CN203506447U - Food heating device - Google Patents

Abstract

The utility model is applicable to the technical field of electrical appliances, and provides a food heating device, which includes a furnace body, a casing part and an airflow generating part, the furnace body has an inner cavity, and the casing part is covered by the furnace body. The airflow generating part is arranged in the housing part, the airflow generating part has an air inlet and an air outlet, and the housing part is provided with a first cooling passage, a second cooling passage and a third cooling passage, so An air guide component for dividing the airflow at the air outlet to the first cooling channel, the second cooling channel and the third cooling channel is arranged in the housing part. The food heating device provided by the utility model, under the separation of the air guide parts, performs partitional cooling on the areas of the food heating device that need to be cooled, so that the components and areas that generate heat are uniformly and efficiently cooled, and the food heating device The efficiency is high, and it is beneficial to prolong the service life of the product, and the cost and power consumption of the product are low.

Description

food warmer

technical field

The utility model belongs to the technical field of electrical appliances, in particular to a food heating device. the

Background technique

Current food heating devices, such as microwave ovens, as cooking equipment for cooking food, usually have electronic and electrical components that generate microwaves and/or electric heating components that generate electric heating; and cooling devices that cool the electronic components or/and heating components system. the

However, the cooling system of the existing microwave ovens does not effectively divide the areas that need to be cooled in the microwave oven, and basically implements indiscriminate cooling, or does not actively guide the cooling air to the areas that need to be cooled. / and heating components for efficient cooling. Thus, the normal working state of the microwave oven is affected, its efficiency is reduced, and its service life is shortened. In the prior art, some microwave ovens have to use two or more blowers or fans for cooling, and the cost and power consumption of the product are high. the

Utility model content

The purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art and provide a food heating device with high efficiency, long service life, low product cost and low power consumption. the

The utility model is realized in the following way: a food heating device includes a furnace body, a shell part and an airflow generating part, the furnace body has an inner cavity, the shell part is covered with the furnace body, and the airflow The generating part is arranged in the housing part, the airflow generating part has an air inlet and an air outlet, and the housing part is provided with a first cooling passage, a second cooling passage and a third cooling passage, and the housing An air guide component for dividing the airflow at the air outlet to the first cooling channel, the second cooling channel and the third cooling channel is arranged in the component. the

Optionally, the air guide component is an air guide cover, the air guide cover has an air inlet and an air exhaust port, the air inlet of the air guide cover is aligned with the middle part of the air outlet, and the furnace body One side has an inner cavity air inlet, the other side of the furnace body has an inner cavity air outlet, the air exhaust port of the air guide cover is connected to the inner cavity air inlet, and the first cooling channel is formed in the inner cavity. The top of the air guide hood and the upper end of the furnace body are between the shell parts, the second cooling channel is formed inside the air guide cover and the inner cavity, and the third cooling channel is formed in the The lower part of the air guide hood and the lower end of the furnace body are between the shell parts. the

Optionally, a first air inlet and outlet separator is also provided in the housing part, the first air inlet and outlet separator is arranged at the upper end of the airflow generating part, the first air inlet and outlet separator has a first A cooling air outlet and a first cooling air inlet. the

Optionally, a second air inlet and outlet separator is also provided in the housing part, the second air inlet and outlet separator is arranged at the lower end of the airflow generating part, the second air inlet and outlet separator has a second A cooling air outlet and a second cooling air inlet. the

Optionally, the shell part includes a front plate, a rear plate, a bottom plate, a top plate, a first side plate and a second side plate enclosed by the furnace body; wherein, the front plate is attached to the furnace body The front end, the rear plate is attached to the rear end of the furnace body, the top plate is attached to the upper end of the furnace body, the bottom plate is arranged at a distance from the lower end of the furnace body, and the first side plate and One side of the furnace body is arranged at a distance, and the second side plate is arranged at a distance from the other side of the furnace body; the airflow generating component is arranged between one side of the furnace body and the first side plate between and close to the rear panel. the

Optionally, one or two or more of the top board, the bottom board, the rear board, and the first side board are provided with air inlet holes, and the air inlet holes are close to the airflow generating components; the upper part of the front board 1. One or two or more of the upper part of the rear plate, the upper part of the top plate or the second side plate are provided with a first cooling channel air outlet; the lower part of the front plate, the bottom plate 1. The lower part of the rear panel, the side middle part of the rear panel, and one or two or more locations of the second side panel are provided with air outlet holes of the second and third cooling passages. the

Optionally, the first side panel, the second side panel and the top panel are integrally bent and formed. the

Optionally, the food heating device is a microwave oven. the

Optionally, a heating component is provided on the top surface of the furnace body. the

Optionally, a frequency converter or a transformer is provided in the second cooling channel, and a magnetron is provided in the third cooling channel; or, a magnetron is provided in the second cooling channel, and a magnetron is provided in the third cooling channel. A frequency converter or a transformer is arranged in the cooling channel. the

In the food heating device provided by the utility model, under the separation of the air guide part, the cooling airflow generated by the airflow generating part can be divided into the first cooling channel, the second cooling channel and the third cooling channel, so as to meet the needs of the food heating device. The cooling area is cooled by partitions, and the cooling airflow is actively guided to flow through the components and areas with relatively concentrated heat generation, so that the components and areas with relatively concentrated heat generation can be cooled evenly and efficiently, which is conducive to ensuring the normal operation of the food heating device. Food heating device The efficiency is high, and it is beneficial to prolong the service life of the product, and there is no need to install two or more fans, the structure is compact, the cooling efficiency is high, and the cost and power consumption of the product are low. the

Description of drawings

Figure 1 is a three-dimensional exploded schematic diagram of a food heating device provided by an embodiment of the present invention;

Fig. 2 is another three-dimensional exploded schematic view of the food heating device provided by the embodiment of the present invention;

Fig. 3 is a three-dimensional schematic diagram of the airflow generating part, the wind guide cover, the first air inlet and outlet separator and the second air inlet and outlet separator in the food heating device provided by the embodiment of the utility model;

Fig. 4 is a three-dimensional exploded schematic diagram of the airflow generating component, the wind guide cover, the first air inlet and outlet separator and the second air inlet and outlet separator in the food heating device provided by the embodiment of the present invention. the

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model. the

The food heating device provided by the embodiment of the utility model may be a microwave oven or an oven. In this embodiment, a microwave oven is taken as an example. the

As shown in Figures 1 and 2, the above-mentioned food heating device includes a furnace body 010, a casing part (not shown in the figure) and an airflow generating part 030, and the airflow generating part 030 can be a fan or a fan 031. The furnace body 010 has an inner cavity (not shown in the figure) for accommodating food, and the shell part is covered outside the furnace body 010 . The airflow generating part 030 is disposed in the housing part, and the airflow generating part 030 has an air inlet (not shown in the figure) and an air outlet (not shown in the figure). A first cooling channel (not marked in the figure), a second cooling channel (not marked in the figure) and a third cooling channel (not marked in the figure) are arranged in the housing part. An air guiding component 050 for splitting the airflow at the air outlet to the first cooling channel, the second cooling channel and the third cooling channel is arranged inside the housing part. Under the separation of the air guide part 050, the cooling airflow generated by the airflow generating part 030 can be divided into the first cooling channel, the second cooling channel and the third cooling channel, so as to perform zone cooling on each area of the food heating device that needs to be cooled. Guide the cooling airflow to flow through the components and areas with relatively concentrated heat respectively, so that the components and areas with relatively concentrated heat can be cooled uniformly and efficiently, which is conducive to ensuring the normal operation of the food heating device. The service life is longer, and there is no need to set two or more fans, the structure is compact, the cooling efficiency is high, and the cost and power consumption of the product are low. the

It can be understood that the fourth cooling channel, the fifth cooling channel, etc. can also be added as required, and the passage or number of the air guide member 050 can be increased accordingly. the

It can be understood that the first cooling passage, the second cooling passage and the third cooling passage, these three passages do not necessarily only respectively correspond to the upper, middle and lower regions of the furnace body 010 for cooling, but can be any three required for the microwave oven. The cooled area is cooled. the

It should be noted that the orientation terms such as up, down, front, and back in this embodiment are only relative concepts or refer to the normal use state of the product, and should not be regarded as limiting. the

Specifically, as shown in FIG. 1 , the air guide member 050 is an air guide cover 051, and the air guide cover 051 has an air inlet and an air exhaust port. Enter the air inlet of the air guide cover 051 and flow through the second cooling passage, the airflow at the upper part of the air outlet flows through the first cooling passage, and the airflow at the lower part of the air outlet flows through the third cooling passage. Only one fan or fan 031 is required. The air cover 051 can realize two-way or multi-way shunting, and the shunting effect is good. Certainly, the air guiding component 050 may also be an air guiding plate, an air guiding pipe, and the like. the

Specifically, as shown in Figures 1 and 2, one side of the furnace body 010 has an inner cavity air inlet, the other side of the furnace body 010 has an inner cavity air outlet, and the air exhaust port of the wind guide cover 051 is connected to the inner cavity air inlet. The air outlet, the cooling air flow in the second cooling channel enters the inner cavity from one side of the inner cavity through the air guide cover 051, and is discharged from the inner cavity air outlet on the other side of the inner cavity, and then discharged from the housing components. the

Specifically, as shown in Fig. 1 and Fig. 2, the first cooling passage is formed above the wind guide cover 051 and between the upper end of the furnace body 010 and the shell components, and the air flow can flow through the top of the furnace body 010, and the furnace body 010 effective cooling above. the

Specifically, as shown in Figures 1 and 2, the second cooling channel is formed inside the air guide 051 and the inner cavity, and the third cooling channel is formed under the air guide 051 and between the lower end of the furnace body 010 and the shell components , the airflow can flow through the bottom of the furnace body 010 to effectively cool the bottom of the furnace body 010 . The first cooling channel is a top cooling channel, the second cooling channel is a middle cooling channel, and the third cooling channel is a bottom cooling channel. the

Specifically, as shown in Figures 1 and 2, the housing components include a front plate 013, a rear plate 011, a bottom plate 070, a top plate 123, a first side plate 121, and a second side plate 122 enclosed in the furnace body 010; In the example, the front plate 013 is the position where the door body is located, the front plate 013 and the rear plate 011 are relatively arranged at the front and rear ends of the furnace body 010, and the first side plate 121 and the second side plate 122 are respectively arranged at the left and right sides of the furnace body 010. On the side, the top plate 123 and the bottom plate 070 are respectively arranged on the upper and lower sides of the furnace body 010 . Wherein, the front plate 013 is attached to the front end of the furnace body 010, the rear plate 011 is attached to the rear end of the furnace body 010, the bottom plate 070 is arranged at a distance from the lower end of the furnace body 010, and the top plate 123 is attached to the upper end of the furnace body. One side plate 121 is set at a distance from one side of the furnace body 010, and the second side plate 122 is set at a distance from the other side of the furnace body 010; the airflow generating part 030 is set between one side of the furnace body 010 and the first side plate 121 And close to the rear panel 011. the

As shown in FIGS. 1 to 4 , the housing part is provided with air inlet holes 101 near the airflow generating part 030 , and the number and arrangement of the air inlet holes 101 can be set as required. Specifically, one or two or more of the top plate 123 , the bottom plate 070 , the rear plate 011 , and the first side plate 121 are provided with air inlet holes 101 , and the air inlet holes 101 are close to the airflow generating component 030 . the

Specifically, as shown in FIGS. 1 to 4 , one or two or more of the top of the front plate 013, the top of the rear plate 011, the top plate 123 or the top of the second side plate 122 are provided with first cooling passages. Air outlet hole 102; the lower part of the front plate 013, the lower part of the bottom plate 070, the lower part of the rear plate 011, the side middle part of the rear plate 011, and one or two or more places of the second side plate 122 are provided with the second and third cooling channel outlets Wind hole 102. The quantity and arrangement of the air outlet holes 102 can be set as required. the

Specifically, as shown in FIG. 1 , the first side panel 121 , the second side panel 122 and the top panel 123 are integrally bent and formed to form the outer cover 120 . the

Specifically, as shown in FIGS. 1 to 4 , a first air inlet and outlet separator 020 is also provided in the housing part, and the first air inlet and outlet separator 020 is located in the first cooling channel and is close to the air inlet of the housing part. The first air inlet and outlet separator 020 is used to isolate the air inlet and outlet of the fan or fan 031 . The first air inlet and outlet separator 020 is disposed at the upper end of the airflow generating part 030 , and the first air inlet and outlet separator 020 has a first cooling air outlet 021 and a first cooling air inlet 022 . the

Specifically, as shown in FIG. 1 , a second air inlet and outlet separator 060 is also provided in the housing part. The second air inlet and outlet separator 060 is located in the third cooling channel and is close to the air inlet of the housing part. The wind separator 060 is used for isolating the air inlet and outlet of the fan or fan 031 . The second air inlet and outlet separator 060 is disposed at the lower end of the airflow generating part 030 , and the second air inlet and outlet separator 060 has a second cooling air outlet (not shown in the figure) and a second cooling air inlet 062 . the

As shown in Figures 1 to 4, the upper part of the fan or fan 031 enters the air directly from the rear panel 011 or/and the air inlet hole 101 on the outer cover, or directly enters the fan or fan 031 through the rear panel 011 or/and as required The air inlet hole 101 on the outer cover passes through the first cold and hot air separator and then enters the fan or the fan 031. The air intake from the bottom of the blower fan or the fan 031 can enter the fan or the fan 031 through the air inlet hole 101 on the base plate 070, the rear plate 011 or/and the outer cover, and also can pass through the inlet hole on the base plate 070, the rear plate 011 or/and the outer cover as required. After the air hole 101, it passes through the second hot and cold air separator and then enters the fan or fan 031. the

Specifically, as shown in FIG. 1 , a heating component 110 may be provided on the top surface of the furnace body 010 as required. the

Specifically, as shown in FIG. 1, a frequency converter 040 or a transformer is arranged in the second cooling passage, and a magnetron 080 is arranged in the third cooling passage; or, a magnetron 080 is arranged in the second cooling passage, and a magnetron 080 is arranged in the third cooling passage. A frequency converter 040 or a transformer is arranged in the cooling channel. the

In the food heating device provided by the utility model, the cooling air channel coming out from the blower fan or fan 031 is forcibly divided into three parts by the wind guide cover 051 installed at the air outlet of the blower fan or fan 031, including the top cooling passage (i.e. the first cooling channel), the middle cooling channel (that is, the second cooling channel) and the bottom cooling channel (that is, the third cooling channel); the air in the top cooling channel comes out from above the air guide cover 051 and passes through the cooling of the upper first cold and hot air separator Air outlet, after cooling the top surface of the furnace body 010 with or without the heating element 110 installed, it is discharged through the air outlet 102 on the upper part of the front plate 013, the upper part of the rear plate 011, the top surface of the outer cover 1 or the upper part of the side; the middle part is cooled The air in the path passes through the air guide cover 051 to cool the electronic component frequency converter 040 arranged near the blower fan or fan 031, and then is introduced into the cooking chamber (inner cavity) of the body of heater 010 by the air guide cover 051 to cool the inside of the cooking chamber, and then Come out from the other side of the cooking chamber, and discharge through the air outlet 102 on the lower part of the front plate 013, the bottom plate 070, the lower part of the rear plate 011 or/and the side middle, and the side of the outer cover; After cooling the magnetron 080 near the blower fan or the fan 031, pass through the bottom of the body of furnace 010 from the lower part of the front plate 013, the lower part of the base plate 070, the lower part of the rear plate 011 or/and the air outlet 102 on the side middle part and the side of the outer cover discharge. the

The electronic component arranged near the fan or fan 031 in the middle cooling passage is, for example, the frequency converter 040 , while the electronic component arranged near the fan or fan 031 in the bottom cooling passage is a magnetron 080 . the

The electronic component arranged near the fan or fan 031 in the middle cooling passage is, for example, a magnetron 080 , while the electronic component arranged near the fan or fan 031 in the bottom cooling passage is a frequency converter 040 or a transformer. the

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements or improvements made within the spirit and principles of the present utility model should be included in the utility model. within the scope of protection. the

Claims (10)

1. an apparatus for heating food, comprise body of heater, the gentle stream production part of housing parts, described body of heater has inner chamber, described housing parts covers at described body of heater, described air-flow production part is arranged in described housing parts, described air-flow production part has air inlet and air outlet, it is characterized in that, in described housing parts, be provided with the first cooling duct, the second cooling duct and the 3rd cooling duct, in described housing parts, be provided with for by the airflow diversion at described air outlet place to described the first cooling duct, the wind guide component of the second cooling duct and the 3rd cooling duct.

2. apparatus for heating food as claimed in claim 1, it is characterized in that, described wind guide component is wind scooper, described wind scooper has air intake vent and exhaust outlet, the air intake vent of described wind scooper is in alignment with the middle part of described air outlet, one side of described body of heater has inner chamber air inlet, the opposite side of described body of heater has inner chamber air outlet, the exhaust outlet of described wind scooper is communicated in described inner chamber air inlet, described the first cooling duct is formed at the top of described wind scooper and described body of heater upper end between described housing parts, described the second cooling duct is formed at described wind scooper inside and described inner chamber, described the 3rd cooling duct is formed at the below of described wind scooper and described body of heater lower end between described housing parts.

3. apparatus for heating food as claimed in claim 1, it is characterized in that, in described housing parts, be also provided with the first air inlet/outlet separator, described the first air inlet/outlet separator is arranged at the upper end of described air-flow production part, and described the first air inlet/outlet separator has the first cooling air outlet and the first cooling air import.

4. apparatus for heating food as claimed in claim 1, it is characterized in that, in described housing parts, be also provided with the second air inlet/outlet separator, described the second air inlet/outlet separator is arranged at the lower end of described air-flow production part, and described the second air inlet/outlet separator has the second cooling air outlet and the second cooling air import.

5. the apparatus for heating food as described in any one in claim 1 to 4, is characterized in that, described housing parts comprises the header board surrounding in described body of heater, rear plate, base plate, top board, the first side plate and the second side plate; Wherein, described header board is affixed on the front end of described body of heater, described rear plate is attached at the rear end of described body of heater, described top board is attached at the upper end of described body of heater, the lower end of described base plate and described body of heater is at a distance of arranging, one side of described the first side plate and described body of heater is at a distance of arranging, and the opposite side of described the second side plate and described body of heater is at a distance of arranging; Described air-flow production part is arranged between a side of described body of heater and described the first side plate and is close to described rear plate.

6. apparatus for heating food as claimed in claim 5, is characterized in that, in described top board, base plate, rear plate, the first side plate, a place or two places or many places are provided with fresh air inlet, and fresh air inlet is close to described air-flow production part place; A place in the top of the top of described header board, the top of described rear plate, described top board or described the second side plate or two places or many places are provided with the first cooling duct exhaust vent; One place of the bottom of described header board, described base plate, the bottom of described rear plate, the middle side part of described rear plate, described the second side plate or two places or many places are provided with second and third cooling duct exhaust vent.

7. apparatus for heating food as claimed in claim 5, is characterized in that, described the first side plate, the second side plate and top board one bending and molding.

8. the apparatus for heating food as described in any one in claim 1 to 4, is characterized in that, described apparatus for heating food is micro-wave oven.

9. apparatus for heating food as claimed in claim 8, is characterized in that, the end face of described body of heater is provided with heater block.

10. apparatus for heating food as claimed in claim 8, is characterized in that, in described the second cooling duct, is provided with frequency converter or transformer, in described the 3rd cooling duct, is provided with magnetron; Or, in described the second cooling duct, be provided with magnetron, in described the 3rd cooling duct, be provided with frequency converter or transformer.

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