CN109199064A - Cooking apparatus - Google Patents

Abstract

The invention discloses a kind of cooking apparatus, comprising: pot body, pot body have the open cooking cavity in top；Lid, lid are movably installed to pot body between open and closed positions, and lid has bleeding point；Air extractor, air extractor are located in pot body or lid and are connected to bleeding point cooking cavity is formed negative pressure；Vacuum measuring device, vacuum measuring device are located in lid and including contact action module and moveable vacuum action module；Controller, controller and contact action module and air extractor communicate, wherein when the pressure in cooking cavity reaches default negative pressure value, vacuum action module triggers contact action module.Cooking apparatus according to an embodiment of the present invention, cooking cavity is under condition of negative pressure, and vacuum action module is mutually triggered with contact action module to detect the vacuum magnitude in cooking cavity, and heat will not be directly delivered to contact action module in pot, the temperature rise of contact action module is smaller, and reliable performance, service life are long.

Description

Cooking apparatus

Technical field

The present invention relates to living electric apparatus technical fields, more particularly, to a kind of cooking apparatus.

Background technique

Vacuum degree is measured by pressure sensor in the pot of vacuum pressure electric cooker in the related technology, and when measurement presses Force snesor needs to go deep into pot to be adequately exposed to the pressure in pot, since pressure sensor sheet is as electric elements, when long Between contacted with the high-temperature steam in pot and not only result in performance decline, and the service life is shorter, and there are improved demands.

Summary of the invention

The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes that one kind is cooked It prepares food utensil, the performance of the cooking apparatus is good, long service life.

Cooking apparatus according to an embodiment of the present invention, comprising: pot body, the pot body have the open cooking cavity in top；Lid Body, the lid are movably installed to the pot body between open and closed positions, and the lid has pumping Mouthful；Air extractor, the air extractor are located in the pot body or the lid and are connected to the bleeding point to cook described Chamber of preparing food forms negative pressure；Vacuum measuring device, the vacuum measuring device be located in the lid and including contact action module and Moveable vacuum action module；Controller, the controller and the contact action module and the air extractor communicate, In, when the pressure in the cooking cavity reaches default negative pressure value, the vacuum action module triggers the contact action module.

Cooking apparatus according to an embodiment of the present invention includes that contact action module and vacuum act by being arranged in lid The vacuum measuring device of module, under condition of negative pressure, vacuum action module is mutually triggered with contact action module to detect cooking cavity Vacuum magnitude in cooking cavity, compared with the cooking apparatus using pressure sensor in the related technology, heat will not be straight in pot It connects and is transmitted to contact action module, the temperature rise of contact action module is smaller, and reliable performance, service life are long.

According to one embodiment of present invention, the vacuum action module is along the axial in first position and the of the pot body Linear movement between two positions, at the first position, the vacuum action module are spaced apart with the contact action module, In the second position, the vacuum action module triggers the contact action module.

Optionally, the second position is located at the lower section of the first position and including being axially distributed along the pot body Multiple, when vacuum action module is moved to the different second positions, corresponding default negative pressure value is different.

According to another embodiment of the invention, the contact action module forms the contact being electrically connected with the controller Switch.

An optional embodiment according to the present invention, the vacuum action module includes: flexible gland, the flexibility Sealing shroud is set to the lid and has the chamber be connected with the cooking cavity, and the flexible gland can be in the cooking cavity Pressure change and deformation occurs；Push rod, the push rod connect with the flexible gland and with the shapes of the flexible gland Become and move, when the pressure in the cooking cavity reaches the default negative pressure value, the push rod triggers the contact and acts mould Block.

Further, the flexible gland forms the annular of both ends open, and one of the flexible gland opens wide End is connected with the cooking cavity, and the push rod has the closure part for closing another open end of the flexible gland.

Optionally, the closure part forms the annular slab around the push rod, the outer peripheral edge of the annular slab with it is described soft Property sealing shroud be tightly connected.

Optionally, the push rod includes: bar body, and the bar body is axially extending along the pot body, the closure part It is located at the lower end of the bar body；Trigger unit, the trigger unit are connected to the upper end of the bar body and are located at the contact and move The top for making module, for triggering the contact action module.

Optional example according to the present invention, the vacuum action module further include: elastic component, the elastic component are set to described In chamber and both ends are only against between the lid and the closure part respectively.

Further, the elastic component forms the spring being set on the push rod.

Still another embodiment in accordance with the present invention, the lid include cover board and the inner cover that is located on the cover board, institute It states and limits accommodating chamber between cover board and the inner cover, wherein the contact action module is located at the described backwards of the inner cover The side of cover board, the vacuum action module is located in the accommodating chamber and at least part passes through the inner cover, for triggering The contact action module.

Optional embodiment according to the present invention, the air extractor are vacuum pump or cylinder-piston assembly.

Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.

Detailed description of the invention

Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:

Fig. 1 is the structural schematic diagram of cooking apparatus according to an embodiment of the invention；

Fig. 2 be in Fig. 1 the portion A in the enlarged drawing of a state；

Fig. 3 be in Fig. 1 the portion A in the enlarged drawing of another state；

Fig. 4 is the workflow schematic diagram of the vacuum measuring device of cooking apparatus according to an embodiment of the invention.

Appended drawing reference:

100: cooking apparatus；

10: pot body；10a: cooking cavity；

20: lid；20a: accommodating chamber；21: cover board；22: inner cover；

30: vacuum pump；

40: vacuum measuring device；41: contact action module；42: vacuum action module；421: flexible gland；421a: Chamber；422: push rod；4221: closure part；4222: bar body；4223: trigger unit；423: elastic component；

50: controller.

Specific embodiment

The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.

In the description of the present invention, it is to be understood that, term " on ", "lower", "vertical", "horizontal", "top", "bottom" The orientation or positional relationship of the instructions such as "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure or position Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning are necessary It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, limiting There is the feature of " first ", " second " to can explicitly or implicitly include one or more of the features.It is retouched in of the invention In stating, unless otherwise indicated, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.

Cooking apparatus 100 according to an embodiment of the present invention is described below with reference to Fig. 1-Fig. 4.

As shown in Figure 1, cooking apparatus 100 according to an embodiment of the present invention include pot body 10, it is lid 20, air extractor, true Empty measuring device 40 and controller 50.

Wherein, pot body 10 has the open cooking cavity 10a in top, and lid 20 is located in pot body 10, and lid 20 relative to Pot body 10 is movable between open and closed positions.There is bleeding point, air extractor is arranged in pot body 10 on lid 20 Or 20 inside (air extractor is located inside lid 20 as shown in figure 1) of lid, air extractor is connected with bleeding point, is evacuated in this way Device can be evacuated cooking cavity 10a when working, to make to be formed as negative pressure in cooking cavity 10a.

In addition, there also is provided vacuum measuring device 40 in lid 20, vacuum measuring device 40 includes contact action module 41 and vacuum action module 42, vacuum action module 42 can be moved relative to contact action module 41, controller 50 and contact Action module 41 and air extractor communication.

Specifically, when air extractor works, air extractor is evacuated outward by bleeding point, makes to be formed in cooking cavity 10a negative Pressure, when the pressure in cooking cavity 10a reaches default negative pressure value, vacuum action module 42 is contacted with contact action module 41.

Cooking apparatus 100 according to an embodiment of the present invention as a result, includes contact action module by being arranged in lid 20 41 and vacuum action module 42 vacuum measuring device 40, cooking cavity 10a is under condition of negative pressure, vacuum action module 42 and contact 41 phase of action module is triggered to detect the vacuum magnitude in cooking cavity, with the cooking pot using pressure sensor in the related technology Tool is compared, and heat will not be directly delivered to contact action module 41 in pot, and the temperature rise of contact action module 41 is smaller, and performance can Lean on, the service life it is long.

An optional embodiment according to the present invention, air extractor are cylinder-piston assembly (not shown).Specifically, cylinder Interior to be equipped with moveable piston, cylinder is connected to cooking cavity 10a, when cylinder-piston assembly pumping, is formed in cooking cavity 10a negative Pressure.Wherein, cylinder-piston assembly can be located in lid 20, and certainly, cylinder-piston assembly can also be located in pot body 10.

Another optional embodiment according to the present invention, air extractor are vacuum pump 30.Vacuum pump 30 can be located at lid In 20, and it is connected on the bleeding point of lid 20 by connecting tube, or be directly mounted at the bleeding point of lid 20.Certainly, In order to mitigate the weight of lid 20, vacuum pump 30 can also be located in pot body 10.

As shown in Figure 1-Figure 3, according to one embodiment of present invention, vacuum action module 42 along pot body 10 axial direction (direction from top to bottom as shown in figure 1) between the first position and the second position can linear movement.

Surely when empty action module 42 is in first position (position as shown in Figure 3), vacuum action module 42 and contact Action module 41 is spaced from each other arrangement, when the pressure in cooking cavity 10a reaches default negative pressure value, vacuum action module 42 along Pot body 10 moves axially to the second position (position as shown in Figure 2), vacuum action module 42 and 41 phase of contact action module Contact, i.e. vacuum action module 42 trigger contact action module 41, and subsequent controller 50 controls air extractor and stops pumping.

In some instances, the second position is located at the lower section of the first position and including the axial direction point along pot body 10 Cloth it is multiple.

For example, when being contacted from vacuum action module 42 and contact action module 41, the location of vacuum action module 42 When only arriving to the limit to the two, the location of vacuum action module 42 be the second position.When in cooking cavity 10a be negative pressure When, vacuum action module 42 is contacted with contact action module 41, thus according to the displacement detecting cooking cavity of vacuum action module 42 Negative pressure value size in 10a.

Certainly, the second position may be along pot body 10 axially spaced-apart be distributed it is multiple, multiple second positions it is each One default negative pressure value of a correspondence.

Optionally, contact action module 41 forms the contact switch being electrically connected with controller 50.Surely empty action module 42 When triggering contact action module 41, the circuit of contact action module 41 and controller 50 is connected, surely empty action module 42 and touching When point action module 41 is spaced apart, the circuit of contact action module 41 and controller 50 is disconnected.It as a result, can be with by contact switch The connection and interruption of control and 50 circuit of controller.

As shown in Figures 2 and 3, in some instances, vacuum action module 42 includes flexible gland 421 and push rod 422, Flexible gland 421 is set in inside lid 20, and flexible gland 421 limits the chamber 421a being conducted with cooking cavity 10a, According to the pressure change in cooking cavity 10a corresponding deformation can occur for flexible gland 421, push rod 422 and flexible sealing Set 421 is connected, and it is mobile that with the deformation of flexible gland 421 position can occur for push rod 422.

If formed negative pressure in cooking cavity 10a, deformation occurs drives push rod 422 along the axis of pot body 10 for flexible gland 421 To moving down, when the pressure in cooking cavity 10a reaches default negative pressure value, push rod 422 only contradicts point action module 41, triggering Contact action module 41 connects controller 50, controls air extractor from there through controller 50 and stops working.

Optionally, flexible gland 421 is formed as both ends (top and bottom shown in Fig. 2) open annular, flexible close One open end (i.e. lower end) of big envelope 421 is connected with cooking cavity 10a, and the closure part 4221 of push rod 422 is mounted on flexible close The other end (i.e. upper end) of big envelope 421, the upper end opening for closing flexible sealing shroud 421.

In this way, when the pressure in cooking cavity 10a reaches default negative pressure value, in the chamber 421a of flexible gland 421 Pressure is also negative pressure, and in this process, flexible gland 421 can deformation occurs, i.e., soft under the pressure effect outside cooking cavity 10a Property sealing shroud 421 upper end move down, while push rod 422 being driven to move down, so that push rod 422 triggers contact movement Module 41.

Optionally, closure part 4221 is formed around the annular slab of push rod 422, and the upper end of flexible gland 421 has peace Dress portion, mounting portion are formed as annular groove, and the outer peripheral edge of closure part 4221 is clamped in a ring groove, the closure part 4221 of push rod 422 It is connect with flexible gland 421 reliably, and sealing effect is good.

Further, push rod 422 includes bar body 4222 and trigger unit 4223, and bar body 4222 is formed along pot body 10 Axially extending column, closure part 4221 are located at the lower end of bar body 4222, that is to say, that are connected with closure part 4221 soft Property sealing shroud 421 connect with the lower end of bar body 4222, trigger unit 4223 is located at the upper end of bar body 4222, while being located at contact The surface of action module 41, in this way, trigger unit 4223 can be touched when empty action module 42 moves vertically downwards surely Send out contact action module 41.

Further, vacuum action module 42 further includes elastic component 423, and elastic component 423 is located at flexible gland 421 In chamber 421a, and only it is against between closure part 4221 and lid 20.

Specifically, the lower surface for being against closure part 4221, elasticity are stopped in one end (upper end shown in Fig. 3) of elastic component 423 The other end (lower end shown in Fig. 3) of part 423 is only against on lid 20, when pressure is normal pressure or positive pressure in cooking cavity 10a, Bar body 4222 under the elastic force effect of elastic component 423 due to moving up, so that trigger unit 4223 and contact action module 41 are de- From.

In some instances, elastic component 423 forms the spring being set on push rod 422.

Specifically, as shown in Fig. 2, spring is set in the lower end of push rod 422, since spring has elastic deformation and restores shape The characteristic of change, when the air pressure in cooking cavity 10a reaches default negative pressure value, under extraneous pressure effect, spring gradually pressed Contracting, and push rod 422 is driven to move down, to trigger contact action module 41.As shown in figure 3, when being positive pressure in cooking cavity 10a When, spring reset pushes push rod 422 to move up, so that the trigger unit 4223 of push rod 422 is detached from contact action module 41.

Optional embodiment according to the present invention, air extractor and vacuum measuring device 40 are arranged in lid 20.Lid 20 include cover board 21 and inner cover 22, and cover board 21 is located at the top of inner cover 22, limits accommodating chamber between cover board 21 and inner cover 22 20a。

Further, contact action module 41 is located at the upper surface (backwards to a side surface of cover board 21) of inner cover 22, vacuum Action module 42 is located in accommodating chamber 20a, and the upper end of the push rod 422 of vacuum action module 42 passes through inner cover 22, i.e. trigger unit 4223 are located at the top of inner cover 22, and controller 50 is located at the side of neighbouring vacuum measuring device 40.

Wherein, contact action module 41 is electrically connected with controller 50, is controlled for example, contact action module 41 is connected by conducting wire Device 50 processed, to control the start and stop of air extractor by contact action module 41.

It should be noted that vacuum action module 42 be pure construction module, without electric device, efficiently avoid because it is long when Between contacted with high-temperature steam and cause performance to decline or the problem of failure, vacuum action module 42 and contact action module 41, Both normal pressure or direct draught be it is discontiguous, the heat in cooking cavity 10a will not be directly delivered to contact action module 41, contact 41 temperature rise of action module is smaller, and reliable performance, service life are long.

Below by taking vacuum pressure electric cooker as an example, the course of work of vacuum measurement module 40 is specifically described.

As shown in figure 4, vacuum pump 30 is constantly evacuated outward by bleeding point first, so that the pressure P1 in cooking cavity 10a It reduces, until the pressure P1 in cooking cavity 10a is less than external pressure P0, in the effect of external pressure P0 and inner pot pressure P1 difference Under, deformation occurs for flexible gland 421, drives push rod 422 that the elastic force of spring is overcome to move down, the pressure in cooking cavity 10a When power P1 reaches the vacuum pressure value P2 of setting, push rod 422 touches contact switch and passes through connecting wire for the movement of push rod 422 Signal passes to controller 50, stops working to control vacuum pump 30, so that pressure maintains P2 in cooking cavity 10a, carries out The programs such as water suction or heat preservation.

When pressure is normal pressure or positive pressure in cooking cavity 10a, push rod 422 is under the elastic force effect of elastic component 423 to moving up Dynamic, vacuum action module 42 is detached from contact switch at this time, and contact switch is only by the high-temperature steam in cooking cavity 10a by activity Irradiated next very small part heat after the multilayer insulations such as cover board 21, air layer, inner cover 22, so the temperature rise of contact switch is very Low, reliable performance, service life are long, effectively solve pressure sensor in the related technology because long-time contacts the high-temperature steam property of will lead to It can decline, the problem that the service life is short.

Other of cooking apparatus 100 (such as electric cooker) according to an embodiment of the present invention are constituted and are operated for this field All be for those of ordinary skill it is known, be not detailed herein.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description Point can be combined in any suitable manner in any one or more of the embodiments or examples.

Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this The range of invention is defined by the claims and their equivalents.

Claims (12)

1. a kind of cooking apparatus characterized by comprising

Pot body, the pot body have the open cooking cavity in top；

Lid, the lid are movably installed to the pot body between open and closed positions, the lid tool There is bleeding point；

Air extractor, the air extractor are located in the pot body or the lid and are connected to the bleeding point to cook described Chamber of preparing food forms negative pressure；

Vacuum measuring device, it is interior and including contact action module and movably true that the vacuum measuring device is located at the lid Empty action module；

Controller, the controller and the contact action module and the air extractor communicate,

Wherein, when the pressure in the cooking cavity reaches default negative pressure value, it is dynamic that the vacuum action module triggers the contact Make module.

2. cooking apparatus according to claim 1, which is characterized in that axial direction of the vacuum action module along the pot body Linear movement between the first position and the second position, at the first position, the vacuum action module and the contact Action module is spaced apart, and in the second position, the vacuum action module triggers the contact action module.

3. cooking apparatus according to claim 2, which is characterized in that the second position is located under the first position Just and including multiple along being axially distributed for the pot body.

4. cooking apparatus according to claim 1, which is characterized in that the contact action module is formed and the controller The contact switch of electrical connection.

5. cooking apparatus according to claim 1, which is characterized in that the vacuum action module includes:

Flexible gland, the flexible sealing is sheathed in the lid and has the chamber be connected with the cooking cavity, described Flexible gland can be with the pressure change in the cooking cavity and deformation occurs；

Push rod, the push rod connect with the flexible gland and move with the deformation of the flexible gland, cook when described When intracavitary pressure of preparing food reaches the default negative pressure value, the push rod triggers the contact action module.

6. cooking apparatus according to claim 5, which is characterized in that the flexible gland forms the ring of both ends open Shape, and an open end of the flexible gland is connected with the cooking cavity, the push rod has for closing the flexibility The closure part of another open end of sealing shroud.

7. cooking apparatus according to claim 6, which is characterized in that the closure part forms the annular around the push rod Plate, the outer peripheral edge of the annular slab and the flexible gland are tightly connected.

8. cooking apparatus according to claim 6, which is characterized in that the push rod includes:

Bar body, the bar body is axially extending along the pot body, and the closure part is located at the lower end of the bar body；

Trigger unit, the trigger unit are connected to the upper end of the bar body and are located at the top of the contact action module, be used for Trigger the contact action module.

9. cooking apparatus according to claim 6, which is characterized in that the vacuum action module further include: elastic component, institute Elastic component is stated in the chamber and both ends are only against between the lid and the closure part respectively.

10. cooking apparatus according to claim 9, which is characterized in that the elastic component formation is set on the push rod Spring.

11. cooking apparatus according to claim 1 to 10, which is characterized in that the lid includes cover board and cover The inner cover being located on the cover board limits accommodating chamber between the cover board and the inner cover,

Wherein, the contact action module is located at the side backwards to the cover board of the inner cover, and the vacuum action module is set In the accommodating chamber and at least part passes through the inner cover, for triggering the contact action module.

12. cooking apparatus described in any one of -11 according to claim 1, which is characterized in that the air extractor is vacuum pump Or cylinder-piston assembly.