Barbecue cooked food wide temperature range type heat preservation and fresh keeping cabinet and control method thereof

Abstract

The invention belongs to the field of fresh-keeping cabinets, and particularly relates to a barbecued cooked food wide-temperature-range type heat-preservation fresh-keeping cabinet and a control method thereof.The barbecued cooked food wide-temperature-range type heat-preservation fresh-keeping cabinet comprises a stainless steel frame, glass is arranged on the four faces and the top face of the stainless steel frame, the front glass is movably connected with the stainless steel frame, an air inlet is formed in the side glass, and a suction opening is formed in the other side glass. An exhaust fan is arranged at the suction opening and connected with the air inlet through an air pipe, and a stainless steel plate is arranged on the bottom face of the stainless steel frame. A heating tube and a temperature sensor are arranged on the upper end face of the stainless steel plate, a control panel is arranged on the lower end face of the stainless steel plate, a partition plate is arranged above the heating tube, and an ultraviolet tube is arranged on the lower end face of the top glass. According to the method, meat food barbecued in the open oven can be eaten at any time, the original flavor and taste can be maintained, particularly, the Guangdong roasted pork has no quality change after being stored for more than six hours, the difference between the Guangdong roasted pork and fresh roasted pork is small, the preservation time is long, and the phenomenon of surface oil spilling does not occur.

Description

Technical Field

[0001] The invention belongs to the technical field of fresh-keeping cabinets, in particular to a wide-temperature-range heat-keeping fresh-keeping cabinet for barbecued and cooked food and a control method thereof. Background Art

[0002] Open oven barbecue, especially Guangdong roast pork, pays attention to fresh hot food, with a burnt aroma, smooth meat, crispy skin, and a juicy and burnt taste. However, it has a disadvantage of being difficult to keep warm and fresh. The flavor is lost after freezing, especially in autumn and winter, which can easily lead to hard skin and oily meat, completely losing the taste. Moreover, this type of meat is not easy to reheat and bake because the fat in the skin of the meat is very sensitive to temperature during reheating. Slightly overheating will cause it to swell and shine, and oil will overflow to the surface of the skin, thus affecting the crispness and looseness of the skin, making the skin soft and the meat sticky, and the taste sticky, and it can never go back to the original taste and flavor.

[0003] Existing fresh-keeping cabinets and refrigerators are not specially designed for keeping warm and fresh foods such as Guangdong roast pork, so they cannot solve the special essential freshness and authenticity of such foods. With the improvement of living standards and food culture, the market needs a new type of food storage cabinet or display cabinet that can keep warm, fresh and maintain quality. Summary of the invention

[0004] In order to overcome the defects existing in the process of preservation, display and storage of the above-mentioned foods, the present invention proposes a wide temperature range heat preservation and fresh-keeping cabinet for barbecue cooked food and its control method. After repeated experiments for many years, it was found that this kind of open-stove roasted meat products, especially Guangdong roasted pork, when the temperature reaches 50 degrees during the secondary heat preservation and heating, and after being stored for 30 minutes, the subcutaneous fat will overflow; the meat color will be shiny and oily, and the oil will infiltrate the upper cortex, and the taste will be lost, becoming greasy and without crisp flavor. Experiments have shown that barbecue cooked food, especially Guangdong roasted pork with skin, is very sensitive to temperature, and conventional constant temperature preservation methods cannot achieve the best preservation effect. The present invention solves this problem in a targeted manner, realizes the hot food of open-stove roasted meat products at any time, and can maintain the original flavor and taste. Not only is the preservation time long, but there will be no surface oil overflow. The technical problem to be solved by the present invention is achieved through the following technical solutions:

[0005] A wide temperature range heat preservation and fresh-keeping cabinet for barbecue and cooked food, comprising a stainless steel frame, with glass arranged on the four sides and the top surface of the stainless steel frame, wherein the front glass is movably connected to the stainless steel frame, and the other glass is fixedly connected to the stainless steel frame, an air inlet is arranged on the side glass, an air exhaust port is arranged on the other side glass, an exhaust fan is arranged at the exhaust port, and the exhaust fan is connected to the air inlet through an air duct, a stainless steel plate is arranged on the bottom surface of the stainless steel frame, and the stainless steel plate is fixedly connected to the stainless steel frame and the side glass and the back glass; a heating tube and a temperature sensor are arranged on the upper end surface of the stainless steel plate, a control panel is arranged on the lower end surface of the stainless steel plate, a partition is arranged above the heating tube, and an ultraviolet tube is arranged on the lower end surface of the top glass.

[0006] Furthermore, the control panel includes a main switch, an adjustment button, an exhaust fan switch and a control circuit, and the exhaust fan, the heating tube, the temperature sensor, the ultraviolet tube, the main switch, the adjustment button, and the exhaust fan switch are respectively connected to the control circuit.

[0007] Furthermore, the adjustment button is a 4-level adjustment button, the temperature of the first level is 35°C-45°C, the temperature of the second level is 50°C, the temperature of the third level is 60°C, and the fourth level is for disinfection.

[0008] Further, when the adjustment button is set to the first gear, the control circuit controls the exhaust fan to exhaust air intermittently.

[0009] Further, when the adjustment button is set to the second gear or the third gear, the control circuit controls the exhaust fan to continuously exhaust air.

[0010] Further, when the adjustment button is set to the fourth gear, the control circuit controls the exhaust fan to be turned off.

[0011] Specifically, the partition is fixedly connected to the stainless steel frame, the partition is a stainless steel plate, and a through hole is arranged in the middle of the partition.

[0012] Specifically, a first valve and a second valve are arranged on the air duct, and the first valve and the second valve are respectively provided with manual switches.

[0013] Preferably, the air inlet is arranged in the middle of the side glass, and the air exhaust vent is higher than the air inlet.

[0014] The control method of a wide temperature range heat preservation and fresh-keeping cabinet for barbecue and cooked food comprises the following steps:

[0015] Step 1, when the adjustment button is set to the first gear, the control circuit controls the heating tube to heat, and when the temperature reaches 35°C, the control circuit controls the exhaust fan to exhaust air, and the control circuit starts timing;

[0016] Step 2: When the timer reaches 5 minutes, the control circuit controls the exhaust fan to stop;

[0017] Step 3, when the temperature reaches 45°C, the control circuit controls the heating tube to stop heating;

[0018] Step 4, when the timing reaches 10 minutes, the control circuit controls the exhaust fan to exhaust air;

[0019] Step 5, when the timing reaches 15 minutes, the control circuit controls the exhaust fan to stop;

[0020] Step 6, when the temperature reaches 35°C, the control circuit controls the heating tube to heat up, and the control circuit restarts timing;

[0021] Step 7, repeat steps 2 to 6.

[0022] The invention realizes the hot eating of meat food grilled in an open oven at any time and can maintain the original flavor and taste. In particular, Guangdong roast pork has no quality change after being stored for more than six hours, and is almost the same as freshly grilled pork. It not only has a long preservation time, but also does not have the phenomenon of oil overflowing on the surface. It can also be used for the heat preservation of other foods and is suitable for families, stores, shopping malls, restaurants, etc. One machine has multiple uses and a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the present invention;

[0024] Figure 2 for Figure 1 Right view of;

[0025] Figure 3 for Figure 1 Left view of;

[0026] Figure 4 It is a top view of the stainless steel plate;

[0027] Figure 5 is a schematic diagram of the structure of the partition;

[0028] Figure 6 This is a schematic diagram of the structure of the second embodiment of the present invention. DETAILED DESCRIPTION

[0029] Embodiment 1

[0030] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the present invention; Figure 2 for Figure 1 Right view of; Figure 3 for Figure 1 Left view of; Figure 4 It is a top view of the stainless steel plate; Figure 5 is a schematic diagram of the structure of the partition. Figures 1 to 5As shown, a wide temperature range heat preservation and fresh-keeping cabinet for barbecue and cooked food comprises a stainless steel frame 1, and glasses are arranged on the four sides and the top surface of the stainless steel frame 1, wherein the front glass 2 is movably connected to the stainless steel frame 1, and the other glasses are fixedly connected to the stainless steel frame 1, an air inlet 3 is arranged on the side glass, an air exhaust port 4 is arranged on the other side glass, an exhaust fan 5 is arranged at the exhaust port 4, and the exhaust fan 5 is connected to the air inlet 3 through an air duct 6, a stainless steel plate 7 is arranged on the bottom surface of the stainless steel frame 1, and the stainless steel plate 7 is fixedly connected to the stainless steel frame 1 and the side glass and the back glass; a heating tube 8 and a temperature sensor 9 are arranged on the upper end surface of the stainless steel plate 7, a control panel 10 is arranged on the lower end surface of the stainless steel plate 7, a partition 11 is arranged above the heating tube 8, and an ultraviolet tube 12 is arranged on the lower end surface of the top glass.

[0031] There are three temperature sensors 9 in this embodiment, the exhaust fan 5 is fixedly connected to the side glass by glue, the lamp holder of the ultraviolet tube 12 is fixedly connected to the top glass by glue, the partition 11 is fixedly connected to the stainless steel frame 1, the partition 11 is a stainless steel plate, and a through hole 11.1 is arranged in the middle of the partition 11. There are three through holes 11.1 in this embodiment, and the through holes 11.1 are long strips. The air inlet 3 is arranged in the middle of the side glass, and the height of the exhaust port 4 is higher than the height of the air inlet 3. The exhaust port 4 in this embodiment is arranged near the top of the side glass. One end of the front glass 2 is movably connected to the stainless steel frame 1 by a hinge 2.2 to form an opening and closing door. The other end of the front glass 2 is provided with a handle 13, and a supporting foot 14 is arranged under the stainless steel plate 7.

[0032] The control panel 10 comprises a main switch 10.1, an adjustment button 10.2, an exhaust fan switch 10.3 and a control circuit, and the exhaust fan 5, the heating tube 8, the temperature sensor 9, the ultraviolet tube 12, the main switch 10.1, the adjustment button 10.2 and the exhaust fan switch 7.3 are respectively connected to the control circuit.

[0033] The adjustment button 10.2 is a 4-speed adjustment button. The present invention is particularly aimed at Guangdong roast pork and is provided with a wide temperature range insulation. The first gear is the wide temperature range insulation mode. The temperature of the first gear is 35°C-45°C, which is used for preserving grilled meat, such as Guangdong roast pork, etc. The temperature of the second gear is 50°C, which is used for preserving pasta and rice, and the temperature of the third gear is 60°C, which is used for preserving medicinal materials, such as tangerine peel, etc. The fourth gear is for disinfection. When the adjustment button 10.2 is set to the first gear, the control circuit controls the exhaust fan 5 to exhaust intermittently; when the adjustment button 10.2 is set to the second gear or the third gear, the control circuit controls the exhaust fan 5 to exhaust continuously; when the adjustment button 10.2 is set to the fourth gear, the control circuit controls the exhaust fan 5 to be turned off, or the exhaust fan 5 can be turned off by the exhaust fan switch 10.3.

[0034] The present invention sets an independent circuit special temperature zone for barbecued meat food, that is, the temperature of the first gear is the independent circuit special temperature zone, and the independent circuit special temperature zone is realized by an intelligent temperature control circuit that can automatically stop and start. The intelligent temperature control circuit is an existing circuit and is set in the control circuit.

[0035] When the present invention is used, Guangdong roast pork, Cantonese barbecued pork, Cantonese roast goose and other cooked food are placed on a plate, and then the plate is placed above the heating tube 8, and the adjustment button 10.2 is set to the first gear to control the temperature to be maintained at 35°C-45°C. Every 10min-15min, the control circuit controls the exhaust fan 5 to exhaust air, and the exhaust time is 5min-15min, so that the fresh-keeping cabinet is always kept at a low temperature and dry, and the original flavor of the cooked food is maintained.

[0036] The control method of a wide temperature range heat preservation and fresh-keeping cabinet for barbecue and cooked food comprises the following steps:

[0037] Step 1, when the adjustment button 10.2 is set to the first gear, the control circuit controls the heating tube 8 to heat up, and when the temperature reaches 35°C, the control circuit controls the exhaust fan 5 to exhaust air, and the control circuit starts timing.

[0038] Step 2, when the timing reaches 5 minutes, the control circuit controls the exhaust fan 5 to stop.

[0039] Step 3, when the temperature reaches 45°C, the control circuit controls the heating tube 8 to stop heating.

[0040] Step 4, when the timing reaches 10 minutes, the control circuit controls the exhaust fan 5 to exhaust air.

[0041] Step 5, when the timing reaches 15 minutes, the control circuit controls the exhaust fan 5 to stop.

[0042] Step 6, when the temperature reaches 35°C, the control circuit controls the heating tube 8 to heat up, and the control circuit restarts timing.

[0043] Step 7, repeat steps 2 to 6.

[0044] Embodiment 2

[0045] Figure 6 FIG. 2 is a schematic diagram of the structure of the second embodiment of the present invention. Figure 6 As shown, in the second embodiment, a first valve 6.1 and a second valve 6.2 are arranged on the air duct 6, and the first valve 6.1 and the second valve 6.2 are respectively provided with manual switches for controlling the circulating air or exhausting the air to the outside. Other configurations of the second embodiment are the same as those of the first embodiment, and will not be described in detail here.

[0046] When the first valve 6.1 is open and the second valve 6.2 is closed, it is the use state of the first embodiment. When the first valve 6.1 is closed and the second valve 6.2 is open, it is the direct discharge state of the air duct 6 and no air circulation is performed.

[0047] The present invention is different from a general food insulation cabinet. Based on full understanding and experiments, the present invention is specifically aimed at the insulation, freshness preservation and quality preservation of meat products grilled in an open oven (especially Guangdong roast pork). The present invention is highly targeted and can achieve the optimal storage temperature as soon as the machine is turned on. The meat products grilled in an open oven (especially Guangdong roast pork) will not change in quality if stored for more than six hours, and are not much different from freshly grilled meat.

[0048] In addition to the above-mentioned specific grilled meat heat preservation function, the present invention also has the heat preservation function of other meat, fish, vegetables and other finished dishes in the family kitchen, as well as the drying and storage of various medicinal materials, tableware disinfection and other functions.

[0049] In short, the present invention realizes the hot eating of meat food grilled in an open oven at any time and can maintain the original flavor and taste. In particular, Guangdong roast pork does not show any quality change after being stored for more than six hours, and is not much different from freshly grilled pork. It not only has a long preservation time, but also does not have the phenomenon of oil overflowing on the surface. It can also be used for the purpose of keeping other foods warm, and is suitable for families, stores, shopping malls, restaurants, etc., with one machine for multiple uses and a wide range of applications.

Claims

1. A wide temperature range heat preservation and fresh-keeping cabinet for barbecue and cooked food, characterized in that: It comprises a stainless steel frame, and glasses are arranged on the four sides and the top surface of the stainless steel frame, wherein the front glass is movably connected to the stainless steel frame, and the other glasses are fixedly connected to the stainless steel frame, an air inlet is arranged on the side glass, an air exhaust port is arranged on the other side glass, an exhaust fan is arranged on the exhaust port, and the exhaust fan is connected to the air inlet through an air duct, a stainless steel plate is arranged on the bottom surface of the stainless steel frame, and the stainless steel plate is fixedly connected to the stainless steel frame and the side glass and the back glass; a heating tube and a temperature sensor are arranged on the upper end surface of the stainless steel plate, a control panel is arranged on the lower end surface of the stainless steel plate, a partition is arranged above the heating tube, and an ultraviolet tube is arranged on the lower end surface of the top glass.

2. The wide temperature range heat preservation and fresh-keeping cabinet for barbecue and cooked food according to claim 1 is characterized in that: The control panel comprises a main switch, an adjustment button, an exhaust fan switch and a control circuit; the exhaust fan, the heating tube, the temperature sensor, the ultraviolet tube, the main switch, the adjustment button and the exhaust fan switch are respectively connected to the control circuit.

3. The wide temperature range heat preservation and fresh-keeping cabinet for barbecue and cooked food according to claim 2 is characterized in that: The adjustment button is a 4-level adjustment button, the temperature of the first level is 35°C-45°C, the temperature of the second level is 50°C, the temperature of the third level is 60°C, and the fourth level is for disinfection.

4. The wide temperature range heat preservation and fresh-keeping cabinet for barbecue and cooked food according to claim 3 is characterized in that: When the adjustment button is set to the first gear, the control circuit controls the exhaust fan to exhaust air intermittently.

5. The wide temperature range heat preservation and fresh-keeping cabinet for barbecue and cooked food according to claim 3 is characterized in that: When the adjustment button is set to the second gear or the third gear, the control circuit controls the exhaust fan to continuously exhaust air.

6. The wide temperature range heat preservation and fresh-keeping cabinet for barbecue and cooked food according to claim 3 is characterized in that: When the adjustment button is set to the fourth gear, the control circuit controls the exhaust fan to be turned off.

7. The wide temperature range heat preservation and fresh-keeping cabinet for barbecue and cooked food according to claim 1 is characterized in that: The partition is fixedly connected to the stainless steel frame. The partition is a stainless steel plate, and a through hole is arranged in the middle of the partition.

8. The wide temperature range heat preservation and fresh-keeping cabinet for barbecue and cooked food according to claim 1 is characterized in that: A first valve and a second valve are arranged on the air duct, and the first valve and the second valve are respectively provided with a manual switch.

9. The wide temperature range heat preservation and fresh-keeping cabinet for barbecue and cooked food according to claim 1, characterized in that: The air inlet is arranged in the middle of the side glass, and the air exhaust port is higher than the air inlet.

10. The control method of a wide temperature range heat preservation and fresh-keeping cabinet for barbecued and cooked food according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1, when the adjustment button is set to the first gear, the control circuit controls the heating tube to heat, and when the temperature reaches 35°C, the control circuit controls the exhaust fan to exhaust air, and the control circuit starts timing; Step 2: When the timer reaches 5 minutes, the control circuit controls the exhaust fan to stop; Step 3, when the temperature reaches 45°C, the control circuit controls the heating tube to stop heating; Step 4, when the timing reaches 10 minutes, the control circuit controls the exhaust fan to exhaust air; Step 5, when the timing reaches 15 minutes, the control circuit controls the exhaust fan to stop; Step 6, when the temperature reaches 35°C, the control circuit controls the heating tube to heat up, and the control circuit restarts timing; Step 7, repeat steps 2 to 6.

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