CN117731169A - Oven and ventilation and heat dissipation device thereof - Google Patents
Oven and ventilation and heat dissipation device thereof Download PDFInfo
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- CN117731169A CN117731169A CN202410120135.5A CN202410120135A CN117731169A CN 117731169 A CN117731169 A CN 117731169A CN 202410120135 A CN202410120135 A CN 202410120135A CN 117731169 A CN117731169 A CN 117731169A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 112
- 238000009423 ventilation Methods 0.000 title claims abstract description 18
- 239000000110 cooling liquid Substances 0.000 claims abstract description 103
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims description 108
- 238000010521 absorption reaction Methods 0.000 claims description 44
- 238000001816 cooling Methods 0.000 claims description 35
- 239000002826 coolant Substances 0.000 claims description 26
- 239000012530 fluid Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000008016 vaporization Effects 0.000 claims description 2
- 238000009834 vaporization Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The invention discloses an oven and a ventilation and heat dissipation device thereof, comprising an outer box body and an inner box body arranged in the outer box body, wherein a heat dissipation cavity is formed between the rear side wall of the inner box body and the rear side wall of the outer box body in a surrounding manner, the left side and the right side of the outer box body are provided with air suction holes and heat dissipation holes corresponding to the positions of the heat dissipation cavity, and the ventilation and heat dissipation device is arranged in the heat dissipation cavity; the ventilation and heat dissipation device comprises a mounting plate, wherein a plurality of heat dissipation mechanisms which are arranged at intervals, a cooling liquid tank connected with each heat dissipation mechanism and a fan mechanism which is arranged in the cooling liquid tank and is in transmission connection with each heat dissipation mechanism are arranged on the mounting plate; the heat dissipation mechanism is configured to intermittently drive the fan mechanism to generate heat dissipation airflow by absorbing heat generated by the oven; the cooling liquid tank is configured to provide cooling liquid to the heat dissipation mechanism; the invention effectively improves the heat dissipation effect, does not need additional power for driving, effectively reduces the energy consumption, and is more economical and environment-friendly.
Description
Technical Field
The invention relates to the technical field of ovens, in particular to a ventilation and heat dissipation device for an oven and the oven with the ventilation and heat dissipation device.
Background
At present, heat dissipation of an oven often causes convection air to be formed at a part needing heat dissipation inside the oven by arranging a motor-driven heat dissipation fan on an oven body so as to take away heat generated by heating components of the oven; on one hand, the heat dissipation mode directly conducts out the heat in the working area of the oven through the air flow, and the heat dissipation effect is low; on the other hand, the motor drives the cooling fan to rotate, and external power is additionally supplied, so that energy consumption is increased.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned drawbacks and providing a ventilating and heat dissipating device for an oven and an oven having the same.
In order to achieve the above object, the present invention is specifically as follows:
the invention provides a ventilation and heat dissipation device for an oven, which comprises a mounting plate, wherein a plurality of heat dissipation mechanisms which are arranged at intervals, a cooling liquid tank connected with each heat dissipation mechanism and a fan mechanism which is arranged in the cooling liquid tank and is in transmission connection with each heat dissipation mechanism are arranged on the mounting plate;
the heat dissipation mechanism is configured to intermittently drive the fan mechanism to generate heat dissipation airflow by absorbing heat generated by the oven; the coolant tank is configured to provide coolant to the heat dissipation mechanism.
Optionally, the heat dissipation mechanism comprises a heat absorption driving component arranged on the mounting plate and a liquid absorption conveying component arranged in the cooling liquid tank;
the heat absorption driving assembly is provided with an expansion cavity communicated with the cooling liquid tank and filled with cooling liquid, the liquid absorption conveying assembly is provided with a pump liquid cavity communicated with the cooling liquid tank, the heat absorption driving assembly is configured to drive the fan mechanism to work and spray cooling steam into the cooling liquid of the cooling liquid tank after generating cooling steam through heat absorption and vaporization of the cooling liquid in the expansion cavity, and the liquid absorption conveying assembly is configured to drive the cooling liquid of the cooling liquid tank to be sucked into the pump liquid cavity and pump the cooling liquid in the pump liquid cavity into the expansion cavity through the heat absorption driving assembly.
Optionally, the heat absorption driving assembly comprises a heat absorption pump body and a first piston penetrating through the heat absorption pump body in a sliding manner, the first piston is provided with a plug rod part and a piston part, the plug rod part penetrates through the liquid absorption conveying assembly and is connected with the fan mechanism in a unidirectional transmission manner, an expansion cavity is formed between the piston part and the heat absorption pump body in a surrounding manner, the first piston is provided with a first liquid channel capable of communicating the expansion cavity with the pump liquid cavity, and a first one-way valve is arranged in the first liquid channel; a return spring is connected between one side of the piston part, which is away from the expansion cavity, and the heat absorption pump body;
the heat absorption pump body is provided with a first interface, and the first interface is connected with a first steam pipe which extends into the cooling liquid tank below the liquid level of the cooling liquid.
Optionally, the liquid suction conveying assembly comprises a liquid suction pump body arranged in the cooling liquid tank and a second piston arranged in the liquid suction pump body in a sliding manner;
the second piston is sleeved on the plug rod part, a pump liquid cavity is formed by enclosing between the second piston and the liquid suction pump body, the liquid suction pump body is provided with a second interface communicated with the pump liquid cavity, a second one-way valve is arranged in the second interface, and the second interface is connected with a liquid inlet pipe which extends into the cooling liquid below the liquid level of the cooling liquid tank.
Optionally, an L-shaped push rod is arranged in the liquid suction pump, a communicating strip hole for communicating the liquid cavity of the pump with the first liquid channel is formed in the plug rod part, a cross arm of the push rod is positioned in the first liquid channel to drive the first one-way valve to open, and a longitudinal arm of the push rod penetrates through the communicating strip hole and is then fixed on the inner wall of the pressure relief pump body.
Optionally, the liquid absorbing and conveying assembly further comprises a buffer air bag connected to the liquid absorbing pump body, and the buffer air bag is communicated with the liquid pumping cavity.
Optionally, the fan mechanism comprises a bracket connected to the cooling liquid tank, a transmission shaft rotatably connected to the bracket and a fan blade rotor rotatably connected to one end of the bracket;
the fan blade rotor is in transmission connection with one end of the transmission shaft, and a unidirectional gear is fixedly sleeved on the transmission shaft corresponding to each heat dissipation mechanism; the plug rod part is provided with a tooth structure meshed with the unidirectional gear, and unidirectional transmission between the first piston and the transmission shaft is realized through the unidirectional gear.
Optionally, the ventilation and heat dissipation device further comprises at least one heat dissipation air bag arranged on the support, the heat dissipation air bag is connected with a second steam pipe, and the second steam pipe extends into the position above the liquid level of the cooling liquid in the cooling liquid tank.
Optionally, protrusions for increasing the heat dissipation area are uniformly distributed on the outer peripheral wall of the heat dissipation air bag.
The invention provides an oven, which comprises an outer box body and an inner box body arranged in the outer box body, wherein a heat dissipation cavity is formed between the rear side wall of the inner box body and the rear side wall of the outer box body in a surrounding manner, air suction holes and heat dissipation holes are formed in the left side and the right side of the outer box body, corresponding to the heat dissipation cavity, and the ventilation and heat dissipation device is arranged in the heat dissipation cavity.
The beneficial effects of the invention are as follows: when the air cooling device is actually used, the oven works to generate heat, the cooling liquid in the heat dissipation mechanism absorbs the heat, so that the heat dissipation and cooling effects are achieved, the absorbed heat is utilized to intermittently drive the fan mechanism to work, so that the fan mechanism sucks external cold air into the heat dissipation cavity through the air suction hole to conduct heat exchange, meanwhile, hot air in the heat dissipation cavity is discharged from the heat dissipation hole under the action of the fan mechanism, so that heat dissipation air flow is formed in the heat dissipation cavity, the heat dissipation effect is effectively improved, the driving is not needed, the energy consumption is effectively reduced, and the air cooling device is economical and environment-friendly.
Drawings
FIG. 1 is a schematic cross-sectional view of an oven of the present invention;
FIG. 2 is a schematic view of a portion of the structure of the oven of the present invention;
FIG. 3 is a schematic view of the ventilating and heat dissipating device of the present invention;
FIG. 4 is a schematic view of a ventilating and heat dissipating device according to another embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of the ventilating and heat dissipating device of the present invention;
FIG. 6 is a schematic view of a portion of the structure of the ventilating and heat dissipating device of the present invention;
reference numerals illustrate: 10. an outer case; 20. an inner case; 30. a ventilation and heat dissipation device; 40. a heat dissipation cavity; 1. a mounting plate; 211. a heat absorbing pump body; 2121. a plug stem portion; 2122. a piston section; 2123. a first fluid path; 213. an expansion chamber; 214. a first one-way valve; 215. a return spring; 216. a first steam pipe; 221. a liquid suction pump body; 222. a second piston; 223. a pump liquid cavity; 224. a second one-way valve; 225. a liquid inlet pipe; 226. a push rod; 227. a buffer air bag; 3. a cooling liquid tank; 41. a bracket; 42. a transmission shaft; 43. a fan blade rotor; 44. a one-way gear; 5. a heat dissipation air bag; 6. and a second steam pipe.
Detailed Description
The invention will now be described in further detail with reference to the drawings and the specific embodiments, without limiting the scope of the invention.
As shown in fig. 1 to 6, the oven according to the present embodiment includes an outer case 10 and an inner case 20 installed in the outer case 10, wherein a heat dissipation cavity 40 is formed between a rear sidewall of the inner case 20 and a rear sidewall of the outer case 10, and air suction holes and heat dissipation holes are provided at positions corresponding to the heat dissipation cavities 40 on the left and right sides of the outer case 10;
the cooling device comprises a cooling cavity 40, a ventilation and heat dissipation device 30 arranged in the cooling cavity 40, and the ventilation and heat dissipation device 30 comprises a mounting plate 1 arranged in the cooling cavity 40 of the oven, specifically, the mounting plate 1 is arranged on the rear side wall of the inner box body 20, and a plurality of cooling mechanisms which are arranged at intervals, a cooling liquid tank 3 connected with each cooling mechanism and a fan mechanism which is arranged in the cooling liquid tank 3 and is in transmission connection with each cooling mechanism are arranged on the mounting plate 1;
the heat dissipation mechanism is configured to intermittently drive the blower mechanism to draw outside air into the heat dissipation cavity 40 by absorbing heat generated by the oven; the coolant tank 3 is configured to supply coolant to the heat radiating mechanism. The number of the heat dissipation mechanisms can be two, three or more than three, and the heat dissipation mechanisms can be freely set according to actual design requirements; the number of heat dissipation mechanisms is set to three as in the present embodiment.
Specifically, when the oven is actually used, the oven works to generate heat, the cooling liquid in the heat dissipation mechanism absorbs the heat, so that the heat dissipation and cooling effects are achieved, the fan mechanism is driven to work intermittently by the absorbed heat, the fan mechanism sucks external cold air into the heat dissipation cavity 40 through the air suction hole to perform heat exchange, meanwhile, hot air in the heat dissipation cavity 40 is discharged from the heat dissipation hole under the action of the fan mechanism, so that heat dissipation airflow is formed in the heat dissipation cavity 40, the heat dissipation effect is effectively improved, extra power is not needed to drive, the energy consumption is effectively reduced, and the oven is economical and environment-friendly.
As shown in fig. 1 to 6, an oven according to the present embodiment, in some embodiments, the heat dissipation mechanism includes a heat absorption driving assembly provided on the mounting plate 1 and a liquid absorption conveying assembly provided in the cooling liquid tank 3;
the heat absorption driving assembly is provided with an expansion cavity 213 communicated with the cooling liquid tank 3 and filled with cooling liquid, the liquid absorption conveying assembly is provided with a pump liquid cavity 223 communicated with the cooling liquid tank 3, the heat absorption driving assembly is configured to drive a fan mechanism to work after cooling liquid is gasified through heat absorption of the cooling liquid in the expansion cavity 213 to generate cooling steam and spray the cooling steam into the cooling liquid in the cooling liquid tank 3, and the liquid absorption conveying assembly is configured to drive the cooling liquid in the cooling liquid tank 3 to be sucked into the pump liquid cavity 223 and pump the cooling liquid in the pump liquid cavity 223 into the expansion cavity 213 through the heat absorption driving assembly.
Specifically, the heat absorbing driving assembly absorbs heat generated by the oven, so that the cooling liquid in the expansion cavity 213 is heated, and thereby the rear side wall of the inner box 20 is cooled, the cooling effect is achieved, and the rear side wall of the inner box 20 is prevented from being too high in temperature; the cooling liquid in the expansion cavity 213 is gasified after being heated, the volume of the cooling liquid is expanded, cooling steam is generated, so that a fan mechanism is driven to work, meanwhile, the pressure of the cooling liquid in the expansion cavity 213 is increased under the driving of the heat absorption driving component in the pump liquid cavity 223 of the liquid absorption conveying component until the cooling steam in the expansion cavity 213 enters the cooling liquid box 3 when the expansion cavity 213 is communicated with the cooling liquid box 3, the cooling steam enters the cooling liquid and then is subjected to heat exchange cooling liquefaction with the cooling liquid in the cooling liquid box 3, and when the expansion cavity 213 is communicated with the pump liquid cavity 223, the cooling liquid in the pump liquid cavity 223 is conveyed into the expansion cavity 213, and the temperature of the cooling liquid newly flowing into the expansion cavity 213 is lower, so that the temperature in the expansion cavity 213 is reduced, the volume of the condensate steam in the expansion cavity 213 is reduced, meanwhile, the pressure in the pump liquid cavity 223 is reduced, and the cooling liquid in the cooling liquid box 3 enters the pump liquid cavity 223; in this way, the expansion chamber 213 continuously and intermittently drives the blower mechanism to generate a cooling air flow by absorbing heat, thereby cooling the oven.
As shown in fig. 1 to 6, in some embodiments, the heat absorbing driving assembly includes a heat absorbing pump body 211 and a first piston slidably penetrating through the heat absorbing pump body 211, the first piston has a plug rod portion 2121 and a piston portion 2122, the plug rod portion 2121 penetrates through the liquid absorbing conveying assembly and is connected with the blower mechanism in a unidirectional transmission manner, an expansion cavity 213 is formed between the piston portion 2122 and the heat absorbing pump body 211 in a surrounding manner, the first piston is provided with a first liquid channel 2123 capable of communicating the expansion cavity 213 with the pump liquid cavity 223, and a first check valve 214 is arranged in the first liquid channel 2123; a return spring 215 is connected between the side of the piston 2122 facing away from the expansion chamber 213 and the heat absorbing pump body 211;
the heat absorption pump body 211 is provided with a first interface to which a first steam pipe 216 extending into the coolant level of the coolant tank 3 is connected.
Specifically, the heat absorbing pump body 211 penetrates through the mounting plate 1 and the rear side wall of the inner case 20, so as to rapidly conduct heat of the inner case 20; the plug rod part 2121 of the first piston penetrates through the heat absorption pump body 211, the front side wall of the cooling liquid tank 3, the liquid suction conveying assembly and the rear side wall of the cooling liquid tank 3 and is in transmission connection with the fan mechanism; in actual use, heat absorption pump body 211 absorbs heat and transfers the heat to the cooling liquid in expansion cavity 213, the cooling liquid is gasified by heating, volume expansion is carried out, cooling steam is generated, first piston is pushed to compress return spring 215 and move backwards, the effective volume of expansion cavity 213 is increased, plug rod portion 2121 of the first piston synchronously drives fan mechanism to work in the process of moving backwards, thereby generating heat radiation air flow in heat radiation cavity 40, when piston portion 2122 of the first piston moves to enable the first interface to be communicated with expansion cavity 213, high-pressure cooling steam generated in expansion cavity 213 is led to the cooling liquid in cooling liquid tank 3 through the first interface and first steam pipe 216, because first steam pipe 216 extends to be below the liquid level of the cooling liquid, high-pressure cooling steam enters the cooling liquid and then carries out heat exchange cooling liquefaction with the cooling liquid in cooling liquid tank 3, plug rod portion 2121 of the first piston drives liquid suction conveying assembly to work, when first one-way valve 214 is opened, first piston moves to first liquid channel 2123 enables first liquid channel 2123 to be communicated with expansion cavity 213 to enable the cooling liquid in pump 213 to form high-pressure cooling liquid, and the volume of cooling liquid in cooling liquid tank 213 is reduced, and the volume of cooling liquid in expansion cavity 213 is reduced, thereby reducing the volume of cooling liquid in expansion cavity 213 is reduced by the first piston rod portion 2121; the expansion chamber 213 absorbs heat of the inner case 20 through the heat absorbing pump body 211, and drives the first piston to perform heat dissipation and cooling on the inner case 20 in the reciprocating process.
As shown in fig. 1, 5 and 6, in some embodiments, the liquid suction delivery assembly includes a liquid suction pump 221 disposed in the coolant tank 3 and a second piston 222 slidably disposed in the liquid suction pump 221;
the second piston 222 is sleeved on the plug rod 2121, a pump liquid cavity 223 is formed by enclosing between the second piston 222 and the liquid suction pump body 221, the liquid suction pump body 221 is provided with a second interface communicated with the pump liquid cavity 223, a second one-way valve 224 is arranged in the second interface, and the second interface is connected with a liquid inlet pipe 225 extending into the cooling liquid below the liquid level of the cooling liquid tank 3.
Specifically, when the first piston moves backward, the piston rod 2121 of the first piston drives the second piston 222 to move backward, the second piston 222 reduces the effective volume of the pump liquid cavity 223, so that high-pressure cooling liquid is formed in the pump liquid cavity 223, and when the first check valve 214 is opened, the high-pressure cooling liquid enters the expansion cavity 213 through the first liquid channel 2123, so that the expansion cavity 213 is supplemented with cooling liquid to absorb heat of the inner box 20; when the first piston moves forward, the piston rod 2121 of the first piston drives the second piston 222 to move forward, the second piston 222 increases the effective volume of the pump liquid cavity 223, the second one-way valve 224 is opened, so that the cooling liquid in the cooling liquid tank 3 is sucked into the pump liquid cavity 223 through the liquid inlet pipe 225 and the second interface, and in the process of reciprocating movement of the first piston, the pump liquid cavity 223 pumps the cooling liquid into the expansion cavity 213 to supplement the cooling liquid in the expansion cavity 213, and the cooling liquid in the cooling liquid tank 3 is sucked, so that the cooling liquid circulates in the cooling liquid tank 3, the pump liquid cavity 223 and the expansion cavity 213, and the inner tank 20 is cooled continuously.
As shown in fig. 5, in some embodiments, an L-shaped push rod 226 is disposed in the liquid suction pump 221, a communicating bar hole is formed in the plug rod 2121 to communicate the liquid suction cavity 223 with the first liquid channel 2123, a cross arm of the push rod 226 is disposed in the first liquid channel 2123 to drive the first check valve 214 to open, and a longitudinal arm of the push rod 226 penetrates through the communicating bar hole and is fixed on an inner wall of the pressure release pump. Specifically, the first check valve 214 is disposed at the center of the piston portion 2122, and when the first piston moves backward to bring the push rod 226 into contact with the first check valve 214, the push rod 226 pushes the first check valve 214 open as the first piston moves backward further, so that the first liquid passage 2123 communicates with the expansion chamber 213, and the high-pressure cooling liquid in the pump liquid chamber 223 enters the expansion chamber 213 through the communicating strip hole and the first liquid passage 2123, thereby replenishing the expansion chamber 213 with the cooling liquid. By providing the push rod 226 to ensure that the first check valve 214 can be opened to ensure the delivery of the cooling fluid between the expansion chamber 213 and the pumping chamber 223, the structural reliability is higher.
As shown in fig. 6, in some embodiments, the liquid delivery assembly further includes a buffer balloon 227 connected to the liquid pump body 221, wherein the buffer balloon 227 is in communication with the liquid pump chamber 223. In the embodiment, the buffer air bag 227 is arranged, so that when the first piston moves backwards, the second piston 222 presses the cooling liquid in the liquid pumping cavity 223 into the buffer air bag 227, so that the first piston has a larger backward movement stroke, the space occupation in the length direction of the liquid pumping body 221 is reduced, and the structure is more compact; as the first piston advances, the high pressure coolant within the buffer bladder 227 is pumped into the expansion chamber 213 through the first fluid passage 2123.
As shown in fig. 1 to 6, in some embodiments, the fan mechanism includes a bracket 41 connected to the coolant tank 3, a transmission shaft 42 rotatably connected to the bracket 41, and a fan blade rotor 43 rotatably connected to one end of the bracket 41;
the fan blade rotor 43 is in transmission connection with one end of the transmission shaft 42, and a unidirectional gear 44 is fixedly sleeved on the transmission shaft 42 corresponding to each heat dissipation mechanism; the stopper rod 2121 is provided with a tooth structure engaged with the one-way gear 44, and one-way transmission between the first piston and the transmission shaft 42 is achieved by the one-way gear 44.
Specifically, when the first piston moves backward, the tooth structure of the plug rod portion 2121 drives the unidirectional gear 44 to rotate forward, the unidirectional gear 44 drives the transmission shaft 42 to rotate, and the transmission shaft 42 drives the fan blade rotor 43 to rotate, so that external cold air enters the heat dissipation cavity 40 through the air suction hole to perform heat exchange, and meanwhile, hot air in the heat dissipation cavity 40 is discharged to the outside through the heat dissipation hole, so that heat dissipation airflow is formed, and ventilation and heat dissipation are further performed on the oven, and meanwhile, heat dissipation is performed on the cooling liquid tank 3; when the first piston moves forward, the plug rod 2121 drives the unidirectional gear 44 to rotate reversely, and the unidirectional gear 44 does not transmit power to the transmission shaft 42 due to unidirectional transmission characteristics of the unidirectional gear 44, namely, the unidirectional gear 44 idles, so that the first piston intermittently drives the fan blade rotor 43 to rotate.
In some embodiments, the heat conductivity of the heat absorbing pump body 211 increases in a gradient along the length of the mounting plate 1. Specifically, as the plug rod portion 2121 of the first piston is meshed with the unidirectional gear 44, and the heat conductivity coefficient of the heat absorption pump body 211 of the heat absorption driving assembly is in gradient distribution, the reciprocating motion frequency of the first piston of each heat absorption driving assembly is staggered, so that the reciprocating motion of the first piston is continuously converted into continuous unidirectional rotation of the transmission shaft 42 through the unidirectional gear 44, and the fan blade patent can be driven to continuously suck external cold air into the heat dissipation cavity 40 for heat exchange, so that continuous heat dissipation airflow can be generated in the heat dissipation cavity 40, ventilation heat dissipation efficiency is further improved, and heat dissipation effect is better.
As shown in fig. 1 to 6, in some embodiments, the ventilation and heat dissipation device 30 further includes at least one heat dissipation air bag 5 disposed on the support 41, where the heat dissipation air bag 5 is connected to a second steam pipe 6, and the second steam pipe 6 extends above the liquid level of the cooling liquid in the cooling liquid tank 3. Preferably, the number of the heat dissipation air bags 5 is two, and the two heat dissipation air bags 5 are arranged on the bracket 41 side by side at intervals. In the in-service use, when the coolant liquid temperature in coolant tank 3 is too high, the pressure in coolant tank 3 is increased by the cooling steam that produces in coolant tank 3, because heat dissipation gasbag 5 communicates with coolant tank 3 through second steam pipe 6, the cooling steam in coolant tank 3 gets into heat dissipation gasbag 5 through second steam pipe 6 back, transfer the heat for the air in the heat dissipation chamber 40 under the great surface area effect of heat dissipation gasbag 5, the cooling steam in heat dissipation gasbag 5 is cooled down the liquefaction back and is flowed back to coolant tank 3 through second steam pipe 6, the radiating effect of coolant tank 3 has been strengthened, make the liquid coolant in coolant tank 3 keep lower temperature, improve the work efficiency and the cooling effect of whole set of device.
In some embodiments, protrusions for increasing the heat dissipation area are uniformly distributed on the outer peripheral wall of the heat dissipation air bag 5. In this embodiment, the protrusions are provided to increase the heat dissipation area of the heat dissipation air bag 5, so that the cooling steam in the heat dissipation air bag 5 can quickly exchange heat with the air in the heat dissipation cavity 40 to cool and liquefy.
In some embodiments, the unidirectional gear 44 includes an outer gear and an inner ratchet wheel rotatably disposed in the outer gear, the inner ratchet wheel and the outer gear are in unidirectional transmission through an elastic pawl, the inner ratchet wheel is fixedly sleeved on the transmission shaft 42, and the outer gear is meshed with the tooth structure of the plug rod portion 2121.
In actual use, when the tooth structure of the plug rod 2121 drives the outer gear to rotate forward, the outer gear drives the inner ratchet wheel to rotate through the elastic pawl, and the inner ratchet wheel drives the transmission shaft 42 to rotate, so that the fan blade rotor 43 is driven to rotate and suck external cold air into the heat dissipation cavity 40 for heat exchange; when the tooth structure of the plug rod 2121 drives the outer gear to reversely rotate, the outer gear idles, and the elastic pawl cuts off power transmission between the inner gear and the outer gear, so that unidirectional transmission is realized.
In some embodiments, the fan blade rotor 43 and the transmission shaft 42 are in transmission connection through a synchronous pulley set, so as to realize power transmission between the fan blade rotor 43 and the transmission shaft 42.
The foregoing description is only one preferred embodiment of the invention, and therefore all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the invention are intended to be embraced therein.
Claims (10)
1. The ventilating and heat dissipating device for the oven is characterized by comprising a mounting plate, wherein a plurality of heat dissipating mechanisms which are arranged at intervals, a cooling liquid tank connected with each heat dissipating mechanism and a fan mechanism which is arranged in the cooling liquid tank and is in transmission connection with each heat dissipating mechanism are arranged on the mounting plate;
the heat dissipation mechanism is configured to intermittently drive the fan mechanism to generate heat dissipation airflow by absorbing heat generated by the oven; the coolant tank is configured to provide coolant to the heat dissipation mechanism.
2. The ventilating and heat dissipating apparatus for an oven of claim 1, wherein the heat dissipating mechanism comprises a heat absorbing drive assembly provided to the mounting plate and a liquid absorbing transport assembly provided in the coolant tank;
the heat absorption driving assembly is provided with an expansion cavity communicated with the cooling liquid tank and filled with cooling liquid, the liquid absorption conveying assembly is provided with a pump liquid cavity communicated with the cooling liquid tank, the heat absorption driving assembly is configured to drive the fan mechanism to work and spray cooling steam into the cooling liquid of the cooling liquid tank after generating cooling steam through heat absorption and vaporization of the cooling liquid in the expansion cavity, and the liquid absorption conveying assembly is configured to drive the cooling liquid of the cooling liquid tank to be sucked into the pump liquid cavity and pump the cooling liquid in the pump liquid cavity into the expansion cavity through the heat absorption driving assembly.
3. The ventilation and heat dissipation device for the oven according to claim 2, wherein the heat absorption driving assembly comprises a heat absorption pump body and a first piston penetrating through the heat absorption pump body in a sliding manner, the first piston is provided with a plug rod part and a piston part, the plug rod part penetrates through the liquid absorption conveying assembly and is connected with the fan mechanism in a one-way transmission manner, an expansion cavity is formed between the piston part and the heat absorption pump body in a surrounding manner, the first piston is provided with a first liquid channel capable of communicating the expansion cavity with the pump liquid cavity, and a first one-way valve is arranged in the first liquid channel; a return spring is connected between one side of the piston part, which is away from the expansion cavity, and the heat absorption pump body;
the heat absorption pump body is provided with a first interface, and the first interface is connected with a first steam pipe which extends into the cooling liquid tank below the liquid level of the cooling liquid.
4. A ventilating and heat dissipating apparatus for an oven according to claim 3, wherein the liquid suction delivery assembly comprises a liquid suction pump body disposed in the coolant tank and a second piston slidably disposed in the liquid suction pump body;
the second piston is sleeved on the plug rod part, a pump liquid cavity is formed by enclosing between the second piston and the liquid suction pump body, the liquid suction pump body is provided with a second interface communicated with the pump liquid cavity, a second one-way valve is arranged in the second interface, and the second interface is connected with a liquid inlet pipe which extends into the cooling liquid below the liquid level of the cooling liquid tank.
5. The ventilating and heat dissipating device for an oven according to claim 4, wherein the liquid suction pump is provided with an L-shaped push rod, the plug rod is provided with a communication strip hole for communicating the liquid suction cavity with the first liquid passage, the cross arm of the push rod is positioned in the first liquid passage to drive the first one-way valve to open, and the longitudinal arm of the push rod is fixed on the inner wall of the pressure relief pump body after penetrating through the communication strip hole.
6. The apparatus of claim 4, wherein the fluid delivery assembly further comprises a buffer bladder coupled to the fluid pump body, the buffer bladder in fluid communication with the pump chamber.
7. A ventilating and heat dissipating apparatus for an oven according to claim 3, wherein the blower mechanism comprises a bracket connected to the coolant tank, a transmission shaft rotatably connected to the bracket, and a fan blade rotor rotatably connected to one end of the bracket;
the fan blade rotor is in transmission connection with one end of the transmission shaft, and a unidirectional gear is fixedly sleeved on the transmission shaft corresponding to each heat dissipation mechanism; the plug rod part is provided with a tooth structure meshed with the unidirectional gear, and unidirectional transmission between the first piston and the transmission shaft is realized through the unidirectional gear.
8. The apparatus of claim 7, further comprising at least one heat sink bladder disposed on the support, the heat sink bladder coupled to a second steam tube extending above the coolant level of the coolant tank.
9. The ventilating and heat dissipating apparatus for an oven as claimed in claim 7, wherein the heat dissipating air bag has protrusions for increasing the heat dissipating area uniformly distributed on the outer peripheral wall thereof.
10. An oven, characterized in that the oven comprises an outer box body and an inner box body arranged in the outer box body, a heat dissipation cavity is formed between the rear side wall of the inner box body and the rear side wall of the outer box body in a surrounding manner, an air suction hole and a heat dissipation hole are arranged at positions, corresponding to the heat dissipation cavity, of the left side and the right side of the outer box body, and a ventilation heat dissipation device as claimed in any one of claims 1 to 9 is arranged in the heat dissipation cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410120135.5A CN117731169B (en) | 2024-01-29 | 2024-01-29 | Oven and ventilation and heat dissipation device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410120135.5A CN117731169B (en) | 2024-01-29 | 2024-01-29 | Oven and ventilation and heat dissipation device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117731169A true CN117731169A (en) | 2024-03-22 |
| CN117731169B CN117731169B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410120135.5A Active CN117731169B (en) | 2024-01-29 | 2024-01-29 | Oven and ventilation and heat dissipation device thereof |
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| CN (1) | CN117731169B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040040184A (en) * | 2002-11-06 | 2004-05-12 | 엘지전자 주식회사 | Cooling apparatus for electrical cooker |
| JP2011127879A (en) * | 2009-12-21 | 2011-06-30 | Aisin Seiki Co Ltd | Reciprocation type expansion compressor |
| CN102661641A (en) * | 2012-06-05 | 2012-09-12 | 牛舍 | Energy-recycling-type expansion valve |
| CN203939534U (en) * | 2014-06-13 | 2014-11-12 | 常成彪 | The two-stroke steam engine circulatory system |
| CN111653536A (en) * | 2020-05-22 | 2020-09-11 | 中国航空工业集团公司西安航空计算技术研究所 | Automatic phase change cooling system |
| CN114919174A (en) * | 2022-04-29 | 2022-08-19 | 南京铖联激光科技有限公司 | 3D print head cooling device |
| CN219289270U (en) * | 2023-04-12 | 2023-07-04 | 珠海魔笛手科技有限公司 | Heat dissipation channel for oven |
-
2024
- 2024-01-29 CN CN202410120135.5A patent/CN117731169B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040040184A (en) * | 2002-11-06 | 2004-05-12 | 엘지전자 주식회사 | Cooling apparatus for electrical cooker |
| JP2011127879A (en) * | 2009-12-21 | 2011-06-30 | Aisin Seiki Co Ltd | Reciprocation type expansion compressor |
| CN102661641A (en) * | 2012-06-05 | 2012-09-12 | 牛舍 | Energy-recycling-type expansion valve |
| CN203939534U (en) * | 2014-06-13 | 2014-11-12 | 常成彪 | The two-stroke steam engine circulatory system |
| CN111653536A (en) * | 2020-05-22 | 2020-09-11 | 中国航空工业集团公司西安航空计算技术研究所 | Automatic phase change cooling system |
| CN114919174A (en) * | 2022-04-29 | 2022-08-19 | 南京铖联激光科技有限公司 | 3D print head cooling device |
| CN219289270U (en) * | 2023-04-12 | 2023-07-04 | 珠海魔笛手科技有限公司 | Heat dissipation channel for oven |
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| CN117731169B (en) | 2024-05-28 |
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