CN112401639A

CN112401639A - Portable steam boiler structure

Info

Publication number: CN112401639A
Application number: CN201910768589.2A
Authority: CN
Inventors: 陈国章
Original assignee: Ningbo Shiliang Electronic Technology Co ltd
Current assignee: Ningbo Shiliang Electronic Technology Co ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2021-02-26

Abstract

A portable steam oven structure relates to the field of kitchen cooking appliances, and is characterized in that the portable steam oven comprises a water supply component, a steam generating device, a pipeline component, a shell component and an electrical control component, the water supply component comprises a water tank set and a water pump, the steam generating device comprises a heater, a temperature controller, a temperature fuse and a heater bracket, the pipeline component comprises a water pipeline, a steam pipeline and a steam connector, a backflow pipe is arranged in the water pipeline, a pressure relief valve is arranged in the backflow pipe, the steam connector is arranged on an upper panel and a toughened glass plate, the electrical control component comprises a power control panel, a connecting wire and a timer part, the timer part adopts a mechanical timer with a bell, the steam connector is sleeved with a one-way valve on an external steam boiler, the portable steam oven is simple in structure and convenient to install, the cooking device has low manufacturing cost and safe and reliable performance, and is kitchen cooking equipment which advocates healthy diet and is worthy of popularization.

Description

Portable steam boiler structure

Technical Field

The invention relates to the field of kitchen cooking appliances, in particular to a portable steam oven structure.

Background

With the emphasis on healthy diet, kitchen steam cooking devices are increasingly entering ordinary households, and for most ordinary housewives, the devices are expected to be simple and easy to operate and have good reliability, however, steam cooking devices sold on the market at present are generally provided with a plurality of touch buttons on an operation panel for operation, such as an authorization notice number: the intelligent steam pot controlled by the CN205814171U mobile phone has the advantages that firstly, because the surface of the steam cooking equipment is wet, a touch button is easy to damp and malfunction, and the operation is troublesome, and secondly, a remote module and a microprocessor are used, and the cost of an electric control part of the intelligent steam pot is high.

Disclosure of Invention

In view of the above, we have developed a portable steam oven construction.

The utility model provides a portable steam oven structure which characterized in that: including water supply unit, steam generator, pipeline part, shell part and electrical control, the water supply unit includes water tank group and water pump, the water tank group includes water tank and tank lid, steam generator includes heater, temperature controller, temperature fuse and heater support, pipeline part includes water pipeling, steam conduit and steam connector, the shell part includes top panel, toughened glass board, shell inside lining and bottom, the steam connector is installed on top panel and toughened glass board, electrical control includes power control board, connecting wire and timer portion, power control board installs in the electrical box, water pump, steam generator and electrical box install on the top panel, timer portion installs on the top panel through the connecting plate, the locating hole post on the shell inside lining is fixed with the reference column location back of top panel, the water tank, the water tank cover and the shell lining in the water tank set are all provided with annular rabbets, the annular rabbets of the shell lining and the annular rabbets of the water tank cover upper plane are buckled, the annular rabbets of the water tank cover lower plane and the annular rabbets of the water tank are buckled, and the water tank set is tightly pressed by the bottom cover and then installed on the upper panel.

The water heater is characterized in that an upper tee is installed at a water feeding port of the water tank and is embedded in the water tank, the water pipeline comprises a front section and a rear section, one end of the front section is connected with the upper tee, the other end of the front section is connected with a water pump inlet, one end of the rear section is connected with a water pump water outlet, and the other end of the rear section is connected with a heater inlet.

The water heater is characterized in that a lower tee is further installed in the rear section of the water pipeline, one path of the lower tee is connected with one path of the upper tee through a return pipe, the return pipe is made of rubber pipe materials, a pressure relief steel ball is installed in the return pipe, the diameter of the pressure relief steel ball and the inner diameter of the return pipe have certain interference magnitude, when the water pressure at the water inlet of the heater is too large, the return pipe expands, and water in the rear section of the water pipeline flows back to the water tank from the return pipe, so that the pressure relief effect is achieved.

The steam pipeline one end is connected the heater, and the other end is connected with the steam connector, the steam connector cup joints with the check valve on the outside steam pot.

Install water filling port flip on the top panel, water filling port flip's annular hole compresses tightly on the top panel water filling port, and water filling port flip adopts the polyurethane material.

The bottom of the water tank is provided with a water outlet, when the steam oven needs to be cleaned by diluted lemon water after being used for a period of time, the solution water in the water tank after being cleaned is drained through the water outlet.

The bottom of the water tank is also provided with an elongated slot for placing a power line and a sleeve, and the sleeve is simultaneously embedded in a semicircular hole of the shell lining and is tightly pressed and fixed through the bottom cover.

The water tank is covered and is installed water level sensor, water level sensor passes through the inverter circuit on the power control panel and links with the buzzer electricity, and water level sensor is fixed on the water tank is covered with the nut.

The timer part adopts a mechanical timer with a small bell, an upper contact piece and a lower contact piece are arranged in the timer part, and two connecting wires are respectively led out from the upper contact piece and the lower contact piece to be connected with a power line and a power control panel.

Still install the pilot lamp on the top panel, when steam stove began work, the pilot lamp was lighted, steam stove's working process is: the steaming time of the steam boiler is set through the timer part, the timer part starts timing, the upper contact piece and the lower contact piece in the timer part are connected at the moment, the power supply is switched on, the water pump and the heater start working, purified water in the water tank is sent into the heater through a water pipeline by the water pump, steam is sent to the steam connector from the outlet of the heater through a steam pipeline after being heated and vaporized, the steam connector is sleeved with a one-way valve on the steam boiler and is sealed by an O-shaped sealing ring, and steam is sent into the steam boiler to cook food materials.

When the water level sensor in the water tank detects that the water level is at the lowest critical position, a buzzer alarms to remind a user of adding water, and if no response is given within a given time, the water pump and the heater stop working.

When the heating temperature in the heater reaches the set temperature, the temperature controller turns off the heater through the power supply control board, and if the heater does not act, the temperature fuse is cut off when the temperature is further increased, thereby further protecting the heater.

When the steam oven reaches the set cooking time, the upper contact piece and the lower contact piece in the timer part are separated, the power supply is cut off, and meanwhile, the bell in the timer part reminds the user of finishing cooking through knocking sound.

Compared with the prior art, the invention has the beneficial effects that: 1. the whole machine has simple structure, convenient and quick assembly and low manufacturing cost; 2. the mechanical timer is used for controlling, the reliability is good, the operation is simple, and the mechanical timer is very suitable for the operation and use of housewives in common families; 3. the safety is high, the safety of the portable steam oven is improved through double safety of a temperature controller and a temperature fuse on the heater, meanwhile, a return pipe is arranged in front of a water inlet of the heater, and a pressure relief valve is arranged in the return pipe, so that the safety of a water pipeline is protected; 4. the practicality is strong, and the speed of cooking is fast, appears steam in the steam pot from the timer settlement time, and whole process only needs 8 ~ 10 seconds.

Drawings

FIG. 1 is an external view of a portable steam oven of the present invention;

FIG. 2 is an exploded view of a steam oven;

FIG. 3 is an internal structure view of the steam oven;

FIG. 4 is a sectional view of the steam oven;

FIG. 5 is a partial enlarged view of the section K in the sectional view;

fig. 6 is an electrical schematic diagram of the steam oven.

Detailed Description

The present invention will be further described with reference to fig. 1 to 6, but the present invention is not limited thereto.

The utility model provides a portable steam oven structure which characterized in that: including water supply unit 1, steam generator 2, pipeline component 3, housing part 4 and electrical control 5, water supply unit 1 includes water tank group 11 and water pump 12, water tank group 11 includes water tank 111 and tank lid 112, steam generator 2 includes heater 21, temperature controller 22, temperature fuse 23 and heater support 24, pipeline component 3 includes water pipeline 31, steam conduit 32 and steam connector 33, housing part 4 includes top panel 41, toughened glass board 42, shell inside lining 43 and bottom 44, steam connector 33 is fixed on top panel 41 and toughened glass board 42 with gland nut 332, electrical control 5 includes power control board 51, connecting wire 52 and timer portion 53, power control board 51 installs in electrical box 54, water pump 12, steam generator 2 and electrical box 54 are fixed on top panel 41 with the screw, the timer part 53 is fixed on the upper panel 41 through a connecting plate 533 by a screw 534, the positioning hole column 431 on the shell liner 43 is fixed with the positioning column 411 of the upper panel by a screw 45 after being positioned, the water tank 111, the water tank cover 112 and the shell liner 43 are all provided with annular rabbets A, the annular rabbets of the shell liner 43 are buckled with the annular rabbets A1 on the upper plane of the water tank cover, the annular rabbets A2 on the lower plane of the water tank cover are buckled with the annular rabbets of the water tank, the bottom cover 44 presses the water tank group 11 tightly, and the positioning hole column 441 on the bottom cover 44 is fixed with the positioning column 412 on the upper panel 41 by a screw 47 after being positioned.

The water feeding port of the water tank 111 is provided with an upper tee 311, the upper tee 311 is embedded in the water tank 111, the water pipeline 31 comprises a front section 312 and a rear section 313, one end of the front section 312 is connected with the upper tee 311, the other end of the front section 312 is connected with the inlet of the water pump 12, one end of the rear section 313 is connected with the water outlet of the water pump 12, and the other end of the rear section 313 is connected with the inlet of the heater 21.

The water pipeline rear section 313 is also provided with a lower tee 314, one path of the lower tee 314 is connected with one path of the upper tee 311 through a return pipe 316, the return pipe 316 is made of rubber pipe material, a pressure relief valve is arranged in the return pipe 316, the diameter of a pressure relief steel ball 315 used by the pressure relief valve has a certain interference with the inner diameter of the return pipe 316, when the water pressure at the water inlet of the heater 21 is overlarge, the return pipe 316 expands, and when the inner diameter of the pressure relief steel ball exceeds the diameter of the pressure relief steel ball, the water in the water pipeline rear section 313 flows back to the water tank 111 from the return pipe 316, so that the water pressure in the water pipeline is ensured to be in.

Heater 21 is connected to steam conduit 32 one end, and the other end is connected with steam connector 33, steam connector 33 cup joints with check valve 61 on the steam pot 6, works as water pipeling 31 and steam conduit 32 use the rubber tube material when, and its junction is fixed with the ribbon.

Install water filling port flip 46 on the top panel 41, the annular hole of water filling port flip 46 compresses tightly on the top panel water filling port, and water filling port flip 46 adopts the polyurethane material.

The bottom of the water tank 111 is provided with a water outlet and is sealed by a drain plug 113, when the steam oven needs to be cleaned by diluted lemonade after being used for a period of time, solution water in the water tank 111 is drained through the water outlet after cleaning, three bottom feet are also arranged at the bottom of the water tank, an anti-skid foot pad 114 is arranged in each bottom foot, the drain plug 113 and the anti-skid foot pad 114 are made of silica gel materials, furthermore, the bottom of the water tank 111 is also provided with a long groove B for arranging a power line 521 and a sleeve 522, the sleeve 522 is simultaneously embedded in a semicircular hole C of the shell lining 43 and is tightly pressed and fixed by the bottom cover 44.

The water tank cover 112 is provided with a water level sensor 54, the water level sensor 54 is electrically connected with the buzzer 511 through a frequency conversion circuit on the power supply control panel 51, and the water level sensor 54 is fixed on the water tank cover 112 through a nut 55.

The timer part 53 adopts a mechanical timer with a bell 532, an upper contact piece and a lower contact piece are arranged in the timer, and two connecting wires are respectively led out from the upper contact piece and the lower contact piece to be connected with a power line 521 and a power control panel 51.

The upper panel 41 is further provided with an indicator light 57, when the steam oven starts to work, the indicator light 57 is lighted, and the working process of the steam oven is as follows: the cooking time of the steam boiler is set through the timer part 53, the timer part 53 starts timing, at the moment, the upper contact piece and the lower contact piece in the timer part 53 are connected, the power supply is connected, the water pump 12 and the heater 21 start working, the water pump 12 sends purified water in the water tank 111 into the heater 21 through the water pipeline 31, steam is sent to the steam connector 33 from the outlet of the heater 21 through the steam pipeline 32 after heating and vaporization, the steam connector 33 is sleeved with the one-way valve 61 on the steam boiler 6 and is sealed by the O-shaped sealing ring 331, and finally the steam is sent into the steam boiler 6 to cook food materials.

When the water level sensor 54 in the water tank 111 detects that the water level is at the lowest critical position, an electric signal is transmitted to the power supply control board, the buzzer 511 alarms to remind a user to add water through the frequency conversion circuit in the current control board, and if no response is given in a given time, the water pump 12 and the heater 21 stop working immediately.

When the heating temperature in the heater 21 reaches the set temperature, the thermostat 22 will turn off the heater 21 through the power control board 51, and if the heater 21 does not operate and the temperature further rises, the temperature fuse 23 is opened, further serving to protect the heater 21.

When the steam oven reaches the set cooking time, the upper and lower contact pieces in the timer part 53 are separated to cut off the power supply, and the bell 532 in the timer part 53 reminds the user of the cooking completion by knocking.

The above examples are intended to further illustrate one convenient steam oven configuration of the present invention and all changes and substitutions that would be normally made by one skilled in the art within the spirit and scope of the present invention are intended to be included therein.

Claims

1. The utility model provides a portable steam oven structure which characterized in that: including water supply unit, steam generator, pipeline part, shell part and electrical control, the water supply unit includes water tank group and water pump, the water tank group includes water tank and tank lid, steam generator includes heater, temperature controller, temperature fuse and heater support, pipeline part includes water pipeling, steam conduit and steam connector, the shell part includes top panel, toughened glass board, shell inside lining and bottom, the steam connector is installed on top panel and toughened glass board, electrical control includes power control board, connecting wire and timer portion, power control board installs in the electrical box, water pump, steam generator and electrical box install on the top panel, timer portion installs on the top panel through the connecting plate, the locating hole post on the shell inside lining is fixed with the reference column location back of top panel, the water tank is characterized in that annular rabbets are arranged on the water tank, the water tank cover and the shell lining, the annular rabbets of the shell lining are buckled with the annular rabbets on the upper plane of the water tank cover, the annular rabbets on the lower plane of the water tank cover are buckled with the annular rabbets of the water tank, and the water tank group is tightly pressed by the bottom cover and then installed on the upper panel.

2. The portable steam boiler structure as claimed in claim 1, wherein the water feeding port of the water tank is installed with a tee joint, the water pipeline comprises a front section and a rear section, one end of the front section is connected with the tee joint, the other end of the front section is connected with the water pump inlet, one end of the rear section is connected with the water pump outlet, the other end of the rear section is connected with the heater inlet, one end of the steam pipeline is connected with the heater, the other end of the steam pipeline is connected with the steam connector, and the steam connector is sleeved with the check valve on the external steam boiler.

3. The portable steam oven structure as claimed in claim 1 or 2, wherein a lower tee is further installed in the rear section of the water pipeline, one path of the lower tee is connected with one path of the upper tee through a return pipe, a pressure relief valve is installed in the return pipe, and the return pipe is made of rubber pipe material.

4. The portable steam oven structure of claim 1, wherein the upper panel is provided with a water filling port flip cover, the annular hole of the water filling port flip cover is tightly pressed on the water filling port of the upper panel, and the water filling port flip cover is made of polyurethane material.

5. The portable steam oven structure as claimed in claim 1, wherein the bottom of the water tank is provided with a water outlet, and the bottom of the water tank is further provided with an elongated slot for accommodating the power cord and the sleeve, and the sleeve is simultaneously inserted into the semicircular hole of the inner lining of the casing and is tightly pressed and fixed by the bottom cover.

6. The portable steam oven structure as claimed in claim 1, wherein a water level sensor is mounted on the water tank cover, and the water level sensor is electrically connected with the buzzer through a frequency conversion circuit on the power control board.

7. The portable steam oven as claimed in claim 1, wherein the timer part is provided with a time adjusting button, the timer part is a mechanical timer with a bell, the timer part is provided with upper and lower contacts, and two connecting wires are led out from the upper and lower contacts to connect with the power line and the power control panel.

8. The portable steam oven structure of claim 1, wherein an indicator light is further installed on the upper panel, and when the steam oven starts to work, the indicator light is turned on, and the steam oven works as follows: the cooking time of the steam boiler is set by the timer part, the timer part starts timing, the upper contact piece and the lower contact piece in the timer part are connected at the moment, the power supply is switched on, the water pump and the heater start working, the water pump sends purified water in the water tank into the heater through the water pipeline, the purified water is vaporized after being heated, steam is sent into the steam pipeline from the outlet of the heater and then sent to the steam connector, the steam connector is sleeved with the one-way valve on the external steam boiler and sealed by the O-shaped sealing ring, and the steam is finally sent into the steam boiler, when the water level sensor in the water tank detects that the water level is at the lowest critical water level, the signal is transmitted to the frequency conversion circuit of the power control panel, then the buzzer alarms to remind the user to add water, when the steam oven reaches the set cooking time, the upper contact piece and the lower contact piece in the timer part are separated, the power supply is cut off, and meanwhile, the bell on the timer part reminds the user of finishing cooking through knocking sound.