CN113133281A - Heat dissipation structure of power monitoring communication manager and control method thereof - Google Patents

Abstract

The invention provides a heat dissipation structure of a power monitoring communication manager and a control method thereof, wherein the heat dissipation structure comprises the following steps: the device comprises a cylindrical shell, an air inlet channel positioned at the bottom of the shell, an air outlet channel positioned at the top of the shell, a driving mechanism, a fan, a temperature sensor and a controller; the temperature sensor is arranged in the shell and is respectively connected with the driving mechanism and the controller; the driving mechanism is used for synchronously driving the air inlet channel and the air outlet channel to open and close according to the temperature information acquired by the temperature sensor; the fan is disposed at an end of the air intake passage. It has good heat dissipation and dustproof performance concurrently.

Description

Heat dissipation structure of power monitoring communication manager and control method thereof

Technical Field

The invention belongs to the technical field of power equipment and communication equipment, and particularly relates to a heat dissipation structure of a power monitoring communication manager and a control method thereof.

Background

The power communication management machine can collect data of a plurality of subsystems in a power system, and data interaction in the power system is completed through centralized processing and receipt. And multiple paths of RS-232, RS-485, CAN, Ethernet interfaces and the like are generally required to be integrated for the outside.

Today's that the thing networking is developing fast for the electric power industry is also making good fire, and electric power communication management machine is a very important link in whole electric power monitored control system. And information interaction between intelligent electronic devices such as microcomputer protection, automation devices, measurement and control of the transformer substation and a main computer system of the transformer substation and a power grid automation system is completed.

The power communication management machine generates a large amount of heat during working, and the heat dissipation is needed to ensure the normal operation of the management machine. The existing power communication management machine generally adopts a passive heat dissipation mode, namely, heat dissipation holes are formed in a shell of the management machine, heat dissipation is realized through natural convection of air, the heat dissipation efficiency of the heat dissipation mode is low, when the temperature in the shell is high, in order to ensure quick heat dissipation, large-area heat dissipation holes need to be formed in the shell, heat dissipation performance is ensured, the probability of dust entering the shell is increased, adverse effects can be caused to normal work of the management machine after dust is accumulated in the management machine, and the heat dissipation performance of the management machine can be slowly lost after the dust covers a mainboard.

For the above reasons, it is desirable to design a power monitoring communication management machine with heat dissipation and dust prevention.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a heat dissipation structure design scheme of a power monitoring communication manager, which has good heat dissipation and dust prevention performances. The invention specifically adopts the following technical scheme:

the utility model provides a heat radiation structure of electric power control communication management machine which characterized in that includes: the device comprises a cylindrical shell, an air inlet channel positioned at the bottom of the shell, an air outlet channel positioned at the top of the shell, a driving mechanism, a fan, a temperature sensor and a controller; the temperature sensor is arranged in the shell and is respectively connected with the driving mechanism and the controller; the driving mechanism is used for synchronously driving the air inlet channel and the air outlet channel to open and close according to the temperature information acquired by the temperature sensor; the fan is disposed at an end of the air intake passage.

Preferably, the bottom of the shell is fixed with supporting legs and the bottom surface of the shell is provided with a through groove; a supporting disk and a cover plate which are connected through a guide rod are arranged in the shell; the guide rod is inserted into a support ring fixed on the inner wall of the shell; a plurality of air holes are formed in the side part of the first annular cover at the bottom of the supporting plate, are matched with the through groove and form an air inlet channel with the shell; a plurality of air holes are formed in the side part of the second annular cover at the bottom of the cover plate, and an air outlet channel is formed by matching the side wall of the shell; the output shaft of the driving mechanism is connected with the bottom of the supporting disc in the vertical direction and used for controlling the supporting disc to lift; the edge part of the supporting disc is provided with an air vent groove, and the fan is arranged above the air vent groove.

Preferably, the side part of the shell is provided with a containing groove communicated with the inside and the outside of the shell; a fan-shaped movable cover is arranged in the accommodating groove; the lower part of the movable cover is rotationally connected with the shell, and the top of the movable cover is of an open structure; the guide rod is fixedly provided with a connecting ring, a connecting rod is arranged between the connecting ring and the movable cover, one end of the connecting rod is hinged with the middle part of the movable cover, the other end of the connecting rod is hinged with the connecting ring, and the end, hinged with the movable cover, of the connecting rod is higher than the end, hinged with the connecting ring, of the connecting rod.

Preferably, a first filter screen is arranged on the inner wall of the first annular cover and used for covering the air inlet; a second filter screen is arranged on the outer wall of the second annular cover and used for covering the air inlet; and a third filter screen is arranged at the top of the movable cover.

Preferably, a guide plate with a plurality of parallel guide grooves is further arranged in the shell, the guide plate is arranged right above the fan, and the middle of the guide plate is rotationally connected with the shell; the fan comprises a shell, a guide plate and a fan blade, wherein a contact block is fixed on one side of the guide plate close to the outer portion of the shell, a supporting block is arranged below the contact block, a first magnet is fixed on one side of the guide plate close to the middle of the shell, a second magnet is fixed on the blade of the fan, the first magnet and the second magnet attract each other, and the weight of the contact block is larger than that of the first magnet.

Preferably, the inboard of first annular cover is provided with a pair of connecting rod, the radial setting of first annular cover is followed to the connecting rod, the one end and the output shaft of actuating mechanism of connecting rod are fixed, the other end of connecting rod is fixed with the connecting strip, be fixed with on the connecting strip and erase the piece, erase the piece and contact with first filter screen.

Preferably, a first limit switch and a second limit switch are arranged in the shell; the first limit switch and the second limit switch are both positioned on a movement path of the supporting disk, wherein the first limit switch is positioned at the lower limit position of the supporting disk, and the second limit switch is positioned at the upper limit position of the supporting disk; the first limit switch and the second limit switch are both connected with the controller.

Preferably, the supporting legs are hollow structures; and the lower part of the outer wall of the shell is also provided with a radiating fin.

Preferably, the driving mechanism comprises a motor and a motor driving module; the output shaft of the electrode is in threaded connection with the support plate.

And a control method according to the above preferable heat radiation structure, characterized in that:

the temperature sensor detects the temperature in the shell and outputs real-time temperature signals to the controller, the controller compares the detected temperature values with preset multiple groups of threshold values to judge which numerical value range the detected temperature values fall into, each group of numerical value range corresponds to one group of control parameters, and the control parameters comprise the number of turns of the motor and the rotating speed of the fan; the higher the temperature value is, the higher the corresponding number of rotation turns of the motor and the rotating speed of the fan are; when the temperature in the shell is judged to be in a certain numerical range, the main control module controls the motor and the fan through the control parameters corresponding to the numerical range.

Compared with the prior art, the invention and the preferred scheme thereof have the advantages that:

1. by adopting the movable ventilation structure, the ventilation area and the ventilation air speed can be automatically adjusted along with the temperature in the shell, and the ventilation area is increased and the ventilation air speed is increased when the temperature in the shell rises, so that the heat dissipation rate of the shell is increased, the heat in the shell is taken away more quickly, and the temperature in the shell is prevented from continuously rising; after the temperature in the shell is reduced, the ventilation area is reduced, the ventilation air speed is reduced, on the basis of ensuring the heat dissipation performance, the power consumption of the fan is reduced, the probability that dust enters the shell can be reduced, and the power monitoring communication management machine has good heat dissipation and dust prevention performance.

2. An adjustable air outlet structure is also designed on the side part of the shell, the side air outlet structure is linked with the movable ventilation structure, the higher the temperature is, the larger the air outlet quantity of the side part is, the higher the air outlet quantity of the side part is, the connectivity inside and outside the shell is improved by the side air outlet structure, and the heat dissipation inside the shell is more facilitated; the air outlet parts of the shell are increased, so that overheating of a certain air outlet part is avoided, and quick heat dissipation and cooling of the air outlet part are facilitated; the side air flow and the air flow flowing out from other parts generate impact, so that the whole direction of the air flow discharged from the shell is changed, and the hot air is prevented from flowing back into the shell.

3. The inside guide plate that sets up of casing, the guide plate is blown at the fan and is swung back and forth down, thereby make the air outflow direction behind the guide plate also can the swing back and forth, and the air current that two sets of guide plates flowed out produces the collision and offset, make the air current can evenly flow through inside the casing, thereby can blow to the position of difference in the casing, the air current blows in making each position of generating heat of mainboard, make the more even heat dissipation of mainboard, avoid appearing the too high condition of local temperature in the casing, protect the mainboard better, also make the temperature that temperature sensor detected be closer to the average temperature in the casing more, the degree of accuracy that the temperature detected improves.

4. The bottom of the shell is provided with a dust removing structure, and when the supporting disk goes up and down each time, dust accumulated at the bottom of the shell can be erased, so that smooth air inlet is ensured, and the dust is not required to be cleaned manually.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

fig. 1 is a cross-sectional view of a communication manager according to a first embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is an enlarged view of portion C of FIG. 1;

FIG. 5 is a schematic circuit diagram according to a first embodiment of the present invention;

FIG. 6 is a schematic view of the airflow direction in the first embodiment of the present invention;

fig. 7 is a sectional view of a communication manager according to a second embodiment of the present invention;

FIG. 8 is an enlarged view of section D of FIG. 7;

fig. 9 is a schematic structural view of a baffle in a second embodiment of the present invention.

In the figure: 1. a housing; 2. a through groove; 3. a support disc; 4. a first annular shield; 5. an air inlet; 6. a first filter screen; 7. a vent channel; 8. a fan; 9. a thread groove; 10. a support ring; 11. a guide bar; 12. a cover plate; 13. a second annular shroud; 14. an air outlet; 15. a second filter screen; 16. a motor; 17. a connecting frame; 18. supporting legs; 19. a containing groove; 20. a movable cover; 21. a third filter screen; 22. a flange; 23. a first stopper; 24. a second limiting block; 25. a connecting ring; 26. a connecting rod; 27. a circuit board; 28. a temperature sensor; 29. a first limit switch; 30. a second limit switch; 31. a heat dissipating fin; 32. a connecting rod; 33. a connecting strip; 34. erasing the block; 35. a baffle; 36. a shaft hole; 37. a rotating shaft; 38. a contact block; 39. a support block; 40. a first magnet; 41. a blade; 42. a second magnet; 43. and a diversion trench.

Detailed Description

In order to make the features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail as follows:

the first embodiment is as follows:

referring to fig. 1, 2 and 3, the power monitoring communication manager of the present embodiment includes: casing 1 of tube-shape, mainboard 27 and the interface (not shown in the figure) of setting on casing 1 of dress in casing 1, the top of casing 1 is the opening, be fixed with supporting legs 18 in the bottom of casing 1, logical groove 2 has been seted up in the bottom surface of casing 1, bottom in casing 1 is provided with supporting disk 3, the bottom surface of supporting disk 3 is fixed with first annular cover 4, first annular cover 4 stretches into logical inslot 2 downwards, and first annular cover 4 is coaxial with logical groove 2, the outer wall of first annular cover 4 is pressed close to with the lateral wall that leads to groove 2, be provided with a plurality of inlet ports 5 on first annular cover 4.

A motor 16 is arranged below the supporting disc 3, the motor 16 is fixedly connected with supporting legs 18 through a connecting frame 17, a thread groove 9 is formed in the middle of the supporting disc 3, an output shaft of the motor 16 extends into the thread groove 9 and is in threaded fit with the thread groove 9, namely, the side wall of the thread groove 9 is provided with internal threads, and the surface of the output shaft of the motor 16 is provided with external threads.

The edge of the support plate 3 is provided with two sets of ventilation grooves 7, and the two sets of ventilation grooves 7 are symmetrically distributed on the support plate 3. A fan 8 is arranged above the ventilation groove 7, and the fan 8 is fixedly connected with the support disc 3.

A cover plate 12 is arranged above the top of the shell 1, a second annular cover 13 is fixed on the bottom surface of the cover plate 12, the second annular cover 13 extends downwards and covers the outer portion of the shell 1, the inner wall of the second annular cover 13 is close to the outer wall of the shell 1, and a plurality of air outlet holes 14 are formed in the second annular cover 13.

A pair of vertical guide rods 11 is arranged in the shell 1, the guide rods 11 are symmetrically distributed on two sides in the shell 1, a support ring 10 is fixed on the inner wall of the shell 1, the guide rods 11 penetrate through the support ring 10 and can freely lift in the support ring 10, the lower ends of the guide rods 11 are fixedly connected with the support plate 3, and the upper ends of the guide rods 11 are fixedly connected with the cover plate 12. The supporting plate 3 can be driven to move up and down by controlling the rotation of the motor 16, so that the supporting plate, the first annular cover 4, the cover plate 12 and the first annular cover 4 can be lifted and lowered synchronously.

When the first annular cover 4 rises, the number of the air inlet holes 5 communicated with the inside of the shell 1 is increased, and the air inlet area is increased; when the first annular cover 4 descends, the air inlet holes 5 communicated with the inside of the shell 1 are reduced, and the air inlet area is reduced; similarly, when the second annular cover 13 rises, the number of the air outlet holes 14 communicated with the interior of the shell 1 is increased, and the air outlet area is increased; when the second annular cover 13 descends, the number of the air outlet holes 14 communicated with the inside of the shell 1 is reduced, and the air outlet area is reduced.

Referring to fig. 6 (the curve with arrows in the figure indicates the direction of the air flow), when the fan 8 rotates, the cold air at the bottom of the housing 1 is sucked rapidly, the cold air enters the housing 1 from the air inlet 5, and negative pressure is formed at the bottom of the housing 1, so that the cold air continuously enters the housing 1. Cold air enters the shell 1 to absorb heat and increase the air pressure in the shell 1, and under the action of air pressure difference, hot air in the shell 1 is discharged from the air outlet 14, so that the circulation of air inside and outside the shell 1 is realized, and the heat in the shell 1 is quickly taken away.

Referring to fig. 1 and 5, a temperature sensor 28 and a controller are installed in a housing 1, the controller includes a main control module, a motor 16 driving module, a GSM module and a power module, a fan 8 is connected to and controlled by the motor 16 driving module, a control signal input end of the motor 16 driving module is connected to a control signal output end of the main control module, a signal output end of the temperature sensor 28 is connected to a signal input end of the main control module, the GSM module is connected to a serial port of the main control module, and the power module is used for supplying power to the temperature sensor 28 and each module.

The working principle of the power monitoring communication management machine is as follows: the supervisor produces the heat at the in-process of work for the temperature in the casing 1 risees, and temperature sensor 28 detects the temperature in the casing 1 and to the output real-time temperature signal of host system, and host system compares the temperature value that detects with several sets of threshold values of presetting, in order to judge that the temperature value that detects falls into which numerical range, and each set of numerical range all corresponds a set of control parameter, and control parameter includes the number of turns that motor 16 rotated and fan 8's rotational speed. The higher the temperature value, the higher the corresponding number of revolutions of the motor 16 and the number of revolutions of the fan 8. When the temperature in the housing 1 is determined to be within a certain numerical range, the main control module controls the motor 16 and the fan 8 according to the control parameters corresponding to the numerical range. The more the number of revolutions of the motor 16, the higher the first and second annular shrouds 4 and 13 are lifted, the larger the air intake area and the air exhaust area. For example, thresholds T1, T2, T3 are set, T1< T2< T3. When the detected temperature in the casing 1 is T < T1, the controller controls the motor 16 to rotate for q1 turns, and controls the rotating speed of the fan 8 to be z 1; if T1< T < T2, the controller controls the motor 16 to rotate q2 turns and controls the rotating speed of the fan 8 to be z 2; if T2< T < T3, the controller controls the motor 16 to rotate q3 turns and controls the rotating speed of the fan 8 to be z 3; wherein q1< q2< q3, z1< z2< z 3.

Therefore, the ventilation area and the ventilation air speed of the shell 1 can be automatically adjusted along with the temperature in the shell 1, namely after the temperature in the shell 1 rises, the motor 16 drives the first annular cover 4 and the second annular cover 13 to rise to higher positions, so that the ventilation area of the shell 1 is increased, and meanwhile, the controller controls the fan 8 to be at a higher rotating speed, so that the ventilation air speed is increased, the heat dissipation rate of the shell 1 is increased, the heat in the shell 1 is taken away more quickly, and the temperature in the shell 1 is prevented from continuously rising; after the temperature in the shell 1 drops, the motor 16 drives the first annular cover 4 and the second annular cover 13 to drop, so that the ventilation area of the shell 1 is reduced, meanwhile, the controller controls the fan 8 to a lower rotating speed, the ventilation air speed is reduced, on the basis of ensuring the heat dissipation performance, the power consumption of the fan 8 is reduced, the probability that dust enters the shell 1 can be reduced, and the power monitoring communication management machine has good heat dissipation and dust prevention performance.

In this embodiment, the inner wall of the first annular cover 4 is provided with a first filter screen 6, and the first filter screen 6 covers the air inlet 5, so that dust can be prevented from entering the housing 1; similarly, a second filter screen 15 is arranged on the outer wall of the second annular cover 13, and the second filter screen 15 covers the air outlet 14, so that dust can be prevented from entering the casing 1.

Referring to fig. 1, in the present embodiment, a first limit switch 29 and a second limit switch 30 are further provided in the housing 1, and both the first limit switch 29 and the second limit switch 30 are located on the movement path of the support plate 3. Wherein, the first limit switch 29 is located at the lower limit position of the supporting plate 3, and the second limit switch 30 is located at the upper limit position of the supporting plate 3. Referring to fig. 5, the first limit switch 29 and the second limit switch 30 are both connected to the main control module. When the support plate 3 descends to the lower limit position, the first limit switch 29 is triggered to feed back a level signal to the main control module, and at the moment, the controller controls the motor 16 to stop rotating; when the support plate 3 rises to the upper limit position, the second limit switch 30 is triggered to feed back a level signal to the main control module, and at this time, the controller controls the motor 16 to stop rotating. After installing first limit switch 29 and second limit switch 30 additional, can carry out more accurate spacing to supporting disk 3, protect motor 16.

Referring to fig. 1 and 4, in this embodiment, a containing groove 19 is further formed at a side portion of the housing 1, the containing groove 19 enables the inside and the outside of the housing 1 to be communicated, a fan-shaped movable cover 20 is further disposed in the containing groove 19, a lower portion of the movable cover 20 is rotatably connected with the housing 1, and a top portion of the movable cover 20 is an opening structure and is provided with a third filter screen 21. A connecting ring 25 is fixed on the guide rod 11, a connecting rod 26 is arranged between the connecting ring 25 and the movable cover 20, one end of the connecting rod 26 is hinged with the middle part of the movable cover 20, the other end of the connecting rod 26 is hinged with the connecting ring 25, and the end of the connecting rod 26 hinged with the movable cover 20 is higher than the end hinged with the connecting ring 25.

A flange 22 is further provided at an upper edge of the receiving groove 19 to protrude downward, and a first stopper 23 and a second stopper 24 are provided at an inner side and an outer side of a top surface of the movable cover 20 to protrude upward, respectively, so that a user can push or pull the movable cover 20 outward to protect the connecting rod 26.

In an initial state, namely when the support plate 3 is located at the lower limit position, the movable cover 20 is just completely hidden into the containing groove 19, when the support plate 3 rises, the guide rod 11 rises synchronously, at the moment, the connecting rod 26 is linked with the guide rod 11, the connecting rod 26 drives the movable cover 20 to rotate outwards and expand, at the moment, the side part of the shell 1 is opened, the connectivity between the inside and the outside of the shell 1 is improved, and the heat dissipation in the shell 1 is more facilitated; the air in the shell 1 can flow out from the accommodating groove 19 and the movable cover 20, namely the air outlet position is increased, so that the situation that the temperature of the air around the air outlet hole 14 is higher due to concentrated air outlet of the first annular cover 4 is avoided, and the rapid heat dissipation and cooling of the air outlet position are facilitated; because the movable cover 20 is provided with the air outlet at the top, the flowing direction of the air flowing out from the side part of the shell 1 is inclined upwards, the air flowing out from the air outlet 14 is discharged along the horizontal direction, and the air flow flowing out horizontally is impacted by the air flow flowing upwards in an inclined way, so that the whole direction of the air flow discharged from the shell 1 is upward, and the heat-dissipating cover has the advantages that the discharged hot air cannot flow to the bottom of the shell 1 and is sucked into the shell 1 again, namely, the hot air can be prevented from flowing back into the shell 1 to affect the heat-dissipating effect, and thus, the good heat-dissipating effect can be ensured; in addition, the airflow flowing out from the side part can also blow the side surface of the shell 1 to take away the heat on the shell 1, thereby further improving the heat dissipation rate.

And the movable cover 20 is linked with the first annular cover 4 and the second annular cover 13, the supporting disc 3 rises to be higher, the movable cover 20 is expanded to be higher, namely, the air outlet area of the side part of the shell 1 is increased along with the increase of the air inlet area, the higher the temperature in the shell 1 is, the larger the air outlet area of the shell 1 is, the high-temperature state of the shell 1 can be quickly suppressed, and the quick cooling can be realized.

In order to improve the smoothness of air inlet at the bottom of the casing 1, the supporting legs 18 in this embodiment are hollow structures, so that the wind resistance can be reduced. The hollow structure also enables cold air to flow through the supporting legs 18, takes away heat conducted to the supporting legs 18 by the shell 1, and assists in heat dissipation.

Referring to fig. 1, a heat radiation fin 31 is further provided at a lower portion of an outer wall of the case 1, thereby further improving heat radiation performance of the case 1.

Considering that dust is easily accumulated at the air intake holes 5, the air intake performance of the housing 1 is adversely affected when the dust is accumulated more. Referring to fig. 1 and 3, in the present embodiment, a pair of connecting rods 32 is further disposed inside the first annular housing 4, the connecting rods 32 are disposed along a radial direction of the first annular housing 4, one end of each connecting rod 32 is fixedly connected to an output shaft of the motor 16, the other end of each connecting rod 32 is fixedly connected to a connecting bar 33, and a wiping block 34 is fixedly arranged on the connecting bar 33, and the wiping block 34 is in contact with the first filter screen 6. When motor 16 rotated, drive connecting rod 32 and swing, and then drive erasing block 34 and paste first filter screen 6 and slide, erase the dust that accumulates on first filter screen 6, when supporting disk 3 goes up and down each time, erasing block 34 all can be automatic erases the dust that accumulates on first filter screen 6, guarantees the smooth and easy of admitting air, need not the manual cleaning dust.

When the temperature in the shell 1 exceeds the highest preset value, the heat dissipation is indicated to be failed or the management machine is indicated to be failed, and at the moment, the main control module controls the GSM module to send an alarm short message to a manager.

Example two:

referring to fig. 7 and 8, the present embodiment is added with a baffle 35 on the basis of the first embodiment. The air deflector 35 is arranged right above the fan 8, the middle part of the air deflector 35 is rotatably connected with the shell 1 through a rotating shaft 37, a contact block 38 is fixed on one side of the air deflector 35 close to the outside of the shell 1, a supporting block 39 used for supporting the contact block 38 is arranged below the contact block 38, a first magnet 40 is fixed on one side of the air deflector 35 close to the middle part of the shell 1, a second magnet 42 is fixed on a blade 41 of the fan 8, the first magnet 40 and the second magnet 42 are mutually attracted, and the weight of the contact block 38 is larger than that of the first magnet 40. When the second magnet 42 is close to the first magnet 40, it will attract the first magnet 40 downwards, so that the right side of the air guiding plate 35 sinks and the left side of the air guiding plate 35 tilts, and when the second magnet 42 is far away from the first magnet 40, under the action of the gravity of the contact block 38, the left side of the air guiding plate 35 descends and the right side rises until the contact block 38 is held by the supporting block 39. When the blades 41 rotate at a high speed, the second magnet 42 moves rapidly closer to and away from the first magnet 40, and the alternately stronger and weaker magnetic forces cause the baffle 35 to be unbalanced and swing back and forth within a certain angular range.

Referring to fig. 9, a shaft hole 36 is formed in the middle of the guide plate 35, the rotation shaft 37 passes through the shaft hole 36, and a plurality of parallel guide grooves 43 are formed in the guide plate 35. The air current that fan 8 blew off can be changed the flow direction by guiding gutter 43 behind guide plate 35, and swing back and forth's guide plate 35 makes the air outflow direction also can swing back and forth after guide plate 35, and the air current that two sets of guide plates 35 flowed out produces collision and offset, make the air current can evenly flow through inside the casing 1, thereby can blow the position of difference in the casing 1, make each position of generating heat of mainboard 27 can both blow to the interior air current, make mainboard 27 more evenly dispel the heat, avoid the too high condition of local temperature to appear in the casing 1, protect mainboard 27 better, also make the temperature that temperature sensor 28 detected more be close to the average temperature in the casing 1, the degree of accuracy that improves the temperature detection.

The present invention is not limited to the above preferred embodiments, and any other various types of heat dissipation structures of power monitoring communication managers and control methods thereof can be obtained according to the teaching of the present invention.

Claims (10)

1. The utility model provides a heat radiation structure of electric power control communication management machine which characterized in that includes: the device comprises a cylindrical shell, an air inlet channel positioned at the bottom of the shell, an air outlet channel positioned at the top of the shell, a driving mechanism, a fan, a temperature sensor and a controller; the temperature sensor is arranged in the shell and is respectively connected with the driving mechanism and the controller; the driving mechanism is used for synchronously driving the air inlet channel and the air outlet channel to open and close according to the temperature information acquired by the temperature sensor; the fan is disposed at an end of the air intake passage.

2. The heat dissipation structure of a power monitoring communication manager according to claim 1, characterized in that: the bottom of the shell is fixedly provided with supporting legs, and the bottom surface of the shell is provided with a through groove; a supporting disk and a cover plate which are connected through a guide rod are arranged in the shell; the guide rod is inserted into a support ring fixed on the inner wall of the shell; a plurality of air holes are formed in the side part of the first annular cover at the bottom of the supporting plate, are matched with the through groove and form an air inlet channel with the shell; a plurality of air holes are formed in the side part of the second annular cover at the bottom of the cover plate, and an air outlet channel is formed by matching the side wall of the shell; the output shaft of the driving mechanism is connected with the bottom of the supporting disc in the vertical direction and used for controlling the supporting disc to lift; the edge part of the supporting disc is provided with an air vent groove, and the fan is arranged above the air vent groove.

3. The heat dissipation structure of a power monitoring communication manager according to claim 2, characterized in that: the side part of the shell is provided with a containing groove communicated with the inside and the outside of the shell; a fan-shaped movable cover is arranged in the accommodating groove; the lower part of the movable cover is rotationally connected with the shell, and the top of the movable cover is of an open structure; the guide rod is fixedly provided with a connecting ring, a connecting rod is arranged between the connecting ring and the movable cover, one end of the connecting rod is hinged with the middle part of the movable cover, the other end of the connecting rod is hinged with the connecting ring, and the end, hinged with the movable cover, of the connecting rod is higher than the end, hinged with the connecting ring, of the connecting rod.

4. The heat dissipation structure of a power monitoring communication manager according to claim 3, wherein: the inner wall of the first annular cover is provided with a first filter screen for covering the air inlet; a second filter screen is arranged on the outer wall of the second annular cover and used for covering the air inlet; and a third filter screen is arranged at the top of the movable cover.

5. The heat dissipation structure of a power monitoring communication manager according to claim 2, characterized in that: a guide plate with a plurality of parallel guide grooves is arranged in the shell, the guide plate is arranged right above the fan, and the middle part of the guide plate is rotationally connected with the shell; the fan comprises a shell, a guide plate and a fan blade, wherein a contact block is fixed on one side of the guide plate close to the outer portion of the shell, a supporting block is arranged below the contact block, a first magnet is fixed on one side of the guide plate close to the middle of the shell, a second magnet is fixed on the blade of the fan, the first magnet and the second magnet attract each other, and the weight of the contact block is larger than that of the first magnet.

6. The heat dissipation structure of a power monitoring communication manager according to claim 2, characterized in that: the inboard of first annular cover is provided with a pair of connecting rod, the radial setting of first annular cover is followed to the connecting rod, the one end and the output shaft of actuating mechanism of connecting rod are fixed, the other end of connecting rod is fixed with the connecting strip, be fixed with on the connecting strip and erase the piece, erase the piece and first filter screen contact.

7. The heat dissipation structure of a power monitoring communication manager according to claim 2, characterized in that: a first limit switch and a second limit switch are arranged in the shell; the first limit switch and the second limit switch are both positioned on a movement path of the supporting disk, wherein the first limit switch is positioned at the lower limit position of the supporting disk, and the second limit switch is positioned at the upper limit position of the supporting disk; the first limit switch and the second limit switch are both connected with the controller.

8. The heat dissipation structure of a power monitoring communication manager according to claim 2, characterized in that: the supporting legs are hollow structures; and the lower part of the outer wall of the shell is also provided with a radiating fin.

9. The heat dissipation structure of a power monitoring communication manager according to claim 1, characterized in that: the driving mechanism comprises a motor and a motor driving module; the output shaft of the electrode is in threaded connection with the support plate.

10. The control method of the heat dissipation structure of the power monitoring communication manager according to claim 9, wherein:

the temperature sensor detects the temperature in the shell and outputs real-time temperature signals to the controller, the controller compares the detected temperature values with preset multiple groups of threshold values to judge which numerical value range the detected temperature values fall into, each group of numerical value range corresponds to one group of control parameters, and the control parameters comprise the number of turns of the motor and the rotating speed of the fan; the higher the temperature value is, the higher the corresponding number of rotation turns of the motor and the rotating speed of the fan are; when the temperature in the shell is judged to be in a certain numerical range, the main control module controls the motor and the fan through the control parameters corresponding to the numerical range.

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