阅读说明：本技术 一种大面积3d打印光源散热系统 (Large-area 3D printing light source cooling system ) 是由 沈杨 李�根 吴涛 林哲 于 2020-03-31 设计创作，主要内容包括：本发明公开了一种大面积3D打印光源散热系统,属于3D打印技术领域,包括外壳,所述外壳的顶部嵌设有光源本体,所述光源本体的底面固定连接有若干个等距排列设置的导热板,所述外壳的背面嵌设安装有至少三个散热扇,所述外壳的底面固定设有散热水管,且散热水管弯曲设置在若干个导热板之间；利用导热板和散热片进行自然散热,当热量积蓄较高时,利用散热扇排风,将外壳内部的热空气通过散热孔吹出,同时利用循环水泵抽取冷却水并经过散热水管,从而对光源本体进行风冷和水冷双重散热,提高光源本体在工作时的散热效果,有效保障了光源本体的使用寿命,同时避免温度过高引起的材料融化,提高成品率。(The invention discloses a large-area 3D printing light source heat dissipation system, which belongs to the technical field of 3D printing and comprises a shell, wherein a light source body is embedded in the top of the shell, a plurality of heat conduction plates which are arranged at equal intervals are fixedly connected to the bottom surface of the light source body, at least three heat dissipation fans are embedded in the back surface of the shell, a heat dissipation water pipe is fixedly arranged on the bottom surface of the shell, and the heat dissipation water pipe is arranged among the heat conduction plates in a bending way; utilize heat-conducting plate and fin to carry out the nature heat dissipation, when the heat accumulation is higher, utilize the heat dissipation fan to air exhaust, blow off the inside hot-air of shell through the louvre, utilize circulating water pump extraction cooling water and through the heat dissipation water pipe simultaneously to carry out air-cooled and water-cooling dual heat dissipation to the light source body, improve the radiating effect of light source body at the during operation, effectively ensured the life of light source body, avoid the material that the high temperature arouses to melt simultaneously, improve the yield.)

1. The utility model provides a large tracts of land 3D prints light source cooling system, includes shell (1), its characterized in that, the top of shell (1) inlays and is equipped with light source body (2), the heat-conducting plate (3) that the bottom surface fixedly connected with a plurality of equidistance of light source body (2) was arranged and is set up, the back of shell (1) is inlayed and is installed at least three heat dissipation fan (5), the fixed heat dissipation water pipe (6) that are equipped with in bottom surface of shell (1), and the crooked setting of heat dissipation water pipe (6) is between a plurality of heat-conducting plate (3), the one end of heat dissipation water pipe (6) is passed shell (1) and is linked together with circulating water pump (7) of installing on cooling water tank (8), circulating water pump (7) are linked together through the inside of drinking-water pipe with cooling water tank (8), cooling water tank (8) fixed mounting is at the back of shell (1), the other end and the inside of cooling water, the interior of the light source body (2) is communicated with the interior of the sealing cylinder (11) through a communicating pipe (10), the sealing cylinder (11) is fixedly arranged in the shell (1), the temperature sensor (19) is fixedly arranged in the light source body (2), a circuit board (18) is fixedly arranged in the shell (1) below the sealing cylinder (11), and the circuit board (18) is respectively provided with a singlechip (20), a timer (21) and an early warning module (22), the output end of the temperature sensor (19) is electrically connected with the input end of the singlechip (20), the output end of the singlechip (20) is electrically connected with the input end of the timer (21), the output end of the timer (21) is electrically connected with the input end of the early warning module (22), the heat dissipation fan (5), the circulating water pump (7), the temperature sensor (19) and the circuit board (18) are respectively electrically connected with an external power supply.

2. The large area 3D printing light source heat dissipation system of claim 1, wherein: the inner side of the inner cylinder (12) is fixedly provided with a contact switch a (14), and the bottom of the inner side of the inner cylinder (12) is fixedly connected with the piston (13) through two springs a (15).

3. The large area 3D printing light source heat dissipation system of claim 2, wherein: the bottom of the inner side of the sealing cylinder (11) is fixedly provided with a contact switch b (16), and the bottom of the inner side of the sealing cylinder (11) is fixedly connected with the inner cylinder (12) through a spring b (17).

4. The large area 3D printing light source heat dissipation system as defined in claim 3, wherein: the output end of the contact switch a (14) is electrically connected with the input end of the heat dissipation fan (5), and the output end of the contact switch b (16) is electrically connected with the input end of the circulating water pump (7).

5. The large area 3D printing light source heat dissipation system of claim 1, wherein: the front surface of the shell (1) is provided with a heat dissipation hole (9) corresponding to the position of the heat dissipation fan (5).

6. The large area 3D printing light source heat dissipation system of claim 1, wherein: the front side of shell (1) inlays to establish and installs bee calling organ (23), and the input of bee calling organ (23) and the output electric connection of early warning module (22), bee calling organ (23) and external power supply electric connection.

7. The large area 3D printing light source heat dissipation system of claim 1, wherein: the heat-conducting plate (3) is fixedly connected with a plurality of radiating fins (4), and the plurality of radiating fins (4) are arranged at equal intervals in sequence.

Technical Field

The invention belongs to the technical field of 3D printing, and particularly relates to a large-area 3D printing light source cooling system.

Background

3D printing, which is a technique of constructing an object by using an adhesive material such as powdered metal or plastic and by using a digital model file as a basis and by using an adhesive material such as powdered metal or plastic and by printing layer by layer, is a technique of 3D printing, which is generally implemented by using a digital technical material printer, is usually used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and then is gradually used for directly manufacturing some products, and there are already parts printed by using this technique.

At present, carrying out the 3D and printing the in-process, but need utilize the bonding material when light source body solidification is printed, but the light source body can produce a large amount of heats after long-time work, and the heat is amassed and is reduced the life of light source body inside the light source body easily, causes melting once more of material after the solidification simultaneously, has certain influence to the printing finished product.

Disclosure of Invention

The invention aims to provide a large-area 3D printing light source heat dissipation system to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a large-area 3D printing light source heat dissipation system comprises a shell, wherein a light source body is embedded at the top of the shell, a plurality of heat conduction plates are fixedly connected to the bottom surface of the light source body in an equidistant arrangement mode, at least three heat dissipation fans are embedded and installed on the back surface of the shell, a heat dissipation water pipe is fixedly arranged on the bottom surface of the shell, the heat dissipation water pipe is arranged between the heat conduction plates in a bent mode, one end of the heat dissipation water pipe penetrates through the shell and is communicated with a circulating water pump installed on a cooling water tank, the circulating water pump is communicated with the inside of the cooling water tank through a water suction pipe, the cooling water tank is fixedly installed on the back surface of the shell, the other end of the heat dissipation water pipe is communicated with the inside of the cooling water tank, the inside of the light source body is communicated with the inside of a sealing barrel through a, the inside fixed circuit board that is equipped with in below that is located a sealed section of thick bamboo of shell, and be equipped with singlechip, time-recorder and early warning module on the circuit board respectively, temperature sensor's output and the input electric connection of singlechip, the output of singlechip and the input electric connection of time-recorder, the output of time-recorder and the input electric connection of early warning module, heat dissipation fan, circulating water pump, temperature sensor and circuit board respectively with external power supply electric connection.

By adopting the scheme, the heat conducting plate, the radiating fins, the radiating fan, the radiating water pipe, the circulating water pump, the cooling water tank and the radiating holes are arranged, the heat conducting plate and the radiating fins are utilized for natural radiation, when the heat accumulation is higher, the radiating fan is utilized for exhausting air, hot air in the shell is blown out through the radiating holes, meanwhile, the circulating water pump is utilized for pumping cooling water and the cooling water passes through the radiating water pipe, so that the air-cooled and water-cooled dual radiation is carried out on the light source body, the radiating effect of the light source body in work is improved, the service life of the light source body is effectively ensured, the material melting caused by overhigh temperature is avoided, the yield is improved, by arranging the communicating pipe, the sealing cylinder, the inner cylinder, the piston, the contact switch a, the spring a, the contact switch b and the spring b, the air in the sealing cylinder is, the air in the sealing cylinder is heated to expand to push the piston to move, when the piston moves and touches the contact switch a, the heat dissipation fan is started to work, when the heat continues to rise, the air continues to be heated and expands to push the inner cylinder to move, when the inner cylinder moves and touches the contact switch b, the circulating water pump is started to work, the heat dissipation fan and the circulating water pump can be respectively and automatically controlled to work according to the heat quantity, the using effect is good, the energy is saved, by arranging the temperature sensor, the singlechip, the timer, the early warning module and the buzzer, the temperature in the light source body is detected by the temperature sensor, the detected temperature information is led into the singlechip, when the temperature is in a high temperature state, the singlechip controls the timer to work, the timer starts a timing function, after a period of time, the temperature of the light source body is reduced to normal temperature after air cooling and water cooling, the singlechip controls the timer to stop timing, the temperature of the light source body is still kept at a high temperature after air cooling and water cooling, the early warning module controls the buzzer to work and give an alarm to remind a worker to stop working of the light source body or overhaul an air cooling or water cooling system, the self-checking function is achieved, and normal working of the light source body is effectively guaranteed.

What needs to be explained in the above scheme is:

the type of the heat radiation fan can be CF 22060; the model of the circulating water pump can be specifically JT-1000B; the type of the temperature sensor can be particularly SY 0111; the model of the contact switch a and the electric shock switch b can be MC-JSK; the type of the singlechip can be STM32F103RET6 specifically; the buzzer can be HND-2312 in type; the timer may be specifically AHC 15A.

As a preferred embodiment, an inner cylinder is movably connected in the sealing cylinder, a piston is movably connected in the inner cylinder, a contact switch a is fixedly installed at the bottom of the inner side of the inner cylinder, and the bottom of the inner side of the inner cylinder is fixedly connected with the piston through two springs a.

By adopting the scheme, the piston is pushed to move by the expansion of heated air, and then the piston contacts the contact switch a, so that the contact switch a controls the heat dissipation fan to start working to perform air cooling operation.

In a preferred embodiment, a contact switch b is fixedly mounted at the bottom inside the sealing cylinder, and the bottom inside the sealing cylinder is fixedly connected with the inner cylinder through a spring b.

By adopting the scheme, when the air continues to be heated and expanded and the inner cylinder is pushed to move, and after the inner cylinder moves and touches the contact switch b, the contact switch b controls the circulating water pump to start working to perform water cooling operation.

As a preferred embodiment, the output end of the contact switch a is electrically connected with the input end of the heat dissipation fan, and the output end of the contact switch b is electrically connected with the input end of the circulating water pump.

By adopting the scheme, the contact switch a and the contact switch b are utilized to respectively control the work of the heat dissipation fan and the circulating water pump.

As a preferred embodiment, the front surface of the housing is provided with heat dissipation holes corresponding to the positions of the heat dissipation fans.

By adopting the scheme, when the heat dissipation fan is started and generates wind power, the air with heat can be blown out just from the heat dissipation holes, and the heat dissipation effect is obvious.

As a preferred embodiment, a buzzer is embedded in one side of the front surface of the housing, an input end of the buzzer is electrically connected with an output end of the early warning module, and the buzzer is electrically connected with an external power supply.

By adopting the scheme, the buzzer works and gives an alarm to remind a worker to stop the light source body or overhaul the air cooling or water cooling system, so that the LED illuminating lamp has a self-checking function and effectively ensures the normal work of the light source body.

As a preferred embodiment, a plurality of radiating fins are fixedly connected to the heat conducting plate, and the plurality of radiating fins are sequentially arranged at equal intervals.

By adopting the scheme, the heat-conducting plate can be more quickly cooled through the arrangement of the cooling fins, and the heat-radiating effect is improved.

Compared with the prior art, the invention has the beneficial effects that:

according to the large-area 3D printing light source heat dissipation system, the heat conduction plate, the heat dissipation fins, the heat dissipation fan, the heat dissipation water pipe, the circulating water pump, the cooling water tank and the heat dissipation holes are arranged, natural heat dissipation is conducted through the heat conduction plate and the heat dissipation fins, when heat accumulation is high, the heat dissipation fan is used for exhausting air, hot air in the shell is blown out through the heat dissipation holes, meanwhile, the circulating water pump is used for pumping cooling water and enabling the cooling water to pass through the heat dissipation water pipe, so that double heat dissipation of air cooling and water cooling is conducted on the light source body, the heat dissipation effect of the light source body in working is improved, the service life;

the large-area 3D printing light source heat dissipation system is characterized in that the communication pipe, the sealing cylinder, the inner cylinder, the piston, the contact switch a, the spring a, the contact switch b and the spring b are arranged, the air in the sealing cylinder is communicated with the air in the light source body by the communication pipe, when the light source body works to generate heat so that the air temperature rises, the air in the sealing cylinder is also heated to expand at the moment so as to push the piston to move, after the piston moves and touches the contact switch a, the heat dissipation fan is started to work at the moment, when the heat continues to rise, the air continues to be heated to expand and push the inner cylinder to move, and after the inner cylinder moves and touches the contact switch b, the circulating water pump is started to work at the moment, so that the heat dissipation fan and the circulating water pump can be automatically controlled;

this large tracts of land 3D prints light source cooling system is through setting up temperature sensor, a single-chip microcomputer, the time-recorder, early warning module and bee calling organ, utilize temperature sensor to detect the inside temperature of light source body, and in the leading-in singlechip of the temperature information that will detect, single-chip microcomputer control time-recorder work when being in high temperature state, the time-recorder begins the timing function, after a period, after through air-cooling and water-cooling after light source body temperature decline to normal temperature, single-chip microcomputer control time-recorder stops timing, light source body temperature is still kept behind high temperature after air-cooling and water-cooling, early warning module control bee calling organ work and production warning this moment, remind the staff to stop light source body work or overhaul air-cooling or water-cooling system, self-checking function has, effectively guarantee the normal work of.

Drawings

FIG. 1 is a schematic cross-sectional view of the front view of the present invention;

FIG. 2 is a schematic view of the connection structure of the heat-dissipating water pipe and the cooling water tank according to the present invention;

FIG. 3 is a schematic view of a heat dissipation fan inside the housing according to the present invention;

FIG. 4 is a front view of the housing of the present invention;

FIG. 5 is an enlarged schematic view of the interior of the sealing cylinder according to the present invention;

FIG. 6 is a flow chart of the high temperature alarm of the present invention.

In the figure: 1. a housing; 2. a light source body; 3. a heat conducting plate; 4. a heat sink; 5. a heat dissipation fan; 6. a heat dissipation water pipe; 7. a water circulating pump; 8. a cooling water tank; 9. heat dissipation holes; 10. a communicating pipe; 11. a sealing cylinder; 12. an inner barrel; 13. a piston; 14. a contact switch a; 15. a spring a; 16. a contact switch b; 17. a spring b; 18. a circuit board; 19. a temperature sensor; 20. a single chip microcomputer; 21. a timer; 22. an early warning module; 23. a buzzer.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.

Referring to fig. 1-6, the present invention provides a large-area 3D printing light source heat dissipation system, which includes a housing 1, a light source body 2 is embedded in the top of the housing 1, a plurality of heat conduction plates 3 are fixedly connected to the bottom surface of the light source body 2, the heat conduction plates 3 are arranged at equal intervals, a plurality of heat dissipation fins 4 are fixedly connected to the heat conduction plates 3, and the plurality of heat dissipation fins 4 are sequentially arranged at equal intervals (see fig. 1); the heat-conducting plate 3 can be more quickly cooled through the arrangement of the cooling fins 4, and the heat-radiating effect is improved.

At least three heat dissipation fans 5 are embedded in the back of the housing 1, the output end of the contact switch a14 is electrically connected with the input end of the heat dissipation fan 5, and the output end of the contact switch b16 is electrically connected with the input end of the circulating water pump 7 (see fig. 1, 3 and 5); the operation of the heat radiation fan 5 and the operation of the circulating water pump 7 are controlled by a contact switch a14 and a contact switch b16 respectively.

The front surface of the shell 1 is provided with a heat radiation hole 9 (see figure 4) corresponding to the position of the heat radiation fan 5; when the heat dissipation fan 5 is started and generates wind power, air with heat can be just blown out from the heat dissipation holes 9, and the heat dissipation effect is obvious.

A heat dissipation water pipe 6 is fixedly arranged on the bottom surface of the shell 1, the heat dissipation water pipe 6 is arranged among the heat conduction plates 3 in a bent mode, one end of the heat dissipation water pipe 6 penetrates through the shell 1 and is communicated with a circulating water pump 7 arranged on a cooling water tank 8, the circulating water pump 7 is communicated with the inside of the cooling water tank 8 through a water pumping pipe, the cooling water tank 8 is fixedly arranged on the back surface of the shell 1, the other end of the heat dissipation water pipe 6 is communicated with the inside of the cooling water tank 8, the inside of the light source body 2 is communicated with the inside of a sealing cylinder 11 through a communicating pipe 10, the sealing cylinder 11 is fixedly arranged inside the shell 1, an inner cylinder 12 is movably connected inside the sealing cylinder 11, a piston 13 is movably connected inside the inner cylinder 12, a contact switch a14 is fixedly arranged at the bottom of the inner side of the inner cylinder 12, and; the air expands due to heat, thereby pushing the piston 13 to move, and the piston 13 contacts the contact switch a14, so that the contact switch a14 controls the heat dissipation fan 5 to start working, and air cooling is performed.

A contact switch b16 is fixedly installed at the bottom of the inner side of the sealing cylinder 11, and the bottom of the inner side of the sealing cylinder 11 is fixedly connected with the inner cylinder 12 through a spring b17 (see fig. 1 and 5); when the air continues to expand by heating and pushes the inner cylinder 12 to move, and when the inner cylinder 12 moves and touches the contact switch b16, the contact switch b16 controls the circulating water pump 7 to start working, so as to perform water cooling operation.

A temperature sensor 19 is fixedly installed inside the light source body 2, a circuit board 18 is fixedly arranged inside the shell 1 below the sealing barrel 11, a single chip microcomputer 20, a timer 21 and an early warning module 22 are respectively arranged on the circuit board 18, the output end of the temperature sensor 19 is electrically connected with the input end of the single chip microcomputer 20, the output end of the single chip microcomputer 20 is electrically connected with the input end of the timer 21, the output end of the timer 21 is electrically connected with the input end of the early warning module 22, the heat dissipation fan 5, the circulating water pump 7, the temperature sensor 19 and the circuit board 18 are respectively electrically connected with an external power supply, a buzzer 23 is embedded and installed on one side of the front surface of the shell 1, the input end of the buzzer 23 is electrically connected with the output end of the early warning module 22, and the buzzer 23 is electrically connected with the; utilize buzzer 23 work and produce the warning, remind the staff to stop light source body 2 work or overhaul air-cooled or water-cooled system, have the self-checking function, effectively ensure light source body 2's normal work.

When the heat dissipation device is used, the heat conduction plate 3 and the heat dissipation fins 4 are utilized for natural heat dissipation, the communicating pipe 10 is utilized to enable the air in the sealing cylinder 11 to be communicated with the air in the light source body 2, when the light source body 2 works to generate heat so as to enable the air temperature to rise, the air in the sealing cylinder 11 is also heated to expand at the moment so as to push the piston 13 to move, when the piston 13 moves and touches the contact switch a14, the heat dissipation fan 5 is started to work, when the heat continues to rise, the air continues to be heated and expands and pushes the inner cylinder 12 to move, when the inner cylinder 12 moves and touches the contact switch b16, the circulating water pump 7 is started to work, the heat dissipation fan 5 and the circulating water pump 7 can be respectively and automatically controlled to work according to the heat quantity, the using effect is good, energy is saved, the temperature sensor 19 is utilized to detect the temperature, when the LED lamp is in a high-temperature state, the single chip microcomputer 20 controls the timer 21 to work, the timer 21 starts a timing function, after a period of time, after the temperature of the light source body 2 is reduced to a normal temperature after air cooling and water cooling, the single chip microcomputer 20 controls the timer 21 to stop timing, after the temperature of the light source body 2 is still kept at the high temperature after the air cooling and water cooling, the early warning module 22 controls the buzzer 23 to work and generate an alarm to remind a worker to stop the work of the light source body 2 or overhaul an air cooling or water cooling system, the LED lamp has a self-checking function, and the normal work of the light source body 2.

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.