Safe explosion-proof electrical control cabinet

Abstract

The invention provides a safe explosion-proof electrical control cabinet, which comprises a cooling pipe, the cooling pipe is arranged on the outer wall of a shell, a plurality of fitting pipes are arranged in the cooling pipe, the plurality of fitting pipes are distributed in the cooling pipe at equal intervals, and the fitting pipes are in contact with a mounting structure. The electrical control cabinet is reasonable in design, generation of electric arcs and sparks in the electrical control cabinet can be reduced by filling nitrogen into the shell, and the filler (sand or rubber filler and the like) arranged in the shell can effectively absorb energy when the electrical control cabinet faces outwards or expands, so that the electrical control cabinet is prevented from being directly damaged.

Description

Technical Field

[0001] The invention mainly relates to the field of electrical control cabinets, and in particular to a safety explosion-proof electrical control cabinet. Background Art

[0002] The control cabinet is a device that assembles switchgear, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the requirements of electrical wiring. Its layout should meet the requirements of normal operation of the power system, facilitate maintenance, and not endanger the safety of people and surrounding equipment. In normal operation, the circuit can be connected or disconnected with the help of manual or automatic switches. In case of failure or abnormal operation, the circuit can be cut off or alarmed with the help of protective electrical appliances. Various parameters in operation can be displayed by measuring instruments, and some electrical parameters can also be adjusted, and prompts or signals can be issued for deviations from normal working conditions. It is often used in various power generation, distribution and substations.

[0003] The inventor discovered the following defects during the operation of the specific embodiment: However, there are various switching devices, measuring instruments, protective electrical appliances and auxiliary equipment installed inside the electrical control cabinet. When the above equipment fails and causes arcs or sparks, the arcs or sparks come into contact with switching devices, measuring instruments, protective electrical appliances and auxiliary equipment at other locations, causing damage to the instruments or equipment inside the electrical control cabinet.

[0004] It should be noted that the above contents belong to the technical cognition scope of the inventor. Since the technical contents in this field are vast and too complicated, the above contents of this application do not necessarily constitute prior art. Summary of the invention

[0005] 1. Technical problem to be solved by the invention: The present invention provides a safety explosion-proof electrical control cabinet to solve the technical problems existing in the above-mentioned background technology.

[0006] 2. Technical solution: To achieve the above object, the technical solution provided by the present invention is: a safety explosion-proof electrical control cabinet, comprising a shell, slots are provided on both sides of the inner wall of the shell, a jack is provided on the outer wall of one side of the shell, a sealing structure is provided on the outer wall of one side of the shell, a mounting structure is provided inside the shell, an air pump is provided inside the shell, and pressure valves are provided on both sides of the bottom of the shell; A cooling pipe is arranged on the outer wall of the shell, a fitting pipe is arranged inside the cooling pipe, the number of the fitting pipes is set to be multiple, and the multiple fitting pipes are evenly distributed inside the cooling pipe, and the fitting pipe is in contact with the mounting structure.

[0007] Furthermore, an auxiliary plate is provided on one side inside the shell, a first conductive rod is provided at one end of the auxiliary plate, the number of the first conductive rods is set to be multiple, and the multiple first conductive rods are evenly spaced and distributed on the outer wall of the auxiliary plate.

[0008] Furthermore, a placement groove is provided inside the shell, a filler is provided inside the placement groove, and an auxiliary groove is provided at the bottom of the inner wall of the shell.

[0009] Furthermore, a bolt groove is provided at the top of the auxiliary groove, guide grooves are provided on both sides of the outer wall of the auxiliary groove, the number of the auxiliary grooves is set to two, and the two auxiliary grooves are symmetrically distributed on both sides of the inner wall of the shell.

[0010] Furthermore, the sealing structure includes a sealing plate, which is arranged on the outer wall of the shell, and an insertion shaft is arranged on one side of the sealing plate, and the insertion shaft is fitted with the socket, and a synchronous belt device is arranged on the other side of the sealing plate, and a cam is arranged on one side of the synchronous belt device.

[0011] Furthermore, a slide groove is provided on the outer wall of the sealing plate, and tension springs are arranged on both sides of the slide groove. The tension spring is rotatably connected to the sealing plate, and a locking strip is arranged at one end of the tension spring. The locking strip is slidably connected to the tension spring, and the locking strip is slidably connected to the slide groove.

[0012] Furthermore, the mounting structure includes a mounting plate, a positioning shaft and a connecting shaft. Slide blocks are provided on the top and bottom of the mounting plate, and the slide blocks are slidably connected to the inside of the guide groove.

[0013] Furthermore, the positioning shaft is slidably connected to the top and bottom of the outer wall of one side of the mounting plate, a push spring is arranged between the positioning shaft and the positioning shaft, a cooling groove is opened inside the mounting plate, the cooling groove is aligned with the fitting tube, and a mounting shell is arranged on the outer wall of the mounting plate.

[0014] Furthermore, the connecting shaft is slidably connected to the inner wall of the groove in the middle of the mounting shell, one end of the connecting shaft is slidably connected to a second conductive rod, a reset spring is arranged between the second conductive rod and the connecting shaft, and the second conductive rod is aligned with the first conductive rod.

[0015] 3. Beneficial effects: Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects: The present invention can reduce the generation of arcs and sparks inside the electrical control cabinet by filling nitrogen into the interior of the shell, and the filler (sand or rubber filler, etc.) arranged inside the shell can effectively absorb energy when the electrical control cabinet moves outward or expands, thereby avoiding direct damage to the electrical control cabinet; However, after nitrogen is filled into the interior of the shell, it will affect the heat dissipation. The instrument is installed between the two installation shells so that the outer wall of one end of the bonding tube is bonded to the outer wall of the instrument. The coolant flows inside the cooling tube and passes through the bonding tube to cool the coolant inside the bonding tube, thereby achieving heat dissipation of the instrument installed inside the shell and avoiding nitrogen affecting the heat dissipation effect of the instrument. When the instrument needs to be repaired, the installation structure is pulled outward to separate the second conductive rod on one side of the installation structure from the first conductive rod. In the process of facilitating the repair of the instrument inside the electrical control cabinet, the power supply to the instrument can be cut off to avoid electric shock to maintenance personnel or arcs or sparks caused by poor contact of the instrument during the repair process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of a three-dimensional cross-sectional structure of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the housing of the present invention; Figure 4 It is a schematic diagram of the three-dimensional unfolded structure of the installation structure of the present invention; Figure 5 It is a schematic diagram of the three-dimensional unfolded structure of the sealing structure of the present invention.

[0017] Reference numerals: 1. Shell; 2. Slot; 3. Socket; 4. Auxiliary plate; 5. First conductive rod; 6. Cooling tube; 7. Fitting tube; 8. Placement groove; 9. Auxiliary groove; 10. Bolt groove; 11. Guide groove; 12. Sealing structure; 1201. Sealing plate; 1202. Insert shaft; 1203. Synchronous belt device; 1204. Cam; 1205. Slide groove; 1206. Tension spring; 1207. Engaging strip; 13. Mounting structure; 1301. Mounting plate; 1302. Slider; 1303. Positioning shaft; 1304. Push spring; 1305. Cooling groove; 1306. Mounting shell; 1307. Connecting shaft; 1308. Second conductive rod; 1309. Reset spring. DETAILED DESCRIPTION

[0018] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0019] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0020] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0021] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", "provided on" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0022] Refer to the attached Figure 1-5 A safety explosion-proof electrical control cabinet comprises a shell 1, slots 2 are provided on both sides of the inner wall of the shell 1, a plug hole 3 is provided on the outer wall of one side of the shell 1, a sealing structure 12 is provided on the outer wall of one side of the shell 1, a mounting structure 13 is provided inside the shell 1, an air pump is provided inside the shell 1, and pressure valves are provided on both sides of the bottom of the shell 1; A cooling tube 6 is provided on the outer wall of the shell 1. A fitting tube 7 is provided inside the cooling tube 6. The number of the fitting tubes 7 is set to be multiple. The multiple fitting tubes 7 are evenly spaced inside the cooling tube 6. The fitting tube 7 is in contact with the mounting structure 13. After the sealing structure 12 seals the shell 1, the air pump is started. The air pump fills nitrogen into the shell 1. The air inside the shell 1 is discharged through the pressure valve to reduce the content of combustible gas inside the shell 1. At the same time, when the nitrogen expands, the expanded nitrogen can be discharged through the pressure valve.

[0023] Furthermore, an auxiliary plate 4 is provided on one side of the interior of the shell 1, and a first conductive rod 5 is provided at one end of the auxiliary plate 4. The number of the first conductive rods 5 is set to be multiple, and the multiple first conductive rods 5 are evenly spaced and distributed on the outer wall of the auxiliary plate 4. When the first conductive rod 5 contacts the second conductive rod 1308, the external current can enter the interior of the instrument through the first conductive rod 5 and the second conductive rod 1308. The second conductive rod 1308 is connected to the instrument through a wire, and the two second conductive rods 1308 can also be connected through a wire, so that different instruments can be connected.

[0024] Furthermore, a placement groove 8 is opened inside the shell 1, and a filler is arranged inside the placement groove 8. An auxiliary groove 9 is arranged at the bottom of the inner wall of the shell 1. The filler can be sand or rubber filler, etc., which is mainly used to absorb energy to achieve the explosion-proof effect of the shell 1.

[0025] Furthermore, a bolt groove 10 is opened at the top of the auxiliary groove 9, and guide grooves 11 are opened on both sides of the outer wall of the auxiliary groove 9. The number of the auxiliary grooves 9 is set to two, and the two auxiliary grooves 9 are symmetrically distributed on both sides of the inner wall of the shell 1.

[0026] Further, the sealing structure 12 comprises a sealing plate 1201, the sealing plate 1201 is arranged on the outer wall of the housing 1, a plug shaft 1202 is arranged on one side of the sealing plate 1201, the plug shaft 1202 is fitted with the socket 3, a synchronous belt device 1203 is arranged on the other side of the sealing plate 1201, a cam 1204 is arranged on one side of the synchronous belt device 1203, a slide groove 1205 is opened on the outer wall of the sealing plate 1201, and tension springs 1206 are arranged on both sides of the slide groove 1205, and the tension spring 1206 is arranged on both sides of the slide groove 1205. 06 is rotatably connected with the sealing plate 1201, one end of the tension spring 1206 is provided with a locking strip 1207, the locking strip 1207 is slidably connected with the tension spring 1206, the locking strip 1207 is slidably connected with the slide groove 1205, the sealing plate 1201 is fitted with the outer wall of the shell 1, and then the synchronous belt device 1203 is rotated, the synchronous belt device 1203 drives the cam 1204 to rotate, the cam 1204 pushes the locking strip 1207 to move outward, so that the locking strip 1207 is inserted into the interior of the slot 2 to fix the sealing plate 1201.

[0027] Furthermore, the mounting structure 13 includes a mounting plate 1301, a positioning shaft 1303 and a connecting shaft 1307. Slide blocks 1302 are provided at the top and bottom of the mounting plate 1301. The slide blocks 1302 are slidably connected to the inside of the guide groove 11. The positioning shaft 1303 is slidably connected to the top and bottom of the outer wall of one side of the mounting plate 1301. A pushing spring 1304 is provided between the positioning shaft 1303 and the positioning shaft 1303. A cooling groove 1305 is provided inside the mounting plate 1301. The cooling groove 1305 is aligned with the fitting tube 7. A mounting shell 1306 is provided on the outer wall of the mounting plate 1301. The positioning shaft 1303 is pulled outward to disengage the positioning shaft 1303 from the bolt groove 10. Then, the mounting structure 13 can be directly pulled outward as a whole to push the mounting structure 13 outward to facilitate maintenance of instruments mounted on the surface of the mounting structure 13.

[0028] Furthermore, the connecting shaft 1307 is slidably connected to the inner wall of the groove in the middle of the mounting shell 1306, and one end of the connecting shaft 1307 is slidably connected to a second conductive rod 1308, a reset spring 1309 is arranged between the second conductive rod 1308 and the connecting shaft 1307, and the second conductive rod 1308 is aligned with the first conductive rod 5.

[0029] In this embodiment, when the instrument installed inside the housing 1 needs to be repaired, the positioning shaft 1303 is pulled outward to disengage the positioning shaft 1303 from the bolt slot 10, and then the mounting structure 13 is pulled outward to disengage the second conductive rod 1308 from the first conductive rod 5, so that the instrument is powered off, and then the instrument is repaired. After the repair is completed, the mounting structure 13 is pushed inward to fit the second conductive rod 1308 and the first conductive rod 5; Then, the sealing plate 1201 is installed on the outer wall of the housing 1, and the synchronous belt device 1203 is manually rotated, so that the synchronous belt device 1203 drives the cam 1204 to rotate, and the cam 1204 pushes the locking strip 1207 to be inserted into the inside of the slot 2, so as to achieve sealing of the housing 1; The instrument is installed between the two mounting shells 1306 and is fitted with the bonding tube 7. The coolant flows into the interior of the shell 1 through the cooling tube 6 to dissipate the heat inside the shell 1. At the same time, one end of the bonding tube 7 is arranged inside the cooling tube 6. During the flow of the coolant inside the cooling tube 6, the inside of the bonding tube 7 needs to be cooled, so that the bonding tube 7 can cool the instrument.

[0030] The above-described embodiments only express a certain implementation mode of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A safe explosion-proof electrical control cabinet, Features: include A shell (1), wherein slots (2) are provided on both sides of the inner wall of the shell (1), a plug hole (3) is provided on the outer wall of one side of the shell (1), a sealing structure (12) is provided on the outer wall of one side of the shell (1), a mounting structure (13) is provided inside the shell (1), an air pump is provided inside the shell (1), and pressure valves are provided on both sides of the bottom of the shell (1); A cooling pipe (6), wherein the cooling pipe (6) is arranged on the outer wall of the shell (1), and a fitting pipe (7) is arranged inside the cooling pipe (6), and the number of the fitting pipes (7) is set to be multiple, and the multiple fitting pipes (7) are evenly spaced and distributed inside the cooling pipe (6), and the fitting pipe (7) is in contact with the mounting structure (13).

2. A safety explosion-proof electrical control cabinet according to claim 1, Features: An auxiliary plate (4) is provided on one side of the interior of the housing (1), a first conductive rod (5) is provided on one end of the auxiliary plate (4), the number of the first conductive rods (5) is set to be multiple, and the multiple first conductive rods (5) are distributed at equal intervals on the outer wall of the auxiliary plate (4).

3. A safety explosion-proof electrical control cabinet according to claim 1, Features: A placement groove (8) is provided inside the shell (1), a filler is provided inside the placement groove (8), and an auxiliary groove (9) is provided at the bottom of the inner wall of the shell (1).

4. A safety explosion-proof electrical control cabinet according to claim 3, Features: A bolt groove (10) is provided at the top of the auxiliary groove (9), and guide grooves (11) are provided on both sides of the outer wall of the auxiliary groove (9). The number of the auxiliary grooves (9) is set to two, and the two auxiliary grooves (9) are symmetrically distributed on both sides of the inner wall of the shell (1).

5. A safety explosion-proof electrical control cabinet according to claim 1, Features: The sealing structure (12) comprises a sealing plate (1201), wherein the sealing plate (1201) is arranged on the outer wall of the housing (1), an insertion shaft (1202) is arranged on one side of the sealing plate (1201), the insertion shaft (1202) is fitted with the insertion hole (3), and a synchronous belt device (1203) is arranged on the other side of the sealing plate (1201), and a cam (1204) is arranged on one side of the synchronous belt device (1203).

6. A safety explosion-proof electrical control cabinet according to claim 5, Features: The outer wall of the sealing plate (1201) is provided with a slide groove (1205), and tension springs (1206) are arranged on both sides of the slide groove (1205). The tension spring (1206) is rotatably connected to the sealing plate (1201), and a snap-fit ​​strip (1207) is arranged at one end of the tension spring (1206). The snap-fit ​​strip (1207) is slidably connected to the tension spring (1206), and the snap-fit ​​strip (1207) is slidably connected to the slide groove (1205).

7. A safety explosion-proof electrical control cabinet according to claim 1, Features: The mounting structure (13) comprises a mounting plate (1301), a positioning shaft (1303) and a connecting shaft (1307); sliders (1302) are provided at the top and bottom of the mounting plate (1301); and the sliders (1302) are slidably connected to the inside of the guide groove (11).

8. A safety explosion-proof electrical control cabinet according to claim 7, Features: The positioning shaft (1303) is slidably connected to the top and bottom of the outer wall of one side of the mounting plate (1301), and a push spring (1304) is arranged between the positioning shaft (1303). A cooling groove (1305) is provided inside the mounting plate (1301), and the cooling groove (1305) is aligned with the fitting tube (7). The outer wall of the mounting plate (1301) is provided with a mounting shell (1306).

9. A safety explosion-proof electrical control cabinet according to claim 7, Features: The connecting shaft (1307) is slidably connected to the inner wall of the groove in the middle of the mounting shell (1306); one end of the connecting shaft (1307) is slidably connected to a second conductive rod (1308); a return spring (1309) is provided between the second conductive rod (1308) and the connecting shaft (1307); the second conductive rod (1308) is aligned with the first conductive rod (5).

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