CN100414173C - High frequency heater with vapor generating function - Google Patents

High frequency heater with vapor generating function Download PDF

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Publication number
CN100414173C
CN100414173C CNB200480013667XA CN200480013667A CN100414173C CN 100414173 C CN100414173 C CN 100414173C CN B200480013667X A CNB200480013667X A CN B200480013667XA CN 200480013667 A CN200480013667 A CN 200480013667A CN 100414173 C CN100414173 C CN 100414173C
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China
Prior art keywords
carrier pipe
heater
thermatron
water
generating function
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CNB200480013667XA
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CN1791769A (en
Inventor
神崎浩二
森泰久
松田正人
河合佑
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Publication of CN1791769A publication Critical patent/CN1791769A/en
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Publication of CN100414173C publication Critical patent/CN100414173C/en
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Abstract

It comprises a heating means main body having a heating means (27) embedded therein, a transport pipe heating section (113) for boiling a liquid in a transport pipe (112), a heat transmission control section (114) made of a material whose thermal conductivity is lower than that of the material of which an evaporation section (25) is made, wherein scale adhesion which attends local boiling in the transport pipe can be suppressed by reducing the rate of heat transmission to the transport pipe (112) while setting the heating means at a high temperature to secure heat energy to be supplied to the side for boiling. And, it is possible to provide a vapor supplying mechanism which maintains the heat energy supply balance between the transport section and the evaporation section in a satisfactory state and which continuously generates vapor at high temperatures close to 100 Celsius system.

Description

Thermatron with steam generating function
Technical field
The present invention relates to a kind of thermatron with steam generating function, it comprises the high frequency waves generation device, be used for high frequency waves are outputed to and comprise the heating clamber that is heated object, with the steam feed mechanism, be used for steam is supplied to the heating clamber of heating usefulness, so as by will be at least a kind of in high frequency waves and the steam supply to handle in the heating clamber and be heated object.
Background technology
Thermatron with high frequency waves generation device can be used for high frequency waves are outputed to and comprises the heating clamber that is heated object, it has developed rapidly becomes a kind of electronic range, this electronic range is the heating cooking device of a kind of food material etc., because can heat the object that is heated that is in the heating clamber at short notice effectively.
Yet a kind of defective is that described heating only limits to heat by the use high-frequency heating, and device can not carry out the culinary art of variety of way.
Therefore, proposed in recent years a kind of by being increased in the heating clamber electronic heater that produces heat, the thermatron that can carry out the baking oven heating, also proposed a kind of by increase will heating steam supply to steam feed mechanism in the heating clamber, have the thermatron (for example JP-A-54-115448) of carrying out the steam generating function of heating cooking by high-temperature steam.
The structure of the steam feed mechanism in the thermatron of background technology is formed and is comprised the aqua storage tank that is removably mounted on the apparatus main body, be installed in the water supply dump tank (evaporation part) in the heating clamber, make the heater of the water evaporation on the water supply dump tank (evaporation part) by heating water supply dump tank (evaporation part), with by pump installation is installed the water in the aqua storage tank is supplied to the dedicated pump device of water supply dump tank (evaporation part), the problem that causes thus is that this structure is very complicated and bulky.
In addition, according to the steam feed mechanism that uses the dedicated pump device in the background technology, in order to control the amount that supplies to the steam in the heating clamber, need to control the temperature of heater simultaneously, and the quantity delivered of control pump device, the problem that causes thus is that the necessary control of control steam delivery volume is handled very complicated.
In addition, do not pass through at water in the time cycle of (problem that produces because of hot water for fear of pump simultaneously) just conveyings such as preliminary heating, the water that will be stored in the aqua storage tank by the dedicated pump device is transported to water supply dump tank (evaporation part), therefore the water temperature that supplies in the water supply dump tank (evaporation part) is very low, the problem that causes thus is that this time cycle is very long, up to having produced steam by heater heating water supply dump tank (evaporation part).
On the other hand, can also supply water in the water supply dump tank by the heating carrier pipe, this carrier pipe is used for water is supplied to water supply dump tank (evaporation part) from aqua storage tank, and makes its inner water boiling.In this case, must control the amount of heating carrier pipe.
That is to say that when the heat that offers carrier pipe was very big, the heat that offers the evaporation part just became not enough, and water can be stored in the evaporation part.In addition, the vapor (steam) temperature of generation is lower, and perhaps the quantitative change of steam gets not enough.In addition, although do not allow hydropexis on the evaporation part in order to evaporate the water, must increase the thermal capacity that offers the evaporation part or after stopping water supply, operate heater, when increasing the thermal capacity of evaporation part, prolonged the rising time cycle up to having produced steam, under latter event, need a kind of method of detected temperatures.
On the other hand, when the heat that offers carrier pipe is very little, can cause transmission failure.In addition, when causing transmission failure, just do not consume the load of the heat of heater generation, therefore the temperature owing to spontaneous hot heater itself can raise.According to the rising of temperature, increase the heat that offers carrier pipe one side, when heat surpassed threshold values, transporting water produced local boiling simultaneously.Therefore, supply to the evaporation part by the load with consumption of calorie, heater can be got back to predetermined temperature.When temperature is lower than predetermined temperature, can cause transmission failure once more.Owing to repeat this phenomenon, also the problem that can cause is to have promoted adhering to of incrustation scale in the local boiling fast in carrier pipe, thereby causes the obstruction of carrier pipe.
Summary of the invention
Consider that the problems referred to above have designed the present invention, an object of the present invention is to provide a kind of thermatron with steam generating function, it has exempted the dedicated pump device that the water in the aqua storage tank is supplied to water supply dump tank (evaporation part), can make simplifying the structure of steam feed mechanism and miniaturization by omitting pump installation, in addition, the necessary control of control steam delivery volume is handled to be oversimplified, in addition, the time cycle that needs by shortening generation steam can produce steam apace, in addition, by keeping to produce steam continuously well to delivery section one side with to the heat energy balance between supply and demand of evaporation part one side.
In order to solve the problem in the background technology, thermatron with steam generating function of the present invention constitutes: the thermatron with steam generating function, this thermatron with steam generating function comprises the high frequency waves generation device, be used for high frequency waves are outputed to and comprise the heating clamber that is heated object, with the steam feed mechanism, be used for the steam of heating is supplied to heating clamber, wherein heating is heated object to handle in the heating clamber by at least a in high frequency waves and the heating steam supplied to, wherein the steam feed mechanism comprises the aqua storage tank that can be connected and remove and install with apparatus main body, be installed in the evaporation part of heating clamber inside, the heater that evaporates the water by heating evaporation portion, make water local boiling in the aqua storage tank water is transported to the carrier pipe of evaporation part, be connected with heater with carrier pipe and utilize the heat energy of heater to make the carrier pipe heating part of the water boiling in the carrier pipe, with the heat transfer control part, this heat transfer control part comprise thermal conductivity ratio form the littler material of the thermal conductivity of evaporation part and be inserted into carrier pipe and heater between, wherein be controlled from the amount of heater to the heat energy of carrier pipe conduction.
In addition, preferably the upstream side in liquid throughput direction heating part is provided with check-valves.
In addition, construct a kind of structure, prevented that wherein heat energy owing to heater from making bubble that the water boiling in the carrier pipe produces to check-valves one side shifting.
In addition, preferably when having been produced local boiling and water by the heat energy from heat transfer control part conduction and be transported to the evaporation part, the temperature of control carrier pipe makes it be equal to or less than 120 ℃.
In addition, construct a kind of structure, wherein the heat energy that utilizes heater can be made the water boiling in the carrier pipe and the bubble that produces is discharged from the exhaust portion that is arranged on carrier pipe.
According to the thermatron with steam generating function of constructing in this way, can arrange water supply path (carrier pipe) through the thermal treatment zone of heater, the water local boiling in the water supply path that makes the heat that produces by heater realizes the function of pump, does not need to be used for the water of aqua storage tank is supplied to the dedicated pump device of evaporation part.
Therefore, can realize the simplification of structure composition and the miniaturization of steam feed mechanism by omitting the dedicated pump device.
In addition, the heat of utilizing heater to produce supplies water to the evaporation part, therefore only operate by the heat generation of control heater, just can realize the quantity delivered control of steam, and compare with the structure that needs in the background technology to control the dedicated pump device, can make the quantity delivered of steam control needed control processing simplification.
In addition, the heat of utilizing heater to produce reaches the water that supplies to the evaporation part to have raise the state of its temperature, and therefore can shorten and begin to produce the required time cycle of steam from supplying to the evaporation part, and heating steam promptly.
In addition, can set the evaporation part for high temperature, the temperature of heat transfer part is set at 100-120 ℃ the temperature range that can make the water boiling, thereby can stablize the water that evaporation is promptly carried, keep the liquid conveying function simultaneously, suppress to constitute adhering to of incrustation scale in the carrier pipe of heat transfer part, and can produce high-temperature steam continuously.
In addition,, overflow from the top of carrier pipe, can guarantee stable liquid conveying function, suppress adhering to of incrustation scale, and can produce high-temperature steam continuously by making bubble even in the time of local boiling in carrier pipe, produced bubble.
Description of drawings
Fig. 1 is the profile perspective view of an embodiment that has the thermatron of steam generating function according to the present invention;
Fig. 2 is when opening/close front that door the is in open mode shape assumption diagram when watching the inside of heating clamber from the heating clamber of thermatron with steam generating function as shown in Figure 1;
Fig. 3 is the shape assumption diagram with the steam feed mechanism in the thermatron of steam generating function as shown in Figure 1;
Fig. 4 is the shape assumption diagram of steam feed mechanism when single water supply dump tank is provided;
Fig. 5 shows in having the thermatron of steam generating function and to connect and pull down the schematic diagram of the operation of aqua storage tank, Fig. 5 (a) is the key diagram that the state of aqua storage tank is installed, Fig. 5 (b) exposes the key diagram that tank inserts the state of mouth, and Fig. 5 (c) is a key diagram of extracting the state of aqua storage tank out;
Fig. 6 is the enlarged perspective of the aqua storage tank that uses in steam feed mechanism as shown in Figure 4;
Fig. 7 is the schematic diagram in the syndeton at the place, side of as shown in Figure 4 steam feed mechanism device;
The backflow that Fig. 8 shows the base end part of aqua storage tank part in connection layout 6 and water supply path prevents the schematic diagram of structure, Fig. 8 (a) shows the view of the state that the connector of container body wherein do not cooperate with the round tube portion of base end part, and Fig. 8 (b) shows the wherein view of the complete state that cooperates with the round tube portion of base end part of connector of container body;
Fig. 9 is the view that the arrow mark A from Fig. 6 watches, and it is the structural representation that utilizes the heater heating water supply path that is arranged in bottom of device;
Figure 10 has illustrated to utilize thermistor control evaporation capacity and detect unusual view;
Figure 11 is the decomposition diagram according to the steam feed mechanism of embodiments of the invention 1;
Figure 12 is the sectional view along the line A-A ' of Figure 11;
Figure 13 is the decomposition diagram according to the steam feed mechanism of embodiments of the invention 2;
Figure 14 is the sectional view along the line B-B ' of Figure 13;
Figure 15 is the sectional view that comprises the carrier pipe of carrier pipe heating part in the embodiment of the invention 3 or the like;
Figure 16 is the decomposition diagram according to the steam feed mechanism of embodiments of the invention 4;
Figure 17 is the sectional view along the line A-A ' of Figure 16;
Figure 18 shows the sequential chart according to the state of the thermistor detection level of embodiments of the invention 4 and operation thermal source (heater);
Figure 19 is the decomposition diagram according to the steam feed mechanism of embodiments of the invention 5;
Figure 20 shows the sequential chart according to the state of the thermistor detection level of embodiments of the invention 5 and operation thermal source (heater);
Figure 21 is the structure chart according to the steam feed mechanism of embodiments of the invention 6;
Figure 22 is the sectional view along the line A-A ' of Figure 21;
Figure 23 is the outline drawing according to the steam feed mechanism of embodiments of the invention 7;
Figure 24 is the sectional view along the line B-B ' of Figure 23;
Figure 25 is the structure chart according to the steam feed mechanism of embodiments of the invention 8;
Figure 26 is the structure chart according to the steam feed mechanism of embodiments of the invention 9;
Figure 27 is the decomposition diagram according to the steam feed mechanism of embodiments of the invention 10;
Figure 28 is the sectional view along the line A-A ' of Figure 27;
Figure 29 (a)-(d) shows and utilizes two carrier pipe heating part members as shown in figure 27 to clamp the sectional view of the state of (pinching) carrier pipe; Figure 29 (a) shows the view of the width dimensions A of semi-circular recesses portion wherein less than the situation of the outer shape size X of carrier pipe; Figure 29 (b) shows the view of the width dimensions A of semi-circular recesses portion wherein greater than the situation of the outer shape size X of carrier pipe; The width dimensions A that Figure 29 (c) shows semi-circular recesses portion wherein is greater than the depth dimensions B of the situation of the outer shape size X of carrier pipe 112 and the semi-circular recesses portion view greater than the situation of the outer shape radius size X/2 of carrier pipe; Figure 29 (d) shows the view in the situation after the state of Figure 29 (c) is bolted on;
Figure 30 shows the construction profile figure according to the carrier pipe 112 of embodiments of the invention 10;
Figure 31 shows the construction profile figure according to the carrier pipe 143 of embodiments of the invention 11;
Figure 32 is the decomposition diagram according to the steam feed mechanism of embodiments of the invention 12;
Figure 33 is the sectional view along the line A-A ' of Figure 32; And
Figure 34 is the schematic diagram in the syndeton at the place, side of steam feed mechanism device.
The specific embodiment
Provide detailed description below with reference to accompanying drawing according to the thermatron with steam generating function of the embodiment of the invention.
(embodiment 1)
Fig. 1 and 2 is the outline drawing that has the thermatron of steam generating function according to the present invention.
Thermatron 100 with steam generating function can be as the electronic range that can heat, so that utilize the steam cooking food material of high frequency waves and heating, it comprises: high frequency waves generation device (magnetron) 5 is used for high frequency waves are outputed to the inside that comprises the heating clamber 3 that is heated object such as food material or analog; With steam feed mechanism 7, be used for will heating steam supply to the heating clamber 3 of heating usefulness so that by with at least a object that is heated of handling heating clamber 3 inside in the heating clamber 3 that supplies in the steam of high frequency waves and heating.
Heating clamber 3 is formed on the inside of main body cover 10, and the front of main body cover 10 is equipped with out/closes door 13, and the window 13a that it has printing opacity is used for opening/closing when the outlet taking-up from heating clamber 3 is heated object.By utilizing hinge to make the top coupling of this bottom of opening/closing door 13 and main body cover 10, and by catching the handle 13b that is arranged on a top to spur to the front, can open and close this along direction up and down and open/close door 13, can constitute open mode as shown in Figure 2.
Provide predetermined insulating space between the wall of heating clamber 3 and main body cover 10, if necessary this space is filled with insulating component.
Especially, constitute by the circulation fan chamber of the circulating fan that comprises the inner air that is used to stir heating clamber 3 and the drive motors (not shown) of fan in the space of heating clamber 3 back, the rear wall of heating clamber 3 has constituted a partition wall, is used for heating clamber 3 and circulation fan chamber are separated.
Although do not illustrate, the partition wall 15 that constitutes heating clamber 3 rear walls is equipped with air inlet and gas outlet, described air inlet is used for sucking air from heating clamber 3 one side direction circulating fans one side, and described gas outlet is used for separately wind being blown side to heating clamber 3 one sides from circulation fan chamber one by making it form the zone.Each exhaust outlet is formed with a plurality of punchings.
Under the situation of present embodiment, as shown in Figure 2, high frequency generation device (magnetron) 5 is arranged in the space of downside of heating clamber 3, and mixing arm 17 is arranged on the position of the high frequency waves that acceptance produces from high frequency generation device (magnetron) 5.In addition, by from the mixing arm 17 irradiation high frequency waves of high frequency generation device (magnetron) 5, high frequency waves are supplied to the inside of heating clamber 3, stir with mixing arm 17 simultaneously to rotation.In addition, high frequency generation device (magnetron) 5 and mixing arm 17 are not limited to be fed into the bottom of heating clamber 3, but also can be on heating clamber 3 or a side provide.
As shown in Figure 3, the structure of steam feed mechanism 7 comprises an aqua storage tank 21 that can be connected and remove and install with apparatus main body, two water supply dump tanks (evaporation part) 25 that are arranged in the heating clamber 3, make the heater 27 of the water evaporation on the water supply dump tank (evaporation part) 25 by heating water supply dump tank (evaporation part), the water in the aqua storage tank 21 is directed to the two-way water supply path 29 of water supply dump tank (evaporation part) by the heating region of heater 27, stop valve 33 and the stop valve 45 on water supply path one side in tank one side, described stop valve is installed on the part that connects aqua storage tank 21 and each water supply path 29, when removing aqua storage tank 21, be used for preventing that the water of aqua storage tank and water supply path from leaking, the check-valves 47 that also comprises the downstream that is arranged in water supply passage side stop valve 45 is used for anti-sealing and is back to aqua storage tank 21 from water supply path 29.
About comprising the water supply path 29 of two paths,, set identical distance from the heating region of each heater 27 for to the distance of water export 29e at the front end of water supply path although the back will provide the detailed description to it.
In addition, as shown in Figure 4, steam feed mechanism 7 can also be configured to produce the structure of steam by supplying water to a water supply dump tank (evaporation part) 25 from a water supply path 29.
In the present embodiment, aqua storage tank 21 is to be shaped as handling the fabulous flat parallel hexahedral box type of operating aspect, and can insert and be installed to the tank accommodation section 35 integrated with the side of main body cover 10, can also be as shown in Figure 1, make it possible to easily aqua storage tank 21 is connected with apparatus main body (main body cover 10) and pull down, and aqua storage tank 21 is difficult to be subjected to heat damage because of the heating of heating clamber 3 inside.
As shown in Figure 5, the rear end side of tank accommodation section 35 is by hinge and main body cover 10 couplings, when the engagement of its leading section breaks away from, shown in the arrow mark (a) among Fig. 5 (a), front can pivot and make the tank at front end place to insert mouthful 36 exposures laterally, shown in the arrow mark (b) among Fig. 5 (b).
In that tank is inserted under mouthful 36 situations about exposing, can extract aqua storage tank 21 out along the direction of arrow mark (c) expression among Fig. 5 (c).
By aqua storage tank 21 is inserted mouth 36 along being inserted into tank in the opposite direction with the side of extracting aqua storage tank 21 out, finally finish the installation of aqua storage tank 21.
As shown in Figure 6, aqua storage tank 21 is made of container body 22 and open/close cap 23, and described container body is shaped as flat parallelepiped, and open on its top, and described open/close cap has covered the upper shed part of container body 22.Container body 22 and open/close cap 23 are formed from a resin.
Container body 22 is made by transparent resin, make it possible to find out surplus water in body interior with eyes, and two sides of container body 22 is provided with the scale 22a of the level of expression surplus water.As Fig. 5 and shown in Figure 7, its part that is provided with scale 22a is exposed to the outside of the window 37 that has groove in addition, and this window forms at the front-end edge place of tank accommodation section 35, makes human eye can find out the surplus water of aqua storage tank 21 inside from the outside.
As shown in Figure 6, being connected the cylindrical shape connector 22b that cooperates with water supply path 29 protrudes in the position of the bottom of close container body 22 back.Shown in Fig. 8 (a), this connector 22b has stop valve 33 in the tank side, by making connector 22b sealing, with the state of aqua storage tank 21 from the apparatus main body taking-up, can prevent that the water that stores from flowing out.
Can constitute the water supply dump tank (evaporation part) 25 of present embodiment by the groove of the water in the part base plate 4 of heating clamber 3, form to accept supplied with, and it is as a whole with base plate 4 formations.
As mentioned above, according to present embodiment, water supply dump tank (evaporation part) 25 is separately positioned on the left side and the right side at base plate 4 rear portions.
Heater 27 is the following contacted sheathed heaters that are arranged to each water supply dump tank (evaporation part) 25, and be configured to a kind of structure, wherein heater body and integrated component 27a constitute as a whole, form this integrated component by die casting attached to the aluminium of water supply dump tank (evaporation part) 25 back, and it is closely contacted with the water supply dump tank, as shown in Figure 9.Under the situation of present embodiment, be used to detect the temperature of heater 27 as the thermistor 41 of temperature detection sensor, it is connected between pair of electrodes 27b, the 27c at two ends of the heater that extends from integrated component 27a.
Thermistor 41 is arranged between pair of electrodes 27b, the 27c that is embedded among the integrated component 27a.Utilize the detection signal of a unshowned control circuit monitoring thermistor 41, this detection signal be used to detect aqua storage tank 21 surplus null value and control the operation (controlling thermogenetic amount) of heater 27.
As shown in figure 10, when by injecting when from the water of aqua storage tank 21 water being injected water supply dump tank (evaporation part) 25, the temperature levels of detected thermistor 41 is along with the temperature of heater 27 raises and raises.Yet, in water supply dump tank (evaporation part) 25, there is not water, when symbol a represents among the figure,,, and surpass the upper limit reference value of representing with symbol b so detected temperature levels can raise rapidly because electric current is transmitted to heater 27.
Unshowned control circuit can cut off electric current conduction with heater 27 at the time point that surpasses upper limit reference value.At this time point, the temperature levels of detected thermistor 41 can descend, although there is toning.After a period of time, when the temperature levels of detected thermistor 41 reached the lower limit reference value of being represented by symbol c, control circuit heated this heater by electric current is conducted once more to heater 27.Yet,, surpass the upper limit reference value of representing with symbol d so the temperature levels of detected thermistor 41 can raise once more owing in water supply dump tank (evaporation part) 25, do not have water.At this time point, control circuit determines not have in water supply dump tank (evaporation part) 25 water and heater 27 to be in the state that empty groove is burnt in baking, carry out to cut off to the control of the electric current conduction of heater 27 representedly then, and give the alarm and stop Steam Heating and handle as symbol e.
According to aforesaid present embodiment, can control the quantity of steam of generation, and when in water supply dump tank (evaporation part) 25, not having water, can detect unusual with single thermistor.
In addition, utilize above-mentioned control, can prolong the service life of heater, and be damaged by the surface of using water supply dump tank (evaporation part) under the heat resisting temperature to prevent to be coated with the water supply dump tank (evaporation part) of fluororesin.
In addition, although according to present embodiment, can construct a kind of structure, wherein when twice of the temperature of thermistor capping reference value by repeating to make the open/close cycle detection of heater, can determine does not have water in water supply dump tank (evaporation part), the number of times that detects is not limited to twice, but can determine by the repeated detection temperature.
In addition,, use sheathed heater, also can use Glass tube heater, plate heater or analog to substitute sheathed heater as heater 27 although according to present embodiment.
As Fig. 3 and shown in Figure 9, water supply path 29 comprises: the cardinal extremity pipe arrangement 29a of portion that is connected with the connector 22b of aqua storage tank 21 by the branch of leading to two paths, the horizontal pipe arrangement 29b of portion from the cardinal extremity pipe arrangement 29a of portion is arranged in the base plate 4 of heating clamber 3 via the heating region of each heater 27 below, the vertical pipe arrangement 29c of portion that stands vertically in heating clamber 3 one sides from the front end of the horizontal pipe arrangement 29b of portion, stretch out to the upside of each dump tank that supplies water (evaporation part) from the vertical pipe arrangement 29c of portion, be used to make the 29d of top pipe arrangement portion under the water droplet of water supply dump tank (evaporation part) 25 force feeds from the vertical pipe arrangement 29c of portion, and the water export 29e that forms the front end of each 29d of top pipe arrangement portion.
As shown in Figure 3, the horizontal pipe arrangement 29b of portion is arranged to contact with the integrated component 27a of heater 27, constitutes the heating region of heater 27 as shown in Figure 9 with the contacted contact site 30 of integrated component 27a.
Therefore, in the steam feed mechanism 7 of binary channel, as mentioned above, what demonstrate is that length setting from each contact site 30 to each water export 29e becomes identical distance.
According to present embodiment, in this way, the horizontal pipe arrangement 29b of portion of each water supply path 29 sets the heating region of heater 27 for, by accepting to make water boiling in each horizontal pipe arrangement portion, supply water to each water supply dump tank (evaporation part) 25 by the heat transfer that the heat that each heater 27 produces causes.
The action that produces steam is described in further detail below, aqua storage tank 21 is inserted in the tank accommodation section 35 and water is injected under the state of horizontal pipe arrangement portion 29b inside therein, when each heater 27 produces heats, by heat is offered with the contacted contact site 30 place's pipe arrangements of integrated component 27a in water make its boiling.Because check-valves 47 can be ended the hydraulic pressure in (stop) pipe arrangement, this pressure only guides along the direction of the vertical 29c of pipe arrangement portion.In addition, the water level among the vertical 29c of pipe arrangement portion is owing to pressure rises, and water can flow through the 29d of top pipe arrangement portion and drip from each water export 29e then, and supplies to water supply dump tank (evaporation part) 25.
In this case, even when having produced bubble being in the water of boiling with integrated component 27 contacted contact sites 30, bubble is moved to air inlet (exhaust portion) 29f that contact site 30 tops are provided with, be discharged to the outside from water supply path (carrier pipe) 29 then.When air inlet (exhaust portion) 29f forms at the top of water supply path (carrier pipe) 29, bubble will move up, and therefore can further fully discharge bubble, and not be trapped in the water supply path (carrier pipe) 29.
In addition, because from setting identical distance for to the distance of each water export 29e with integrated component 27 contacted contact sites 30, therefore by using the heater 27 of same size, can apply identical heat to each horizontal pipe arrangement 29b of portion from contact site 30, water can be supplied to equably the dump tank (evaporation part) 25 that respectively supplies water thus.
In addition, when set for from contact site 30 to the distance of each water export 29e identical apart from the time, can make the path 29 that respectively supplies water identical, and make the generation of control steam easily with the temperature of contact site 30.
The water of water supply dump tank (evaporation part) 25 becomes wherein because the state that the heat that each heater 27 produces causes temperature to raise owing to supply to, therefore, can shorten from supplying with water and produce the required time cycle of steam and carry out Steam Heating fast to water supply dump tank (evaporation part) 25.
When interrupting heating, the water in the vertical pipe arrangement 29c of portion of each water supply path 29 can not seethe with excitement, and water can not arrive air inlet 29f, enters in the pipe arrangement from the atmospheric pressure of air inlet 29f, thereby stops to supply water.
Shown in Fig. 8 (a), when when the cardinal extremity circular portion 43 that cooperates with the connector 22b of container body 22 takes off aqua storage tank 21, the cardinal extremity pipe arrangement 29a of portion is provided with stop valve 45 in the pipe arrangement side, being used for anti-sealing reveals from the horizontal pipe arrangement 29b of portion side, and the cardinal extremity pipe arrangement 29a of portion is provided with stop valve 47, is used for preventing causing water from the horizontal pipe arrangement 29b of portion side reflux in the thermal expansion of the water at the part place (direction along accompanying drawing arrow mark (e) flows) that the horizontal pipe arrangement 29b of portion is connected with the horizontal pipe arrangement 29b of portion.
At the stop valve on the tank side 33 and to be used to oppress the direction of the stop valve 45 on the tank side of spring 33b, 45b of valve member 33a, 45a opposite each other, when the connector 22b of container body 22 is coupled to the circular pipe arrangement of cardinal extremity portion 43 fully, the valve member 33a of two members, the leading section of 45a are adjacent to each other, so that make the opposite parts displacement of the compressing power of antagonistic spring 33b, 45b, cause stream to be opened thus, shown in Fig. 8 (b).
The outer circumference portion of the connector 22b of container body 22 is equipped with the O shape ring 49 as containment member, is used to seal the gap between outer circumference portion and the circular pipe arrangement of the cardinal extremity portion 43.
Fig. 8 (a) shows the situation that a kind of connector 22b of wherein container body 22 does not cooperate with the circular pipe arrangement of cardinal extremity portion 43, also shows a kind of wherein at the stop valve 33 of tank side with all closed the situation of stream at the stop valve 45 of pipe arrangement side.
Therein under the situation that the connector 22b of container body 22 separates from the circular pipe arrangement of cardinal extremity portion 43, the water supply passage side is by stop valve 45 sealings of pipe arrangement side, thereby the water in the path 29 that can prevent from reliably to supply water refluxes.That is to say that when as shown in Figure 3, aqua storage tank 21 is inserted in the tank accommodation section 35, water flows among the vertical pipe arrangement 29c of portion of the path 29 that respectively supplies water, and its water level is identical with aqua storage tank 21.Even when under hydraulic pressure, extracting aqua storage tank 21 out, also can use the stop valve 45 anti-sealings of pipe arrangement side to reflux.
The bottom of 35 back, tank accommodation section is provided with concave part 51, be used for when from the tank accommodation section 35 when extracting aqua storage tanks 21 out, be received in the stop valve 33 of tank side and between the stop valve 45 of pipe arrangement side the fraction surplus water of drippage, this concave part 51 is provided with the absorbing membrane 53 of the water that is used to absorb drippage.For example, can use the good adhesive-bonded fabric of water absorbing properties as absorbing membrane 53.
In addition, shown in Fig. 3 and 4, the upper end of the vertical pipe arrangement 29c of portion that is connected with the top pipe arrangement 29d of portion is set in than the higher position of Hmax, highest level position that is stored in the water in the aqua storage tank 21.This is in order to prevent because the water that the siphon operation causes being stored in the aqua storage tank 21 unexpectedly and continuously flows out to the top 29d of pipe arrangement portion side.
In addition, water supply path 29 by be arranged in than the floor level Hmin of the water that is stored in aqua storage tank 21 more the cardinal extremity pipe arrangement 29a of portion of lower position be connected with aqua storage tank 21.
This is to supply to water supply path 29 in order to take out the water that is stored in the aqua storage tank 21, and the remaining water of portion within it not.
Under the situation of present embodiment, water supply dump tank (evaporation part) 25 and heater 27 are separately positioned on the left side and the right side at base plate 4 rear portions of heating clamber 3.Therefore, as shown in Figure 4, two-way water supply path 29 is branched off into two horizontal pipe arrangement 29b of portion respectively by for example check-valves 47 at the cardinal extremity pipe arrangement 29a of portion downstream part, each heater 27 is placed with contacting with the horizontal pipe arrangement 29b of portion, the vertical pipe arrangement 29c of portion, the top pipe arrangement 29d of portion, integrated component 27a and being used for the contact site 30 that heat with heater supplies to the water of pipe arrangement, according to the path 29 that respectively supplies water that is arranged on the dump tank that respectively supplies water (evaporation part) 25, the distance of the water export 29e from contact site 30 to the pipe arrangement front end is set identical distance for.
According to above-mentioned thermatron 100 with steam generating function, water supply path 29 is arranged to the heating region through heater 27, the heat that utilizes heater 27 to produce thus expands the hydro-thermal in the water supply path 29 and pumping function is provided, and does not need to be used for the water of aqua storage tank 21 is supplied to the dedicated pump device of water supply dump tank (evaporation part) 25.
Therefore, by omitting the dedicated pump device, can make the structure of steam feed mechanism 7 form simplification and miniaturization.
In addition, the heat that utilizes heater 27 to produce supplies water to water supply dump tank (evaporation part) 25, therefore the operation that only produces heat by control heater 27, just can realize control to the quantity of steam of supplying with, the structure that wherein needs to control in the background technology of dedicated pump device is compared, and can carry out control simply and supply with the needed control of amount of steam and handle.
In addition, make the water that supplies to water supply dump tank (evaporation part) 25 become the state that heat that water temperature wherein produces owing to heater 27 raises, therefore can shorten from when supplying water to water supply dump tank (evaporation part) 25 to the generation required time cycle of steam, and carry out Steam Heating apace.
In addition, even when the water boiling in the heat that produces owing to heater 27 causes supplying water path (carrier pipe) 29 produces bubble, also bubble can be discharged to the outside from air inlet (exhaust portion) 29f that the top at water supply path (carrier pipe) 29 is provided with, therefore can prevent that bubble is trapped in the water supply path (carrier pipe) 29, and can guarantee stable liquid conveying function.
In addition, when in said structure, when the surplus of aqua storage tank 21 becomes 0 (zero), reduce the remaining water yield on water supply dump tank (evaporation part) 25, the heat that evaporation water consumed reduces, so the temperature of heater 27 and water supply dump tank (evaporation part) 25 itself can raise.
Yet, the steam feed mechanism 7 of present embodiment is equipped with thermistor 41, be used to detect the temperature of heater 27, therefore by monitoring the signal of detected thermistor 41, the null value of the surplus of aqua storage tank 21 can be detected fairly simplely, and the shortcomings such as tank that sky is burnt in baking can be prevented to produce.
In addition, by utilizing detected thermistor signal, for example, when the surplus that detects aqua storage tank 21 is zero, can carry out various controls such as shut-down operation heater 27 or send the alarm etc. of water supply, thereby can improve the performance of handling thermatron 100.
In addition, although according to present embodiment, thermistor 41 directly contacts with heater 27, and thermistor 41 can be arranged to contact with the dump tank that supplies water (evaporation part) 25.
In addition, preferably by a plurality of parts of steam generating unit in the heating clamber 3 are installed dispersedly, from preventing from the heating clamber of thermatron, to produce the uneven viewpoint of Steam Heating of heating with steam generating function, this steam generating unit is made of water supply dump tank (evaporation part) 25 and heater 27, thereby makes the supply of the steam of heating in the heating clamber 3 itself even.Yet, when the steam generating unit is installed dispersedly to a plurality of part, need be designed to supply water to equably water supply dump tank (evaporation part) 25 at a plurality of parts place.
Yet, under the situation that many groups water supply dump tank (evaporation part) 25 and heater 27 have been installed as mentioned above, when being configured to so a kind of structure, wherein according to the path 29 that respectively supplies water that is installed to the dump tank that respectively supplies water (evaporation part) 25, set identical distance from the contact site of heater for to the distance of the water export of pipe arrangement front end, even when not having special control to supply with the flow velocity of water, also can make the quantity delivered of the path 29 that respectively supplies water even, and can realize the even supply of heating steam in the heating clamber 3 with lower cost.
Figure 11 is the decomposition diagram according to the steam feed mechanism of first embodiment of the invention, and Figure 12 shows along the sectional view of the line A-A ' of Figure 11.
In Figure 11 and Figure 12, numeral 27 expressions constitute the U-shaped sheathed heater of heater, numeral 111 expressions are by the aluminium diecasting that is embedded with heater 27 (aluminum diecast) the heater main body that moulding constituted, the carrier pipe that numeral 112 expressions are made of the material with high thermal conductivity such as aluminium or copper, and numeral 113 expressions are used for making the carrier pipe heating part of the liquid boiling of carrier pipe 112.Numeral 114 expression heat transfer control parts, it is arranged between heater main body 111 and the carrier pipe heating part 113.
Carrier pipe heating part 113 is made of two members 115,116, and is configured to make carrier pipe 112 to be clipped between these two members.Member 115 is equipped with the concave part 115a that is centered in central part along the throughput direction of carrier pipe 112, and contacts with carrier pipe 112 at second end and the two ends of carrier pipe 112 sides.
For heat transfer control part 114, can use a kind of material, the thermal conductivity of the thermal conductivity of the material of its thermal conductivity ratio forming heater main body 111 and the material of carrier pipe 112 is hanged down a numerical digit (digit) or more.Although can select iron, stainless steel or similar material, consider corrosion stability selection use stainless steel.In addition, in integrated heat transfer control part 114, between heat transfer control part 114 and the heater main body 111 and between heat transfer control part 114 and carrier pipe heating part 113, have more carbon sheet 114a, the 114b of high thermal conductivity along surface direction (thermal conductivity: 100 to 200W/mK) rather than thickness direction (thermal conductivity: 5 to 7W/mK) embedding, the unnecessary heat transfer of getting rid of the part except that heat transfer control part 114 thus suppresses.
On the other hand, member 116 is configured to contact at the All Ranges of throughput direction with carrier pipe 112.Two members 115,116 and carrier pipe 112 are main to be constituted as a whole by bolts 117,118,119,120.
In addition, device and carrier pipe heating part 113 main and an integral body of carrier pipe 112 formations are into a single integrated structure with heater main body 111 by using bolt 121,122 to pass heat transfer control part 114.
Numeral 123 expression check-valves, it is to form the part of heat transfer part that is arranged on the upstream side of carrier pipe heating part 113 along the liquid throughput direction; Numeral 124,125 is represented wire interconnecting pieces, is used to connect the power lead of sheathed heater 27; Numeral 126 to 129 expressions connect the hole of heater main body 111; The part of numeral 130 expression conduction heat energy is used to evaporate the liquid of conveying.Numeral 25 expression evaporation parts, it is formed by thermal conductivity ratio heat transfer control part 114 lower materials, especially, is to form by making steel plate pass through the material that fluorine surface treatment etc. constitutes, and the main component of this steel plate is an iron.
In addition, use heater main body 111 side opposite, be used to evaporate the liquid of conveying as a part of conducting heat energy with the direction that carrier pipe 112 is provided.
About the steam feed mechanism of structure as mentioned above, below with the mode and the operation thereof of description operation mechanism.
Water is made an explanation to it as the liquid of carrying.At first, the aqua storage tank (not shown) is arranged on check-valves 123 1 sides.Therefore, water is injected in the carrier pipe 112.Afterwards, operation sheathed heater 27.In the sheathed heater 27 that brings into operation, heat this heater main body 111, its temperature is raise.The heat of heater main body 111 is given main member 116 via heat transfer control part 114, member 115 conduction of carrier pipe heating part 113, keeps the even temperature distribution character by inserting carbon sheet 114a, 114b simultaneously, heats carrier pipe 112 then.Can produce the local boiling of water in the wall portion of part carrier pipe 112, at this, tube wall temperature is above 100 ℃.The air bubble expansion that produces along with boiling becomes gas, and along the water in the both direction promotion carrier pipe 112 of carrier pipe.Check-valves 123 is arranged in the upstream side of throughput direction, and the water that is transferred in the pipe 112 owing to check-valves 123 promotes to be in closed condition.Meanwhile, because the bubble that boiling produces only can be along throughput direction side effusion downstream.Along with bubble along throughput direction moving of side downstream, check-valves 123 will be in open mode, thus water is injected into the carrier pipe 112 from aqua storage tank.Repeat described process, can transporting water.The water of carrying is directed to evaporation part 25 via the carrier pipe (not shown).This evaporation part is configured to therefore, further heat the water that is transported to the evaporation part and make its evaporation from heater main body 111 conduction heat energy.
, make that the heat energy that distributes in the evaporation part side is about 10 times of the heat energy that distributes in the carrier pipe side, thereby can promptly make the water evaporation of conveying to carrier pipe side and evaporation part side by heat energy distribution that heater main body 111 is provided.In this case, when the heat of conduction feedwater when reducing attached to the incrustation scale on the side of evaporation part, the temperature of heater main body 111 will raise.Heat transfer control part 114 suppresses the heat that carrier pipe heating part 113 is given in conduction according to the temperature rising of heater main body 111, make the wall surface temperature of carrier pipe 112 remain essentially in constant preferred temperature (particularly, it is about 105 to 120 ℃), and the heat energy that makes local boiling in carrier pipe 112 keeps lower, thus, the incrustation scale that can suppress in the carrier pipe 112 adheres to.
As a concrete temperature example, when the power of sheathed heater was 600W, heat transfer control part 114 was configured such that when the temperature of heater main body 111 is 160 ℃ the temperature of main member 116 becomes 105 to 110 ℃.Heat transfer control part 114 comprises that its plate thickness is that 3mm, sectional area are 300mm 2Stainless steel material.When incrustation scale was deposited in the evaporation part side under certain condition, the temperature of heater main body 111 raise 20 to 30 ℃, still, utilizes heat transfer control part 114, and the temperature that main member 116 raises is less than 5 ℃.
In addition, shown in the accompanying drawing of present embodiment structure, as the structure of carrier pipe heating part 113, by along gravity direction at lower disposed main member 116, can make the bubble that produces by the boiling phenomenon in the carrier pipe 112 move to top along gravity direction.When utilizing boiling to produce bubble, the internal face temperature that is not exposed in the water will raise rapidly, yet by making the fast flow speed and direction boiling of water portion, the temperature that can suppress carrier wall raises, and further suppresses incrustation scale and adhere to.
In addition, by of the throughput direction heat radiation of structure main member 116 along the water of carrier pipe 112, and have the material of high thermal conductivity such as the carrier pipe of copper, aluminium or analog by use, be transported to adding the fraction heat energy that hot water brings and just can producing local boiling of boiling range before utilizing, therefore, can further suppress incrustation scale adheres to.
In addition, because therefore the surface of evaporation part 25, has reduced incrustation scale attached to the power on the evaporation part 25 through the water-proofing treatment or the similar processing of fluorine, can remove and clean incrustation scale by using wet cloth or analog to wipe incrustation scale.
(embodiment 2)
Figure 13 is the decomposition diagram according to the liquid vaporising unit of second embodiment of the invention, and Figure 14 shows along the sectional view of the line B-B ' among Figure 13.Embodiment 2 is a kind of structure with the difference of embodiment 1, and wherein the upper surface at the aluminium diecasting that is embedded with sheathed heater is provided with recess, so that be configured to the evaporation part, also is water-proofing treatment or the similar processing of this evaporation part through fluorine.
In Figure 13, Figure 14, numeral 132 expressions constitute the U-shaped sheathed heater of heater, the heater main body that numeral 133 expressions are made of the aluminium diecasting that is embedded with heater 132, the carrier pipe that numeral 134 expressions are made of the material with high thermal conductivity such as aluminium or copper, and numeral 135 expressions are used for making the carrier pipe heating part of the liquid boiling of carrier pipe 134.Numeral 136 expression heat transfer control parts, it is arranged between heater main body 133 and the carrier pipe heating part 135.
Carrier pipe heating part 135 is made of two members 137,138, and is configured to make carrier pipe 134 to be clipped between these two members.Member 137 is equipped with the concave part 137a that is centered in central part along the throughput direction of carrier pipe 134, and contacts with carrier pipe 134 at second end and the two ends of carrier pipe 134.
For heat transfer control part 136, can use a kind of material, the thermal conductivity of the thermal conductivity of the material of its thermal conductivity ratio forming heater main body 133 and the material of carrier pipe 134 is hanged down a numerical digit or more.Although can select iron, stainless steel or similar material, consider corrosion stability selection use stainless steel.In addition, in integrated heat transfer control part 136, between heat transfer control part 136 and the heater main body 133 and between heat transfer control part 136 and carrier pipe heating part 135, have more carbon sheet 136a, the 136b of high thermal conductivity along surface direction (thermal conductivity: 100 to 200W/mK) rather than thickness direction (thermal conductivity: 5 to 7W/mK) embedding, the unnecessary heat transfer of getting rid of the part except that heat transfer control part 136 thus suppresses.
On the other hand, member 138 is configured to contact at the All Ranges of throughput direction with carrier pipe 134.Two members 137,138 and carrier pipe 134 constitute as a whole by bolt 139,140,141,142.
In addition, device main and carrier pipe 134 and an integral body of carrier pipe heating part 135 formations is into a single integrated structure with heater main body 111 by using bolt 143,144 to pass heat transfer control part 136.
Numeral 145 expressions are arranged on the check-valves of the upstream side of carrier pipe heating part 135 along the liquid throughput direction; Numeral 146,147 is represented wire interconnecting pieces, is used to connect the power lead of sheathed heater 132; Numeral 148 expressions are arranged on the evaporation part of recessed shape on the aluminium diecasting upper surface that constitutes heater main body 133, and its surface is through the water-proofing treatment or the similar processing of fluorine.
About the steam feed mechanism of structure as mentioned above, below with the mode and the operation thereof of description operation mechanism.
According to embodiment 2, heater main body 133 integrally is formed with evaporation part 148, therefore is transported to evaporation part 148 up to water, and the temperature of the temperature of heater 133 and evaporation part 148 all becomes identical.When water is transported to evaporation part 148, consumed the heat energy that heater main body 132 stores, temporarily reduced the heat of conduction to carrier pipe 134, still,, can make conduction give the heat balance of evaporation part 148 and carrier pipe 134 by operating continuously.Thus, stably produce steam.In addition, because 148 water to conveying conduct hot efficient height from the evaporation part, the water that is transported to evaporation part 148 is evaporated.
In addition, because therefore the surface of evaporation part 148, has reduced the adhesive force of incrustation scale through the water-proofing treatment or the similar processing of fluorine, and can remove and clean incrustation scale by using wet cloth or analog to wipe incrustation scale.
Content except that the material of the shape of heater main body 133 and evaporation part 148 is all similar to Example 1, therefore omits the explanation to it.
(embodiment 3)
Figure 15 shows the sectional view that a third embodiment in accordance with the invention comprises the carrier pipe of carrier pipe heating part etc.Embodiment 3 is a kind of shape with the difference of embodiment 1 and embodiment 2, make the surface area of pipe arrangement medial surface greater than the surface area of pipe arrangement lateral surface under this shape, and the pipe arrangement medial surface is through water-proofing treatment.
In Figure 15, numeral 149 expressions constitute the U-shaped sheathed heater of heater; The heater main body that numeral 150 expressions are made of the aluminium diecasting moulding that is embedded with heater 149; Numeral 151 expression carrier pipes, materials of aluminum or copper that it comprises high thermal conductivity have the shape of recessed sectional area and protrusion, and make its surface through water-proofing treatment; Numeral 152 expressions are used for making the carrier pipe heating part of the liquid boiling of carrier pipe 151.Numeral 153 expression heat transfer control parts, it is arranged between heater main body 147 and the carrier pipe heating part 152.
According to embodiment 3,,,, can also suppress incrustation scale and adhere to or the like although reduced heat transfer property more or less so reduced the contact angle of itself and water etc. because the surface of carrier pipe 151 is through the water-proofing treatment or the similar processing of fluorine.Thus, can slow down owing to adhere to incrustation scale and cause carrier pipe 151 to block.In addition, when utilizing citric acid etc. to remove incrustation scale in the carrier pipe 151, can improve the function of cleaning incrustation scale, and can remove incrustation scale at short notice.In addition, construct a kind of structure, the contact area of the carrier pipe 151 that contacts with the unit water yield in the pipe arrangement in it is bigger, therefore by little by little adding hot water, utilize the heat energy of small part can produce local boiling, adhere to and the sending of boil so can further suppress incrustation scale.
Content except that carrier pipe 151 is all similar to Example 1, therefore omits the explanation to it.
(embodiment 4)
Figure 16 is the decomposition diagram of the steam feed mechanism of a fourth embodiment in accordance with the invention, and Figure 17 is the sectional view along the line A-A ' of Figure 16.
In Figure 16, Figure 17, numeral 101 expressions constitute the U-shaped sheathed heater of thermal source (heater), the thermal source main body that numeral 111 expressions are made of the aluminium diecasting moulding that is embedded with thermal source (heater) 101; The carrier pipe that forms heat transfer part that numeral 112 expressions are made of the material with high thermal conductivity such as aluminium or copper; And numeral 113 expressions are used for making the liquid boiling of carrier pipe 112 to constitute the carrier pipe heating part of heat transfer part.Numeral 114 expression heat transfer control parts, it is arranged between thermal source main body 111 and the carrier pipe heating part 113.
Carrier pipe heating part 113 is made of two members 115,116, and is configured to make carrier pipe 112 to be clipped between these two members.Member 115 is equipped with the concave part 115a that is centered in central part along the throughput direction of carrier pipe 112, and contacts with carrier pipe 112 at second end and the two ends of carrier pipe 112.
Can use a kind of material, the thermal conductivity of the thermal conductivity of the material of its thermal conductivity ratio moulding thermal source main body 111 and the material of carrier pipe 112 is hanged down a numerical digit or more.Although can select iron, stainless steel or similar material, consider corrosion stability selection use stainless steel.In addition, in integrated heat transfer control part 114, between heat transfer control part 114 and thermal source main body 111 sides and between heat transfer control part 114 and carrier pipe heating part 113, have more carbon sheet 114a, the 114b of high thermal conductivity along surface direction (thermal conductivity: 100 to 200W/mK) rather than thickness direction (thermal conductivity: 5 to 7W/mK) embedding, the unnecessary heat transfer of getting rid of the part except that heat transfer control part 114 thus suppresses.
On the other hand, member 116 is configured to contact at the All Ranges of throughput direction with carrier pipe 112.Two members 115,116 and carrier pipe 112 are main to be constituted as a whole by bolts 117,118,119,120.
In addition, device main and carrier pipe 112 and an integral body of carrier pipe heating part 113 formations constitutes integrative-structures by using bolt 121,122 to pass heat transfer control part 114 with thermal source main body 111.
Numeral 123 expressions are arranged on the check-valves of the formation heat transfer part of carrier pipe heating part 113 upstream sides along the liquid throughput direction, numeral 124,125 expression wire interconnecting pieces, be used to connect the power lead of sheathed heater 101, numeral 126 to 129 expressions connect the hole of thermal source main body 111.
Numeral 130 expressions are used to evaporate the part of conduction heat energy of the water of conveying, its as and the liquid evaporation that provides the direction of carrier pipe 112 to make on the contrary to be transported to thermal source main body 111 sides and the part of conduction heat energy.
The evaporation part that numeral 131 expressions are formed by the material with thermal conductivity characteristics littler than heat transfer control part 114 especially, is by making steel plate carry out the material of formations such as fluorine surface treatment at an upper portion thereof in the recessed shape, and the main component of this steel plate is an iron.
In addition, numeral 132 expressions are connected to the thermistor of thermal source main body lower face side, be used to detect the temperature of thermal source main body 111, control heat source main body 111 conductive electric currents by the temperature control part (not shown), carry out temperature control by the output signal of utilizing thermistor 132.
About the steam feed mechanism of structure as mentioned above, below with the mode and the operation thereof of description operation mechanism.
Water is made an explanation to it as the liquid of carrying.At first, the aqua storage tank (not shown) is arranged on check-valves 123 1 sides.Therefore, water is injected in the carrier pipe 112.Afterwards, operation sheathed heater 101.In the sheathed heater 101 that brings into operation, heat this thermal source main body 111, its temperature is raise.The heat of thermal source main body 111 is given main member 116 via heat transfer control part 114, member 115 conduction of carrier pipe heating part 113, keeps the even temperature distribution character by inserting carbon sheet 114a, 114b simultaneously, heats carrier pipe 112 then.Can produce the local boiling of water in the wall portion of part carrier pipe, in this part, the tube wall temperature of carrier pipe 112 is above 100 ℃.The air bubble expansion that produces along with boiling becomes gas, and along the water in the both direction promotion carrier pipe 112 of carrier pipe direction.Check-valves 123 is arranged in the upstream side of throughput direction, and the water that is transferred in the pipe 112 owing to check-valves 123 promotes to be in closed condition.Meanwhile, because the bubble that boiling produces only can be along throughput direction side effusion downstream.Along with bubble along throughput direction moving of side downstream, check-valves 123 will be in open mode, thus water is injected into the carrier pipe 112 from aqua storage tank.Repeat described process, can transporting water.The water of carrying is directed to evaporation part 131 via carrier pipe 112.Construct a kind of structure, wherein conduct heat energy to the evaporation part, therefore, further heat the water that is transported to the evaporation part and make its evaporation from thermal source main body 111.
In addition, in this case, detect the temperature of thermal source main body 111, and control the temperature of thermal source main body 111, thereby the heat of heat transfer control part 114 is given in the restriction conduction by thermistor 132.Thus, limited conduction and given the heat of the water that is injected into carrier pipe 112 inside, and made the quantity delivered of evaporation part 131 stable.In addition, when having reduced the water that supplies to carrier pipe 112 from aqua storage tank, reduced the heat of conduction feedwater, the temperature of thermal source main body 111 will raise, but can control the electric current that stops to conduct to sheathed heater 101 by temperature, and also can detect lack of water by the signal level that changes thermistor 132.Figure 18 shows the signal level of thermistor 132 and to the situation of sheathed heater 101 conductive electric currents.
To carrier pipe side and evaporation part side, make the heat energy that distributes in the evaporation part side by heat energy distribution that thermal source main body 111 is provided, thereby can promptly make the water evaporation of conveying greater than about 10 times of the heat energy that distributes in the carrier pipe side.In this case, adhere to along with the incrustation scale on the side of evaporation part and when reducing, the temperature of thermal source main body 111 raises when the heat of conduction feedwater.Heat transfer control part 114 suppresses the heat that carrier pipe heating part 113 sides are given in conduction according to the temperature rising of thermal source main body 111, make the wall surface temperature of carrier pipe 112 remain essentially in constant preferred temperature (particularly, it is about 105 to 120 ℃), and making the heat energy maintenance of local boiling in carrier pipe 112 lower, the incrustation scale that can suppress in the carrier pipe 112 adheres to thus.
As a concrete temperature example, when the power of sheathed heater was 620W, heat transfer control part 114 was configured such that when the temperature of heater main body 111 is 200 ℃ the temperature of main member 116 becomes 105 to 120 ℃.Heat transfer control part 114 comprises that its plate thickness is that 3mm, sectional area are 300mm 2Stainless steel material.When incrustation scale was deposited in the evaporation part side under certain condition, the temperature of thermal source main body 111 raise 20 to 30 ℃, still, utilizes heat transfer control part 114, and the temperature that main member 116 raises is less than 5 ℃.
In addition, by of the water throughput direction heat radiation of structure main member 116 along carrier pipe 112, perhaps have the material of high thermal conductivity such as the carrier pipe of copper, aluminium or analog by use, be transported to adding the fraction heat energy that hot water brings and just can producing local boiling of boiling range before utilizing, therefore, can further suppress incrustation scale adheres to.
In addition; because the surface of evaporation part 131 is through the water-proofing treatment or the similar processing of fluorine; therefore; reduced incrustation scale attached to the power on the evaporation part 131; can remove and clean incrustation scale by using wet cloth or analog to wipe incrustation scale; and and then the temperature by control thermal source body 111, can also protect surface through the evaporation part 131 of water-proofing treatment.
(embodiment 5)
Figure 19 shows the decomposition diagram according to the steam feed mechanism of fifth embodiment of the invention.Embodiment 5 is that with the difference of embodiment 4 thermistor 133 is connected with pipe arrangement heating part 113, and by detecting the temperature of pipe arrangement heating part 113, the electric current conduction of control sheathed heater.
In this case, carry out the temperature control of thermal source main body 111 by the temperature that detects pipe arrangement heating part 113, therefore can detect the variations in temperature of carrier pipe 112 immediately, and conduct, can limit the heat that heat transfer control part 114 is given in conduction by the electric current of control sheathed heater 101.
Thus, can limit the heat that the water be injected into carrier pipe 112 inside is given in conduction, make the quantity delivered of evaporation part 131 stable, reduce the variations in temperature of carrier pipe 112, and reduce incrustation scale and adhere to.In addition, can also detect lack of water in the aqua storage tank.Figure 15 shows the signal level of thermistor 133 and to the situation of sheathed heater 101 conductive electric currents.
Content except that temperature-sensitive resistance 133 is all similar to Example 4, therefore omits the explanation to it.
(embodiment 6)
Figure 21 is the structure chart according to the steam feed mechanism of sixth embodiment of the invention, and Figure 22 shows along the sectional view of the line A-A ' of Figure 21.
In Figure 21, Figure 22, numeral 101 expressions constitute the sheathed heater of heater; Numeral 111 expressions are embedded with the thermal source main body of heater 101; The carrier pipe that numeral 112 expressions are made of the material with high thermal conductivity such as aluminium or copper; And numeral 113 expressions are used for making the heating part of the liquid boiling of carrier pipe 112.Thermal source main body 111 is made of the die cast that has used aluminum.Numeral 114 expression heat transfer control parts, it is arranged between thermal source main body 111 and the heating part 113.Heating part 113 is made of two members 115,116, and is configured to make carrier pipe 112 to be clipped between these two members.Member 115 is equipped with the concave part 115a that is centered in central part along the throughput direction of carrier pipe 112, and only contacts with carrier pipe 112 at the two ends of carrier pipe 112.On the other hand, member 116 is corresponding to main body according to the present invention, and is configured to contact at the All Ranges of throughput direction with carrier pipe 112.Two members 115,116 and carrier pipe 112 constitute as a whole by bolt 117,118.
In addition and carrier pipe 112 heating parts 113 in aggregates into a single integrated structure by using bolt 119,120,121 to pass heat transfer control part 114 with thermal source main body 111.
Numeral 122 represents to be arranged on along the liquid throughput direction check-valves of heating part 113 upstream sides, and numeral 123,124 is represented wire interconnecting pieces, is used to connect the power lead of sheathed heater 101.
For heat transfer control part 114, can use a kind of material, the thermal conductivity of the thermal conductivity of the material of its thermal conductivity ratio moulding thermal source main body 133 and the material of carrier pipe 112 is hanged down a numerical digit or more.Although can select iron, stainless steel or similar material, consider corrosion stability selection use stainless steel.In addition, in integrated heat transfer control part 114, between heat transfer control part 114 and thermal source main body 111 sides and between heat transfer control part 114 and heating part 113, can embed silicone grease or carbon sheet or analog, the unnecessary heat transfer of getting rid of the part except that heat transfer control part 114 thus suppresses.
In addition, use the part of the opposite side of the direction with carrier pipe 112 is provided of thermal source main body 111, be used to evaporate the liquid of conveying as conduction heat energy.
About the steam feed mechanism of structure as mentioned above, below with the mode and the operation thereof of description operation mechanism.
Water is made an explanation to it as the liquid of carrying.At first, the aqua storage tank (not shown) is arranged on check-valves 122 1 sides.Therefore, water is injected in the carrier pipe 112.Afterwards, operation sheathed heater 101.In the sheathed heater 101 that brings into operation, heating thermal source main body 111 raises its temperature.The heat of thermal source main body 111 is given main member 116 via heat transfer control part 114, member 115 conduction of heating part 113, heats carrier pipe 112 then.Can produce the local boiling of water in the wall portion of part carrier pipe 112, in this part, tube wall temperature is above 100 ℃.The air bubble expansion that produces along with boiling becomes gas, and along the water in the both direction promotion carrier pipe 112 of carrier pipe.Check-valves 122 is arranged in the upstream side of throughput direction, and check-valves 122 is owing to the water that is transferred in the pipe 112 promotes to be in closed condition.Meanwhile, because the bubble that boiling produces only can be along throughput direction side effusion downstream.Along with bubble along throughput direction moving of side downstream, check-valves 122 is in open mode, thus water is injected into the carrier pipe 112 from aqua storage tank.Repeat described process, can transporting water.The water of carrying is directed to so-called evaporation part (not shown).Construct a kind of structure, wherein heat energy, therefore, further heats the water that is injected into the evaporation part and makes its evaporation to the evaporation part conduction from thermal source main body 111.
, make that the heat energy that distributes in the evaporation part side is about 10 times of the heat energy that distributes in the carrier pipe side, thereby can promptly make the water evaporation of conveying to carrier pipe side and evaporation part side by the heat energy distribution that will provide by thermal source main body 111.In this case, adhere to along with the incrustation scale on the side of evaporation part and when reducing, the temperature of thermal source main body 111 raises when the heat of conduction feedwater.Suppress the heat that heating part 113 sides are given in conduction by temperature rising according to thermal source main body 111, make the wall surface temperature of carrier pipe 112 remain essentially in constant preferred temperature (particularly, be equal to or less than 110 ℃), and the heat energy that makes local boiling in carrier pipe 112 keeps lower, thus, heat transfer control part 114 incrustation scale that can suppress in the carrier pipe 112 adheres to.
As a concrete temperature example, when the power of sheathed heater was 600W, heat transfer control part 114 was configured such that when the temperature of thermal source main body 111 is 160 ℃ the temperature of main member 116 becomes 105 to 110 ℃.Heat transfer control part 114 comprises that its plate thickness is that 3mm, sectional area are 300mm 2Stainless steel material.When incrustation scale was deposited in the evaporation part side under certain condition, the temperature of thermal source main body 111 raise 20 to 30 ℃, still, utilizes heat transfer control part 114, and the temperature that main member 116 raises is less than 5 ℃.
In addition, shown in the structure chart of present embodiment, as the structure of heating part 113, by at gravity direction at lower disposed main member 116, can make the bubble that produces by the boiling phenomenon in the carrier pipe 112 move to top along gravity direction.When utilizing boiling to produce bubble, the internal face temperature that is not exposed in the water will raise rapidly, and by making the fast flow speed and direction boiling of water portion, the temperature that can suppress carrier wall raises, and further suppresses incrustation scale and adhere to.
In addition, along the heat radiation of the throughput direction of carrier pipe 112, and be transported to before utilizing adding the fraction heat energy that hot water brings and just can producing local boiling of boiling range, therefore, can further suppress incrustation scale and adhere to by structure main member 116.
(embodiment 7)
Figure 23 is the outline drawing according to the steam feed mechanism of seventh embodiment of the invention, and Figure 24 is the sectional view along the line B-B ' of Figure 23.Embodiment 2 has been to increase the conduction heat with the difference of embodiment 1 and has given the zone and a kind of structure that carrier pipe is connected with the thermal source main body of evaporation part side.
In Figure 23, Figure 24, numeral 130 expressions constitute the U-shaped sheathed heater of heater, the thermal source main body that numeral 131 expressions are made of the aluminium diecasting moulding that is embedded with heater 130, the carrier pipe that numeral 132 expressions are made of the material with high thermal conductivity such as aluminium or copper, and numeral 133 expressions are used for making the heating part of the water boiling of carrier pipe 132.Numeral 134 expression heat transfer control parts, it is arranged between thermal source main body 131 and the heating part 133.Heating part 133 is made of two members 135,136, and is configured to make carrier pipe 132 to be clipped between these two members.Member 135 is equipped with the concave part 135a that is centered in central part along the throughput direction of carrier pipe 132, and contacts with carrier pipe 132 at second end and the two ends of carrier pipe 132.On the other hand, member 136 is configured to contact at the All Ranges of throughput direction with carrier pipe 132.Two members 135,136 and carrier pipe 132 are main to be constituted as a whole by bolts 137,138.
In addition, main and carrier pipe 132 constitutes holistic devices and heat transfer control part 134 and thermal source main body 131 formation integrative-structures are passed by using bolt 139,140,141 in heating part 133.
Numeral 142,143 is represented wire interconnecting pieces, is used to connect the power lead of heater 130, and numeral 144 to 147 expressions connect the hole of thermal source main bodys 131, and numeral 148 is represented the heat energy of part conduction, is used to evaporate the liquid of conveying.
Similar to Example 6 about the material of heat transfer control part 134 and integrated content, therefore omit explanation to it.
According to the steam feed mechanism that constitutes as mentioned above, give the zone of evaporation part side by increasing conduction heat energy, can slow down reducing of when the evaporation part incrustation scale adheres to heat output, the liquid that therefore can carry liquid and can operate conveying is with further evaporation stably.In addition, by constructing a kind of structure, wherein the heat from thermal source main body 131 conducts from the side surface direction of carrier pipe 132, and the bubble that utilizes the boiling in the carrier pipe 132 to produce can promptly move to top along gravity direction.Although when producing bubble, the internal face temperature that is not exposed in the water will raise rapidly, but because bubble is easy to move to top, raises so pass through the temperature of inhibition carrier pipe wall, can make the fast flow speed and direction boiling range of liquid, and further suppress incrustation scale and adhere to.
(embodiment 8)
Figure 25 shows the sectional view of the steam feed mechanism of expression eighth embodiment of the invention.In addition, with embodiment 7 corresponding components identical or that have identical function with identical numeral.
The difference of Figure 25 and embodiment 7 is that carrier pipe 150 is arranged in the bottom of thermal source main body 131.In this way, utilize the heat transfer control part, can freely select the layout of carrier pipe and same thermal source main body.
(embodiment 9)
Figure 26 shows the structure chart of the steam feed mechanism of expression ninth embodiment of the invention.
In Figure 26, numeral 160 expressions are as the sheathed heater of heater; The thermal source main body of numeral 161 expressions and sheathed heater 160 global formations; Numeral 162 expressions are as the heat pipe of heat transfer control part, and the one end contacts with the side of thermal source main body 161, and the other end contacts with carrier pipe 163.Liquid bath 165 is arranged in upstream side along the throughput direction of carrier pipe 163 through check-valves 164.In addition, the downstream of carrier pipe 163 is equipped with delivery port 167, and it communicates by connected pipe arrangement 166 and atmosphere.Numeral 168 expressions are used to store the evaporation of liquid portion of conveying, and form by the draw metal thin slice.Thermal source main body 161 contacts with the evaporation part 168 of drawing.
In addition, numeral 169 expressions comprise the heating clamber that is heated object, this pattern that is heated that object adopts be by utilize that evaporation part 168 produces Steam Heating comprised is heated object.
According to aforesaid steam feed mechanism, by using heat pipe 162 as the heat transfer control part with make water as the working fluid in the heat pipe, the condensation portion of the corresponding heat pipe of part of heating carrier pipe can be 100 ℃ in maximum temperature with heat and conduct to carrier pipe down.Thus, can prevent reliably that the incrustation scale in the carrier pipe from adhering to.In addition, thermal source main body and carrier pipe can be arranged to be separated from each other, and the roundabout by carrier pipe in solve installing reduces the discharge pressure loss, along with boiling helps flowing of bubble, increase the transporting velocity of liquid and further suppress incrustation scale and adhere to.
(embodiment 10)
Figure 27 is the structure chart according to the steam feed mechanism of tenth embodiment of the invention, and Figure 28 is the sectional view along the line A-A ' of Figure 27.
In Figure 27, Figure 28, numeral 101 expressions constitute the U-shaped sheathed heater of heater, the heater main body that numeral 111 expressions are made of the aluminium diecasting moulding that is embedded with heater 101, the carrier pipe that numeral 112 expressions are made of the material with soft durometer and high thermal conductivity such as aluminium or copper, and numeral 113 expressions are used for making the heating part of the liquid boiling of carrier pipe 112.Heater main body 111 is made of the die cast that has used aluminum.Numeral 114 expression heat transfer control parts, it is arranged in and adds between heater main body 111 and the heating part 113.Heating part 113 is made of two members 115,116, and is configured to make carrier pipe 112 to be clipped between these two members.Member 115 is equipped with along the throughput direction of the carrier pipe 112 semi-circular contact part 115a at central part, and contacts at the All Ranges of throughput direction with carrier pipe 112.On the other hand, member 116 also has semicircular contact site 116a similarly, and is configured to contact at the All Ranges of throughput direction with carrier pipe 112.Two members 115,116 and carrier pipe 112 constitute as a whole by bolt 117,118,119,120.
In addition and carrier pipe 112 to constitute holistic heating part 113 into a single integrated structure with heater main body 111 by using bolt 121,122 to pass heat transfer control part 114.Numeral 123 represents to be arranged on along the liquid throughput direction check-valves of heating part 113 upstream sides, and numeral 124,125 is represented wire interconnecting pieces, is used to connect the power lead of sheathed heater 101.
In heat transfer control part 114, can use a kind of material, the thermal conductivity of the thermal conductivity of the material of its thermal conductivity ratio forming heater main body 111 and the material of carrier pipe is hanged down a numerical digit or more.Although can select iron, stainless steel or similar material, consider corrosion stability selection use stainless steel.In addition, in integrated heat transfer control part 114, between heat transfer control part 114 and heater main body 111 sides and between heat transfer control part 114 and heating part 113, can embed silicone grease or carbon sheet 114a, 114b or analog, the unnecessary heat transfer of getting rid of the part except that heat transfer control part 114 thus suppresses.
Figure 29 shows the sectional view that two members 115,116 that utilize carrier pipe heating part 113 clamp the state of (pinching) carrier pipe 112.Shown in Figure 29 (a), as the width dimensions A of the 115a of semi-circular recesses portion, 116a during less than the outer shape size X of carrier pipe 112, carrier pipe 112 does not contact with the 115a of semi-circular recesses portion, 116a, but space 132a, 132b have been produced, not only can not guarantee sufficient heat transfer, and closely contact is fixing each other can not to make two members 115,116.
In addition, shown in Figure 29 (b), as the width dimensions A of the 115a of semi-circular recesses portion, 116a during greater than the outer shape size X of carrier pipe 112, carrier pipe 112 does not contact with the 115a of semi-circular recesses portion, 116a, and two members 115,116 can closely contact fixing each other.In addition, but in this case, can form space 115a, the soft material such as the silicone grease that have high thermal conductivity by embedding can be guaranteed enough heat transfer properties.But in one case, that is, when the power that carrier pipe 112 and carrier pipe heating part 113 are closely contacted each other was not enough, carrier pipe 112 may move along carrier pipe heating part 113.
In addition, shown in Figure 29 (c), as the width dimensions A of the 115a of semi-circular recesses portion, 116a outer shape size X greater than carrier pipe 112, and the depth dimensions B of the 115a of semi-circular recesses portion, 116a is during greater than the outer shape radius size X/2 of carrier pipe 112, carrier pipe 112 is in the state that is clamped by the 115a of semi-circular recesses portion, 116a, and carrier pipe 112 contacts with each other fixing with carrier pipe heating part 113.But in this case, can between two members 115,116, form space 134, when shown in Figure 29 (d), using bolt with two members 112 when fastening, because carrier pipe 112 is formed by aluminium with soft durometer or copper, so clamp two members 115,116 thus it is easily deformed, can closely contact fixing each other.In addition in one case, that is, by between two members, clamp have high thermal conductivity soft material 131 as silicone grease, can further improve heat transfer property.
Figure 30 shows the construction profile figure of carrier pipe 112.Heater main body 111 is arranged to contact with the following of dump tank 25 of supplying water, and heat is given the horizontal pipe arrangement portion 140 of carrier pipe 112 by heating part 113 conduction.This horizontal pipe arrangement portion 140 contacts with the foot of heating part 113 along the liquid throughput direction of carrier pipe 112, even when in carrier pipe, having produced local boiling and having produced bubble, because bubble will move to top along gravity direction, so bubble passes the bend 142 that upwards is provided with from the part that contacts with the heating part 113 that is arranged on foot, and the air inlet (not shown) that forms from the top in vertical pipe arrangement portion 141 is discharged to the outside.
About the steam feed mechanism of structure as mentioned above, below with the mode and the operation thereof of description operation mechanism.
Water is made an explanation to it as the liquid of carrying.At first, the aqua storage tank (not shown) is arranged on check-valves 123 1 sides.Therefore, water is injected in the carrier pipe 112.Afterwards, operation sheathed heater 101.In the sheathed heater 101 that brings into operation, heat this heater main body 111, its temperature is raise.The heat of heater main body 111 is given main member 116 via heat transfer control part 114, member 115 conduction of heating part 113, heats carrier pipe 112 then.Can produce the local boiling of water in the wall portion of part carrier pipe, in this part, the tube wall temperature of carrier pipe 112 is above 100 ℃.The air bubble expansion that produces along with boiling becomes gas, and along the water in the both direction promotion carrier pipe of carrier pipe.Check-valves 123 is arranged in the upstream side of throughput direction, and check-valves 123 is owing to the water that is transferred in the pipe 112 promotes to be in closed condition.Meanwhile, because the bubble that boiling produces only can be along throughput direction side effusion downstream.Along with bubble along throughput direction moving of side downstream, check-valves 123 will be in open mode, thus water is injected into the carrier pipe 112 from aqua storage tank.Repeat described process, can transporting water.The water of carrying can be directed to so-called evaporation part 25.This evaporation part is configured to therefore, further heat the water that is injected into evaporation part 25 and make its evaporation from heater main body 111 conduction heat energy.
In aforesaid operations, in carrier pipe 112 and the zone that heating part 113 contacts with the evaporation part, make the water boiling, therefore be included in the residue of calcium, magnesium or analogous components in the water attached to remaining on the wall.The residue that adheres to is called incrustation scale.By continuing to adhere to incrustation scale, the inner section of carrier pipe 112 will diminish gradually, be in worst situation, thereby can not realize conveying function.In addition, reduced the heat of conduction to evaporation part and carrier pipe.
In addition, shown in the structure chart of present embodiment, arrange the structure of main member 116 as heating part 113 by the gravity direction along carrier pipe 112 at foot, the bubble that is produced by boiling phenomenon in carrier pipe 112 moves to top along gravity direction.Although when utilizing boiling to produce bubble, the temperature that is not exposed to the internal face in the water will raise rapidly, yet by making the fast flow speed and direction boiling of water portion, the temperature that can suppress the carrier pipe wall raises, and can suppress incrustation scale and adhere to.
In addition, by increasing the bending radius size of the bend 142 that is connected with vertical pipe arrangement portion 141 with horizontal pipe arrangement portion 140, can reduce to carry the resistance of liquid, help flowing of bubble, increase the transporting velocity of liquid, therefore can suppress incrustation scale and adhere to, and by producing the mobile generation that makes expansion of liquids suppress boil of bubble.
As an instantiation, when the bending radius of bend 142 is equal to or greater than 25mm, just is difficult to produce the phenomenon of boil etc., and can realizes the better fluid conveying function.
(embodiment 11)
Figure 31 shows the outline drawing according to the steam feed mechanism of eleventh embodiment of the invention.Embodiment 11 is a kind of structure with the difference of embodiment 10, wherein the heating part be connected along the acclivitous part carrier pipe of liquid throughput direction.
In Figure 31, heater main body 111 is arranged to contact with the following of dump tank 25 of supplying water, and heat is given the horizontal pipe arrangement portion 146 of carrier pipe 143 by heating part 145 conduction.This horizontal pipe arrangement portion 146 is inclined upwardly along the liquid throughput direction of carrier pipe 143, this rake contacts with heating part 145, even when in carrier pipe owing to producing local boiling and produce bubble, because bubble will move to top along gravity direction, so bubble passes the bend 148 that upwards is provided with from the part that contacts with acclivitous heating part 145, and the air inlet (not shown) that forms from the top in vertical pipe arrangement portion 147 is discharged to the outside.
Structure about heating part 145 is similar to Example 1, therefore omits the explanation to it.According to the steam feed mechanism that constitutes as mentioned above, horizontal pipe arrangement portion 146 is inclined upwardly along the liquid throughput direction of carrier pipe 143, by horizontal pipe arrangement portion 146 is contacted with heating part 145 at rake, can move to top along gravity direction at the inner because bubbles that boiling phenomenon produces of carrier pipe 143, and flow producing along the acclivitous horizontal pipe arrangement of liquid throughput direction portion 146.Although when utilizing boiling to produce bubble, the internal face temperature that is not exposed in the water will raise rapidly, yet, by producing flowing of water, that is, making the fast flow speed and direction boiling of water portion, the temperature that can suppress the carrier pipe wall raises, and can suppress incrustation scale and adhere to.
(embodiment 12)
Figure 32 is the structure chart according to the steam feed mechanism of twelveth embodiment of the invention, and Figure 33 is the sectional view along the line A-A ' of Figure 32.
In Figure 32, Figure 33, numeral 101 expressions constitute the U-shaped sheathed heater of heater, the heater main body that numeral 111 expressions are made of the aluminium diecasting moulding that is embedded with heater 101, the carrier pipe that numeral 112 expressions are made of the material with soft durometer and high thermal conductivity such as aluminium or copper, and numeral 113 expressions are used for making the heating part of the liquid boiling of carrier pipe 112.Heater body 111 is made of the die cast that has used aluminum.Numeral 114 expression heat transfer control parts, it is arranged between heater main body 111 and the heating part 113.
Heating part 113 is made of two members 115,116, and is configured to make carrier pipe 112 to be clipped between these two members.Member 115 is equipped with along the throughput direction of the carrier pipe 112 semi-circular contact part 115a at central part, and contacts along the All Ranges of throughput direction with carrier pipe 112.On the other hand, member 116 also has semi-circular contact part 115a, and is configured to contact at the All Ranges of throughput direction with carrier pipe 112.Two members 115,116 and carrier pipe 112 constitute as a whole by bolt 117,118,119,120.
In addition and the heating part 113 that constitutes of carrier pipe 112 one into a single integrated structure by using bolt 121,122 to pass heat transfer control part 114 with heater main body 111.Numeral 123 represents to be arranged on along the liquid throughput direction check-valves of heating part 113 upstream sides, and numeral 124,125 is represented wire interconnecting pieces, is used to connect the power lead of sheathed heater 101.
For heat transfer control part 114, can use a kind of material, the thermal conductivity of the thermal conductivity of the material of its thermal conductivity ratio forming heater main body 111 and the material of carrier pipe 112 is hanged down a numerical digit or more.Although can select iron, stainless steel or similar material, consider corrosion stability selection use stainless steel.
In addition, in integrated heat transfer control part 114, between heat transfer control part 114 and the heater main body 111 and between heat transfer control part 114 and heating part 113, can embed silicone grease, carbon sheet 114a, 114b or analog, the unnecessary heat transfer of getting rid of the part except that heat transfer control part 114 thus suppresses.
Figure 34 is the schematic diagram in the syndeton at the place, side of steam feed mechanism device.
In Figure 34, air inlet (exhaust portion) 29f is arranged on the top of the vertical pipe arrangement 29c of portion and the top of water supply path (carrier pipe) 29.The vertical connecting portion 50 of air inlet (exhaust portion) 29f vertically is connected with the top pipe arrangement 29d of portion substantially, and its front end has by the front end steam vent 52 from the acclivitous more or less bend 51 guiding heating clamber rear walls of horizontal direction 54 1 sides.In addition, front end steam vent 52 is configured to littler than the size of carrier pipe connecting portion 53.
About the steam feed mechanism of structure as mentioned above, below with the mode and the operation thereof of description operation mechanism.
Water is made an explanation to it as the liquid of carrying.At first, the aqua storage tank (not shown) is arranged on check-valves 123 1 sides.Therefore, water is injected in the carrier pipe 112.Afterwards, operation sheathed heater 101.In the sheathed heater 101 that brings into operation, heat this heater main body 111, its temperature is raise.The heat of heater main body 111 is given main member 116 via heat transfer control part 114, member 115 conduction of heating part 113, heats carrier pipe 112 then.Can produce the local boiling of water in the wall portion of part carrier pipe 112, in this part, its tube wall temperature is above 100 ℃.The air bubble expansion that produces along with boiling becomes gas, and along the water in the both direction promotion carrier pipe 112 of carrier pipe.
Check-valves 123 is arranged in the upstream side of throughput direction, and check-valves 123 is owing to the water that is transferred in the pipe 112 promotes to be in closed condition.Meanwhile, because the bubble that boiling produces only can be along throughput direction side effusion downstream.Along with bubble along throughput direction moving of side downstream, check-valves 123 will be in open mode, thus water is injected into the carrier pipe 112 from aqua storage tank.Repeat described process, can transporting water.The water of carrying can be directed to so-called evaporation part 25.This evaporation part 25 is configured to therefore, further heat the water that is injected into evaporation part 25 and make its evaporation from heater main body 111 conduction heat energy.
Yet shown in the structure chart of present embodiment, the bubble that is produced by boiling phenomenon in carrier pipe 112 can move to top along gravity direction.Although when utilizing boiling to produce bubble, the internal face temperature that is not exposed in the water will raise rapidly, yet by making the fast flow speed and direction boiling of water portion, the temperature that suppresses the carrier pipe wall raises, and can suppress incrustation scale and adhere to.
In addition, in carrier pipe 112,, and move to the direction of the top pipe arrangement 29d of portion from the vertical pipe arrangement 29c of portion because the bubble that boiling phenomenon produces can move to top along gravity direction.Because air inlet (exhaust outlet) 29f is arranged on the top of water supply path (carrier pipe) 29,, but be discharged to the outside from air inlet (exhaust portion) 29f so the bubble that moves can not be trapped in the top.
In addition, vertical connecting portion 50 is arranged along vertical with the liquid throughput direction of the top pipe arrangement 29d of portion substantially direction, therefore very little to the influence of liquid conveying, make front end steam vent 52 littler than carrier pipe connecting portion 53, therefore, be configured to a kind of structure, the pressure of wherein opposite with liquid throughput direction direction increases, and shipwreck is to enter front end steam vent 52.
In addition, even be directed to heating clamber rear wall 54 sides and advance to vertical connecting portion 50 when the water of carrying is bent portion 51, the water (bumped water) of boiling is attached on the heating clamber rear wall 54 suddenly, and discharges safely along wall.In addition, because front end steam vent 52 do not make progress, thus can prevent intrusion from the dust and the dirt in hole, and can provide sanitation performance in water supply path (carrier pipe) 29 inside.
In addition, the front end of portion 51 of giving vent to anger is inclined upwardly from horizontal direction more or less, even when the steam that produce from the water of boiling enters air inlet (exhaust portion) 29f and at internal condensation, with condensed water when inclination place is dripped, therefore condensed water is not discharged from front end steam vent 52, but turn back to water supply path (carrier pipe) 29 by vertical connecting portion 50 sides guiding, can prevent because condensing drip is fallen the danger that the outside causes insulation fault, and can effectively utilize condensed water.
Industrial applicibility
The thermatron that has steam generating function according to the present invention produces by utilizing heater The heat of giving birth to makes the function that realizes pump for the boiling of the water in the water passage, can exempt the dedicated pump device, with And can make the structure of steam supply mechanism form simplification and miniaturization.
In addition, only the heat by the control heater produces the amount that operation just can be controlled supply steam, Control is processed to be oversimplified.
In addition, when will being arranged on by the steam generating unit that water supply dump tank and heater consist of dispersedly In the time of in a plurality of parts of heating clamber, can be implemented at low cost heating clamber inside heating is provided equably Steam.
In addition, by suppressing conduction to the heat of heat transfer part, exist by the temperature that keeps heat transfer part simultaneously In 100 to 120 ℃ the scope, guarantee to conduct the heat energy to the evaporation part, along with in heat transfer part pipe arrangement inside Local boiling can suppress incrustation scale and adhere to. In addition, can provide steam supply mechanism, it can the utmost point Keep well to the heat energy balance between supply and demand of heat transfer part one side and evaporation part one side and produce continuously approaching 100 ℃ high-temperature steam.
In addition, by discharging because the water the carrier pipe from the exhaust portion that forms at the top for water passage The bubble that seethes with excitement and produce can prevent that bubble is trapped in the part that is connected with heater, by making Liquid flow to rapidly the boiling generating unit, can suppress the rising of carrier wall surface temperature, guarantees to stablize The liquid conveying function, suppress incrustation scale and adhere to, and produce high-temperature steam continuously.

Claims (32)

1. thermatron with steam generating function comprises:
Comprise the heating clamber that is heated object;
The high frequency waves generation device is used for high frequency waves are outputed to heating clamber; And
The steam feed mechanism is used for the steam of heating is supplied to heating clamber;
Wherein, at least a in high frequency waves and the heating steam be heated object to handle by being supplied to heat in the heating clamber;
Wherein the steam feed mechanism comprises:
The aqua storage tank that can be connected and remove and install with apparatus main body;
Be arranged on the evaporation part of heating clamber inside;
The heater that evaporates the water by heating evaporation portion;
Carrier pipe is used for making the water local boiling of aqua storage tank that water is transported to the evaporation part; With
The carrier pipe heating part is connected with heater with carrier pipe, utilizes the heat energy of heater that the water in the carrier pipe is seethed with excitement;
The heat transfer control part, comprise thermal conductivity ratio constitute the lower material of the material of evaporation part and be inserted into carrier pipe and heater between; And
Wherein be controlled from the amount of heater to the heat energy of dispatch tube conduction.
2. according to the thermatron with steam generating function of claim 1, wherein the amount of the heat energy of supplying with to carrier pipe from heater be equal to or less than the heat energy that supplies to the evaporation part amount 1/10.
3. according to the thermatron with steam generating function of claim 1, wherein utilize the material that on the surface direction except that thickness direction, has bigger thermal conduction characteristic to give the heat transfer control part with the thermal energy conduction of heater.
4. according to the thermatron with steam generating function of claim 1, the sheathed heater that wherein constitutes heater is embedded in the aluminium diecasting, by making steel plate formation recessed shape formation evaporation part through the water-proofing treatment of fluorine, this evaporation part is connected with the upper surface of aluminium diecasting, and utilizes the heat transfer control part that forms by stainless steel that carrier pipe is connected with the side or the bottom surface of aluminium diecasting.
5. according to the thermatron with steam generating function of claim 4, wherein the evaporation part is made and can be connected with aluminium diecasting and detachable from the aluminium diecasting.
6. according to the thermatron with steam generating function of claim 1, the sheathed heater that wherein constitutes heater is embedded in the aluminium diecasting, recess is set to constitute the evaporation part at the aluminium diecasting upper surface, carrier pipe and carrier pipe heating part constitute integrative-structure by heat transfer control part and the aluminium diecasting that is formed by stainless steel.
7. according to the thermatron with steam generating function of claim 6, wherein the surface of evaporation part is through the water-proofing treatment of fluorine.
8. according to the thermatron with steam generating function of claim 1, wherein carrier pipe is formed by aluminium with high thermal conductivity or copper.
9. according to the thermatron with steam generating function of claim 1, wherein the interior surface area of carrier pipe is bigger than its external surface area.
10. according to the thermatron with steam generating function of claim 9, wherein the inner surface of carrier pipe is through the water-proofing treatment of fluorine.
11. according to the thermatron with steam generating function of claim 1, wherein produce local boiling, will be suppressed to 105-120 ℃ in transporting water temperature of carrier pipe in the process of evaporation part by heat energy from heat transfer control part conduction.
12. thermatron with steam generating function according to claim 11, wherein be embedded into by the sheathed heater that will constitute heater on the basis of the heater block of forming in the aluminium diecasting, and on the thermistor of the temperature that is used to detect heater block and the basis of detected thermistor signal, by the control operation heater block, the temperature of control carrier pipe.
13. thermatron with steam generating function according to claim 12, wherein on the basis of detected thermistor signal, when making, multi-pass operation stops heater on-off and when the carrier pipe heating part reaches predetermined threshold value subsequently the operation of heater and reports unusual.
14. according to the thermatron with steam generating function of claim 1, wherein the steam feed mechanism comprises the check-valves that is arranged on the heating part upstream side along the liquid throughput direction.
15. according to the thermatron with steam generating function of claim 14, the material that wherein constitutes carrier pipe is made up of aluminium or copper.
16. thermatron with steam generating function according to claim 1, wherein the carrier pipe heating part is made up of at least two members, mainly by the main member heating that is arranged on the bottom along gravity direction, another member is given main member with the thermal energy conduction of heater to carrier pipe.
17. according to the thermatron with steam generating function of claim 16, wherein main member is configured to dispel the heat along the liquid throughput direction.
18. thermatron with steam generating function according to claim 1, wherein the steam feed mechanism is included in the check-valves of the upstream arrangement of heater, be used for anti-sealing and be back to aqua storage tank from carrier pipe, the heat energy that prevents to utilize heater make the water boiling in the carrier pipe and the bubble that produces to the check-valves side shifting.
19. according to the thermatron with steam generating function of claim 18, wherein the carrier pipe heating part is connected with the part carrier pipe that is arranged on the carrier pipe foot along the liquid throughput direction.
20. according to the thermatron with steam generating function of claim 18, wherein the carrier pipe heating part is configured to and is connected along the acclivitous part carrier pipe of liquid throughput direction.
21. according to the thermatron with steam generating function of claim 19 or 20, wherein the carrier pipe heating part is formed by at least two members, these two members are configured to comprise semicircular concave part respectively.
22. according to the thermatron with steam generating function of claim 21, wherein the carrier pipe heating part is configured such that the width dimensions of semi-circular recesses portion is bigger than the appearance and size of carrier pipe.
23. according to the thermatron with steam generating function of claim 22, wherein the carrier pipe heating part is configured such that the depth dimensions of semi-circular recesses portion is littler than the profile radius size of carrier pipe.
24. according to the thermatron with steam generating function of claim 23, wherein the pipe arrangement of carrier pipe is formed by aluminium with soft durometer or copper.
25. according to the thermatron with steam generating function of claim 19 or 20, wherein the carrier pipe heating part is configured to push the soft material with high thermal conductivity between two members, and closely contact is fixing each other.
26. thermatron with steam generating function according to claim 19 or 20, wherein the carrier pipe heating part is configured to be connected near the sweep of sheathed heater of heater, this sweep forms by the layout sheathed heater, and sheathed heater is by making sheathed heater bend to U-shaped and moulding in the integrated component of making at aluminium diecasting.
27. according to the thermatron with steam generating function of claim 18, wherein carrier pipe is configured such that the curved portions radius of the horizontal pipe arrangement of connection portion and vertical pipe arrangement portion is set at the numerical value more than or equal to 25mm.
28. according to the thermatron with steam generating function of claim 1, wherein discharge bubble from the exhaust portion that is arranged on carrier pipe, this bubble is by the heat energy that utilizes heater the water boiling in the carrier pipe to be produced.
29. according to the thermatron with steam generating function of claim 28, wherein exhaust portion is configured to be arranged on the top along the carrier pipe of liquid throughput direction.
30. according to the thermatron with steam generating function of claim 28, wherein exhaust portion is configured to arrange along vertical with the carrier pipe of liquid throughput direction substantially direction.
31. according to the thermatron with steam generating function of claim 28, wherein exhaust portion is configured such that its front end bends to heating clamber rear wall one side.
32. according to the thermatron with steam generating function of claim 31, wherein the sweep of exhaust portion is configured to be inclined upwardly from horizontal direction.
CNB200480013667XA 2003-05-20 2004-05-19 High frequency heater with vapor generating function Expired - Fee Related CN100414173C (en)

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JP2003141723A JP3714339B2 (en) 2003-05-20 2003-05-20 High-frequency heating device with steam generation function
JP184171/2003 2003-06-27
JP198313/2003 2003-07-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105674457A (en) * 2016-01-28 2016-06-15 温州医科大学 Recoverable medical humidification method and humidifier based on snail-shaped heating rail

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1626228A1 (en) 2003-05-20 2006-02-15 Matsushita Electric Industrial Co., Ltd. High frequency heater with vapor generating function
JP5191909B2 (en) * 2009-01-09 2013-05-08 シャープ株式会社 Heating cooker and steam generator cleaning method
JP4586111B1 (en) * 2009-04-16 2010-11-24 シャープ株式会社 Cooker
JP2011149643A (en) * 2010-01-22 2011-08-04 Sharp Corp Heat cooking apparatus
CN103307687B (en) * 2013-07-09 2016-08-17 温州大学 Based on the electrical heating type air-humidification method and the electrical heating type humidifier that tilt U-rail
CN108369007B (en) * 2015-12-16 2019-10-11 松下知识产权经营株式会社 Heating device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4449026A (en) * 1978-05-08 1984-05-15 Tokyo Shibaura Denki Kabushiki Kaisha High frequency and steam heating method and apparatus
JPH06249445A (en) * 1993-02-25 1994-09-06 Sanyo Electric Co Ltd Microwave oven
JPH08135979A (en) * 1994-11-08 1996-05-31 Matsushita Electric Ind Co Ltd High-frequency heating device
JPH08178298A (en) * 1994-12-28 1996-07-12 Matsushita Electric Ind Co Ltd High-frequency heater
WO1997001065A1 (en) * 1995-06-22 1997-01-09 Matsushita Electric Industrial Co., Ltd. Microwave heater
US5768982A (en) * 1996-10-07 1998-06-23 Societe Cooperative De Production Bourgeois Convection steam oven
JP2001355844A (en) * 2000-06-16 2001-12-26 Matsushita Electric Ind Co Ltd Cooker

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4449026A (en) * 1978-05-08 1984-05-15 Tokyo Shibaura Denki Kabushiki Kaisha High frequency and steam heating method and apparatus
JPH06249445A (en) * 1993-02-25 1994-09-06 Sanyo Electric Co Ltd Microwave oven
JPH08135979A (en) * 1994-11-08 1996-05-31 Matsushita Electric Ind Co Ltd High-frequency heating device
JPH08178298A (en) * 1994-12-28 1996-07-12 Matsushita Electric Ind Co Ltd High-frequency heater
WO1997001065A1 (en) * 1995-06-22 1997-01-09 Matsushita Electric Industrial Co., Ltd. Microwave heater
US5768982A (en) * 1996-10-07 1998-06-23 Societe Cooperative De Production Bourgeois Convection steam oven
JP2001355844A (en) * 2000-06-16 2001-12-26 Matsushita Electric Ind Co Ltd Cooker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105674457A (en) * 2016-01-28 2016-06-15 温州医科大学 Recoverable medical humidification method and humidifier based on snail-shaped heating rail
CN105674457B (en) * 2016-01-28 2018-08-24 温州医科大学 The medical air-humidification method of recoverable based on snail like heating track and humidifier

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