CN112415843A

CN112415843A - Auxiliary device for prolonging service life of projector

Info

Publication number: CN112415843A
Application number: CN202011264080.3A
Authority: CN
Inventors: 吉文献
Original assignee: Jiaxing Feiyu Electronic Technology Co ltd
Current assignee: Jiaxing Feiyu Electronic Technology Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-02-26

Abstract

The invention relates to the technical field of office projection equipment, and discloses an auxiliary device for prolonging the service life of a projector, which comprises a shell, wherein a projection light source is fixedly connected to the middle part of the shell, a fan is fixedly connected to the right end of the shell, a circulating water pipe is fixedly connected to the periphery of the shell, an adjusting device is fixedly connected to the right end of the circulating water pipe, a movable rod is movably connected to the inside of the adjusting device, and a first magnet is fixedly connected to one side of the movable rod, which is far away from the center of the adjusting device. This extension projecting apparatus life's auxiliary device, the thermistor through the outside fixed connection of adjusting device reacts the inside temperature transform of casing, adjusts the flow of water inlet, reaches the effect of automatically regulated water cold flow, improves the inside radiating effect of casing, avoids the inside high temperature of casing to influence the use, and arouses protection architecture protection circuit when frequent operation, avoids improper use to damage the projector, prolongs the life of projector.

Description

Auxiliary device for prolonging service life of projector

Technical Field

The invention relates to the technical field of office projection equipment, in particular to an auxiliary device for prolonging the service life of a projector.

Background

A projector, also known as a projector, is a device capable of projecting images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, and the like through different interfaces to play corresponding video signals, the projector is widely applied to homes, offices, schools, and entertainment places at present, a high-power bulb is adopted as a projection light source by the projector, high-intensity light simultaneously generates a large amount of heat, the heat dissipation of a projection optical machine is mainly realized by sucking cold air from the outside through a turbofan at present, but the air cooling effect is poor, so that the temperature inside the projector is rapidly increased, the projector needs to be turned off for a period of time to wait for the cooling of the device, the working efficiency is reduced, and in the using process of the projector, the projection bulb is continuously subjected to impact current or impact voltage due to frequent debugging and on-off operation, so that the burning failure of the bulb is seriously caused, because the projector power supply part adopts electronic elements such as a transformer, a power switch and the like, the elements can generate great heat in the frequent switching process, thereby causing the overhigh working temperature inside the projector and influencing the use of the projector.

In order to solve the above problems, the inventor provides an auxiliary device for prolonging the service life of a projector, and the auxiliary device for prolonging the service life of the projector reacts the internal temperature change of a shell through a thermistor fixedly connected with the outside of an adjusting device, adjusts the flow of a water inlet, achieves the effect of automatically adjusting the cold flow of water, improves the internal heat dissipation effect of the shell, avoids the influence of the overhigh internal temperature of the shell on the use, excites a protection structure protection circuit in frequent operation, avoids damaging the projector due to improper use, and prolongs the service life of the projector.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the auxiliary device for prolonging the service life of the projector, which has the advantages of improving the heat dissipation effect by self-adjusting the cold flow of circulating water and frequently operating the protection circuit of the excitation protection mechanism, and solves the problem that the internal circuit of the projector is easily burnt out due to poor heat dissipation effect and frequent operation.

(II) technical scheme

In order to achieve the purposes of improving the heat dissipation effect by self-adjusting the cold flow of circulating water and frequently operating the protection circuit of the excitation protection mechanism, the invention provides the following technical scheme: an auxiliary device for prolonging the service life of a projector comprises a shell, wherein a projection light source is fixedly connected to the middle of the shell, a fan is fixedly connected to the right end of the shell, a circulating water pipe is fixedly connected to the periphery of the shell, an adjusting device is fixedly connected to the right end of the circulating water pipe, a movable rod is movably connected to the inside of the adjusting device, a first magnet is fixedly connected to one side, away from the center of the adjusting device, of the movable rod, a rotating wheel is rotatably connected to the inside of the adjusting device, a second magnet is fixedly connected to one side, close to the first electromagnet, of the rotating wheel, a limiting groove is formed in the adjusting device, a thermistor is fixedly connected to the outside of the adjusting device, a first contact is fixedly connected to one side, away from the first electromagnet, a water inlet is formed in the center of the, the bottom fixedly connected with warning light of casing, the bottom swing joint of casing has the switch, both ends fixedly connected with contact two about the switch, one side fixedly connected with electro-magnet two of casing proximity switch, the inside swing joint of casing has the stop block, one side swing joint that the casing bottom is close the electric capacity board has magnet three, the inside swing joint of casing has the trigger bar, the right-hand member fixedly connected with circulating water device of casing.

Preferably, the inside cavity of casing, both ends fixedly connected with damping spring about the fan, circulating pipe evenly lays in the periphery that the casing is close the projection light source, reduces the vibration influence projection effect of fan to improve the radiating effect of water-cooling circulation.

Preferably, adjusting device's inside and the outside looks adaptation of movable rod, the quantity of movable rod is six, the upper and lower both ends fixedly connected with magnet one of movable rod, the quantity of magnet one is six groups, adjusts the flow that the size change intake of water inlet through adjusting device.

Preferably, the middle part fixedly connected with lug of runner, the inside of spacing groove and the outside looks adaptation of lug, thermistor and an electro-magnet circuit connection, one side that magnet two is close electro-magnet one is the N utmost point, contact one with warning light and two circuit connection of electro-magnet, the warning user when the inside temperature of casing is high avoids the user to close the power suddenly and causes the internal circuit to damage.

Preferably, the capacitor plate is in circuit connection with the second electromagnet, the second contacts are two groups, the second contact fixedly connected with the left end of the switch and the second contact at the right end of the switch are in circuit connection with the second electromagnet respectively, the second left end contact can enable the second right end contact communication circuit to be short-circuited, when frequent operation times are too many, the capacitor plate is charged completely, the second electromagnet excites the magnetic field to attract the trigger rod, the switch is locked, and the alarm lamp is communicated to remind a user.

Preferably, one side of the stop block close to the second electromagnet is fixedly connected with a magnet, the magnetic poles of the opposite faces of the magnet and the magnet are in the same direction, the top of the trigger rod is fixedly connected with a spring, one side of the stop block close to the switch is fixedly connected with a spring, and the shell auxiliary structure is reset through the resetting effect of the spring.

Preferably, the top of the magnet III is fixedly connected with a contact, the contact part of the magnet III and the contact is made of insulating materials, and the circulating device is connected with the water inlet and a circulating water pipe water system to provide a condition foundation for water cooling heat dissipation in the shell.

(III) advantageous effects

Compared with the prior art, the invention provides an auxiliary device for prolonging the service life of a projector, which has the following beneficial effects:

1. this extension projecting apparatus life's auxiliary device, thermistor through the outside fixed connection of adjusting device reacts the inside temperature transform of casing, when the temperature rises fast, thermistor reduces along with the temperature rise resistance value, change access electromagnet one inside current size, the magnetic field grow that electro-magnet arouses, repelling magnet attracts magnet two in the lump, magnet one drives the flow of movable rod outwards extension increase water inlet, magnet two drives the runner simultaneously, under the limiting displacement of spacing groove, when inside temperature reaches the limited temperature, runner to extreme position, intercommunication contact one, make the warning light open, thereby reach the effect of automatically regulated water cold flow, improve the inside radiating effect of casing, avoid the inside high temperature of casing to influence the use, improve the life of bulb.

2. This extension projecting apparatus life's auxiliary device, the time length that the access circuit of two end fixed connection's contact two control electric capacity boards charges about through the switch, when frequently opening in the short time and closing the projector, the electric capacity board lasts to charge under the route and the short circuit condition of two end fixed connection's contact about the switch, the back of finishing charging, the magnetic field of reverse excitation electro-magnet two, reject the stopper and communicate warning light and remind the user, thereby arouse protection architecture protection circuit's effect when reaching frequent operation, avoid improper use to damage the bulb of circuit and projector, the life of extension projecting apparatus.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic left side view of the adjusting device of the present invention;

FIG. 3 is a schematic view of the adjustment device of the present invention;

FIG. 4 is an enlarged view of the structure shown at A in FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of the structure shown at B in FIG. 2 according to the present invention;

fig. 6 is an enlarged view of the structure shown at C in fig. 3 according to the present invention.

In the figure: 1. a housing; 2. a projection light source; 3. a fan; 4. a circulating water pipe; 5. an adjustment device; 6. A movable rod; 7. a first magnet; 8. an electromagnet I; 9. a rotating wheel; 10. a second magnet; 11. a limiting groove; 12. A thermistor; 13. a first contact; 14. a water inlet; 15. a capacitive plate; 16. a warning light; 17. a switch; 18. a second contact; 19. an electromagnet II; 20. a stopper block; 21. a magnet III; 22. a trigger lever; 23. And a circulating device.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an auxiliary device for prolonging the service life of a projector comprises a housing 1, a projection light source 2 is fixedly connected to the middle of the housing 1, a fan 3 is fixedly connected to the right end of the housing 1, a circulating water pipe 4 is fixedly connected to the periphery of the housing 1, the housing 1 is hollow, damping springs are fixedly connected to the left and right ends of the fan 3, the circulating water pipe 4 is uniformly laid on the periphery of the housing 1 close to the projection light source 2, the influence of vibration of the fan 3 on the projection effect is reduced, the right end of the circulating water pipe 4 with the effect of water-cooling circulation heat dissipation is improved, an adjusting device 5 is fixedly connected to the right end of the circulating water pipe 4, the inside of the adjusting device 5 is matched with the outside of a movable rod 6, the number of the movable rods 6 is six, first magnets 7 are fixedly connected to the upper and lower ends of the movable rods 6, the number, the inner part of the adjusting device 5 is movably connected with a movable rod 6, one side of the movable rod 6, which is far away from the center of the adjusting device 5, is fixedly connected with a magnet I7, the inner part of the adjusting device 5 is rotatably connected with a rotating wheel 9, the middle part of the rotating wheel 9 is fixedly connected with a convex block, the inner part of a limiting groove 11 is matched with the outer part of the convex block, a thermistor 12 is in circuit connection with an electromagnet I8, one side of a magnet II 10, which is close to the electromagnet I8, is an N pole, a contact I13 is in circuit connection with a warning lamp 16 and an electromagnet II 19, a user is warned when the temperature in the shell 1 is extremely high, the damage of an internal circuit caused by the sudden power supply shutdown of the user is avoided, one side of the rotating wheel 9, which is close to the electromagnet I8, the limiting groove 11 is arranged in the adjusting device 5, the center of the adjusting device 5 is provided with a water inlet 14, the bottom of the shell 1 is fixedly connected with a capacitance plate 15, the bottom of the shell 1 is fixedly connected with a warning lamp 16, the bottom of the shell 1 is movably connected with a switch 17, the left end and the right end of the switch 17 are fixedly connected with a contact II 18, one side of the shell 1 close to the switch 17 is fixedly connected with an electromagnet II 19, the capacitance plate 15 is in circuit connection with the electromagnet II 19, the contact II 18 is divided into two groups, the contact II 18 fixedly connected with the left end of the switch 17 and the contact II 18 at the right end are respectively in circuit connection with the electromagnet II 19, the contact II 18 at the left end can enable the contact II 18 at the right end to be in a short circuit, when the frequent operation times are excessive, the capacitance plate 15 is charged, the electromagnet II 19 excites a magnetic field to attract a trigger rod 22, the switch 17, one side fixedly connected with magnet that stopper 20 is close to second 19 of electro-magnet, the opposite face magnetic pole direction of magnet and three 21 of magnet is the same, the top fixedly connected with spring of trigger bar 22, one side fixedly connected with spring that stopper 20 is close to switch 17, the effect of reseing through the spring makes 1 auxiliary structure of casing realize reseing, one side swing joint that the casing 1 bottom is close to electric capacity board 15 has three 21 of magnet, the inside swing joint of casing 1 has trigger bar 22, the right-hand member fixedly connected with circulating device 23 of casing 1, circulating device 23 and water inlet 14, circulating pipe 4 water system is connected, provide the condition basis for the inside water-cooling heat dissipation of casing 1.

The working process and principle are as follows: when the projector is used, when the power supply of the projector is turned on and off by frequent operation, in the process of pressing the switch 17, along with the pressing of the switch 17, the second contact 18 fixedly connected at the right end of the switch 17 is firstly communicated with the circuit of the second electromagnet 19, the trigger rod 22 is compressed, the second electromagnet 19 excites the magnetic field to attract the third magnet 21, the third magnet 21 moves towards the second electromagnet 19, the contact fixedly connected at the top of the third magnet 21 is communicated, the charging circuit of the capacitor plate 15 is communicated, the capacitor plate 15 is charged at the moment, along with the continuous pressing of the switch 17, the second contact 18 fixedly connected at the right end of the contact 18 fixedly connected at the left end of the switch 17 is short-circuited, the third magnet 21 is not attracted any more by the short circuit, the charging circuit of the capacitor plate 15 is finished, the capacitor plate 15 starts to discharge, but the discharge amount is not enough to reversely excite the circuit of the, when the accumulated charge amount in the capacitor plate 15 is increased to the maximum charge amount of the capacitor plate 15, the capacitor plate 15 continuously discharges, the magnetic field of the electromagnet II 19 is reversely excited, at the moment, the magnet fixedly connected with the right end of the stop block 20 is repelled, the stop block 20 is driven to press the switch 17 to realize the locking of the switch 17, the damage of an internal circuit and the burning of a bulb caused by frequent improper operation are avoided, when the projector normally works, the internal temperature of the shell 1 is gradually increased, the heat dissipation of the fan 3 is insufficient to dissipate the internal heat, when the temperature is increased to a limit value, the thermistor 12 fixedly connected with the outside of the adjusting device 5 starts to reduce the resistance value along with the temperature increase, the internal current of the electromagnet I8 is increased, the magnet I7 is repelled and attracts the magnet II 10, the magnet I7 drives the movable rod 6 to extend outwards to increase the flow of the water inlet 14, water flow enters the circulating water pipe 4 from, finally, the water flows into a circulating device 23 for circulating heat dissipation, meanwhile, the magnet II 10 drives the rotating wheel 9, the rotating wheel 9 is rotated under the limiting action of the limiting groove 11, when the internal temperature of the shell 1 reaches a limited temperature, the first electromagnet 8 excites the magnetic field to be maximum, so that the rotating wheel 9 reaches a limiting position, the contact I13 is communicated, the warning lamp 16 is turned on, a user is reminded that the projector cannot be turned off, the burning-out of an internal circuit is avoided, meanwhile, the movable rod 6 is driven by the magnet I7 to be extended to a maximum state, the flow of the water inlet 14 is maximum at the moment, the water cooling heat dissipation effect is in a strongest state, after the use, the magnetic field excited by the first electromagnet 8 is weakened along with the reduction of the internal temperature of the shell 1, the current of the first electromagnet 13 is reversely introduced along with the fact that the rotating wheel 9 returns to an initial position along, and after the use is finished, the main power supply is turned off.

In summary, the auxiliary device for prolonging the service life of the projector reflects the temperature change in the shell 1 through the thermistor 12 fixedly connected with the outside of the adjusting device 5, when the temperature rises rapidly, the thermistor 12 reduces the resistance value along with the temperature rise, the current inside the first electromagnet 8 is changed, the magnetic field excited by the first electromagnet 8 is increased, the first magnet 7 is repelled and the second magnet 10 is attracted, the first magnet 7 drives the movable rod 6 to extend outwards to increase the flow of the water inlet 14, meanwhile, the second magnet 10 drives the rotating wheel 9, under the limiting action of the limiting groove 11, when the internal temperature reaches the limiting temperature, the rotating wheel 9 reaches the limit position and is communicated with the first contact 13, so that the warning lamp 16 is turned on, thereby reach the effect of automatically regulated water cold flow, improve the inside radiating effect of casing 1, avoid the inside high temperature of casing 1 to influence the use, improve the life of bulb.

In addition, the auxiliary device for prolonging the service life of the projector controls the charging time of the capacitor plate 15 connected to the circuit through the contacts II 18 fixedly connected to the left end and the right end of the switch 17, when the projector is frequently turned on and turned off in a short time, the capacitor plate 15 is continuously charged under the conditions of the access and short circuit of the contacts II 18 fixedly connected to the left end and the right end of the switch 17, after the charging is finished, the magnetic field of the electromagnet II 19 is reversely excited, the stopping block 20 is repelled and the warning lamp 16 is communicated to remind a user, the effect of exciting the protection structure protection circuit in frequent operation is achieved, the circuit and the bulb of the projector are prevented from being damaged due to improper use, and the service life of the projector is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An auxiliary device for prolonging the service life of a projector comprises a shell (1), and is characterized in that: the middle of the shell (1) is fixedly connected with a projection light source (2), the right end of the shell (1) is fixedly connected with a fan (3), the periphery of the shell (1) is fixedly connected with a circulating water pipe (4), the right end of the circulating water pipe (4) is fixedly connected with an adjusting device (5), the inner part of the adjusting device (5) is movably connected with a movable rod (6), one side of the movable rod (6) far away from the center of the adjusting device (5) is fixedly connected with a magnet I (7), the inner part of the adjusting device (5) is rotatably connected with a rotating wheel (9), one side of the rotating wheel (9) close to an electromagnet I (8) is fixedly connected with a magnet II (10), a limiting groove (11) is formed in the adjusting device (5), the outer part of the adjusting device (5) is fixedly connected with a thermistor (12), one side of the rotating wheel (9) far away from the electromagnet I (8) is, water inlet (14) have been seted up at the center of adjusting device (5), bottom fixedly connected with electric capacity board (15) of casing (1), bottom fixedly connected with warning light (16) of casing (1), the bottom swing joint of casing (1) has switch (17), both ends fixedly connected with contact two (18) about switch (17), one side fixedly connected with electro-magnet two (19) of casing (1) proximity switch (17), the inside swing joint of casing (1) has stop block (20), one side swing joint that casing (1) bottom is close electric capacity board (15) has magnet three (21), the inside swing joint of casing (1) has trigger bar (22), the right-hand member fixedly connected with circulating device (23) of casing (1).

2. An auxiliary device for extending the life of a projector according to claim 1, wherein: the inside cavity of casing (1), both ends fixedly connected with damping spring about fan (3), circulating pipe (4) are evenly laid and are close the periphery of projection light source (2) in casing (1).

3. An auxiliary device for extending the life of a projector according to claim 1, wherein: the inside of adjusting device (5) and the outside looks adaptation of movable rod (6), the quantity of movable rod (6) is six, the upper and lower both ends fixedly connected with magnet (7) of movable rod (6), the quantity of magnet (7) is six groups.

4. An auxiliary device for extending the life of a projector according to claim 1, wherein: the middle part of runner (9) fixedly connected with lug, the inside of spacing groove (11) and the outside looks adaptation of lug, thermistor (12) and electro-magnet one (8) circuit connection, one side that magnet two (10) are close electro-magnet one (8) is the N utmost point, contact one (13) and warning light (16) and electro-magnet two (19) circuit connection.

5. An auxiliary device for extending the life of a projector according to claim 1, wherein: the capacitance plate (15) is in circuit connection with the second electromagnet (19), the second contacts (18) are in two groups, and the second contact (18) fixedly connected with the left end of the switch (17) and the second contact (18) at the right end are in circuit connection with the second electromagnet (19) respectively.

6. An auxiliary device for extending the life of a projector according to claim 1, wherein: one side of the stop block (20) close to the second electromagnet (19) is fixedly connected with a magnet, the magnetic poles of the opposite surfaces of the magnet and the magnet III (21) are the same in direction, the top of the trigger rod (22) is fixedly connected with a spring, and one side of the stop block (20) close to the switch (17) is fixedly connected with a spring.

7. An auxiliary device for extending the life of a projector according to claim 1, wherein: the top of the magnet III (21) is fixedly connected with a contact, the contact part of the magnet III (21) and the contact is made of insulating materials, and the circulating device (23) is connected with the water inlet (14) and a circulating water pipe (4) water system.