CN214619475U - Steam generating device and steam ablation equipment - Google Patents
Steam generating device and steam ablation equipment Download PDFInfo
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- CN214619475U CN214619475U CN202023272469.0U CN202023272469U CN214619475U CN 214619475 U CN214619475 U CN 214619475U CN 202023272469 U CN202023272469 U CN 202023272469U CN 214619475 U CN214619475 U CN 214619475U
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Abstract
The utility model relates to the technical field of medical equipment, a steam generator and steam ablation equipment is disclosed. The utility model discloses a steam generator, include: the steam generating device comprises a steam generating tank, a heater and a controller, wherein a liquid inlet and a gas outlet are respectively arranged at the bottom end and the top end of the steam generating tank, a liquid blocking mechanism is arranged in the steam generating tank, and the heater is arranged on the steam generating tank. The utility model discloses a steam generator is applied to steam ablation equipment, by controller control, the heater is to liquid heating, produces steam in steam generation jar, and steam is when keeping off liquid mechanism, and the moisture in the steam flows back to in the liquid of below after being stopped by fender liquid mechanism for water content in the steam reduces, but accurate measurement when steam output guarantees the safe handling of equipment.
Description
Technical Field
The embodiment of the utility model provides a relate to medical instrument technical field, concretely relates to steam generator and steam ablation equipment.
Background
Steam ablation is a new non-implanted endoscopic intervention technology, a steam conduit is sent to a diseased part of a human organ by an endoscope, and steam acts on diseased tissues of the human body through the conduit to restore the functions of the human organ.
The existing steam ablation equipment mainly comprises: the steam generating device comprises a generating tank and a heater, liquid is added into the generating tank, the heater heats the liquid in the generating tank, generated steam is conveyed to the steam guide pipe through the operating handle, the steam guide pipe is inserted into a human body, and pathological change tissues of the human body are repaired through the steam.
However, the existing steam ablation equipment has the advantages that the water content in steam is high, the service life of the equipment is shortened, and the potential safety hazard of the equipment is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steam generator and steam ablation equipment to solve the higher problem of water content in the steam among the above-mentioned background art.
An embodiment of the utility model provides a steam generator for steam ablation equipment, include: a steam generating tank, a heater and a controller;
the bottom end and the top end of the steam generating tank are respectively provided with a liquid inlet and a gas outlet, the liquid inlet is used for being connected with a liquid inlet pipeline, and the gas outlet is used for being connected with a gas outlet pipeline;
a liquid blocking mechanism is arranged in the steam generating tank;
the liquid blocking mechanism is arranged between the liquid level of the steam generating tank and the air outlet and is used for blocking moisture in the steam;
the heater is arranged on the steam generating tank and used for heating the liquid in the steam generating tank;
the heater is electrically connected with the controller.
According to the above technical scheme, the utility model discloses a steam generator, through setting up steam generation jar, heater and controller, steam generation jar's bottom and top are equipped with inlet and gas outlet respectively, are equipped with in the steam generation jar and keep off liquid mechanism, and the heater setting is on steam generation jar. The utility model discloses a steam generator, be applied to steam ablation equipment, by controller control, the heater is to the liquid heating in the steam generation jar, steam is produced in the steam generation jar, steam moves upwards in the steam generation jar, through the fender liquid mechanism in the steam generation jar, steam continues the upward movement, moisture in the steam is blockked by fender liquid mechanism, make the water content in the steam at top in the steam generation jar reduce, but accurate measurement when steam is exported, guarantee steam ablation equipment's safe handling, also prolong steam ablation equipment's life.
In one possible embodiment, the method further comprises: thermocouples and pressure sensors;
the thermocouple and the pressure sensor are respectively arranged on the steam generation tank and are respectively electrically connected with the controller, the thermocouple is used for detecting the temperature in the steam generation tank, and the pressure sensor is used for detecting the pressure in the steam generation tank.
In one possible solution, the liquid blocking mechanism comprises: a first baffle and a second baffle;
the first baffle and the second baffle are respectively arranged on the cross section of the steam generating tank, and the second baffle is positioned above the first baffle;
the first baffle is provided with a first air guide port and a first return port;
the second baffle is provided with a second air guide port and a second backflow port, the second backflow port and the first air guide port are arranged in a staggered mode, and the second air guide port and the first backflow port are arranged in a staggered mode.
In a feasible scheme, the first baffle is in the shape of an arc with the center protruding upwards, and the first air guide port is arranged in the middle of the arc of the first baffle;
the second baffle is in the shape of a circular arc with the center sunken downwards, and the second backflow port is arranged at the center of the second baffle. This configuration reduces the contact of the steam with the falling condensate.
In one possible embodiment, the first air guide opening is provided in plurality;
the first air guide ports are circularly arranged on the first baffle, and the orthographic projection of the second backflow port is positioned in a circular ring formed by the first air guide ports. The structure makes the steam in the steam generating tank more uniform.
In a feasible scheme, the first baffle is provided with a liquid baffle at the first air guide port;
the liquid baffle is semicircular and is used for preventing condensed water from entering the first air guide port. This kind of structure, the contact of steam and condensate reduces more.
In a possible scheme, the first backflow port is provided with a plurality of first backflow ports, and the plurality of first backflow ports are uniformly distributed at the circumferential side wall of the first baffle plate;
the second leads the gas port to be equipped with a plurality ofly, and is a plurality of the second leads the gas port equipartition to be in the circumference lateral wall department of second baffle. This kind of structure realizes the biggest effect of second baffle.
In one possible approach, the heater comprises: a heating rod and a heating ring;
the heating rod is arranged at the bottom end of the steam generating tank and extends into the containing cavity of the steam generating tank;
the heating ring is sleeved on the outer wall of the steam generating tank and is positioned above the heating rod. With the structure, steam can be rapidly generated.
In one possible embodiment, the method further comprises: a liquid level detection mechanism;
the liquid level detection mechanism includes: the liquid level detection tank, the detection floating ball and the proximity sensor;
the bottom end of the liquid level detection tank is communicated with the bottom end of the steam generation tank through a first connecting pipeline, and the top end of the liquid level detection tank is communicated with the top end of the steam generation tank through a second connecting pipeline;
the detection floating ball is arranged in the liquid level detection tank;
the proximity sensor is arranged on the liquid level detection tank and electrically connected with the controller, and is used for sending a position signal to the controller when sensing that the detection floating ball reaches a preset position. This kind of structure realizes the accurate detection to the liquid level in the steam generation jar.
In one possible solution, the liquid level detection mechanism further includes: a guide bar;
the guide rod is vertically arranged in the liquid level detection tank, and the top end of the guide rod is fixed on the top plate of the liquid level detection tank;
the detection floating ball is sleeved on the guide rod;
the proximity sensor is arranged on the guide rod. The floating ball is convenient to detect and fix the proximity sensor through the structure.
In one possible solution, three proximity sensors are provided, and the three proximity sensors are arranged on the guide rod at intervals;
the detection floating balls are arranged in two numbers, and the two detection floating balls are respectively arranged between the two adjacent proximity inductors. This kind of structure realizes the accurate control to the liquid level.
The embodiment of the utility model provides a steam ablation equipment is still provided, include: the steam generating device comprises a device body and the steam generating device designed in any one of the above items. With this structure, the water content in the steam of the steam ablation device is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic view of a steam generating device according to a first embodiment of the present invention;
FIG. 2 is a schematic view of the interior of a steam generating tank according to a first embodiment of the present invention;
fig. 3 is a schematic view of a baffle plate according to a first embodiment of the present invention;
FIG. 4 is a schematic view of the interior of the liquid level detection tank according to the first embodiment of the present invention;
fig. 5 is a schematic view of a steam ablation device according to a second embodiment of the present invention.
Reference numbers in the figures:
1. a steam generating tank; 11. a first baffle plate; 111. a first air guide port; 112. a first return port; 113. a liquid baffle; 12. a second baffle; 121. a second air guide port; 122. a second return port; 13. a top plate; 2. a heater; 21. a heating rod; 22. heating a ring; 3. a thermocouple; 41. a liquid inlet pipeline; 42. an air outlet pipe; 5. a liquid level detection mechanism; 51. a liquid level detection tank; 52. detecting a floating ball; 53. a proximity sensor; 54. a guide bar; 61. a box body; 62. an operating handle; 63. a steam conduit.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; the connection can be mechanical connection, electrical connection or communication connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
As described in the background of the present application, the existing steam ablation apparatus basically comprises: the steam generating device comprises a generating tank and a heater, the heater heats liquid in the generating tank, steam generated in the generating tank is conveyed to the steam guide pipe through the operating handle, and the steam guide pipe is inserted into a human body to repair pathological change tissues of the human body through the steam.
The inventor of the application finds that in the existing steam ablation equipment, a certain amount of liquid is injected into a generating tank, a heater heats the liquid in the generating tank, steam is generated by heating in the generating tank, and the steam moves upwards and is discharged from a gas outlet at the top end. Because liquid can tumble when heating, steam and water rise jointly for the water content in the steam is higher, and flow when steam is exported can not accurate measurement, and the moisture in the steam can cause the damage of steam ablation equipment, reduces the life of equipment, has the potential safety hazard.
In order to solve the above problems, the inventor of the present application proposes a technical solution of the present application, and specific embodiments are as follows:
fig. 1 is the utility model discloses steam generator's in the embodiment one schematic diagram, fig. 2 is the utility model provides a steam generation jar's in the embodiment one inside schematic diagram, fig. 3 is the utility model discloses a baffle's in the embodiment one schematic diagram, fig. 4 is the utility model provides a liquid level detection jar's in the embodiment one inside schematic diagram. As shown in fig. 1 to 4, the steam generator of the present embodiment includes: a steam generating tank 1, a heater 2, a thermocouple 3, a pressure sensor and a controller.
The steam generating tank 1 is fixedly arranged, a liquid inlet is formed in the bottom end of the steam generating tank 1, the liquid inlet of the steam generating tank is communicated with an external water source through a liquid inlet pipeline 41, and the external water source fills liquid into the accommodating cavity of the steam generating tank 1 through the liquid inlet pipeline 41.
The top of steam generating tank 1 is equipped with the gas outlet, and the gas outlet of steam generating tank 1 is connected with external equipment (operating handle) through outlet pipe 42, exports the steam in the appearance intracavity of steam generating tank 1 to external equipment (operating handle). Of course, the liquid inlet pipe 41 and the gas outlet pipe 42 are provided with electromagnetic valves, and the electromagnetic valves are electrically connected with a controller, and the controller controls the on-off of the electromagnetic valves.
A liquid blocking mechanism is arranged in the steam generating tank 1.
The liquid blocking mechanism is arranged on the cross section of the steam generating tank and is positioned between the liquid level in the steam generating tank and the air outlet at the top end of the steam generating tank. The steam generated in the steam generating tank continuously moves upwards through the liquid blocking mechanism, and part of water in the steam is blocked by the liquid blocking mechanism and flows back to the liquid at the lower part of the steam generating tank so as to reduce the water content in the steam.
The heater 2 is provided on the steam generating tank 1, and the heater 2 heats the liquid in the steam generating tank 1 to generate steam in the steam generating tank 1.
The thermocouple 3 and the pressure sensor are respectively arranged on the steam generating tank 1, the thermocouple 3 extends into the steam generating tank 1 to detect the temperature in the steam generating tank 1, and the pressure sensor (not shown in the figure) detects the pressure in the steam generating tank 1.
The heater 2, the thermocouple 3 and the pressure sensor are electrically connected to a controller (not shown). The thermocouple 3 and the pressure sensor respectively transmit the detected temperature signal and the pressure signal to the controller, and the controller receives the temperature signal of the thermocouple and the pressure signal of the pressure sensor and controls the heater 2 to execute corresponding preset actions according to a preset program.
In the embodiment, the heater heats the liquid in the steam generating tank, steam is generated in the steam generating tank, the generated steam moves upwards, after meeting the liquid blocking mechanism, part of water in the steam is blocked by the liquid blocking mechanism, is condensed on the liquid blocking mechanism and falls back into the liquid below the liquid blocking mechanism, and the rest of the steam continues to move upwards; the water content in the steam output from the air outlet of the steam generating tank is greatly reduced, the flow of the steam can be accurately measured, the damage of the steam to the steam ablation equipment is greatly reduced, the safe use of the equipment is ensured, and the service life of the equipment is also prolonged.
It can be easily found from the above description that, in the steam generating device of the present embodiment, by providing the steam generating tank, the heater and the controller, the bottom end and the top end of the steam generating tank are respectively provided with the liquid inlet and the gas outlet, the liquid blocking mechanism is provided in the steam generating tank, and the heater is provided on the steam generating tank. The utility model discloses a steam generator, be applied to steam ablation equipment, by controller control, the heater is to the liquid heating in the steam generation jar, steam is produced in the steam generation jar, steam moves upwards in the steam generation jar, through the fender liquid mechanism in the steam generation jar, steam continues the upward movement, moisture in the steam is blockked by fender liquid mechanism, make the water content in the steam at top in the steam generation jar reduce, but accurate measurement when steam is exported, guarantee steam ablation equipment's safe handling, also prolong steam ablation equipment's life.
Optionally, in the steam generating device in this embodiment, the liquid blocking mechanism includes: a first baffle 11 and a second baffle 12.
The first baffle 11 is provided with a first air guide port 111 and a first return port 112.
The second baffle 12 is provided with a second air guide opening 121 and a second return opening 122, the second return opening 122 on the second baffle 12 and the first air guide opening 111 on the first baffle 11 are arranged in a staggered manner in the vertical direction, and the second air guide opening 121 on the second baffle 12 and the first return opening 112 on the first baffle 11 are also arranged in a staggered manner.
In this embodiment, the heater heats the liquid in the steam generating tank, steam is generated in the steam generating tank, the generated steam moves upwards, after meeting the first baffle, part of moisture in the steam is blocked by the first baffle, condenses on the first baffle and falls back into the liquid below, and the rest of steam continues to move upwards through the first air guide opening and the first return opening; after meeting the second baffle again, part of moisture in the steam is blocked by the second baffle, condenses on the second baffle and falls onto the first baffle below, falls back into the liquid below along the first baffle, the rest of steam continues to move upwards through the second air guide port and the second return port, and part of moisture in the steam condenses on the top plate 13 of the steam generating tank 1. And the first air guide port and the first return opening on the first baffle, the second air guide port and the second return opening on the second baffle are arranged in a staggered manner in the vertical direction, so that most of the steam blocked by the first baffle can be blocked by the second baffle again, and the water content in the steam output from the air outlet of the steam generating tank is greatly reduced.
Optionally, as shown in fig. 2 and 3, in the steam generator in this embodiment, the first baffle 11 located below is in the shape of an arc with an upward convex center, and the first air guide opening 111 is disposed in the middle of the arc of the first baffle 11 and located between the vertex of the first baffle 11 and the circumferential outer wall.
The second baffle 12 is in the shape of an arc with a downward concave center, and the second backflow port 122 is disposed at the center of the second baffle 12. The condensate drops on the top plate 13 of the steam generation tank fall on the second baffle 12, and when the condensate drops after being collected to the second backflow port 122 and falls downwards, the condensate drops on the top of the first baffle 11, and the condensate drops downwards along the arc side wall of the first baffle and cannot collide with the steam moving upwards along the first gas guide port 111, so that the contact between the steam and the condensate is reduced, and the condensate is prevented from being adsorbed by the steam again.
Further, in the steam generating device of the present embodiment, the first air guide opening 111 of the first baffle plate 11 is provided in plurality.
The plurality of first air guide ports 111 are circularly arranged on the arc side wall of the first baffle 11, and the circle center of the circle formed by the plurality of first air guide ports 111 coincides with the center of the first baffle 11, so that the steam is uniformly dispersed in the steam generation tank. The orthographic projection of the second return opening 122 on the second baffle 12 is positioned in a circular ring formed by the plurality of first air guide openings 111, and the condensate falling along the side wall of the second return opening 122 cannot fall into the first air guide openings 111, so that the contact between the steam and the condensate is reduced.
Further, in the steam generator of the present embodiment, the first baffle 11 is provided with a liquid baffle 113 at the plurality of first air guide openings 111.
The liquid baffle 113 is semicircular and disposed on one side of the first air guide opening 111 close to the center of the first baffle 11, so that the condensate falling from the second return opening 122 cannot enter the first air guide opening 111 when sliding down along the circular arc sidewall of the first baffle 11.
Further, in the steam generating device of this embodiment, the first backflow port 112 on the first baffle 11 is provided in plural, and the plural first backflow ports 112 are uniformly distributed at equal intervals on the circumferential side wall of the first baffle 11.
The second air guide holes 121 on the second baffle plate 12 are provided in plural, and the plural second air guide holes 121 are uniformly distributed at the circumferential side wall of the second baffle plate 12 at equal intervals.
The first return opening 112 and the second air guide opening 121 are disposed to be offset from each other in the up-down direction so that the steam moving upward from the first return opening 112 is blocked by the second barrier 12 to reduce the water content in the steam.
Alternatively, in the steam generator of the present embodiment, the heater 2 includes: a heating rod 21 and a heating ring 22.
The heating rod 21 is arranged at the bottom end of the steam generating tank 1, the heating end of the heating rod 21 extends into the containing cavity of the steam generating tank 1 and is immersed in the liquid in the steam generating tank 1, and the heating rod 21 directly heats the liquid in the steam generating tank 1 when being electrified.
The heater 22 is matched with the outer diameter of the steam generating tank 1, the heating ring 22 is sleeved on the outer wall of the steam generating tank 1, the heating ring 22 is positioned above the heating rod 21, and the installation height of the heating ring 22 on the steam generating tank 1 corresponds to the liquid level height of liquid and steam in the steam generating tank 1 in a relatively stable state.
In the embodiment, in the equipment starting stage, the heating rod and the heating ring are heated simultaneously, so that steam is rapidly generated in the steam generation tank; after the temperature and the pressure in the steam generation tank reach preset values, the heating rod is closed, the temperature and the pressure in the steam generation tank are kept in a working range through the heating ring, and the equipment is more energy-saving.
Further, as shown in fig. 1 and 4, the steam generator in this embodiment further includes: and a liquid level detection mechanism 5.
The liquid level detection mechanism 5 includes: liquid level detection tank 51, detection floating ball 52 and proximity sensor 53.
The liquid level detection tank 51 is arranged at one side of the steam generation tank 1, the bottom end of the liquid level detection tank 51 is communicated with the bottom end of the steam generation tank 1 through a first connecting pipeline 43, liquid in the steam generation tank 1 flows into the liquid level detection tank 51 through the first connecting pipeline 43, the top end of the liquid level detection tank 51 is communicated with the top end of the steam generation tank 1 through a second connecting pipeline 44, the height of the connecting point of the second connecting pipeline 44 and the steam generation tank 1 is greater than the height of the highest liquid level allowed by the steam generation tank 1, the top air pressure in the liquid level detection tank 51 is consistent with the gas phase pressure at the top of the steam generation tank 1, so that the liquid level in the liquid level detection tank 51 is consistent with the liquid level in the steam generation tank 1, by detecting the liquid level in the liquid level detection tank 51, the liquid level in the steam generating tank 1 is obtained, and the accurate detection and control of the liquid level of the steam generating tank 1 are realized.
The detection floating ball 52 is arranged in the cavity of the liquid level detection tank 51, floats on the liquid level in the liquid level detection tank 51, and the up-down position of the detection floating ball 52 changes along with the change of the liquid level in the liquid level detection tank 51.
The proximity sensor 53 is disposed on the liquid level detection tank 51, and the proximity sensor 53 is electrically connected to the controller. Be close inductor 53 response and survey floater 52 upper and lower position in liquid level detection jar 51, detect the liquid level height in the liquid level detection jar 51 promptly, when surveying floater 52 and reacing preset position, be close inductor 53 and send the position signal who surveys the floater to the controller, liquid level signal in the liquid level detection jar promptly, liquid level in the controller surveys the jar according to the liquid level, control is to steam generation jar interior liquid feeding or stop the liquid feeding.
Further, in the steam generating apparatus of this embodiment, the liquid level detection mechanism further includes: a guide rod 54.
The guide rod 54 is vertically arranged in the cavity of the liquid level detection tank 51, and the top end of the guide rod 54 is fixed on the top plate of the liquid level detection tank 51.
The detection floating ball 52 is provided with a guide hole, the diameter of the guide hole of the detection floating ball 52 is larger than the outer diameter of the guide rod 54, the detection floating ball 52 is sleeved on the guide rod 54 through the guide hole, and the detection floating ball 52 floats up and down along the guide rod 54 along with the change of the liquid level in the liquid level detection tank 51.
The proximity sensor 53 is fixedly arranged on the guide rod 54, senses and detects the position of the floating ball 52, and sends a position signal for detecting the floating ball to the controller when the floating ball reaches a preset position.
Further, in the steam generating device of the present embodiment, three proximity sensors 53 are provided, and the three proximity sensors 53 are disposed on the guide rod 54 in the liquid level detection tank 51 at intervals up and down.
Two detection floating balls 52 are arranged, the two detection floating balls 52 are sleeved on a guide rod 54, and the two detection floating balls 52 are respectively positioned between two adjacent proximity sensors 53.
In the embodiment, when liquid is added into the steam generating tank, the detection floating ball at the lower part moves upwards along with the increase of the liquid level in the steam generating tank, the controller controls the heater to start working when the proximity sensor at the lower part cannot sense the floating ball at the lower part, the liquid in the steam generating tank is heated, the liquid is continuously added into the steam generating tank, and when the proximity sensor at the upper part detects the detection floating ball, the controller controls the liquid adding to stop; after the heater heats a period, temperature and pressure in the steam generation tank reach the default, and equipment gets into operating condition, along with the reduction of liquid in the steam generation tank, surveys the floater and constantly descends, when the sensor that is close at the middle part can not detect the detection floater of below, controller control generation tank liquid feeding, when the sensor that is close at the middle part can not detect the detection floater of top, controller control stops the liquid feeding, makes the liquid level in the steam generation tank be in relatively stable operating condition.
Fig. 5 is a schematic view of a steam ablation device according to a second embodiment of the present invention.
As shown in fig. 5, the steam ablation apparatus of the present embodiment includes: the steam generating device of the above-mentioned embodiment and the equipment body.
The equipment body include: a case 61, an operating handle 62, and a steam guide 63.
Steam generator set up in the box 61 of equipment body, operating handle 62's one end is connected with steam generation jar's gas outlet through the pipeline of giving vent to anger, steam conduit 63 is connected at operating handle 62's the other end, is linked together with the pipeline of giving vent to anger, steam in the steam generation jar is carried steam conduit through the pipeline of giving vent to anger, is carried steam in the human body by steam conduit.
In the present application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first feature or the second feature or indirectly contacting the first feature or the second feature through an intermediate.
Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A steam generating device for use in a steam ablation apparatus, comprising: a steam generating tank, a heater and a controller;
the bottom end and the top end of the steam generating tank are respectively provided with a liquid inlet and a gas outlet, the liquid inlet is used for being connected with a liquid inlet pipeline, and the gas outlet is used for being connected with a gas outlet pipeline;
a liquid blocking mechanism is arranged in the steam generating tank;
the liquid blocking mechanism is arranged between the liquid level of the steam generating tank and the air outlet and is used for blocking moisture in the steam;
the heater is arranged on the steam generating tank and used for heating the liquid in the steam generating tank;
the heater is electrically connected with the controller.
2. The steam generating apparatus of claim 1, further comprising: thermocouples and pressure sensors;
the thermocouple and the pressure sensor are respectively arranged on the steam generation tank and are respectively electrically connected with the controller, the thermocouple is used for detecting the temperature in the steam generation tank, and the pressure sensor is used for detecting the pressure in the steam generation tank.
3. The steam generating apparatus of claim 2, wherein the liquid blocking mechanism comprises: a first baffle and a second baffle;
the first baffle and the second baffle are respectively arranged on the cross section of the steam generating tank, and the second baffle is positioned above the first baffle;
the first baffle is provided with a first air guide port and a first return port;
the second baffle is provided with a second air guide port and a second backflow port, the second backflow port and the first air guide port are arranged in a staggered mode, and the second air guide port and the first backflow port are arranged in a staggered mode.
4. The steam generating device as claimed in claim 3, wherein the first baffle is in the shape of a circular arc with an upward convex center, and the first air guide opening is arranged in the middle of the circular arc of the first baffle;
the second baffle is in the shape of a circular arc with the center sunken downwards, and the second backflow port is arranged at the center of the second baffle.
5. The steam generating apparatus according to claim 4, wherein the first air guide opening is provided in plurality;
the first air guide ports are circularly arranged on the first baffle, and the orthographic projection of the second backflow port is positioned in a circular ring formed by the first air guide ports.
6. The steam generating apparatus of claim 5, wherein the first baffle is provided with a liquid baffle at the first air guide port;
the liquid baffle is semicircular and is used for preventing condensed water from entering the first air guide port.
7. The steam generating apparatus according to any one of claims 1 to 6, further comprising: a liquid level detection mechanism;
the liquid level detection mechanism includes: the liquid level detection tank, the detection floating ball and the proximity sensor;
the bottom end of the liquid level detection tank is communicated with the bottom end of the steam generation tank through a first connecting pipeline, and the top end of the liquid level detection tank is communicated with the top end of the steam generation tank through a second connecting pipeline;
the detection floating ball is arranged in the liquid level detection tank;
the proximity sensor is arranged on the liquid level detection tank and electrically connected with the controller, and is used for sending a position signal to the controller when sensing that the detection floating ball reaches a preset position.
8. The steam generating apparatus according to claim 7, wherein the liquid level detecting mechanism further comprises: a guide bar;
the guide rod is vertically arranged in the liquid level detection tank, and the top end of the guide rod is fixed on the top plate of the liquid level detection tank;
the detection floating ball is sleeved on the guide rod;
the proximity sensor is arranged on the guide rod.
9. The steam generating device of claim 8, wherein the proximity sensor is provided with three proximity sensors, and the three proximity sensors are arranged on the guide rod at intervals;
the detection floating balls are arranged in two numbers, and the two detection floating balls are respectively arranged between the two adjacent proximity inductors.
10. A steam ablation device, comprising: a device body and a steam generating device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023272469.0U CN214619475U (en) | 2020-12-30 | 2020-12-30 | Steam generating device and steam ablation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023272469.0U CN214619475U (en) | 2020-12-30 | 2020-12-30 | Steam generating device and steam ablation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214619475U true CN214619475U (en) | 2021-11-05 |
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| CN202023272469.0U Active CN214619475U (en) | 2020-12-30 | 2020-12-30 | Steam generating device and steam ablation equipment |
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