Switch cabinet interlocking device
By introducing a linkage mechanism between buzzer and electromagnetic relay into the switch cabinet interlocking device, the problem of lack of alarm during power leakage is solved, timely power cut-off is achieved, and the safety of the switch cabinet is improved.
Patent Information
- Application Number
- CN202422223252.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-09-11
AI Technical Summary
The existing switch cabinet interlocking devices lack effective alarm mechanisms when power leakage, resulting in insufficient safety.
The buzzer and electromagnetic relay are introduced into the switch cabinet interlocking device. When leakage is detected, the buzzer makes a sharp sound to remind the staff to cut off the power supply in time and send part of the current to the electromagnetic relay through the wires to drive the buzzer to work.
The safety of the switch cabinet is improved, and the potential dangers caused by power leakage are prevented through timely alarm mechanisms, which enhances the user's sense of security.
Smart Images
Figure CN223246107U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of switch cabinet interlocking, in particular to a switch cabinet interlocking device. Background Art
[0002] As a commonly used control component in modern times, the switch cabinet's main function is to provide a fixed space for the electrical switches stored inside it and to complete the control of electrical energy. During the use of the switch cabinet, it is often necessary to install an interlocking device in the switch cabinet. When the user opens the switch cabinet through external force, the power supplied to the switch cabinet is cut off, and at the same time, the grounding structure of the switch cabinet is driven to connect, ensuring the safety of electricians when operating the electrical components inside the switch cabinet.
[0003] Compared with the existing switch cabinet interlocking device, the utility model adds a leakage alarm component. When power leakage occurs during the power-on process of the switch cabinet, a sharp sound can be emitted through the buzzer to remind surrounding staff to cut off the power supplied to the inside of the switch cabinet in time, thereby improving the safety of the switch cabinet interlocking device. Utility Model Content
[0004] The purpose of the present utility model is to provide a switch cabinet interlocking device to solve the problems raised in the above background technology.
[0005] To achieve the above object, the present invention provides the following technical solution: comprising a cabinet door and opening and closing leaves, wherein the front of the cabinet door is provided with two sets of opening and closing leaves by bolts;
[0006] Two sets of first fixing plates are installed on the front of the cabinet door by bolts, a hinge is installed on the back of the first fixing plate, a transmission rod is installed on the back of the hinge, a sliding block is hinged at the tail end of the transmission rod, a sliding bar is slidably connected to the inner side of the sliding block, fixing bolts are installed on both sides of the sliding bar, and a threaded hole is opened inside the fixing bolt.
[0007] Preferably, a linkage rod is hinged on the outer surface of the sliding block, and an extension rod is embedded in the inner side of the linkage rod.
[0008] Preferably, a spring is installed inside the linkage rod.
[0009] Preferably, the tail end of the extension rod is hinged with a second fixing plate, and two groups of threaded holes are formed through the interior of the second fixing plate.
[0010] Preferably, a handle lock is installed on the front of the cabinet door.
[0011] Preferably, a wrapping shell is installed on the front of the cabinet door, and the wrapping shell is located above the handle lock, a battery is installed inside the wrapping shell, a charging port is installed on the top of the battery, and the top of the charging port extends to the outside of the wrapping shell, and buzzers are installed on both sides of the wrapping shell.
[0012] Preferably, an electromagnetic relay is installed on the front of the cabinet door, the electromagnetic relay is located above the wrapping shell, and both sides of the electromagnetic relay are connected to the front of the cabinet door through wires.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] 1. The utility model is provided with a battery, a buzzer and an electromagnetic relay. When an external switch cabinet leaks electricity, part of the current is transmitted to the inside of the electromagnetic relay through the wire. At this time, the electromagnetic relay reverses and transmits the electric energy inside the battery to the inside of the buzzer. The small pick inside the buzzer vibrates at a high frequency, and then emits a sharp sound, reminding the surrounding staff that the external switch cabinet may have a leakage and it is necessary to cut off the power supply in time to improve the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the overall structure of a switch cabinet interlocking device of the utility model;
[0016] Figure 2 for Figure 1 Schematic diagram of the transmission rod connection part structure;
[0017] Figure 3 for Figure 2 A schematic diagram of the cross-sectional structure of the connecting part of the linkage rod;
[0018] Figure 4 for Figure 1 Schematic diagram of the cross-sectional connection structure of the encapsulating shell.
[0019] In the figure: 1. Cabinet door; 2. Opening and closing leaf; 3. First fixing plate; 4. Hinge; 5. Transmission rod; 6. Sliding block; 7. Sliding bar; 8. Fixing bolt; 9. Linking rod; 10. Extension rod; 11. Spring; 12. Second fixing plate; 13. Handle lock; 14. Envelope; 15. Battery; 16. Charging port; 17. Buzzer; 18. Electromagnetic relay. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] See also Figure 1 、 Figure 2 and Figure 3The utility model provides a technical solution: comprising a cabinet door 1 and opening and closing pages 2, two sets of opening and closing pages 2 are installed on the front of the cabinet door 1 by bolts, the cabinet door 1 provides fixing points for the opening and closing pages 2, the first fixing plate 3, the handle lock 13, the wrapping shell 14 and the electromagnetic relay 18 installed on its outer surface, and is fixed to the outer surface of the external switch cabinet at the same time, providing shielding for the external switch cabinet under normal conditions, and the opening and closing pages 2 are installed to the outer surface of the cabinet door 1 by bolts, providing fixing points for users to install on the front of the cabinet door 1 by external force and bolts, thereby completing the fixing of the cabinet door 1;Two sets of first fixing plates 3 are installed on the front of the cabinet door 1 by bolts. The first fixing plates 3 are installed to the back of the cabinet door 1 by bolts to provide fixing points for the hinge 4 installed on the back thereof. The back of the first fixing plate 3 is installed with a hinge 4. The hinge 4 is installed to the back of the first fixing plate 3 to provide a connection point for the transmission rod 5 installed on the back thereof to ensure the mobility of the transmission rod 5. The back of the hinge 4 is installed with a transmission rod 5. The transmission rod 5 is installed to the back of the hinge 4. When the cabinet door 1 is opened after being fixed, the transmission rod 5 generates traction under the drive of the cabinet door 1, driving the sliding block 6 hinged at its tail end to move. The tail end of the transmission rod 5 is hinged with a sliding block 6. The sliding block 6 moves along the sliding bar 7 under the drive of the transmission rod 5, with When the sliding bar 7 needs to be fixed, the external bolts can be inserted into the inner side of the fixing bolts 8 by external force, and the sliding bar 7 can be moved to the inner side of the switch cabinet, and the external bolts can be inserted into the inner side of the switch cabinet to complete the fixing of the sliding bar 7. The outer surface of the sliding block 6 is hinged with a linkage rod 9, which moves under the drive of the sliding block 6, driving the extension rod 10 connected to the inner side thereof to move. Extension, the inner side of the linkage rod 9 is engaged with an extension rod 10, and the extension rod 10 is engaged with the inner side of the linkage rod 9. When the linkage rod 9 moves, the extension rod 10 extends. At the same time, the extension rod 10 drives the second fixing piece 12 to move under the drive of the spring 11. The inside of the linkage rod 9 is equipped with a spring 11, which is installed to the inner side of the linkage rod 9 and the extension rod 10. When the extension rod 10 is extended, the spring 11 extends under the drive of elastic potential energy and transmits the elastic potential energy to the inside of the second fixing piece 12 through the extension rod 10, driving the second fixing piece 12 to move in the direction of the extension rod 10. When the cabinet door 1 is closed, the spring 11 contracts, and driven by the elastic potential energy, drives the second fixing piece 12 to the opposite direction of the extension rod 10. When the cabinet door 1 is moved, the tail end of the extension rod 10 is hingedly connected to a second fixing plate 12, and two sets of threaded holes are opened inside the second fixing plate 12. Before installing the cabinet door 1, the external bolts are inserted into the interior of the second fixing plate 12, and the external bolts are inserted into the transmission structure of the external circuit breaker and the grounding device. When the cabinet door 1 is opened, the circuit breaker is disconnected and the grounding device is connected. When the cabinet door 1 is closed, the circuit breaker is connected and the grounding device is disconnected, thereby improving the safety of the switch cabinet during use. A handle lock 13 is installed on the front of the cabinet door 1. After the cabinet door 1 is installed, the handle lock 13 is connected to the external switch cabinet to complete the fixing of the cabinet door 1. When the cabinet door 1 needs to be opened, the handle lock 13 can be rotated by external force to drive the cabinet door 1 to be opened by external force.
[0022] Working principle: First, insert the external bolt into the inside of the opening and closing page 2, and insert the external bolt into the outer surface of the external switch cabinet to complete the fixation of the cabinet door 1, then insert the external bolt into the inner side of the fixing bolt 8, move the sliding bar 7 to the inner side of the switch cabinet, and insert the external bolt into the inner side of the switch cabinet to complete the fixation of the sliding bar 7. At the same time, insert the external bolt into the transmission structure of the external circuit breaker and the grounder. When the cabinet door 1 is opened after being fixed, the transmission rod 5 generates traction under the drive of the cabinet door 1, driving the sliding block 6 hinged at its tail end to move. The sliding block 6 moves along the sliding bar 7 under the drive of the transmission rod 5, driving one end of the linkage rod 9 hinged on its outer surface to move. When the linkage rod 9 moves, the extension rod 10 extends. At the same time, the extension rod 10 drives the second fixing piece 12 to move under the drive of the spring 11. When the cabinet door 1 is opened, the circuit breaker is disconnected and the grounder is connected. When the cabinet door 1 is closed, the circuit breaker is connected and the grounder is disconnected, thereby improving the safety of the switch cabinet during use.
[0023] See also Figure 1 and Figure 4 The utility model provides a technical solution: it includes a cabinet door 1 and a wrapping shell 14, the wrapping shell 14 is installed on the front of the cabinet door 1, and the wrapping shell 14 is located above the handle lock 13, the wrapping shell 14 is installed to the front of the cabinet door 1, and is made of plastic material, providing a fixing point for the battery 15 wrapped and installed therein, preventing the electric energy and dust in the external environment from entering the interior of the battery 15, ensuring the safety of the battery 15, the battery 15 is installed inside the wrapping shell 14, the battery 15 is installed inside the wrapping shell 14, when the electric energy is transmitted to the interior of the battery 15 via the charging interface 16, the battery 15 provides a storage space for the electric energy stored therein, the charging interface 16 is installed on the top of the battery 15, and the top of the charging interface 16 extends to the outside of the wrapping shell 14, the charging interface 16 is installed to the top of the battery 15, and the external charging structure is connected to the charging interface 16 before using the device, At this time, the charging interface 16 transmits electrical energy to the inside of the battery 15. Buzzers 17 are installed on both sides of the enclosing shell 14. The buzzers 17 are installed on both sides of the enclosing shell 14. When electrical energy is transmitted to the inside of the buzzer 17 through the electromagnetic relay 18, the small pick inside the buzzer 17 vibrates at a high frequency, and then emits a sharp sound, reminding the surrounding staff that the external switch cabinet may have leakage and it is necessary to cut off the power supply in time to improve the safety of the device. An electromagnetic relay 18 is installed on the front of the cabinet door 1. The electromagnetic relay 18 is located above the enclosing shell 14, and both sides of the electromagnetic relay 18 are connected to the front of the cabinet door 1 through wires. The electromagnetic relay 18 is connected to the front of the cabinet door 1 through wires. When the external switch cabinet leaks, part of the current is transmitted to the inside of the electromagnetic relay 18 through the wires. At this time, the electromagnetic relay 18 reverses and transmits the electrical energy inside the battery 15 to the inside of the buzzer 17.
[0024] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A switch cabinet interlocking device, comprising a cabinet door (1) and an opening and closing leaf (2), characterized in that: The front of the cabinet door (1) is provided with two sets of hinges (2) mounted via bolts; The front of the cabinet door (1) is mounted with two sets of first fixing plates (3) by means of bolts, the back of the first fixing plates (3) is mounted with a hinge (4), the back of the hinge (4) is mounted with a transmission rod (5), the tail end of the transmission rod (5) is hinged with a sliding block (6), the inner side of the sliding block (6) is slidably connected with a sliding bar (7), both sides of the sliding bar (7) are mounted with fixing bolts (8), and a threaded hole is provided inside the fixing bolts (8).
2. A switch cabinet interlocking device according to claim 1, characterized in that: The outer surface of the sliding block (6) is hinged with a linkage rod (9), and the inner side of the linkage rod (9) is engaged with an extension rod (10).
3. A switch cabinet interlocking device according to claim 2, characterized in that: A spring (11) is installed inside the linkage rod (9).
4. A switch cabinet interlocking device according to claim 2, characterized in that: The tail end of the extension rod (10) is hinged with a second fixing plate (12), and two groups of threaded holes are formed inside the second fixing plate (12).
5. The switch cabinet interlocking device according to claim 1, characterized in that: A handle lock (13) is installed on the front of the cabinet door (1).
6. The switch cabinet interlocking device according to claim 1, characterized in that: A wrapping shell (14) is installed on the front of the cabinet door (1), and the wrapping shell (14) is located above the handle lock (13). A battery (15) is installed inside the wrapping shell (14). A charging interface (16) is installed on the top of the battery (15), and the top of the charging interface (16) extends to the outside of the wrapping shell (14). Buzzers (17) are installed on both sides of the wrapping shell (14).
7. The switch cabinet interlocking device according to claim 1, characterized in that: An electromagnetic relay (18) is installed on the front of the cabinet door (1), the electromagnetic relay (18) is located above the wrapping shell (14), and both sides of the electromagnetic relay (18) are connected to the front of the cabinet door (1) through wires.