CN114158180A - Driver with heat dissipation function and infrared detector applying same - Google Patents
Driver with heat dissipation function and infrared detector applying same Download PDFInfo
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- CN114158180A CN114158180A CN202111168506.XA CN202111168506A CN114158180A CN 114158180 A CN114158180 A CN 114158180A CN 202111168506 A CN202111168506 A CN 202111168506A CN 114158180 A CN114158180 A CN 114158180A
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- driver
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 85
- 238000009423 ventilation Methods 0.000 claims abstract description 5
- 238000005057 refrigeration Methods 0.000 claims description 47
- 230000005611 electricity Effects 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 241000883990 Flabellum Species 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 15
- ZGHQUYZPMWMLBM-UHFFFAOYSA-N 1,2-dichloro-4-phenylbenzene Chemical compound C1=C(Cl)C(Cl)=CC=C1C1=CC=CC=C1 ZGHQUYZPMWMLBM-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/0205—Mechanical elements; Supports for optical elements
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20509—Multiple-component heat spreaders; Multi-component heat-conducting support plates; Multi-component non-closed heat-conducting structures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Abstract
The application relates to a driver with a heat dissipation function and an infrared detector applying the driver, which belong to the technical field of drivers and comprise a PCB (printed circuit board), wherein the PCB is provided with an infrared sensor, the driver also comprises a fixed plate, the fixed plate is provided with a mounting groove, the PCB is arranged in the mounting groove and is close to one side of the notch of the mounting groove, a refrigerating sheet is also arranged in the mounting groove, the refrigerating sheet is arranged between the bottom of the mounting groove and the PCB, the heat absorption side of the refrigerating sheet is close to the PCB, a gap is formed between the refrigerating sheet and the bottom of the mounting groove, an exhaust fan is arranged between the bottom of the mounting groove and the refrigerating sheet, a detection unit is arranged on the fixed plate and comprises a first temperature detection module, the first temperature detection module is electrically connected with a control module, a first motor driving the exhaust fan to rotate is arranged on the exhaust fan, and the control module is electrically connected with the first motor, a plurality of ventilation holes are formed in the bottom of the mounting groove. This application has the effect that improves the heat dispersion of PCB board.
Description
Technical Field
The present disclosure relates to a driver, and more particularly, to a driver with a heat dissipation function and an infrared detector using the driver.
Background
At present, infrared detector is one of the commonly used detector among the intelligent security alarm system, and infrared detector is inside to be provided with the driver, and the driver includes the PCB board, is provided with a large amount of electronic components on the PCB board, and the PCB board can produce a large amount of heats at long-time during operation, and a large amount of heats can cause electronic components on the PCB board to take place to damage, influences the use of driver.
Disclosure of Invention
In order to improve the heat dissipation performance of the PCB, the application provides a driver with a heat dissipation function and an infrared detector applying the driver.
In a first aspect, the present application provides a driver with a heat dissipation function, which adopts the following technical solutions:
a driver with heat dissipation function comprises a PCB board, an infrared sensor is arranged on the PCB board, the driver also comprises a fixed plate, the fixed plate is provided with an installation groove, the PCB is arranged in the installation groove and is close to one side of the notch of the installation groove, the installation groove is also internally provided with a refrigeration piece which is arranged between the bottom of the installation groove and the PCB, and the side of the refrigeration sheet absorbing heat is close to the PCB, a gap is arranged between the refrigeration sheet and the bottom of the mounting groove, an exhaust fan is arranged between the bottom of the mounting groove and the refrigeration sheet, a detection unit is arranged on the fixed plate, the detection unit comprises a first temperature detection module which is electrically connected with a control module, be provided with drive exhaust fan pivoted first motor on the exhaust fan, control module is connected with first motor electricity, a plurality of ventilation holes have been seted up to the tank bottom of mounting groove.
Through adopting above-mentioned technical scheme, absorb the heat on the PCB board on the refrigeration piece through the refrigeration piece, first temperature detection module sends temperature data and gives control module, and when control module received temperature data was greater than first threshold value temperature, the first motor of control module control started to make exhaust fan work dispel the heat to the refrigeration piece, carry out inside and outside air exchange through the ventilation hole, and then make the refrigeration piece better dispel the heat to the PCB board.
The mounting groove has been seted up on a pair of relative inner wall, the joint inslot is provided with the joint subassembly of fixed refrigeration piece, the joint subassembly is including setting up the first spring in the joint inslot, the tank bottom in joint groove is fixed to the one end of first spring, the other end fixedly connected with joint piece in joint groove, when first spring is in the natural extension state, partial joint piece protrusion in joint groove.
By adopting the technical scheme, when the refrigerating piece is installed, the refrigerating piece is pushed towards the bottom of the installation groove, and when the side wall of the refrigerating piece is contacted with the clamping block, the clamping block moves towards the inside of the clamping groove; when the refrigeration piece is located between the tank bottom of mounting groove and the joint piece, deformation is resumeed to first spring, and the realization is spacing to the refrigeration piece in part joint ball protrusion department joint groove, is convenient for realize the installation and the dismantlement to the refrigeration board through setting up joint ball and joint piece.
The inner walls of the two opposite mounting grooves are provided with sliding grooves, the sliding grooves are close to the notches of the mounting grooves, and compressing assemblies for compressing the PCB are arranged in the sliding grooves.
Through adopting above-mentioned technical scheme, compress tightly the subassembly through setting up, realize the installation to PCB to the change of the PCB board of being convenient for.
The width of the tank bottom of spout is greater than the width of the notch of spout, compress tightly the subassembly including setting up the second spring in the spout, the one end fixed connection of second spring is on the lateral wall of spout, the other end fixedly connected with sliding block of second spring, sliding block and sliding tray looks adaptation, one side fixedly connected with that the second spring was kept away from to the sliding block supports tight piece, when the second spring is in the natural extension state, support tight piece protrusion in the inner wall of mounting groove.
Through adopting above-mentioned technical scheme, when installing the PCB board, at first, promote the piece of supporting towards the lateral wall of spout, when supporting the piece and being located the spout completely, promote the PCB board towards the tank bottom of mounting groove, realize the installation of PCB board, be convenient for realize installing fast in the dismantlement to the PCB board through setting up second spring, sliding block and supporting tight piece.
In a second aspect, the present application provides an infrared detector, which adopts the following technical scheme:
an infrared detector comprises a detection box and a driver with a heat dissipation function, wherein the driver with the heat dissipation function is arranged on any one side of the detection box;
the driver is installed in the detection box, the PCB is positioned at one side close to the bottom plate, the bottom plate comprises a pair of baffle plates, the baffle plates comprise fixing parts which are fixed at the edges of the side plates and horizontally arranged, the fixing parts are connected with sliding parts in a sliding manner, the sliding parts are provided with connecting plates, and a conveying assembly for driving the sliding parts to move along the connecting line direction of the side plates and the connecting plates is arranged between the connecting plates and the side plates;
all install the servo motor who is connected with the transfer module on the curb plate, the last fixedly connected with reel of servo motor, a plurality of flabellums of fixedly connected with on servo motor's the lateral wall are kept away from to the reel, detecting element still includes second temperature detection module, second temperature detection module is connected with the control module electricity, control module is connected with the servo motor electricity.
Through adopting above-mentioned technical scheme, when control module received the temperature that second temperature detection module sent and is higher than second threshold temperature, control module control servo motor rotates, servo motor makes transfer assembly drive two sliding parts and removes towards the direction of keeping away from mutually, there is the opening between two sliding parts this moment, the inside and outside air of detection box exchanges through the opening between two sliding parts, the realization is to the inside cooling of detection box, in servo motor pivoted, the flabellum of fixing on the reel also rotates thereupon, can produce certain wind when the flabellum rotates, wind further cools down detection box at the inside flow of detection box.
Optionally, the conveying assembly comprises a fixed pulley installed on the side plate, the conveying assembly further comprises a traction wire abutted to the fixed pulley and close to one side of the side plate, one end of the traction wire is fixed to the reel, the other end of the traction wire is fixed to the connecting plate, third springs are arranged at two ends, located on the traction wire, of the connecting plate, one end of each third spring is fixed to the connecting plate, and the other end of each third spring is fixed to the side plate.
Through adopting above-mentioned technical scheme, when the temperature data that control module received was higher than the second threshold temperature, servo motor began corotation, and the pull wire winding is on the spool, and the pull wire changes the direction of motion under the effect of fixed pulley, and the pull wire pulling sliding part moves towards one side of adjacent fixed part, has the opening between two sliding parts this moment, and the opening between two sliding parts of inside and outside air accessible of detection box exchanges to dispel the heat to the detection box, and then improve the heat dispersion of detection box.
Optionally, the detection box further comprises a top plate arranged on the side plate, the top plate is located on one side opposite to the bottom plate, a lifting box is arranged on the top plate, and a lifting assembly for driving the detection box to move along the direction of the connecting line of the detection box and the lifting box is arranged inside the lifting box.
Through adopting above-mentioned technical scheme, adjust the interval between lift box and the detection box through lifting unit, can change the detection range who detects the box.
Optionally, the lifting assembly comprises a lifting pipe which is fixed in the lifting box and vertically arranged, a gear is arranged on the inner wall of one side, close to the top plate, of the lifting pipe, a rack which is meshed with the gear is further arranged in the lifting pipe, one end, far away from the lifting box, of the rack is fixedly connected with the top plate, a second motor is installed on the lifting pipe, the second motor is fixedly connected with the gear, the second motor is electrically connected with the control module, the control module is further electrically connected with the wireless transceiver module, and the wireless transceiver module is connected with the mobile device.
Through adopting above-mentioned technical scheme, through the start-up and closing of mobile device control second motor, the mobile device sends the signal of telecommunication for control module through wireless transceiver module, and control module control second motor starts, drives the gear rotation when the second motor starts to make the rack with gear engagement move along the length direction of fall way, realize the lift box and detect the distance between the box and adjust, thereby change the detection range who detects the box.
Optionally, one side of the rack far away from the gear is fixedly connected with a guide post, the guide post is arranged along the length direction of the rack, and a guide groove for the guide post to slide is formed in the lifting pipe.
Through adopting above-mentioned technical scheme, when the rack removed along fall way length direction, the guide post slided in the guide way to the stability of reinforcing rack when the fall way removed.
Optionally, a reinforcing component for stably supporting the detection box is arranged between the detection box and the lifting box, the reinforcing component comprises a vertically arranged sleeve fixedly connected in the lifting box, an inserting rod moving along the length direction of the sleeve is arranged inside the sleeve, and one end, far away from the sleeve, of the inserting rod is fixedly connected with the top plate.
Through adopting above-mentioned technical scheme, when the rack drove the detection box and removes along fall way length direction, the peg graft pole removed in the sleeve pipe, and peg graft pole and sleeve pipe can share the rack at this moment and support some pressure that detects the box to the stability of detection box when removing is strengthened.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the heat on the PCB is absorbed on the refrigerating plate through the refrigerating sheet, the first temperature detection module sends temperature data to the control module, and when the temperature data received by the control module is greater than a first threshold temperature, the control module controls the first motor to be started, so that the exhaust fan works to radiate the heat of the refrigerating sheet, the inside and outside air is exchanged through the vent hole, and the refrigerating sheet can better radiate the heat of the PCB;
2. when the temperature received by the control module is higher than the threshold temperature and higher than the threshold time, the control module controls the first motor to start, so that the first motor drives the fan to rotate, and the detection box is further cooled;
3. realize the distance between lift box and the detection box through setting up lifting unit and adjust to change the detection range who detects the box.
Drawings
Fig. 1 is a schematic view showing the structure of a fixing plate and a fan in this embodiment.
Fig. 2 is a schematic structural diagram of the present embodiment showing the refrigeration board and the PCB board.
Fig. 3 is a partially enlarged view of a portion a of fig. 2.
Fig. 4 is a block diagram showing the structure of the detection unit in the present embodiment.
Fig. 5 is a schematic structural view showing the slide groove and the slide block in the present embodiment.
FIG. 6 is a schematic view showing the construction of the cartridge and the elevating and lowering case in this embodiment.
Fig. 7 is a schematic structural diagram of the transfer assembly in this embodiment.
Fig. 8 is a schematic structural view showing the lifting assembly and the reinforcing assembly in the present embodiment.
Description of reference numerals: 1. a fixing plate; 11. mounting grooves; 12. a PCB board; 121. an infrared sensor; 13. a refrigeration plate; 14. an exhaust fan; 141. a first motor; 15. a clamping groove; 16. a fixing strip; 17. a chute; 18. a vent hole; 2. a detection unit; 21. a first temperature detection module; 22 a control module; 23. a second temperature detection module; 24. a wireless transceiver module; 25. a mobile device; 3. a clamping assembly; 31. a first spring; 32. a clamping block; 4. a compression assembly; 41. a second spring; 42. a slider; 43. a propping block; 5. a detection cartridge; 51. a side plate; 511. a servo motor; 512. a reel; 5121. a fan blade; 513. heat dissipation holes; 52. a base plate; 521. a baffle plate; 5211. a fixed part; 5212. a sliding part; 52121. a sliding groove; 53. a connecting rod; 54. a connecting plate; 541. a connecting ring; 55. a top plate; 6. a lifting box; 61. mounting a plate; 611. mounting holes; 7. a transfer assembly; 71. a pull wire; 72. a fixed pulley; 73. a third spring; 8. a lifting assembly; 81. a lifting pipe; 811. a guide groove; 82. a gear; 83. a rack; 831. a guide post; 84. a second motor; 9. a reinforcement assembly; 91. a sleeve; 92. a plug rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses a driver with a heat dissipation function. Referring to fig. 1 and 2, the driver having a heat dissipation function includes a square-shaped fixing plate 1, and a square-shaped mounting groove 11 is formed in the fixing plate 1.
Referring to fig. 2 and 3, a PCB board 12 is mounted in the mounting groove 11, and the PCB board 12 is located at a notch side adjacent to the mounting groove 11. One side that PCB board 12 is close to the notch of mounting groove 11 is provided with infrared sensor 121, still install refrigeration piece 13 in mounting groove 11, refrigeration piece 13 is located between the tank bottom of mounting groove 11 and PCB board 12, there is the clearance between the tank bottom of refrigeration piece 13 and mounting groove 11, and the endothermic one side of refrigeration piece 13 is close to PCB board 12, a plurality of equal interval distribution's ventilation hole 18 has been seted up at the tank bottom of mounting groove 11 for the heat dissipation of refrigeration piece 13.
Referring to fig. 2 and 4, an exhaust fan 14 is installed between the bottom of the installation groove 11 and the cooling plate 13, and a first motor 141 for driving the exhaust fan 14 to rotate is provided on the exhaust fan 14. Be provided with detecting element 2 on fixed plate 1, detecting element 2 is including the first temperature detection module 21 that is used for detecting the refrigeration piece 13 temperature, and first temperature detection module 21 electricity is connected with control module 22, and control module 22 is connected with first motor 141 electricity.
Referring to fig. 2 and 3, a pair of opposite inner walls of the mounting groove 11 are respectively provided with a clamping groove 15, the clamping groove 15 is located in the middle of the inner wall of the mounting groove 11, and a clamping component 3 for limiting the refrigeration plate 13 is arranged in the clamping groove 15. The clamping assembly 3 comprises a first spring 31 arranged in the clamping groove 15, one end of the first spring 31 is fixed at the bottom of the clamping groove 15, another clamping block 32 fixedly connected with the first spring 31 is hemispherical, and when the first spring 31 is in a natural extension state, part of the clamping block 32 protrudes out of the clamping groove 15. Fixedly connected with fixed strip 16 between the tank bottom of joint piece 32 and mounting groove 11, and the interval between fixed strip 16 and the joint piece 32 equals the thickness of refrigeration piece 13.
When the refrigerating sheet 13 is installed, the refrigerating sheet 13 is firstly placed at the notch of the installation groove 11, and then the refrigerating sheet 13 is pushed towards the direction of the bottom of the installation groove 11 until the refrigerating sheet 13 is abutted against the fixing strip 16; when the refrigeration plate 13 moves towards the bottom direction of the mounting groove 11, the side wall of the refrigeration plate 13 contacts with the clamping block 32, and the clamping block 32 moves towards the bottom of the clamping groove 15; when the refrigeration plate 13 abuts against the fixing strip 16, the first spring 31 recovers deformation and is in a natural extension state, and at the moment, the clamping block 32 protrudes out of the clamping groove 15 and abuts against the refrigeration plate 13 on the fixing strip 16.
Referring to fig. 2 and 3, the sliding grooves 17 are formed in two opposite side walls of the mounting groove 11, the sliding grooves 17 and the clamping grooves 15 are located on the same side wall, the connecting direction of the sliding grooves 17 and the clamping grooves 15 is along the groove depth direction of the mounting groove 11, and the sliding grooves 17 are located at the groove opening of the mounting groove 11. Be provided with in the spout 17 and carry out the subassembly 4 that compresses tightly that fixes to PCB board 12, compress tightly subassembly 4 including setting up the second spring 41 in spout 17, the one end of second spring 41 is fixed on the inner wall of spout 17, the sliding block 42 of the vertical setting of the other end fixedly connected with of second spring 41, the one end fixedly connected with who keeps away from second spring 41 at sliding block 42 supports tight piece 43, when second spring 41 is in the natural extension state, support the inner wall of tight piece 43 protrusion in mounting groove 11, and support the distance between tight piece 43 and the joint piece 32 and equal to the thickness of PCB board 12.
Referring to fig. 5, the width of the groove bottom of the sliding groove 17 is larger than the width of the groove opening of the sliding groove 17, the cross section of the sliding block 42 is T-shaped, and the sliding block 42 is matched with the sliding groove 17.
When installing PCB board 12, stir at first and support tight piece 43 and remove towards the lateral wall direction of spout 17, second spring 41 is compressed this moment, and when compact piece 43 was located spout 17 completely, the tank bottom direction of orientation mounting groove 11 promoted PCB board 12, and when PCB board 12 butt was to joint piece 32, second spring 41 was in the natural extension state, and compact piece 43 protrusion mounting groove 11 inner wall and fixed PCB board 12 in mounting groove 11.
The implementation principle of the driver with the heat dissipation function in the embodiment of the application is as follows:
when the refrigeration plate 13 needs to be installed, the abutting block 43 is firstly pushed to the inner wall of the sliding groove 17, and when the abutting block 43 is completely positioned in the sliding groove 17, the refrigeration plate 13 is pushed towards the direction of the bottom of the installation groove 11; when the refrigeration plate 13 abuts against the fixing strip 16, the clamping block 32 protrudes out of the clamping groove 15 to tightly abut the refrigeration sheet 13 on the fixing strip 16.
When the refrigeration piece 13 needs to be dismantled, at first press joint piece 32 towards the inside of joint groove 15, when joint piece 32 is located joint groove 15 completely, refrigeration board 13 landing downwards, and the inner wall towards spout 17 promotes to support tight piece 43 this moment, makes refrigeration board 13 break away from fixed plate 1 completely.
When the PCB 12 needs to be installed, the abutting block 43 is pushed to the inner wall of the sliding groove 17, and when the abutting block 43 is completely positioned in the sliding groove 17, the PCB 12 is pushed towards the direction of the bottom of the installation groove 11; when the PCB 12 abuts on the clamping block 32, the abutting block 32 protrudes out of the sliding groove 17, and the PCB 12 is installed in the installation groove 11.
When the PCB 12 needs to be mounted and disassembled, the abutting block 43 is pushed towards the side wall of the sliding groove 17, and when the abutting block 43 is completely positioned in the sliding groove 17, the PCB 12 slides downwards and finally breaks away from the fixing plate 1.
The first temperature detection module 21 detects the temperature of the refrigeration plate 13 and sends the temperature data to the control module 22, and when the control module 22 receives that the temperature data is higher than the first threshold temperature, the control module 22 controls the first motor 141 to be started, so that the exhaust fan 14 dissipates heat from the refrigeration plate 12.
The embodiment of the application also discloses an infrared detector, and the driver is applied to the infrared detector. Referring to fig. 6 and 7, the infrared detector includes the detection box 5 that is the cuboid form, is provided with the lift box 6 that is the cuboid form on the detection box 5, and one side fixedly connected with that the detection box 5 was kept away from to lift box 6 is the mounting panel 61 that is the cuboid form, has all seted up mounting hole 611 in four edges and corners of mounting panel 61, and accessible fastening bolt and mounting hole 611 install infrared detector on wall or roof.
The detection box 5 comprises four side plates 51 which are fixed on the lifting box 6 and are vertically arranged, one side of each two adjacent side plates 51 is fixedly connected, a bottom plate 52 is arranged on one side of each side plate 51 far away from the lifting box 6, the driver is installed inside the detection box 5, connecting rods 53 are fixedly connected to two sides of the fixing plate 1, the fixing plate 1 is fixed on the side plates 51 through the connecting rods 53, a certain distance exists between the fixing plate 1 and the bottom plate 52, and the PCB 12 is close to the bottom plate 52.
Referring to fig. 6 and 7, the bottom plate 52 includes a pair of oppositely disposed baffles 521, and the two baffles 521 are in the same plane. Baffle 521 is including fixing the fixed part 5211 on curb plate 51 and the horizontal setting, and fixed part 5211 is located the border department that curb plate 51 keeps away from lift box 6 one side, and it has sliding part 5212 to slide on fixed part 5211 to peg graft, and sliding part 5212 is close to one side of fixed part 5211 and is seted up the gliding sliding tray 52121 of confession fixed part 5211, and the vertical connecting plate 54 that sets up is connected with to sliding part 5212, and connecting plate 54 sets up along the length direction of sliding part 5212.
A transmission assembly 7 is arranged between the connecting plate 54 and the side plate 51, the transmission assembly 7 drives the sliding part 5212 to move along the connecting line direction of the connecting plate 54 and the side plate 51, a servo motor 511 connected with the transmission assembly 7 is installed on the side plate 51, a reel 512 is fixedly connected to an output shaft of the servo motor 511, and the output shaft of the servo motor 511 can rotate forwards and reversely. A plurality of blades 5121 are fixedly connected to one side of the reel 512 far away from the servo motor 511, and the blades 5121 are distributed at equal intervals along the circumferential direction of the servo motor 511.
The connecting ring 541 is fixedly connected to one side, close to the fixing portion 5211, of the connecting plate 54, the connecting ring 541 is located in the middle of the connecting plate 54, the transmission assembly 7 comprises a pulling wire 71 arranged between the reel 512 and the connecting ring 541, one end of the pulling wire 71 is fixed to the reel 512, the other end of the pulling wire 71 is fixed to the connecting ring 541, a fixed pulley 72 is mounted on the side plate 51, the pulley 72 and the connecting ring 541 are located on the same plane, the pulling wire 71 abuts against one side, close to the side plate 51, of the fixed pulley 72, third springs 73 are arranged on two sides, located on the pulling wire 71, of the connecting plate 54, one end of each third spring 73 is fixed to the connecting plate 54, and the other end of each third spring 73 is fixedly connected to the side plate 51, close to the fixing portion 5211.
Referring to fig. 4 and 7, the detection unit 2 further includes a second temperature detection module 23 for detecting the temperature inside the detection box 5, the first temperature detection module 51 and the second temperature detection module 23 may employ a temperature sensor of a model MAX6509HAUK | T, the second temperature detection module 23 is electrically connected with the control module 22, the control module 22 may employ a 51-chip microcomputer, and the control module 22 is electrically connected with the servo motor 511.
A second threshold temperature is set in the control module 22 in advance, for example, the second threshold temperature is 30 degrees, the second temperature detection module 23 sends the detected temperature to the control module 22, the control module 22 receives the temperature and compares the temperature with the second threshold temperature, and when the temperature in the detection box 5 is higher than the second threshold temperature, the control module 22 controls the servo motor 511 to start.
When the servo motor 511 is started, the reel 512 starts to rotate along with the rotation of the servo motor 511, so that the traction wire 71 is wound on the reel 512, the traction wire 71 changes the motion direction under the action of the fixed pulley 72 at the moment, the two sliding parts 5212 are pulled to move towards the direction of separation, and the third spring 73 is compressed at the moment; when the fixing portion 5211 abuts against the bottom of the sliding groove 52121, the servo motor 511 stops working, a certain distance exists between the two sliding portions 5212, and air inside and outside the detection box 5 is exchanged through an opening between the two sliding portions 5212, so that heat dissipation inside the detection box 5 is realized; the servo motor 511 drives the pull wire 71 to move, and simultaneously the fan 5121 fixed on the reel 512 rotates, so that wind is generated when the fan 5121 rotates, and the wind flows in the detection box 5, thereby further dissipating heat of the detection box 5.
When the temperature received by the control module 22 drops to the second threshold temperature, the control module 22 controls the servo motor 511 to rotate reversely, the servo motor 511 drives the reel 512 to rotate, so that part of the traction wire 71 is separated from the reel 512, the traction wire 71 starts to loosen, the third spring 73 is deformed and restored and drives the two sliding portions 5212 to move towards each other, and when the two sliding portions 5212 abut against each other, the servo motor 511 stops working.
A plurality of heat dissipation holes 513 are formed in the side plate 51, so that hot air in the detection box 5 is discharged through the heat dissipation holes 513, and the heat dissipation effect of the detection box 5 is enhanced.
Referring to fig. 6 and 8, a lifting assembly 8 is arranged inside the lifting box 6, the lifting assembly 8 drives the detection box 5 to move along the direction of the connection line between the detection box 5 and the lifting box 6, the lifting assembly 8 includes a lifting pipe 81 which is fixed at the top of the lifting box 6 and is vertically arranged, the cross section of the lifting pipe 81 is rectangular, a gear 82 is arranged on the inner wall of the lifting pipe 81 close to one side of the top plate 55, a rack 83 which is meshed with the gear 82 is also arranged inside the lifting pipe 81, and the rack 83 moves along the length direction of the lifting pipe 81. One end of the rack 83, which is far away from the mounting plate 61, is fixedly connected with the top plate 55, a second motor 84 is fixedly connected on the inner wall of the lifting box 6, and an output shaft of the second motor 84 is fixedly connected with the gear 82.
Referring to fig. 4 and 8, the second motor 84 is electrically connected to the control module 22, the control module 22 is further electrically connected to the wireless transceiver module 24, the wireless transceiver module 24 may employ a wireless transceiver sensor with a model number of SYN470R, the wireless transceiver module 24 is connected to the mobile device 25, and in this embodiment, the mobile device 25 may be a mobile phone.
The user can activate the second motor 84 by moving the device 25, thereby changing the detection range of the cartridge 5. The mobile device 25 sends an electrical signal to the control module 22 via the transceiver module 24, and the control module 22 receives the electrical signal and controls the second motor 84 to start. When the second motor 84 is started, the gear 82 is driven to rotate, and at this time, the rack 83 meshed with the gear 82 moves along the length direction of the lifting pipe 81, so that the distance between the lifting box 6 and the detection box is adjusted.
A guide post 831 is fixedly connected to one side of the rack 83 far away from the gear 82, the guide post 831 is arranged along the length direction of the rack 83, and a guide groove 811 for the guide post 831 to slide is formed in the inner wall of the elevator tube 81. When the rack 83 moves in the longitudinal direction of the elevator tube 81, the guide column 831 moves in the guide groove 811, thereby enhancing the stability of the rack 83 when moving.
The reinforcing components 9 are arranged on the two sides of the lifting pipe 81 on the top plate 55, the reinforcing components 9 comprise a sleeve pipe 91 fixed at the top of the lifting box 6 and vertically arranged, an inserting rod 92 moving along the length direction of the sleeve pipe 91 is arranged in the sleeve pipe 91, and one end, far away from the sleeve pipe 91, of the inserting rod 92 is fixedly connected with the top plate 55. When the rack 83 moves along the length direction of the lifting tube 81, the insertion rod 92 slides in the sleeve 91, and at this time, the insertion rod 92 and the sleeve 91 can share a part of pressure of the rack 83 supporting the detection box 5, so that the stability between the detection box 5 and the lifting box 6 is enhanced.
The implementation principle of the infrared detector in the embodiment of the application is as follows:
when the temperature data received by the control module 22 is higher than the second threshold temperature, the control module 22 controls the servo motor 511 to start to rotate forward, so that the output shaft of the servo motor 511 starts to rotate forward, the pull wire 71 is wound on the reel 512, and at the moment, the pull wire 71 drives the two sliding portions 5212 to move in the direction away from each other, so that the heat of the detection box 5 is dissipated.
When the temperature in the detection box 5 is reduced to the second threshold temperature, the control module 22 controls the servo motor 511 to start up, so that the output shaft of the servo motor 511 starts to rotate reversely, the pulling wire 71 is loosened, and at this time, the third spring 73 is deformed and restored to an original state to drive the two sliding portions 5212 to move toward opposite directions.
When the detection range of the detection box 5 needs to be adjusted, the mobile device 25 performs wireless communication with the control module 22 through the wireless transceiver module 24, at this time, the control module 22 controls the second motor 84 to start, and the second motor 84 drives the gear 82 to rotate when starting, so that the rack 83 meshed with the second motor moves along the length direction of the lifting pipe 81, and the position adjustment of the detection box 5 is realized.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A driver with heat dissipation function, includes PCB board (12), be provided with infrared sensor (121) on PCB board (12), its characterized in that: the driver still includes fixed plate (1), mounting groove (11) have been seted up on fixed plate (1), PCB board (12) are installed in mounting groove (11) and are close to one side of the notch of mounting groove (11), still install refrigeration piece (13) in mounting groove (11), install between the tank bottom of mounting groove (11) and PCB board (12) refrigeration piece (13), and refrigeration piece (13) endothermic one side is close to PCB board (12), there is the clearance at the tank bottom of refrigeration piece (13) and mounting groove (11), install exhaust fan (14) between the tank bottom of mounting groove (11) and refrigeration piece (13), be provided with detecting element (2) on fixed plate (1), detecting element (2) include first temperature detection module (21), first temperature detection module electricity is connected with control module (22), be provided with first motor (141) of drive exhaust fan (14) pivoted on fan (14), the control module (22) is electrically connected with the first motor (141), and a plurality of ventilation holes (18) are formed in the bottom of the mounting groove (11).
2. A driver having a heat dissipating function according to claim 1, characterized in that: the utility model discloses a refrigeration device, including mounting groove (11), joint groove (15) have been seted up on a pair of relative inner wall in mounting groove (11), be provided with joint subassembly (3) of fixed refrigeration piece (13) in joint groove (15), joint subassembly (3) are including setting up first spring (31) in joint groove (15), the tank bottom in joint groove (15) is fixed to the one end of first spring (31), the other end fixedly connected with joint piece (32) of joint groove (15), when first spring (31) is in the natural extension state, partial joint piece (32) protrusion in joint groove (15).
3. A driver having a heat dissipating function according to claim 1, characterized in that: spout (17) have all been seted up to two relative inner walls in mounting groove (11), and spout (17) are close to the position of mounting groove (11) notch, be provided with in spout (17) and carry out compressing tightly subassembly (4) that compress tightly PCB board (12).
4. A driver having a heat dissipating function according to claim 3, characterized in that: the width of the tank bottom of spout (17) is greater than the width of the notch of spout (17), compress tightly subassembly (4) including setting up second spring (41) in spout (17), the one end fixed connection of second spring (41) is on the lateral wall of spout (17), the other end fixedly connected with sliding block (42) of second spring (41), sliding block (42) and sliding tray (52121) looks adaptation, one side fixedly connected with that second spring (41) were kept away from in sliding block (42) supports tight piece (43), when second spring (41) are in the natural extension state, support tight piece (43) protrusion in the inner wall of mounting groove (11).
5. An infrared detector, characterized in that: comprises a detection box (5) and the driver with the heat dissipation function as claimed in any one of claims 1 to 4, wherein the detection box (5) comprises two side plates (51) which are vertically arranged, and a bottom plate (52) is arranged between the two side plates (51);
the driver is installed in the detection box (5), the PCB (12) is located on one side close to the bottom plate (52), the bottom plate (52) comprises a pair of baffle plates (521), each baffle plate (521) comprises a fixing part (5211) which is fixed at the edge of the side plate (51) and horizontally arranged, a sliding part (5212) is connected onto each fixing part (5211) in a sliding mode, a connecting plate (54) is arranged on each sliding part (5212), and a transmission assembly (7) which drives each sliding part (5212) to move along the connecting line direction of the side plate (51) and the connecting plate (54) is arranged between each connecting plate (54) and the side plate (51);
all install servo motor (511) of being connected with transfer module (7) on curb plate (51), fixedly connected with reel (512) on servo motor (511), a plurality of flabellum of fixedly connected with (5121) on servo motor (511)'s the lateral wall is kept away from in reel (512), detecting element (2) still include second temperature detection module (23), second temperature detection module (23) are connected with control module (22) electricity, control module (22) are connected with servo motor (511) electricity.
6. An infrared detector according to claim 5, characterized in that: the conveying assembly (7) comprises a fixed pulley (72) installed on a side plate (51), the conveying assembly (7) further comprises a traction wire (71) abutted to the fixed pulley (72) and close to one side of the side plate (51), one end of the traction wire (71) is fixed to a reel (512), the other end of the traction wire (71) is fixed to a connecting plate (54), third springs (73) are arranged at two ends, located at the traction wire (71), of the connecting plate (54), one end of each third spring (73) is fixed to the connecting plate (54), and the other end of each third spring (73) is fixed to the side plate (51).
7. An infrared detector according to claim 5, characterized in that: the detection box (5) further comprises a top plate (55) arranged on the side plate (51), the top plate (55) is located on one side opposite to the bottom plate (52), a lifting box (6) is arranged on the top plate (55), and a lifting assembly (8) which drives the detection box (5) to move along the line direction of the detection box (5) and the lifting box (6) is arranged inside the lifting box (6).
8. An infrared detector according to claim 7, characterized in that: lifting unit (8) is including fixing fall way (81) in lifting box (6) and vertical setting, fall way (81) are close to and are provided with gear (82) on the inner wall of roof (55) one side, still be provided with in fall way (81) with gear (82) engaged with rack (83), the one end and roof (55) fixed connection of lifting box (6) are kept away from to rack (83), install second motor (84) on fall way (81), second motor (84) and gear (82) fixed connection, second motor (84) are connected with control module (22) electricity, control module (22) still electricity is connected with wireless transceiver module (24), wireless transceiver module (24) are connected with mobile device (25).
9. An infrared detector according to claim 8, characterized in that: one side fixedly connected with guide post (831) that gear (82) were kept away from in rack (83), guide post (831) set up along the length direction of rack (83), seted up in fall way (81) and supplied guide post (831) gliding guide way (811).
10. An infrared detector according to claim 5, characterized in that: the reinforcing component (9) for stably supporting the detection box (5) is arranged between the detection box (5) and the lifting box (6), the reinforcing component (9) comprises a sleeve (91) which is fixedly connected in the lifting box (6) and vertically arranged, an inserting rod (92) which moves along the length direction of the sleeve (91) is arranged inside the sleeve (91), and one end, away from the sleeve (91), of the inserting rod (92) is fixedly connected with the top plate (55).
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| CN202111168506.XA CN114158180B (en) | 2021-10-08 | 2021-10-08 | Driver with heat dissipation function and infrared detector applying driver |
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| CN202111168506.XA CN114158180B (en) | 2021-10-08 | 2021-10-08 | Driver with heat dissipation function and infrared detector applying driver |
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| CN114158180B CN114158180B (en) | 2023-09-05 |
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Application publication date: 20220308 Assignee: Guangdong weiruidi Technology Co.,Ltd. Assignor: BEIJING VIREADY TECHNOLOGY Co.,Ltd. Contract record no.: X2022990001008 Denomination of invention: Driver with heat dissipation function and infrared detector for application driver License type: Common License Record date: 20230103 |
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