Assembly type high-low voltage complete switch equipment

Abstract

The utility model discloses an assembly type high-low voltage complete switch device, which relates to the technical field of electrical equipment and comprises a first switch cabinet, a second switch cabinet mounted on the left side of the first switch cabinet, an insertion block fixedly connected to the left side surface of the first switch cabinet, and a mounting groove formed in the right side surface of the second switch cabinet. A first heat dissipation fan is installed in the air inlet channel, a first separation net is installed on the upper surface of the air inlet channel, a second separation net is installed on the outer side of the air outlet channel, and a high-voltage circuit breaker, a low-voltage circuit breaker, a contactor, a relay, a protection device and other assemblies are installed in the first switch cabinet and the second switch cabinet. Through the arrangement of the insertion blocks, the sliding grooves, the locking blocks, the mounting grooves and the locking grooves, the operation is simple and convenient, the stability after assembly is high, the purpose of improving the use convenience is achieved, through the arrangement of the first heat dissipation fan and the second heat dissipation fan, the temperature of the local switch cabinet is prevented from being too high, and the purpose of improving the heat dissipation effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment, in particular to an assembled high and low voltage complete switchgear. Background Art

[0002] Prefabricated high and low voltage switchgear is an electrical equipment system that integrates high-voltage and low-voltage electrical equipment, usually including high-voltage circuit breakers, low-voltage circuit breakers, contactors, relays, protective devices and other components to form a complete electrical system. This type of prefabricated equipment usually adopts a modular design, and various electrical equipment can be combined as needed to facilitate installation and maintenance. Prefabricated high and low voltage switchgear is widely used in power systems in industrial, commercial, residential and other fields. It is a safe, reliable, efficient and energy-saving electrical equipment. Through integrated design and modular structure, prefabricated switchgear can be quickly installed, debugged and put into use, improving the operating efficiency and reliability of the electrical system.

[0003] Existing assembled high and low voltage switchgear, when in use, often adopts the method of bolt connection to combine multiple switch cabinets, the assembly process is relatively cumbersome, and has the disadvantage of poor convenience. In addition, the assembled switchgear is relatively concentrated, and has the disadvantage of poor heat dissipation effect. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an assembled high and low voltage switchgear, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model is implemented by the following technical solutions: an assembled high and low voltage complete switchgear, comprising a first switch cabinet, a second switch cabinet is installed on the left side of the first switch cabinet, cabinet doors are hinged on the surfaces of the first switch cabinet and the second switch cabinet, a plug block is fixedly connected to the left side of the first switch cabinet, and a mounting groove is provided on the right side of the second switch cabinet, plug blocks are provided on the left sides of the first switch cabinet and the second switch cabinet, and a mounting groove is provided on the right side, a motor groove is provided inside the plug block, and slide grooves are provided on both sides of the motor groove, a moving rod is slidably connected to the surface of the slide groove, a locking block is fixedly connected to the outer end surface of the moving rod, and locking grooves are provided on both sides of the mounting groove, an air inlet channel is installed on the upper surface of the first switch cabinet, a first heat dissipation fan is installed inside the air inlet channel, and a first partition net is installed on the upper surface of the air inlet channel, an air outlet channel is installed on the back of the lower part of the first switch cabinet, a second heat dissipation fan is installed inside the air outlet channel, and a second partition net is installed on the outside of the air outlet channel, and high-voltage circuit breakers, low-voltage circuit breakers, contactors, relays, protection devices and other components are installed inside the first switch cabinet and the second switch cabinet.

[0008] Optionally, a bidirectional servo motor is installed inside the motor slot, and two output ends of the bidirectional servo motor are fixedly connected to a screw rod. A threaded hole is opened on the inner side surface of the moving rod, and the outer end portion of the screw rod is threadedly connected in the threaded hole.

[0009] Optionally, the number of movable rods, locking blocks, screw rods, threaded holes and locking slots at each plug block and mounting slot is two and they are symmetrically distributed.

[0010] Optionally, a limiting groove is provided on the surface of the slide groove, the outer surface of the movable rod is fixedly connected to the limiting block, and the surface of the limiting groove is slidably connected to the limiting block.

[0011] Optionally, the number of mounting grooves on the left side of the first switch cabinet is two, and they are symmetrically distributed up and down, the number of mounting grooves on the right side of the second switch cabinet is two, and they are symmetrically distributed up and down, and both sides of the first switch cabinet and the second switch cabinet are provided with matching plug-ins and mounting grooves.

[0012] Optionally, the upper surface and the back surface of the second switch cabinet are installed with the same air inlet channel, the first heat dissipation fan, the first partition screen, the air outlet channel, the second heat dissipation fan and the second partition screen as those on the first switch cabinet.

[0013] (III) Beneficial effects

[0014] The utility model provides an assembled high and low voltage complete switchgear, which has the following beneficial effects:

[0015] 1. This assembled high and low voltage complete switchgear has the effect of being easy to assemble through the arrangement of the plug block, the slide groove, the lock block, the installation groove and the lock groove. When in use, when the first switch cabinet and the second switch cabinet are assembled, the plug block on the left side of the first switch cabinet is aligned with the installation groove on the right side of the second switch cabinet and inserted. After the plug block is fully inserted into the installation groove, the position of the lock block is compared with the position of the lock groove. The staff controls the output end of the bidirectional servo motor to rotate forward through the controller of the bidirectional servo motor, and drives the screw rod to rotate through the bidirectional servo motor. The other end of the screw rod is screwed in the threaded hole. The thread pattern rotates, and at the same time, the limit block on the surface of the moving rod slides in the limit groove, which plays a role of limiting, and then the moving rod slides outward in the slide groove through the thread cooperation of the lead screw and the threaded hole, and the locking block is driven to move outward by the moving rod, so that the upper and lower locking blocks are inserted into the locking groove, and then the first switch cabinet and the second switch cabinet are assembled and installed together. When disassembling, similarly, the output end of the bidirectional servo motor is controlled to be reversed to move the locking block out of the locking groove, and then the first switch cabinet and the second switch cabinet are separated to complete the disassembly. The operation is simple and convenient, the stability after assembly is strong, and the purpose of improving the convenience of use is achieved.

[0016] 2. This assembled high and low voltage complete switch equipment has the effect of improving the heat dissipation effect through the arrangement of the first heat dissipation fan and the second heat dissipation fan. When in use, after the equipment is assembled, the outside air is blown into the first switch cabinet through the first heat dissipation fan, and the hot air in the first switch cabinet is discharged to the outside through the second heat dissipation fan to form an air flow duct, which accelerates the air circulation in the first switch cabinet, and each switch cabinet is independently provided with the first heat dissipation fan and the second heat dissipation fan, so as to avoid the local switch cabinet temperature from being too high and achieve the purpose of improving the heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front-view stereoscopic structural diagram of the utility model;

[0018] Figure 2 It is a rear-view stereoscopic structural schematic diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the structure of a partial top view of the connection between the first switch cabinet and the second switch cabinet of the utility model;

[0020] Figure 4 For this utility model Figure 3 The structural diagram at A in the middle;

[0021] Figure 5 It is a schematic structural diagram of a side cross-section of the first switch cabinet of the utility model.

[0022] In the figure: 1. first switch cabinet; 101. cabinet door; 2. second switch cabinet; 3. plug-in block; 4. motor slot; 5. slide slot; 6. moving rod; 7. locking block; 8. bidirectional servo motor; 9. screw rod; 10. threaded hole; 11. limit slot; 12. limit block; 13. mounting slot; 14. locking slot; 15. air inlet channel; 16. first cooling fan; 17. first partition net; 18. air outlet channel; 19. second cooling fan; 20. second partition net. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1

[0025] See also Figures 1 to 4The utility model provides a technical solution: an assembled high and low voltage complete switchgear, comprising a first switch cabinet 1, a second switch cabinet 2 is installed on the left side of the first switch cabinet 1, the surfaces of the first switch cabinet 1 and the second switch cabinet 2 are both hinged with cabinet doors 101, a plug block 3 is fixedly connected to the left side of the first switch cabinet 1, and a mounting groove 13 is opened on the right side of the second switch cabinet 2, the first switch cabinet 1 and the second switch cabinet 2 are both provided with a plug block 3 on the left side, and a mounting groove 13 is opened on the right side, and a motor groove 4 is opened inside the plug block 3, A bidirectional servo motor 8 is installed inside the motor slot 4, and the two output ends of the bidirectional servo motor 8 are fixedly connected with a screw rod 9, and the inner side of the moving rod 6 is provided with a threaded hole 10, and the outer end part of the screw rod 9 is threadedly connected in the threaded hole 10, and the two sides of the motor slot 4 are provided with a slide groove 5, and the surface of the slide groove 5 is slidably connected with the moving rod 6, and the outer end surface of the moving rod 6 is fixedly connected with a locking block 7, and the two sides of the installation slot 13 are provided with a locking groove 14, and the moving rod 6, the locking block 7, the screw rod 9, and the threaded hole 14 at each plug block 3 and the installation slot 13 are connected. 0 and the lock groove 14 are both two in number and are symmetrically distributed, a limiting groove 11 is provided on the surface of the slide groove 5, a limiting block 12 is fixedly connected to the outer surface of the moving rod 6, and the surface of the limiting groove 11 is slidably connected to the limiting block 12, the number of the mounting grooves 13 on the left side of the first switch cabinet 1 is two, and are symmetrically distributed up and down, the number of the mounting grooves 13 on the right side of the second switch cabinet 2 is two, and are symmetrically distributed up and down, and matching plug blocks 3 and mounting grooves 13 are provided on both sides of the first switch cabinet 1 and the second switch cabinet 2.

[0026] In order to achieve the purpose of improving the convenience of use, when using, when the first switch cabinet 1 and the second switch cabinet 2 are assembled, the plug block 3 on the left side of the first switch cabinet 1 is aligned with the installation groove 13 on the right side of the second switch cabinet 2 and inserted. After the plug block 3 is fully inserted into the installation groove 13, the position of the lock block 7 is compared with the position of the lock groove 14. The staff controls the output end of the bidirectional servo motor 8 to rotate forward through the controller of the bidirectional servo motor 8, and drives the screw rod 9 to rotate through the bidirectional servo motor 8. The other end of the screw rod 9 rotates in the threaded hole 10, and at the same time, the limit block 12 on the surface of the moving rod 6 is in the limit groove 11 The inner sliding plays a role of limiting, and then through the threaded cooperation of the screw rod 9 and the threaded hole 10, the moving rod 6 slides outward in the slide groove 5, and the locking block 7 is driven to move outward by the moving rod 6, so that the upper and lower locking blocks 7 are inserted into the locking groove 14, and then the first switch cabinet 1 and the second switch cabinet 2 are assembled and installed together. When disassembling, similarly, the output end of the bidirectional servo motor 8 is controlled to be reversed, so that the locking block 7 is moved out of the locking groove 14, and then the first switch cabinet 1 and the second switch cabinet 2 are separated, and the disassembly is completed. The operation is simple and convenient, the stability after assembly is strong, and the purpose of improving the convenience of use is achieved.

[0027] Example 2

[0028] See also Figure 1, Figure 2 and Figure 5 The utility model provides a technical solution: an assembled high and low voltage switchgear, comprising a first switch cabinet 1, an air inlet channel 15 is installed on the upper surface of the first switch cabinet 1, a first heat dissipation fan 16 is installed inside the air inlet channel 15, a first partition 17 is installed on the upper surface of the air inlet channel 15, an air outlet channel 18 is installed on the back of the lower part of the first switch cabinet 1, a second heat dissipation fan 19 is installed inside the air outlet channel 18, and a second partition 20 is installed on the outer side of the air outlet channel 18. High-voltage circuit breakers, low-voltage circuit breakers, contactors, relays, protective devices and other components are installed inside the first switch cabinet 1 and the second switch cabinet 2, and the upper surface and back of the second switch cabinet 2 are installed with the same air inlet channel 15, first heat dissipation fan 16, first partition 17, air outlet channel 18, second heat dissipation fan 19 and second partition 20 as those on the first switch cabinet 1.

[0029] In order to achieve the purpose of improving the heat dissipation effect, when in use, after the equipment is assembled, the outside air is blown into the first switch cabinet 1 through the first heat dissipation fan 16, and the hot air in the first switch cabinet 1 is discharged to the outside through the second heat dissipation fan 19, so as to form an air flow duct, thereby accelerating the air circulation in the first switch cabinet 1, and each switch cabinet is independently provided with the first heat dissipation fan 16 and the second heat dissipation fan 19, so as to avoid the local switch cabinet temperature being too high and achieve the purpose of improving the heat dissipation effect.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An assembled high and low voltage switchgear, comprising a first switch cabinet (1), characterized in that: A second switch cabinet (2) is installed on the left side of the first switch cabinet (1), cabinet doors (101) are hingedly connected to the surfaces of the first switch cabinet (1) and the second switch cabinet (2), a plug block (3) is fixedly connected to the left side of the first switch cabinet (1), a mounting groove (13) is provided on the right side of the second switch cabinet (2), plug blocks (3) are provided on the left sides of the first switch cabinet (1) and the second switch cabinet (2), a mounting groove (13) is provided on the right side, a motor groove (4) is provided inside the plug block (3), slide grooves (5) are provided on both sides of the motor groove (4), a moving rod (6) is slidably connected to the surface of the slide groove (5), and a locking block is fixedly connected to the outer end surface of the moving rod (6) (7), locking grooves (14) are provided on both sides of the installation groove (13), an air inlet channel (15) is installed on the upper surface of the first switch cabinet (1), a first heat dissipation fan (16) is installed inside the air inlet channel (15), a first partition net (17) is installed on the upper surface of the air inlet channel (15), an air outlet channel (18) is installed on the back of the lower part of the first switch cabinet (1), a second heat dissipation fan (19) is installed inside the air outlet channel (18), a second partition net (20) is installed on the outer side of the air outlet channel (18), and a high-voltage circuit breaker, a low-voltage circuit breaker, a contactor, a relay and a protection device are installed inside the first switch cabinet (1) and the second switch cabinet (2).

2. The assembled high and low voltage switchgear according to claim 1 is characterized in that: A bidirectional servo motor (8) is installed inside the motor slot (4), and two output ends of the bidirectional servo motor (8) are fixedly connected to a screw rod (9). A threaded hole (10) is provided on the inner side surface of the moving rod (6), and the outer end portion of the screw rod (9) is threadedly connected in the threaded hole (10).

3. The assembled high and low voltage switchgear according to claim 2 is characterized in that: The number of the moving rod (6), the locking block (7), the screw rod (9), the threaded hole (10) and the locking groove (14) at each of the inserting blocks (3) and the mounting groove (13) is two and they are symmetrically distributed.

4. The assembled high and low voltage switchgear according to claim 1 is characterized in that: The surface of the slide groove (5) is provided with a limiting groove (11), the outer surface of the moving rod (6) is fixedly connected to the limiting block (12), and the surface of the limiting groove (11) is slidably connected to the limiting block (12).

5. The assembled high and low voltage switchgear according to claim 1 is characterized in that: The number of the mounting grooves (13) on the left side of the first switch cabinet (1) is two and they are symmetrically distributed vertically, the number of the mounting grooves (13) on the right side of the second switch cabinet (2) is two and they are symmetrically distributed vertically, and both sides of the first switch cabinet (1) and the second switch cabinet (2) are provided with matching plug-in blocks (3) and mounting grooves (13).

6. The assembled high and low voltage switchgear according to claim 1 is characterized in that: The upper surface and the back surface of the second switch cabinet (2) are equipped with an air inlet channel (15), a first heat dissipation fan (16), a first partition screen (17), an air outlet channel (18), a second heat dissipation fan (19) and a second partition screen (20) which are the same as those on the first switch cabinet (1).

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