Alternating-current low-voltage power distribution cabinet capable of automatically cutting off and supplying power
By adopting a lead screw module and slide plate structure in the AC low-voltage distribution cabinet, the problem of high cost of electric push rods is solved, and the function of automatic power supply and disconnection is realized, which reduces costs and improves operational safety and efficiency.
Patent Information
- Application Number
- CN202423230062.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-26
AI Technical Summary
In existing AC low-voltage distribution cabinets with automatic power disconnection and supply, each circuit breaker needs to be equipped with an electric actuator, resulting in high cost and numerous components.
By adopting a lead screw module and a sliding plate structure, automatic power supply and disconnection are achieved through the cooperation of the lead screw mechanism and the sliding plate, which simplifies the structure and reduces costs.
It enables automated operation of circuit breakers, reduces manufacturing and maintenance costs, and improves operational safety and efficiency.
Smart Images

Figure CN223638834U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to low voltage distribution cabinet technical field, concretely is a kind of automatic cut-off power supply's alternating current low voltage distribution cabinet. BACKGROUND
[0002] Low voltage switchgear and control equipment commonly known as low voltage switch cabinet, also called low voltage distribution cabinet, our country low voltage distribution cabinet market with the construction implementation of intelligent power grid, infrastructure, manufacturing industry investment and the development of new energy industry, has been maintaining the trend of rapid growth.
[0003] The utility model discloses an automatic cut-off power supply's alternating current low voltage distribution cabinet in the utility model patent with the publication number CN 211859264 U, including alternating current low voltage distribution cabinet shell, the inside fixed mounting of alternating current low voltage distribution cabinet shell is supported board, the upper surface of supported board is provided with circuit breaker protection shell, the front end surface of circuit breaker protection shell is provided with front cover, the side fixed mounting of circuit breaker protection shell is battery box, the below of battery box is provided with electric push rod controller, complete closing work by remote control device drive miniature electric push rod, because the process does not need staff to manually touch handle closing, so can effectively reduce security risk.
[0004] But this automatic cut-off power supply's alternating current low voltage distribution cabinet has some problems: each circuit breaker needs to be configured with an electric push rod, if the circuit breaker configured inside distribution cabinet is more, the required electric push rod is more, cost is higher, and the parts are numerous, therefore, we provide a kind of automatic cut-off power supply's alternating current low voltage distribution cabinet. Utility model content
[0005] The utility model solves the technical problem to overcome the defects of the prior art, provide a kind of automatic cut-off power supply's alternating current low voltage distribution cabinet, realize automatic cut-off power supply by screw rod module and the sliding plate of up and down, simple structure, save cost, can effectively solve the problems in background art.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of automatic cut-off power supply's alternating current low voltage distribution cabinet, including cabinet, the rear side inner wall of cabinet is fixedly connected with the circuit breaker of uniform distribution, further including support frame and automatic cut-off mechanism;
[0007] Support frame: it is symmetrically arranged on the rear side inner wall of cabinet, and the upper end between the two support frames is provided with screw rod mechanism;
[0008] Automatic cut-off mechanism: it includes slide rail and sliding plate, the rear side of slide rail is connected to screw rod mechanism by bolt, the inside of slide rail is slidably connected with sliding plate, the upper end of the rear side of sliding plate is provided with the push plate of up and down distribution, the handle of circuit breaker is located between the two push plates, realize automatic cut-off power supply by screw rod module and the sliding plate of up and down, simple structure, save cost.
[0009] Further, the control panel is connected to the inner side of the cabinet door of the cabinet body through ceramic bolts, an insulating plate is arranged between the control panel and the cabinet door of the cabinet body, a storage battery and a single-chip microcomputer are arranged on the front side of the control panel, the input end of the storage battery is electrically connected with an external power supply, the input end of the single-chip microcomputer is electrically connected with the output end of the storage battery, and the various electric appliances are controlled.
[0010] Further, the screw rod mechanism comprises a sliding block, a base, sliding columns, a screw rod and a motor one, the base is arranged between the upper ends of the two supporting frames, the screw rod is rotatably connected between the middle portions of the left and right ends of the base, the left and right symmetrically distributed sliding columns are fixedly connected between the left and right ends of the base, the sliding block is slidably connected between the two sliding columns, the rear side of the sliding block is connected with a sliding rail through bolts, the middle portion of the sliding block is threadedly connected to the outside of the screw rod, the right side of the base is fixedly connected with the motor one, the output shaft of the motor one is fixedly connected with the right end of the screw rod through a coupling, and the input end of the motor one is electrically connected with the output end of the single-chip microcomputer, so that the position adjustment of the sliding plate is realized.
[0011] Further, the automatic power-off mechanism further comprises a mounting seat, a fixed plate, a motor two, a driving gear and a rack plate, the upper surface of the sliding block is welded with the mounting seat, the upper surface of the mounting seat is connected with the fixed plate through bolts, the upper end of the fixed plate is fixedly connected with the motor two, the rear end of the output shaft of the motor two is fixedly provided with the driving gear, the left end of the front side of the sliding plate is fixedly connected with the rack plate, the driving gear is meshingly connected with the rack plate, and the input end of the motor two is electrically connected with the output end of the single-chip microcomputer, so that automatic power-off is realized.
[0012] Further, the automatic power-off mechanism further comprises groove photoelectric switches and light shielding plates, the upper end of the sliding rail is provided with the mounting seat, the lower surface of the mounting seat and the upper surface of the sliding block are both connected with the groove photoelectric switches through bolts, the two groove photoelectric switches are correspondingly arranged in up-down positions, the left end of the front side of the sliding plate is provided with the up-down symmetrically distributed light shielding plates, the light shielding plates are all correspondingly arranged in up-down positions of the detection grooves of the groove photoelectric switches, and the groove photoelectric switches are all bidirectionally electrically connected with the single-chip microcomputer, so that the limiting of the sliding plate is realized.
[0013] Further, the middle portion of the cabinet door of the cabinet body is provided with an explosion-proof glass window, and the upper end of the push plate is pasted with the left and right symmetrically distributed fluorescent strips, so that the internal condition is convenient to observe.
[0014] Further, the front side of the control panel is provided with a WIFI receiver, the WIFI receiver is bidirectionally electrically connected with the single-chip microcomputer, and remote control is realized.
[0015] Compared with the prior art, the automatic power-off alternating low-voltage power distribution cabinet has the following advantages:
[0016] The output shaft of the motor one drives the screw rod to rotate, the sliding block slides between the two slide columns, the output shaft of the motor two drives the driving gear to rotate, the sliding plate is driven to slide up and down inside the slide rail through the rack plate, the interval of the two fluorescent strips is the width of the handle of the circuit breaker, the electric power personnel observes the internal condition of the cabinet and the position of the fluorescent strips through the explosion-proof glass window, so that the handle of the circuit breaker is accurately located between the two push plates, the two motors cooperate to drive the handles of the circuit breakers to rotate up and down, automatic power on / off is realized, the structure is simple, and the manufacturing cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is a structural schematic view of the utility model;
[0018] Fig. 2 It is a structural schematic view of the screw rod mechanism and the automatic power on / off mechanism of the utility model;
[0019] Fig. 3 It is a rear view structural schematic view of the automatic power on / off mechanism of the utility model.
[0020] In the drawing: 1 cabinet, 2 circuit breaker, 3 screw rod mechanism, 31 sliding block, 32 base, 33 slide column, 34 screw rod, 35 motor one, 4 automatic power on / off mechanism, 41 mounting seat, 42 slot photoelectric switch, 43 light shield plate, 44 fixed plate, 45 motor two, 46 driving gear, 47 slide rail, 48 sliding plate, 49 rack plate, 5 fluorescent strip, 6 explosion-proof glass window, 7 insulating plate, 8 control panel, 9 storage battery, 10 single-chip microcomputer, 11 WIFI receiver, 12 support frame. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figs. 1-3 The embodiment provides a kind of technical solutions: an automatic power on / off AC low-voltage distribution cabinet, including cabinet 1, the rear side inner wall of cabinet 1 is fixedly connected with the circuit breaker 2 of uniform distribution, further include support frame 12 and automatic power on / off mechanism 4;
[0023] The support frame 12 is symmetrically arranged on the inner wall of the rear side of the cabinet body 1, the upper ends of the two support frames 12 are provided with a screw rod mechanism 3, the screw rod mechanism 3 comprises a sliding block 31, a base 32, a sliding column 33, a screw rod 34 and a motor 1 35, the upper ends of the two support frames 12 are provided with the base 32, the middle portions between the left and right ends of the base 32 are rotationally connected with the screw rod 34, the left and right ends of the base 32 are fixedly connected with the left and right symmetrically distributed sliding columns 33, the sliding block 31 is slidably connected between the two sliding columns 33, the rear side of the sliding block 31 is connected with a sliding rail 47 through bolts, the middle portion of the sliding block 31 is threadedly connected to the outside of the screw rod 34, the right side of the base 32 is fixedly connected with the motor 1 35, the output shaft of the motor 1 35 is fixedly connected with the right end of the screw rod 34 through a shaft coupling, the input end of the motor 1 35 is electrically connected with the output end of the single-chip microcomputer 10, the output shaft of the motor 1 35 drives the screw rod 34 to rotate, and the sliding block 31 slides between the two sliding columns 33;
[0024] The automatic breaking mechanism 4 comprises a slide rail 47 and a slide plate 48, the slide rail 47 is connected to the rear side of the screw rod mechanism 3 through bolts, the slide plate 48 is slidably connected in the slide rail 47, the upper end of the rear side of the slide plate 48 is provided with the upper and lower distributed push plates, the handle of the circuit breaker 2 is located between the two push plates, the automatic breaking mechanism 4 further comprises a mounting seat 41, a fixed plate 44, a motor two 45, a driving gear 46 and a rack plate 49, the mounting seat 41 is welded on the upper surface of the slide block 31, the upper surface of the mounting seat 41 is connected with the fixed plate 44 through bolts, the upper end of the fixed plate 44 is fixedly connected with the motor two 45, the rear end of the output shaft of the motor two 45 is fixedly sleeved with the driving gear 46, the left end of the front side of the slide plate 48 is fixedly connected with the rack plate 49, the driving gear 46 is meshedly connected with the rack plate 49, the input end of the motor two 45 is electrically connected with the output end of the single-chip microcomputer 10, the automatic breaking mechanism 4 further comprises a slot photoelectric switch 42 and a light shield plate 43, the upper end of the slide rail 47 is provided with a mounting seat, the lower surface of the mounting seat and the upper surface of the slide block 31 are both connected with the slot photoelectric switch 42 through bolts, the two slot photoelectric switches 42 are in position correspondence in the upper and lower positions, the left end of the front side of the slide plate 48 is provided with the upper and lower symmetrically distributed light shield plates 43, the light shield plates 43 are all in position correspondence with the detection slots of the slot photoelectric switches 42 in the upper and lower positions, the slot photoelectric switches 42 are all bidirectionally electrically connected with the single-chip microcomputer 10, the middle part of the cabinet door of the cabinet body 1 is provided with an explosion-proof glass window 6, the upper end of the push plate is pasted with the left and right symmetrically distributed fluorescent strips 5, the output shaft of the motor two 45 drives the driving gear 46 to rotate, the slide plate 48 is driven to slide up and down in the slide rail 47 through the rack plate 49, the distance between the two fluorescent strips 5 is the width of the handle of the circuit breaker 2, the power personnel observes the internal situation of the cabinet body 1 and the position of the fluorescent strips 5 through the explosion-proof glass window 6, so as to facilitate the accurate positioning of the handle of the circuit breaker 2 between the two push plates, then the slide plate 48 moves upwards, the handle of the circuit breaker 2 adjacent to the rear side is pushed upwards by the lower end of the push plate, when the upper end of the light shield plate 43 moves into the detection slot of the upper end of the slot photoelectric switch 42, the upper end of the slot photoelectric switch 42 sends a signal to the single-chip microcomputer 10, the single-chip microcomputer 10 no longer controls the motor two 45 to continue to move up and down, and the handle of the circuit breaker 2 is rotated downwards in the same way, thereby realizing the automatic breaking of the circuit breaker 2.
[0025] Wherein: still including control panel 8, control panel 8 is connected to the inside of the cabinet door of the cabinet body 1 by ceramic bolt, control panel 8 and the cabinet door of the cabinet body 1 are provided with insulating plate 7, the front side of control panel 8 is provided with battery 9 and single-chip microcomputer 10, the input end of battery 9 is electrically connected with external power supply, the input end of single-chip microcomputer 10 is electrically connected with the output end of battery 9, the front side of control panel 8 is provided with WIFI receiver 11, WIFI receiver 11 is bidirectionally electrically connected with single-chip microcomputer 10, when the automatic power-off AC low-voltage distribution cabinet operates, battery 9 supplies power to each element, ceramic bolt and insulating plate 7 isolate control panel 8 from the cabinet body 1, power personnel sends control signal to WIFI receiver 11 through the Internet, WIFI receiver 11 transmits the signal to single-chip microcomputer 10.
[0026] The working principle of the automatic power-off AC low-voltage distribution cabinet is as follows: when the automatic power-off AC low-voltage distribution cabinet operates, battery 9 supplies power to each element, the rear side of control panel 8 is fixedly connected with insulating plate 7, insulating plate 7 is attached to the cabinet door of the cabinet body 1, the isolation of control panel 8 and the cabinet door of the cabinet body 1 is realized, power personnel sends control signal to WIFI receiver 11 through the Internet, WIFI receiver 11 transmits the signal to single-chip microcomputer 10, single-chip microcomputer 10 controls motor one 35 and motor two 45 to start, the output shaft of motor one 35 drives the rotation of lead screw 34, sliding block 31 slides between two slide columns 33, the output shaft of motor two 45 drives the rotation of driving gear 46, sliding plate 48 slides up and down inside slide rail 47 through rack plate 49, the distance between two fluorescent strips 5 is the handle width of circuit breaker 2, power personnel observes the internal situation of cabinet body 1 and the position of fluorescent strip 5 through explosion-proof glass window 6, so that the handle of circuit breaker 2 is accurately located between two push plates, then sliding plate 48 moves upwards, the lower end push plate pushes the handle of the adjacent circuit breaker 2 on the rear side to rotate upwards, when the shutter 43 on the upper end moves into the detection groove of groove-shaped photoelectric switch 42 on the upper end, groove-shaped photoelectric switch 42 on the upper end sends a signal to single-chip microcomputer 10, single-chip microcomputer 10 no longer controls motor two 45 to continue to move up and down, and the handle of circuit breaker 2 rotates downwards in the same way, thereby realizing the automatic power-off of circuit breaker 2.
[0027] It is worth noting that the single-chip microcomputer 10 disclosed in the above embodiments can be selected from STM32F103RCT6, the motor one 35 can be selected from HEM-17D6022 stepper motor, the motor two 45 can be selected from 45GX4568R micro speed reducer motor, the groove-shaped photoelectric switch 42 can be selected from EE-SPY401 micro photoelectric switch, and the WIFI receiver 11 can be selected from ESP32S2F WIFI module.
[0028] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.
Claims
1. An automatic power-off alternating current low-voltage distribution cabinet, comprising a cabinet body (1), the rear side inner wall of the cabinet body (1) is fixedly connected with uniformly distributed circuit breakers (2), characterized in that: It also includes support frame (12) and automatic breaking mechanism (4); Support frame (12): it is symmetrically arranged on the inner wall of the rear side of the cabinet body (1), and the upper ends of the two support frames (12) are provided with a screw rod mechanism (3); Automatic breaking mechanism (4): it includes a slide rail (47) and a slide plate (48), the slide rail (47) is connected to the rear side of the screw rod mechanism (3) by bolts, the slide plate (48) is slidably connected inside the slide rail (47), and the rear side of the slide plate (48) is provided with a push plate distributed upward and downward, and the handle of the circuit breaker (2) is located between the two push plates.
2. The automatic power-off AC low-voltage power distribution cabinet according to claim 1, characterized in that: It also includes a control panel (8) connected to the inner side of the cabinet door of the cabinet body (1) by ceramic bolts, an insulating plate (7) is arranged between the control panel (8) and the cabinet door of the cabinet body (1), a battery (9) and a single-chip microcomputer (10) are arranged on the front side of the control panel (8), the input end of the battery (9) is electrically connected with an external power supply, and the input end of the single-chip microcomputer (10) is electrically connected with the output end of the battery (9).
3. The automatic power-off AC low-voltage power distribution cabinet according to claim 2, characterized in that: The screw rod mechanism (3) includes a sliding block (31), a base (32), a slide column (33), a screw rod (34) and a motor (35), the upper ends of the two support frames (12) are provided with the base (32), the middle portions between the left and right ends of the base (32) are rotatably connected with the screw rod (34), the left and right ends of the base (32) are fixedly connected with the slide columns (33) which are symmetrically distributed, the sliding block (31) is slidably connected between the two slide columns (33), the rear side of the sliding block (31) is connected with the slide rail (47) by bolts, the middle portion of the sliding block (31) is threadedly connected to the outside of the screw rod (34), the right side of the base (32) is fixedly connected with the motor (35), the output shaft of the motor (35) is fixedly connected with the right end of the screw rod (34) through a shaft coupling, and the input end of the motor (35) is electrically connected with the output end of the single-chip microcomputer (10).
4. An automatic power-off AC low-voltage distribution cabinet according to claim 3, characterized in that: The automatic breaking mechanism (4) further includes a mounting seat (41), a fixed plate (44), a motor (45), a driving gear (46) and a rack plate (49), the upper surface of the sliding block (31) is welded with the mounting seat (41), the upper surface of the mounting seat (41) is connected with the fixed plate (44) by bolts, the upper end of the fixed plate (44) is fixedly connected with the motor (45), the rear end of the output shaft of the motor (45) is fixedly provided with the driving gear (46), the left end of the front side of the slide plate (48) is fixedly connected with the rack plate (49), the driving gear (46) is meshedly connected with the rack plate (49), and the input end of the motor (45) is electrically connected with the output end of the single-chip microcomputer (10).
5. The automatic power-off AC low-voltage power distribution cabinet according to claim 3, characterized in that: The automatic breaking mechanism (4) further comprises a slot photoelectric switch (42) and a light shield plate (43), the upper end of the sliding rail (47) is provided with a mounting seat, the lower surface of the mounting seat and the upper surface of the sliding block (31) are both connected with the slot photoelectric switch (42) through bolts, the two slot photoelectric switches (42) are in corresponding positions in the up-down direction, the left end of the front side of the sliding plate (48) is provided with the light shield plates (43) which are symmetrically distributed in the up-down direction, the light shield plates (43) are all in corresponding positions with the detection slots of the slot photoelectric switches (42) in the up-down direction, and the slot photoelectric switches (42) are all bidirectionally electrically connected with the single-chip microcomputer (10).
6. The automatic power-off AC low-voltage power distribution cabinet according to claim 1, characterized in that: The middle part of the cabinet door of the cabinet body (1) is provided with an explosion-proof glass window (6), and the upper end of the push plate is attached with the fluorescent strips (5) which are symmetrically distributed in the left-right direction.
7. The automatic power-off AC low-voltage power distribution cabinet according to claim 2, characterized in that: The front side of the control panel (8) is provided with a WIFI receiver (11), and the WIFI receiver (11) is bidirectionally electrically connected with the single-chip microcomputer (10).
Citation Information
Patent Citations
Alternating-current low-voltage power distribution cabinet capable of automatically cutting off power
CN211859264U