CN112728517B - Steam generating device and steam ablation equipment - Google Patents
Steam generating device and steam ablation equipment Download PDFInfo
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- CN112728517B CN112728517B CN202011607615.2A CN202011607615A CN112728517B CN 112728517 B CN112728517 B CN 112728517B CN 202011607615 A CN202011607615 A CN 202011607615A CN 112728517 B CN112728517 B CN 112728517B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/38—Determining or indicating operating conditions in steam boilers, e.g. monitoring direction or rate of water flow through water tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/78—Adaptations or mounting of level indicators
Abstract
The invention relates to the technical field of medical instruments and discloses a steam generating device and steam ablation equipment. The steam generator of the present invention comprises: steam generation jar, heater and controller, steam generation jar includes: the first steam baffle and the second steam baffle are arranged in the steam generating tank at intervals from top to bottom, the first steam baffle is provided with a first air guide port and a first backflow port, and the second steam baffle is provided with a second air guide port and a second backflow port. The steam generating device is applied to steam ablation equipment and is controlled by a controller, a heater heats liquid, steam is generated in a steam generating tank and sequentially passes through a first steam separation plate and a second steam separation plate, and moisture in the steam is blocked by the first steam separation plate and the second steam separation plate and then is condensed on the steam separation plates, so that the moisture content in the steam is reduced, the steam can be accurately metered when being output, and the safe use of the equipment is ensured.
Description
Technical Field
The embodiment of the invention relates to the technical field of medical instruments, in particular to a steam generating device 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.
Disclosure of Invention
The invention aims to provide a steam generating device and steam ablation equipment, so as to solve the problem of high water content in steam in the background technology.
The embodiment of the invention provides a steam generating device for steam ablation equipment, which comprises: the steam generating device comprises a steam generating tank, a heater, a thermocouple, a pressure sensor 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;
the steam generating tank includes: the first steam-isolating plate and the second steam-isolating plate;
the first steam-isolating plate and the second steam-isolating plate are respectively arranged on the cross section of the steam generating tank, the first steam-isolating plate and the second steam-isolating plate are arranged between the air outlet and the liquid level of the steam generating tank, and the second steam-isolating plate is positioned above the first steam-isolating plate;
the first steam-isolating plate is provided with a first air guide port and a first return port;
the second steam separation plate 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;
the heater is arranged on the steam generating tank and used for heating the liquid in the steam generating tank;
the thermocouple and the pressure sensor are respectively arranged on the steam generating tank, the thermocouple is used for detecting the temperature in the steam generating tank, and the pressure sensor is used for detecting the pressure in the steam generating tank;
the heater is electrically connected with the controller.
Based on the above-mentioned solution, the steam generating device of the present invention is provided with a steam generating tank, a heater, a thermocouple, and a pressure sensor, wherein the steam generating tank includes: the first steam baffle and the second steam baffle are arranged on the cross section of the steam generating tank at intervals from top to bottom, the first steam baffle is provided with a first gas guide port and a first backflow port, the second steam baffle is provided with a second gas guide port and a second backflow port, the second backflow port and the first gas guide port are arranged in a staggered mode, and the second gas guide port and the first backflow port are arranged in a staggered mode. The heater, the thermocouple and the pressure sensor are respectively arranged on the steam generating tank. The steam generating device is applied to steam ablation equipment and is controlled by a controller, a heater heats liquid in a steam generating tank, steam is generated in the steam generating tank, the steam moves upwards in the steam generating tank and sequentially passes through a first steam baffle and a second steam baffle, the steam continues to move upwards along a first air guide port and a second air guide port, moisture in the steam is blocked by the first steam baffle and the second steam baffle and then is condensed on the first steam baffle and the second steam baffle, so that the moisture content in the steam at the top of the steam generating tank is reduced, the steam can be accurately metered when being output, the safe use of the steam ablation equipment is ensured, and the service life of the steam ablation equipment is also prolonged.
In a feasible scheme, the first steam separation plate is in a circular arc shape with an upward convex center, and the first air guide port is arranged in the middle of the circular arc of the first steam separation plate;
the second steam-isolating plate 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 steam-isolating plate. The structure reduces the contact between the steam and the fallen condensate.
In a possible embodiment, the first air guide opening is provided with a plurality of air guide openings;
the first air guide ports are circularly arranged on the first steam separation plate, and the orthographic projection of the second return 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 steam-isolating plate is provided with a liquid-blocking plate 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 on the circumferential side wall of the first steam separation 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 vapour barrier. The structure realizes the maximum effect of the second steam-isolating plate.
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 detection tank, and the top end of the guide rod is fixed on the top plate of the liquid 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.
Embodiments of the present invention further provide a steam ablation apparatus, including: 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 introduced 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 creative efforts.
FIG. 1 is a schematic view of a steam generator according to a first embodiment of the present invention;
FIG. 2 is a schematic view of the interior of a steam generating canister according to a first embodiment of the present invention;
FIG. 3 is a schematic view of a vapor barrier 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 in a second embodiment of the present invention.
The reference numbers in the figures:
1. a steam generating tank; 11. a first vapor barrier; 111. a first air guide port; 112. a first return port; 113. a liquid baffle; 12. a second vapor barrier; 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 technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 indicated orientations and positional relationships based on the drawings for convenience in describing and simplifying the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be understood broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The technical solution of the present invention will be described in detail below 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 a schematic view of a steam generating device according to a first embodiment of the present invention, fig. 2 is a schematic view of an interior of a steam generating tank according to a first embodiment of the present invention, fig. 3 is a schematic view of a steam barrier according to a first embodiment of the present invention, and fig. 4 is a schematic view of an interior of a liquid level detecting tank according to a first embodiment of the present invention. 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.
The steam generating tank 1 includes: a first vapour barrier 11 and a second vapour barrier 12.
The first steam barrier 11 is provided with a first air guide opening 111 and a first return opening 112.
The second steam barrier 12 is provided with a second air guide opening 121 and a second return opening 122, the second return opening 122 on the second steam barrier 12 and the first air guide opening 111 on the first steam barrier 11 are arranged in a staggered manner in the vertical direction, and the second air guide opening 121 on the second steam barrier 12 and the first return opening 112 on the first steam barrier 11 are also arranged in a staggered manner.
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 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 steam-isolating plate, part of moisture in the steam is blocked by the first steam-isolating plate, condenses on the first steam-isolating plate and falls back into the liquid below, and the rest of the steam continues to move upwards through the first air guide opening and the first return opening; after meeting the second steam-isolating plate again, part of water in the steam is blocked by the second steam-isolating plate, condenses on the second steam-isolating plate and falls onto the first steam-isolating plate below, falls back into the liquid below along the first steam-isolating plate, the rest of the steam continues to move upwards through the second air guide port and the second return port, and part of the water in the steam condenses on the top plate 13 of the steam generation tank 1. And first gas port and first backward flow mouth are led to the first gas baffle on, second gas port and second backward flow mouth on the second gas baffle dislocation set in vertical direction for the steam major part after being blockked by first gas baffle can be blockked by the second gas baffle once more, water content greatly reduced in the steam of the gas outlet output of following steam generation jar, the flow of steam can the accurate measurement, and steam melts the damage greatly reduced of equipment, guarantee the safe handling of equipment, also prolong the life of equipment.
As can be seen from the above, the steam generating device of the present embodiment, by providing the steam generating tank, the heater, the thermocouple and the pressure sensor, the steam generating tank includes: the steam generator comprises a first steam baffle and a second steam baffle, wherein the first steam baffle and the second steam baffle are arranged on the cross section of the steam generating tank at intervals from top to bottom, the first steam baffle is provided with a first gas guide port and a first backflow port, the second steam baffle is provided with a second gas guide port and a second backflow port, the second backflow port and the first gas guide port are arranged in a staggered mode, the second gas guide port and the first backflow port are arranged in a staggered mode, and a heater, a thermocouple and a pressure sensor are arranged on the steam generating tank respectively. The steam generating device of this embodiment, be applied to steam ablation equipment, by controller control, the heater is to the liquid heating in the steam generation jar, produce steam in the steam generation jar, steam upward movement in the steam generation jar, pass through first vapour barrier and second vapour barrier in proper order, steam continues upward movement along leading gas port and backward flow mouth, partial moisture in the steam is blockked the back gathering by first vapour barrier and second vapour barrier on first vapour barrier and second vapour barrier, and fall back to in the liquid of below, make the water content in the steam at steam generation tank deck portion reduce, but accurate measurement during steam output, also guarantee steam ablation equipment's safe handling, the life of extension steam ablation equipment.
Optionally, as shown in fig. 2 and 3, in the steam generating device in this embodiment, the first steam barrier 11 located below is in a circular arc shape with an upward convex center, and the first air guide opening 111 is disposed in the middle of the circular arc of the first steam barrier 11 and located between the vertex of the first steam barrier 11 and the circumferential outer wall.
The second vapor barrier 12 is in the shape of an arc with a downward-depressed center, and the second return opening 122 is disposed at the center of the second vapor barrier 12. The condensate drops on the top plate 13 of the steam generation tank fall on the second steam-isolating plate 12, and when the condensate drops and is collected to the second backflow port 122 and falls downwards, the condensate drops to the top of the first steam-isolating plate 11, and the condensate slides downwards along the circular arc side wall of the first steam-isolating plate, so that the condensate cannot collide with the steam moving upwards along the first gas guide port 111, 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, a plurality of first air guide openings 111 are provided in the first steam barrier 11.
The plurality of first air guide ports 111 are circularly arranged on the arc side wall of the first steam separation plate 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 steam separation plate 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 steam-isolating plate 12 is positioned in the 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 generating device of the present embodiment, the first steam-isolating plate 11 is provided with a liquid-blocking plate 113 at the plurality of first air-guiding ports 111.
The liquid baffle 113 is semicircular and is disposed at one side of the first gas guide opening 111 close to the center of the first gas barrier 11, so that the condensate falling from the second reflux opening 122 cannot enter the first gas guide opening 111 when sliding down along the arc-shaped side wall of the first gas barrier 11.
Further, in the steam generating device of this embodiment, the first steam-blocking plate 11 has a plurality of first steam-return openings 112, and the plurality of first steam-return openings 112 are uniformly arranged at the circumferential side wall of the first steam-blocking plate 11 at equal intervals.
A plurality of second air guide ports 121 are formed in the second steam barrier 12, and the plurality of second air guide ports 121 are uniformly distributed on the circumferential side wall of the second steam barrier 12 at equal intervals.
The first return opening 112 and the second air guide opening 121 are arranged in a staggered manner in the vertical direction, so that the steam moving upwards from the first return opening 112 can be blocked by the second steam separation plate 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: a liquid level detection mechanism 5.
The liquid level detection mechanism 5 includes: liquid level detection tank 51, detection float 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 the upper and lower position of floater 52 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 the preset position, be close inductor 53 and send the position signal of surveying the floater to the controller, liquid level signal in the liquid level detection jar promptly, the controller is according to the liquid level in the liquid level detection jar, the control is to the liquid feeding in the steam generation jar 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 detection tank 51, and the top end of the guide rod 54 is fixed on the top plate of the liquid 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 detection tank 51.
The proximity sensor 53 is fixedly arranged on the guide rod 54, senses 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 vertically spaced from each other and are provided on the guide rod 54 in the liquid detection tank 51.
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 in a second embodiment of the present invention.
As shown in fig. 5, the steam ablation apparatus of the present embodiment includes: a device body and a steam generating device as described in the above embodiments.
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 invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first feature and the second feature may be indirectly contacting each other through intervening media.
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; while the invention has been described in detail and with reference to the foregoing embodiments, it will 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; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
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; the steam generating tank includes: the first steam-isolating plate and the second steam-isolating plate;
the first steam-isolating plate and the second steam-isolating plate are respectively arranged on the cross section of the steam generating tank, the first steam-isolating plate and the second steam-isolating plate are arranged between the air outlet and the liquid level of the steam generating tank, and the second steam-isolating plate is positioned above the first steam-isolating plate;
the first steam baffle is provided with a first air guide port and a first return port;
the second steam separation plate 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;
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;
the first steam-isolating plate 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 steam-isolating plate;
the second steam-isolating plate 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 steam-isolating plate.
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 as claimed in claim 1, wherein the first air guide opening is provided in plurality;
the plurality of first air guide ports are circularly arranged on the first steam baffle, and the orthographic projection of the second return port is positioned in a circular ring formed by the plurality of first air guide ports; the first gas baffle is provided with a liquid baffle at the first gas guide opening;
the liquid baffle is semicircular and is used for preventing condensed water from entering the first air guide port.
4. The steam generating device as recited in claim 1, wherein the first steam return openings are provided in plurality, and are uniformly distributed at the circumferential side wall of the first steam separation 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 vapour barrier.
5. The steam generating apparatus of claim 2, wherein 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.
6. A steam generating apparatus according to any one of claims 1 to 5, 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.
7. A steam generating apparatus according to claim 6, wherein the liquid level detection mechanism further comprises: a guide rod;
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.
8. The steam generating device of claim 7, 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.
9. A steam ablation device, comprising: a device body and a steam generating apparatus as claimed in any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607615.2A CN112728517B (en) | 2020-12-30 | 2020-12-30 | Steam generating device and steam ablation equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607615.2A CN112728517B (en) | 2020-12-30 | 2020-12-30 | Steam generating device and steam ablation equipment |
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| CN112728517A CN112728517A (en) | 2021-04-30 |
| CN112728517B true CN112728517B (en) | 2022-09-27 |
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| US11490946B2 (en) * | 2017-12-13 | 2022-11-08 | Uptake Medical Technology Inc. | Vapor ablation handpiece |
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| CN106122916A (en) * | 2016-06-30 | 2016-11-16 | 厉雁翔 | Electromagnetic heating steam generating means |
| CN207796988U (en) * | 2017-12-09 | 2018-08-31 | 珠海精准度智能科技有限公司 | A kind of hot water of steam cooking stove, steam and high-temperature steam convert generating means |
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| CN112728517A (en) | 2021-04-30 |
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