprising a protector body 1, a mounting shell 2, pins 6 and a protection button 8, one side of the protector body 1 is connected to the mounting shell 2, and the side of the mounting shell 2 away from the protector body 1 is connected to a light alarm device 3, a sound port 4 is arranged below the light alarm device 3, and an alarm switch 5 is arranged on one side of the mounting shell 2, two groups of connecting holes 7 are symmetrically arranged above the protector body 1 and the mounting shell 2, and connecting protrusions 10 are arranged below the protector body 1 and the mounting shell 2, two groups of pins 6 are arranged, and the two groups of pins 6 are symmetrically connected to the bottom of the protector body 1 with the connecting protrusion 10 as the symmetry axis, a press connection block 9 is connected to the top center position of the protector body 1, and the protection button 8 is installed inside the press connection block 9, the mounting shell 2 and the protector body 1 are threadedly connected through the connecting protrusion 10 and the two groups of connecting holes 7 and bolts, the two groups of pins 6 are respectively connected to the power supply and the power supply, and the protection button 8 is used to reset the circuit.

[0022] The light alarm device 3 includes a mounting block 31, an alarm light 32 and an indicator light 33, and the indicator light 33 and the indicator light 33 are both installed on the side of the mounting block 31 away from the mounting shell 2, and the alarm light 32 and the indicator light 33 are located on the same horizontal line. A mounting groove 34 is provided on the inner side of the mounting shell 2, and the mounting block 31 is connected in the mounting groove 34. The light alarm device 3 is connected to the mounting shell 2 through the mounting block 31 and the mounting groove 34. The alarm light 32 flashes to indicate that there is a problem with the circuit, and the indicator light 33 is used to indicate whether the alarm device has power.

[0023] An audio alarm device 41 is installed near the audio port 4 inside the mounting shell 2, an audio and video controller 35 is arranged between the light alarm device 3 and the audio alarm device 41, and a No. 1 connecting wire 36 is arranged on both the light alarm device 3 and the audio alarm device 41, and two groups of No. 1 connecting wires 36 are connected to one end of the audio and video controller 35, a No. 2 connecting wire 37 is connected to the end of the audio and video controller 35 away from the No. 1 connecting wire 36, and an end of the No. 2 connecting wire 37 away from the audio and video controller 35 is connected to the alarm switch 5, the audio and video controller 35 is in contact with the pin 6, the audio alarm device 41 prompts that there is a problem with the circuit by emitting a sound, the light alarm device 3 and the audio alarm device 41 are controlled by the audio and video controller 35, the audio and video controller 35 controls the opening and closing of the light alarm device 3 and the audio alarm device 41 by the power supply status of the pin 6 it contacts, and the alarm switch 5 can be used to control the audio and video controller 35 to control the light alarm device 3 and the audio alarm device 41 to be turned off.

[0024] A slider 81 is connected to the bottom of the protection button 8, and a pressure block 82 is provided at the connection between the slider 81 and the protection button 8, a reset spring column 83 is connected to the bottom of the slider 81, and an elastic contact piece 11 is provided on the side of the slider 81 close to the protector body 1, and a moving contact 13 and a static contact 12 are provided on one side of the elastic contact piece 11, and the static contact 12 is provided on the top of the pin 6, and an isolation plate 14 is provided between the moving contact 13 and the static contact 12. When an overload occurs, the elastic contact piece 11 is deformed, and at the same time, the moving contact 13 on the elastic contact piece 11 and the static contact 12 on the pin 6 are separated to disconnect the current, and at this time the reset spring column 83 drives the slider 81 and the connected protection button 8 to bounce upward, and at this time the sound and light controller 35 controls the light alarm device 3 and the sound alarm device 41 to start.

[0025] Working principle: Connect the light alarm device 3 to the mounting shell 2 through the mounting block 31 and the mounting groove 34, then install the sound alarm device 41 to the position of the sound port 4 in the mounting shell 2, and then connect the mounting shell 2 to the protector body 1 through the connecting protrusion 10 and two groups of connecting holes 7 and bolts through threads, and then connect the overload protector to the power supply.

[0026] When an overload occurs, the elastic contact piece 11 is deformed, and the moving contact 13 on the elastic contact piece 11 and the static contact 12 on the pin 6 are separated, so that the current is disconnected. At this time, the reset spring column 83 drives the slider 81 and the protection button 8 connected thereto to bounce upward, and at this time, the sound and light controller 35 controls the light alarm device 3 and the sound alarm device 41 to start, and the alarm light 32 flashes to indicate that there is a problem with the circuit, and the sound alarm device 41 sounds to indicate that there is a problem with the circuit. The power supply can be reset by pressing the protection button 8. If the reset cannot be achieved, the alarm switch 5 can be used to control the sound and light controller 35 to control the light alarm device 3 and the sound alarm device 41 to turn off. After the overload protector is connected to the power supply and disconnected, the overload protector can be repaired by disassembling the mounting shell 2 and the protector body 1.

Claims

1. An overload protector with sound and light alarm, comprising a protector body (1), a mounting housing (2), a pin (6) and a protection button (8), characterized in that: One side of the protector body (1) is connected to a mounting shell (2), and a side of the mounting shell (2) away from the protector body (1) is connected to a light alarm device (3), a sound port (4) is provided below the light alarm device (3), and one side of the mounting shell (2) is provided with an alarm switch (5), two groups of connection holes (7) are symmetrically provided above the protector body (1) and the mounting shell (2), and a connection protrusion (10) is provided below the protector body (1) and the mounting shell (2), two groups of pins (6) are provided, and the two groups of pins (6) are symmetrically connected to the bottom of the protector body (1) with the connection protrusion (10) as a symmetry axis, a press connection block (9) is connected to the center position of the top of the protector body (1), and the protection button (8) is installed inside the press connection block (9).

2. The overload protector with sound and light alarm according to claim 1, characterized in that: The light alarm device (3) comprises a mounting block (31), a warning light (32) and an indicator light (33), wherein the indicator light (33) and the indicator light (33) are both mounted on a side of the mounting block (31) away from the mounting housing (2), and the warning light (32) and the indicator light (33) are located on the same horizontal line, a mounting groove (34) is provided on the inner side of the mounting housing (2), and the mounting block (31) is connected to the mounting groove (34).

3. The overload protector with sound and light alarm according to claim 2, characterized in that: An audio alarm device (41) is installed in the installation housing (2) at a position near the audio port (4), an audio and video controller (35) is arranged between the light alarm device (3) and the audio alarm device (41), and a No. 1 connecting wire (36) is arranged on both the light alarm device (3) and the audio alarm device (41), and two groups of the No. 1 connecting wires (36) are connected to one end of the audio and video controller (35), and an end of the audio and video controller (35) away from the No. 1 connecting wire (36) is connected to a No. 2 connecting wire (37), and an end of the No. 2 connecting wire (37) away from the audio and video controller (35) is connected to an alarm switch (5), and the audio and video controller (35) is in contact with a pin (6).

4. The overload protector with sound and light alarm according to claim 1, characterized in that: A slider (81) is connected below the protection button (8), and a pressure block (82) is provided at the connection between the slider (81) and the protection button (8). A return spring column (83) is connected to the bottom of the slider (81), and an elastic contact sheet (11) is provided on a side of the slider (81) close to the protector body (1).

5. The overload protector with sound and light alarm according to claim 4, characterized in that: A moving contact (13) and a stationary contact (12) are provided on one side of the elastic contact piece (11), the stationary contact (12) is provided on the top of the pin (6), and an isolation plate (14) is provided between the moving contact (13) and the stationary contact (12).

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