Photovoltaic inverter with anti-theft structure

By using voice alarms and flashing lights in photovoltaic inverters combined with anti-theft structure of vibration sensors, the problem of easy damage to the alarm device is solved, and a more effective anti-theft alarm is achieved.

CN223193384UActive Publication Date: 2025-08-05CHANGJIANG SMART DISTRIBUTED ENERGY CO LTD
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Patent Information

Application Number
CN202421815203.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-08-05
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

The alarm devices of existing photovoltaic inverters are easily damaged by theft personnel, affecting the anti-theft alarm effect.

Method used

A combination of voice alarm and flashing light, combined with a vibration sensor and a microprocessor, is used to sense theft behavior and issue voice and light alarms, and the alarm device is set inside the anti-theft box.

Benefits of technology

It improves the anti-theft alarm effect of the photovoltaic inverter, avoids the damage to the alarm device, and increases the psychological pressure on the thieves.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a photovoltaic inverter with an anti-theft structure, which comprises an anti-theft box, the front surface of the anti-theft box is hinged with a safety door through a pin shaft, the front surface of the safety door is fixedly provided with an electronic board, the inner wall of the anti-theft box is fixedly provided with a photovoltaic inverter main body, the inner wall of the anti-theft box is fixedly provided with a voice alarm, and the voice alarm is fixedly provided with an alarm. A microprocessor is fixedly installed on the inner wall of the anti-theft box, a flashing lamp is fixedly installed on the upper surface of the anti-theft box, a fixing base is fixedly connected to the inner wall of the anti-theft box, a transmission base is fixedly installed on the back face of the safety door, and an induction cover is fixedly installed on the back face of the safety door. And a vibration sensor is fixedly mounted on the inner wall of the induction cover. According to the photovoltaic inverter with the anti-theft structure, through cooperation of the voice warning indicator and the flashing lamp, voice alarm and light prompt can be given out, voice and light prompt can be given to thieves, and the anti-theft alarm effect on the photovoltaic inverter body is improved.
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Description

Technical Field

[0001] The utility model relates to the field of photovoltaic inverters, in particular to a photovoltaic inverter with an anti-theft structure. Background Art

[0002] Photovoltaic inverters can convert the variable DC voltage generated by photovoltaic solar panels into AC power at mains frequency, which can be fed back into commercial power transmission systems or used in off-grid power grids. Photovoltaic inverters are one of the important system balancers in photovoltaic array systems and can be used in conjunction with general AC-powered equipment.

[0003] Currently, a Chinese patent with the publication number CN213028803U discloses a photovoltaic inverter with an anti-theft structure, including an anti-theft box. The anti-theft box has an inner cavity, a front side wall of the inner cavity is rotatably connected to a box door, a fixing mechanism is provided in the box door, a first contact terminal is fixedly connected to the inner top wall of the inner cavity, and an alarm light and a buzzer are fixedly mounted on the top wall of the anti-theft box. However, the alarm light and buzzer in the above patent are arranged on the top of the anti-theft box, which is easily damaged by thieves, affecting the effectiveness of the anti-theft alarm. Therefore, we propose a photovoltaic inverter with an anti-theft structure to solve the above problem. Utility Model Content

[0004] The purpose of the present utility model is to provide a photovoltaic inverter with an anti-theft structure to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A photovoltaic inverter with an anti-theft structure comprises an anti-theft box, a security door hinged on the front of the anti-theft box via a pin shaft, an electronic board fixedly mounted on the front of the security door, a photovoltaic inverter body fixedly mounted on the inner wall of the anti-theft box, a voice alarm fixedly mounted on the inner wall of the anti-theft box, a microprocessor fixedly mounted on the inner wall of the anti-theft box, a flashing light fixedly mounted on the upper surface of the anti-theft box, a fixing seat fixedly connected to the inner wall of the anti-theft box, a transmission seat fixedly mounted on the back of the security door, a sensing cover fixedly mounted on the back of the security door, and a vibration sensor fixedly mounted on the inner wall of the sensing cover.

[0007] In a further embodiment, a forward and reverse motor is fixedly mounted on the inner side wall of the transmission seat, and a transmission screw is fixedly mounted on the output end of the forward and reverse motor.

[0008] In a further embodiment, the inner wall of the transmission seat is slidably connected to an internal thread locking block, the right end of the transmission screw extends to the interior of the internal thread locking block, the outer surface of the transmission screw is threadedly connected to the inner ring of the internal thread locking block, and the right end of the internal thread locking block extends to the interior of the fixed seat.

[0009] In a further embodiment, two groups of sound amplification holes are provided on the front of the safety door, a groove is provided on the front of the safety door, and a warning sign is fixedly connected to the front of the safety door.

[0010] In a further embodiment, a plurality of threading holes are provided on the bottom surface of the anti-theft box, and a sealing ring is fixedly connected to the front surface of the anti-theft box.

[0011] In a further embodiment, the vibration sensor is electrically connected to the microprocessor via a wire, the microprocessor is electrically connected to the voice alarm and the flashing light respectively via a wire, and the electronic board is electrically connected to the forward and reverse motor via a wire.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] This device can sense the vibration of the security door when it is stolen through the induction cover and vibration transmission sensor set on the security door. At the same time, it can cooperate with the microprocessor, voice alarm and flashing light to issue a voice alarm and light prompt, which will give voice and light prompts to the thief, which can cause psychological pressure on the thief. In addition, the voice alarm is set inside the anti-theft box and will not be damaged by the thief, thereby improving the anti-theft alarm effect of the photovoltaic inverter body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the front view of a photovoltaic inverter with an anti-theft structure.

[0015] Figure 2 This is a cross-sectional view of the bottom view of the anti-theft box in a photovoltaic inverter with an anti-theft structure.

[0016] Figure 3 This is a cross-sectional view of a top view of an anti-theft box in a photovoltaic inverter with an anti-theft structure.

[0017] Figure 4 This is a cross-sectional view of the top view of the transmission base in a photovoltaic inverter with an anti-theft structure.

[0018] In the figure: 1. Anti-theft box; 2. Security door; 3. Electronic board; 4. Photovoltaic inverter body; 5. Voice alarm; 6. Microprocessor; 7. Transmission seat; 8. Fixing seat; 9. Forward and reverse motor; 10. Transmission screw; 11. Induction cover; 12. Vibration sensor; 13. Groove; 14. Warning sign; 15. Sound amplification hole; 16. Flashing light; 17. Threading hole; 18. Sealing ring; 19. Internal thread lock block. DETAILED DESCRIPTION

[0019] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0020] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-4In the utility model, a photovoltaic inverter with an anti-theft structure includes an anti-theft box 1, a security door 2 is hinged on the front of the anti-theft box 1 through a pin shaft, an electronic board 3 is fixedly installed on the front of the security door 2, a photovoltaic inverter body 4 is fixedly installed on the inner wall of the anti-theft box 1, a voice alarm 5 is fixedly installed on the inner wall of the anti-theft box 1, a microprocessor 6 is fixedly installed on the inner wall of the anti-theft box 1, a flashing light 16 is fixedly installed on the upper surface of the anti-theft box 1, a fixing seat 8 is fixedly connected to the inner wall of the anti-theft box 1, a transmission seat 7 is fixedly installed on the back of the security door 2, a sensing cover 11 is fixedly installed on the back of the security door 2, and a vibration sensor 12 is fixedly installed on the inner wall of the sensing cover 11. Through the cooperation of the sensing cover 11 and the vibration sensor 12, the vibration of the security door 2 when it is stolen can be sensed, and the voice alarm 5 and the flashing light 16 will be automatically sensed and controlled to give an alarm prompt, thereby improving the anti-theft alarm effect.

[0023] In a further embodiment, a forward and reverse motor 9 is fixedly installed on the inner side wall of the transmission base 7, and a transmission screw 10 is fixedly installed on the output end of the forward and reverse motor 9. The inner wall of the transmission base 7 is slidably connected with an internal thread locking block 19, and the right end of the transmission screw 10 extends to the interior of the internal thread locking block 19. The outer surface of the transmission screw 10 is connected to the inner ring thread of the internal thread locking block 19, and the right end of the internal thread locking block 19 extends to the interior of the fixed base 8. Through the forward and reverse motor 9, the transmission screw 10 and the internal thread locking block 19, and in cooperation with the fixed base 8, the internal thread locking block 19 can be rotated on the surface of the transmission screw 10, and at the same time, it can drive the internal thread locking block 19 to move to the interior of the fixed base 8, which will then form an electric lock to improve the anti-theft effect of the security door 2.

[0024] In a further embodiment, two groups of sound amplification holes 15 are provided on the front of the security door 2, a groove 13 is provided on the front of the security door 2, a warning sign 14 is fixedly connected to the front of the security door 2, a plurality of wire threading holes 17 are provided on the bottom of the anti-theft box 1, a sealing ring 18 is fixedly connected to the front of the anti-theft box 1, the vibration sensor 12 is electrically connected to the microprocessor 6 through a wire, the microprocessor 6 is electrically connected to the voice alarm 5 and the flashing light 16 through a wire, the electronic board 3 is electrically connected to the forward and reverse motor 9 through a wire, and the setting of the sound amplification holes 15 is conducive to the alarm sound of the voice alarm 5 being emitted outward, the setting of the groove 13 makes it convenient to open and close the security door 2, and the wire threading holes 17 are used to facilitate the insertion and exit of cables, and the setting of the sealing ring 18 can seal the anti-theft box 1 and the security door 2.

[0025] The working principle of the present invention is as follows: first, the anti-theft box 1 is installed and fixed, then the photovoltaic inverter is connected to the photovoltaic module, and at the same time, the electrical components inside the anti-theft box 1 are connected to the municipal power supply, and then the photovoltaic inverter body 4 inside the anti-theft box 1 can be protected from theft through the security door 2, and the vibration of the security door 2 when the thief steals can be sensed by the vibration sensor 12, and the sensing signal will be transmitted to the microprocessor 6 for analysis and processing, and the voice alarm 5 and the flashing light 16 will be started by the microprocessor 6 to issue a voice alarm and a light prompt, which will alert the thief.

[0026] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0027] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A photovoltaic inverter with an anti-theft structure, characterized by: The invention comprises an anti-theft box (1), wherein the front of the anti-theft box (1) is hinged with a safety door (2) via a pin shaft, an electronic board (3) is fixedly installed on the front of the safety door (2), a photovoltaic inverter body (4) is fixedly installed on the inner wall of the anti-theft box (1), a voice alarm (5) is fixedly installed on the inner wall of the anti-theft box (1), a microprocessor (6) is fixedly installed on the inner wall of the anti-theft box (1), a flashing light (16) is fixedly installed on the upper surface of the anti-theft box (1), a fixing seat (8) is fixedly connected to the inner wall of the anti-theft box (1), a transmission seat (7) is fixedly installed on the back of the safety door (2), a sensing cover (11) is fixedly installed on the back of the safety door (2), and a vibration sensor (12) is fixedly installed on the inner wall of the sensing cover (11).

2. The photovoltaic inverter with an anti-theft structure according to claim 1, characterized in that: A forward and reverse motor (9) is fixedly mounted on the inner side wall of the transmission seat (7), and a transmission screw (10) is fixedly mounted on the output end of the forward and reverse motor (9).

3. The photovoltaic inverter with an anti-theft structure according to claim 2, characterized in that: The inner wall of the transmission seat (7) is slidably connected to an internal thread locking block (19), the right end of the transmission screw (10) extends to the interior of the internal thread locking block (19), the outer surface of the transmission screw (10) is threadedly connected to the inner ring of the internal thread locking block (19), and the right end of the internal thread locking block (19) extends to the interior of the fixed seat (8).

4. The photovoltaic inverter with an anti-theft structure according to claim 1, characterized in that: Two groups of sound amplification holes (15) are provided on the front of the safety door (2), a groove (13) is provided on the front of the safety door (2), and a warning sign (14) is fixedly connected to the front of the safety door (2).

5. The photovoltaic inverter with an anti-theft structure according to claim 1, characterized in that: The bottom surface of the anti-theft box (1) is provided with a plurality of threading holes (17), and the front surface of the anti-theft box (1) is fixedly connected with a sealing ring (18).

6. The photovoltaic inverter with an anti-theft structure according to claim 1, characterized in that: The vibration sensor (12) is electrically connected to the microprocessor (6) via a wire, the microprocessor (6) is electrically connected to the voice alarm (5) and the flashing light (16) via wires, and the electronic board (3) is electrically connected to the forward and reverse motor (9) via wires.

Citation Information

Patent Citations

  • Photovoltaic inverter with anti-theft structure

    CN213028803U