CN113503703B

CN113503703B - Electronic component dryer with heat circulation function

Info

Publication number: CN113503703B
Application number: CN202110798672.1A
Authority: CN
Inventors: 苗壮
Original assignee: Shenzhen Bingruixin Technology Co ltd
Current assignee: Shenzhen Bingruixin Technology Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-05-13
Anticipated expiration: 2041-07-15
Also published as: CN113503703A

Abstract

The invention discloses an electronic component dryer with a heat circulation function. The electronic component dryer with the heat circulation function is convenient to automatically control opening and closing of the case, automatically discharges moisture, and dries electronic components in an automatic heat circulation mode. An electronic component dryer with a heat circulation function comprises a case, wherein one side of the lower part in the case is connected with an inner cavity; the air heater is mounted on one side of the lower part in the case; the air blowing ports are connected to the middle of the upper side and the lower side in the inner cavity; the conveying pipe is connected between the air blowing openings on the two sides, and the upper part of the air heater is connected with the conveying pipe. The electronic component dryer with the heat circulation function has the advantages of automatically fixing the opening and closing plate after the dryer is closed, clamping and fixing the electronic components and automatically reminding a user of cleaning the filter screen.

Description

Electronic component dryer with heat circulation function

Technical Field

The present disclosure relates to drying machines, and particularly to a drying machine for electronic components.

Background

Electronic components refer to components of electronic components and small-sized machines and instruments, and often refer to parts of industries such as electric appliances, radios, instruments and the like, and the electronic components may become wet due to some reason to influence normal use of the electronic components, so that the electronic components need to be dried.

Present electronic components stoving technique, generally place moist electronic components in the quick-witted incasement, closing the switch board, closed quick-witted case back, utilize the air heater, dry electronic components, open the valve at last and discharge ponding, however, manual opening repeatedly closes the switch board, complex operation is hard, secondly the heat directly discharges, can not cyclic utilization causes the waste, manual opening valve drainage simultaneously, consume the manpower, and can't guarantee the closure of quick-witted case, the switch board probably is opened at will, electronic components is not fixed, probably overturn, block the filter screen of dust at last, after collecting more dust, the user also can't in time discover the clearance.

Therefore, there is a need for an electronic component dryer with a heat circulation function, which facilitates automatic control of opening and closing of a cabinet, automatic moisture discharge, and automatic heat circulation drying of electronic components.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the electronic component dryer with the heat circulation function, which is convenient for automatically controlling the opening and closing of the case, automatically discharges water and dries the electronic components in an automatic heat circulation manner.

The purpose of the invention can be achieved by adopting the following technical scheme:

in a first aspect, an electronic component dryer with heat circulation function comprises: one side of the lower part in the case is connected with an inner cavity; the air heater is mounted on one side of the lower part in the case; the air blowing ports are connected to the middle of the upper side and the lower side in the inner cavity; the conveying pipe is connected between the air blowing ports on the two sides, and the upper part of the air heater is connected with the conveying pipe; the pressure relief valve is connected between one side of the lower part of the shell and the inner cavity; the inner cavity is internally and uniformly connected with three placing plates at intervals; the upper side in the inner cavity is connected with the conical plate; the first buzzer is mounted on one side of the upper part of the case; the humidity sensor is arranged in the middle of one side of the upper part in the inner cavity; the drainage mechanism is arranged between the inner cavity and the lower part of the case; and the opening and closing mechanism is arranged on one side of the case.

Further, the drainage mechanism includes: the two sides of the upper parts of the two lower placing plates are connected with the connecting plates; the two sides of the lower part in the inner cavity are both connected with the liquid storage frame; the drainage frame is connected between the upper parts of the connecting plates on the same side, and the drainage frame is also connected between the upper parts of the liquid storage frames; the liquid level sensors are mounted on one side of the lower portion of the liquid storage frame; the drain pipes are connected between the lower part of the liquid storage frame and the shell; the upper parts of the drain pipes are connected with the electromagnetic valves.

Further, the opening and closing mechanism includes: the fixing blocks are symmetrically connected to one side of the case from top to bottom; the rotating shaft is rotatably connected between the fixed blocks; the upper side and the lower side of the rotating shaft are both connected with the mounting blocks; the opening and closing plate is connected between one sides of the mounting blocks; the speed reducing motor is mounted on one side of the upper part of the case, and the lower side of an output shaft of the speed reducing motor is connected with the rotating shaft; the shielding frame is connected to one side of the case and located on the outer side of the speed reducing motor, the rotating shaft and the fixing block.

Further, still include locking Assembly, locking Assembly includes: the upper side and the lower side of the opening and closing plate are symmetrically connected with the clamping sleeves; the guide rods are symmetrically connected to the upper side and the lower side of the inner cavity; the guide rods are connected with the sliding blocks in a sliding manner; the locking rod is connected between one side of the sliding block on the upper side and one side of the sliding block on the lower side, the locking rod is in sliding fit with the inner cavity, and the locking rod is matched with the clamping sleeve; the first electric push rods are symmetrically arranged on the upper and lower sides of one side of the case, and the inner sides of the telescopic rods of the first electric push rods are connected with the locking rods; the distance sensor is installed on one side of the upper portion of the inner cavity.

Further, still including fixed subassembly, fixed subassembly includes: the fixing seats are symmetrically connected to one side of the middle part in the case; the second electric push rods are mounted on one sides of the fixed seats; three sliding sleeves are symmetrically and uniformly connected to one side of the upper part of the inner cavity at intervals; the sliding rods are connected to the inner sides of the sliding sleeves in a sliding mode; the fixing plate is connected between one sides of the sliding rods, and one sides of the telescopic rods of the second electric push rods are connected with the fixing plate; the clamping blocks are connected to one sides of the sliding rods.

Further, still including the protection subassembly, the protection subassembly includes: the protection frame is connected to one side of the lower portion of the case and located on one side of the air heater and the pressure release valve; one side of the lower part of the protective frame is connected with the connecting block; the filter screen, the connecting block lower part with be connected with between the protection frame the filter screen.

Further, still including warning subassembly, warning subassembly is including: the photosensitive sensor is mounted on one side of the upper part of the protective frame; the fixing sleeve is connected to one side of the upper part of the protection frame and is positioned outside the photosensitive sensor; and the second buzzer is arranged on one side of the upper part of the case.

Furthermore, the dryer also comprises a control box, the control box is connected to the rear side of the upper part of the case, the control box comprises a switch power supply, a power module and a control module, the switch power supply supplies power to the whole dryer, the output end of the switch power supply is electrically connected with the power module, the power module is connected with a power main switch through a circuit, the control module is electrically connected with the power module, a distance sensor, a photosensitive sensor, a liquid level sensor, a humidity sensor, a first buzzer and a second buzzer are electrically connected with the control module, the front side of the upper part of the case is provided with a first key, a second key and a third key, the first key is used for controlling the operation of the air heater, the second key is used for controlling the closing of the switching plate, the third key is used for opening and loosening electronic components of the switching plate, and the first key, the second key and the third key are electrically connected with the control module, the control module is connected with a DS1302 clock circuit and a 24C02 circuit, and the hot air blower, the first electric push rod, the second electric push rod, the speed reducing motor and the electromagnetic valve are all connected with the control module through the relay control module.

The invention has the advantages that: (1) according to the clamping device, the clamping sleeve is driven to rotate anticlockwise through the opening and closing plate, when the distance between the opening and closing plate and the distance sensor is smaller than a preset value, the control locking rod moves downwards and is inserted into the clamping sleeve, the opening and closing plate is fixed, meanwhile, the clamping block is controlled to move forwards to clamp and fix the electronic component, and the effects of automatically fixing the opening and closing plate and clamping and fixing the electronic component after the case is closed are achieved; (2) according to the invention, the filter screen blocks external dust from entering the protective frame, and when the dust on the filter screen blocks the light of the photosensitive sensor, the second buzzer is controlled to give an alarm, so that the effect of automatically reminding a user to clean the filter screen is achieved.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a third perspective view of the present invention.

Fig. 4 is a schematic diagram of a fourth three-dimensional structure according to the present invention.

Fig. 5 is a partial perspective view of the present invention.

Fig. 6 is a schematic perspective view of a first drainage mechanism according to the present invention.

Fig. 7 is a schematic perspective view of a second drainage mechanism of the present invention.

Fig. 8 is a schematic perspective view of a first opening/closing mechanism according to the present invention.

Fig. 9 is a schematic perspective view of a second opening/closing mechanism according to the present invention.

Fig. 10 is a schematic perspective view of a first locking assembly of the present invention.

Fig. 11 is a schematic perspective view of a second locking assembly of the present invention.

Fig. 12 is a schematic perspective view of a first fixing assembly according to the present invention.

Fig. 13 is a schematic perspective view of a second fixing assembly of the present invention.

Fig. 14 is a third perspective view of the fixing assembly of the present invention.

Fig. 15 is a schematic perspective view of a first structure of a protection assembly and a warning assembly according to the present invention.

Fig. 16 is a schematic perspective view of a second structure of the shielding assembly and the warning assembly of the present invention.

Fig. 17 is a circuit block diagram of the present invention.

Fig. 18 is a schematic circuit diagram of the present invention.

Labeled as: 1-case, 2-inner cavity, 201-control box, 3-air heater, 4-air blowing port, 5-delivery pipe, 6-pressure relief valve, 7-placing plate, 8-conical plate, 801-first buzzer, 802-humidity sensor, 9-drainage mechanism, 91-drainage frame, 92-connecting plate, 93-liquid storage frame, 94-liquid level sensor, 95-drainage pipe, 96-electromagnetic valve, 10-opening and closing mechanism, 101-fixing block, 102-rotating shaft, 103-mounting block, 104-opening and closing plate, 105-speed reducing motor, 106-shielding frame, 11-locking component, 111-ferrule, 112-guide rod, 113-sliding block, 114-locking rod, 115-first electric push rod, 116-distance sensor, 12-a fixed component, 121-a fixed seat, 122-a second electric push rod, 123-a sliding sleeve, 124-a sliding rod, 125-a fixed plate, 126-a clamping block, 13-a protective component, 131-a protective frame, 132-a connecting block, 133-a filter screen, 14-a warning component, 141-a fixed sleeve, 142-a photosensitive sensor and 143-a second buzzer.

Detailed Description

The invention is described in further detail below with reference to the drawings and the detailed description, but the invention is not limited to the scope of protection and application.

Example 1

As shown in fig. 1 to 9, the embodiment discloses an electronic component dryer with heat circulation function, which comprises a case 1, an inner cavity 2, an air heater 3, a blowing port 4, a delivery pipe 5, a pressure release valve 6, a placing plate 7, a tapered plate 8, a first buzzer 801, a humidity sensor 802, a drainage mechanism 9 and an opening and closing mechanism 10, wherein the inner cavity 2 is connected to the front side of the inner lower part of the case 1, the air heater 3 is installed on the rear side of the inner lower part of the case 1, the blowing ports 4 are connected to the middle of the upper and lower sides of the inner cavity 2, the delivery pipe 5 is connected between the blowing ports 4 on the two sides, the upper part of the air heater 3 is connected to the delivery pipe 5, the pressure release valve 6 is connected between the right rear side of the lower part of the housing and the inner cavity 2, the three placing plates 7 are uniformly connected to the inner cavity 2 at intervals, the tapered plate 8 is connected to the upper side of the inner cavity 2, the first buzzer 801 is installed on the right side of the upper part of the case 1, the humidity sensor 802 is installed on the middle of the rear side of the upper part of the inner cavity 2, a drainage mechanism 9 is arranged between the inner cavity 2 and the lower part of the case 1, and an opening and closing mechanism 10 is arranged on the right side of the front part of the case 1.

When a user needs to dry the electronic component, firstly the user presses the power supply main switch to electrify the dryer, then the electronic component is placed on the placing plate 7, the second key is pressed down to enable the control module to control the opening and closing mechanism 10 to operate for two seconds and then close the case 1 to seal the electronic component, then the first key is pressed down to enable the control module to control the hot air blower 3 to start up, hot air is filled from the rear side of the hot air blower 3, the hot air is dispersedly blown onto the electronic component through the conveying pipe 5, the blowing port 4 and the conical plate 8, so that the electronic component is dried, the pressure release valve 6 is manually opened after the hot air is gathered to a certain amount in the inner cavity 2 to discharge the hot air, then the hot air is sucked into the inner cavity 2 again under the action of the hot air blower 3 to form circulation of the hot air, then the pressure release valve 6 is closed, and moisture on the electronic component is gathered in the water discharging mechanism 9, drainage mechanism 9 senses ponding more back, control module will control drainage mechanism 9 and operate ten seconds later and close, discharge ponding entirely, be provided with the default in the humidity transducer 802, after the humidity in inner chamber 2 reachs the default, control module will control first bee calling organ 801 and sound the police dispatch newspaper and stop after ten seconds, suggestion user electronic components has dried, can press first button once more, close air heater 3, press the second button afterwards, make control module control closing mechanism 10 reverse function, open quick-witted case 1, hot-air effluvium, can take out electronic components, the user presses power master switch once more at last, for the drying-machine outage.

Drainage mechanism 9 is including drainage frame 91, connecting plate 92, stock solution frame 93, level sensor 94, drain pipe 95 and solenoid valve 96, two 7 upper portion left and right sides of placing the board of downside all are connected with connecting plate 92, be connected with drainage frame 91 between the upper portion of homonymy connecting plate 92, the lower part left and right sides all is connected with stock solution frame 93 in the inner chamber 2, also be connected with drainage frame 91 between stock solution frame 93 upper portion, level sensor 94 is all installed to stock solution frame 93 lower part rear side, all be connected with drain pipe 95 between stock solution frame 93 lower part and the shell, drain pipe 95 upper portion all is connected with solenoid valve 96.

The opening and closing mechanism 10 comprises fixed blocks 101, a rotating shaft 102, mounting blocks 103, an opening and closing plate 104, a speed reduction motor 105 and a shielding frame 106, the fixed blocks 101 are symmetrically connected to the right side of the front portion of the case 1 in an up-and-down mode, the rotating shaft 102 is rotatably connected between the fixed blocks 101, the mounting blocks 103 are connected to the upper side and the lower side of the rotating shaft 102, the opening and closing plate 104 is connected between the right front sides of the mounting blocks 103, the speed reduction motor 105 is mounted on the right front side of the upper portion of the case 1, the lower side of an output shaft of the speed reduction motor 105 is connected with the rotating shaft 102, the shielding frame 106 is connected to the right side of the front portion of the case 1, and the shielding frame 106 is located on the outer sides of the speed reduction motor 105, the rotating shaft 102 and the fixed blocks 101.

When a user needs to dry the electronic component, firstly, the user presses a power supply main switch to electrify the dryer, then the electronic component is placed on the placing plate 7, the second key is pressed down, the control module controls the speed reducing motor 105 to operate for two seconds and then to be closed, the rotating shaft 102, the mounting block 103 and the opening and closing plate 104 are driven to rotate clockwise, the case 1 is closed, the electronic component is sealed, then the first key is pressed down, the control module controls the hot air blower 3 to be started, hot air is filled from the rear side of the hot air blower 3, the hot air is dispersedly blown onto the electronic component through the conveying pipe 5, the air blowing opening 4 and the conical plate 8, so that the electronic component is dried, after the hot air is collected to a certain amount in the inner cavity 2, the pressure release valve 6 is manually opened to discharge the hot air, then the hot air is sucked into the inner cavity 2 again under the action of the hot air blower 3 to form circulation of the hot air, then the pressure release valve 6 is closed, after the moisture on the electronic component evaporates, the moisture flows into the liquid storage frame 93 along the drainage frame 91 and the connecting plate 92, a preset value is set in the liquid level sensor 94, after the water level of the accumulated water in the liquid level sensor 94 reaches the preset value, the electromagnetic valve is controlled to be opened for 96 seconds and then closed, the accumulated water is completely discharged to the outside through the drainage pipe 95, a preset value is set in the humidity sensor 802, after the humidity in the inner cavity 2 reaches the preset value, the control module controls the first buzzer 801 to sound an alarm and stops after ten seconds, a user is prompted that the electronic component is dried, the first button can be pressed again, the air heater 3 is closed, then the second button is pressed, the control module controls the speed reducing motor 105 to reversely rotate for two seconds and then closed, the rotating shaft 102, the mounting block 103 and the opening and closing plate 104 are driven to rotate anticlockwise, the case 1 is opened, and the hot air is dissipated, the electronic components can be taken out, and finally, a user presses the power supply master switch again to cut off the power of the dryer, so that the effects of opening the closed case 1 by convenient automatic control, automatically discharging moisture and circularly drying the electronic components by automatic heat are achieved.

Example 2

As shown in fig. 1, 2, and 10 to 18, in some embodiments, the locking device further includes a locking assembly 11, the locking assembly 11 includes a sleeve 111, a guide rod 112, a slider 113, a locking rod 114, a first electric push rod 115, and a distance sensor 116, the sleeve 111 is symmetrically connected to both sides of the front portion of the opening/closing plate 104, the guide rod 112 is symmetrically connected to both sides of the front portion of the inner cavity 2, the slider 113 is slidably connected to the guide rod 112, the locking rod 114 is connected between the front sides of the sliders 113, the locking rod 114 is slidably engaged with the inner cavity 2, the locking rod 114 is engaged with the sleeve 111, the first electric push rod 115 is symmetrically installed on the front side of the chassis 1, the inner side of the telescopic rod of the first electric push rod 115 is connected to the locking rod 114, and the distance sensor 116 is installed on the front side of the upper portion of the inner cavity 2.

Still including fixed subassembly 12, fixed subassembly 12 is including fixing base 121, second electric putter 122, sliding sleeve 123, slide bar 124, fixed plate 125 and clamp tight piece 126, middle part rear side bilateral symmetry is connected with fixing base 121 in quick-witted case 1, second electric putter 122 is all installed to fixing base 121 front side, 2 upper portion rear side bilateral symmetry intervals in inner chamber are evenly connected with three sliding sleeve 123, the inboard equal sliding connection of sliding sleeve 123 has slide bar 124, be connected with fixed plate 125 between the slide bar 124 rear side, second electric putter 122 telescopic link front side all is connected with fixed plate 125, slide bar 124 front side all is connected with and presss from both sides tight piece 126.

When the opening and closing plate 104 rotates clockwise to close, the clamping sleeve 111 is driven to rotate anticlockwise, a preset value is set in the distance sensor 116, after the distance sensor 116 senses that the distance between the distance sensor and the opening and closing plate 104 reaches the preset value, the control module controls the telescopic rod of the first electric push rod 115 to extend for one second and then close, the locking rod 114 is driven to move inwards and insert into the clamping sleeve 111, the opening and closing plate 104 is clamped and fixed, meanwhile, the control module controls the telescopic rod of the second electric push rod 122 to extend for one second and then close, the fixing plate 125, the sliding rod 124 and the clamping block 126 are driven to move forwards, the clamping block 126 clamps and fixes the electronic component, after the electronic component is dried, a third key is pressed, the control module controls the telescopic rod of the first electric push rod 115 to shorten for one second and then close, the locking rod 114 is driven to move upwards to keep away from the clamping sleeve 111, and the opening and closing plate 104 can be opened smoothly, meanwhile, the control module controls the telescopic rod of the second electric push rod 122 to be closed after being shortened for one second, the fixing plate 125, the sliding rod 124 and the clamping block 126 are driven to move backwards, the component is loosened, then the second button is pressed, the opening and closing plate 104 is controlled to rotate anticlockwise, the case 1 is opened, the clamping sleeve 111 is driven to rotate anticlockwise to be far away from the driving locking rod 114, the component can be taken down finally, and the effects of automatically fixing the opening and closing plate 104 and clamping and fixing the electronic component after the case 1 is closed are achieved.

The protection device is characterized by further comprising a protection component 13, wherein the protection component 13 comprises a protection frame 131, a connecting block 132 and a filter screen 133, the protection frame 131 is connected to the rear side of the lower portion of the case 1, the protection frame 131 is located on the outer side of the rear portions of the air heater 3 and the pressure release valve 6, the connecting block 132 is connected to the rear side of the lower portion of the protection frame 131, and the filter screen 133 is connected between the lower portion of the connecting block 132 and the protection frame 131.

Still including warning subassembly 14, warning subassembly 14 is including fixed cover 141, light sensor 142 and second buzzer 143, and light sensor 142 is installed on the left side of protective frame 131 upper portion, and protective frame 131 upper portion left side is connected with fixed cover 141, and fixed cover 141 is located the light sensor 142 outside, and second buzzer 143 is installed on the left side of machine case 1 upper portion.

Under the effect of protective frame 131, guarantee that follow exhaust hot-air in the relief valve 6 can be inhaled by air heater 3 back to in the inner chamber 2, filter screen 133 can avoid the dust to enter into protective frame 131, when collecting up on filter screen 133 dust and can not respond to light to photosensitive sensor 142 more, control module will control second bee calling organ 143 and send out the police dispatch newspaper and stop after ten seconds, remind the user to wash filter screen 133, reach the automatic effect of reminding the user to clear up filter screen 133.

The drying machine further comprises a control box 201, the control box 201 is connected to the rear side of the upper portion of the machine case 1, a switch power supply, a power supply module and a control module are arranged in the control box 201, the switch power supply supplies power to the whole drying machine, the output end of the switch power supply is electrically connected with the power supply module, a power supply main switch is connected to the power supply module through a circuit, the control module is electrically connected with the power supply module, the distance sensor 116, the photosensitive sensor 142, the liquid level sensor 94, the humidity sensor 802, the first buzzer 801 and the second buzzer 143 are all electrically connected with the control module, a first key, a second key and a third key are arranged on the front side of the upper portion of the machine case 1, the first key is used for controlling the operation of the hot air blower 3, the second key is used for controlling the closing of the opening and closing plate 104, the third key is used for opening and releasing electronic components of the opening and closing plate 104, and the first key, the second key and the third key are all electrically connected with the control module, the control module is connected with a DS1302 clock circuit and a 24C02 circuit, and the hot air blower 3, the first electric push rod 115, the second electric push rod 122, the speed reducing motor 105 and the electromagnetic valve 96 are all connected with the control module through the relay control module.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an electronic components drying-machine with heat circulation function which characterized in that: comprises the following steps: the device comprises a case (1), wherein one side of the inner lower part of the case (1) is connected with an inner cavity (2); the air heater (3) is mounted on one side of the lower portion in the case (1); the air blowing port (4) is connected to the middle of the upper side and the lower side in the inner cavity (2); the conveying pipe (5) is connected between the air blowing ports (4) on the two sides of the conveying pipe (5), and the upper part of the hot air blower (3) is connected with the conveying pipe (5); the pressure release valve (6) is connected between one side of the lower part of the shell and the inner cavity (2); the inner cavity (2) is internally and uniformly connected with three placing plates (7) at intervals; the upper side in the inner cavity (2) is connected with the conical plate (8); the first buzzer (801), the first buzzer (801) is installed on one side of the upper part of the case (1); the humidity sensor (802) is installed in the middle of one side of the upper portion in the inner cavity (2); the drainage mechanism (9) is arranged between the inner cavity (2) and the lower part of the case (1); the opening and closing mechanism (10) is arranged on one side of the case (1); the drainage mechanism (9) comprises: the two sides of the upper parts of the two lower placing plates (7) are connected with the connecting plates (92); the two sides of the inner lower part of the inner cavity (2) are connected with the liquid storage frame (93); the drainage frame (91) is connected between the upper parts of the connecting plates (92) on the same side, and the drainage frame (91) is also connected between the upper parts of the liquid storage frames (93); the liquid level sensors (94) are mounted on one side of the lower portion of the liquid storage frame (93); the drain pipes (95) are connected between the lower part of the liquid storage frame (93) and the shell; the electromagnetic valves (96) are connected to the upper parts of the drain pipes (95); the opening/closing mechanism (10) comprises: the fixing blocks (101) are symmetrically connected to one side of the case (1) from top to bottom; the rotating shaft (102) is rotatably connected between the fixed blocks (101); the upper side and the lower side of the rotating shaft (102) are both connected with the mounting blocks (103); an opening/closing plate (104), the opening/closing plate (104) being connected between the mounting blocks (103) on one side; the speed reducing motor (105) is installed on one side of the upper portion of the case (1), and the lower side of an output shaft of the speed reducing motor (105) is connected with the rotating shaft (102); the shielding frame (106) is connected to one side of the case (1), the shielding frame (106) is located on the outer side of the speed reducing motor (105), the rotating shaft (102) and the fixed block (101), and the rotating shaft is connected with the fixed block (101); still including locking Assembly (11), locking Assembly (11) including: the upper side and the lower side of the opening and closing plate (104) are symmetrically connected with the clamping sleeves (111); the guide rods (112) are symmetrically connected to the upper side and the lower side of the inner cavity (2); the sliding blocks (113) are connected to the guide rods (112) in a sliding manner; the locking rod (114) is connected between one side of the sliding block (113) on the upper side and one side of the sliding block (114) on the lower side, the locking rod (114) is in sliding fit with the inner cavity (2), and the locking rod (114) is matched with the clamping sleeve (111); the first electric push rods (115) are symmetrically arranged on one side of the case (1) from top to bottom, and the inner sides of the telescopic rods of the first electric push rods (115) are connected with the locking rods (114); the distance sensor (116) is installed on one side of the upper portion of the inner cavity (2).

2. The electronic component dryer with heat circulation function as claimed in claim 1, wherein: still including fixed subassembly (12), fixed subassembly (12) including: the fixing seats (121) are symmetrically connected to one side of the middle in the case (1); the second electric push rods (122) are mounted on one sides of the fixed seats (121); the sliding sleeve (123), three sliding sleeves (123) are symmetrically and uniformly connected to one side of the upper part of the inner cavity (2) at intervals; the sliding rods (124) are connected to the inner sides of the sliding sleeves (123) in a sliding mode; the fixing plate (125) is connected between one sides of the sliding rods (124), and one sides of the telescopic rods of the second electric push rods (122) are connected with the fixing plate (125); the clamping blocks (126) are connected to one sides of the sliding rods (124).

3. The electronic component dryer with heat circulation function as claimed in claim 2, wherein: still including protection component (13), protection component (13) including: the protective frame (131) is connected to one side of the lower portion of the case (1), and the protective frame (131) is located on one side of the air heater (3) and the pressure release valve (6); the connecting block (132) is connected to one side of the lower part of the protective frame (131); the filter screen (133), be connected with between connecting block (132) lower part and protective frame (131) filter screen (133).

4. The dryer for electronic components with heat circulation function as claimed in claim 3, wherein: still including warning subassembly (14), warning subassembly (14) including: the photosensitive sensor (142) is mounted on one side of the upper part of the protective frame (131); the fixing sleeve (141) is connected to one side of the upper part of the protective frame (131), and the fixing sleeve (141) is located on the outer side of the photosensitive sensor (142); and the second buzzer (143) is mounted on one side of the upper part of the case (1).

5. The dryer for electronic components with heat circulation function as claimed in claim 4, wherein: the dryer further comprises a control box (201), the control box (201) is connected to one side of the upper portion of the case (1), a switching power supply, a power supply module and a control module are arranged in the control box (201), the switching power supply supplies power to the whole dryer, the output end of the switching power supply is electrically connected with the power supply module, the power supply module is connected with a power main switch through a circuit, the control module is electrically connected with the power supply module, the distance sensor (116), the photosensitive sensor (142), the liquid level sensor (94), the humidity sensor (802), the first buzzer (801) and the second buzzer (143) are electrically connected with the control module, a first key, a second key and a third key are arranged on one side of the upper portion of the case (1), the first key is used for controlling the operation of the air heater (3), and the second key is used for controlling the closing of the opening and closing plate (104), the third button is used for opening and loosening the electronic component of the opening and closing plate (104), the first button, the second button and the third button are all electrically connected with the control module, a DS1302 clock circuit and a 24C02 circuit are connected to the control module, and the hot air blower (3), the first electric push rod (115), the second electric push rod (122), the speed reduction motor (105) and the electromagnetic valve (96) are all connected with the control module through the relay control module.