CN111387801B - Steam system of double-inner-container steam box and steam valve fault detection method thereof - Google Patents
Steam system of double-inner-container steam box and steam valve fault detection method thereof Download PDFInfo
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- CN111387801B CN111387801B CN201910004195.XA CN201910004195A CN111387801B CN 111387801 B CN111387801 B CN 111387801B CN 201910004195 A CN201910004195 A CN 201910004195A CN 111387801 B CN111387801 B CN 111387801B
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- steam
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/14—Cooking-vessels for use in hotels, restaurants, or canteens
- A47J27/16—Cooking-vessels for use in hotels, restaurants, or canteens heated by steam
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The utility model provides a steam system of two inner bags steam agers, includes steam generator, steam valve, first inner bag, second inner bag and air guide component, and steam generator's gas outlet is linked together with the income gas port of steam valve, and the steam valve has two gas outlets, and two gas outlets of steam valve are linked together with the income gas port of first inner bag and second inner bag respectively, and the gas outlet of first inner bag and second inner bag is linked together its characterized in that with air guide component's air inlet: the steam generator further comprises a safety valve, wherein the air inlet of the safety valve is communicated with a pipeline between the steam generator and the steam valve, and the air outlet of the safety valve is communicated with a pipeline between the steam valve and the first inner container. This two inner bag steam agers are through increasing the relief valve on the steam pipeline, and when steam pressure reached the relief valve setting value, the relief valve can be opened and let out steam, prevents that the steam valve from blocking up and the potential safety hazard that produces, and the steam of just letting out can directly be arranged to the inner bag in, does not influence normal culinary art performance.
Description
Technical Field
The invention relates to a double-liner steam box, in particular to a steam system of the double-liner steam box and a steam valve fault detection method thereof.
Background
The steam generator is one of the essential parts of the existing household appliances with steam function, and taking the steam box frequently used in the current household kitchen as an example, the steam box comprises a water tank, a steam generator, a steam heater, a blower device and other units. The existing steam generator generally comprises a base and a heating component arranged on the outer surface of the base, water inside the base is heated by the heating component to generate steam, and the generated steam flows out of the steam generator and enters the cooking inner container to heat food.
At present, in two inner bags layering steam agers or steam oven, adopt a steam generator and steam valve structure usually, the opening and closing of two way steam channel of steam valve independent control, the steam valve is in the course of the work, especially a certain passageway is opened, when another way passageway is closed, steam valve probably appears blocking up or sealed trouble such as not living, will lead to steam generator internal gas sharp increase during the blocking up, it can burst open to connect inlet tube department, there is the potential safety hazard, it will lead to steam to reveal to another inner bag to seal not living, influence product property ability and user experience. Therefore, a method of detecting a steam valve failure has yet to be proposed.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide a steam system of a double-inner-container steam box, which can prevent potential safety hazards caused by blocking of a steam valve, aiming at the current situation of the prior art.
The second technical problem to be solved by the present invention is to provide a simple and reliable method for detecting a steam valve fault of a steam system of a double-liner steam box, aiming at the current state of the prior art.
The technical scheme adopted by the invention for solving the first technical problem is as follows: this steam system of two inner bags steam agers, including steam generator, steam valve, first inner bag, second inner bag and air guide component, steam generator's gas outlet is linked together with the income gas port of steam valve, the steam valve has two gas outlets, and two gas outlets of steam valve are linked together with the income gas port of first inner bag and second inner bag respectively, the gas outlet of first inner bag and second inner bag with air guide component's air inlet is linked together its characterized in that: the steam generator further comprises a safety valve, wherein the air inlet of the safety valve is communicated with a pipeline between the steam generator and the steam valve, and the air outlet of the safety valve is communicated with a pipeline between the steam valve and the first inner container.
In order to enable a control interface of the steam box to display faults according to the temperature rise condition of the inner container, a first temperature sensor is installed in the first inner container, a second temperature sensor is installed in the second inner container, the steam box comprises a controller and a control interface, signal output ends of the first temperature sensor and the second temperature sensor are electrically connected with a signal input end of the controller, and the control interface can display the prompt of the corresponding faults of the steam valve according to an output signal of the controller.
Further preferably, the steam generator has two air outlets, the steam valve has two air inlets, and the two air outlets of the steam generator are respectively communicated with the two air inlets of the steam valve.
Preferably, the air guide assembly is provided with two air inlets and an air outlet, the air outlets of the first inner container and the second inner container are respectively communicated with the air inlets corresponding to the air guide assembly, and the air outlet of the air guide assembly is communicated with the outer space of the steam box.
The technical scheme adopted by the invention for solving the second technical problem is as follows: the steam valve fault detection method of the steam system of the double-inner-container steam box is characterized by comprising the following state detection steps:
when the steam valve works normally, the safety valve does not work, and the first inner container and the second inner container are heated normally;
when the steam valve is blocked, the safety valve works, and steam enters the first inner container through the safety valve; if the working mode of the steam box at the moment is that the second inner container works alone or the first inner container and the second inner container work simultaneously, the temperature of the first inner container is normally increased, the temperature of the second inner container is not increased, a control interface prompts a fault prompt of blocking of a steam valve, and a steam generator stops heating; if the working mode of the steam box at the moment is that the first inner container works alone, the fault cannot be displayed temporarily, but the cooking performance of the first inner container is not influenced, and when the second inner container is used next time, the control interface displays the fault prompt that the steam valve is blocked;
when the steam valve is not tightly sealed, the safety valve does not work, the first inner container works independently and a steam valve interface connected to the second inner container is not tightly sealed, the first inner container is heated normally, the second inner container is heated slowly, the second temperature sensor detects the slow heating condition of the second inner container, and the control interface displays a fault prompt of the steam valve which is not tightly sealed.
Compared with the prior art, the invention has the advantages that: this two inner bag steam agers are through increasing the relief valve on the steam pipeline, when steam pressure reaches the relief valve setting value, the relief valve can be opened and let out steam, prevent that the steam valve from blocking up and the potential safety hazard that produces, and because the relief valve is installed between steam generator and arbitrary inner bag, the steam of letting out can directly be arranged to the inner bag in, do not influence normal culinary art performance, in addition, temperature sensor in the inner bag can the short-term test inner bag heat up normally, can feed back to the controller and in time cut off the steam heater heating when appearing unusual, the trouble suggestion of control interface display demonstration.
Drawings
FIG. 1 is a diagram of physical connections for an embodiment of the present invention;
FIG. 2 is a logic diagram of a detection method according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1, the steam system of the double-inner-container steam box of the present embodiment includes a steam generator 1, a steam valve 2, a first inner container 3, a second inner container 4, an air guide assembly 5, and a safety valve 6. Wherein, steam generator 1 has two gas outlets, steam valve 2 has two gas inlets and two gas outlets, two gas outlets of steam generator 1 are linked together with two gas inlets of steam valve 2 respectively, two gas outlets of steam valve 2 are linked together with the gas inlet of first inner bag 3 and second inner bag 4 respectively, the gas outlet of first inner bag 3 and second inner bag 4 communicates respectively with two air inlets of air guide component 5, air guide component 5's gas vent is linked together with the steam ager exterior space. The connecting structure of the steam pipeline is the same as that of the existing double-inner-container steam box.
In this embodiment, the steam generator 1 at the air inlet of the safety valve 6 is communicated with the pipeline between the steam valve 2, and the air outlet of the safety valve 6 is communicated with the pipeline between the steam valve 2 and the first inner container 3.
Install first temperature sensor in the first inner bag 3, install second temperature sensor in the second inner bag 4, the steam ager is including controller and control interface, first temperature sensor and second temperature sensor's signal output part with the signal input part looks electricity of controller is connected, and control interface can show according to the output signal of controller the suggestion of the corresponding trouble of steam valve. Therefore, the control interface of the steam box can display the corresponding fault of the steam valve according to the temperature rise condition of the inner container.
Assuming that the set pressure value of the safety valve 6 is P1, when the steam valve 2 works normally (functions are normal, and the steam valve is not blocked or sealed tightly), the steam pressure value at the front end of the steam valve 2 is P2, P1 is sx P2, and S is a safety coefficient, and the suggested value is 3-6. When the steam valve 2 works normally, the steam pressure P at the front end of the steam valve 2 is not more than P2; when the steam valve 2 is blocked, when the steam pressure P at the front end of the steam valve 2 is more than or equal to P1, the safety valve 6 starts to work, and the steam generated by the steam generator 1 enters the first inner container 3 through the safety valve (without passing through the steam valve). To ensure that the pressure release rate is not lower than the steam generation rate of the steam generator 1, the inner diameter of the valve port of the safety valve 6 needs to be as large as possible, which will not cause the pressure in the steam generator 1 to increase further.
As shown in fig. 2, the method for detecting the steam valve fault of the steam system of the double-liner steam box according to the embodiment detects different operating states of the steam valve 2 as follows:
when the steam valve 2 works normally, the safety valve 6 does not work, and the first inner container 3 and the second inner container 4 are heated normally;
when the steam valve 2 is blocked, the safety valve 6 works, and steam enters the first inner container 3 through the safety valve 6; if the working mode of the steam box at the moment is that the second inner container 4 works alone or the first inner container 3 and the second inner container 4 work simultaneously, the temperature of the first inner container 3 is normally increased, the temperature of the second inner container 4 is not increased, the control interface prompts a fault prompt that the steam valve 2 is blocked, and the steam generator 1 stops heating; if the working mode of steam ager this moment is first inner bag 3 and works alone, can't show the trouble temporarily, nevertheless first inner bag 3 culinary art performance is not influenced, waits to use second inner bag 4 next time, and control interface shows that steam valve 2 blocks up dead trouble suggestion.
When the steam valve 2 is not tightly sealed, the safety valve 6 does not work, if the first inner container 3 works independently and the steam valve interface connected to the second inner container 4 is not tightly sealed, the temperature of the first inner container 3 is normally raised, the temperature of the second inner container 4 is slowly raised, the second temperature sensor detects the slow temperature-raising condition of the second inner container 4, and the control interface displays the fault prompt that the steam valve 2 is not tightly sealed.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications or improvements may be made to the present invention without departing from the principle of the present invention, for example, the outlet of the safety valve may also be communicated with the pipeline between the steam valve and the second inner container, which are considered to be within the protection scope of the present invention.
Claims (4)
1. The utility model provides a steam system of two inner bags steam agers, includes steam generator (1), steam valve (2), first inner bag (3), second inner bag (4) and air guide component (5), the gas outlet of steam generator (1) is linked together with the income gas port of steam valve (2), steam valve (2) have two gas outlets, and two gas outlets of steam valve (2) are linked together with the income gas port of first inner bag (3) and second inner bag (4) respectively, the gas outlet of first inner bag (3) and second inner bag (4) with the air inlet of air guide component (5) is linked together its characterized in that: the steam box is characterized by further comprising a safety valve (6), wherein an air inlet of the safety valve (6) is communicated with a pipeline between the steam generator (1) and the steam valve (2), an air outlet of the safety valve (6) is communicated with a pipeline between the steam valve (2) and the first inner container (3), a first temperature sensor is installed in the first inner container (3), a second temperature sensor is installed in the second inner container (4), the steam box comprises a controller and a control interface, signal output ends of the first temperature sensor and the second temperature sensor are electrically connected with a signal input end of the controller, and the control interface can display the prompt of the corresponding fault of the steam valve (2) according to an output signal of the controller.
2. The steam system of the double-inner container steam box as claimed in claim 1, wherein the steam generator (1) is provided with two air outlets, the steam valve (2) is provided with two air inlets, and the two air outlets of the steam generator (1) are respectively communicated with the two air inlets of the steam valve (2).
3. The steam system of a double-liner steam box of claim 1, wherein: the air guide assembly (5) is provided with two air inlets and an air outlet, the air outlets of the first inner container (3) and the second inner container (4) are respectively communicated with the air inlets corresponding to the air guide assembly (5), and the air outlet of the air guide assembly (5) is communicated with the outer space of the steam box.
4. A steam valve failure detection method for a steam system of a double-liner steam box as claimed in claim 1, characterized by comprising the following state detection:
when the steam valve (2) works normally, the safety valve (6) does not work, and the first inner container (3) and the second inner container (4) are heated normally;
when the steam valve (2) is blocked, the safety valve (6) works, and steam enters the first inner container (3) through the safety valve (6); if the working mode of the steam box at the moment is that the second inner container (4) works independently or the first inner container (3) and the second inner container (4) work simultaneously, the temperature of the first inner container (3) rises normally, the temperature of the second inner container (4) does not rise, a control interface prompts a fault prompt that the steam valve (2) is blocked, and the steam generator (1) stops heating; if the working mode of the steam box at the moment is that the first inner container (3) works alone, the fault cannot be displayed temporarily, but the cooking performance of the first inner container (3) is not influenced, and when the second inner container (4) is used next time, the control interface displays the fault prompt that the steam valve (2) is blocked;
when the steam valve (2) is not tightly sealed, the safety valve (6) does not work, if the first inner container (3) works independently and a steam valve interface connected to the second inner container (4) is not tightly sealed, the temperature of the first inner container (3) is normally raised, the temperature of the second inner container (4) is slowly raised, the second temperature sensor detects the slow temperature rise condition of the second inner container (4), and the control interface displays a fault prompt of the steam valve (2) not tightly sealed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910004195.XA CN111387801B (en) | 2019-01-03 | 2019-01-03 | Steam system of double-inner-container steam box and steam valve fault detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910004195.XA CN111387801B (en) | 2019-01-03 | 2019-01-03 | Steam system of double-inner-container steam box and steam valve fault detection method thereof |
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| CN111387801A CN111387801A (en) | 2020-07-10 |
| CN111387801B true CN111387801B (en) | 2021-07-23 |
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| CN112315327B (en) * | 2020-10-27 | 2021-10-26 | 珠海格力电器股份有限公司 | Cooking apparatus, control method thereof, control device thereof, and computer-readable storage medium |
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