Electric steam box

Abstract

The utility model provides an electric steam box, which belongs to the technical field of electric steam boxes and comprises an accommodating mechanism, a soft start exhaust mechanism and a main control circuit mechanism, the accommodating mechanism is used for accommodating food for electric steam treatment, and the main control circuit mechanism is used for implementing automatic suction operation of soft start control exhaust mechanism. The air exhaust mechanism is installed at the bottom of the containing mechanism, gas replacement and discharge and heat dissipation are achieved, the electric steam box is prevented from being overloaded, the containing mechanism comprises the electric steam box used for containing and storing, an electric steam containing cavity is formed in the front surface of a box body of the electric steam box, and a container containing support used for containing objects is arranged on the inner wall of a cavity body of the electric steam containing cavity. The electric steam box has the advantages that the electric steam box and the cavity structure of the electric steam containing cavity are used for storing some container containing frames of food needing to be processed, and the transverse support and the transverse guide rod body are used for conversion.

Description

Technical Field

[0001] The utility model relates to the technical field of electric steamers, in particular to an electric steamer. Background Art

[0002] The electric steamer is a high-tech kitchen appliance that uses a heating plate (evaporation plate) to convert water into high-temperature steam to cook food 100% with steam. It has a powerful pure steaming function. It can quickly steam dishes, steam rice, steam soup, and heat meals, and has the functions of precise temperature control, locking in nutrition, reducing fat and salt, and maintaining the original flavor and freshness of food.

[0003] Among them, a multifunctional electric steamer disclosed in application number CN202222894296.9 is also an increasingly mature technology. The utility model discloses a multifunctional electric steamer, including an electric steamer body, an electric steamer base, a heating device and a water tank. The electric steamer body cover is arranged on the electric steamer base, and the water tank is arranged on the side of the electric steamer base; the electric steamer base is provided with a heating device; the electric steamer base has an inwardly recessed heating area, and a frying and baking pan is fixedly installed on the heating area; the frying and baking pan and the heating device are heat-conducted; the electric steamer base is provided with a control device. By adding a frying and baking pan and a fruit and vegetable cleaning device, the electric steamer has multiple functions, the frequency of use of the electric steamer is increased, and the practicality is good; the switch circuits of the steaming function, the frying and baking function and the fruit and vegetable cleaning function are independently controlled; at the same time, the frying and baking pan increases the heating area, which can shorten the cooking time; the fruit and vegetable cleaning device decomposes harmful substances by generating decomposition ions, and effectively removes the substances remaining on the surface of fruits and vegetables.

[0004] Based on this, we agree with the advantages of the above products, but there are still the following defects:

[0005] Ordinary fans do not have this kind of function, which can easily cause "overvoltage and overcurrent" to damage components in the customer's product circuit, which will directly affect the life of the customer's product. In addition, they cannot be soft-started, and this type of fan cannot be well adapted, installed and used in each specific electric steamer. In addition, the most important thing is that the electronic control function of this type of fan cannot be intelligent, software-based and electronic. Utility Model Content

[0006] The purpose of the utility model is to provide an electric steamer to solve the problem raised by the above background technology. Ordinary fans do not have such functions, which easily cause "overvoltage and overcurrent" to damage components on the customer's product circuit, thereby directly affecting the life of the customer's product.

[0007] The utility model embodiment provides an electric steamer, which is composed of: a containing mechanism, a soft start exhaust mechanism and a main control circuit mechanism;

[0008] The storage mechanism is used to store and store food for electric steaming;

[0009] The main control circuit mechanism implements the automatic suction operation of the soft-start exhaust mechanism;

[0010] The exhaust mechanism is installed at the bottom of the containing mechanism, and the gas is replaced and discharged, and the heat is dissipated, and the electric steam box is used to prevent overload;

[0011] The storage mechanism comprises an electric steam box for storage, the front surface of the box body of the electric steam box is provided with an electric steaming cavity, and the inner wall of the cavity of the electric steaming cavity is provided with a container placement bracket for placing items;

[0012] A plurality of independent transverse brackets are respectively arranged in the middle of the container placement bracket, a transverse guide rod for linkage is arranged in the middle of the top end of the transverse bracket, and transverse brackets are sequentially installed transversely on the side walls of the rod body of the transverse guide rod.

[0013] As a preferred solution of the utility model: the soft-start exhaust mechanism includes an exhaust slot embedded in the bottom of the electric steamer, and the exhaust slot is provided with a heat-absorbing fin for guiding the heat of the electric steamer, and the heat-absorbing fin is composed of a plurality of equidistant copper sheets.

[0014] As a preferred solution of the utility model: the heat transfer end of the heat absorbing fin contacts the inner wall heat pipe of the electric steam box to absorb heat;

[0015] An L-shaped shielding cover is installed on the outer wall of the heat absorbing fin.

[0016] As a preferred solution of the utility model: the side wall edge of the L-shaped shielding cover is in close contact with the back side of the heat-absorbing fin, and fin mounting paddles are installed at the two corner positions of the bottom of the heat-absorbing fin, and the surface of the fin mounting paddles is connected by tightening pins.

[0017] As a preferred solution of the utility model: a cooling fan is installed at the bottom limit of the two connecting pins, a circular slot is opened in the middle of the cooling fan, a fan blade is embedded in the middle of the circular slot, and one end of the fan blade draws heat from the surface of the fin installation paddle.

[0018] As a preferred solution of the utility model: a lifting plate is installed on the bottom side of the electric steamer, and the side of the lifting plate is fitted with the bottom surface of the electric steamer through a plurality of connecting blocks arranged in linkage.

[0019] As a preferred solution of the utility model: the main control circuit mechanism includes a power supply cable that is connected to the side of the cooling fan for power supply guidance, the conductive end of the power supply cable is connected to a circuit board arranged on the inner wall of the electric steamer, and a fan power supply pin is provided on the surface of the circuit board, and the power supply end of the fan power supply pin is electrically connected to one end of a designated power supply cable.

[0020] As a preferred solution of the utility model: an MCU is mounted on the surface of the circuit board, and the D1D2 terminals for soft processing control are respectively provided: and are powered by power MOS tubes Q5 Q6, and a pressure loop is formed through D3 R1 R2 U3, and D3 R1R2 U3 are connected to HALL elements, and the HALL elements are electrically connected to the MCU.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] 1) The electric steamer and the electric steaming chamber structure are used to store containers for food that needs to be processed, which are converted by using a transverse bracket and a transverse guide rod body, and the exhaust slots and high heat absorption fins are used as heat pipes for the electric steamer to replace and discharge. At this time, the inner wall heat pipe structure guides the heat dissipation to ensure the normal operation and maintenance of the electric steamer and increase the service life;

[0023] 2) The main factor to meet the above control points is that the fan must have "soft start and current limiting" and avoid the noise and resonance caused by the fan speed increasing from "0" to ultra-high speed instantly;

[0024] 3) At the same time, in conjunction with the installation location of the customer's products, the "uniformity of food heating" is also very important. The heating system heats the entire cavity evenly, and only leaves a heat dissipation vent at the rear end of the kitchen equipment. The power supply cable and circuit board are used in conjunction with each other, which plays a role in the later "soft" control of the circuit. The MCU, fan power supply pins, D1D2 terminals and HALL components are used to ensure coordinated control of the circuit. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0026] Figure 1 This is a schematic diagram of the overall structure of the coating equipment of the utility model;

[0027] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0028] Figure 3 This is a schematic diagram of the structure of the lifting plate of the utility model;

[0029] Figure 4 This is a schematic diagram of the main control circuit structure of the utility model;

[0030] Figure 5 This is a circuit diagram of the utility model.

[0031] In the figure: 1, accommodating mechanism; 11, electric steam box; 12, electric steam chamber; 13, container placement bracket; 14, transverse bracket; 15, transverse guide rod; 16, transverse bracket;

[0032] 2. Soft start exhaust mechanism; 21. Exhaust slot; 22. Heat absorbing fins; 23. Inner wall heat pipe; 24. L-shaped shielding cover; 25. Fin installation paddle; 26. Connecting pin; 27. Cooling fan; 28. Circular slot; 29. ​​Fan blade; 291. Lifting plate; 292. Connecting block;

[0033] 3. Main control circuit structure; 31. Power supply cable; 32. Circuit board; 33. Fan power supply pin; 34. MCU; 35. D1D2 terminal; 36. HALL component. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Example

[0036] See also Figure 1-Figure 5 , the utility model provides a technical solution: an electric steamer, consisting of: a containing mechanism 1, a soft start exhaust mechanism 2 and a main control circuit mechanism 3;

[0037] The containing mechanism 1 is used for storing and containing food to be steamed;

[0038] The main control circuit mechanism 3 implements the automatic suction operation of the soft-start exhaust mechanism 2;

[0039] The exhaust mechanism 2 is installed at the bottom of the containing mechanism 1, and the gas is replaced and discharged, and the heat is dissipated, so as to prevent the electric steam box 11 from overloading;

[0040] The storage mechanism 1 comprises an electric steam box 11 for storing, the front surface of the electric steam box 11 is provided with an electric steam chamber 12, and the inner wall of the electric steam chamber 12 is provided with a container placement bracket 13 for placing items;

[0041] A plurality of independent transverse supports 14 are respectively arranged in the middle of the container placement support 13 , and a transverse guide rod 15 for linkage is arranged in the middle of the top end of the transverse support 14 , and transverse brackets 16 are sequentially installed transversely on the side walls of the rod body of the transverse guide rod 15 .

[0042] In this embodiment: the soft start exhaust mechanism 2 includes an exhaust slot 21 embedded in the bottom of the electric steamer 11, and a heat absorbing fin 22 for guiding the heat of the electric steamer 11 is provided inside the slot of the exhaust slot 21, and the heat absorbing fin 22 is composed of a plurality of equidistant copper sheets.

[0043] The heat absorbing fins 22 and equidistant copper sheets are used to ensure accurate heat absorption and transfer, and the exhaust slots 21 are used to guide the exhaust.

[0044] In this embodiment: the heat transfer end of the heat absorbing fin 22 contacts the inner wall heat pipe 23 of the electric steam box 11 to absorb heat;

[0045] An L-shaped shielding cover 24 is installed on the outer wall of the heat absorbing fin 22 .

[0046] The electric steam box 11 and the specifically coated hot copper tube 23 are used to guide the heat transfer, and the L-shaped shielding cover 24 at the shield connection end is used for protection.

[0047] In this embodiment, the side wall edge of the L-shaped shielding cover 24 is in close contact with the back side of the heat absorbing fin 22 , and fin mounting paddles 25 are installed at the bottom two corners of the heat absorbing fin 22 , and the surface of the fin mounting paddles 25 is connected by tightened connecting pins 26 .

[0048] The heat transfer of the fin installation paddle 25 is implemented to guide the heat, and the connection pin 26 is used to determine the fit of the heat absorbing fin 22 to displace the heat and discharge it.

[0049] In this embodiment: a cooling fan 27 is installed at the bottom limit position of the two connecting pins 26, a circular slot 28 is opened in the middle of the cooling fan 27, a fan blade 29 is embedded in the middle of the circular slot 28, and one end of the fan blade 29 absorbs the heat from the surface of the fin installation paddle 25.

[0050] The heat dissipation fan 27 is used to improve the internal and external replacement of hot air around the fins, and the installation paddle 25 is used to achieve internal and external replacement.

[0051] In this embodiment, a lifting plate 291 is installed on the bottom side of the electric steamer 11, and the side of the lifting plate 291 is attached to the bottom surface of the electric steamer 11 through a plurality of connecting blocks 292 that are linked together.

[0052] The lifting plate 291 and one end of the specific link block 292 are discharged, and the interior of the electric steamer 11 is used for heat replacement.

[0053] In this embodiment: the main control circuit mechanism 3 includes a power supply cable 31 that is connected to the side of the cooling fan 27 for power supply guidance. The conductive end of the power supply cable 31 is connected to a circuit board 32 arranged on the inner wall of the electric steamer 11. A fan power supply pin 33 is provided on the surface of the circuit board 32. The power supply end of the fan power supply pin 33 is electrically connected to one end of the designated power supply cable 31.

[0054] The technical approach of the circuit board 32 and the fan power supply pin 33 facilitates feedback on the heat dissipation stage.

[0055] In this embodiment, an MCU 34 is mounted on the surface of the circuit board 32, and D1 D2 terminals 35 for soft processing control are provided respectively: the power MOS tubes Q5 Q6 are powered, and the voltage can be stepped down to 5V by the voltage stabilizing circuit formed by D3 R1 R2 U3, etc., and then supplied to the HALL element 36, which is electrically connected to the MCU 34.

[0056] Each power supply stage ensures the power supply of the equipment while providing improvements for subsequent software control.

[0057] Step 1: First, realize the soft start and current limiting function of the fan in the electric steam box 11

[0058] First of all, the technology needs to be combined with hardware and circuits to support each other;

[0059] First of all, the specific circuit stage reference circuit diagram, the specific fan rotation scheme is: 24V power supply passes through D1D2 to power MOS tube Q5 Q6, and can be stepped down to 5V by the voltage stabilizing circuit formed by D3 R1 R2U3 to power the HALL element and 36 main control MCU34. The HALL element 36 detects the change of the fan blade magnetic pole and feeds it back to MCU34. MCU34 outputs N1N2P1 to switch the flow direction of the current of the two groups of N+P MOS tubes Q5 Q6 to achieve normal operation. The soft start time and startup current limit are all controlled by the logic written by the software;

[0060] The 24V power supply passes through D1 D2 to supply power to the power MOS tubes Q5 Q6, and then passes through the voltage stabilizing circuit formed by D3 R1 R2 U3 to step down to 5V to supply power to the HALL element 36 and the main control MCU34. The HALL element 36 detects the change of the fan blade magnetic pole and feeds it back to MCU34. The MCU34 outputs N1 N2 P1 to switch the flow direction of the current of the two groups of N+P MOS tubes Q5 Q6 to achieve normal operation. The soft start time and startup current limit are all controlled by the logic written by the software;

[0061] Assembly points:

[0062] According to the customer's product, the best installation position of the fan is determined; the user installs "heating tubes" in the four walls of the "combination steam oven" and other kitchen equipment, and then connects these "heating tubes" in parallel with copper tubes, and finally connects them to a radiator, and then blows air from the fan outlet to the radiator for cooling;

[0063] The direction of the wind during this period is: the wind force generated by the rotation of the fan blades 29 of the fan will directly guide the heat of the high heat absorption fins 22 to achieve entrainment and dispersion, and the pipe body of the inner wall heat pipe 23 realizes the replacement of the entrained temperature;

[0064] Moreover, the soft power control is introduced by the HALL element 36 in the circuit and separated from the structure of the power supply cable 31, and the power supply is introduced by one end of the power supply cable 31, and rotated by one end of the fan blade 29, and finally the power is supplied;

[0065] Step 3: Specifically, bake and steam the object in the electric steam box 11;

[0066] The electric steam box 11 only needs to be lifted by opening the front switch door of the box body and then utilizing the lifting state of the horizontal bracket 16 .

[0067] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for technical personnel in the field to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An electric steamer, comprising: a containing mechanism (1), a soft start exhaust mechanism (2) and a main control circuit mechanism (3); Features: The containing mechanism (1) is used for storing and containing food for electric steaming; The main control circuit mechanism (3) implements the automatic suction operation of the soft-start exhaust mechanism (2); The exhaust mechanism (2) is installed at the bottom of the containing mechanism (1) to displace and exhaust the gas, dissipate the heat, and prevent the electric steam box (11) from overloading; The storage mechanism (1) comprises an electric steam box (11) for storing, the front surface of the box of the electric steam box (11) is provided with an electric steam chamber (12), and the inner wall of the chamber of the electric steam chamber (12) is provided with a container placement bracket (13) for placing articles; A plurality of independent transverse brackets (14) are respectively arranged in the middle of the container placement bracket (13), a transverse guide rod (15) for linkage is arranged in the middle of the top end of the transverse bracket (14), and transverse brackets (16) are sequentially installed transversely on the side walls of the rod body of the transverse guide rod (15).

2. The electric steamer according to claim 1, characterized in that: The soft-start exhaust mechanism (2) comprises an exhaust slot (21) embedded in the bottom of the electric steamer (11), and a heat-absorbing fin (22) for guiding the heat of the electric steamer (11) is arranged inside the slot of the exhaust slot (21), and the heat-absorbing fin (22) is composed of a plurality of equidistant copper sheets.

3. The electric steamer according to claim 2, characterized in that: The heat transfer end of the heat absorbing fin (22) contacts the inner wall heat pipe (23) of the electric steam box (11) to absorb heat; An L-shaped shielding cover (24) is installed on the outer wall of the heat absorbing fin (22).

4. The electric steamer according to claim 3, characterized in that: The side wall edge of the L-shaped shielding cover (24) is in close contact with the back side of the heat absorbing fin (22), and fin mounting paddles (25) are installed at the two corner positions of the bottom of the heat absorbing fin (22), and the surface of the fin mounting paddle (25) is connected by a tightened connecting pin (26).

5. The electric steamer according to claim 4, characterized in that: A cooling fan (27) is installed at the bottom limit of the two connecting pins (26), a circular slot (28) is opened in the middle of the cooling fan (27), a fan blade (29) is embedded in the middle of the circular slot (28), and one end of the fan blade (29) absorbs the surface heat of the fin installation paddle (25).

6. The electric steamer according to claim 1, characterized in that: A lifting plate (291) is installed on the bottom side of the electric steamer (11), and the side of the lifting plate (291) is arranged to fit the bottom surface of the electric steamer (11) through a plurality of connecting blocks (292) arranged in a linked manner.

7. The electric steamer according to claim 1, characterized in that: The main control circuit mechanism (3) comprises a power supply cable (31) connected to the side of the heat dissipation fan (27) for supplying power, the conductive end of the power supply cable (31) being connected to a circuit board (32) arranged on the inner wall of the electric steamer (11), the surface of the circuit board (32) being provided with a fan power supply pin (33), the power supply end of the fan power supply pin (33) being electrically connected to one end of a designated power supply cable (31).

8. The electric steamer according to claim 7, characterized in that: An MCU (34) is mounted on the surface of the circuit board (32), and is respectively provided with D1D2 terminals (35) for soft processing control: and is supplied with power by power MOS tubes Q5 Q6, and forms a pressure loop via D3 R1 R2 U3; D3 R1 R2 U3 is connected to a HALL element (36), and the HALL element (36) is electrically connected to the MCU (34).

Images