Power distribution cabinet fault alarm device easy to maintain

Abstract

The invention discloses an easy-to-maintain power distribution cabinet fault alarm device, and relates to the technical field of power distribution cabinets, the easy-to-maintain power distribution cabinet fault alarm device comprises a protection mechanism and a power-off protector installed in the protection mechanism, the bottom of the protection mechanism is provided with a power distribution cabinet mechanism, and cooling fans are symmetrically installed on the two sides of the interior of the power distribution cabinet mechanism. The protection mechanism comprises a lifting sleeve, a telescopic sliding rod is fixedly installed in the lifting sleeve, the outer side of the telescopic sliding rod is slidably connected with a telescopic spring, the top of the telescopic spring is fixedly connected with a telescopic protruding block, the telescopic protruding block is fixedly connected with the telescopic sliding rod, and two second protection sliding plates are oppositely attached to each other, so that the telescopic sliding rod is fixedly connected with the telescopic protruding block. The top of the heat dissipation box is protected, the power-off protectors make contact with one another, rotation of the heat dissipation fan is stopped, the protection sleeve on the top of the protection ceiling moves downwards, rainwater is prevented from entering the interior of the distribution box body, and safety protection of components in the distribution box body is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of power distribution cabinets, and in particular to an easy-to-maintain power distribution cabinet fault alarm device. Background Art

[0002] The distribution cabinet is divided into power distribution cabinet, lighting distribution cabinet and metering cabinet. It is the final equipment of the distribution system. The distribution cabinet is a general term for the motor control center. The distribution cabinet is used in occasions with relatively dispersed loads and fewer circuits. The motor control center is used in occasions with concentrated loads and more circuits. They distribute the electrical energy of a circuit of the upper-level distribution equipment to the nearest load. This level of equipment should provide protection, monitoring and control for the load.

[0003] Announcement No. CN 211829652 U discloses a fault alarm device for a power distribution cabinet. By setting a first fault detector, a second fault detector, a receiver, a first controller, an electrical switch, a second controller and an alarm, when the first fault detector or the second fault detector detects a fault, a signal is transmitted to the receiver, the receiver sorts the signal and transmits it to the first controller, the first controller receives the signal, controls the electrical switch to disconnect the circuit, and transmits the signal to the second controller at the same time, the second controller controls the alarm to start, thereby transmitting a fault alarm signal, allowing maintenance personnel to carry out maintenance, respond quickly, disconnect the circuit in time, and at the same time avoid the circuit from being used continuously when a fault occurs, causing electrical damage, losses and dangerous faults, by setting a button, a push rod, a spring, a card block, a protective cover, a slide groove, a mounting seat and an alarm, when installing, it is only necessary to press the protective cover into the slide groove, and at the same time rotate the protective cover so that the card block enters the limit opening under the elastic force of the spring, thereby fixing the protective cover and protecting the alarm, when disassembling, it is only necessary to press the button and push the push rod so that the card block moves out of the limit opening, and then the protective cover can be removed, the operation is simple, and the maintenance personnel greatly save the maintenance time of the alarm, but the patent still has the following problems in actual use: The fault alarm device of the distribution cabinet cannot protect the interior of the distribution cabinet well. Although it is protected by setting up a protective cover, it cannot be adjusted according to the external environment. When there is heavy rain and strong winds, rainwater can easily enter the interior of the distribution cabinet through the rain shield, thereby causing damage to the components inside the distribution cabinet. At the same time, it cannot dissipate the heat inside the distribution cabinet well, resulting in excessively high internal temperature of the distribution cabinet, thereby affecting the service life of the internal components.

[0004] Therefore, an easy-to-maintain distribution cabinet fault alarm device is proposed to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide an easy-to-maintain distribution cabinet fault alarm device to solve the problem that the distribution cabinet fault alarm device proposed in the above background technology cannot protect the interior of the distribution cabinet well. Although it is protected by setting a protective cover, it cannot be adjusted according to the external environment. When there is heavy rain and wind, rainwater can easily enter the interior of the distribution cabinet through the rain shield, thereby causing damage to the components inside the distribution cabinet. At the same time, it cannot dissipate the heat inside the distribution cabinet well, resulting in excessively high internal temperature of the distribution cabinet, thereby affecting the service life of internal components.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: an easy-to-maintain distribution cabinet fault alarm device, comprising a protection mechanism, and a power-off protector installed inside the protection mechanism; A power distribution cabinet mechanism is provided at the bottom of the protection mechanism, and cooling fans are symmetrically installed on both sides of the inside of the power distribution cabinet mechanism; Also includes: The protection mechanism comprises a lifting sleeve, a telescopic sliding rod is fixedly installed inside the lifting sleeve, a telescopic spring is slidably connected to the outside of the telescopic sliding rod, and a telescopic protrusion is fixedly connected to the top of the telescopic spring; The telescopic protrusion is fixedly connected to the telescopic sliding rod, and the top of the telescopic protrusion is fixedly connected to a lifting connecting rod; Among them, a protective ceiling is fixedly installed on the top of the lifting connecting rod, and a protective cover is fixedly installed at the center position of the bottom of the protective ceiling.

[0007] Preferably, a connecting hole is opened on one side of the middle part of the lifting sleeve, a sliding conical block is slidably connected to the inside of the connecting hole, a sliding connecting rod is fixedly connected to the outer side of the sliding conical block, a connecting spring is fixedly installed on one side of the top of the sliding connecting rod, a spring connecting piece is fixedly connected to the end of the connecting spring, and a heat dissipation box is fixedly installed on the outer side of the spring connecting piece.

[0008] Preferably, the sliding connecting rod is fixedly installed with a first protective sliding plate near the bottom of the connecting spring, the first protective sliding plate is slidably connected to the heat sink, a first rack is symmetrically installed on one side of the top of the first protective sliding plate, two first racks are meshedly connected with a first rotating gear on one side of the top, and a rotating connecting rod is rotatably connected between the two first rotating gears.

[0009] Preferably, a second rotating gear is fixedly installed on the outer side of the two first rotating gears, the bottoms of the two second rotating gears are meshed and connected with second racks, a second protective sliding plate is fixedly installed between the two second racks, the power-off protector is fixedly installed on the end of the second protective sliding plate, and a conical air guide block is fixedly installed on the bottom of the second protective sliding plate.

[0010] Preferably, support rods are symmetrically installed front and back inside the heat dissipation box, a mounting tube is fixedly installed between the two support rods, a plurality of mounting springs are fixedly installed on the inner side of the mounting tube, the ends of the mounting springs are rotatably connected to mounting rotating plates, and the mounting rotating plate is rotatably connected to a rotating support near the top inner side of the mounting tube.

[0011] Preferably, the rotating support is fixedly installed on the inner side of a mounting tube, the interior of the mounting tube is snap-connected with a fault alarm, the fault alarm is fit-connected to the surface of the mounting rotating plate, a plurality of wind guide rotating shafts are rotatably connected to the inner side of the bottom of the heat sink, a wind guide rotating plate is fixedly installed on the outer side of the wind guide rotating shaft, limit baffles are symmetrically installed on both sides of the interior of the heat sink, and the wind guide rotating plate is fit-connected to the limit baffles.

[0012] Preferably, the distribution cabinet mechanism includes a distribution box body, which is fixedly mounted on the bottom of a lifting sleeve. The number of the lifting sleeves is four, and the lifting sleeves are fixedly mounted on the top and around the distribution box body. A mounting hole is provided at the top center of the distribution box body, and the distribution box body is fixedly connected to the heat dissipation box through the mounting hole.

[0013] Preferably, a mounting pad is fixedly installed on the bottom of the distribution box body, a mounting base is fixedly installed on the bottom of the mounting pad, heat dissipation frames are symmetrically installed on both sides of the distribution box body, dustproof nets are fixedly installed on the outer sides of the two heat dissipation frames, a heat dissipation bracket is fixedly installed inside the heat dissipation frame, and the cooling fan is fixedly installed inside the heat dissipation bracket.

[0014] Preferably, a number of side rain shields are fixedly installed on the outside of the dustproof net on both sides of the distribution box body, connecting hinges are symmetrically installed on the front of the distribution box body, a maintenance compartment door is rotatably connected to the outside of the connecting hinge on one side, a door handle is fixedly installed on one side of the front of the maintenance compartment door, and a moisture-proof pad is fixedly installed on the inner side of the bottom of the distribution box body.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the fault alarm device for the power distribution cabinet which is easy to maintain utilizes the relative fit of two second protective sliding plates to realize the protection of the top of the heat dissipation box, and at the same time, the power-off protectors contact each other, thereby controlling the power off of the heat dissipation fan and stopping the rotation of the heat dissipation fan. At the same time, the protective cover on the top of the protective ceiling moves downward, thereby reducing the gap between the protective cover and the heat dissipation box, and lowering the height of the protective ceiling, thereby preventing rainwater from entering the interior of the distribution box body, facilitating the safe protection of the components inside the distribution box body, utilizing the heat dissipation fans on both sides of the distribution box body to quickly dissipate the heat of the components inside the distribution box body, and utilizing the dustproof net to filter the dust, thereby preventing the dust from entering the interior of the distribution box body, thereby affecting the components inside the distribution box body. The specific contents are as follows: 1. By setting up the protection mechanism, not only can the protection ceiling be used to provide preliminary protection for the distribution box body, but also when encountering strong winds or rainstorms, the strong wind will blow the protection ceiling. Since the top of the protection ceiling is inclined, the protection ceiling will generate a downward component when it is blown by the strong wind. When the protection ceiling is forced to move downward, it will drive the lifting connecting rod and the telescopic protrusion at the bottom to move downward and squeeze the telescopic spring at the bottom. When the telescopic protrusion contacts the sliding conical block, the sliding conical block will slide inside the connecting hole, thereby driving the sliding connecting rod and the first protective sliding plate to slide inside the heat dissipation box, and utilizing the meshing between the first rack and the first rotating gear. The meshing connection characteristic enables the first rack to move and the second rotating gear to rotate when the first protective sliding plate moves. The second protective sliding plate is driven to move by utilizing the meshing connection characteristic between the second rotating gear and the second rack. Since the diameter of the second rotating gear is much larger than the first rotating gear, the number of teeth of the second rotating gear is much greater than the number of rotations of the teeth of the first rotating gear. Therefore, when the same number of rotations is made, the distance that the second rotating gear drives the second rack and the second protective sliding plate to move is the same as the distance that the first rotating gear drives the first rack and the first protective sliding plate to move. Therefore, the relative sliding of the first protective sliding plate and the second protective sliding plate can be achieved. When the two second protective sliding plates are relatively fitted, the top of the heat sink is protected, and the power-off protectors contact each other, thereby controlling the power off of the heat sink fan and stopping the rotation of the heat sink fan. At the same time, the protective cover on the top of the protective ceiling moves downward, thereby reducing the gap between the protective cover and the heat sink, and lowering the height of the protective ceiling, thereby preventing rainwater from entering the interior of the distribution box body, which is convenient for safely protecting the components inside the distribution box body. When the wind force exceeds a certain value, the telescopic protrusion passes over the sliding conical block, and the elastic force of the connecting spring is used to restore the sliding conical block to its original state, and the telescopic protrusion is limited, so that the protective cover is engaged and connected with the heat sink, thereby achieving The heat sink is now closed, and the heat sink is further protected. The installation tube and the installation rotating plate inside the heat sink are used to quickly install and fix the fault alarm. The fault alarm can be quickly installed and disassembled through the gap on the top of the heat sink, which is convenient for repairing the fault alarm. At the same time, the wind guide rotating shaft at the bottom of the heat sink and the limit baffles on both sides are used to realize the rotation and limit of the wind guide rotating plate. When the heat sink fan is started, the wind guide rotating plate rotates to ninety degrees. When the heat sink fan stops, the wind guide rotating plate rotates to the horizontal, and the bottom of the heat sink is closed, thereby further protecting the distribution box body and improving the service life of the distribution box body. 2. By setting up the distribution cabinet mechanism, not only can the cooling fans on both sides of the distribution box body be used to quickly dissipate the heat of the components inside the distribution box body, but also the dustproof net can be used to filter the dust to prevent dust from entering the interior of the distribution box body, thereby affecting the components inside the distribution box body. When the cooling fan stops working, ventilation and heat dissipation on both sides can be achieved to improve the heat dissipation effect of the distribution box body. The side rain shield can be used to block the rain on the sides to prevent rain from entering the interior of the distribution box body from the side and affecting the components inside the distribution box body. The moisture-proof pad is used to prevent the distribution box body from being damp to prevent the moisture inside the distribution box body from affecting the normal use of the components. The maintenance compartment door can be opened through the door handle and the connecting hinge to facilitate the maintenance of the distribution box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the protection mechanism in the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the cross section of the heat dissipation box in the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the cross section of the lifting sleeve in the present invention; Figure 5 For the present invention Figure 4 A schematic diagram of the enlarged structure of the middle A area; Figure 6 It is a schematic diagram of the three-dimensional structure of the support rod in the present invention; Figure 7 It is a schematic diagram of the three-dimensional structure of the installation tube section in the present invention; Figure 8 It is a schematic diagram of the three-dimensional structure of the wind guide rotating plate in the present invention; Fig. 9 It is a schematic diagram of the three-dimensional structure of the power distribution cabinet mechanism in the present invention; Fig.10 It is a schematic diagram of the three-dimensional structure of the heat dissipation frame in the present invention.

[0017] In the figure: 1, protective mechanism; 101, lifting sleeve; 102, telescopic sliding rod; 103, telescopic spring; 104, telescopic protrusion; 105, lifting connecting rod; 106, protective ceiling; 107, protective sleeve; 108, connecting hole; 109, sliding conical block; 110, sliding connecting rod; 111, connecting spring; 112, spring connecting piece; 113, heat sink; 114, first protective sliding plate; 115, first rack; 116, first rotating gear; 117, rotating connecting rod; 118, second rotating gear; 119, second rack; 120, second protective sliding plate; 121, power-off protector; 122. Conical air guide block; 123. Support rod; 124. Mounting tube; 125. Mounting spring; 126. Mounting rotating plate; 127. Rotating support; 128. Fault alarm; 129. Air guide rotating shaft; 130. Air guide rotating plate; 131. Limit baffle; 2. Distribution cabinet mechanism; 201. Distribution box body; 202. Mounting hole; 203. Mounting pad; 204. Mounting base; 205. Heat dissipation frame; 206. Dustproof net; 207. Heat dissipation bracket; 208. Cooling fan; 209. Side rain shield; 210. Connecting hinge; 211. Maintenance compartment door; 212. Door handle; 213. Moisture-proof pad. DETAILED DESCRIPTION

[0018] 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 implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-Figure 10The present invention provides a technical solution: an easy-to-maintain distribution cabinet fault alarm device, comprising a protection mechanism 1, and a power-off protector 121 installed inside the protection mechanism 1, a distribution cabinet mechanism 2 is arranged at the bottom of the protection mechanism 1, and cooling fans 208 are symmetrically installed on both sides of the inside of the distribution cabinet mechanism 2, the protection mechanism 1 comprises a lifting sleeve 101, a telescopic sliding rod 102 is fixedly installed inside the lifting sleeve 101, a telescopic spring 103 is slidably connected to the outer side of the telescopic sliding rod 102, a telescopic protrusion 104 is fixedly connected to the top of the telescopic spring 103, wherein the telescopic protrusion 104 is fixedly connected to the telescopic sliding rod 102, and a lifting connecting rod 105 is fixedly connected to the top of the telescopic protrusion 104, wherein the top of the lifting connecting rod 105 A protective ceiling 106 is fixedly installed on the top, a protective sleeve 107 is fixedly installed on the bottom center position of the protective ceiling 106, a connecting hole 108 is opened on one side of the middle part of the lifting sleeve 101, a sliding conical block 109 is slidably connected inside the connecting hole 108, a sliding connecting rod 110 is fixedly connected to the outside of the sliding conical block 109, a connecting spring 111 is fixedly installed on one side of the top of the sliding connecting rod 110, a spring connecting piece 112 is fixedly connected to the end of the connecting spring 111, a heat sink 113 is fixedly installed on the outside of the spring connecting piece 112, a first protective sliding plate 114 is fixedly installed on the bottom of the sliding connecting rod 110 near the connecting spring 111, the first protective sliding plate 114 is slidably connected to the heat sink 113, and the first protective sliding plate A first rack 115 is symmetrically installed on one side of the top of 114, and a first rotating gear 116 is meshed and connected to one side of the top of the two first racks 115. A rotating connecting rod 117 is rotatably connected between the two first rotating gears 116. A second rotating gear 118 is fixedly installed on the outer side of the two first rotating gears 116, and a second rack 119 is meshed and connected to the bottom of the two second rotating gears 118. A second protective sliding plate 120 is fixedly installed between the two second racks 119. The protective ceiling 106 is used to provide preliminary protection for the distribution box body 201. At the same time, when encountering strong winds or heavy rain, the strong wind will blow the protective ceiling 106. Since the top of the protective ceiling 106 is tilted, the protective ceiling 106 will be When the wind blows, a downward component force is generated. When the protective ceiling 106 is forced to move downward, it will drive the lifting connecting rod 105 and the telescopic protrusion 104 at the bottom to move downward and squeeze the telescopic spring 103 at the bottom. When the telescopic protrusion 104 contacts the sliding conical block 109, the sliding conical block 109 will slide inside the connecting hole 108, thereby driving the sliding connecting rod 110 and the first protective sliding plate 114 to slide inside the heat sink 113. By utilizing the meshing connection between the first rack 115 and the first rotating gear 116, the first rack 115 is driven to move when the first protective sliding plate 114 moves, and the second rotating gear 118 is driven to rotate at the same time. By utilizing the meshing connection between the second rotating gear 118 and the second rack 119,Drive the second protective sliding plate 120 to move.

[0020] The power-off protector 121 is fixedly mounted on the end of the second protective sliding plate 120, a conical air guide block 122 is fixedly mounted on the bottom of the second protective sliding plate 120, support rods 123 are symmetrically mounted inside the heat sink 113, a mounting cylinder 124 is fixedly mounted between the two support rods 123, a plurality of mounting springs 125 are fixedly mounted on the inner side of the mounting cylinder 124, an end of the mounting spring 125 is rotatably connected to a mounting rotating plate 126, the mounting rotating plate 126 is rotatably connected to a rotating support 127 near the inner side of the top of the mounting cylinder 124, the rotating support 127 is fixedly mounted to the inner side of the mounting cylinder 124, a fault alarm 128 is snap-fitted to the inside of the mounting cylinder 124, and the fault alarm 128 is attached to the surface of the mounting rotating plate 126 The heat sink 113 is connected with a plurality of wind guide rotating shafts 129 on the inner side of the bottom thereof, and a wind guide rotating plate 130 is fixedly installed on the outer side of the wind guide rotating shaft 129. The limiting baffles 131 are symmetrically installed on both sides of the interior of the heat sink 113, and the wind guide rotating plate 130 is closely connected with the limiting baffles 131. Since the diameter of the second rotating gear 118 is much larger than that of the first rotating gear 116, the number of teeth of the second rotating gear 118 is much larger than the number of rotations of the teeth of the first rotating gear 116. Therefore, when the second rotating gear 118 rotates the same number of times, the distance moved by the second rotating gear 118 to drive the second rack 119 and the second protective sliding plate 120 is the same as the distance moved by the first rotating gear 116 to drive the first rack 115 and the first protective sliding plate 114. Therefore, The first protective sliding plate 114 and the second protective sliding plate 120 slide relative to each other. When the two second protective sliding plates 120 are relatively fitted, the top of the heat sink 113 is protected. At the same time, the power-off protectors 121 contact each other, thereby controlling the heat sink fan 208 to be powered off and stopping the rotation of the heat sink fan 208. At the same time, the protective cover 107 on the top of the protective ceiling 106 moves downward, thereby reducing the gap between the protective cover 107 and the heat sink 113, and lowering the height of the protective ceiling 106, thereby preventing rainwater from entering the interior of the distribution box body 201, and facilitating the safety protection of the components inside the distribution box body 201. When the wind force exceeds a certain value, the telescopic protrusion 104 passes over the sliding conical block 109, and the elastic force of the connecting spring 111 is used as The sliding conical block 109 is restored to its original state, and the telescopic protrusion 104 is limited, so that the protective sleeve 107 is engaged with the heat sink 113, thereby realizing the closure of the heat sink 113, further protecting the heat sink 113, and realizing the rapid installation and fixation of the fault alarm 128 by using the installation cylinder 124 and the installation rotating plate 126 inside the heat sink 113. The fault alarm 128 can be quickly installed and removed through the gap at the top of the heat sink 113, which is convenient for the maintenance of the fault alarm 128. At the same time, the wind guide rotating shaft 129 at the bottom of the heat sink 113 and the limiting baffles 131 on both sides are used to realize the rotation and limiting of the wind guide rotating plate 130. When the cooling fan 208 is started, the wind guide rotating plate 130 rotates to ninety degrees.When the cooling fan 208 stops, the wind guide rotating plate 130 rotates to a horizontal position, closing the bottom of the cooling box 113, thereby further protecting the distribution box body 201 and improving the service life of the distribution box body 201.

[0021] The distribution cabinet mechanism 2 includes a distribution box body 201, which is fixedly mounted on the bottom of a lifting sleeve 101. The number of lifting sleeves 101 is four. The lifting sleeves 101 are fixedly mounted around the top of the distribution box body 201. A mounting hole 202 is provided at the top center of the distribution box body 201. The distribution box body 201 is fixedly connected to the heat sink 113 through the mounting hole 202. A mounting pad 203 is fixedly mounted on the bottom of the distribution box body 201. A mounting base 204 is fixedly mounted on the bottom of the mounting pad 203. Heat dissipation frames 205 are symmetrically installed on both sides of the electrical box body 201, and dust-proof nets 206 are fixedly installed on the outside of the two heat dissipation frames 205. Heat dissipation brackets 207 are fixedly installed inside the heat dissipation frames 205, and heat dissipation fans 208 are fixedly installed inside the heat dissipation brackets 207. Several side rain shields 209 are fixedly installed on the outside of the dust-proof nets 206 on both sides of the distribution box body 201. Connecting hinges 210 are symmetrically installed on the front of the distribution box body 201, and a maintenance compartment door 211 is rotatably connected to the outside of the connecting hinge 210 on one side. A door handle 212 is fixedly installed on the front side of the maintenance compartment door 211, and a moisture-proof pad 213 is fixedly installed on the inner side of the bottom of the distribution box body 201. By setting the distribution cabinet mechanism 2, not only can the cooling fans 208 on both sides of the distribution box body 201 be used to quickly dissipate the heat of the components inside the distribution box body 201, but also the dustproof net 206 is used to filter dust to prevent dust from entering the inside of the distribution box body 201, thereby affecting the components inside the distribution box body 201. When the cooling fan 208 stops working, it can Ventilation and heat dissipation on both sides are achieved to improve the heat dissipation effect of the distribution box body 201. The side rain shield 209 is used to block rainwater on the sides to prevent rainwater from entering the inside of the distribution box body 201 from the side and affecting the components inside the distribution box body 201. The moisture-proof pad 213 is used to prevent moisture from entering the distribution box body 201 to prevent moisture from affecting the normal use of the components. The maintenance compartment door 211 can be opened through the door handle 212 and the connecting hinge 210 to facilitate the maintenance of the distribution box body 201.

[0022] Working principle: Before using this easy-to-maintain distribution cabinet fault alarm device, you need to check the overall condition of the device to ensure that it can work normally. Figure 1 - Fig.10As shown, first, the protective roof 106 is used to provide preliminary protection for the distribution box body 201. At the same time, when encountering strong winds or heavy rain, the strong wind will blow the protective roof 106. Since the top of the protective roof 106 is inclined, the protective roof 106 will generate a downward component force when it is blown by the strong wind. When the protective roof 106 is forced to move downward, it will drive the lifting connecting rod 105 and the telescopic protrusion 104 at the bottom to move downward and squeeze the telescopic spring 103 at the bottom. When the telescopic protrusion 104 contacts the sliding conical block 109, the sliding conical block 109 will slide inside the connecting hole 108, thereby driving the sliding connecting rod 110 and the first protective sliding plate 114 to slide inside the heat dissipation box 113, and utilizing the meshing connection between the first rack 115 and the first rotating gear 116. The feature is that when the first protective sliding plate 114 moves, it drives the first rack 115 to move, and at the same time drives the second rotating gear 118 to rotate, and utilizes the meshing connection between the second rotating gear 118 and the second rack 119 to drive the second protective sliding plate 120 to move. Since the diameter of the second rotating gear 118 is much larger than the first rotating gear 116, the number of teeth of the second rotating gear 118 is much greater than the number of rotations of the teeth of the first rotating gear 116. Therefore, when the same number of rotations are made, the distance that the second rotating gear 118 drives the second rack 119 and the second protective sliding plate 120 to move is the same as the distance that the first rotating gear 116 drives the first rack 115 and the first protective sliding plate 114 to move, so that the relative sliding of the first protective sliding plate 114 and the second protective sliding plate 120 can be achieved.

[0023] Secondly, when the two second protective sliding plates 120 are relatively fitted together, the top of the heat sink 113 is protected, and at the same time, the power-off protectors 121 contact each other, thereby controlling the power off of the heat sink fan 208 and stopping the rotation of the heat sink fan 208. At the same time, the protective cover 107 on the top of the protective ceiling 106 moves downward, thereby reducing the gap between the protective cover 107 and the heat sink 113, and lowering the height of the protective ceiling 106, thereby preventing rainwater from entering the interior of the distribution box body 201, and facilitating the safe protection of the components inside the distribution box body 201. When the wind force exceeds a certain value, the telescopic protrusion 104 passes over the sliding conical block 109, and the sliding conical block 109 is restored to its original state by the elastic force of the connecting spring 111, and the telescopic protrusion 104 is limited, so that the protective cover 107 is engaged and connected with the heat sink 113, thereby achieving The heat sink 113 is now closed, and the heat sink 113 is further protected. The installation tube 124 and the installation rotating plate 126 inside the heat sink 113 are used to quickly install and fix the fault alarm 128. The fault alarm 128 can be quickly installed and disassembled through the gap at the top of the heat sink 113, which is convenient for repairing the fault alarm 128. At the same time, the wind guide rotating shaft 129 at the bottom of the heat sink 113 and the limiting baffles 131 on both sides are used to realize the rotation and limiting of the wind guide rotating plate 130. When the heat sink fan 208 is started, the wind guide rotating plate 130 is rotated to ninety degrees. When the heat sink fan 208 stops, the wind guide rotating plate 130 is rotated to a horizontal position, and the bottom of the heat sink 113 is closed, thereby further protecting the distribution box body 201 and improving the service life of the distribution box body 201.

[0024] Finally, the cooling fans 208 on both sides of the distribution box body 201 are used to quickly dissipate the heat of the components inside the distribution box body 201, and the dustproof net 206 is used to filter the dust to prevent dust from entering the interior of the distribution box body 201, thereby affecting the components inside the distribution box body 201. When the cooling fans 208 stop working, ventilation and heat dissipation on both sides can be achieved to improve the heat dissipation effect of the distribution box body 201. The side rain shields 209 are used to block rainwater on the sides to prevent rainwater from entering the interior of the distribution box body 201 from the sides and affecting the components inside the distribution box body 201. The moisture-proof pad 213 is used to prevent the distribution box body 201 from being damp inside the distribution box body 201 and affecting the normal use of the components. The maintenance compartment door 211 can be opened through the door handle 212 and the connecting hinge 210 to facilitate the maintenance of the distribution box body 201.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An easy-to-maintain distribution cabinet fault alarm device, comprising a protection mechanism (1), and a power-off protector (121) installed inside the protection mechanism (1); A power distribution cabinet mechanism (2) is arranged at the bottom of the protection mechanism (1), and cooling fans (208) are symmetrically installed on both sides of the inside of the power distribution cabinet mechanism (2); It is characterized in that Also includes: The protection mechanism (1) comprises a lifting sleeve (101), a telescopic sliding rod (102) is fixedly installed inside the lifting sleeve (101), a telescopic spring (103) is slidably connected to the outside of the telescopic sliding rod (102), and a telescopic protrusion (104) is fixedly connected to the top of the telescopic spring (103); The telescopic protrusion (104) is fixedly connected to the telescopic sliding rod (102), and the top of the telescopic protrusion (104) is fixedly connected to a lifting connecting rod (105); A protective ceiling (106) is fixedly mounted on the top of the lifting connecting rod (105), and a protective cover (107) is fixedly mounted at the center of the bottom of the protective ceiling (106).

2. The easy-to-maintain distribution cabinet fault alarm device according to claim 1 is characterized in that: A connection hole (108) is provided on one side of the middle of the lifting sleeve (101); a sliding conical block (109) is slidably connected inside the connection hole (108); a sliding connection rod (110) is fixedly connected to the outside of the sliding conical block (109); a connection spring (111) is fixedly installed on one side of the top of the sliding connection rod (110); a spring connection sheet (112) is fixedly connected to the end of the connection spring (111); and a heat sink (113) is fixedly installed on the outside of the spring connection sheet (112).

3. The easy-to-maintain distribution cabinet fault alarm device according to claim 2 is characterized in that: A first protective sliding plate (114) is fixedly mounted on the bottom of the sliding connecting rod (110) near the connecting spring (111); the first protective sliding plate (114) is slidably connected to the heat sink (113); first racks (115) are symmetrically mounted on one side of the top of the first protective sliding plate (114); first rotating gears (116) are meshedly connected to the tops of two first racks (115); and a rotating connecting rod (117) is rotatably connected between the two first rotating gears (116).

4. The easy-to-maintain distribution cabinet fault alarm device according to claim 3 is characterized in that: A second rotating gear (118) is fixedly mounted on the outer sides of the two first rotating gears (116); the bottoms of the two second rotating gears (118) are meshedly connected with second racks (119); a second protective sliding plate (120) is fixedly mounted between the two second racks (119); the power-off protector (121) is fixedly mounted on the ends of the second protective sliding plates (120); and a conical air guide block (122) is fixedly mounted on the bottom of the second protective sliding plates (120).

5. The easy-to-maintain distribution cabinet fault alarm device according to claim 4 is characterized in that: Support rods (123) are symmetrically installed in the front and rear of the heat dissipation box (113); a mounting tube (124) is fixedly installed between the two support rods (123); a plurality of mounting springs (125) are fixedly installed on the inner side of the mounting tube (124); the ends of the mounting springs (125) are rotatably connected to a mounting rotating plate (126); and the mounting rotating plate (126) is rotatably connected to a rotating support (127) on the inner side near the top of the mounting tube (124).

6. The easy-to-maintain distribution cabinet fault alarm device according to claim 5, characterized in that: The rotating support (127) is fixedly mounted on the inner side of the mounting tube (124); a fault alarm (128) is snap-fittedly connected to the interior of the mounting tube (124); the fault alarm (128) is fitted and connected to the surface of the mounting rotating plate (126); a plurality of wind guide rotating shafts (129) are rotatably connected to the inner side of the bottom of the heat dissipation box (113); a wind guide rotating plate (130) is fixedly mounted on the outer side of the wind guide rotating shaft (129); and limited baffles (131) are symmetrically mounted on both sides of the interior of the heat dissipation box (113); the wind guide rotating plates (130) are fitted and connected to the limited baffles (131).

7. The easy-to-maintain distribution cabinet fault alarm device according to claim 1 is characterized in that: The power distribution cabinet mechanism (2) comprises a power distribution box body (201), the power distribution box body (201) being fixedly mounted on the bottom of a lifting sleeve (101), the lifting sleeves (101) being four in number, the lifting sleeves (101) being fixedly mounted around the top of the power distribution box body (201), a mounting hole (202) being provided at the center of the top of the power distribution box body (201), and the power distribution box body (201) being fixedly connected to the heat dissipation box (113) via the mounting hole (202).

8. The easy-to-maintain distribution cabinet fault alarm device according to claim 7, characterized in that: A mounting pad (203) is fixedly mounted on the bottom of the distribution box body (201), a mounting base (204) is fixedly mounted on the bottom of the mounting pad (203), heat dissipation frames (205) are symmetrically mounted on both sides of the distribution box body (201), dustproof nets (206) are fixedly mounted on the outer sides of the two heat dissipation frames (205), a heat dissipation bracket (207) is fixedly mounted inside the heat dissipation frame (205), and the heat dissipation fan (208) is fixedly mounted inside the heat dissipation bracket (207).

9. The easy-to-maintain distribution cabinet fault alarm device according to claim 8, characterized in that: A plurality of side rain shields (209) are fixedly installed on the outer sides of the two sides of the distribution box body (201) near the dustproof net (206), and a connecting hinge (210) is symmetrically installed on the front of the distribution box body (201). A maintenance compartment door (211) is rotatably connected to the outer side of one side of the connecting hinge (210), and a door handle (212) is fixedly installed on one side of the front of the maintenance compartment door (211). A moisture-proof pad (213) is fixedly installed on the inner side of the bottom of the distribution box body (201).

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