CN209235742U - Steam boiler for steam generator - Google Patents

Abstract

The utility model discloses a kind of steam boilers for steam generator, the steam boiler (1) includes the boiler heating element (17) of boiler body (10) and setting on the bottom wall of the boiler body (10), it is equipped with compartment part in boiler chamber in the boiler body (10) to sequentially form drainage chamber (11), filter vapour chamber (12) and the condensation chamber (13) of stomata connection in ullage, is connected with steam outlet pipe (16) at the top of the condensation chamber (13).Therefore, in the steam boiler of the utility model, after steam boiler works and generates steam, steam is discharged from steam outlet pipe again after passing sequentially through drainage chamber, filter vapour chamber and condensation chamber " filtering ".In this way, the steam boiler of the utility model is a kind of novel steam boiler of included " air filtration drainage " boiler chamber, so that steam without bulky grain steam and is saturated vapor derived from the steam outlet pipe of steam boiler, the good culinary art effect of the steam boiler is ensured that.

Description

Steam boiler for steam generator

Technical field

The utility model relates to household appliance technical fields, and in particular, to a kind of steam boiler for steam generator.

Background technique

In existing household steam cooker, steam generator is generally common to boil water to generate steaming for heating The steam boiler of vapour is broadly divided into the two ways for being internal or external at cooking cavity.Wherein, internally-arranged type steam generator is usual Setting is in cooking cavity bottom wall and directly heats and hots plate water to generate steam, and externally positioned type steam generator is generally arranged at outside cavity Wall, and the steam of generation is continuously passed through in cooking cavity by steam guiding tube etc. with cooked food.

In current household steam cooker, such as steam oven etc., the interior duration for generating steam of cooking cavity is longer, from And make the waiting time of cooked food also relatively long.According to being broadly divided into two kinds for steam generation principle: one kind is storage Ability of swimming will directly be passed through water and gradually burn to boiling to generate steam in steam boiler, this mode usually requires 1 minute left side It is right；The heating element of another kind, steam boiler is cast member, usually first carries out being heated to 100 degrees Celsius or more to cast member Certain temperature, then to the cast member spray water generate steam, generally require 30 seconds or so so that culinary art waiting time It is longer.

Simultaneously because cooking cavity inner cavity and outer wall are cold environment, so that cavity inner temperature is lower, to also increase Duration is cooked, in addition, steam is when encountering the lower cooking cavity outer wall of temperature, it is easy to form water droplet and directly be dropped in institute On the food for needing to cook, so that culinary art is ineffective, finally make the experience sense of user bad.

Utility model content

The purpose of the utility model is to provide a kind of novel steam boilers of included " air filtration drainage " boiler chamber.

To achieve the goals above, the utility model provides the steam boiler for being used for steam generator, the steam boiler Boiler including boiler body and the boiler heating element that is arranged on the bottom wall of the boiler body, in the boiler body Compartment part is equipped in chamber to sequentially form the drainage chamber, filter vapour chamber and condensation chamber of stomata connection, the condensation chamber in ullage Top be connected with steam outlet pipe.

Preferably, the compartment part includes water filter plate, and the water filter plate is the hole screen for being evenly equipped with folliculus hole, the drainage Plate is arranged at intervals on the top of the liquid level, and the drainage chamber is formed between the water filter plate and the liquid level.

Preferably, the top apart from highest liquid level is arranged in not higher than 15mm in the water filter plate.

Preferably, the compartment part includes the condensing cover that cover is buckled in above the water filter plate, and the filter vapour chamber is formed in institute It states between condensing cover and the water filter plate, the roof of the condensing cover is provided with multiple ventholes.

Preferably, the roof of the condensing cover is formed with the venthole protrusive board to raise upward, and the venthole is distributed in institute It states on venthole protrusive board, the protrusive board area of the venthole protrusive board is not more than the half of the roof area of the condensing cover.

Preferably, the range in the aperture in the folliculus hole is 5mm~10mm, and the aperture of the venthole is 3mm~8mm.

Preferably, the height of the filter vapour chamber is not higher than 15mm.

Preferably, the condensation chamber is formed between the condensing cover and the roof of the boiler body, the condensing cover Ceiling edge form reflux stage portion, the water filter plate is formed with reflux emargintion, the roof of the boiler body it is cold Condensate can pass sequentially through the reflux stage portion and the reflux emargintion is back to the pot furnace cavity bottom.

Preferably, the reflux stage portion and the reflux emargintion are located at the underface of the steam outlet pipe.

Preferably, the boiler heating element is thick film.

In the steam boiler of the utility model, after steam boiler works and generates steam, steam passes sequentially through drainage It is discharged again from steam outlet pipe after chamber, filter vapour chamber and condensation chamber " filtering ".In this way, the steam boiler of the utility model be it is a kind of from The novel steam boiler of band " air filtration drainage " boiler chamber, so that steam is without big derived from the steam outlet pipe of steam boiler Particle steam and be saturated vapor, ensure that the good culinary art effect of the steam boiler.

Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.

Detailed description of the invention

Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is the perspective view according to the steam generator of preferred embodiments of the present invention；

Fig. 2 is the main view of Fig. 1；

Fig. 3 is the top view of Fig. 1；

Fig. 4 is the cross-sectional view of Section A-A in Fig. 2；

Fig. 5 is the cross-sectional view of section B-B in Fig. 3；

Fig. 6 is the explosive view of Fig. 1；

Fig. 7 is the structural schematic diagram of water filter plate；

Fig. 8 is the structural schematic diagram of condensing cover；

Fig. 9 is the cross-sectional view in the section C-C in Fig. 2；

Figure 10 is the cross-sectional view in the section D-D in Fig. 2；

Figure 11 is the perspective view according to the water route component of preferred embodiments of the present invention；

Figure 12 and Figure 13 is the perspective view according to the plate of water route component of preferred embodiments of the present invention；

Figure 14 and Figure 15 is the explosive view of plate of water route component；

Figure 16 is the main view of plate of water route component；

Figure 17 is the cross-sectional view in the section E-E in Figure 16；

Figure 18 is the perspective view according to the steam cooking apparatus of preferred embodiments of the present invention；

Figure 19 is the main view according to the steam cooking apparatus (internal structure) of preferred embodiments of the present invention；

Figure 20 is the cross-sectional view in the section F-F in Figure 19；With

Figure 21 is the structure principle chart of cell controller.

Description of symbols

1 steam boiler, 2 water route component

3 circuit board assemblies, 4 box body

5 barrier boxes

10 boiler body, 11 drainage chamber

12 filter 13 condensation chambers of vapour chamber

14 water filter plate, 15 condensing cover

16 steam outlet pipe, 17 boiler heating element

21 water pump, 22 plate of water route

23 dismounting 24 water route grooves of connector cover

25 heat-conducting plate, 26 lip ring

31 silicon-controlled units

151 venthole protrusive board, 152 venthole

153 reflux stage portions

Flow back emargintion in 141 folliculus holes 142

211 intake pump, 212 suction pump

The external water inlet of 221 boiler water inlet 222

223 external 224 installation bases of discharge outlet

211a intake pump concatenation outlet 211b intake pump concatenates entrance

212a suction pump concatenates the outlet of entrance 212b suction pump concatenation

230 outer the first plate face of water inlet M walls

241 first water route groove, 242 second water route groove

243 third water route groove N the second plate face walls

The hot heating element in 800 cooking cavity, 603 bottom

The pre- thermal element of pre- 602 rear wall of thermal element of 601 roofs

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.

In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually Be for direction shown in the drawings either for it is vertical, vertically or on gravity direction for each component mutual alignment Relationship description word.

For in existing steam cooking apparatus, usual steam generator only includes the steam boiler for generating steam, And the external of the steam boiler connects often the also water inlet components such as water pipe and intake pump, so that existing steam generator is deposited The problems such as structure is complex, occupancy volume is larger and vapor (steam) velocity is slower out, in this regard, the utility model provides one kind newly The steam generator of type, referring to shown in Fig. 1 to Fig. 6.The steam generator includes:

Steam boiler 1, including boiler heating element 17；

Water route component 2, the water pump 21 including pumping fluid or pump suction fluid to steam boiler 1；With

Cell controller, for controlling the boiler heating power of steam boiler 1 and the pump power of water pump 21.

As it can be seen that the steam generation facility of the utility model is integrated with water route component and control pump power with water pump With the cell controller of heating power, so that the steam generator has integrated modularization effect, and pass through module certainly The cell controller of band accurately controls relevant parameter, to realize that the Rapid steam output of the steam generator (can be achieved to go out in 3 seconds Steam) effect, and the modular structure be more conducive to promoted steam generator product miniaturization and unitized mesh 's.Wherein, the cell controller of the steam generator of the utility model can be with the complete machine of the complete machine configured with the steam generator Communication is realized between controller, finally to realize the effect of the Rapid steam output of complete product.

Specifically, steam generator may include box body 4, and steam boiler 1, water route component 2 and cell controller are built in In the box chamber of box body 4.Therefore, according to the generalization characteristic of the steam generation facility, which can be applied to various In the steam cooking apparatus product of household, and the steam generator of the utility model is electric by steam boiler 1, water pump 21 and control The loose mails such as road concentrate in box body 4 to be effectively compressed module volume with comprising modules structure and being applied to various types of In steam cooking apparatus complete product, moreover it is possible to effectively improve the development cycle of corresponding steam cooking apparatus.Wherein, which controls Device is generally focused on circuit board assemblies 3 (referring to Fig. 1 and Fig. 5).

As shown in Figure 5 and Figure 6, box body 4 is preferably rectangular box, cell controller and the setting stacked on top of one another of water route component 2, is steamed Boiler furnace 1 and cell controller stacked on top of one another and water route component 2 are arranged along the length direction of box chamber.As it can be seen that practical new at this In the steam generator of type, each component division of labor is clear and position is appropriate, and structure is more compact, may make the steam generator Service performance it is more reliable.

Further, the size range of the box body 4 of the steam generator of the utility model is preferred are as follows: length can be not more than 250mm, width are not more than the miniaturization modular structure of 100mm no more than 100mm, highly.

For the modular steam generator of the utility model have it is compact-sized, minimize and be able to achieve that " second goes out The effect of steam ", inventor are creatively improved and have been optimized to each functional component, will hereafter be carried out specific in detail It illustrates.

Wherein, as shown in figure 11, in the steam generator of the utility model, which includes water pump 21 and water Road plate 22.Referring to shown in Fig. 9 and Figure 10, plate of water route 22 is equipped with water route in plate, and the one end in water route is be pierced by box body 4 external in plate The mouth of a river, the other end are the boiler water inlet 221 for connecting steam boiler 1, and plate of water route 22 is additionally provided with water pump concatenation mouth, and water pump 21 passes through Water pump concatenation mouth is plugged in plate of water route 22 and is arranged in series in plate in water route.

Therefore, which not only concentrates on water pump 21 in the steam generator, is convenient for control pump in time to play The effect of flow is sent, while being also provided with the plate of water route 22 connecting with water pump 21 and steam boiler 1, which is provided with Help further shorten the water route length in steam generator, so that the generation speed of steam is helped to improve, to reach fast Fast ground " second goes out steam " effect.

With continued reference to Fig. 9 to Figure 11 and Figure 16 and Figure 17, in the water route component 2 of the utility model, water pump 21 is wrapped Intake pump 211 and suction pump 212 are included, for pumping external fluid to steam boiler 1, suction pump 212 is used for intake pump 211 By steam boiler 1, pump is inhaled and is discharged outward；Outer water inlet includes external water inlet 222 and external discharge outlet 223；Water pump concatenates mouth Including intake pump concatenation entrance 211b, intake pump concatenation outlet 211a, suction pump concatenation entrance 212a and the outlet of suction pump concatenation 212b；Water route includes the interior water inlet water route of plate being connected between boiler water inlet 221 and external water inlet 222 and is connected in plate It draws water in plate between boiler water inlet 221 and external discharge outlet 223 water route；Intake pump concatenates entrance 211b and intake pump concatenation Outlet 211a is set in plate in water inlet water route, and suction pump concatenation entrance 212a and suction pump concatenation outlet 212b are set in plate It draws water in water route.

Wherein, when intake pump 211 works, external fluid enters from external water inlet 222, followed by water of intaking in plate Road, and enter intake pump 211 from intake pump concatenation entrance 211b, and intake pump concatenation outlet 211a flow to boiler water inlet 221 And it is pumped in steam boiler 1.When suction pump 212 works, the waste liquid in steam boiler 1 can pass through boiler with being pumped out Water inlet 221, and enter suction pump 212 from suction pump concatenation entrance 212a, process flows through water route of drawing water in plate, so that steam copper Waste liquid in furnace 1 is discharged from external discharge outlet 223, in this way, water route is shorter in the plate in entire plate of water route 22, and structure It is simple and reasonable.

Specifically, as shown in Figure 9 and Figure 10, outer water inlet and boiler water inlet 221 can plate 22 by water edges of boards wall Stretch out, water pump concatenate mouth by water plate 22 the first plate face wall M stretch out.

Meanwhile water route includes the water route groove 24 being formed on the second plate face wall N opposite with the first plate face wall M in plate, To pass through water route in plate of the cooperation of each water inlet and water route groove 24 to form plate of water route 22.Shown in Figure 14 Water route groove 24, water route is preferably using the water route form of fluting in the plate of the utility model, this is because relative to enclosed Water route, the circulation waterway heat loss through conduction performance of fluting more preferably, are more conducive to the silicon-controlled unit 31 for adjusting heating power (referring to Fig. 5) carry out water cooling effect, specific structure and principle it is as detailed below in it is further elucidated above.Certainly, water route in plate It is not limited to the water route groove 24 of above-mentioned fluting form, or closed water route groove.

Further to close above-mentioned water route groove 24, the outside wall surface setting of fitting steam boiler 1 is may be selected in plate of water route 22.

Specifically, referring to shown in Fig. 9 to Figure 13, plate of water route 22 is preferably rectangular slab, along the first length side of plate of water route 22 Upwards, successively compartment of terrain is arranged in the same of plate of water route 22 for external water inlet 222, external discharge outlet 223 and boiler water inlet 221 On the edges of boards wall of long side, intake pump concatenation outlet 211a, intake pump concatenation entrance are sequentially arranged at intervals on the first plate face wall M 211b, suction pump concatenation outlet 212b and suction pump concatenate entrance 212a.

At the same time, outer water inlet 230, boiler water inlet 221 are connected to water route groove 24, and water route with water pump concatenation mouth Groove 24 is arranged on the second plate face wall N opposite with the first plate face wall M.As shown in figure 9, the water route groove 24 includes the first water Road groove 241, the second water route groove 242 and third water route groove 243, the first water route groove 241 are connected to the outlet of intake pump concatenation 211a and boiler water inlet 221, the second water route groove 242 are connected to intake pump concatenation entrance 211b and external water inlet 222, the Three water route grooves 243 are connected to external discharge outlet 223 and suction pump concatenation outlet 212b.

Preferably, the structure of the first plate face wall M and the second plate face wall N that have structure different according to the plate of water route 22 are special Property, plate of water route 22 may include the first half plate and later half plate of through-thickness overlapping, this facilitates the processing and manufacturing of plate of water route 22.Together When, plate of water route 22 be equipped with screw thread mounting post and/or installation base 224 (referring to Figure 10 and Figure 15), the screw thread mounting post and/or Installation base 224 (referring to Figure 10 and Figure 15) is the connecting portion of plate of water route 22.

In general, steam generator further includes the outer tank for being fixedly mounted on the outer wall of box body 4 and docking outer water inlet, Accordingly water route component 2 can be connected to adjacent outer tank and/or waste water tank, and external water inlet 222 connects external water inlet Case, external discharge outlet 223 connect external waste water tank.

In the box body 4 of steam generator, steam boiler 1, the plate of water route 22 of water route component 2 and water pump 21 are along box chamber Length direction is successively bonded arrangement, and water route is shorter.

The outer exit of above-mentioned plate of water route 22 includes external water inlet 222 and external discharge outlet 223, and can be respectively used to Corresponding water tank (may have 2 or multiple water tanks) is connected, but according to of the actual water tank outside the box body of steam generator 4 Several and structure differences, for example, common steam cooking apparatus usually only includes a water tank, therefore for this feelings this, especially Ground, the utility model additionally provides a kind of special plate of water route component, should if Figure 12 is into preferred embodiment shown in figure 15 Plate of water route component includes:

Plate of water route 22 is equipped with and with water inlet (i.e. above-mentioned boiler water inlet 221, hereafter consistent), external water inlet 222 and external discharge outlet 223, and with being connected in plate the water route that intakes between water inlet and external water inlet 222, water of intaking in plate Intake pump concatenation entrance 211b and intake pump concatenation outlet 211a are equipped in road, and between water inlet and external discharge outlet 223 It is connected in plate water route of drawing water, suction pump concatenation entrance 212a and suction pump concatenation outlet 212b are equipped in water route of drawing water in plate； With

Connector cover 23 is dismounted, it is outer and be equipped with and connect respectively to be removably sleeved on external water inlet 222 and external discharge outlet 223 Lead to the outer water inlet 230 of external water inlet 222 and external discharge outlet 223.

As it can be seen that plate of water route component provided by the utility model, not only includes above-mentioned plate of water route 22, further comprising can make For the dismounting connector cover 23 with disassembling function of selection.Therefore, it should be applicable to the plate of water route 22 of dismounting connector cover 23 The occasion of only one water tank or the occasion for having both inlet tank and waste water tank.Dismounting connector can whether be selected according to the actual situation Lid 23 so that the versatility of the plate of water route component is higher, when outer tank only one when, can be used and connect with the dismounting The plate of water route component of skull 23, so that corresponding connect upper outer tank for outer water inlet 230.

The utility model additionally provides a kind of water route component 2, in preferred embodiment as shown in figure 11, the water route component 2 include intake pump 211, suction pump 212 and plate of water route component described above, and intake pump 211 and suction pump 212 are plugged in respectively Plate of water route 22, the inlet and outlet of intake pump 211 dock intake pump concatenation entrance 211b and the outlet of intake pump concatenation respectively 211a, the inlet and outlet of suction pump 212 dock suction pump concatenation entrance 212a and suction pump concatenation outlet 212b respectively. Therefore the water route component 2 of the utility model also includes all advantages of above-mentioned plate of water route component, no longer repeats one by one.

In the steam generator of the utility model, it can also be integrated in the circuit board assemblies 2 and add for controlling boiler The silicon-controlled unit 31 of the boiler heating power of thermal element 17, in preferred embodiment shown in Figure 5, particularly, controllably Silicon unit 31 is set as and 22 thermal contact conductance of plate of water route.Therefore, because existing silicon-controlled unit (such as IGBT module), these electricity Power electronic semiconductor components require collocation radiator when in use and use, and realization radiates to silicon-controlled unit, to ensure The normal work of silicon-controlled unit, and the silicon-controlled unit 31 of the utility model is able to achieve by way of contacting plate of water route 22 To the water-cooling of silicon-controlled unit 31, thus instead of radiator is used, therefore this not only contributes to save installation space simultaneously The miniaturization effect of the steam generator is further increased, while also helping the production cost for reducing product.

Specifically, referring to shown in Fig. 5, Figure 11 to Figure 15, what the side wall that steam generator is equipped with plate 22 by water stretched out is led Hot plate 25, silicon-controlled unit 31 are bonded setting with heat-conducting plate 25.Generally, one end of silicon-controlled unit 31 is welded on circuit board group On the circuit board of part 3, therefore silicon-controlled unit 31 may be provided at the edge of circuit board convenient for the fitting setting of heat-conducting plate 25, it is ensured that The contact area of silicon-controlled unit 31 and heat-conducting plate 25 is sufficiently large, to realize effectively contact heat dissipation in time.

Wherein, in 4 structure of the box body of steam generator, as shown in figure 5,2 upper and lower level of circuit board assemblies 3 and water route component The length direction arrangement of folded setting, steam boiler 1 and circuit board assemblies 3 stacked on top of one another and water route component 2 along box chamber, water route Plate 22 is folded between water pump 21 and steam boiler 1.

As shown in Fig. 6, Fig. 9 and Figure 10, which includes for being spaced apart water route component 2 and circuit board assemblies 3 Barrier box 5, circuit board assemblies 3 are mounted in barrier box 5, so that the structure of circuit board assemblies 3 and plate of water route component 2 point It leaves and, realize the effect of electricity separation, it is ensured that the normal operation of circuit board assemblies 3, to ensure that the steam generator Service performance.

According to water route in plate is formed in above-mentioned Figure 14 in plate of water route 22, the formation on the second plate face wall N has water route groove 24 structure, and the side of preferably water route groove 24 towards steam boiler is set as the form of fluting, therefore, such as Figure 11 to figure In 15, heat-conducting plate 25 is preferably fixed on the second plate face wall N and covers water route groove 24, and heat-conducting plate 25 directly connects with fluid Touching, heat dissipation effect are more preferable.

The normal circulation in water route in plate to ensure plate of water route 22, as shown in Figure 15 and Figure 16, heat-conducting plate 25 and plate of water route Lip ring 26 is provided between 22, to ensure the seal flow in water route in plate.

At the same time, since water pump 21 includes intake pump 211 and suction pump 212, intake pump 211 is used for steam boiler 1 Interior pumping fluid (typical temperature is that room temperature or temperature are lower), and realize that the heating to fluid is steamed to generate by steam boiler 1 Vapour, and suction pump 212 is used to so that boiling next time generates steam therefore draw water the fluid pumping extraction in steam boiler 1 The fluid temperature (F.T.) that 212 pump of pump is inhaled is usually higher and is not obvious to the heat dissipation effect of silicon-controlled unit 3, therefore, silicon-controlled unit 31 are preferably provided in close to the side of intake pump 211, so that the water-cooled effect of silicon-controlled unit 31 is more preferable.

In the preferred embodiment of the steam boiler 1 of the steam generator of the utility model, referring to fig. 4 to Fig. 6, steam Boiler furnace 1 includes boiler body 10 and the boiler heating element 17 being arranged on the bottom wall of boiler body 10, boiler body 10 Compartment part is equipped in interior boiler chamber to sequentially form the drainage chamber 11, filter vapour chamber 12 and condensation chamber of stomata connection in ullage 13, the top of condensation chamber 13 is connected with steam outlet pipe 16.

Therefore, in the steam boiler of the utility model 1, after steam boiler 1 works and generates steam, steam successively leads to It is discharged again from steam outlet pipe 16 after filtering water cavity 11, filter vapour chamber 12 and condensation chamber 13 " filtering ".In this way, the utility model Steam boiler 1 is a kind of novel steam boiler of included " air filtration drainage " boiler chamber, so that from the steam (vapor) outlet of steam boiler 1 Steam derived from pipe 16 is without bulky grain steam and is saturated vapor, ensures that the good culinary art effect of steam boiler 1.

Specifically, compartment part includes water filter plate 14, as shown in fig. 7, water filter plate 14 is the hole grid for being evenly equipped with folliculus hole 141 Plate, water filter plate 14 are arranged at intervals on the top of liquid level, and drainage chamber 11 is formed between water filter plate 14 and liquid level.This is because To the fluid (such as water) in steam boiler 1 carry out heating boil when, and water burn to boiling when can generate a large amount of bubbles, and gas Bubble can generate water droplet in explosion, at the same these bubbles and water droplet be easy guidance to steam outlet (such as steam outlet pipe 16) and It forms scale and blocks steam outlet.And being provided with to be evenly equipped in the present invention facilitates uniform " brokenly bubble " folliculus hole 141 water filter plate 14, and water filter plate 14 also helps and is isolated and prevents the water droplet generated after rupture or steam from continuing up stream It is dynamic, so that " brokenly bubble " water droplet or moisture backflow and drops to liquid level or less afterwards.Therefore, when adding as compartment part After water filter plate 14, steam can be carried out in preliminarily isolation and filtered atmospheric bubble after the drainage chamber 11 with the water filter plate 14 Steam, while additionally aid avoid scale block steam outlet pipe 16 so that the drainage chamber 11 have " brokenly bubble drainage " Effect.

Preferably, the top apart from highest liquid level is arranged in not higher than 15mm in water filter plate 14.

At the same time, compartment part may also include the condensing cover 15 that cover is buckled in 14 top of water filter plate, as shown in Fig. 8, filter vapour chamber 12 are formed between condensing cover 15 and water filter plate 14, and the roof of condensing cover 15 is provided with multiple ventholes 152.Therefore, work as steam It is entered after the filtering of drainage chamber 11 in filter vapour chamber 12, the condensation of bulky grain steam can be further carried out in air filtration chamber And filtering.

Further, the roof of condensing cover 15 is formed with the venthole protrusive board 151 to raise upward, with continued reference to shown in Fig. 8, Venthole 152 is distributed on venthole protrusive board 151, and the protrusive board area of venthole protrusive board 151 is not more than the top wall surface of condensing cover 15 Long-pending half.When steam from condensing cover 15 upwards be discharged when, can condensing cover 15 roof other not with vapor opening 152 position forms to hit and act on baffling, facilitates further filtering and the condensation effect of steam, finally makes these Steam by filtering can be from the discharge of vapor opening 152 for concentrating venthole protrusive board 151.Certainly, the protrusive board face of venthole protrusive board 151 Product can not be to occupy the mistake small scale of the gross area, take into account the effect for smoothly flowing up and being discharged of steam.

For the brokenly bubble and air filtration effect for ensuring water filter plate 14 and condensing cover 15, the aperture in folliculus hole ranges preferably from 5mm ~10mm, the aperture of venthole 152 range preferably from 3mm~8mm.

Meanwhile the height for filtering vapour chamber 12 is not higher than 15mm.

Further, as shown in Figure 6 and Figure 8, condensation chamber 13 be formed in condensing cover 15 and boiler body 10 roof it Between, the ceiling edge of condensing cover 15 forms reflux stage portion 153, and water filter plate 14 is formed with reflux emargintion 142, boiler sheet The condensed water of the roof of body 10 can pass sequentially through reflux stage portion 153 and reflux emargintion 142 is back to a pot furnace cavity bottom, Finally make steam obtain condensation again in condensation chamber 13, is exported out of the steam boiler 1 to better ensure Steam be saturated steam.In addition, the reflux and recycling of condensed water also contribute to the endurance at water source.

To make reflowing result more thorough, reflux stage portion 153 and reflux emargintion 142 are located at steam outlet pipe 16 Underface.

The steam generator of the utility model is the heating efficiency for improving steam boiler 1, to realize the effect of Rapid steam output Fruit, boiler heating element 17 are preferably thick film.

To enable the modular steam generator Rapid steam output of the utility model, realize " second goes out steam " and The effect for continuing steam out in subsequent process, in the circuit board assemblies 3 of the utility model, cell controller includes stream Measure process control module, discharge process control module be configured that when steam generator start to work when, start steam boiler 1 with The heating of predetermined heat power W invariable power, while starting water pump 21 and supplying liquid toward steam boiler 1 with initial feed liquor flow X1.Its In, X1=X0*Y, Y are the multiple value constant no more than 3 and not less than 1.5, and X0 is working as corresponding to predetermined heat power W Preceding Power Theory evaporates flow.

Since the amount that avoid dry combustion method, the inflow of steam boiler 1 is often given in the prior art is larger, i.e., By the larger of initial feed liquor flow X1 setting, multiple Y is larger.Usually setting Y is 10 times or so even more big, and then is caused existing The vapor (steam) velocity out of some steam boilers is slower.In contrast, in the steam generator of the utility model, " second goes out steam " Key is rationally to control the confluent of initial feed liquor flow X1 to realize Rapid steam output and avoid dry combustion method.Therefore, it is providing After heating power, that is, predetermined heat power W, corresponding current power theory evaporation liquid measure X0 is calculated, and then control initial feed liquor stream Amount is Y times of X0, and in the reasonable scope, can be realized the second goes out steam to Y, wherein Y be preferably not greater than 3 and not less than 1.5 again Number value constant.

In general, theoretical evaporation liquid measure X0 meets:

Wherein, C1 is the specific heat capacity of liquid, and T0 is initial liquid temperature, and T1 is boiling point of liquid temperature, and C2 is the heat of gasification of liquid Parameter.Therefore, when predetermined heat power W is provided, the theoretical evaporation liquid measure of current power can be obtained according to above-mentioned formula (1) X0。

Meanwhile cell controller further includes heating frequency control module, heating frequency control module setting are as follows: according to setting Second go out steam duration T and multiple value constant Y and obtain predetermined heat power W, predetermined heat power W meets: W*T >=X₁*T*Q₁ +Q₃*m₁；(2)

Wherein,

C1 is the specific heat capacity of liquid, and C2 is the gasification thermal parameter of liquid, and C3 is this stature of the burner hearth peripheral wall of steam boiler 1 The specific heat capacity of matter, T0 are initial liquid temperature, and T1 is boiling point of liquid temperature, and m1 is the quality of burner hearth peripheral wall, and Q1 is single in the unit time The heat that the liquid of position quality is absorbed during rising to T1 from T0, Q3 are the burner hearth peripheral wall of unit mass in the unit time The heat absorbed during rising to T1 from T0.

In the modular steam generator of the utility model, cell controller control realizes that " second goes out steam " mainly deposits In the control of three variable parameters, respectively out steam number of seconds T, predetermined heat power W and current power theory evaporate flow Multiple Y.Referring to fig. 2 shown in 1, the steam generator of the utility model is in different applications, by being made steam number of seconds T And the multiple Y in zone of reasonableness, the calculating comparing unit or table in the heating frequency control module of cell controller can be passed through Lattice query unit and determine predetermined heat power W, and then corresponding predetermined heat is adjusted by silicon-controlled unit 31 on hardware Power W realizes versatility application, the design of modularization steam generator.

The steam generator of the utility model can realize the effect of Rapid steam output, theoretically the second go out steam duration T can be with No more than 3 seconds.

When experiment, it is passed through 25 DEG C of water into steam boiler 1 carries out heating and boil to generate steam.Wherein, steam boiler 1 The material of burner hearth peripheral wall is stainless steel, and the specific heat capacity C1 of water is 4.186KJ/Kg* DEG C, and the gasification thermal parameter C2 of water is 2257.2KJ/Kg, the specific heat capacity C3 of stainless steel are 0.449KJ/Kg* DEG C, and initial liquid temperature T0 is 25 DEG C, and the boiling temperature T1 of water is 100 DEG C, the quality m1 of burner hearth peripheral wall is 91.3g.It is calculated according to formula (2) and formula group (3), as default heating power W When for 2000W, when taking Y=2.3 times, it is about 3 seconds that the theoretical initial duration steam number of seconds T for generating steam, which can be calculated,.

In the use process of the modularization steam generator, the discharge process control module limited flow rate of cell controller Reasonable fluctuation is adjusted on a timeline, i.e. timely adjustment feed liquor flow Y*X0 is, it can be achieved that faster go out steam, i.e., so-called " second Steam out " and continues steam out and prevent dry combustion method.

For real-time monitoring water level cell controller is realized during the feed liquor of steam boiler 1 prevents dry combustion method and avoids Lead to not quickly or continue steam out because heating excessive water, is equipped with level sensor (not shown), flow in steam boiler 1 Process control module is additionally configured to: being gone out in steam course in the continuous heating of steam generator, is controlled water pump 21 so that steam Boiler liquid level in boiler 1 is between anti-dry liquid level and excessive liquid level.

To ensure to maintain to continue steam out after realizing initial " second goes out steam " in steam generator, so that in fluid infusion Steam will not be interrupted and still keep to continue to generate steam in journey.In this regard, discharge process control module is further configured to:

When initial boiler liquid level in steam boiler 1 reaches default control liquid level, so that feed liquor flow is by initial feed liquor stream Amount X1 comes down to current power theory evaporation flow X0；And

Boiler liquid level is persistently detected, when boiler liquid level is higher by default control liquid level in continuous exceeded detection time T ' When, reduce feed liquor flow and is adjusted to decrement feed liquor flow X3；

Alternatively, increasing feed liquor when boiler liquid level is below default control liquid level in continuous exceeded detection time T ' Flow is simultaneously adjusted to increment feed liquor flow X4；

Wherein, default control liquid level is between anti-dry liquid level and excessive liquid level.

Preferably, decrement feed liquor flow X3 is the half that current power theory evaporates flow X0, and increment feed liquor flow X4 is Current power theory evaporates twice of flow X0, to ensure that the boiler liquid level in steam boiler 1 maintains anti-dry liquid level and mistake It measures between liquid level.

Wherein, exceeded detection time T ' and multiple value constant Y is in inverse ratio.

At the same time, discharge process control module is additionally configured to: when steam generator stops working, control water pump 21 is pumped Imbibition body is with the fluid in depleted of steam boiler 1, so that not only water can be formed to avoid extraction raffinate is remained in steam boiler 1 Dirt, while being also to start next time and ensure that Rapid steam output is ready.

In addition, the utility model additionally provides a kind of steam cooking apparatus, referring to shown in Figure 18 to Figure 20, the steam cooking Device includes cooking cavity 800, while further including steam generator described above, and the steam generator is to cooking cavity Steam is imported in 800.Therefore the steam cooking apparatus of the utility model also includes all advantages of above-mentioned steam generator, no It repeats one by one again.

Due in existing steam cooking apparatus, before steam is passed through cooking cavity 800, cooking cavity 800 it is interior Low temperature environment is in wall and chamber.If directly steam is passed through in the cooking cavity 800 in low temperature environment, not only make The environment temperature rate of climb in cooking cavity 800 is slow, and easily lead to steam encounter low temperature inner wall formed it is cold Condensate directly drops on food, this mouthfeel that not only will affect food also will affect the appearance of food, to influence food Effect is cooked, such as when cooking steamed bun, will affect fermentation expansion of steamed bun and other effects.In this regard, the steam of the utility model is cooked Device of preparing food further includes the preheating heating element being arranged around the outer wall of cooking cavity 800 and the complete machine with cell controller communication Controller, complete machine controller are configured that synchronous averaging preheats heating unit when controlling heating steam boiler 1 by cell controller Part is to preheat cooking cavity 800, so that synchronous averaging preheats the function of cooking cavity 800 when heating steam boiler 1, so that Environment in cooking cavity 800 is obtained to preheat rapidly.

Wherein, it preheats the preheating heating power of heating element and subtracts boiler function for the maximum heating power of steam cooking apparatus Rate and pump power, so that the operating power of steam cooking apparatus be made to be no more than the specified heating power of highest that complete machine uses.

Referring to shown in Figure 19 and Figure 20, preheating heating element include for the roof of heating cooking cavity 800 roof it is pre- Thermal element 601, for the rear wall of heating cooking cavity 800 the pre- thermal element 602 of rear wall and be used for heating cooking cavity 800 Bottom wall the pre- thermal element 603 of bottom wall, complete machine controller is further configured to: it is pre- successively to start the pre- thermal element 601 of roof, rear wall Thermal element 602 and the pre- thermal element 603 of bottom wall, so that the pre- thermal element 601 of roof, the pre- thermal element 602 of rear wall and the pre- thermal element of bottom wall 603 successively operate intermittently.

In addition, since the most of enamel materials good using performance of existing cooking cavity 800 are as cavity material, because This, issues the problems such as changing color or deformation to prevent enamel cavity from appearing in high-temperature heating, preheats heating element and cooking cavity 800 outer wall face interval setting, so that preheating heating element forms contactless heating to the outside wall surface of cooking cavity 800.

Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above Detail in above embodiment can be to the skill of the utility model in the range of the technology design of the utility model Art scheme carries out a variety of simple variants, these simple variants belong to the protection scope of the utility model.

It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the utility model is to each No further explanation will be given for the possible combination of kind.

In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.

Claims (10)

1. a kind of steam boiler for steam generator, which is characterized in that the steam boiler (1) includes boiler body (10) And boiler heating element (17) on the bottom wall of the boiler body (10) is set, the boiler in the boiler body (10) Compartment part is equipped in chamber to sequentially form drainage chamber (11), filter vapour chamber (12) and the condensation chamber of stomata connection in ullage (13), steam outlet pipe (16) are connected at the top of the condensation chamber (13).

2. the steam boiler according to claim 1 for steam generator, which is characterized in that the compartment part includes filter Water plate (14), the water filter plate (14) are the hole screen for being evenly equipped with folliculus hole (141), and the water filter plate (14) is arranged at intervals on institute The top of liquid level is stated, the drainage chamber (11) is formed between the water filter plate (14) and the liquid level.

3. the steam boiler according to claim 2 for steam generator, which is characterized in that the water filter plate (14) sets It sets in the top apart from highest liquid level not higher than 15mm.

4. the steam boiler according to claim 2 or 3 for steam generator, which is characterized in that the compartment part packet The condensing cover (15) that cover is buckled in above the water filter plate (14) is included, the filter vapour chamber (12) is formed in the condensing cover (15) and institute It states between water filter plate (14), the roof of the condensing cover (15) is provided with multiple ventholes (152).

5. the steam boiler according to claim 4 for steam generator, which is characterized in that the condensing cover (15) Roof is formed with the venthole protrusive board (151) to raise upward, and the venthole (152) is distributed in the venthole protrusive board (151) On, the protrusive board area of the venthole protrusive board (151) is not more than the half of the roof area of the condensing cover (15).

6. the steam boiler according to claim 4 for steam generator, which is characterized in that the aperture in the folliculus hole Range be 5mm~10mm, the aperture of the venthole (152) is 3mm~8mm.

7. the steam boiler according to claim 5 for steam generator, which is characterized in that filter vapour chamber (12) Height is not higher than 15mm.

8. the steam boiler according to claim 4 for steam generator, which is characterized in that condensation chamber (13) shape At between the condensing cover (15) and the roof of the boiler body (10), the ceiling edge of the condensing cover (15) is formed back It flows stage portion (153), the water filter plate (14) is formed with reflux emargintion (142), the roof of the boiler body (10) Condensed water can pass sequentially through the reflux stage portion (153) and the reflux emargintion (142) is back to the boiler chamber Bottom.

9. the steam boiler according to claim 8 for steam generator, which is characterized in that the reflux stage portion (153) and reflux emargintion (142) is located at the underface of the steam outlet pipe (16).

10. the steam boiler according to claim 2 for steam generator, which is characterized in that the boiler heating unit Part (17) is thick film.