Alarm device for preventing electric vehicle charger from being pulled out

Abstract

The utility model relates to the technical field of charging piles, and discloses an anti-pulling alarm device for an electric automobile charger, which comprises a device body, one side of the device body is provided with an anti-falling mechanism, the anti-falling mechanism comprises a fixing ring, the fixing ring is arranged on one side of the device body, and the inner side of the fixing ring is provided with a protective pad. According to the anti-pulling alarm device for the electric vehicle charger, by arranging the anti-falling mechanism, in the anti-pulling alarm working process of the anti-pulling alarm device for the electric vehicle charger, a fixing ring can be pulled firstly, and under the action of a sliding groove a and a sliding block a, the fixing ring can be driven to move; the charging wire can be fixed through the fixing ring, unnecessary accidental alarm and accidental pause of the charging effect of the electric vehicle due to the fact that the charging wire is likely to fall off under the accidental condition are avoided, and meanwhile the fixing ring can be fixed by inserting a limiting rod into the inner side of a limiting groove.

Description

Technical Field

[0001] The utility model relates to the technical field of charging piles, in particular to an alarm device for preventing an electric vehicle charger from being unplugged. Background Art

[0002] A charging pile is a device that provides electric vehicles with energy replenishment. Its function is similar to that of a gas pump in a gas station. It can be fixed on the ground or on a wall, installed in public buildings and parking lots in residential areas, and can charge various types of electric vehicles according to the voltage and current. The input end of the charging pile is directly connected to the AC power grid, and the output end is equipped with a charging plug for charging electric vehicles. Charging piles generally provide two charging methods: conventional charging and fast charging. People can use a specific charging card to swipe the card on the human-computer interaction interface provided by the charging pile to perform corresponding charging operations and print cost data. The charging pile display can display data such as charging capacity, cost, and charging time.

[0003] After searching, the existing patent (publication number: CN218400234U) discloses an electric vehicle charger with alarm and self-rescue functions, including a charger body, a spray device fixedly connected to the upper outer surface of the charger body, a No. 1 connector fixedly connected to the right end of the charger body, a No. 1 wiring harness fixedly connected to the right end of the No. 1 connector, a No. 1 wiring harness fixedly connected to the end of the No. 1 wiring harness away from the No. 1 connector, a No. 2 connector fixedly connected to the left end of the charger body, a No. 2 wiring harness fixedly connected to the No. 2 connector, a power plug fixedly connected to the end of the No. 2 wiring harness away from the No. 2 connector, a temperature sensor fixedly connected to the right front end of the charger body, a processor fixedly connected to the middle front end of the charger body, and an alarm fixedly connected to the left front end of the charger body. The electric vehicle charger with alarm and self-rescue functions described in the utility model has high alarm efficiency, good cooling effect, high stability, and is suitable for use in charging electric vehicles.

[0004] However, in the process of the existing anti-unplugging alarm device for electric vehicle chargers, the charging line may easily fall off under unexpected circumstances, resulting in unnecessary accidental alarms, and the charging effect of the electric vehicle may be unexpectedly suspended, which will greatly reduce the effectiveness of the anti-unplugging alarm device.

[0005] Therefore, in view of the above problem, an alarm device for preventing an electric vehicle charger from being unplugged is proposed. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] In view of the deficiencies in the prior art, the utility model provides an anti-unplugging alarm device for an electric vehicle charger, which solves the problem mentioned in the background technology that during the working process of the anti-unplugging alarm for the electric vehicle charger, the charging line of the existing anti-unplugging alarm device for an electric vehicle charger may easily fall off in unexpected circumstances, resulting in unnecessary accidental alarms, and the charging effect of the electric vehicle may be accidentally suspended, which will greatly reduce the effectiveness of the anti-unplugging alarm device.

[0008] (II) Technical solution

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an alarm device for preventing an electric vehicle charger from being unplugged, comprising a device body, one side of the device body being provided with an anti-dropping mechanism, the anti-dropping mechanism comprising a fixing ring, the fixing ring being provided on one side of the device body, a protective pad being provided on the inner side of the fixing ring, an alarm mechanism being provided on one side of the device body, and an installation mechanism being provided on the other side of the device body.

[0010] As a preferred solution, the anti-falling mechanism comprises a slide groove a, the slide groove a is opened on the surface of the device body, and a sliding block a is arranged inside the slide groove a.

[0011] As a preferred solution, a fixing ring is provided on the surface of the sliding block a, a limiting groove is provided on the surface of the fixing ring, and a limiting rod is provided inside the limiting groove.

[0012] As a preferred solution, a fixing bolt is arranged on the inner side of the fixing ring, a protective pad is arranged on one side of the fixing bolt, and the fixing bolt is symmetrically arranged with respect to the central axis of the protective pad.

[0013] As a preferred solution, the alarm mechanism includes a charging port, the charging port is opened on the surface of the device body, a spring is arranged inside the charging port, and the springs are distributed at equal intervals inside the charging port.

[0014] As a preferred solution, a resistor plate is provided on one side of the spring, a displacement sensor is provided on the inner side of the charging port, and an alarm is provided on the surface of the device body.

[0015] As a preferred solution, the installation mechanism includes a slide groove b, the slide groove b is opened on the surface of the device body, and a slider b is arranged inside the slide groove b.

[0016] As a preferred solution, a clamp is provided on the surface of the slider b, a thread groove is opened on the surface of the clamp, and a threaded rod is provided inside the thread groove.

[0017] The utility model provides an alarm device for preventing an electric vehicle charger from being unplugged.

[0018] Beneficial effects:

[0019] (1) The anti-unplugging alarm device for electric vehicle charger is provided with an anti-dropping mechanism. When the anti-unplugging alarm device for electric vehicle charger is working to provide an anti-unplugging alarm for the electric vehicle charger, the fixing ring can be pulled first. Under the action of the slide groove a and the slider a, the fixing ring can be driven to move. Then, the charging line can be fixed by the fixing ring to avoid the charging line being easily dropped under accidental circumstances, resulting in unnecessary accidental alarms and the charging effect of the electric vehicle being accidentally suspended. At the same time, the limiting rod is inserted into the inner side of the limiting groove. Under the action of the limiting groove and the limiting rod, the fixing ring can be fixed. When the fixing ring is used to fix the charging line, a protective pad is used to protect the charging line from damage and leakage.

[0020] (2) The anti-unplugging alarm device for electric vehicle charger is provided with an alarm mechanism. When the anti-unplugging alarm device for electric vehicle charger is working to provide an anti-unplugging alarm for the electric vehicle charger, when the charging head is pulled out of the charging port during charging, the displacement sensor will detect the charging head, and then the displacement sensor will send a command to the alarm, and then the alarm will sound an alarm. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the side view of the appearance structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the anti-falling mechanism of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the alarm mechanism of the utility model;

[0024] Figure 4 This is a schematic diagram of the installation mechanism structure of the utility model.

[0025] Wherein: 1. device body; 2. anti-falling mechanism; 201. slide groove a; 202. slider a; 203. fixing ring; 204. limit groove; 205. limit rod; 206. fixing bolt; 207. protective pad; 3. alarm mechanism; 301. charging port; 302. spring; 303. resistor plate; 304. displacement sensor; 305. alarm; 4. installation mechanism; 401. slide groove b; 402. slider b; 403. clamp; 404. threaded groove; 405. threaded rod. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1 and Figure 4 The utility model provides a technical solution: an alarm device for preventing an electric vehicle charger from being pulled out, comprising a body 1, an anti-drop mechanism 2 is arranged on one side of the body 1, an alarm mechanism 3 is arranged on one side of the body 1, and an installation mechanism 4 is arranged on the other side of the body 1, the installation mechanism 4 comprises a slide groove b401, the slide groove b401 is arranged on the surface of the body 1, a slider b402 is arranged on the inner side of the slide groove b401, a clamp 403 is arranged on the surface of the slider b402, a threaded groove 404 is arranged on the surface of the clamp 403, and a threaded rod 405 is arranged on the inner side of the threaded groove 404.

[0028] Among them: in the process of the anti-unplugging alarm device for the electric vehicle charger performing the anti-unplugging alarm for the electric vehicle charger, by providing the anti-dropping mechanism 2, it can be avoided that during the process of the anti-unplugging alarm for the electric vehicle charger, the charging line is easy to fall off in an accidental situation, resulting in unnecessary accidental alarms, and the charging effect of the electric vehicle will be accidentally suspended, which will greatly reduce the anti-unplugging alarm device.

[0029] See also Figure 2 , an alarm device for preventing an electric vehicle charger from being pulled out, an anti-dropping mechanism 2 comprising a fixing ring 203, the fixing ring 203 being arranged on one side of a device body 1, a protective pad 207 being arranged on the inner side of the fixing ring 203, the anti-dropping mechanism 2 comprising a slide groove a201, the slide groove a201 being arranged on the surface of the device body 1, a slider a202 being arranged on the inner side of the slide groove a201, a fixing ring 203 being arranged on the surface of the slider a202, a limiting groove 204 being arranged on the surface of the fixing ring 203, a limiting rod 205 being arranged on the inner side of the limiting groove 204, a fixing bolt 206 being arranged on the inner side of the fixing ring 203, a protective pad 207 being arranged on one side of the fixing bolt 206, and the fixing bolt 206 being arranged symmetrically with respect to the central axis of the protective pad 207.

[0030] Among them: in the process of the anti-unplugging alarm device for the electric vehicle charger, the fixing ring 203 can be pulled first, and under the action of the slide groove a201 and the slider a202, the fixing ring 203 can be driven to move, and then the charging line can be fixed by the fixing ring 203 to avoid the charging line easily falling off in accidental situations, resulting in unnecessary accidental alarms, and the charging effect of the electric vehicle will be accidentally suspended. At the same time, the limiting rod 205 is inserted into the inner side of the limiting groove 204. Under the action of the limiting groove 204 and the limiting rod 205, the fixing ring 203 can be fixed, and the protective pad 207 is used to protect the charging line when the fixing ring 203 is fixed to prevent the charging line from being damaged and causing leakage.

[0031] See also Figure 3 , an alarm device for preventing an electric vehicle charger from being unplugged, the alarm mechanism 3 includes a charging port 301, the charging port 301 is opened on the surface of the device body 1, a spring 302 is arranged inside the charging port 301, the springs 302 are evenly spaced inside the charging port 301, a resistor plate 303 is arranged on one side of the spring 302, a displacement sensor 304 is arranged inside the charging port 301, and an alarm 305 is arranged on the surface of the device body 1.

[0032] Among them: during the working process of the alarm device for preventing the electric vehicle charger from being unplugged and providing an anti-unplug alarm for the electric vehicle charger, when the charging head is pulled out of the inner side of the charging port 301 while charging, the displacement sensor 304 will detect the charging head, and then the displacement sensor 304 will send an instruction to the alarm 305, and then the alarm 305 will sound an alarm.

[0033] The working principle of the utility model is as follows: when the alarm device for preventing electric vehicle charger from being unplugged is working to provide an anti-unplugging alarm for the electric vehicle charger, the fixing ring 203 can be pulled first, and the fixing ring 203 can be driven to move under the action of the slide groove a201 and the slider a202, and then the charging line can be fixed by the fixing ring 203, so as to avoid the charging line from falling off easily in unexpected situations, causing unnecessary accidental alarms, and the charging effect of the electric vehicle will be unexpectedly suspended, and at the same time, the limiting rod 205 is inserted into the inner side of the limiting groove 204, and the limiting groove 204 and the limiting groove 204 are connected. Under the action of the limit rod 205, the fixing ring 203 can be fixed, and the protective pad 207 can be used to fix the charging line on the fixing ring 203 to play a protective effect, thereby preventing the charging line from being damaged and causing leakage. Secondly, in the process of the anti-unplugging alarm device for the electric vehicle charger to provide an anti-unplugging alarm for the electric vehicle charger, when the charging head is pulled out of the inner side of the charging port 301 during charging, the displacement sensor 304 will detect the charging head, and then the displacement sensor 304 will send an instruction to the alarm 305, and then the alarm 305 will sound an alarm.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An alarm device for preventing an electric vehicle charger from being unplugged, comprising a device body (1), characterized in that: An anti-falling mechanism (2) is arranged on one side of the device body (1), and the anti-falling mechanism (2) comprises a fixing ring (203), the fixing ring (203) is arranged on one side of the device body (1), and a protective pad (207) is arranged on the inner side of the fixing ring (203); an alarm mechanism (3) is arranged on one side of the device body (1), and a mounting mechanism (4) is arranged on the other side of the device body (1).

2. The alarm device for preventing the electric vehicle charger from being unplugged according to claim 1, characterized in that: The anti-falling mechanism (2) comprises a slide groove a (201), wherein the slide groove a (201) is provided on the surface of the device body (1), and a sliding block a (202) is provided inside the slide groove a (201).

3. The alarm device for preventing the electric vehicle charger from being unplugged according to claim 2, characterized in that: The surface of the sliding block a (202) is provided with a fixing ring (203), the surface of the fixing ring (203) is provided with a limiting groove (204), and the inner side of the limiting groove (204) is provided with a limiting rod (205).

4. The alarm device for preventing the electric vehicle charger from being unplugged according to claim 3, characterized in that: A fixing bolt (206) is arranged inside the fixing ring (203), a protective pad (207) is arranged on one side of the fixing bolt (206), and the fixing bolt (206) is symmetrically arranged with respect to the central axis of the protective pad (207).

5. The alarm device for preventing electric vehicle charger from being unplugged according to claim 1, characterized in that: The alarm mechanism (3) comprises a charging port (301), the charging port (301) is opened on the surface of the device body (1), springs (302) are arranged inside the charging port (301), and the springs (302) are distributed at equal intervals inside the charging port (301).

6. The alarm device for preventing the electric vehicle charger from being unplugged according to claim 5, characterized in that: A resistor plate (303) is provided on one side of the spring (302), a displacement sensor (304) is provided inside the charging port (301), and an alarm (305) is provided on the surface of the device body (1).

7. The alarm device for preventing the electric vehicle charger from being unplugged according to claim 1, characterized in that: The mounting mechanism (4) comprises a slide groove b (401), wherein the slide groove b (401) is provided on the surface of the device body (1), and a slider b (402) is provided inside the slide groove b (401).

8. The alarm device for preventing the electric vehicle charger from being unplugged according to claim 7, characterized in that: The surface of the slider b (402) is provided with a clamp (403), the surface of the clamp (403) is provided with a thread groove (404), and the inner side of the thread groove (404) is provided with a thread rod (405).

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