Explosion-proof automatic plug-in electric system

Abstract

The invention relates to the technical field of connectors, and discloses an explosion-proof automatic plug-in electric system, which comprises a plug, an electric push rod, a first sensor, two second sensors and an upper computer, and is characterized in that the upper computer is used for stopping rotating after a telescopic end reaches a first preset position or after the plug and a socket are plugged in place. According to the invention, the plugging and separation of the plug and the socket of the connector are realized through the reciprocating motion of the telescopic end of the electric push rod, and the position information of the telescopic end of the electric push rod is detected through the first sensor when the plug and the socket are monitored to be separated while the safe and reliable plugging function of the connector in an explosion-proof environment is realized; the relative position information between the plug and the socket in the plugging process is detected through the two second sensors at the same time, it is guaranteed that the plug and the socket are plugged in place, the upper computer can control opening and closing of the electric push rod more accurately, the device is particularly suitable for the flammable and explosive industrial environment, and the safety of industrial production is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of connectors and discloses an explosion-proof automatic plug-in electric system. Background Art

[0002] Explosion-proof automatic plug-in electric mechanism is mainly used in dangerous environments with flammable and explosive gases, dust, etc. Ordinary electrical connection equipment may generate electric sparks, causing serious accidents such as explosions. Traditional connection methods may generate sparks due to friction and collision caused by manual plug-in operations.

[0003] The emergence of explosion-proof automatic plug-in electric mechanism is to solve the problem of safe and efficient electrical connection in dangerous environments, reduce the risks caused by manual operation errors, and make the connection process of electrical equipment in flammable and explosive environments safer and more reliable. Summary of the invention

[0004] The purpose of the present invention is to provide an explosion-proof automatic plug-in electric system, which can realize the safe and reliable plug-in and pull-out functions of connectors in an explosion-proof environment, and can more accurately control the opening and closing of the electric push rod. It is particularly suitable for flammable and explosive industrial environments, and greatly improves the safety of industrial production.

[0005] In order to achieve the above technical effects, the technical solution adopted by the present invention is:

[0006] An explosion-proof automatic plug-in electric system, comprising:

[0007] A plug, the plug being used to mate with the socket of the connector;

[0008] An electric push rod, wherein the plug is fixed to the telescopic end of the electric push rod through an L-shaped mounting frame, and the electric push rod is used to drive the plug to achieve connection and separation with the socket;

[0009] A first sensor, wherein the first sensor is used to detect the position information of the telescopic end of the electric push rod when the electric push rod drives the plug to separate from the socket;

[0010] A second sensor, wherein the number of the second sensors is two, and the two second sensors are mounted on the L-shaped mounting frame, and are used to detect the relative position information between the plug and the socket when the electric push rod drives the plug to be plugged into the socket;

[0011] A host computer is connected to the electric push rod, and is used to stop rotating after the first sensor shows that the telescopic end has reached a first preset position or after the plug and the socket are plugged into place; the judgment basis for the plug and the socket to be plugged into place is that two of the second sensors simultaneously show that the plug has reached a second preset position for plugging and matching with the socket.

[0012] Furthermore, the electric push rod includes a brushed motor, a housing, and a trapezoidal lead screw. The trapezoidal lead screw is drive-connected to the brushed motor. A slider is provided on the trapezoidal lead screw. A guide assembly is provided between the slider and the housing.

[0013] Furthermore, a brake mechanism is also provided in the brushed motor, and the brake mechanism is used to brake and self-lock the motor after the plug and the socket are properly plugged in.

[0014] Furthermore, a thermal switch is also provided in the brushed motor, and the thermal switch is used to send a brushed motor power-off signal to a host computer when the internal temperature of the brushed motor is higher than a preset explosion-proof temperature.

[0015] Furthermore, a reducer is arranged between the brush motor and the trapezoidal lead screw, and the shaft extension of the brush motor is designed with a keyway, and the keyway is drivingly connected to the reducer through a keyed shaft.

[0016] Furthermore, it also includes a handle, which is drivingly connected to the trapezoidal lead screw of the electric push rod, and the handle is used to drive the trapezoidal lead screw to rotate.

[0017] Furthermore, the plug is fixed on the L-shaped mounting frame by means of screws and flat spring washers.

[0018] Furthermore, the L-shaped mounting frame is provided with threaded holes at positions corresponding to the two second sensors respectively, and the second sensors pass through the threaded holes on the L-shaped mounting frame and are assembled and fixed by nuts.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention utilizes the reciprocating motion of the telescopic end of the electric push rod to realize the connection and separation of the connector plug and the socket, thereby realizing the safe and reliable plugging and unplugging function of the connector in an explosion-proof environment. At the same time, the position information of the telescopic end of the electric push rod is detected by monitoring the separation of the plug and the socket through the first sensor, and the relative position information between the plug and the socket during the connection process is simultaneously detected by two second sensors to ensure that the plug and the socket are properly plugged in, which is convenient for the upper computer to more accurately control the opening and closing of the electric push rod. The present invention is particularly suitable for inflammable and explosive industrial environments, and greatly improves the safety of industrial production. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural block diagram of the explosion-proof automatic plug-in electric system in the embodiment;

[0021] Figure 2 It is a schematic diagram of the structure of the explosion-proof automatic plug-in electric system in the embodiment;

[0022] Figure 3 This is a schematic diagram of the installation of the second sensor in the embodiment;

[0023] Among them, 1. plug; 2. socket; 3. electric push rod; 301. brush motor; 302. trapezoidal lead screw; 303. brake mechanism; 304. thermal switch; 4. L-shaped mounting bracket; 5. first sensor; 6. second sensor; 7. host computer; 8. handle. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the embodiments and drawings. However, it should not be understood that the scope of the above subject matter of the present invention is limited to the following embodiments, and all technologies realized based on the content of the present invention belong to the scope of the present invention.

[0025] Example

[0026] See also Figure 1-Figure 3 , an explosion-proof automatic plug-in electric system, comprising:

[0027] A plug 1, which is used to be plugged into a socket 2 of a connector;

[0028] An electric push rod 3, wherein the plug 1 is fixed to the telescopic end of the electric push rod 3 through an L-shaped mounting frame 4, and the electric push rod 3 is used to drive the plug 1 to achieve connection and separation with the socket 2;

[0029] A first sensor 5, wherein the first sensor 5 is used to detect the position information of the telescopic end of the electric push rod 3 when the electric push rod 3 drives the plug 1 to separate from the socket 2;

[0030] The second sensor 6, the number of the second sensors 6 is two, and the two second sensors 6 are installed on the L-shaped mounting frame 4, and are used to detect the relative position information between the plug 1 and the socket 2 when the electric push rod 3 drives the plug 1 to be plugged into the socket 2;

[0031] The upper computer 7 is drivingly connected to the electric push rod 3, and the upper computer 7 is used to stop rotating after the first sensor 5 shows that the telescopic end has reached the first preset position or after the plug 1 and the socket 2 are plugged into place; the judgment basis for the plug 1 and the socket 2 to be plugged into place is that two of the second sensors 6 simultaneously show that the plug 1 has reached the second preset position for plugging and matching with the socket 2.

[0032] In this embodiment, the reciprocating motion of the telescopic end of the electric push rod 3 realizes the connection and separation of the connector plug 1 and the socket 2, and realizes the safe and reliable plugging and unplugging function of the connector in an explosion-proof environment. At the same time, the first sensor 5 monitors the position information of the telescopic end of the electric push rod 3 when the plug 1 is separated from the socket 2, and the two second sensors 6 simultaneously detect the relative position information between the plug 1 and the socket 2 during the plugging process to ensure that the plug and the socket are plugged in place, which facilitates the upper computer 7 to more accurately control the opening and closing of the electric push rod 3, which is particularly suitable for flammable and explosive industrial environments and greatly improves the safety of industrial production.

[0033] The electric push rod 3 in this embodiment includes a brush motor 301, a housing, and a trapezoidal screw 302. The trapezoidal screw 302 is connected to the brush motor 301 by driving. A slider is provided on the trapezoidal screw 302, and a guide assembly is provided between the slider and the housing. The trapezoidal screw 302 in this embodiment has a self-locking function to ensure that the connector plug 1 and the socket 2 remain in a stable connection state when the electric push rod 3 stops working, and prevent accidental separation due to vibration or external force. The brush motor 301 uses an explosion-proof DC brush motor 301, which can receive a signal from the host computer 7 through the control circuit to drive the trapezoidal screw 302 to rotate, thereby causing the slider to move linearly along the guide assembly. The linear motion of the slider drives the connector plug 1 on the L-shaped bracket to perform plug-in or detachment. The design of the trapezoidal screw 302 allows the slider to move smoothly, ensuring the accuracy and reliability during the plug-in process.

[0034] In this embodiment, a braking mechanism 303 is also provided in the brushed motor 301. The braking mechanism 303 is used to brake and self-lock the motor after the plug 1 and the socket 2 are plugged into place. Together with the self-locking function of the trapezoidal screw 302, it can achieve multiple self-locking after the connector is plugged into place, thereby ensuring the reliability of the connector plugging.

[0035] In this embodiment, a thermal switch 304 is also provided in the brush motor 301. The thermal switch 304 is used to send a power-off signal of the brush motor 301 to the upper computer 7 when the internal temperature of the brush motor 301 is higher than the preset explosion-proof temperature, thereby realizing the thermal protection function of the explosion-proof DC brush motor 301.

[0036] A reducer is arranged between the brush motor 301 and the trapezoidal lead screw 302 in this embodiment. The shaft extension of the brush motor 301 is designed with a keyway, and the keyway is connected to the reducer drive through the keyed shaft, so that the speed is reduced and the torque is increased by the reducer.

[0037] The explosion-proof automatic plug-in electric system in this embodiment further includes a handle 8, which is drivingly connected to the trapezoidal screw 302 of the electric push rod 3, and is used to drive the trapezoidal screw 302 to rotate. In this embodiment, the handle 8 can be assembled between the reducer and the explosion-proof DC brushless motor. In case the electric mechanism cannot be automatically plugged in, the handle 8 can be used to complete the mechanism plug-in and realize the predetermined function.

[0038] The plug 1 in this embodiment is fixed to the L-shaped mounting frame 4 by screws and flat spring washers. The L-shaped mounting frame 4 is provided with threaded holes at positions corresponding to the two second sensors 6, and the second sensors 6 pass through the threaded holes on the L-shaped mounting frame 4 and are assembled and fixed by nuts.

[0039] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An explosion-proof automatic plug-in electric system, characterized in that: include: A plug (1), the plug (1) being used for mating with a socket (2) of a connector; An electric push rod (3), wherein the plug (1) is fixed to the telescopic end of the electric push rod (3) via an L-shaped mounting frame (4), and the electric push rod (3) is used to drive the plug (1) to achieve connection and separation with the socket (2); A first sensor (5), the first sensor (5) is used to detect the position information of the telescopic end of the electric push rod (3) when the electric push rod (3) drives the plug (1) to separate from the socket (2); A second sensor (6), wherein the number of the second sensors (6) is two, and the two second sensors (6) are mounted on the L-shaped mounting frame (4), and are used to detect relative position information between the plug (1) and the socket (2) when the electric push rod (3) drives the plug (1) to be plugged into the socket (2); A host computer (7) is connected to the electric push rod (3) by driving, and the host computer (7) is used to stop rotating after the first sensor (5) shows that the telescopic end has reached a first preset position or after the plug (1) and the socket (2) are plugged into place; the plug (1) and the socket (2) are plugged into place based on the two second sensors (6) simultaneously showing that the plug (1) has reached a second preset position for plugging and matching with the socket (2).

2. The explosion-proof automatic plug-in electric system according to claim 1 is characterized in that: The electric push rod (3) comprises a brushed motor (301), a housing, and a trapezoidal lead screw (302); the trapezoidal lead screw (302) is drivingly connected to the brushed motor (301); a slider is provided on the trapezoidal lead screw (302); and a guide assembly is provided between the slider and the housing.

3. The explosion-proof automatic plug-in electric system according to claim 2 is characterized in that: A brake mechanism (303) is also provided in the brushed motor (301), and the brake mechanism (303) is used to brake and self-lock the motor after the plug (1) and the socket (2) are properly plugged in.

4. The explosion-proof automatic plug-in electric system according to claim 2 is characterized in that: The brushed motor (301) is also provided with a thermal switch (304), and the thermal switch (304) is used to send a power-off signal of the brushed motor (301) to the upper computer (7) when the internal temperature of the brushed motor (301) is higher than a preset explosion-proof temperature.

5. The explosion-proof automatic plug-in electric system according to claim 2 is characterized in that: A reducer is arranged between the brushed motor (301) and the trapezoidal lead screw (302); a keyway is designed on the shaft extension of the brushed motor (301); and the keyway is drivingly connected to the reducer via a keyed shaft.

6. The explosion-proof automatic plug-in electric system according to claim 2 is characterized in that: It also comprises a handle (8), wherein the handle (8) is drivingly connected to the trapezoidal lead screw (302) of the electric push rod (3), and the handle (8) is used to drive the trapezoidal lead screw (302) to rotate.

7. The explosion-proof automatic plug-in electric system according to claim 1 is characterized in that: The plug (1) is fixed on the L-shaped mounting frame (4) by means of screws and flat spring washers.

8. The explosion-proof automatic plug-in electric system according to claim 1, characterized in that: The L-shaped mounting frame (4) is provided with threaded holes at positions corresponding to the two second sensors (6), and the second sensors (6) pass through the threaded holes on the L-shaped mounting frame (4) and are assembled and fixed by nuts.

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