A 10kV high voltage ring main unit with air drying structure

Abstract

The present invention discloses a 10kV high-voltage ring network cabinet with an air drying structure, including a cabinet body, an air drying chamber, a first installation chamber, and a second installation chamber provided in the cabinet body, a rotating cylinder rotatably connected in the air drying chamber, an assembly groove symmetrically provided on the side wall of the rotating cylinder, a drying cylinder installed in the assembly groove through a positioning device, and a driving mechanism fixedly connected at the center of the upper surface of the rotating cylinder. A first installation chamber and two second installation chambers are provided to facilitate the installation of different electrical equipment, and an air drying chamber is provided. While the rotating cylinder is driven to rotate by a driving device to allow external air to enter the first installation chamber and the second installation chamber for heat dissipation, the air is dried by the provided drying cylinder to keep the air dry. The drying cylinder is fixed by a positioning device for clamping, and is more convenient to disassemble, and is convenient for replacing the drying cylinder, and later maintenance is simpler.

Description

Technical Field

[0001] The invention relates to the technical field of high-voltage ring network cabinets, in particular to a 10kV high-voltage ring network cabinet with an air drying structure. Background Art

[0002] A ring main unit is a group of electrical equipment (high-voltage switchgear) installed in a metal or non-metal insulated cabinet or made into an assembled interval ring main unit. In order to ensure the heat dissipation effect in the ring main unit during use, most ring main units are equipped with heat dissipation slots and heat dissipation devices to dissipate heat in the cabinet. However, when the heat dissipation device accelerates the air flow in the cabinet, it is easy to inhale external humid air into the cabinet, causing the humid air to damage the equipment in the cabinet and reduce the service life of the equipment in the cabinet. To this end, we propose a 10kV high-voltage ring main unit with an air drying structure. Summary of the invention

[0003] The object of the present invention is to provide a 10kV high-voltage ring main unit with an air drying structure to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a 10kV high-voltage ring network cabinet with an air drying structure, comprising a cabinet body, an air drying chamber, a first installation chamber and a second installation chamber are provided in the cabinet body, a rotating cylinder is rotatably connected in the air drying chamber, the side walls of the rotating cylinder are symmetrically provided with assembly grooves, a drying cylinder is assembled in the assembly groove through a positioning device, a driving mechanism is fixedly connected at the center of the upper surface of the rotating cylinder, air inlet grooves are symmetrically provided on the side walls of the air drying chamber, a first connecting groove is provided between the air drying chamber and the first installation chamber, a second connecting groove is provided between the first installation chamber and the second installation chamber, and a first dehumidification net is fixedly installed in the first connecting groove and the second connecting groove, respectively.

[0005] Preferably, the driving mechanism includes a connecting shaft fixedly connected to the center of the upper surface of the rotating cylinder, the top end of the connecting shaft is fixedly connected to the output end of the motor, the motor is fixedly assembled in the motor housing, and the motor housing is integrally formed on the upper surface of the cabinet.

[0006] Preferably, a rotating ring is integrally formed on the lower side wall of the rotating cylinder, the rotating ring is rotatably connected to the lower side wall of the air drying chamber, a ball bearing is fixedly installed between the rotating ring and the inner cavity of the air drying chamber, and a heat dissipation blade is fixedly installed at the center of the inner cavity of the rotating cylinder through a fixed shaft.

[0007] Preferably, the number of the second installation cavities is at least two, and the two second installation cavities are symmetrical to each other.

[0008] Preferably, the air inlet slot is equipped with a dustproof net.

[0009] Preferably, the positioning device includes an installation cavity provided on the side wall of the rotating cylinder, a guide rod is fixedly installed in the installation cavity, an open groove is provided on the side wall of the installation cavity, a mounting block is sleeved on the outer wall of the guide rod, a positioning pin that penetrates into the assembly groove is fixedly installed on the side wall at one end of the mounting block, a spring is tightly fitted on the side wall at the other end of the mounting block, the spring is sleeved on the outer wall of the guide rod, and a handle plate that penetrates the open groove is fixedly installed on the side wall of the mounting block.

[0010] Preferably, the number of the positioning pins is at least two, and the two positioning pins are symmetrically distributed left and right with the guide rod as the center.

[0011] Preferably, the drying cylinder comprises a drying cylinder body, the drying cylinder body is connected with the rotating cylinder via an assembly groove, a positioning pin insertion hole is provided on the side wall of the drying cylinder body, and a second dehumidification net is fixedly installed in the inner cavity of the drying cylinder body.

[0012] Preferably, the inner cavity of the drying cylinder body is fixedly mounted with a mounting shaft via a connecting rod, the outer side wall of the mounting shaft is rotatably connected with a spiral blade via a rotating ring, the number of the spiral blades is at least two, and the spiral directions of the two spiral blades are consistent.

[0013] Compared with the prior art, the beneficial effects of the present invention are: a 10kV high-voltage ring network cabinet with an air drying structure is provided with a first installation cavity and two second installation cavities, which is convenient for the installation of different electrical equipment. The first installation cavity and the second installation cavity are connected to each other, which is convenient for the internal air to flow and dissipate heat. An air drying cavity is provided. When the rotating cylinder is driven by a driving device to rotate, the external air enters the first installation cavity and the second installation cavity for heat dissipation, and the air is dried by the provided drying cylinder to keep the air dry. The drying cylinder is clamped and fixed by a positioning device, which is more convenient to disassemble, and the replacement of the drying cylinder is convenient, and the later maintenance is simpler. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention.

[0015] Figure 2 It is a front view of the first embodiment of the present invention.

[0016] Figure 3 for Figure 2 Detail of point a in the figure.

[0017] Figure 4 It is a front view of the second embodiment of the present invention.

[0018] Figure 5 for Figure 4 Detail of point b in the figure.

[0019] In the figure: 1. cabinet, 2. air drying chamber, 3. first installation chamber, 4. second installation chamber, 5. rotating cylinder, 51. rotating ring, 52. ball bearing, 53. heat dissipation blade, 6. assembly groove, 7. positioning device, 71. installation chamber, 72. guide rod, 73. opening groove, 74. installation block, 75. positioning pin, 76. spring, 77. handle plate, 8. drying cylinder, 81. drying cylinder body, 82. positioning pin socket, 83. second dehumidification net, 84. installation shaft, 85. spiral blade, 9. driving mechanism, 10. air inlet groove, 11. first connecting groove, 12. second connecting groove, 13. first dehumidification net, 14. dustproof net. 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0021] First embodiment

[0022] See also Figure 1 , Figure 2 and Figure 3 The present embodiment provides a technical solution: a 10kV high-voltage ring network cabinet with an air drying structure, comprising a cabinet body 1, an air drying chamber 2, a first installation chamber 3 and a second installation chamber 4 are provided in the cabinet body 1, a baffle is provided on the front surface of the air drying chamber 2, side walls of the first installation chamber 3 and the second installation chamber 4 are hinged with switch doors, the number of the second installation chambers 4 is at least two, the two second installation chambers 4 are symmetrical on the left and right, and the two second installation chambers 4 are provided to facilitate the installation of more electrical equipment, and there is a gap between the second installation chamber 4 and the switch door to facilitate air circulation.

[0023] A rotating cylinder 5 is rotatably connected in the air drying chamber 2, and a mounting groove 6 is symmetrically provided on the side wall of the rotating cylinder 5. A drying cylinder 8 is mounted in the mounting groove 6 through a positioning device 7. A driving mechanism 9 is fixedly connected at the center of the upper surface of the rotating cylinder 5. An air inlet groove 10 is symmetrically provided on the side wall of the air drying chamber 2. A dustproof net 14 is installed in the air inlet groove 10. The dustproof net 14 is provided to prevent dust from entering the air drying chamber 2. A first connecting groove 11 is provided between the air drying chamber 2 and the first mounting chamber 3, and a first connecting groove 12 is provided between the first mounting chamber 3 and the second mounting chamber 4. There is a second connecting groove 12, and the first dehumidification net 13 is fixedly installed in the first connecting groove 11 and the second connecting groove 12 respectively. The air drying chamber 2 and the first installation chamber 3 are connected through the first connecting groove 11, and the first installation chamber 3 and the second installation chamber 4 are connected through the second connecting groove 12. When the air enters the air drying chamber 2 from the air inlet groove 10, the air is preliminarily dried by the drying cylinder 8 in the air drying chamber 2. When the air enters the first installation chamber 3 and the second installation chamber 4 respectively, it is dried again by the first dehumidification net 13.

[0024] The driving mechanism 9 includes a connecting shaft 91 fixedly connected to the center of the upper surface of the rotating cylinder 5. The top end of the connecting shaft 91 is fixedly connected to the output end of the motor 92. The motor 92 is fixedly assembled in a motor housing 93. The motor housing 93 is integrally formed on the upper surface of the cabinet 1. The motor 92 is a DC brushless motor. The motor 92 is connected to an external power supply. When the motor 92 is powered on, it drives the rotating cylinder 5 to rotate through the connecting shaft 91.

[0025] A rotating ring 51 is integrally formed on the lower side wall of the rotating cylinder 5, and the rotating ring 51 is rotatably connected to the lower side wall of the air drying chamber 2. A ball bearing 52 is fixedly installed between the rotating ring 51 and the inner cavity of the air drying chamber 2. A heat dissipation blade 53 is fixedly installed at the center of the inner cavity of the rotating cylinder 5 through a fixed shaft. After the rotating cylinder 5 rotates, the air passes through the first connecting groove 11 and the second connecting groove 12 and enters the first installation cavity 3 and the second installation cavity 4 in sequence through the heat dissipation blade 53.

[0026] The positioning device 7 includes a mounting cavity 71 provided on the side wall of the rotating cylinder 5, a guide rod 72 is fixedly installed in the mounting cavity 71, an opening groove 73 is provided on the side wall of the mounting cavity 71, and a mounting block 74 is sleeved on the outer wall of the guide rod 72. Figure 3As shown in , the assembly grooves 6 of the side walls of the rotating cylinder 5 are symmetrically distributed up and down, the number of mounting blocks 74 matches the number of mounting grooves 6, and the mounting blocks 74 are symmetrically arranged, and a positioning pin 75 that penetrates into the assembly groove 6 is fixedly installed on the side wall of one end of the mounting block 74, and a spring 76 is tightly fitted on the side wall of the other end of the mounting block 74, and the spring 76 is sleeved on the outer side wall of the guide rod 72. A handle plate 77 that penetrates the opening groove 73 is fixedly installed on the side wall of the mounting block 74, and the spring 76 generates elastic force on the two relatively arranged mounting blocks 74 respectively, so that the positioning pins 75 are respectively inserted into the drying cylinders 8 in the two assembly grooves 6, and the position of the drying cylinder 8 is clamped and fixed. The number of positioning pins 75 is at least two, and the two positioning pins 75 are symmetrically distributed on the left and right with the guide rod 72 as the center. The fixing effect of the drying cylinder 8 is ensured by setting the relatively symmetrical positioning pins 75, and the movement of the mounting block 74 is convenient by setting the handle plate 77.

[0027] The drying cylinder 8 includes a drying cylinder body 81, which is connected to the rotating cylinder 5 through the assembly groove 6. A positioning pin hole 82 is provided on the side wall of the drying cylinder body 81. A second dehumidification net 83 is fixedly installed in the inner cavity of the drying cylinder body 81. The air entering the rotating cylinder 5 is preliminarily dried by the second dehumidification net 83 in the drying cylinder body 81. The first dehumidification net 13 and the second dehumidification net 83 are both mesh structures containing dehumidification chemicals.

[0028] Working principle: During use, install the equipment in the first installation cavity 3 and the second installation cavity 4, turn on the motor 92, and the motor 92 drives the rotating cylinder 5 to rotate through the connecting shaft 91, so that the outside enters the rotating cylinder 5, and first dries the air through the second dehumidification net 83 in the drying cylinder 8, and then enters the first installation cavity 3 and the second installation cavity 4 through the first connecting groove 11 and the second connecting groove 12 respectively, and dries the air again through the first dehumidification net 13 to ensure the drying quality of the air. After using it for a period of time, the drying cylinder 8 can be replaced regularly to ensure the effect of the drying cylinder 8 on drying and dehumidifying the air. During the replacement of the drying cylinder 8, the mounting block 74 is moved by the handle plate 77, so that the positioning pin 75 is moved out of the positioning pin hole 82, so that the drying cylinder 8 is moved out of the assembly groove 6, which is convenient for replacing the drying cylinder 8.

[0029] Second embodiment

[0030] See also Figure 4 and Figure 5The technical solution provided in this embodiment is different from the technical solution in the first embodiment in that: the inner cavity of the drying cylinder body 81 is fixedly installed with a mounting shaft 84 through a connecting rod, and the outer wall of the mounting shaft 84 is rotatably connected with a spiral blade 85 through a rotating ring. The number of spiral blades 85 is at least two, and the spiral directions of the two spiral blades 85 are consistent. By setting the spiral blades 85, the external air can be accelerated to pass through the drying cylinder 8 into the rotating cylinder 5, the flow of air can be accelerated to enhance the heat dissipation effect in the first mounting cavity 3 and the second mounting cavity 4, and the setting direction of the spiral blades 85 is to inhale air into the rotating cylinder 5.

[0031] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A 10 kV high voltage ring main unit with an air drying structure, comprising a cabinet body (1), characterized in that: The cabinet (1) is provided with an air drying chamber (2), a first installation chamber (3) and a second installation chamber (4); a rotating cylinder (5) is rotatably connected to the air drying chamber (2); a mounting groove (6) is symmetrically provided on the side wall of the rotating cylinder (5); a drying cylinder (8) is mounted in the mounting groove (6) via a positioning device (7); a driving mechanism (9) is fixedly connected to the center of the upper surface of the rotating cylinder (5); an air inlet groove (10) is symmetrically provided on the side wall of the air drying chamber (2); a first connecting groove (11) is provided between the air drying chamber (2) and the first installation chamber (3); a second connecting groove (12) is provided between the first installation chamber (3) and the second installation chamber (4); a first dehumidification net (13) is fixedly mounted in the first connecting groove (11) and the second connecting groove (12), respectively; The driving mechanism (9) comprises a connecting shaft (91) fixedly connected to the center of the upper surface of the rotating cylinder (5), the top end of the connecting shaft (91) is fixedly connected to the output end of the motor (92), the motor (92) is fixedly assembled in a motor housing (93), and the motor housing (93) is integrally formed on the upper surface of the cabinet (1); A rotating ring (51) is integrally formed on the lower side wall of the rotating cylinder (5), the rotating ring (51) is rotatably connected to the lower side wall of the air drying chamber (2), a ball bearing (52) is fixedly installed between the rotating ring (51) and the inner cavity of the air drying chamber (2), and a heat dissipation blade (53) is fixedly installed at the center of the inner cavity of the rotating cylinder (5) via a fixed shaft; The positioning device (7) comprises a mounting cavity (71) provided on the side wall of the rotating cylinder (5), a guide rod (72) being fixedly installed in the mounting cavity (71), an opening groove (73) being provided on the side wall of the mounting cavity (71), a mounting block (74) being sleeved on the outer side wall of the guide rod (72), a positioning pin (75) penetrating into the assembly groove (6) being fixedly installed on the side wall at one end of the mounting block (74), a spring (76) being tightly fitted on the side wall at the other end of the mounting block (74), the spring (76) being sleeved on the outer side wall of the guide rod (72), and a handle plate (77) penetrating into the opening groove (73) being fixedly installed on the side wall of the mounting block (74); The number of the positioning pins (75) is at least two, and the two positioning pins (75) are symmetrically distributed left and right with the guide rod (72) as the center.

2. The 10kV high-voltage ring main unit with an air drying structure according to claim 1, characterized in that: The number of the second installation cavities (4) is at least two, and the two second installation cavities (4) are symmetrical with respect to each other.

3. The 10kV high-voltage ring main unit with an air drying structure according to claim 1, characterized in that: The air inlet groove (10) is equipped with a dustproof net (14).

4. The 10kV high-voltage ring main unit with an air drying structure according to claim 1, characterized in that: The drying cylinder (8) comprises a drying cylinder main body (81), the drying cylinder main body (81) being connected to the rotating cylinder (5) via an assembly groove (6), a positioning pin insertion hole (82) being provided on a side wall of the drying cylinder main body (81), and a second dehumidification net (83) being fixedly mounted in the inner cavity of the drying cylinder main body (81).

5. The 10kV high-voltage ring main unit with an air drying structure according to claim 4, characterized in that: The inner cavity of the drying cylinder body (81) is fixedly mounted with a mounting shaft (84) via a connecting rod, and the outer wall of the mounting shaft (84) is rotatably connected with a spiral blade (85) via a rotating ring. The number of the spiral blades (85) is at least two, and the spiral directions of the two spiral blades (85) are consistent.

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