CN117767139A - Safe self-driven electrical cabinet suitable for novel power system - Google Patents

Safe self-driven electrical cabinet suitable for novel power system Download PDF

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Publication number
CN117767139A
CN117767139A CN202410194648.0A CN202410194648A CN117767139A CN 117767139 A CN117767139 A CN 117767139A CN 202410194648 A CN202410194648 A CN 202410194648A CN 117767139 A CN117767139 A CN 117767139A
Authority
CN
China
Prior art keywords
drawer
contact end
self
movable contact
grounding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410194648.0A
Other languages
Chinese (zh)
Inventor
张阳
申成继
徐耘英
陈伟
刘诗妤
余果
李安杰
余博洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technical Training Center Of State Grid Hubei Electric Power Co ltd
Wuhan Electric Power Technical College
Original Assignee
Technical Training Center Of State Grid Hubei Electric Power Co ltd
Wuhan Electric Power Technical College
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Technical Training Center Of State Grid Hubei Electric Power Co ltd, Wuhan Electric Power Technical College filed Critical Technical Training Center Of State Grid Hubei Electric Power Co ltd
Priority to CN202410194648.0A priority Critical patent/CN117767139A/en
Publication of CN117767139A publication Critical patent/CN117767139A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses a safe self-driven electrical cabinet suitable for a novel power system, which comprises a cabinet body and a plurality of drawer components; each drawer component comprises a drawer, a base, a motor, a screw rod, a connecting block and a self-grounding device; the output end of the motor is used for controlling the screw rod to rotate, the connecting block is fixedly arranged at the bottom end of the drawer, and the screw rod penetrates through the connecting block and is in threaded fit with the connecting block; the self-grounding device comprises a plurality of self-grounding units, wherein each self-grounding unit comprises a first movable contact end, a first static contact end, a spring and a trigger plate; the first movable contact end is grounded, and the first static contact end is electrically connected with the drawer and the metal part of the base shell; the first movable contact end is fixedly arranged at the outer end of the trigger plate, one end of the spring is fixed, and the other end of the spring is limited by the inner end of the trigger plate; when the drawer is closed, the first movable contact end is separated from the first fixed contact end; after the drawer is opened and reaches a preset position, the first movable contact end is contacted with the first static contact end.

Description

Safe self-driven electrical cabinet suitable for novel power system
Technical Field
The invention relates to the technical field of electrical switch cabinets, in particular to a safe self-driven electrical cabinet suitable for a novel power system.
Background
The electric switch cabinet is an electric device, external rays firstly enter a main control switch in the cabinet and then enter a branch control switch, and all branches are arranged according to the requirements. Such as meters, automatic control, motor magnetic switches, various ac contactors, etc., and high-voltage and low-voltage switchgear, high-voltage buses, such as power plants, etc., and low-cycle relief for protecting major equipment.
The novel power system mainly comprising the constructed low carbon is rapidly developed, however, the reliability and the like of the novel power system have problems, high requirements are put on equipment such as an electrical cabinet and the like, and the novel power system is an important component for keeping the stable operation of the power system. Secondly, the switch cabinet in the power system is easy to generate electric shock, and electric equipment is hard to push and pull, so that people can touch the electrified body under the condition of losing the center of gravity, and personal accidents are caused. Therefore, there is a need to design a safe self-driven electrical cabinet suitable for a new type of electrical power system.
Disclosure of Invention
The invention aims to provide a safe self-driven electrical cabinet suitable for a novel power system.
In order to achieve the above purpose, the present invention provides the following technical solutions: a safe self-driven electrical cabinet suitable for a novel power system comprises a cabinet body and a plurality of drawer components arranged in the cabinet body;
Each drawer component comprises a drawer, a base, a motor, a screw rod, a connecting block and a self-grounding device;
The motor is arranged at the inner end of the base, the output end of the motor is used for controlling the screw rod to rotate, the connecting block is fixedly arranged at the bottom end of the drawer, the screw rod penetrates through the connecting block and is in threaded fit with the connecting block, and the screw rod is used for driving the connecting block to linearly move along the screw rod when rotating, so that the drawer is driven to integrally move;
the self-grounding device is arranged below the base and comprises a plurality of self-grounding units, and each self-grounding unit comprises a first movable contact end, a first static contact end, a spring and a trigger plate;
The first movable contact end is grounded, and the first static contact end is electrically connected with the drawer and the metal part of the base shell;
The first movable contact end is fixedly arranged at the outer end of the trigger plate, one end of the spring is fixed, and the other end of the spring is limited by the inner end of the trigger plate;
When the drawer is closed, the connecting block is contacted with the upper end of the trigger plate and compresses the spring, and the first movable contact end is separated from the first fixed contact end;
After the drawer is opened and reaches a preset position, the trigger plate and the movable contact end move under the action of the spring, so that the first movable contact end is contacted with the first static contact end.
In some embodiments, two sliding rails are formed above the base, and two rows of pulleys corresponding to the two sliding rails are further installed at the bottom end of the drawer.
In some embodiments: and the outer end of the sliding rail is provided with a limiting structure for limiting the outward movement distance of the drawer.
In some embodiments, the device further comprises a manual grounding device arranged on the cabinet body, wherein the surface of the cabinet body is further provided with a grounding switch for controlling the manual grounding device;
The manual grounding device comprises a plurality of manual grounding units, each manual grounding unit comprises a second movable contact end and a second static contact end, the second movable contact ends are grounded, and the second static contact ends are electrically connected with the metal part of the cabinet body shell;
The grounding switch is used for driving the second movable contact end to move under the operation of a user so as to switch the on-off state between the second movable contact end and the second fixed contact end.
in some embodiments, the outer surface of each drawer is also provided with a start-stop switch and a hand-operated driving device;
the start-stop switch is used for controlling the forward rotation, the reverse rotation and the closing of the corresponding motor;
the hand-operated driving device is connected with the screw rod and used for controlling the opening and closing of the drawer under the hand-operated operation of a user.
in some embodiments, the exterior surface of each drawer is also provided with an indicator light and/or a display screen.
compared with the prior art, the invention has the beneficial effects that:
The safe self-driven electrical cabinet suitable for the novel power system provided by the invention realizes automatic opening and closing of the drawer through the motor combined with the screw rod, saves labor, is convenient to overhaul, prevents operators from electric shock risks caused by unstable weightlessness, and has a self-locking function; and the self-grounding device is combined with the manual grounding device, so that reliable grounding is ensured, and the safety of the equipment is further improved.
Drawings
fig. 1 is an external schematic view of a safe automatic driving electric cabinet applicable to a novel electric power system;
FIG. 2 is a side cross-sectional view of a portion of the structure of a safety self-powered electrical cabinet suitable for use in a novel electrical power system provided by the present invention;
FIG. 3 is a schematic diagram of a self-grounding device;
FIG. 4 is a schematic view of a single drawer assembly;
Fig. 5 is a schematic view of a manual grounding apparatus.
In the figure: 1. a cabinet body; 2. a drawer; 3. a base; 4. a motor; 5. a screw rod; 6. a connecting block; 7. self-grounding device; 8. a manual grounding device; 9. a grounding switch; 10. a display screen; 21. a start-stop switch; 22. a hand-operated driving device; 31. a slide rail; 71. a first movable contact end; 72. a first stationary contact end; 73. a spring; 74. a trigger plate; 81. the second movable contact end; 82. and the second static contact end.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present invention easy to understand, the following further describes how the present invention is implemented with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 3, the invention provides a safe self-driven electrical cabinet suitable for a novel power system, which is characterized by comprising a cabinet body 1 and a plurality of drawer components arranged in the cabinet body; each drawer component comprises a drawer 2, a base 3, a motor 4, a screw rod 5, a connecting block 6 and a self-grounding device 7; the motor 4 is arranged at the inner end of the base 3, the output end of the motor 4 is used for controlling the screw rod 5 to rotate, the connecting block 6 is fixedly arranged at the bottom end of the drawer 2, the screw rod 5 penetrates through the connecting block 6 and is in threaded fit with the connecting block 6, and the screw rod 5 is used for driving the connecting block 6 to linearly move along the screw rod 5 when rotating, so that the drawer 2 is driven to integrally move; the self-grounding device 7 is arranged below the base 3, the self-grounding device 7 comprises a plurality of self-grounding units, and each self-grounding unit comprises a first movable contact end 71, a first static contact end 72, a spring 73 and a trigger plate 74; the first movable contact end 71 is grounded, and the first fixed contact end 72 is electrically connected with the drawer 2 and the metal part of the shell of the base 3; the first movable contact end 71 is fixedly arranged at the outer end of the trigger plate 74, one end of the spring 73 is fixed, and the other end is limited by the inner end of the trigger plate 74; when the drawer 2 is closed, the connecting block 6 contacts with the upper end of the trigger plate 74 and compresses the spring 73, and the first movable contact end 71 is separated from the first static contact end 72; after the drawer 2 is opened and reaches the preset position, the trigger plate 74 and the movable contact end move under the action of the spring 73, so that the first movable contact end 71 contacts with the first static contact end 72.
According to the invention, the drawer 2 is automatically opened and closed by combining the motor 4 with the screw rod 5, so that the labor is saved, the overhaul is convenient, the electric shock risk caused by unstable weightlessness is avoided for an operator, and the self-locking function is realized. And, moreover; and through setting up from earthing device 7, under the effect of structures such as spring 73, trigger plate 74, make the moving, static contact automatic closure when drawer 2 opens, guarantee timely, effective ground connection.
With further reference to fig. 4, two sliding rails 31 are formed above the base 3, and two rows of pulleys corresponding to the two sliding rails 31 are further installed at the bottom end of the drawer 2, so as to ensure that the drawer 2 stably slides under the action of the motor 4. Preferably, the outer end of the slide rail 31 is provided with a limiting structure for limiting the distance of outward movement of the drawer 2.
with further reference to fig. 5, the electric cabinet further comprises a manual grounding device 8 arranged on the cabinet body 1, and a grounding switch 9 for controlling the manual grounding device 8 is arranged on the surface of the cabinet body 1; the manual grounding device 8 comprises a plurality of manual grounding units, each manual grounding unit comprises a second movable contact end 81 and a second static contact end 82, the second movable contact ends 81 are grounded, and the second static contact ends 82 are electrically connected with the metal part of the outer shell of the cabinet body 1; the grounding switch 9 is used for driving the second movable contact end 81 to move under the operation of a user so as to switch the on-off state between the second movable contact end 81 and the second fixed contact end 82.
Because the switch cabinet shell is made of metal and insulating materials in a matching way, and the internal structure of the switch cabinet often forms a capacitor to store charges, operators are easy to get an electric shock in the actual field; the self-grounding device 7 and the manual grounding device 8 are combined to ensure reliable grounding and complete discharge as much as possible, so that the safety of the equipment is further improved.
preferably, the outer surface of each drawer 2 is also provided with a start-stop switch 21 and a hand-operated driving device 22; the start-stop switch 21 is used for controlling the corresponding motor 4 to rotate forwards, reversely and turn off; the hand driving device 22 is connected with the screw rod 5 and is used for controlling the opening and closing of the drawer 2 under the hand operation of a user. Normally, a user controls the drawer 2 to be automatically opened and closed through the start-stop switch 21; in addition, a hand-operated driving device 22 is arranged and can be used for overhauling the electric cabinet under the condition of power failure.
Preferably, the outer surface of each drawer 2 is also provided with an indicator light and/or a display screen 10 for displaying related information, and can be matched with a voice alarm prompt to confirm safety and electricity verification.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.

Claims (6)

1. The safe self-driven electrical cabinet suitable for the novel power system is characterized by comprising a cabinet body (1) and a plurality of drawer components arranged in the cabinet body;
Each drawer component comprises a drawer (2), a base (3), a motor (4), a screw rod (5), a connecting block (6) and a self-grounding device (7);
The motor (4) is arranged at the inner end of the base (3), the output end of the motor (4) is used for controlling the screw rod (5) to rotate, the connecting block (6) is fixedly arranged at the bottom end of the drawer (2), the screw rod (5) penetrates through the connecting block (6) and is in threaded fit with the connecting block (6), and the screw rod (5) is used for driving the connecting block (6) to linearly move along the screw rod (5) when rotating, so that the drawer (2) is driven to integrally move;
The self-grounding device (7) is arranged below the base (3), the self-grounding device (7) comprises a plurality of self-grounding units, and each self-grounding unit comprises a first movable contact end (71), a first static contact end (72), a spring (73) and a trigger plate (74);
the first movable contact end (71) is grounded, and the first static contact end (72) is electrically connected with the drawer (2) and the metal part of the shell of the base (3);
the first movable contact end (71) is fixedly arranged at the outer end of the trigger plate (74), one end of the spring (73) is fixed, and the other end of the spring is limited by the inner end of the trigger plate (74);
when the drawer (2) is closed, the connecting block (6) is contacted with the upper end of the trigger plate (74) and compresses the spring (73), and the first movable contact end (71) is separated from the first fixed contact end (72);
After the drawer (2) is opened and reaches a preset position, the trigger plate (74) and the movable contact end move under the action of the spring (73), so that the first movable contact end (71) is contacted with the first fixed contact end (72).
2. The safe self-driven electrical cabinet suitable for the novel power system according to claim 1, wherein two sliding rails (31) are formed above the base (3), and two rows of pulleys corresponding to the two sliding rails (31) are further mounted at the bottom end of the drawer (2).
3. A safety self-driven electrical cabinet suitable for a new electrical power system according to claim 2, characterized in that: the outer end of the sliding rail (31) is provided with a limiting structure for limiting the outward movement distance of the drawer (2).
4. A safety self-driven electrical cabinet suitable for a novel electrical power system according to claim 1, further comprising a manual grounding device (8) mounted on the cabinet body (1), wherein the surface of the cabinet body (1) is further provided with a grounding switch (9) for controlling the manual grounding device (8);
The manual grounding device (8) comprises a plurality of manual grounding units, each manual grounding unit comprises a second movable contact end (81) and a second static contact end (82), the second movable contact ends (81) are grounded, and the second static contact ends (82) are electrically connected with the metal part of the outer shell of the cabinet body (1);
The grounding switch (9) is used for driving the second movable contact end (81) to move under the operation of a user so as to switch the on-off state between the second movable contact end (81) and the second static contact end (82).
5. A safety self-driven electrical cabinet suitable for a novel electrical system according to claim 4, characterized in that the outer surface of each drawer (2) is also provided with a start-stop switch (21) and a hand-operated driving device (22);
the start-stop switch (21) is used for controlling the forward rotation, the reverse rotation and the closing of the corresponding motor (4);
the hand-operated driving device (22) is connected with the screw rod (5) and is used for controlling the opening and closing of the drawer (2) under the hand-operated operation of a user.
6. A safety self-driven electrical cabinet suitable for a new electric power system according to claim 1, characterized in that the outer surface of each drawer (2) is also provided with an indicator light and/or a display screen (10).
CN202410194648.0A 2024-02-22 2024-02-22 Safe self-driven electrical cabinet suitable for novel power system Pending CN117767139A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410194648.0A CN117767139A (en) 2024-02-22 2024-02-22 Safe self-driven electrical cabinet suitable for novel power system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410194648.0A CN117767139A (en) 2024-02-22 2024-02-22 Safe self-driven electrical cabinet suitable for novel power system

Publications (1)

Publication Number Publication Date
CN117767139A true CN117767139A (en) 2024-03-26

Family

ID=90326071

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410194648.0A Pending CN117767139A (en) 2024-02-22 2024-02-22 Safe self-driven electrical cabinet suitable for novel power system

Country Status (1)

Country Link
CN (1) CN117767139A (en)

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1480428A (en) * 1966-04-28 1967-05-12 Explosion-proof self-contact earth clamp
WO2010011095A2 (en) * 2008-07-25 2010-01-28 코섹산업(주) Drawer safe for crime prevention integrated into furniture and interlocked with home network and application method thereof
CN102290729A (en) * 2011-04-30 2011-12-21 山东泰开成套电器有限公司 Novel handcart grounding device of switch cabinet
DE102015107454A1 (en) * 2014-05-13 2015-11-19 Abb Ag Overload switch and earthing contact device for a Schießung switch
CN205377144U (en) * 2016-02-26 2016-07-06 山东泰开电控有限公司 Novel low -voltage switchgear drawer shakes into blocked mechanical system
CN206293783U (en) * 2016-12-30 2017-06-30 深圳市富进电力设备有限公司 A kind of modified form open air switching station
US20170207609A1 (en) * 2016-01-15 2017-07-20 Lsis Co., Ltd. Draw out apparatus for air circuit breaker
CN107275972A (en) * 2017-07-04 2017-10-20 广东电网有限责任公司东莞供电局 Drawer-type switch cabinet earthing or grounding means
CN107465139A (en) * 2017-08-16 2017-12-12 上海洪电电气有限公司 A kind of switch cabinet handcart propulsion mechanism
CN207234265U (en) * 2017-09-12 2018-04-13 青岛电控设备有限公司 A kind of GHB high types low pressure drawer-type switchgear
CN208014561U (en) * 2018-02-27 2018-10-26 安徽俊天电气自动化技术有限公司 A kind of automatic electric switch
CN208336819U (en) * 2018-07-18 2019-01-04 济源市锦华成套电器有限公司 The main ground structure of clad withdrawal-type AC metal-enclosed switch cabinet
CN208637843U (en) * 2018-06-27 2019-03-22 广州川沃电气设备有限公司 A kind of drawer structure of control cabinet
CN211266241U (en) * 2020-01-06 2020-08-14 东莞市万通电气实业有限公司 Sliding type grounding device for switch cabinet
CN112271629A (en) * 2020-10-30 2021-01-26 重庆望变电气(集团)股份有限公司 Low-voltage drawer type switch cabinet
US20210233726A1 (en) * 2020-01-29 2021-07-29 Compass Components, Inc. Ground switch apparatus
CN215070991U (en) * 2021-05-13 2021-12-07 沈阳谊诚电气设备制造有限公司 Cabinet for changing welding grounding screw into press riveting screw
CN217115260U (en) * 2021-11-29 2022-08-02 国网河南省电力公司驻马店供电公司 Distribution network metering power distribution cabinet with five-prevention grounding device

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1480428A (en) * 1966-04-28 1967-05-12 Explosion-proof self-contact earth clamp
WO2010011095A2 (en) * 2008-07-25 2010-01-28 코섹산업(주) Drawer safe for crime prevention integrated into furniture and interlocked with home network and application method thereof
CN102290729A (en) * 2011-04-30 2011-12-21 山东泰开成套电器有限公司 Novel handcart grounding device of switch cabinet
DE102015107454A1 (en) * 2014-05-13 2015-11-19 Abb Ag Overload switch and earthing contact device for a Schießung switch
US20170207609A1 (en) * 2016-01-15 2017-07-20 Lsis Co., Ltd. Draw out apparatus for air circuit breaker
CN205377144U (en) * 2016-02-26 2016-07-06 山东泰开电控有限公司 Novel low -voltage switchgear drawer shakes into blocked mechanical system
CN206293783U (en) * 2016-12-30 2017-06-30 深圳市富进电力设备有限公司 A kind of modified form open air switching station
CN107275972A (en) * 2017-07-04 2017-10-20 广东电网有限责任公司东莞供电局 Drawer-type switch cabinet earthing or grounding means
CN107465139A (en) * 2017-08-16 2017-12-12 上海洪电电气有限公司 A kind of switch cabinet handcart propulsion mechanism
CN207234265U (en) * 2017-09-12 2018-04-13 青岛电控设备有限公司 A kind of GHB high types low pressure drawer-type switchgear
CN208014561U (en) * 2018-02-27 2018-10-26 安徽俊天电气自动化技术有限公司 A kind of automatic electric switch
CN208637843U (en) * 2018-06-27 2019-03-22 广州川沃电气设备有限公司 A kind of drawer structure of control cabinet
CN208336819U (en) * 2018-07-18 2019-01-04 济源市锦华成套电器有限公司 The main ground structure of clad withdrawal-type AC metal-enclosed switch cabinet
CN211266241U (en) * 2020-01-06 2020-08-14 东莞市万通电气实业有限公司 Sliding type grounding device for switch cabinet
US20210233726A1 (en) * 2020-01-29 2021-07-29 Compass Components, Inc. Ground switch apparatus
CN112271629A (en) * 2020-10-30 2021-01-26 重庆望变电气(集团)股份有限公司 Low-voltage drawer type switch cabinet
CN215070991U (en) * 2021-05-13 2021-12-07 沈阳谊诚电气设备制造有限公司 Cabinet for changing welding grounding screw into press riveting screw
CN217115260U (en) * 2021-11-29 2022-08-02 国网河南省电力公司驻马店供电公司 Distribution network metering power distribution cabinet with five-prevention grounding device

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