Multi-signal source access device of high-low voltage switch cabinet
By introducing clamping components, wiring components, lighting devices, and dehumidification components into high and low voltage switchgear, the problems of unclear and loose wire connections and equipment oxidation have been solved, achieving stable and reliable signal source access and safe operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-02
- Publication Date
- 2026-04-21
AI Technical Summary
The existing high and low voltage switchgear signal source access device does not clearly show the connection position of the wires, the wiring is not secure and is easily detached due to vibration or external force, non-professional operation may cause malfunctions, it cannot be operated at night or in low light, and the moisture inside the protective shell causes the equipment to oxidize.
A multi-signal source access device for high and low voltage switchgear was designed, comprising a clamping assembly, a wiring assembly, a lighting device, and a dehumidification assembly. The wires are fixed by clamping buckles, and the connection is ensured to be firm by fixing bolts and a pressure plate. The lighting is installed to ensure visibility at night, and the dehumidification box reduces moisture.
It allows for clear visibility of wire connection locations, ensuring secure wiring and preventing detachment. Only authorized personnel are permitted to operate the equipment. It also provides nighttime illumination and prevents equipment oxidation, thus improving the stability and safety of wiring.
Smart Images

Figure CN224153811U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of signal source access technology, specifically a multi-signal source access device for high and low voltage switchgear. Background Technology
[0002] Signal source access for high and low voltage switchgear refers to connecting various signal source devices to the control system of high and low voltage switchgear to achieve monitoring and control of the power distribution system. Signal source access for high and low voltage switchgear mainly uses current transformers and voltage transformers to measure and transform electrical quantities, relays are used for fault detection and protection, and meters provide real-time monitoring of electrical parameters. These devices together constitute the monitoring and control system of the power distribution system to ensure the safe and stable operation of the system.
[0003] Existing signal source access involves direct wire connection to the low-voltage distribution cabinet. However, when connecting wires within the cabinet, it's impossible to properly separate and secure them before wiring, making it difficult to clearly see the purpose and connection location of each wire. This also hinders the ability to quickly ensure a secure connection and reduce the risk of detachment due to vibration or external forces. Furthermore, it fails to ensure that only authorized personnel can operate the equipment, minimizing malfunctions caused by non-professional operation. In low-light conditions or at night, workers cannot clearly see the location and status. Finally, it cannot effectively dehumidify the protective enclosure to prevent moisture from causing oxidation on the equipment surface. Therefore, this utility model is proposed to solve these problems. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides a multi-signal source access device for high and low voltage switchgear, which solves the problems of clearly seeing the connection position of the wires, ensuring the connection is firm after wiring, ensuring that only authorized personnel can operate the device, providing lighting in low light conditions, and dehumidifying the protective enclosure to reduce moisture.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model provides the following technical solution: a multi-signal source access device for high and low voltage switchgear, comprising a signal box, a box plate on one side of the signal box, a clamping assembly on one side of the box plate, a fixing seat at the bottom of the signal box, an access seat connected to the upper surface of the fixing seat by a fixing bolt, a pressing bolt passing through the internal thread of the access seat, a pressing plate inserted at one end of the pressing bolt, a wiring assembly on the lower surface of the fixing seat, a protective shell on one side of the signal box, a protective side plate on one side of the protective shell, a lighting lamp on the upper surface of the protective shell, a signal side plate on the other side of the protective shell, a protective ring on the upper surface of the protective shell, a fixing lock inside the protective ring, a baffle seat inserted inside the protective shell, a protective plate on the lower surface of the baffle seat, and a dehumidification assembly on the lower surface of the protective shell.
[0008] Optionally, the clamping assembly includes a clamping seat, a clamping shaft seat, a clamping motor, and a clamping buckle. One end of the clamping seat is provided with a clamping shaft seat, the clamping shaft seat is provided with a clamping motor, and one end of the clamping motor is fitted with a clamping buckle.
[0009] Optionally, the wiring assembly includes a terminal block, a wiring spring, a wiring rod, and a wiring handle. The lower surface of the terminal block is provided with a wiring spring, the wiring rod is inserted into the inside of the wiring spring, and the wiring handle is inserted into the upper surface of the wiring rod.
[0010] Optionally, the dehumidification assembly includes a dehumidification box, a dehumidification rack, a dehumidification mesh, and threaded seats. The upper surface of the dehumidification box is provided with a dehumidification rack, the interior of the dehumidification rack is provided with a dehumidification mesh, and the two sides of the dehumidification box are provided with threaded seats.
[0011] Optionally, the upper surface of the access base is provided with a number of access threaded holes, and the internal threads of the access threaded holes are through which a pressing bolt passes.
[0012] Optionally, the upper surface of the baffle seat is provided with a baffle ring, and the baffle ring is connected to a protective ring by a fixing lock.
[0013] Optionally, the box plate has three wire-passing holes on one side, and three clamping components are inserted into the other side of the box plate near the signal box.
[0014] Optionally, the lower surface of the protective shell is provided with a protective threaded hole, and the dehumidification component is installed on the protective shell by a dehumidification bolt. The number of protective shells is five.
[0015] In summary, the technical effects and advantages of this utility model are as follows:
[0016] 1. This utility model has a reasonable structure. The clamping buckle is rotated and opened on the clamping seat to fix the wires entering the signal box. Rotating the fixing bolt opens the fixing seat and the access seat. Pulling the wiring handle moves the wiring rod upward, compressing the wiring spring. After the worker places the sorted wires under the wiring rod through the fixing seat and the access seat, the worker lowers the wiring handle. The elastic force of the wiring spring causes the wiring rod to press down on the wires below. After multiple wiring components press down and fix the wires, the worker connects the signal source. After the wires are sorted and fixed, the wiring can be connected. The purpose and connection position of each wire can be clearly seen. Rotating the fixing bolt fixes the wires in the fixing seat and the access seat. Rotating the pressing bolt moves the pressing plate on one side of the access seat, fixing the wires in the fixing seat and the access seat. The fixing of the pressing plate ensures that the connection after wiring is more secure, reducing the risk of detachment due to vibration or external force, and improving the stability and reliability of the connection.
[0017] 2. In this utility model, the baffle seat and protective plate can be moved within the protective shell by pulling the baffle ring, which facilitates inspection and maintenance by maintenance personnel. The fixing lock secures the baffle ring and protective ring on the baffle seat, which can effectively control non-workers from operating the equipment and ensure that only authorized personnel can operate it. A light is installed on the protective shell to facilitate workers to operate the relay protection pressure plate at night. The dehumidifier box under the protective shell contains a dehumidifier to dehumidify the inside of the protective shell. The dehumidifier box is installed under the protective shell by bolts, and the dehumidifier in the dehumidifier box dehumidifies the inside of the protective shell, thereby reducing the oxidation reaction on the surface of the equipment caused by moisture, which can lead to rust and damage to the equipment. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of this utility model;
[0019] Figure 2 This is an exploded view of the signal box structure of this utility model;
[0020] Figure 3 This is an exploded view of the clamping seat structure of this utility model;
[0021] Figure 4 This is an exploded view of the access base structure of this utility model;
[0022] Figure 5 This is an exploded view of the terminal block structure of this utility model;
[0023] Figure 6 This is a schematic diagram of the explosion of the protective shell structure of this utility model;
[0024] Figure 7 This is an exploded schematic diagram of the protective plate structure of this utility model;
[0025] Figure 8This is a schematic diagram of the dehumidification box structure of this utility model.
[0026] In the diagram: 1. Signal box; 2. Box plate; 3. Clamping assembly; 301. Clamping bracket; 302. Clamping shaft seat; 303. Clamping motor; 304. Clamping buckle; 4. Fixing seat; 5. Fixing bolt; 6. Connecting seat; 7. Pressing bolt; 8. Pressing plate; 9. Wiring assembly; 901. Terminal block; 902. Wiring spring; 903. Wiring rod; 904. Wiring handle; 10. Protective shell; 11. Protective side plate; 12. Lighting lamp; 13. Signal side plate; 14. Protective ring; 15. Fixing lock; 16. Baffle seat; 17. Protective plate; 18. Dehumidification assembly; 181. Dehumidification box; 182. Dehumidification rack; 183. Dehumidification mesh; 184. Threaded seat. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0028] Example: Reference Figures 1-8 The high and low voltage switchgear multi-signal source access device shown includes a signal box 1, a box plate 2 on one side of the signal box 1, a clamping assembly 3 on one side of the box plate 2, a fixing seat 4 at the bottom inside the signal box 1, an access seat 6 connected to the upper surface of the fixing seat 4 by fixing bolts 5, a pressing bolt 7 passing through the internal thread of the access seat 6, a pressing plate 8 inserted into one end of the pressing bolt 7, a wiring assembly 9 on the lower surface of the fixing seat 4, a protective shell 10 on one side of the signal box 1, a protective side plate 11 on one side of the protective shell 10, a lighting lamp 12 on the upper surface of the protective shell 10, a signal side plate 13 on the other side of the protective shell 10, a protective ring 14 on the upper surface of the protective shell 10, a fixing lock 15 inside the protective ring 14, a baffle seat 16 inserted inside the protective shell 10, a protective plate 17 on the lower surface of the baffle seat 16, and a dehumidification assembly 18 on the lower surface of the protective shell 10.
[0029] As a preferred embodiment of this example, Figures 2 to 5As shown, a box plate 2 is provided on one side of the signal box 1, and a clamping assembly 3 is provided on one side of the box plate 2. The clamping assembly 3 includes a clamping seat 301, a clamping shaft seat 302, a clamping motor 303, and a clamping buckle 304. The clamping seat 301 has a clamping shaft seat 302 at one end, and the clamping motor 303 is located inside the clamping shaft seat 302. The clamping buckle 304 is sleeved on one end of the clamping motor 303. Three wire-passing holes are opened on one side of the box plate 2. Three clamping assemblies 3 are inserted into the other side of the box plate 2 near the signal box 1. A fixing seat 4 is provided at the bottom inside the signal box 1. An access seat 6 is connected to the upper surface of the fixing seat 4 by fixing bolts 5. The inside of the access seat 6... A threaded pressing bolt 7 passes through the upper surface of the connecting seat 6. Several threaded holes are provided, with the pressing bolt 7 threaded through the internal threads of each hole. One end of the pressing bolt 7 is inserted into a pressing plate 8. A wiring assembly 9 is provided on the lower surface of the fixing seat 4. The wiring assembly 9 includes a wiring seat 901, a wiring spring 902, a wiring rod 903, and a wiring handle 904. The wiring spring 902 is located on the lower surface of the wiring seat 901, and the wiring rod 903 is inserted inside the wiring spring 902. The wiring handle 904 is inserted into the upper surface of the wiring rod 903. Several wiring assemblies 9 are provided. During use, the clamping motor 303 drives the clamping buckle 304 to... The clamping buckle 304 is rotated and opened on the clamping seat 301, fixing the wires entering the signal box 1. The fixing seat 4 and the access seat 6 are opened by rotating the fixing bolt 5. The wiring handle 904 is pulled to move the wiring rod 903 upward, compressing the wiring spring 902. After the worker places the sorted wires under the wiring rod 903 through the fixing seat 4 and the access seat 6, the worker lowers the wiring handle 904. The elastic force of the wiring spring 902 causes the wiring rod 903 to press down on the wires below. After the wires are pressed down and fixed by multiple wiring components 9, the worker connects the signal source. Thus, the wires are sorted and fixed before wiring. The purpose and connection position of each wire can be clearly seen, reducing safety hazards caused by incorrect connection. Pre-sorting and fixing can reduce on-site chaos, making the work more orderly and improving work efficiency. The clear wiring makes subsequent maintenance and repair work more convenient. By rotating the fixing bolt 5, the fixing seat 4 and the access seat 6 are fixed to the wires. By rotating the pressing bolt 7, the pressing plate 8 is moved to one side of the access seat 6, so that the pressing plate 8 fixes the wires in the fixing seat 4 and the access seat 6. The fixing of the pressing plate 8 can ensure that the connection after wiring is more secure, reduce the risk of falling off due to vibration or external force, and improve the stability and reliability of the connection.
[0030] like Figures 6 to 8As shown, in this embodiment, a protective shell 10 is provided on one side of the signal box 1, a protective side plate 11 is provided on one side of the protective shell 10, a lighting lamp 12 is provided on the upper surface of the protective shell 10, a signal side plate 13 is provided on the other side of the protective shell 10, a protective ring 14 is provided on the upper surface of the protective shell 10, a fixing lock 15 is provided inside the protective ring 14, a baffle seat 16 is inserted into the inside of the protective shell 10, a baffle ring is provided on the upper surface of the baffle seat 16, and the baffle ring is connected to the protective ring 14 through the fixing lock 15. The lower surface of the baffle seat 16... The protective shell 10 is equipped with a protective plate 17. A dehumidification assembly 18 is provided on the lower surface of the protective shell 10. The dehumidification assembly 18 includes a dehumidification box 181, a dehumidification rack 182, a dehumidification mesh 183, and threaded seats 184. The dehumidification rack 182 is located on the upper surface of the dehumidification box 181, and the dehumidification mesh 183 is located inside the dehumidification rack 182. Threaded seats 184 are located on both sides of the dehumidification box 181. A protective threaded hole is provided on the lower surface of the protective shell 10. The dehumidification assembly 18 is installed on the protective shell 10 using dehumidification bolts. There are five protective shells 10. During use, the baffle seat 16 and the protective plate 17 can be moved up and down within the protective housing 10 by pulling the baffle ring, facilitating inspection and maintenance by maintenance personnel. The baffle ring and the protective ring 14 on the baffle seat 16 are fixed by the fixing lock 15, which can effectively control non-workers from operating the equipment and ensure that only authorized personnel can operate it. By installing a light 12 on the protective housing 10, workers can operate the relay protection pressure plate at night, ensuring that workers can clearly see the position and status at night or in low light conditions. The dehumidification box 181 under the protective housing 10 contains dehumidifier to dehumidify the inside of the protective housing 10. The dehumidification box 181 is installed under the protective housing 10 by bolts. The dehumidifier in the dehumidification box 181 dehumidifies the inside of the protective housing 10, thereby reducing the oxidation reaction on the equipment surface caused by moisture, which can lead to rust and damage. The dehumidification box 181 can prevent rust and corrosion of the equipment and facilitate the replacement of the dehumidifier in the dehumidification box 181 by the staff.
[0031] The working principle of this practical application is as follows:
[0032] During use, the worker starts the clamping motor 303, which drives the clamping buckle 304 to rotate, causing the clamping buckle 304 to rotate and open on the clamping seat 301. After fixing the wires entering the signal box 1, the signal box 1 and the box plate 2 are fixed on the high and low voltage switchgear. The worker pulls the baffle ring to move the baffle seat 16 and the protective plate 17 upwards inside the protective shell 10, opening the protective plate 17. The lighting 12 on the protective shell 10 facilitates the worker's operation of the relay protection pressure plate at night. The worker opens the fixing seat 4 and the access seat 6 by rotating the fixing bolt 5. By pulling the wiring handle 904, the worker moves the wiring rod 903 upwards, compressing the wiring spring 902. The worker places the divided wires under the wiring rod 903 through the fixing seat 4 and the access seat 6. The worker then lowers the wiring handle 904, and the elastic force of the wiring spring 902 causes the wiring rod 903 to move downwards. After the wires are pressed down and fixed by multiple wiring components 9, the worker connects the signal source. After the signal source is connected, the fixing bolt 5 is rotated to fix the fixing seat 4 and the access seat 6 to secure the wires. The pressing bolt 7 is rotated to move the pressing plate 8 to one side of the access seat 6, so that the pressing plate 8 fixes the wires in the fixing seat 4 and the access seat 6, which can ensure a more secure connection after wiring. After the worker finishes installation, the fixing lock 15 is used to fix the baffle ring and the protective ring 14 on the baffle seat 16 to ensure that only authorized personnel can operate. When the temperature difference is large, there will be a certain amount of moisture inside the protective shell 10. The dehumidifier in the dehumidification box 181 under the protective shell 10 is placed to dehumidify the inside of the protective shell 10. The dehumidification box 181 is installed under the protective shell 10 by bolts, and the dehumidifier in the dehumidification box 181 dehumidifies the inside of the protective shell 10.
[0033] All electrical components mentioned in this article are connected to an external main controller and 220V AC mains power, and the main controller can be a conventional known device such as a computer that can control it.
[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A high-low voltage switch cabinet multi-signal source access device, comprising a signal box (1), characterized in that: The signal box (1) has a box plate (2) on one side, a clamping assembly (3) on one side of the box plate (2), a fixing seat (4) at the bottom inside the signal box (1), an access seat (6) connected to the upper surface of the fixing seat (4) by a fixing bolt (5), a pressing bolt (7) passing through the internal thread of the access seat (6), a pressing plate (8) inserted into one end of the pressing bolt (7), a wiring assembly (9) on the lower surface of the fixing seat (4), and a protective shell (10) on one side of the signal box (1). A protective side plate (11) is provided on one side of the protective shell (10), a lighting lamp (12) is provided on the upper surface of the protective shell (10), a signal side plate (13) is provided on the other side of the protective shell (10), a protective ring (14) is provided on the upper surface of the protective shell (10), a fixing lock (15) is provided inside the protective ring (14), a baffle seat (16) is inserted into the inside of the protective shell (10), a protective plate (17) is provided on the lower surface of the baffle seat (16), and a dehumidification component (18) is provided on the lower surface of the protective shell (10).
2. The high-low voltage switch cabinet multi-signal source access device according to claim 1, characterized in that: The clamping assembly (3) includes a clamping seat (301), a clamping shaft seat (302), a clamping motor (303), and a clamping buckle (304). One end of the clamping seat (301) is provided with the clamping shaft seat (302), the clamping shaft seat (302) is provided with the clamping motor (303) inside, and one end of the clamping motor (303) is sleeved with the clamping buckle (304).
3. The high-low voltage switch cabinet multi-signal source access device according to claim 1, characterized in that: The wiring assembly (9) includes a terminal block (901), a wiring spring (902), a wiring rod (903), and a wiring handle (904). The lower surface of the terminal block (901) is provided with the wiring spring (902), the wiring rod (903) is inserted into the inside of the wiring spring (902), and the wiring handle (904) is inserted into the upper surface of the wiring rod (903).
4. The high-low voltage switch cabinet multi-signal source access device according to claim 1, characterized in that: The dehumidification assembly (18) includes a dehumidification box (181), a dehumidification rack (182), a dehumidification mesh (183), and a threaded seat (184). The upper surface of the dehumidification box (181) is provided with the dehumidification rack (182), the inside of the dehumidification rack (182) is provided with the dehumidification mesh (183), and the two sides of the dehumidification box (181) are provided with threaded seats (184).
5. The high-low voltage switch cabinet multi-signal source access device according to claim 1, characterized in that: The upper surface of the access base (6) is provided with a number of access thread holes, and the internal threads of the access thread holes are penetrated by a pressing bolt (7).
6. The high-low voltage switch cabinet multi-signal source access device according to claim 1, characterized in that: The upper surface of the baffle seat (16) is provided with a baffle ring, and the baffle ring is connected to a protective ring (14) by a fixing lock (15).
7. The high-low voltage switch cabinet multi-signal source access device according to claim 1, characterized in that: The box plate (2) has three wire holes on one side, and three clamping components (3) are inserted into the other side of the box plate (2) near the signal box (1).
8. The high-low voltage switch cabinet multi-signal source access device according to claim 1, characterized in that: The lower surface of the protective shell (10) is provided with a protective threaded hole. The dehumidification component (18) is installed with the protective shell (10) by a dehumidification bolt. The number of the protective shells (10) is five.