Heat dissipation type circuit protection device

Abstract

The invention discloses a heat dissipation type circuit protection device which comprises a base, a protection box is arranged above the base, a bottom plate is installed at the bottom end of the protection box, a sealing gasket is installed between the base and the bottom plate, a circuit equipment placement cavity is formed in the protection box, and the sealing gasket plays a role in sealing and protecting the circuit equipment placement cavity. A heat dissipation fin plate is tightly installed on the outer surface of the protection box, the heat dissipation fin plate is used for conducting heat dissipation on the interior of the circuit equipment containing cavity, a top heat dissipation assembly is installed at the top end of the protection box, the top heat dissipation assembly comprises an installation plate installed above the protection box through bolts, and top covers are symmetrically installed at the top end of the installation plate; in the working process, after the arranged annular rotating plate rotates, the bottom groove corresponds to the top air hole, the top groove corresponds to the bottom air groove, heat exchange is conducted inside and outside the circuit equipment containing cavity, heat dissipation is conveniently conducted on the interior of the circuit equipment containing cavity, and heat dissipation protection is conducted on a circuit in the circuit equipment containing cavity.

Description

Technical Field

[0001] The invention belongs to the technical field of circuit protection devices, and in particular relates to a heat dissipation type circuit protection device. Background Art

[0002] In modern life, various switches are needed in new energy vehicles (such as electric vehicles). The protective shell of the switch usually directly covers the outside of the switch. A circuit device placement cavity is provided in the protective shell. The protective shell can protect the switch and other circuit devices in the circuit device placement cavity. In order to improve the waterproof protection effect, a sealing ring on the shell is required to protect the inside of the circuit device placement cavity. However, there are the following defects: Since the housing needs to be sealed for protection, a large amount of heat is easily accumulated inside the housing when the circuit device is in use, and it is difficult to dissipate the heat. When the circuit device is used in a high temperature environment for a long time, it is easy to affect the circuit device. Summary of the invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a heat dissipation circuit protection device, which effectively solves the problem that a large amount of heat is easily accumulated inside the shell, which is difficult to dissipate and affects the use of circuit equipment.

[0004] To achieve the above object, the present invention provides the following technical solutions: a heat dissipation circuit protection device, comprising a base, a protection box is arranged above the base, a bottom plate is installed at the bottom end of the protection box, a sealing gasket is installed between the base and the bottom plate, a circuit device placement cavity is formed inside the protection box, the sealing gasket plays a sealing and protective role for the circuit device placement cavity, a heat dissipation fin plate is tightly installed on the outer surface of the protection box, the heat dissipation fin plate is used to dissipate heat inside the circuit device placement cavity, and a top heat dissipation component is installed at the top of the protection box; The top heat dissipation assembly includes a mounting plate bolted to the top of the protection box, a top cover is symmetrically installed on the top of the mounting plate, an upper rotating groove is opened inside the top cover, a rotation adjustment unit is installed inside the upper rotating groove, the rotation adjustment unit is used to control the intake heat dissipation, a fan box is installed in the middle of the upper rotating groove, the fan box is used to drive the air flow, the fans in the fan boxes on the inner sides of the two upper rotating grooves rotate in opposite directions, a fixed shaft is installed at one end of the fan box, and the fixed shaft is fixedly installed on the inner wall of the upper rotating groove.

[0005] Preferably, the top of the protection box is symmetrically provided with two lower rotating grooves, the two lower rotating grooves respectively correspond to the two upper rotating grooves, the lower rotating grooves and the upper rotating grooves are combined to form a complete circular groove, the top of the circular groove is equidistantly provided with top air holes, the bottom end of the circular groove is symmetrically provided with two bottom air grooves, the top air holes are provided at the top of the top cover, the bottom air grooves are provided on the bottom wall of the lower rotating groove and are connected with the circuit equipment placement cavity, and the fixed axis is coaxially arranged with the circular groove.

[0006] Preferably, the rotation adjustment unit includes an annular rotating plate rotatably installed inside the upper rotating groove, a rotating ring is fixedly installed on the inner side of the annular rotating plate, the rotating ring is rotatably installed on the outer side of the fixed shaft, a rotating shaft is fixedly installed on the inner side of the annular rotating plate, the rotating shaft is rotatably installed on the top cover, a sealed bearing is provided on the outer wall of the rotating shaft, a first gear is installed at one end of the rotating shaft located outside the top cover, and a rotation driving unit is installed between the two first gears.

[0007] Preferably, a bottom groove is provided on the bottom wall of the annular rotating plate, and two top blocks are symmetrically installed on the top wall of the annular rotating plate. Two top grooves are provided on the top of the top blocks. When the annular rotating plate rotates one hundred and eighty degrees, the bottom groove corresponds to the position of the top air hole, and the top groove corresponds to the position of the bottom air groove. An active sealing unit is installed inside the top block, and an air intake drying unit is installed inside the top block.

[0008] Preferably, the movable sealing unit includes a piston seat movably mounted inside the top groove, a piston bar is fixedly mounted on the top of the piston seat, side grooves are provided on the sides where the two top grooves are close to each other, first tooth plates are provided on the sides where the two top blocks are close to each other, a connecting block is installed between the first tooth plate and the piston seat, the connecting block is located inside the side groove, a second gear is meshedly connected on the side of the first tooth plate away from the top block, the second gear is rotatably mounted on a rotating frame, and the rotating frame is fixedly mounted on the side wall of the top block.

[0009] Preferably, the second gear is meshingly connected with a second tooth plate on a side away from the top block, a fixed box is fixedly installed on the inner top wall of the annular rotating plate, a counterweight block is movably installed inside the fixed box, the counterweight block can only move inside the fixed box, and a connecting frame is fixedly installed on the bottom end of the counterweight block, and the connecting frame is fixedly connected to the two second tooth plates.

[0010] Preferably, the air intake drying unit includes a mounting groove opened inside the top block, the mounting groove is located below the top groove, through holes are evenly opened at the bottom of the mounting groove, through grooves are equidistantly opened at the top of the mounting groove, one end of the through groove passes through the side wall of the top groove, the piston seat closes the end of the through groove, a dehumidification component is installed inside the mounting groove, one end of the mounting groove passes through the outside of the annular rotating plate, and when the annular rotating plate rotates one hundred and eighty degrees, the mounting groove is located below the mounting plate.

[0011] Preferably, the dehumidifying component includes a water-absorbing sponge, a pick-and-place plate is installed on one side of the water-absorbing sponge, pins are symmetrically installed on one side of the pick-and-place plate, the pins are inserted into the interior of the water-absorbing sponge, and the water-absorbing sponge is convenient to take and place. A pull plate is installed on the side of the pick-and-place plate away from the water-absorbing sponge, and attraction magnets are installed on the bottom of the pull plate and the inner bottom wall of the installation groove, and the two attraction magnets are attracted.

[0012] Preferably, the rotation drive unit includes a sliding frame fixedly mounted on the top of the mounting plate, the sliding frame having two sliding grooves symmetrically provided, a sliding plate slidably mounted inside the sliding groove, racks are mounted on the sides of the two sliding plates away from each other, the two racks are respectively meshed with the tops of the two first gears, a return spring is mounted on the sides of the two sliding plates away from each other, and one end of the return spring is fixedly connected to the inner wall of the end of the sliding groove.

[0013] Preferably, a magnetic block is installed on the sliding plate, an electromagnet is installed on the inner wall of one end of the two sliding grooves close to each other, a conductive rod is installed on the sliding plate, and contacts are symmetrically installed on both sides of the inner wall of the sliding groove. When the electromagnet and the magnetic block are attracted, the two ends of the conductive rod are respectively in contact with the two contacts, and the two contacts are electrically connected to the fan in the fan box. A power supply is installed on the mounting plate, and the power supply is used to provide energy to the fan and the electromagnet in the fan box.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1) During operation, the heat dissipation fins tightly arranged on the outer wall of the protection box are used to dissipate heat inside the circuit device placement cavity. After the annular rotating plate rotates, the bottom groove corresponds to the top air hole, and the top groove corresponds to the bottom air groove, so that heat exchange is performed inside and outside the circuit device placement cavity, thereby facilitating heat dissipation inside the circuit device placement cavity and improving heat dissipation protection for the circuit inside the circuit device placement cavity; 2) During operation, the electromagnet generates attraction to the magnetic block after being energized, thereby pulling the rack to move, driving the annular rotating plate to rotate through the first gear, and at the same time making the two ends of the conductive rod on the sliding plate contact with the two contacts respectively, so that the fan in the fan box is turned on, which can drive the outside air to continuously flow through the circuit equipment placement cavity to dissipate heat, facilitating heat dissipation protection; 3) During operation, after the annular rotating plate is inverted, the counterweight moves under the action of gravity, driving the piston seat to move toward one side of the installation groove, opening the end of the through groove, thereby facilitating heat dissipation. When the annular rotating plate rotates, the piston seat moves back under the action of the counterweight, so that after the annular rotating plate seals the air intake, the piston bar is in close contact with the inner wall of the circular groove, so that the annular rotating plate is sealed with the inner wall of the circular groove, thereby improving the sealing and waterproof protection effect; 4) During operation, a mounting groove is provided in the top block, and the mounting groove penetrates to the outer wall of the annular rotating plate. A water-absorbing sponge is installed in the mounting groove. When air flows through the water-absorbing sponge, the moisture in the air can be dried, and the circuit equipment in the circuit equipment placement cavity is waterproofed. After the annular rotating plate is rotated and inverted, the mounting groove rotates with the annular rotating plate to the bottom of the mounting plate, which is convenient for taking out and replacing the water-absorbing sponge and facilitating subsequent protection and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0016] In the attached picture: Figure 1 It is a schematic structural diagram of a heat dissipation circuit protection device of the present invention; Figure 2 It is a schematic diagram of the structure of the top heat dissipation component of the present invention; Figure 3 It is a schematic diagram of the internal structure of the top cover of the present invention; Figure 4 It is a schematic diagram of the structure of the lower rotating tank of the present invention; Figure 5 It is a schematic diagram of the structure of the rotation adjustment unit of the present invention; Figure 6 It is a schematic diagram of the structure of the movable sealing unit of the present invention; Figure 7 It is a schematic diagram of the structure of the water-absorbing sponge of the present invention; Figure 8 It is a schematic diagram of the back structure of the top cover of the present invention; Fig. 9 It is a schematic diagram of the structure of the rotation drive unit of the present invention.

[0017] In the figure: 1, base; 2, protection box; 3, bottom plate; 4, sealing pad; 5, heat dissipation fin plate; 6, top heat dissipation component; 601, mounting plate; 602, top cover; 603, upper rotating groove; 604, top air hole; 605, lower rotating groove; 606, bottom air groove; 607, fixed shaft; 608, fan box; 609, rotation adjustment unit; 6091, annular rotating plate; 6092, rotating ring; 6093, rotating shaft; 6094, first gear; 6095, bottom groove; 6096, top groove; 610, movable sealing unit; 6101, piston seat; 6102, piston bar; 6103, side groove; 6104, first tooth plate; 61 05, second gear; 6106, second tooth plate; 6107, fixed box; 6108, counterweight; 6109, connecting frame; 611, air intake drying unit; 6111, mounting slot; 6112, through hole; 6113, through slot; 6114, attracting magnet; 6115, water-absorbing sponge; 6116, pick-and-place plate; 6117, plug pin; 6118, pull plate; 612, rotation drive unit; 6121, power supply; 6122, sliding frame; 6123, sliding slot; 6124, sliding plate; 6125, rack; 6126, reset spring; 6127, magnetic block; 6128, electromagnet; 6129, conductive rod; 61210, contact. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described 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 the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0019] Depend on Figure 1-9 The present invention relates to a heat dissipation type circuit protection device, comprising a base 1, a protection box 2 is arranged above the base 1, a bottom plate 3 is installed at the bottom end of the protection box 2, a sealing gasket 4 is installed between the base 1 and the bottom plate 3, a circuit device placement cavity is formed inside the protection box 2, the sealing gasket 4 plays a sealing and protective role for the circuit device placement cavity, a heat dissipation fin plate 5 is tightly installed on the outer surface of the protection box 2, the heat dissipation fin plate 5 is used to dissipate heat inside the circuit device placement cavity, and a top heat dissipation component 6 is installed at the top of the protection box 2; The top heat dissipation assembly 6 includes a mounting plate 601 bolted to the top of the protection box 2, a top cover 602 is symmetrically mounted on the top of the mounting plate 601, an upper rotating groove 603 is provided inside the top cover 602, a rotation adjustment unit 609 is installed inside the upper rotating groove 603, and the rotation adjustment unit 609 is used to control the heat dissipation of the air intake, a fan box 608 is installed in the middle of the upper rotating groove 603, and the fan box 608 is used to drive the air flow, and the fans in the fan boxes 608 inside the two upper rotating grooves 603 rotate in opposite directions, and a fixed shaft 607 is installed at one end of the fan box 608, and the fixed shaft 60 7 is fixedly installed on the inner wall of the upper rotating groove 603, the top of the protection box 2 is symmetrically provided with two lower rotating grooves 605, the two lower rotating grooves 605 correspond to the two upper rotating grooves 603 respectively, the lower rotating groove 605 and the upper rotating groove 603 are combined to form a complete circular groove, the top of the circular groove is equidistantly provided with top air holes 604, the bottom of the circular groove is symmetrically provided with two bottom air grooves 606, the top air hole 604 is provided at the top of the top cover 602, the bottom air groove 606 is provided on the bottom wall of the lower rotating groove 605 and is connected with the circuit device placement cavity, and the fixed shaft 607 is coaxially arranged with the circular groove.

[0020] The rotation adjustment unit 609 includes an annular rotating plate 6091 rotatably mounted inside the upper rotating groove 603, a rotating ring 6092 is fixedly mounted on the inner side of the annular rotating plate 6091, and the rotating ring 6092 is rotatably mounted on the outer side of the fixed shaft 607, a rotating shaft 6093 is fixedly mounted on the inner side of the annular rotating plate 6091, and the rotating shaft 6093 is rotatably mounted on the top cover 602, and a sealed bearing is arranged on the outer wall of the rotating shaft 6093, and a first gear 6094 is arranged at one end of the rotating shaft 6093 located outside the top cover 602, and a rotation driving unit 612 is arranged between the two first gears 6094, a bottom groove 6095 is arranged on the bottom wall of the annular rotating plate 6091, and two top blocks are symmetrically mounted on the top wall of the annular rotating plate 6091, and the top of the top block is opened. Two top grooves 6096 are provided. When the annular rotating plate 6091 rotates 180 degrees, the bottom groove 6095 corresponds to the position of the top air hole 604, and the top groove 6096 corresponds to the position of the bottom air groove 606. A movable sealing unit 610 is installed inside the top block, and an air intake drying unit 611 is installed inside the top block. The heat dissipation fins 5 tightly arranged on the outer wall of the protection box 2 dissipate heat inside the circuit device placement cavity. After the annular rotating plate 6091 rotates, the bottom groove 6095 corresponds to the top air hole 604, and the top groove 6096 corresponds to the bottom air groove 606, so that heat exchange is carried out inside and outside the circuit device placement cavity, thereby facilitating the heat dissipation inside the circuit device placement cavity and improving the heat dissipation protection of the circuit inside the circuit device placement cavity.

[0021] The movable sealing unit 610 includes a piston seat 6101 movably mounted inside the top groove 6096, a piston bar 6102 is fixedly mounted on the top of the piston seat 6101, a side groove 6103 is provided on the side where the two top grooves 6096 are close to each other, a first tooth plate 6104 is provided on the side where the two top blocks are close to each other, a connecting block is installed between the first tooth plate 6104 and the piston seat 6101, the connecting block is located inside the side groove 6103, a side of the first tooth plate 6104 away from the top block is meshed with a second gear 6105, the second gear 6105 is rotatably mounted on a rotating frame, the rotating frame is fixedly mounted on the side wall of the top block, a side of the second gear 6105 away from the top block is meshed with a second tooth plate 6106, and a fixed box 61 is fixedly mounted on the inner top wall of the annular rotating plate 6091 07. A counterweight block 6108 is movably installed inside the fixed box 6107. The counterweight block 6108 can only move inside the fixed box 6107. A connecting frame 6109 is fixedly installed on the bottom end of the counterweight block 6108. The connecting frame 6109 is fixedly connected to the two second tooth plates 6106. After the annular rotating plate 6091 is inverted, the counterweight block 6108 moves under the action of gravity, driving the piston seat 6101 to move toward the side of the installation groove 6111, and opening the end of the through groove 6113, so as to facilitate heat dissipation. When the annular rotating plate 6091 rotates, the piston seat 6101 moves back under the action of the counterweight block 6108, so that after the annular rotating plate 6091 closes the air intake, the piston bar 6102 is in close contact with the inner wall of the circular groove, so that the annular rotating plate 6091 is sealed with the inner wall of the circular groove, thereby improving the sealing and waterproof protection effect.

[0022] The air intake drying unit 611 includes a mounting groove 6111 provided inside the top block, the mounting groove 6111 is located below the top groove 6096, through holes 6112 are evenly provided at the bottom end of the mounting groove 6111, through grooves 6113 are equidistantly provided at the top end of the mounting groove 6111, one end of the through groove 6113 penetrates through the side wall of the top groove 6096, the piston seat 6101 closes the end of the through groove 6113, a dehumidifying component is installed inside the mounting groove 6111, one end of the mounting groove 6111 penetrates through the outside of the annular rotating plate 6091, when the annular rotating plate 6091 rotates 180 degrees, the mounting groove 6111 is located below the mounting plate 601, the dehumidifying component includes a water-absorbing sponge 6115, a pick-up and placement plate 6116 is installed on one side of the water-absorbing sponge 6115, and pins 6117 are symmetrically installed on one side of the pick-up and placement plate 6116, and the pins 6117 are inserted into The interior of the water-absorbing sponge 6115 is convenient for taking and placing the water-absorbing sponge 6115. A pulling plate 6118 is installed on the side of the taking and placing plate 6116 away from the water-absorbing sponge 6115. Attracting magnets 6114 are installed on the bottom of the pulling plate 6118 and the inner bottom wall of the mounting groove 6111. The two attracting magnets 6114 are attracted to each other. A mounting groove 6111 is opened in the top block. The mounting groove 6111 penetrates through the outer wall of the annular rotating plate 6091. The water-absorbing sponge 6115 is installed in the mounting groove 6111. When air flows through the inside of the water-absorbing sponge 6115, it can dry the moisture in the air and provide waterproof protection for the circuit equipment in the circuit equipment placement cavity. After the annular rotating plate 6091 is rotated and inverted, the mounting groove 6111 rotates to the bottom of the mounting plate 601 along with the annular rotating plate 6091, which is convenient for taking out and replacing the water-absorbing sponge 6115 and convenient for subsequent protection and use.

[0023] The rotation driving unit 612 includes a sliding frame 6122 fixedly mounted on the top of the mounting plate 601, and two sliding grooves 6123 are symmetrically arranged on the sliding frame 6122, and a sliding plate 6124 is slidably mounted inside the sliding groove 6123, and racks 6125 are mounted on the sides of the two sliding plates 6124 away from each other, and the two racks 6125 are respectively meshed with the tops of the two first gears 6094, and a return spring 6126 is mounted on the sides of the two sliding plates 6124 away from each other, and one end of the return spring 6126 is fixedly connected to the inner wall of the end of the sliding groove 6123, a magnetic block 6127 is mounted on the sliding plate 6124, an electromagnet 6128 is mounted on the inner wall of one end of the two sliding grooves 6123 close to each other, a conductive rod 6129 is mounted on the sliding plate 6124, and conductive rods 6129 are symmetrically mounted on both sides of the inner wall of the sliding groove 6123 It is equipped with contacts 61210. When the electromagnet 6128 and the magnetic block 6127 are attracted, the two ends of the conductive rod 6129 are respectively in contact with the two contacts 61210. The two contacts 61210 are electrically connected to the fan in the fan box 608. A power supply 6121 is installed on the mounting plate 601. The power supply 6121 is used to provide energy to the fan in the fan box 608 and the electromagnet 6128. After the electromagnet 6128 is energized, it generates an attraction to the magnetic block 6127, thereby pulling the rack 6125 to move, and driving the annular rotating plate 6091 to rotate through the first gear 6094. At the same time, the two ends of the conductive rod 6129 on the sliding plate 6124 are respectively in contact with the two contacts 61210, so that the fan in the fan box 608 is turned on, which can drive the outside air to continuously flow through the circuit equipment placement cavity to dissipate heat, thereby facilitating heat dissipation protection.

[0024] Working principle: When working, first install the circuit equipment such as switches into the circuit equipment placement cavity inside the protection box 2, install the base 1 at the bottom end of the bottom plate 3, and fix the base 1 with the bottom plate 3 by bolts, and at the same time, set a sealing gasket 4 between the base 1 and the bottom plate 3, and the sealing gasket 4 can play a sealing and protective role for the inside of the circuit equipment placement cavity, and at the same time, a plurality of heat dissipation fins 5 are tightly installed on the outer wall of the protection box 2, so as to dissipate heat inside the protection box 2, and install the mounting plate 601 on the top of the protection box 2, so as to perform auxiliary heat dissipation when heat dissipation is needed; First, during installation, bolt the mounting plate 601 to the top of the protection box 2, so that the two top covers 602 correspond to the two lower rotating grooves 605 respectively, so that the upper rotating groove 603 and the lower rotating groove 605 are combined to form a circular groove, so that the lower half of the annular rotating plate 6091 enters the lower rotating groove 605. When heat dissipation is required, the control electromagnet 6128 is energized to generate an attractive force on the magnetic block 6127, thereby driving the two sliding plates 6124 to approach each other, thereby driving the two racks 6125 to approach each other, and the racks 6125 are meshed with the first gear 6094. , thereby driving the rotating shaft 6093 to rotate, thereby driving the annular rotating plate 6091 to rotate 180 degrees, so that the bottom groove 6095 corresponds to the top air hole 604, and the two top grooves 6096 correspond to the two bottom air grooves 606 respectively. After the rotation, the counterweight block 6108 moves downward under the action of gravity, thereby driving the second tooth plate 6106 to move downward, and then the first tooth plate 6104 is driven to move in the opposite direction under the action of the second gear 6105, thereby driving the piston seat 6101 to move toward the side of the installation groove 6111, thereby opening one end of the through groove 6113; After the electromagnet 6128 and the magnetic block 6127 are attracted, the two ends of the conductive rod 6129 on the sliding plate 6124 are respectively in contact with the two contacts 61210, so that the fan in the fan box 608 is energized, and the fans on both sides rotate in opposite directions, thereby driving the outside air to enter the inner side of the annular rotating plate 6091 from the top air hole 604 and the bottom groove 6095 at the top of the top cover 602 on one side, and then enter the circuit device placement cavity from the top groove 6096 and the bottom air groove 606, pushing the hot air inside the circuit device placement cavity to be discharged from the top air hole 604 at the top of the top cover 602 on the other side, so that heat exchange is carried out inside and outside the circuit device placement cavity to complete the heat dissipation. When the air passes through the inside of the installation groove 6111 and the inside of the water-absorbing sponge 6115, the water-absorbing sponge 6115 dehumidifies and dries the air passing through, thereby protecting the circuit device in the circuit device placement cavity. After the heat dissipation is completed, the electromagnet 6128 is powered off, so that the sliding plate 6124 moves back under the elastic force of the return spring 6126, thereby driving the annular rotating plate 6091 to rotate through the rack 6125 and the first gear 6094, so that the bottom groove 6095 is staggered with the top air hole 604, and the top groove 6096 is staggered with the bottom air groove 606, so that the inside and outside of the circuit device placement cavity are isolated, and the circuit device inside the circuit device placement cavity is protected. At the same time, after the counterweight block 6108 moves downward, the second tooth plate 6106, the second gear 6105 and the first tooth plate 6104 drive the piston seat 6101 to move upward, on the one hand, the top of the through groove 6113 is closed, and at the same time, the top of the piston bar 6102 is in close contact with the inner top wall of the upper rotating groove 603, further reducing the sealing between the annular rotating plate 6091 and the inner wall of the circular groove, thereby further improving the protection of the circuit device in the circuit device placement cavity; When the water absorption effect in the water-absorbing sponge 6115 disappears, the water-absorbing sponge 6115 needs to be replaced. At this time, the mounting plate 601 is disassembled, and the electromagnet 6128 is energized to generate attraction for the magnetic block 6127, so that the sliding plate 6124 moves to drive the annular rotating plate 6091 to rotate one hundred and eighty degrees. After the annular rotating plate 6091 rotates, the mounting groove 6111 moves to the bottom of the mounting plate 601. At this time, the water-absorbing sponge 6115 is pulled outward by the pulling plate 6118, and then the water-absorbing sponge 6115 is removed and replaced for easy use.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat dissipation circuit protection device, comprising a base (1), characterized in that: A protection box (2) is provided above the base (1), a bottom plate (3) is installed at the bottom end of the protection box (2), a sealing gasket (4) is installed between the base (1) and the bottom plate (3), a circuit device placement cavity is formed inside the protection box (2), the sealing gasket (4) plays a sealing and protective role for the circuit device placement cavity, a heat dissipation fin plate (5) is tightly installed on the outer surface of the protection box (2), the heat dissipation fin plate (5) is used to dissipate heat inside the circuit device placement cavity, and a top heat dissipation component (6) is installed at the top of the protection box (2); The top heat dissipation assembly (6) comprises a mounting plate (601) bolted to the top of the protection box (2); a top cover (602) is symmetrically mounted on the top of the mounting plate (601); an upper rotating groove (603) is provided inside the top cover (602); a rotating adjustment unit (609) is mounted inside the upper rotating groove (603); the rotating adjustment unit (609) is used to control the heat dissipation of the intake air; a fan box (608) is mounted in the middle of the upper rotating groove (603); the fan box (608) is used to drive the air flow; the fans in the fan boxes (608) inside the two upper rotating grooves (603) rotate in opposite directions; a fixed shaft (607) is mounted on one end of the fan box (608); the fixed shaft (607) is fixedly mounted on the inner wall of the upper rotating groove (603).

2. A heat dissipation circuit protection device according to claim 1, characterized in that: The top of the protection box (2) is symmetrically provided with two lower rotating grooves (605), the two lower rotating grooves (605) respectively corresponding to the two upper rotating grooves (603), the lower rotating grooves (605) and the upper rotating grooves (603) are combined to form a complete circular groove, the top of the circular groove is equidistantly provided with top air holes (604), the bottom of the circular groove is symmetrically provided with two bottom air grooves (606), the top air holes (604) are provided at the top of the top cover (602), the bottom air grooves (606) are provided on the bottom wall of the lower rotating groove (605) and are connected to the circuit device placement cavity, and the fixed shaft (607) is coaxially arranged with the circular groove.

3. A heat dissipation circuit protection device according to claim 1, characterized in that: The rotation adjustment unit (609) comprises an annular rotating plate (6091) rotatably mounted inside the upper rotating groove (603); a rotating ring (6092) is fixedly mounted on the inner side of the annular rotating plate (6091); the rotating ring (6092) is rotatably mounted on the outer side of the fixed shaft (607); a rotating shaft (6093) is fixedly mounted on the inner side of the annular rotating plate (6091); the rotating shaft (6093) is rotatably mounted on the top cover (602); a sealed bearing is arranged on the outer wall of the rotating shaft (6093); a first gear (6094) is mounted on one end of the rotating shaft (6093) located outside the top cover (602); and a rotation driving unit (612) is mounted between the two first gears (6094).

4. A heat dissipation circuit protection device according to claim 3, characterized in that: A bottom groove (6095) is provided on the bottom wall of the annular rotating plate (6091), and two top blocks are symmetrically installed on the top wall of the annular rotating plate (6091). Two top grooves (6096) are provided on the top of the top blocks. When the annular rotating plate (6091) rotates 180 degrees, the bottom groove (6095) corresponds to the position of the top air hole (604), and the top groove (6096) corresponds to the position of the bottom air groove (606). A movable sealing unit (610) is installed inside the top block, and an air intake drying unit (611) is installed inside the top block.

5. A heat dissipation circuit protection device according to claim 4, characterized in that: The movable sealing unit (610) comprises a piston seat (6101) movably mounted inside the top groove (6096), a piston bar (6102) being fixedly mounted on the top of the piston seat (6101), a side groove (6103) being provided on the mutually adjacent sides of the two top grooves (6096), a first tooth plate (6104) being provided on the mutually adjacent sides of the two top blocks, a connecting block being mounted between the first tooth plate (6104) and the piston seat (6101), the connecting block being located inside the side groove (6103), a second gear (6105) being meshedly connected on the side of the first tooth plate (6104) away from the top block, the second gear (6105) being rotatably mounted on a rotating frame, and the rotating frame being fixedly mounted on the side wall of the top block.

6. A heat dissipation circuit protection device according to claim 5, characterized in that: The second gear (6105) is meshingly connected with a second tooth plate (6106) on the side away from the top block, a fixed box (6107) is fixedly installed on the inner top wall of the annular rotating plate (6091), a counterweight block (6108) is movably installed inside the fixed box (6107), and the counterweight block (6108) can only move inside the fixed box (6107), and a connecting frame (6109) is fixedly installed at the bottom end of the counterweight block (6108), and the connecting frame (6109) is fixedly connected to the two second tooth plates (6106).

7. A heat dissipation circuit protection device according to claim 4, characterized in that: The air intake drying unit (611) includes a mounting groove (6111) opened inside the top block, the mounting groove (6111) is located below the top groove (6096), the bottom end of the mounting groove (6111) is evenly provided with through holes (6112), the top end of the mounting groove (6111) is evenly provided with through grooves (6113), one end of the through groove (6113) penetrates to the side wall of the top groove (6096), the piston seat (6101) closes the end of the through groove (6113), a dehumidification component is installed inside the mounting groove (6111), one end of the mounting groove (6111) penetrates to the outside of the annular rotating plate (6091), when the annular rotating plate (6091) rotates 180 degrees, the mounting groove (6111) is located below the mounting plate (601).

8. A heat dissipation circuit protection device according to claim 7, characterized in that: The dehumidifying component comprises a water-absorbing sponge (6115), a pick-up and placement plate (6116) is installed on one side of the water-absorbing sponge (6115), plug pins (6117) are symmetrically installed on one side of the pick-up and placement plate (6116), and the plug pins (6117) are inserted into the interior of the water-absorbing sponge (6115) to facilitate the taking and placement of the water-absorbing sponge (6115), and a pull plate (6118) is installed on the side of the pick-up and placement plate (6116) away from the water-absorbing sponge (6115), and the bottom of the pull plate (6118) and the inner bottom wall of the installation groove (6111) are both installed with attracting magnets (6114), and the two attracting magnets (6114) are attracted.

9. The heat dissipation circuit protection device according to claim 3, characterized in that: The rotation drive unit (612) comprises a sliding frame (6122) fixedly mounted on the top of the mounting plate (601); two sliding grooves (6123) are symmetrically provided on the sliding frame (6122); a sliding plate (6124) is slidably mounted inside the sliding groove (6123); racks (6125) are mounted on the sides of the two sliding plates (6124) away from each other; the two racks (6125) are respectively meshed with the tops of the two first gears (6094); a return spring (6126) is mounted on the sides of the two sliding plates (6124) away from each other; one end of the return spring (6126) is fixedly connected to the inner wall of the end of the sliding groove (6123).

10. The heat dissipation circuit protection device according to claim 9, characterized in that: The sliding plate (6124) is provided with a magnetic block (6127), an electromagnet (6128) is provided on the inner wall of one end of the two sliding grooves (6123) close to each other, a conductive rod (6129) is provided on the sliding plate (6124), and contacts (61210) are symmetrically provided on both sides of the inner wall of the sliding groove (6123); when the electromagnet (6128) and the magnetic block (6127) are attracted, the two ends of the conductive rod (6129) are respectively in contact with the two contacts (61210), and the two contacts (61210) are electrically connected to the fan in the fan box (608); a power supply (6121) is provided on the mounting plate (601), and the power supply (6121) is used to provide energy to the fan in the fan box (608) and the electromagnet (6128).

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