A heat dissipating circuit protection device

Abstract

The application discloses a heat dissipation type circuit protection device, which comprises a base, a protection box arranged above the base, a bottom plate arranged at the bottom end of the protection box, a sealing gasket arranged between the base and the bottom plate, a circuit equipment placing cavity formed in the protection box, the sealing gasket for sealing and protecting the circuit equipment placing cavity, heat dissipation fins closely arranged on the outer surface of the protection box, the heat dissipation fins for dissipating heat in the circuit equipment placing cavity, a top heat dissipation assembly arranged at the top end of the protection box, and the top heat dissipation assembly comprising an installation plate arranged above the protection box by means of bolts and top covers symmetrically arranged at the top end of the installation plate.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of circuit protection devices, and particularly relates to a heat dissipation type circuit protection device. BACKGROUND

[0002] In modern life, various switches need to be used in new energy vehicles (such as electric vehicles), and the protective shell of the switch is usually directly covered on the outer side of the switch, and a circuit device placing cavity is arranged in the protective shell, the protective shell can protect the switch and other circuit devices in the circuit device placing cavity, in order to improve the waterproof protection effect, a sealing ring and the like on the shell body is needed to protect the inside of the circuit device placing cavity, but the following defects exist.

[0003] Due to the need for sealing protection of the shell body, when the circuit device is used, the shell body is prone to accumulate a large amount of heat, and it is not easy to dissipate heat, and when the circuit device is used for a long time in a high-temperature environment, the circuit device is prone to be affected. SUMMARY

[0004] In view of the above situation, in order to overcome the defects of the prior art, the application provides a heat dissipation type circuit protection device, which effectively solves the problem that the shell body is prone to accumulate a large amount of heat and is not easy to dissipate heat, affecting the use of the circuit device.

[0005] To achieve the above purpose, the application provides the following technical scheme: a heat dissipation type circuit protection device, comprising a base, a protective box is arranged above the base, a bottom plate is installed at the bottom end of the protective box, a sealing gasket is installed between the base and the bottom plate, a circuit device placing cavity is formed in the inside of the protective box, the sealing gasket plays a sealing protection role on the circuit device placing cavity, a heat dissipation fin plate is tightly installed on the outer surface of the protective box, the heat dissipation fin plate is used for dissipating heat in the circuit device placing cavity, and a top heat dissipation assembly is installed at the top end of the protective box.

[0006] The top heat dissipation assembly comprises a mounting plate installed above the protective box by bolts, top covers are symmetrically installed at the top end of the mounting plate, an upper rotating groove is formed in the inside of the top cover, a rotating adjusting unit is installed in the inside of the upper rotating groove, the rotating adjusting unit is used for controlling air intake and heat dissipation, a fan box is installed at the middle part of the upper rotating groove, the fan box is used for driving airflow circulation, the rotating directions of the fans in the fan boxes on the two inner sides of the upper rotating grooves are opposite, 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.

[0007] Preferably, the top end of the protection box is symmetrically provided with two lower rotating grooves corresponding to the two upper rotating grooves, the lower rotating grooves and the upper rotating grooves combine to form a complete circular groove, the top end of the circular groove is provided with a top air hole, the bottom end of the circular groove is symmetrically provided with two bottom air grooves, the top air hole is provided at the top end of the top cover, the bottom air grooves are provided on the bottom wall of the lower rotating groove and communicate with the circuit equipment placing cavity, and the fixed shaft is coaxially arranged with the circular groove.

[0008] Preferably, the rotating adjusting unit comprises a ring-shaped rotating plate rotatably arranged in the upper rotating groove, a rotating ring fixedly arranged on the inner side of the ring-shaped rotating plate, the rotating ring is rotatably arranged on the outer side of the fixed shaft, a rotating shaft fixedly arranged on the inner side of the ring-shaped rotating plate, the rotating shaft is rotatably arranged on the top cover, a sealing bearing arranged on the outer wall of the rotating shaft, a first gear arranged on one end of the rotating shaft outside the top cover, and a rotating driving unit arranged between the two first gears.

[0009] Preferably, the bottom wall of the ring-shaped rotating plate is provided with a bottom groove, the top wall of the ring-shaped rotating plate is symmetrically provided with two top blocks, the top end of each top block is provided with a top groove, the bottom groove corresponds to the position of the top air hole after the ring-shaped rotating plate rotates by one hundred and eighty degrees, the top groove corresponds to the position of the bottom air groove, the inner side of each top block is provided with a movable sealing unit, and the inner side of each top block is provided with an air inlet drying unit.

[0010] Preferably, the movable sealing unit comprises a piston seat movably arranged in the top groove, a piston strip fixedly arranged on the top end of the piston seat, a side groove provided on one side of each top groove close to each other, a first tooth plate provided on one side of each top block close to each other, a connecting block arranged between the first tooth plate and the piston seat, the connecting block is arranged in the side groove, a second gear meshingly connected to one side of the first tooth plate away from the top block, the second gear is rotatably arranged on a rotating frame, and the rotating frame is fixedly arranged on the side wall of the top block.

[0011] Preferably, one side of the second gear away from the top block is meshingly connected with a second tooth plate, a fixed box is fixedly arranged on the inner top wall of the ring-shaped rotating plate, a counterweight is movably arranged in the fixed box, the counterweight can only move in the fixed box, a connecting frame is fixedly arranged on the bottom end of the counterweight, and the connecting frame is fixedly connected with the two second tooth plates.

[0012] Preferably, the air inlet drying unit comprises a mounting groove arranged in the top block, the mounting groove is arranged below the top groove, the bottom end of the mounting groove is uniformly provided with a through hole, the top end of the mounting groove is uniformly provided with a through groove, one end of the through groove penetrates through the side wall of the top groove, the piston seat closes the end of the through groove, a dehumidifying piece is arranged in the mounting groove, and one end of the mounting groove penetrates to the outer side of the ring-shaped rotating plate.

[0013] Preferably, the dehumidifying member comprises a water-absorbing sponge, one side of the water-absorbing sponge is provided with a taking and placing plate, one side of the taking and placing plate is symmetrically provided with a pin, the pin is inserted into the inside of the water-absorbing sponge, facilitating taking and placing of the water-absorbing sponge, and one side of the taking and placing plate away from the water-absorbing sponge is provided with a pulling plate, the bottom of the pulling plate and the inner bottom wall of the mounting groove are both provided with an attracting magnet, and the two attracting magnets attract each other.

[0014] Preferably, the rotating driving unit comprises a sliding frame fixedly mounted at the top end of the mounting plate, two sliding grooves are symmetrically formed in the sliding frame, sliding plates are slidably mounted in the sliding grooves, the two sliding plates are both provided with a rack at the side away from each other, the two racks are respectively engaged with the top of the two first gears, and the two sliding plates are both provided with a return spring at the side away from each other, and one end of the return spring is fixedly connected with the end inner wall of the sliding groove.

[0015] Preferably, the sliding plates are provided with magnetic blocks, the two sliding grooves are both provided with an electromagnet at the inner wall of the side close to each other, the sliding plates are provided with a conductive rod, and the inner wall of the sliding groove is symmetrically provided with a contact at the two sides; when the electromagnet and the magnetic block attract each other, the two ends of the conductive rod are respectively in contact with the two contacts, the two contacts are electrically connected with the fan in the fan box, and the mounting plate is provided with a power supply, which is used for providing energy for the fan in the fan box and the electromagnet.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] 1) In the working process, the heat dissipation fins closely arranged on the outer wall of the protection box are used for heat dissipation of the circuit equipment placing 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 realized between the inside and outside of the circuit equipment placing cavity, thereby facilitating heat dissipation of the inside of the circuit equipment placing cavity and improving heat dissipation protection of the circuit inside the circuit equipment placing cavity;

[0018] 2) In the working process, the electromagnet is energized to generate an attractive force on the magnetic block, so that when the rack is pulled to move, the annular rotating plate is driven to rotate by the first gear, and the two ends of the conductive rod on the sliding plate are respectively in contact with the two contacts, so that the fan in the fan box is started, air outside can continuously flow through the inside of the circuit equipment placing cavity for heat dissipation, and heat dissipation protection is facilitated;

[0019] 3) In the working process, after the annular rotating plate is inverted, the counterweight moves under the action of gravity, drives the piston seat to move towards the side of the mounting groove, opens the end of the through groove, and facilitates heat dissipation; when the annular rotating plate rotates back, the piston seat moves back under the action of the counterweight, the annular rotating plate seals the air inlet after the piston strip is tightly attached to the inner wall of the circular groove, the annular rotating plate and the inner wall of the circular groove are sealed, and the sealing and waterproof protection effect is improved;

[0020] 4) In the work, the installation groove is opened in the set top block, the installation groove penetrates to the outer wall of the annular rotating plate, the water absorption sponge is installed in the installation groove, when the air flows through the inside of the water absorption sponge, the water in the air can be dried, the circuit equipment in the circuit equipment placing cavity is waterproofed, after the annular rotating plate is inverted, the installation groove rotates to the lower side of the installation plate along with the annular rotating plate, the water absorption sponge is convenient to take out and replace, and the subsequent protection use is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0021] The accompanying drawings are included to provide a further understanding of the application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the application, and together with the description serve to explain the application, and do not limit the application.

[0022] In the drawings:

[0023] Figure 1 It is a structure schematic view of a heat dissipation type circuit protection device of the application;

[0024] Figure 2 It is a structure schematic view of a top heat dissipation assembly of the application;

[0025] Figure 3 It is a structure schematic view of the inside of a top cover of the application;

[0026] Figure 4 It is a structure schematic view of a lower rotating groove of the application;

[0027] Figure 5 It is a structure schematic view of a rotating adjusting unit of the application;

[0028] Figure 6 It is a structure schematic view of a movable sealing unit of the application;

[0029] Figure 7 It is a structure schematic view of a water absorption sponge of the application;

[0030] Figure 8 It is a structure schematic view of the back of a top cover of the application;

[0031] Figure 9 It is a structure schematic view of a rotating driving unit of the application.

[0032] In the figure: 1, base; 2, protection box; 3, bottom plate; 4, sealing gasket; 5, heat dissipation fin; 6, top heat dissipation assembly; 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, rotating 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 strip; 6103, side groove; 6104, first toothed plate; 6105, second gear; 6106, second toothed plate; 6107, fixed box; 6108, counterweight; 6109, connecting frame; 611, air inlet drying unit; 6111, mounting groove; 6112, through hole; 6113, through groove; 6114, suction magnet; 6115, water-absorbing sponge; 6116, taking and placing plate; 6117, pin; 6118, pull plate; 612, rotating drive unit; 6121, power supply; 6122, sliding frame; 6123, sliding groove; 6124, sliding plate; 6125, rack; 6126, return spring; 6127, magnetic block; 6128, electromagnet; 6129, conductive rod; 61210, contact. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0034] By Figures 1-9 The present application relates to a heat dissipation type circuit protection device, which comprises a base 1, a protection box 2 arranged above the base 1, a bottom plate 3 arranged at the bottom end of the protection box 2, a sealing gasket 4 arranged between the base 1 and the bottom plate 3, a circuit device placing cavity formed in the protection box 2, the sealing gasket 4 serving to seal and protect the circuit device placing cavity, heat dissipation fins 5 closely arranged on the outer surface of the protection box 2, the heat dissipation fins 5 serving to dissipate heat inside the circuit device placing cavity, and a top heat dissipation assembly 6 arranged at the top end of the protection box 2.

[0035] The top heat dissipation assembly 6 comprises a mounting plate 601 bolted above the protection box 2, the top ends of the mounting plate 601 are symmetrically provided with top covers 602, the interiors of the top covers 602 are provided with upper rotating grooves 603, the interiors of the upper rotating grooves 603 are provided with rotating adjusting units 609 for controlling air intake heat dissipation, the middle portions of the upper rotating grooves 603 are provided with fan boxes 608 for driving air flow circulation, the rotating directions of the fans in the fan boxes 608 inside the two upper rotating grooves 603 are opposite, one end of the fan box 608 is provided with a fixed shaft 607 fixedly installed on the inner wall of the upper rotating groove 603, the top ends of the protection box 2 are 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 grooves 605 and the upper rotating grooves 603 combine to form complete circular grooves, the top ends of the circular grooves are equidistantly provided with top air holes 604, the bottom ends of the circular grooves are symmetrically provided with two bottom air grooves 606, the top air holes 604 are provided at the top ends of the top covers 602, the bottom air grooves 606 are provided on the bottom walls of the lower rotating grooves 605 and communicate with the circuit equipment placing cavities, and the fixed shaft 607 is coaxially arranged with the circular grooves.

[0036] The rotating adjusting unit 609 comprises an annular rotating plate 6091 rotatably installed in the interior of the upper rotating groove 603, the inner side of the annular rotating plate 6091 is fixedly provided with a rotating ring 6092 rotatably installed on the outer side of the fixed shaft 607, the inner side of the annular rotating plate 6091 is fixedly provided with a rotating shaft 6093 rotatably installed on the top cover 602, the outer wall of the rotating shaft 6093 is provided with a sealing bearing, one end of the rotating shaft 6093 located outside the top cover 602 is provided with a first gear 6094, two first gears 6094 are provided with a rotating driving unit 612, the bottom wall of the annular rotating plate 6091 is provided with a bottom groove 6095, the top wall of the annular rotating plate 6091 is symmetrically provided with two top blocks, the top ends of the top blocks are provided with two top grooves 6096, when the annular rotating plate 6091 rotates by one hundred and eighty degrees, the bottom groove 6095 corresponds to the position of the top air hole 604, the top groove 6096 corresponds to the position of the bottom air groove 606, the interiors of the top blocks are provided with movable sealing units 610, the interiors of the top blocks are provided with air intake drying units 611, the closely arranged heat dissipation fins 5 on the outer wall of the protection box 2 dissipate heat in the circuit equipment placing cavities, after the annular rotating plate 6091 rotates, the bottom groove 6095 corresponds to the top air hole 604, the top groove 6096 corresponds to the bottom air groove 606, so that heat exchange is carried out inside and outside the circuit equipment placing cavities, thereby facilitating heat dissipation in the circuit equipment placing cavities and improving heat dissipation protection of the circuits in the circuit equipment placing cavities.

[0037] The movable sealing unit 610 comprises a piston seat 6101 movably arranged in the top groove 6096, a piston strip 6102 fixedly arranged at the top end of the piston seat 6101, a side groove 6103 arranged at the side of each of the two top grooves 6096 close to each other, a first toothed plate 6104 arranged at the side of each of the two top blocks close to each other, a connecting block arranged between the first toothed plate 6104 and the piston seat 6101, the connecting block being arranged in the side groove 6103, a second gear 6105 meshingly connected to the side of the first toothed plate 6104 away from the top block, the second gear 6105 being rotatably arranged on a rotating frame fixedly arranged on the side wall of the top block, a second toothed plate 6106 meshingly connected to the side of the second gear 6105 away from the top block, a fixed box 6107 fixedly arranged on the inner top wall of the annular rotating plate 6091, a counterweight 6108 movably arranged in the fixed box 6107, the counterweight 6108 being movable only in the fixed box 6107, a connecting frame 6109 fixedly connected to the two second toothed plates 6106 and fixedly arranged at the bottom end of the counterweight 6108, the counterweight 6108 being moved under the action of gravity after the annular rotating plate 6091 is inverted, the piston seat 6101 being moved toward the side of the mounting groove 6111, the end of the through groove 6113 being opened, so as to facilitate heat dissipation, and the piston seat 6101 being moved back under the action of the counterweight 6108 when the annular rotating plate 6091 rotates back, the piston strip 6102 being tightly attached to the inner wall of the circular groove after the annular rotating plate 6091 closes the air inlet, the annular rotating plate 6091 being sealed with the inner wall of the circular groove, and the sealing and waterproof protection effect being improved.

[0038] The air inlet drying unit 611 comprises a mounting groove 6111 opened in the inner top block, the mounting groove 6111 is below the top groove 6096, the bottom end of the mounting groove 6111 is uniformly provided with a through hole 6112, the top end of the mounting groove 6111 is equidistantly provided with a through groove 6113, one end of the through groove 6113 penetrates the side wall of the top groove 6096, the piston seat 6101 closes the end of the through groove 6113, the inside of the mounting groove 6111 is installed with a dehumidifying piece, one end of the mounting groove 6111 penetrates the outside of the annular rotating plate 6091, when the annular rotating plate 6091 rotates one hundred and eighty degrees, the mounting groove 6111 is below the mounting plate 601, the dehumidifying piece comprises a water absorption sponge 6115, one side of the water absorption sponge 6115 is installed with a taking and placing plate 6116, one side of the taking and placing plate 6116 is symmetrically installed with a pin 6117, the pin 6117 is inserted into the inside of the water absorption sponge 6115, which facilitates the taking and placing of the water absorption sponge 6115, the side, away from the water absorption sponge 6115, of the taking and placing plate 6116 is installed with a pulling plate 6118, the bottom of the pulling plate 6118 and the inner bottom wall of the mounting groove 6111 are both installed with a suction magnet 6114, the two suction magnets 6114 are attracted, the mounting groove 6111 is opened in the inner top block, penetrates the outer wall of the annular rotating plate 6091, and is installed with the water absorption sponge 6115, when air flows through the inside of the water absorption sponge 6115, the moisture in the air can be dried, the circuit equipment in the circuit equipment placing cavity is waterproof protected, after the annular rotating plate 6091 rotates and inverts, the mounting groove 6111 rotates to below the mounting plate 601 along with the annular rotating plate 6091, which facilitates the taking out and replacement of the water absorption sponge 6115 and facilitates subsequent protection use.

[0039] The rotating driving unit 612 comprises a sliding frame 6122 fixedly installed at the top end of the mounting plate 601, two sliding grooves 6123 are symmetrically formed in the sliding frame 6122, a sliding plate 6124 is slidingly installed in the sliding groove 6123, a rack 6125 is installed at the side away from each other of the two sliding plates 6124, the two racks 6125 are engaged with the top of the two first gears 6094 respectively, a return spring 6126 is installed at the side away from each other of the two sliding plates 6124, one end of the return spring 6126 is fixedly connected with the end wall of the sliding groove 6123, a magnetic block 6127 is installed on the sliding plate 6124, an electromagnet 6128 is installed on the inner wall of the end of the two sliding grooves 6123 close to each other, a conductive rod 6129 is installed on the sliding plate 6124, and touch points 61210 are symmetrically installed on the inner walls of the two sliding grooves 6123, when the electromagnet 6128 is attracted to the magnetic block 6127, the two ends of the conductive rod 6129 are in contact with the two touch points 61210 respectively, the two touch points 61210 are electrically connected with the fan in the fan box 608, a power supply 6121 is installed on the mounting plate 601, the power supply 6121 is used for supplying energy to the fan in the fan box 608 and the electromagnet 6128, the electromagnet 6128 generates an attractive force to the magnetic block 6127 after being energized, so that the rack 6125 is pulled to move, the annular rotating plate 6091 is driven 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 in contact with the two touch points 61210 respectively, the fan in the fan box 608 is turned on, air outside the circuit equipment placing cavity is continuously brought into the circuit equipment placing cavity, heat dissipation is realized, and heat dissipation protection is facilitated.

[0040] Working principle: when working, first, the circuit equipment such as a switch is installed into the circuit equipment placing cavity in the protection box 2, the base 1 is installed at the bottom end of the bottom plate 3, and the base 1 and the bottom plate 3 are screw-bolted and fixedly connected, meanwhile, the sealing gasket 4 is arranged between the base 1 and the bottom plate 3, the sealing gasket 4 can seal and protect the inside of the circuit equipment placing cavity, meanwhile, a plurality of heat dissipation fins 5 are tightly installed on the outer wall of the protection box 2, so that the inside of the protection box 2 is heat-dissipated, and the mounting plate 601 is installed at the top end of the protection box 2, so that auxiliary heat dissipation is realized when heat dissipation is needed.

[0041] Firstly, during installation, the mounting plate 601 is bolted to the top end of the protective box 2, so that the two top covers 602 correspond to the two lower rotating grooves 605, so that the upper rotating groove 603 and the lower rotating groove 605 combine to form a circular groove, so that the lower half of the annular rotating plate 6091 enters the inside of the lower rotating groove 605, when heat dissipation is needed, the control electromagnet 6128 is powered on to generate an attractive force on the magnetic block 6127, thereby bringing the two sliding plates 6124 closer to each other, thereby bringing the two racks 6125 closer to each other, and the rack 6125 is engaged with the first gear 6094, thereby driving the rotating shaft 6093 to rotate, thereby driving the annular rotating plate 6091 to rotate one hundred and eighty 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, after rotation, the counterweight 6108 moves downward under the action of gravity, thereby driving the second tooth plate 6106 to move downward, and then driving the first tooth plate 6104 to move in the opposite direction under the action of the second gear 6105, thereby driving the piston seat 6101 to move toward one side of the mounting groove 6111, thereby opening one end of the through groove 6113;

[0042] After the electromagnet 6128 and the magnetic block 6127 are attracted, the conductive rods 6129 on the sliding plates 6124 are in contact with the two contacts 61210 at both ends, respectively, so that the fans in the fan box 608 are powered on, and the rotating directions of the fans on both sides are opposite, thereby bringing the outside air into the annular rotating plate 6091 from the top air hole 604 at the top end of the top cover 602 and the bottom groove 6095, and then into the circuit equipment placement cavity from the top groove 6096 and the bottom air groove 606, pushing the hot air inside the circuit equipment placement cavity to be discharged from the top air hole 604 at the top end of the other top cover 602, so that heat exchange is carried out inside and outside the circuit equipment placement cavity, and heat dissipation is completed, when the air passes through the inside of the mounting groove 6111, the air passes through the inside of the water absorbing sponge 6115, the water absorbing sponge 6115 dehumidifies and dries the air passing through, and protects the circuit equipment in the circuit equipment placement cavity;

[0043] After the heat dissipation ends, the electromagnet 6128 is powered off, the sliding plate 6124 is moved back under the elastic force of the reset spring 6126, the annular rotating plate 6091 is rotated through the rack 6125 and the first gear 6094, the bottom slot 6095 is misaligned with the top air hole 604, the top slot 6096 is misaligned with the bottom air slot 606, the circuit device placement cavity is isolated, the circuit device inside the circuit device placement cavity is protected, and meanwhile, the counterweight 6108 moves downwards, the piston seat 6101 is moved upwards through the second toothed plate 6106, the second gear 6105 and the first toothed plate 6104, the through slot 6113 top end is closed, the piston strip 6102 top end is in close contact with the inner top wall of the upper rotating slot 603, the sealing between the annular rotating plate 6091 and the inner wall of the circular slot is further reduced, and the protection of the circuit device inside the circuit device placement cavity is further improved;

[0044] When the water absorption effect of the water absorption sponge 6115 disappears, the water absorption sponge 6115 needs to be replaced, at this time, the mounting plate 601 is disassembled, the electromagnet 6128 is powered on to generate an attractive force on the magnetic block 6127, the sliding plate 6124 is moved to drive the annular rotating plate 6091 to rotate one hundred and eighty degrees, the mounting slot 6111 is moved to below the mounting plate 601 after the annular rotating plate 6091 rotates, the water absorption sponge 6115 is pulled outwards through the pull plate 6118, the water absorption sponge 6115 is removed, the water absorption sponge 6115 is replaced, and the use is convenient.

[0045] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that includes a list of elements does not only include those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or apparatus.

[0046] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A heat dissipating circuit protection device comprising a base (1), characterized in that: The upper side of the base (1) is provided with a protection box (2), the bottom end of the protection box (2) is provided with a bottom plate (3), the base (1) and the bottom plate (3) are provided with a sealing gasket (4), the inside of the protection box (2) is formed as a circuit equipment placing cavity, the sealing gasket (4) plays a sealing protection role on the circuit equipment placing cavity, the outer surface of the protection box (2) is closely provided with a heat dissipation fin plate (5), the heat dissipation fin plate (5) is used for heat dissipation inside the circuit equipment placing cavity, the top end of the protection box (2) is provided with a top heat dissipation assembly (6); The top heat dissipation assembly (6) comprises a mounting plate (601) which is bolted to the upper side of the protection box (2), the top end of the mounting plate (601) is symmetrically provided with a top cover (602), the inside of the top cover (602) is provided with an upper rotating groove (603), the inside of the upper rotating groove (603) is provided with a rotating adjusting unit (609), the rotating adjusting unit (609) is used for controlling air inlet heat dissipation, the middle part of the upper rotating groove (603) is provided with a fan box (608), the fan box (608) is used for driving air flow circulation, the rotating directions of the fans in the fan boxes (608) on the inner sides of the two upper rotating grooves (603) are opposite, one end of the fan box (608) is provided with a fixed shaft (607), the fixed shaft (607) is fixedly installed on the inner wall of the upper rotating groove (603); The top end 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) can be combined with the upper rotating groove (603) to form a complete circular groove, the top end of the circular groove is provided with a top air hole (604) at equal intervals, the bottom end of the circular groove is symmetrically provided with two bottom air grooves (606), the top air hole (604) is provided at the top end of the top cover (602), the bottom air groove (606) is provided on the bottom wall of the lower rotating groove (605) and is communicated with the circuit equipment placing cavity, the fixed shaft (607) is coaxially arranged with the circular groove; the rotating adjusting unit (609) comprises an annular rotating plate (6091) which is rotatably installed in the upper rotating groove (603), the inner side of the annular rotating plate (6091) is fixedly provided with a rotating ring (6092), the rotating ring (6092) is rotatably installed on the outer side of the fixed shaft (607), the inner side of the annular rotating plate (6091) is fixedly provided with a rotating shaft (6093), the rotating shaft (6093) is rotatably installed on the top cover (602), the outer wall of the rotating shaft (6093) is provided with a sealing bearing, one end of the rotating shaft (6093) which is located outside the top cover (602) is provided with a first gear (6094), two first gears (6094) are provided with a rotating driving unit (612); the bottom wall of the annular rotating plate (6091) is provided with a bottom groove (6095), the top wall of the annular rotating plate (6091) is symmetrically provided with two top blocks, the top end of the top block is provided with two top grooves (6096), when the annular rotating plate (6091) rotates by one hundred and eighty degrees, the bottom groove (6095) corresponds to the position of the top air hole (604).

2. A heat sink circuit protector according to claim 1, wherein: The top groove (6096) corresponds to the position of the bottom gas groove (606), the inside of the top block is provided with a movable sealing unit (610), and the inside of the top block is provided with an air inlet drying unit (611).

3. A heat sink circuit protector according to claim 2, wherein: The movable sealing unit (610) comprises a piston seat (6101) movably arranged in the inside of the top groove (6096), the top end of the piston seat (6101) is fixedly provided with a piston strip (6102), the side of each of the two top grooves (6096) close to each other is provided with a side groove (6103), the side of each of the two top blocks close to each other is provided with a first toothed plate (6104), a connecting block is arranged between the first toothed plate (6104) and the piston seat (6101), the connecting block is located in the side groove (6103), and the side of the first toothed plate (6104) away from the top block is movably connected with a second gear (6105), the second gear (6105) is rotatably arranged on a rotating frame, and the rotating frame is fixedly arranged on the side wall of the top block.

4. A heat sink circuit protector according to claim 3, wherein: The side of the second gear (6105) away from the top block is movably connected with a second toothed plate (6106), a fixed box (6107) is fixedly arranged on the inner top wall of the annular rotating plate (6091), a counterweight (6108) is movably arranged in the inside of the fixed box (6107), the counterweight (6108) can only move in the inside of the fixed box (6107), the bottom end of the counterweight (6108) is fixedly provided with a connecting frame (6109), and the connecting frame (6109) is fixedly connected with the two second toothed plates (6106).

5. A heat sink circuit protection device according to claim 4, wherein: The air inlet drying unit (611) comprises a mounting groove (6111) arranged in the inside of the top block, the mounting groove (6111) is located below the top groove (6096), the bottom end of the mounting groove (6111) is uniformly provided with a through hole (6112), the top end of the mounting groove (6111) is uniformly provided with a through groove (6113), 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 piece is arranged in the inside of the mounting groove (6111), one end of the mounting groove (6111) penetrates through the outside of the annular rotating plate (6091), and when the annular rotating plate (6091) rotates by one hundred and eighty degrees, the mounting groove (6111) is located below the mounting plate (601).

6. A heat sink circuit protector according to claim 5, wherein: The dehumidifying piece comprises a water-absorbing sponge (6115), one side of the water-absorbing sponge (6115) is provided with a taking and placing plate (6116), one side of the taking and placing plate (6116) is symmetrically provided with a pin (6117), the pin (6117) is inserted into the inside of the water-absorbing sponge (6115), the taking and placing of the water-absorbing sponge (6115) is facilitated, one side of the taking and placing plate (6116) away from the water-absorbing sponge (6115) is provided with a pulling plate (6118), the bottom of the pulling plate (6118) and the inner bottom wall of the mounting groove (6111) are both provided with suction magnets (6114), and the two suction magnets (6114) are attracted.

7. A heat sink circuit protection device according to claim 6, wherein: The rotating driving unit (612) comprises a sliding frame (6122) fixedly installed at the top end of the mounting plate (601), two sliding grooves (6123) are symmetrically formed on the sliding frame (6122), sliding plates (6124) are slidably installed in the sliding grooves (6123), the sides, away from each other, of the two sliding plates (6124) are both provided with a rack (6125), the two racks (6125) are respectively engaged with the top of the two first gears (6094), the sides, away from each other, of the two sliding plates (6124) are both provided with a reset spring (6126), and one end of the reset spring (6126) is fixedly connected with the end inner wall of the sliding groove (6123).

8. A heat sink circuit protection device according to claim 7, wherein: A magnetic block (6127) is installed on the sliding plate (6124), an electromagnet (6128) is installed on the inner wall of the end, close to each other, of the two sliding grooves (6123), a conductive rod (6129) is installed on the sliding plate (6124), and touch points (61210) are symmetrically installed on the inner wall sides of the sliding grooves (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 touch points (61210), the two touch points (61210) are electrically connected with the fan in the fan box (608), a power supply (6121) is installed on the mounting plate (601), and the power supply (6121) is used for providing energy for the fan in the fan box (608) and the electromagnet (6128).

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