CN114361972A

CN114361972A - Low-voltage switchgear with protectiveness

Info

Publication number: CN114361972A
Application number: CN202111612782.0A
Authority: CN
Inventors: 周焕焕
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-04-15

Abstract

The invention discloses a protective low-voltage switch cabinet, which comprises a shell, wherein an operation cavity is arranged in the shell, an electrifying operation block is fixedly arranged at the lower end of the shell, an electrifying cavity is fixedly arranged in the electrifying operation block, an electrifying mechanism is fixedly arranged in the electrifying cavity, a transmission mechanism is arranged at the upper end of the operation cavity, and a protection mechanism is arranged at the lower end of the transmission mechanism; through the protection mechanism who sets up, utilize driven slider and the inclined plane laminating piece that sets up in the protection mechanism, carry out the inclined plane transmission with the tip cylinder piece that sets up among the drive mechanism, change handle pivoted moment into the gliding power of driven slider level, realized the first step protection at circuit switch-on end, through the circular telegram mechanism that sets up, utilize the cooperation between screw thread transmission and the slider, realized switching on the controllability of circuit, realized the secondary protection to circular telegram circuit, the security has been improved.

Description

Low-voltage switchgear with protectiveness

Technical Field

The application relates to the field of circuit protection, in particular to a low-voltage switch cabinet with protection.

Background

High-voltage electricity is often used for in the heavy industry production as the power supply, and traditional high-voltage electricity wiring adopts more to control power supply circuit break in the low-voltage cabinet, in production, often because frequently leading to of operation connects the electric leakage of electricity department, consequently connects the electricity at high-voltage and needs to adopt the low-voltage cabinet that has protection and protective properties to reduce the potential safety hazard.

Disclosure of Invention

The present application has been made in view of the state of the art described above. An object of the application is to provide a low-voltage switchgear with protectiveness, adopt following technical scheme:

the application provides a protective low-voltage switch cabinet which comprises a shell, wherein an operation cavity is arranged in the shell, an electrifying operation block is fixedly arranged at the lower end of the shell, an electrifying cavity is fixedly arranged in the electrifying operation block, an electrifying mechanism is fixedly arranged in the electrifying cavity, a transmission mechanism is arranged at the upper end of the operation cavity, and a protection mechanism is arranged at the lower end of the transmission mechanism; the power-on mechanism is used for conducting a circuit, the protection mechanism is used for electronic protection of the circuit, and the transmission mechanism is used for controlling the conduction of the protection mechanism; the power-on mechanism comprises a horizontal power-on sliding groove fixedly arranged on the lower end wall of the power-on cavity, a horizontal sliding block is arranged on the horizontal power-on sliding groove in a sliding mode, a threaded block is fixedly connected to the upper end of the horizontal sliding block, a motor is fixedly arranged on the left end wall of the power-on cavity, the right end of the motor is connected with a threaded rod in a driving mode, the threaded rod can be in threaded transmission with the threaded block, a power-on rod is fixedly arranged on the upper end of the threaded block, a power-on socket is fixedly arranged on the right end wall of the power-on cavity, and the power-on rod can enable the power-on socket to be switched on; through control the rotation of motor, thereby drive the threaded rod with screw thread piece screw thread transmission, thereby drive horizontal slider with lead to the whole of pole along horizontal circular telegram spout slides right, and then makes the right-hand member of pole with the circular telegram socket switches on.

Preferably, the transmission mechanism comprises a rotating pin which is rotatably connected to the upper end wall of the operation cavity, a gear is fixedly arranged at the front end of the rotating pin, a handle is fixedly arranged in the middle of the rotating pin, a middle fixing block is fixedly arranged in the middle of the left end wall and the right end wall of the operation cavity, a vertical sliding groove is fixedly arranged in the middle fixing block, a pointed cylindrical block is slidably arranged on the vertical sliding groove, a rack is fixedly connected to the upper end of the pointed cylindrical block, and the rack can be in transmission with the gear and the gear; the handle is swung to drive the gear and the rack and the gear to transmit, so that the pointed-end cylindrical block moves downwards.

Preferably, the fixed linkage operation piece that is equipped with in end wall middle part department about the casing, the temple of linkage operation piece is equipped with the linkage chamber, the fixed linkage spout that is equipped with in end wall department around the linkage chamber, it is equipped with the linkage slider to slide in the linkage spout, the driven slider of middle part fixed connection of linkage slider, the fixed inclined plane laminating piece that is equipped with of right-hand member of driven slider, the inclined plane laminating piece can with the transmission of tip cylinder piece inclined plane, the left end face of driven slider with fixed connection reset spring between the left end wall in linkage chamber.

Preferably, protection mechanism is including fixed setting up the protection operation piece of operation chamber lower extreme wall department, the fixed protection chamber that is equipped with in inside of protection operation piece, the fixed logical groove that is equipped with in upper end wall department in protection chamber, the fixed control module that is equipped with in left end wall department in protection chamber, the fixed horizontal conducting strip that is equipped with in rear end wall department in protection chamber, control module with switch on through the wire between the horizontal conducting strip, the fixed lug that is equipped with in protection chamber rear end wall middle part.

Preferably, the right end of the bump is fixedly connected with a protection spring, the right end of the protection spring is fixedly connected with a conductive block, a node contact is fixedly arranged on the conductive block, the node contact can be attached to and slide on the horizontal conductive sheet, the right end of the conductive block is fixedly connected with a vertical insulating rod, and the upper end of the vertical insulating rod is fixedly connected to the lower end face of the driven sliding block; the node contact is driven to be attached to the horizontal conducting strip through the horizontal sliding of the driven sliding block, so that the control module is conducted through the conducting wire, the control module controls the motor to rotate, and then the protective connection of a circuit is achieved.

Through adopting foretell technical scheme, this application provides a low-voltage switchgear with protectiveness, possesses following beneficial effect: through the protection mechanism who sets up, utilize driven slider and the inclined plane laminating piece that sets up in the protection mechanism, carry out the inclined plane transmission with the tip cylinder piece that sets up among the drive mechanism, change handle pivoted moment into the gliding power of driven slider level, realized the first step protection at circuit switch-on end, through the circular telegram mechanism that sets up, utilize the cooperation between screw thread transmission and the slider, realized switching on the controllability of circuit, realized the secondary protection to circular telegram circuit, the security has been improved.

Drawings

Fig. 1 is an external view of a protective low-voltage switchgear of the present invention;

FIG. 2 is a schematic diagram of the internal structure of a low-voltage switchgear with protection of the present invention;

FIG. 3 is an enlarged schematic view of the energizing mechanism of FIG. 2;

fig. 4 is an enlarged schematic view of the protection mechanism of fig. 2.

Detailed Description

Exemplary embodiments of the present application are described below with reference to the accompanying drawings. It should be understood that the detailed description is intended only to teach one skilled in the art how to practice the application, and is not intended to be exhaustive or to limit the scope of the application in all possible ways:

as shown in fig. 1 to 4, a low-voltage switch cabinet with protection according to an embodiment of the present invention includes a housing 10, an operation cavity 11 is disposed inside the housing 10, an energization operation block 14 is fixedly disposed at a lower end of the housing 10, an energization cavity 15 is fixedly disposed inside the energization operation block 14, an energization mechanism 16 is fixedly disposed inside the energization cavity 15, a transmission mechanism 12 is disposed at an upper end of the operation cavity 11, and a protection mechanism 13 is disposed at a lower end of the transmission mechanism 12; the power-on mechanism 16 is used for conducting a circuit, the protection mechanism 13 is used for electronic protection of the circuit, and the transmission mechanism 12 is used for controlling the conduction of the protection mechanism 13; the power-on mechanism 16 comprises a horizontal power-on sliding groove 18 fixedly arranged on the lower end wall of the power-on cavity 15, a horizontal sliding block 19 is arranged on the horizontal power-on sliding groove 18 in a sliding manner, a threaded block 20 is fixedly connected to the upper end of the horizontal sliding block 19, a motor 17 is fixedly arranged on the left end wall of the power-on cavity 15, a threaded rod 21 is connected to the right end of the motor 17 in a driving manner, the threaded rod 21 can be in threaded transmission with the threaded block 20, a power-on rod 22 is fixedly arranged on the upper end of the threaded block 20, a power-on socket 23 is fixedly arranged on the right end wall of the power-on cavity 15, and the power-on rod 22 can enable the power-on socket 23 to be switched on; through control motor 17's rotation, thereby drive threaded rod 21 with 20 screw thread transmission of screw thread piece, thereby drive horizontal slider 19 with the whole of circular telegram pole 22 is along horizontal circular telegram spout 18 slides right, and then makes circular telegram pole 22 the right-hand member with circular telegram socket 23 switches on.

Advantageously, the transmission mechanism 12 comprises a rotating pin 24 rotatably connected to the upper end wall of the operating cavity 11, a gear 25 is fixedly arranged at the front end of the rotating pin 24, a handle 26 is fixedly arranged in the middle of the rotating pin 24, middle fixing blocks 28 are fixedly arranged in the middle of the left and right end walls of the operating cavity 11, a vertical sliding chute 29 is fixedly arranged in the middle fixing blocks 28, a pointed cylindrical block 30 is slidably arranged on the vertical sliding chute 29, a rack 27 is fixedly connected to the upper end of the pointed cylindrical block 30, and the rack 27 can be in gear transmission with the gear 25; the downward movement of the pointed cylindrical block 30 is realized by swinging the handle 26 to drive the gear 25 and the rack 27 to perform gear transmission.

Beneficially, a linkage operation block 31 is fixedly arranged at the middle of the left end wall and the right end wall of the casing 10, a linkage cavity 32 is arranged at the temporal part of the linkage operation block 31, linkage sliding grooves 33 are fixedly arranged at the front end wall and the rear end wall of the linkage cavity 32, a linkage sliding block 34 is slidably arranged in the linkage sliding grooves 33, a driven sliding block 35 is fixedly connected to the middle of the linkage sliding block 34, a slope fitting block 37 is fixedly arranged at the right end of the driven sliding block 35, the slope fitting block 37 can be in slope transmission with the pointed cylindrical block 30, and a return spring 36 is fixedly connected between the left end surface of the driven sliding block 35 and the left end wall of the linkage cavity 32.

Beneficially, the protection mechanism 13 includes a protection operation block 48 fixedly disposed at a lower end wall of the operation cavity 11, the protection operation block 48 is fixedly disposed inside the protection cavity 38, a through slot 39 is fixedly disposed at an upper end wall of the protection cavity 38, the control module 40 is fixedly disposed at a left end wall of the protection cavity 38, a horizontal conductive sheet 46 is fixedly disposed at a rear end wall of the protection cavity 38, the control module 40 and the horizontal conductive sheet 46 are conducted through a wire 47, and a protrusion 45 is fixedly disposed at a middle portion of the rear end wall of the protection cavity 38.

Beneficially, the right end of the bump 45 is fixedly connected with a protection spring 44, the right end of the protection spring 44 is fixedly connected with a conductive block 42, a node contact 43 is fixedly arranged on the conductive block 42, the node contact 43 can be attached to and slide with the horizontal conductive sheet 46, the right end of the conductive block 42 is fixedly connected with a vertical insulating rod 41, and the upper end of the vertical insulating rod 41 is fixedly connected to the lower end face of the driven slider 35; through the horizontal slip of driven slider 35, drive node contact 43 with horizontal conducting strip 46 laminates to switch on through wire 47 control module 40, control module 40 is controlling motor 17 rotates, and then realizes the protectiveness of putting through to the circuit.

The invention relates to a protective low-voltage switch cabinet, which comprises the following working procedures:

in an initial state, the handle 26 is swung, the handle 26 rotates the rotating pin 24 to rotate, and then gear transmission of the gear 25 and the rack 27 is realized, and the pointed cylindrical block 30 is driven to move downwards;

the pointed cylindrical block 30 moves downwards and simultaneously generates inclined surface transmission with the inclined surface attaching block 37, the inclined surface attaching block 37 drives the driven sliding block 35 to horizontally slide along the linkage sliding groove 33, at the moment, the driven sliding block 35 horizontally slides to drive the node contact 43 to be attached to the horizontal conducting strip 46, and the control module 40 is conducted through a lead 47;

control module 40 controls motor 17 rotates, drives threaded rod 21 and the transmission of screw thread piece 20 screw thread, drives horizontal slider 19 and circular telegram pole 22 and wholly follows horizontal circular telegram spout 18 and slide right for the right-hand member of circular telegram pole 22 combines with circular telegram socket 23, and then realizes the protectiveness switch-on to the circuit.

It should be understood that the above embodiments are merely exemplary, and are not intended to limit the present application. Various modifications and alterations of the above-described embodiments may be made by those skilled in the art in light of the teachings of this application without departing from the scope thereof.

Claims

1. A low-voltage switchgear with protection, comprising a casing (10), characterized in that: an operation cavity (11) is arranged in the casing (10), an electrifying operation block (14) is fixedly arranged at the lower end of the casing (10), an electrifying cavity (15) is fixedly arranged in the electrifying operation block (14), an electrifying mechanism (16) is fixedly arranged in the electrifying cavity (15), a transmission mechanism (12) is arranged at the upper end of the operation cavity (11), and a protection mechanism (13) is arranged at the lower end of the transmission mechanism (12); the power-on mechanism (16) is used for conducting a circuit, the protection mechanism (13) is used for electronic protection of the circuit, and the transmission mechanism (12) is used for controlling the conduction of the protection mechanism (13); circular telegram mechanism (16) are in including fixed setting the horizontal circular telegram spout (18) of circular telegram chamber (15) lower extreme wall department, the slip is equipped with horizontal slider (19) on horizontal circular telegram spout (18), horizontal slider (19) upper end fixed connection screw block (20), the fixed motor (17) that are equipped with in left end wall department of circular telegram chamber (15), the right-hand member drive connecting threaded rod (21) of motor (17), threaded rod (21) can with screw block (20) screw drive, the fixed circular telegram pole (22) that are equipped with in upper end of screw block (20), the fixed circular telegram socket (23) that are equipped with in right-hand member wall department of circular telegram chamber (15).

2. A low-voltage switchgear with protection according to claim 2, characterized in that: the energization pole (22) can turn on the energization socket (23).

3. A low-voltage switchgear with protection according to claim 1, characterized in that: drive mechanism (12) are including rotating the connection and being in operation chamber (11) upper end wall department rotating pin (24), rotating pin (24) front end is fixed and is equipped with gear (25), rotating pin (24) middle part is fixed and is equipped with handle (26), the fixed middle part fixed block (28) that is equipped with in end wall middle part about operation chamber (11), middle part fixed block (28) inside is fixed and is equipped with vertical spout (29), it is equipped with tip cylinder piece (30) to slide on vertical spout (29), the upper end fixed connection rack (27) of tip cylinder piece (30), rack (27) can with gear (25) gear drive.

4. A low-voltage switchgear with protection according to claim 3, characterized in that: fixed linkage operation piece (31) that is equipped with in end wall middle part about casing (10), the temple of linkage operation piece (31) is equipped with linkage chamber (32), the fixed linkage spout (33) that is equipped with in end wall department around linkage chamber (32), it is equipped with linkage slider (34) to slide in linkage spout (33), the driven slider (35) of middle part fixed connection of linkage slider (34), the fixed bevel laminating piece (37) that is equipped with of right-hand member of driven slider (35), bevel laminating piece (37) can with tip cylinder piece (30) inclined plane transmission, the left end face of driven slider (35) with fixed connection reset spring (36) between the left end wall of linkage chamber (32).

5. A low-voltage switchgear with protection according to claim 4, characterized in that: protection mechanism (13) are in including fixed setting protection operation piece (48) of terminal wall department under operation chamber (11), the fixed protection chamber (38) that is equipped with in inside of protection operation piece (48), the fixed logical groove (39) that are equipped with in upper end wall department of protection chamber (38), the fixed control module (40) that is equipped with in left end wall department of protection chamber (38), the fixed horizontal conducting strip (46) that is equipped with in rear end wall department of protection chamber (38), control module (40) with switch on through wire (47) between horizontal conducting strip (46), the fixed lug (45) that is equipped with in protection chamber (38) rear end wall middle part.

6. A low-voltage switchgear with protection according to claim 5, characterized in that: the right-hand member fixed connection protection spring (44) of lug (45), the right-hand member fixed connection conducting block (42) of protection spring (44), fixed node contact (43) that are equipped with on conducting block (42), node contact (43) can with horizontal conducting strip (46) laminating slides, the vertical insulator spindle (41) of right-hand member fixed connection of conducting block (42).

7. A low-voltage switchgear with protection according to claim 6, characterized in that: the upper end of the vertical insulating rod (41) is fixedly connected to the lower end face of the driven sliding block (35).