Monitoring alarm device for electric vehicle charging station

Abstract

The utility model discloses a monitoring alarm device for an electric vehicle charging station, which belongs to the technical field of electric vehicle charging stations, and comprises a monitoring system, an alarm system, a power supply system, a power supply system and a power supply system, and is characterized in that the upper surface of the monitoring system is fixedly connected to the lower surface of a shell; the protection mechanism is arranged in the shell and comprises a protection assembly and a protection cover; the protection assembly is movably connected to the interior of the shell; the cooling assembly is fixedly connected to the interior of the shell; the number of the electric cylinders is two, and the lower surfaces of the two electric cylinders are fixedly connected to the interior of the shell; according to the utility model, through the arrangement of the protection mechanism, the problem that when a fire occurs in the charging station, a monitoring alarm device installed above the charging station is affected by continuous high temperature, so that the temperature around monitoring equipment is continuously increased, and a monitoring system is damaged is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric vehicle charging stations, and in particular relates to a monitoring and alarm device for electric vehicle charging stations. Background Art

[0002] An electric vehicle charging station usually refers to a facility that provides power supply for electric vehicles. It can convert AC power into DC power for charging electric vehicle battery packs. There are many types of electric vehicle chargers, and different chargers are suitable for batteries of different types and capacities. Users need to pay attention to matching and output parameters when choosing. The monitoring and alarm device of the electric vehicle charging station is designed to ensure the safety of electric vehicles during charging. This device can monitor potential dangers in the charging process in real time and issue warnings when abnormal conditions are detected, thereby preventing fires and other types of electrical accidents and protecting people's lives and property.

[0003] In the monitoring and alarm device used in electric vehicle charging stations in the prior art, when the monitoring system detects a fire in the electric vehicle charging station, the alarm is activated and sounds an alarm. However, during this period, after a fire occurs in the charging station, the monitoring and alarm device installed above the charging station will be affected by the continuous high temperature, causing the temperature around the monitoring equipment to continue to rise, resulting in damage to the monitoring system. Utility Model Content

[0004] In response to the problems existing in the prior art, the utility model provides a monitoring and alarm device for an electric vehicle charging station, which has the advantages of automatically protecting the monitoring system and completing the cooling. It solves the problem that in the existing monitoring and alarm device for an electric vehicle charging station, after a fire occurs in the charging station, the monitoring and alarm device installed above the charging station will be affected by the continuous high temperature, causing the temperature around the monitoring equipment to continue to rise, resulting in damage to the monitoring system.

[0005] The utility model is implemented as follows: a monitoring alarm device for an electric vehicle charging station comprises:

[0006] Fixed frame;

[0007] Shell: The rear surface of the shell is fixedly connected to the front end surface of the fixing frame;

[0008] Alarm: the lower surface of the alarm is fixedly connected to the upper surface of the shell;

[0009] Monitoring system: the upper surface of the monitoring system is fixedly connected to the lower surface of the shell;

[0010] Protection mechanism: The protection mechanism is arranged inside the housing, and includes:

[0011] Protection component: the protection component is movably connected to the inside of the shell;

[0012] Cooling assembly: the cooling assembly is fixedly connected to the inside of the shell;

[0013] Electric cylinder: two electric cylinders are provided, and the lower surfaces of the two electric cylinders are fixedly connected to the inside of the housing;

[0014] Motor: The rear surface of the motor is fixedly connected to the front end surface of the fixing frame.

[0015] As a preferred embodiment of the present invention, the protection component includes:

[0016] First protective plate: four first protective plates are provided, and the four first protective plates are movably connected to the inside of the shell;

[0017] Second protective plate: the second protective plate is arranged below the first protective plate, and the lower surface of the second protective plate is arranged on the first transmission assembly;

[0018] Water inlet: two water inlets are provided, and opposite sides of the two water inlets are opened on opposite sides of the first protective plate.

[0019] As a preferred embodiment of the present invention, the cooling assembly includes:

[0020] Water storage tank: the lower surface of the water storage tank is fixedly connected to the inside of the shell;

[0021] Water outlet: There are two water outlets, and the two water outlets are opened on the outer surface of the water tank on opposite sides;

[0022] Water baffle: Two water baffles are provided, the upper surfaces of the two water baffles are fixedly connected to the lower surface of the electric cylinder, and the opposite side of the water baffles is in contact with the water outlet.

[0023] As a preferred embodiment of the present invention, the first transmission assembly includes:

[0024] Connecting column: the upper surface of the connecting column is fixedly connected to the lower surface of the second protective plate;

[0025] First transmission block: the upper surface of the first transmission block is fixedly connected to the lower surface of the connecting column;

[0026] First forward and reverse threaded rod: the outer surface of the first forward and reverse threaded rod is movably connected to the first transmission block through threads, and the outer surface of the first forward and reverse threaded rod is provided with a fixing component.

[0027] As a preferred embodiment of the present invention, the fixing assembly includes:

[0028] Special-shaped fixing rod: the special-shaped fixing rod is rotatably connected to the first positive and negative threaded rod through a rotating shaft at one side thereof close to the first positive and negative threaded rod, and the upper surface of the special-shaped fixing rod is fixedly connected to the lower surface of the fixing frame;

[0029] First connecting rod: the front end surface of the first connecting rod is fixedly connected to the rear end surface of the positive and negative threaded rod, the rear end surface of the first connecting rod is rotatably connected to the output end of the motor, and the outer surface of the first connecting rod is provided with a second transmission assembly;

[0030] Fixed sleeve: The fixed sleeve is arranged on the outer surface of the motor, and the rear end surface of the fixed sleeve is fixedly connected to the front end surface of the fixing frame.

[0031] As a preferred embodiment of the present invention, the second transmission assembly includes:

[0032] First bevel gear: the inner surface of the first bevel gear is fixedly connected to the outer surface of the first connecting rod;

[0033] Second bevel gear: the outer surface of the second bevel gear is in meshing relationship with the outer surface of the first bevel gear;

[0034] Second forward and reverse threaded rod: the lower surface of the second forward and reverse threaded rod is fixedly connected to the upper surface of the second bevel gear;

[0035] Second transmission block: the inner surface of the second transmission block is movably connected to the second forward and reverse threaded rod through threads, and the front end surface of the second transmission block is provided with a connecting assembly;

[0036] Fixed block: The inner surface of the fixed block is rotatably connected to the upper end surface of the second forward and reverse threaded rod through a rotating shaft.

[0037] As a preferred embodiment of the present invention, the connection assembly includes:

[0038] Second connecting rod: the rear end face of the second connecting rod is fixedly connected to the front end face of the second transmission block, and the front end face of the second connecting rod is fixedly connected to the rear end face of the first protective plate;

[0039] Travel groove: The travel groove is opened on the rear end surface of the shell.

[0040] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0041] 1. The utility model sets a protective mechanism. When the monitoring system detects a fire at the battery vehicle charging station, the alarm and the motor are started, the alarm sounds, and the motor indirectly drives the first protective plate to move downward, so that the second protective plate moves forward, until the first protective plate and the second protective plate contact each other, so as to achieve the effect of sealing the monitoring device. The lower surface of the water inlet on the opposite side of the first protective plate is in close contact with the upper surface of the water outlet on the outer surface of the water tank. At this time, the electric cylinder starts to operate, and the output end on the electric cylinder shortens upward to pull out the baffle plate and make it leave the surface of the water outlet, so as to achieve the effect of allowing the water source inside the water tank to flow along the water outlet to the water inlet and enter the first protective plate.

[0042] 2. The utility model sets a first transmission component. When the motor is started, the motor indirectly drives the first forward and reverse threaded rod to rotate. Since the first forward and reverse threaded rod is movably connected to the first transmission block through threads, the rotation of the first forward and reverse threaded rod drives the first transmission block to move forward along the outer surface of the first forward and reverse threaded rod. The forward movement of the first transmission block drives the connecting column, and the connecting column drives the second protective plate to move forward together until the target position is reached. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a schematic diagram of a three-dimensional structure provided by an embodiment of the utility model;

[0044] Figure 2 This is a schematic diagram of a three-dimensional structure from another perspective provided by an embodiment of the utility model;

[0045] Figure 3 It is a full cross-sectional schematic diagram provided by an embodiment of the utility model;

[0046] Figure 4 yes Figure 3 A local enlarged schematic diagram of point A in the middle.

[0047] In the figure: 1. fixing frame; 2. shell; 3. alarm; 4. monitoring system; 5. protection mechanism; 510. protection assembly; 511. first protection plate; 512. second protection plate; 513. water inlet; 520. cooling assembly; 521. water storage tank; 522. water outlet; 523. water baffle; 530. electric cylinder; 540. motor; 6. first transmission assembly; 601. connecting column; 602. first transmission block; 603. first positive and negative threaded rod; 7. fixing assembly; 701. special-shaped fixing rod; 702. first connecting rod; 703. fixing sleeve; 8. second transmission assembly; 801. first bevel gear; 802. second bevel gear; 803. second positive and negative threaded rod; 804. second transmission block; 805. fixing block; 9. connecting assembly; 901. second connecting rod; 902. travel groove. DETAILED DESCRIPTION

[0048] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0049] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0050] like Figures 1 to 4 As shown, the embodiment of the utility model provides a monitoring alarm device for an electric vehicle charging station, comprising:

[0051] Fixed frame 1;

[0052] Shell 2: The rear surface of the shell 2 is fixedly connected to the front end surface of the fixing frame 1;

[0053] Alarm 3: The lower surface of the alarm 3 is fixedly connected to the upper surface of the housing 2;

[0054] Monitoring system 4: The upper surface of the monitoring system 4 is fixedly connected to the lower surface of the housing 2;

[0055] Protection mechanism 5: The protection mechanism 5 is arranged inside the housing 2, and includes:

[0056] Protection component 510: The protection component 510 is movably connected to the inside of the housing 2;

[0057] Cooling assembly 520: The cooling assembly 520 is fixedly connected to the inside of the housing 2;

[0058] Electric cylinder 530: Two electric cylinders 530 are provided, and the lower surfaces of the two electric cylinders 530 are fixedly connected to the inside of the housing 2;

[0059] Motor 540: The rear surface of the motor 540 is fixedly connected to the front end surface of the fixing frame 1.

[0060] refer to Figure 1 As shown, the protection component 510 includes:

[0061] First protective plate 511: four first protective plates 511 are provided, and the four first protective plates 511 are movably connected to the inside of the housing 2;

[0062] Second protective plate 512: The second protective plate 512 is disposed below the first protective plate 511, and the lower surface of the second protective plate 512 is disposed on the first transmission assembly 6;

[0063] Water inlet 513 : Two water inlets 513 are provided, and opposite sides of the two water inlets 513 are opened on opposite sides of the first protective plate 511 .

[0064] The above scheme is adopted: when the monitoring system 4 detects a fire at the battery vehicle charging station, the alarm 3 and the motor 540 are started, the alarm 3 sounds an alarm, and the motor 540 indirectly drives the first protective plate 511 to move downward, so that the second protective plate 512 moves forward until the first protective plate 511 and the second protective plate 512 contact each other, thereby achieving the effect of sealing the monitoring system 4.

[0065] refer to Figure 4 As shown, the cooling assembly 520 includes:

[0066] Water storage tank 521: The lower surface of the water storage tank 521 is fixedly connected to the inside of the housing 2;

[0067] Water outlet 522: Two water outlets 522 are provided, and the two water outlets 522 are opened on the outer surface of the water storage tank 521 at opposite sides;

[0068] Water baffle plate 523 : Two water baffle plates 523 are provided, and the upper surfaces of the two water baffle plates 523 are fixedly connected to the lower surface of the electric cylinder 530 , and the opposite side of the water baffle plate 523 is in contact with the water outlet 522 .

[0069] The above scheme is adopted: when the first protective plate 511 descends to the junction with the second protective plate 512, the lower surface of the water inlet 513 on the opposite side of the first protective plate 511 is in close contact with the upper surface of the water outlet 522 on the outer surface of the water tank 521. At this time, the electric cylinder 530 starts to operate, and the output end on the electric cylinder 530 shortens upward to pull out the baffle plate 523 and make it leave the surface of the water outlet 522, so as to achieve the effect of allowing the water source inside the water tank 521 to flow along the water outlet 522 to the water inlet 513 and enter the interior of the first protective plate 511.

[0070] refer to Figure 1 As shown, the first transmission assembly 6 includes:

[0071] Connecting column 601: The upper surface of the connecting column 601 is fixedly connected to the lower surface of the second protective plate 512;

[0072] First transmission block 602: the upper surface of the first transmission block 602 is fixedly connected to the lower surface of the connecting column 601;

[0073] First forward and reverse threaded rod 603: The outer surface of the first forward and reverse threaded rod 603 is movably connected to the first transmission block 602 through threads, and a fixing component 7 is provided on the outer surface of the first forward and reverse threaded rod 603.

[0074] The above scheme is adopted: when the motor 540 is started, the motor 540 indirectly drives the first forward and reverse threaded rod 603 to rotate. Since the first forward and reverse threaded rod 603 is movably connected with the first transmission block 602 through threads, the rotation of the first forward and reverse threaded rod 603 drives the first transmission block 602 to move forward along the outer surface of the first forward and reverse threaded rod 603. The first transmission block 602 moves forward and drives the connecting column 601. The connecting column 601 drives the second protective plate 512 to move forward together until the target position is reached.

[0075] refer to Figure 1 As shown, the fixing assembly 7 includes:

[0076] Special-shaped fixing rod 701: The special-shaped fixing rod 701 is rotatably connected to the first forward and reverse threaded rod 603 through a rotating shaft on one side thereof, and the upper surface of the special-shaped fixing rod 701 is fixedly connected to the lower surface of the fixing frame 1;

[0077] First connecting rod 702: the front end of the first connecting rod 702 is fixedly connected to the rear end of the first forward and reverse threaded rod 603, the rear end of the first connecting rod 702 is rotatably connected to the output end of the motor 540, and the outer surface of the first connecting rod 702 is provided with a second transmission assembly 8;

[0078] Fixed sleeve 703: The fixed sleeve 703 is sleeved on the outer surface of the motor 540, and the rear end surface of the fixed sleeve 703 is fixedly connected to the front end surface of the fixing frame 1.

[0079] The above scheme is adopted: when the motor 540 starts to run, the motor 540 drives the first connecting rod 702 to rotate. Since the first connecting rod 702 is fixedly connected to the first forward and reverse threaded rod 603, the rotation of the first connecting rod 702 drives the first forward and reverse threaded rod 603 to rotate together; the special-shaped fixing rod 701 mainly serves to make the first forward and reverse threaded rod 603 more stable when rotating; the fixing sleeve 703 mainly serves to stably fix the motor 540 on the front end surface of the fixing frame 1.

[0080] refer to Figure 2 As shown, the second transmission assembly 8 includes:

[0081] First bevel gear 801: the inner surface of the first bevel gear 801 is fixedly connected to the outer surface of the first connecting rod 702;

[0082] Second bevel gear 802: the outer surface of the second bevel gear 802 is in meshing relationship with the outer surface of the first bevel gear 801;

[0083] Second forward and reverse threaded rod 803: the lower surface of the second forward and reverse threaded rod 803 is fixedly connected to the upper surface of the second bevel gear 802;

[0084] Second transmission block 804: the inner surface of the second transmission block 804 is movably connected to the second forward and reverse threaded rod 803 through threads, and the front end surface of the second transmission block 804 is provided with a connecting component 9;

[0085] Fixed block 805: The inner surface of the fixed block 805 is rotatably connected to the upper end surface of the second forward and reverse threaded rod 803 through a rotating shaft.

[0086] The above scheme is adopted: when the first connecting rod 702 is driven by the motor 540, the first connecting rod 702 can drive the first bevel gear 801 to rotate. Since the first bevel gear 801 and the second bevel gear 802 are in a mutually meshing relationship, the rotation of the first bevel gear 801 drives the second bevel gear 802 to rotate, and the rotation of the second bevel gear 802 drives the second forward and reverse threaded rod 803 to rotate. Since the second forward and reverse threaded rod 803 is movably connected to the second transmission block 804 through a threaded connection, the rotation of the second forward and reverse threaded rod 803 drives the second transmission block 804 to move downward along the outer surface of the second forward and reverse threaded rod 803; the fixed block 805 mainly serves to make the second forward and reverse threaded rod 803 more stable when rotating.

[0087] refer to Figure 2 As shown, the connection component 9 includes:

[0088] Second connecting rod 901: the rear end face of the second connecting rod 901 is fixedly connected to the front end face of the second transmission block 804, and the front end face of the second connecting rod 901 is fixedly connected to the rear end face of the first protection plate 511;

[0089] Travel groove 902: The travel groove 902 is provided on the rear end surface of the housing 2.

[0090] The above scheme is adopted: when the second transmission block 804 moves downward, the second transmission block 804 drives the second connecting rod 901 to move downward together, and the second connecting rod 901 drives the first protective plate 511 to move downward; the travel groove 902 mainly serves to provide a movable path for the second connecting rod 901 when it moves downward.

[0091] The working principle of this utility model:

[0092] During use, when the monitoring system 4 detects a fire at the battery vehicle charging station, the alarm 3 and the motor 540 are started, the alarm 3 sounds an alarm, and the motor 540 drives the first connecting rod 702 to rotate. Since the first connecting rod 702 is fixedly connected to the first forward and reverse threaded rod 603, the rotation of the first connecting rod 702 drives the first forward and reverse threaded rod 603 to rotate together. Since the first forward and reverse threaded rod 603 is movably connected to the first transmission block 602 through a thread, the rotation of the first forward and reverse threaded rod 603 drives the first transmission block 602 to move forward along the outer surface of the first forward and reverse threaded rod 603. The first transmission block 602 moves forward and drives the connecting column 601. The connecting column 601 drives the second protective plate 512 to move forward together until it reaches the target position. When the first connecting rod 702 is driven by the motor 540, the first connecting rod 702 can drive the first bevel gear 801 to rotate. Since the first bevel gear 801 and the second bevel gear 802 are in a meshing relationship with each other, the rotation of the first bevel gear 801 drives the second The bevel gear 802 rotates, and the second bevel gear 802 rotates to drive the second forward and reverse threaded rod 803 to rotate. Since the second forward and reverse threaded rod 803 is movably connected to the second transmission block 804 through threads, the second forward and reverse threaded rod 803 rotates to drive the second transmission block 804 to move downward along the outer surface of the second forward and reverse threaded rod 803. The second transmission block 804 drives the second connecting rod 901 to move downward together. The second connecting rod 901 drives the first protective plate 511 to move downward. When the first protective plate 511 When the protective plate 511 descends to the point where it connects with the second protective plate 512, the lower surface of the water inlet 513 on the opposite side of the first protective plate 511 is in close contact with the upper surface of the water outlet 522 on the outer surface of the water tank 521. At this time, the electric cylinder 530 starts to operate, and the output end on the electric cylinder 530 shortens upward to pull out the baffle plate 523 and make it leave the surface of the water outlet 522, so as to achieve the effect of allowing the water source inside the water tank 521 to flow along the water outlet 522 to the water inlet 513 and enter the first protective plate 511.

[0093] To sum up: this monitoring and alarm device for electric vehicle charging stations, through a fixed frame 1, a shell 2, an alarm 3, a monitoring system 4, a protective mechanism 5, a first transmission component 6, a fixed component 7, a second transmission component 8 and a connecting component 9, solves the problem in the existing monitoring and alarm device for electric vehicle charging stations that after a fire occurs in the charging station, the monitoring and alarm device installed above the charging station will be affected by the continuous high temperature, causing the temperature around the monitoring equipment to continue to increase, resulting in damage to the monitoring system.

[0094] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0095] 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. A monitoring and alarm device for an electric vehicle charging station, characterized in that: include: Fixed frame (1); Shell (2): the rear surface of the shell (2) is fixedly connected to the front end surface of the fixing frame (1); Alarm (3): the lower surface of the alarm (3) is fixedly connected to the upper surface of the housing (2); Monitoring system (4): the upper surface of the monitoring system (4) is fixedly connected to the lower surface of the housing (2); Protection mechanism (5): the protection mechanism (5) is arranged inside the housing (2), and comprises: Protection component (510): the protection component (510) is movably connected to the interior of the housing (2); Cooling component (520): the cooling component (520) is fixedly connected to the interior of the housing (2); Electric cylinder (530): two electric cylinders (530) are provided, and the lower surfaces of the two electric cylinders (530) are fixedly connected to the inside of the housing (2); Motor (540): the rear surface of the motor (540) is fixedly connected to the front end surface of the fixing frame (1).

2. A monitoring and alarm device for an electric vehicle charging station as claimed in claim 1, characterized in that: The protection component (510) comprises: First protective plates (511): four first protective plates (511) are provided, and the four first protective plates (511) are movably connected to the inside of the housing (2); A second protective plate (512): the second protective plate (512) is arranged below the first protective plate (511), and the lower surface of the second protective plate (512) is arranged on the first transmission assembly (6); Water inlet (513): two water inlets (513) are provided, and opposite sides of the two water inlets (513) are opened on opposite sides of the first protective plate (511).

3. The monitoring and alarm device for an electric vehicle charging station as claimed in claim 1, characterized in that: The cooling assembly (520) comprises: Water storage tank (521): the lower surface of the water storage tank (521) is fixedly connected to the interior of the housing (2); Water outlet (522): two water outlets (522) are provided, and the two water outlets (522) are opened on the outer surface of the water storage tank (521) at opposite sides; Water baffle plate (523): two water baffle plates (523) are provided, the upper surfaces of the two water baffle plates (523) are fixedly connected to the lower surface of the electric cylinder (530), and the opposite side of the water baffle plates (523) is in contact with the water outlet (522).

4. A monitoring and alarm device for an electric vehicle charging station as claimed in claim 2, characterized in that: The first transmission assembly (6) comprises: Connecting column (601): the upper surface of the connecting column (601) is fixedly connected to the lower surface of the second protective plate (512); First transmission block (602): the upper surface of the first transmission block (602) is fixedly connected to the lower surface of the connecting column (601); First forward and reverse threaded rod (603): the outer surface of the first forward and reverse threaded rod (603) is movably connected to the first transmission block (602) via threads, and a fixing component (7) is provided on the outer surface of the first forward and reverse threaded rod (603).

5. A monitoring and alarm device for an electric vehicle charging station as claimed in claim 4, characterized in that: The fixing assembly (7) comprises: Special-shaped fixing rod (701): the special-shaped fixing rod (701) is rotatably connected to the first forward and reverse threaded rod (603) via a rotating shaft on a side thereof, and the upper surface of the special-shaped fixing rod (701) is fixedly connected to the lower surface of the fixing frame (1); A first connecting rod (702): the front end face of the first connecting rod (702) is fixedly connected to the rear end face of the first forward and reverse threaded rod (603), the rear end face of the first connecting rod (702) is rotatably connected to the output end of the motor (540), and a second transmission assembly (8) is provided on the outer surface of the first connecting rod (702); Fixed sleeve (703): the fixed sleeve (703) is sleeved on the outer surface of the motor (540), and the rear end surface of the fixed sleeve (703) is fixedly connected to the front end surface of the fixed frame (1).

6. A monitoring and alarm device for an electric vehicle charging station as claimed in claim 5, characterized in that: The second transmission assembly (8) comprises: First bevel gear (801): the inner surface of the first bevel gear (801) is fixedly connected to the outer surface of the first connecting rod (702); Second bevel gear (802): the outer surface of the second bevel gear (802) and the outer surface of the first bevel gear (801) are in a mutually meshing relationship; Second forward and reverse threaded rod (803): the lower surface of the second forward and reverse threaded rod (803) is fixedly connected to the upper surface of the second bevel gear (802); Second transmission block (804): the inner surface of the second transmission block (804) is movably connected to the second forward and reverse threaded rod (803) via threads, and a connecting assembly (9) is provided on the front end surface of the second transmission block (804); Fixed block (805): the inner surface of the fixed block (805) is rotatably connected to the upper end surface of the second forward and reverse threaded rod (803) via a rotating shaft.

7. A monitoring and alarm device for an electric vehicle charging station as claimed in claim 6, characterized in that: The connection component (9) comprises: A second connecting rod (901): the rear end face of the second connecting rod (901) is fixedly connected to the front end face of the second transmission block (804), and the front end face of the second connecting rod (901) is fixedly connected to the rear end face of the first protective plate (511); Travel groove (902): the travel groove (902) is formed on the rear end surface of the housing (2).

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