134 results about "Steam sterilizers" patented technology

The invention discloses a steam sterilizer based on deep reinforcement learning and an intelligent control system, and belongs to the technical field of automatic control. In the intelligent control system, a first subtracter generates a sequence first error signal according to an actually measured temperature provided by a temperature sensor and a set temperature; the second subtracter generates a sequence second error signal according to the actually measured air pressure provided by the pressure sensor and the saturated air pressure of the water vapor determined by the set temperature; the deep reinforcement learning module generates a first state according to the sequence first error signal, generates a second state according to the sequence second error signal, and generates control strategies of the first PID controller and the second PID controller according to the first state and the second state; generating a control strategy of the electronic change-over switch according to the second error signal; the first PID controller controls the working state of the steam generator; and the second PID controller selects the electric control air inlet valve or the first electric control exhaust valve through the electronic change-over switch. Saturated steam can be ensured to participate in sterilization, and the sterilization effect is good.

There is provided a UV steam sterilizer including, a main body provided to generate steam by heating water, and a to-be-sterilized-article container having a space containing the to-be-sterilized-article to be sterilized by the steam and detachably placed on the main body. In addition, the UV steam sterilizer includes, a heating plate, heating the water contained in a water containing groove, installed at the bottom of the water containing groove provided on the upper surface of the main body in a form of being concave downward, a water level sensor installed on a sidewall of the water containing groove to detect the lowest water level of the water contained in the water containing groove, a steam heater built in the main body to control to heat the heating plate during operation and to stop when the water level sensor detects the lowest water level, and a UV irradiation unit installed on the heating plate to irradiate ultraviolet rays to residual water remaining in the water containing groove while maintaining the lowest water level as the water level, and controlled to irradiate the ultraviolet rays after the steam heater stops.

This invention relates to the field of temperature sensor technology and discloses a steam outlet temperature detection device for a steam sterilizer. The invention includes a detection cover assembly, which presents different states depending on the operating conditions. When the detection cover assembly is in a moving state, its lower opening expands, allowing for rapid replacement of the internal steam. When the detection cover assembly is in the detection area, it is in a closed state, effectively eliminating external interference. In addition to the conventional detection of steam in the steam outlet pipe by the temperature sensor, the detection cover assembly periodically covers part of the steam, forming a sealed space for the temperature sensor to perform sealed temperature measurement, effectively avoiding interference from steam-water mixing in the pipe. Simultaneously, when the temperature sensor probe passes through the wiping assembly, the wiping assembly wipes the temperature sensor probe, improving temperature measurement accuracy.

The invention relates to the technical field of biomedical sterilization, and discloses a biomedical engineering-based vertical pressure steam sterilizer, which comprises a sterilizer main body, a sterilization chamber is vertically arranged in the sterilizer main body, support arms are symmetrically and vertically arranged on the two sides of the sterilizer main body, a top seat is welded on the upper ends of the two groups of support arms, and the top seat is welded on the sterilization chamber. A lifting air cylinder is vertically installed in the middle of the upper end face of the top base, a lifting rod is movably arranged in the lifting air cylinder and penetrates through the top base downwards, and an outer cover base is welded to the lower end of the lifting rod. The corresponding pressed inclined blocks are extruded through the extrusion faces, the telescopic columns are caused to do inward linear motion, the oil plugs extrude sealing oil in the hydraulic oil cavities, the sealing oil is injected into the annular sealing oil bags through the oil pipes, and the multiple sets of hydraulic regulators evenly inject oil into the annular sealing oil bags from different positions; the contact acting force between the annular sealing oil bag and the inner wall of the sterilization chamber is enhanced, and the sealing performance of the container is obviously improved.

1. The name of this design product: Pre-vacuum pressure steam sterilizer. 2. Purpose of the product with this design: The product with this design is suitable for disinfection and sterilization equipment. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The present disclosure sets forth an automated peritoneal dialysis (“PD”) system, which enables the re-use of certain disposable components. The APD system includes a sterilization source, such as a steamer or a UV radiation light source that sterilizes a disposable filter. During therapy, the disposable filter is connected to a PD fluid line and to a patient's catheter. Post-therapy, the disposable filter is disconnected from the patient's catheter, but remains connected to the PD fluid line, and the disposable filter undergoes steam or UV radiation sterilization.

The present application relates to the technical field of steam sterilizers, and discloses a travel switch and a steam sterilizer. It includes a bracket; a first microswitch and a second microswitch; a trigger structure; and a moving structure connected to the trigger structure, the moving structure being liftable and installed on the bracket, the moving structure being used to contact the door body and drive the trigger structure to move; wherein the trigger structure includes a low stage for triggering the first microswitch, and a high stage for triggering the second microswitch, and the lowest end of the high stage is higher than the lowest end of the low stage. The travel switch of the present application can send different signals according to the stroke of the trigger structure, so that the travel switch can cooperate with the usage scenario and meet the different usage requirements of the equipment at different stroke positions. The present application also discloses a steam sterilizer.

The utility model discloses a steam sterilizer with a detachable inner container for cleaning, which comprises a base, the inner container and a heating element, and the base is provided with a placing groove with a top opening; the inner container is separably placed in the placing groove; a water storage cavity is formed in the inner container; the heating element is arranged in the containing groove or at the bottom of the inner container. When the heating element is arranged in the base containing groove and the inner container is placed in the containing groove, the heating element abuts against the bottom of the inner container to achieve heat transfer. When the heating element is arranged at the bottom of the inner container and the inner container is placed in the placing groove, the inner container is electrically connected with the base so as to supply power to the heating element. Therefore, the heating element is arranged in the placing groove of the base and is separated from the inner container, or the heating element is arranged at the bottom of the inner container and the inner container is detachably and electrically connected with the base, so that the inner container can be detachably arranged on the base, the inner container can be conveniently detached for cleaning, the cleaning is more thorough, and the practicability is high. Therefore, the problems of stain residue and the like are avoided.

The utility model discloses a horizontal pulsation vacuum sterilizer, and particularly relates to the technical field of steam sterilizers, the horizontal pulsation vacuum sterilizer comprises a support base and a sterilizer body arranged on the support base, and further comprises a placing plate, a wiping ring, a telescopic assembly and a moving assembly, the placing plate can deflect and can be moved out of the sterilizer body, the placing plate is arranged in the sterilizer body, and the wiping ring is arranged in the placing plate. The telescopic assembly is arranged on the periphery of the placing plate and is used for realizing the back-and-forth movement of the wiping ring along the length direction of the sterilizer body; when the inside of the sterilizer body is cleaned, the first connecting part and the second connecting part can be butted by utilizing the moving component, and then the connecting rod is driven to rotate by utilizing the second motor, so that the lead screw nut seat moves outside the lead screw, and the wiping ring moves back and forth; therefore, water drops or dust on the inner wall of the sterilizer body can be wiped, the cleaning requirement of the sterilizer can be quickly met, and a large amount of preparation time and labor cost can be saved.

The utility model discloses a steam generation device of a steam disinfection cabinet, which comprises a water tank main body, a plurality of heating pipes are arranged at the lower part in the water tank main body, and two ends of each heating pipe are fixed on the inner side walls of the lower parts of a left side plate and a right side plate of the water tank main body; a top plate of the water tank main body is communicated with a plurality of vertical pipes which vertically extend upwards, the top ends of the vertical pipes are fixedly provided with the same top connecting plate, a plurality of steam outlet through holes are formed in the top connecting plate, and each steam outlet through hole is communicated with the corresponding vertical pipe; the outer protective cover body is arranged outside all the vertical pipes, meanwhile, it is guaranteed that the temperature in the outer protective cover body rises, the outer space makes contact with the outer protective cover body, condensed water drops of external air cannot enter the outer protective cover body, the water drops are not likely to adhere to the internal vertical pipes, and the service life of the vertical pipes is guaranteed.

The invention relates to a vertical high-pressure steam sterilizer, and belongs to the technical field of medical sterilization equipment. The sterilizer adopts a vertical three-layer integrated structure and comprises a device chamber, a disinfection chamber and a heating chamber, a micro air pump array is arranged in the disinfection chamber to actively suck steam, condensate water is shaken off through a vibration mechanism, and rapid, uniform and efficient high-pressure steam sterilization is realized by combining ultraviolet laser pre-disinfection and inclined flow channel drainage and pollution discharge design; the device is suitable for medical instruments and laboratory utensils.

1. Name of the designed product: pressure steam sterilizer (simple type Foster N+). 2. Use of the designed product: used for disinfecting and sterilizing medical instruments, laboratory instruments and other articles. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

A medical apparatus comprising a chamber inside of which a fan is provided, and a motor-to- fan adapter assembly, wherein the motor-to-fan adapter assembly comprises a housing, a central rotatable shaft extending inside the housing, and a first sealing element. The central rotatable shaft comprises a proximal motor-receiving end portion, a distal fan-receiving end portion, and an intermediate elongated body portion. The first sealing element is configured to be provided around and in circumferential contact with the intermediate elongated body portion of the central rotatable shaft. A second sealing element is configured to be located proximally of the first sealing element, and is deformable in such manner that steam that leaks past the first sealing element in an assembled state of the adapter assembly in the medical apparatus, causes the second sealing element to increase its pressure against the central rotatable shaft. Also disclosed is a steam sterilizer motor-to-fan adapter assembly.

The application discloses a steam sterilizer with a steam recycling function, relates to the technical field of steam sterilization, and comprises a steam generator and a metal frame. The steam generator is connected with a booster assembly at an air outlet end. A filter screen four is fixedly connected to the bottom of the inner cavity of the metal frame. A rotating frame is rotatably installed on the outer side of the steam generator. A heat insulation box is rotatably installed on the outer side of the rotating frame. A flow splitting assembly is arranged between the heat insulation box and the booster assembly. After high-temperature sterilization of instruments in a high-temperature cavity, steam is split into two medium-temperature cavities. The steam with a temperature that cannot reach sterilization and disinfection effect preheats the sterilization and disinfection instruments entering the first medium-temperature cavity. After the sterilization and disinfection instruments are sterilized and disinfected by high-temperature steam in the high-temperature cavity, the sterilization and disinfection instruments enter the low-temperature cavity after a period of time in the second medium-temperature cavity. The steam after heat exchange is recycled, and the sterilization and disinfection instruments are prolonged in the temperature rising and falling cycle.

The application provides a time point selection method for a critical point of a sterilization period of a pressure steam sterilizer, and comprises the following steps: signal acquisition, intercepting an optimal data processing area for judging the sterilization period in an original signal to obtain a to-be-processed signal, performing smoothing processing on the to-be-processed signal to obtain temperature data after smoothing processing, determining training data and target data of a point selection method, signal fitting, and point selection. The time point selection method for the critical point of the sterilization period of the pressure steam sterilizer has the multiple advantages and beneficial effects of high automation degree, high precision, wide applicability, improved work efficiency, and reduced cost.

The utility model relates to the technical field of steam sterilization, and discloses a vertical pressure steam sterilizer which comprises a sterilizing box, the bottom of the sterilizing box is fixedly connected with a protective box, the inner wall of the bottom end of the protective box is fixedly connected with a motor, the driving end of the motor is fixedly connected with a rotating disc, an adjusting assembly is arranged outside the rotating disc, and the rotating disc is fixedly connected with the protective box. A connecting column is rotatably connected to the inner wall of the bottom end of the disinfection box, a rotating plate is fixedly connected to the exterior of the connecting column, a disinfection frame is fixedly connected to the top of the connecting column, and a mounting assembly is arranged in the disinfection frame. According to the utility model, the intermittent rotation of the disinfection frame enables materials placed on the disinfection frame to change positions continuously, and steam can be in uniform contact with each part of the materials, so that the sterilization effect is effectively improved, the sterilizer can adapt to articles to be sterilized with different numbers and different heights, and the universality and the practicability of the equipment are improved.

This utility model discloses a vertical pressure steam sterilizer, including a body and a filter box located on one side of the body. The filter box contains clean water, and a filter assembly is connected to the body. The filter assembly includes an S-shaped flow channel fixed inside the filter box. Addressing the problems of short gas-water surface contact time and insufficient particulate matter absorption in existing technologies, this novel vertical pressure steam sterilizer features a unique S-shaped flow channel structure. After sterilization, the steam discharged from the body enters the S-shaped flow channel inside the filter box through the inlet pipe. The steam meanders within the S-shaped flow channel, significantly increasing the contact path and time between the gas and the water surface. Simultaneously, the double-sloped blocks fixed to the top and side walls of the S-shaped flow channel allow larger particulate impurities in the steam more time to contact the water due to inertia and gradually settle into the water, thus increasing the absorption of particulate matter.

To provide a steam sterilizer capable of reducing a magnitude of sound generated when steam is exhausted from a high pressure chamber.SOLUTION: The steam sterilizer according to the present invention includes a chamber 10 capable of accommodating an object to be sterilized, a heater for heating a liquid, a liquid storage tank 20, a drain pipe, a first on-off valve 44, an exhaust pipe 42, a second on-off valve 45, a common pipe 43, and a control unit. The control unit is configured such that, after sterilizing the object to be sterilized, it opens the first on-off valve to start discharging the liquid through the drain pipe, and then opens the second on-off valve to start discharging gas through the exhaust pipe. The drain pipe has a first portion 411 connecting the chamber and the first on-off valve, and a second portion 412 connecting the first on-off valve and the common pipe, the second portion being formed longer than the shortest distance between the first on-off valve and the common pipe.SELECTED DRAWING: Figure 1

To provide a steam sterilizer capable of efficiently cooling a heater, after a sterilization treatment came to an end and a method thereof.SOLUTION: The steam sterilizer according to the present invention comprises a chamber for accommodating the objects to be sterilized, the chamber having a gas inlet and outlet, a heater for heating the liquid supplied into the chamber, a temperature sensor for detecting the temperature inside the chamber, an air supply mechanism for supplying gas into the chamber through the inlet, and a control unit for controlling the operation of the heater and the air supply device. The control unit operates the air supply mechanism and performs a ventilation process, in which gas is supplied into the chamber through the inlet and gas inside the chamber is discharged outside through the outlet, when the temperature detected by the temperature sensor is equal to or higher than a predetermined temperature before the heater is activated to heat the liquid.SELECTED DRAWING: Figure 14

A compressed air preheating device for a sealing door groove of a pulsating vacuum steam sterilizer comprises a compressed air preheating assembly used for preheating compressed air and a clamping sleeve arranged on the outer side of a sterilizing chamber of the pulsating vacuum steam sterilizer in a sleeving mode, and an opening facilitating insertion and installation of the pulsating vacuum steam sterilizer is formed in the clamping sleeve. A jacket chuck is mounted at the opening; the compressed air preheating assembly comprises a multi-circle spiral copper pipe used for compressed air circulation and a copper blind plate used for being matched with the jacket chuck, an inlet and an outlet of the multi-circle spiral copper pipe both penetrate through the copper blind plate and are fixedly installed on the copper blind plate, the inlet of the multi-circle spiral copper pipe is externally connected with a compressed air supply pipeline, and the outlet of the multi-circle spiral copper pipe is fixedly connected with the jacket chuck. And an outlet of the multi-circle spiral copper pipe is connected with an air inlet joint on a sealing door groove of the pulsation vacuum steam sterilizer through a connecting copper pipe. According to the utility model, stable high-temperature compressed air can be provided in the operation process of the sterilization equipment, so that the sterilization effect and the sterilization stability can be improved.

This application relates to the field of steam sterilizer technology, and discloses a sterilization control method for a steam sterilizer, comprising: acquiring the real-time temperature and pressure values ​​of the sterilization body; adjusting the pulse width modulation (PWM) duty cycle according to the target temperature control range and the target pressure control range, so that the adjusted real-time temperature value and the adjusted real-time pressure value are within the target temperature control range and the target pressure control range, respectively. This method can simultaneously regulate the temperature and pressure values ​​during the temperature-controlled sterilization stage of the steam sterilizer, improving the stability of the sterilization temperature and increasing the temperature control accuracy. This application also discloses a sterilization control device for a steam sterilizer, a steam sterilizer, and a storage medium.

The present invention is of a sterilizer system for providing a steam sterilization cycle and a vaporized hydrogen peroxide sterilization cycle. The sterilizer system features a sterilization chamber for sterilizing at least one item, a system for providing steam sterilization to the sterilization chamber and a system for providing vaporized hydrogen peroxide sterilization to the sterilization chamber. In addition, the present invention is of methods of sterilization of at least one item with a steam sterilization cycle or a vaporized hydrogen peroxide sterilization cycle using the sterilizer system of the present invention.

This invention discloses a pulsed vacuum steam sterilizer, comprising an inner chamber, several jackets arranged linearly around the outer periphery of the inner chamber, a liquid injection pipe for supplying liquid, several dispensing pipes, one end of which is connected to the injection pipe and the other end of which is connected to each of the jackets, and an electromagnetic induction coil wound around the injection pipe and each dispensing pipe. Each electromagnetic induction coil directly heats the liquid in each pipe via electromagnetic induction, avoiding excessive heat loss during liquid or steam transport and effectively improving heating efficiency. Furthermore, by directly placing the electromagnetic induction coils outside the pipes, this integrated design eliminates the need for a steam generator and avoids the need for excessively long pipes between the jackets and the steam generator to transport steam, simplifying the overall structure, effectively reducing space occupation, and resulting in a more compact overall structure.

An inverted flat plate device for a laboratory comprises a body with a cavity, an inner container arranged in the body and an opening and closing cover body arranged on the body, a small steam sterilizer is arranged in the body, and the small steam sterilizer sprays steam sterilization gas through a steam outlet; the inner container is connected with an outlet pipe used for outflow of a culture medium, the outlet pipe is provided with an intermittent feeding mechanism used for controlling intermittent outflow of the culture medium, the intermittent feeding mechanism comprises a ball valve and a driving motor, the ball valve is installed on the outlet pipe, and a valve rod of the ball valve is connected with the driving motor used for driving the ball valve to rotate. According to the utility model, the plate pouring process of the solid culture medium is simplified, the pollution in the plate pouring process is also reduced, the volume of the culture medium poured into each culture dish can be accurately controlled, and the uniformity of each solid plate is ensured.

The utility model discloses a vertical pressure steam sterilizer for traditional Chinese medicine detection, which comprises an inverted-T-shaped bottom table and conical sterilization tanks fixed on the outer walls of the two sides of the inverted-T-shaped bottom table, the two conical sterilization tanks are communicated with each other, and an air inlet valve and an external thread blanking cap are respectively mounted on the outer walls of the sides, far away from each other, of the two conical sterilization tanks; a discharging structure is mounted at the bottom end of the conical sterilization tank, a vertical shaft is rotationally mounted in the center of the interior of the conical sterilization tank, a shaft sleeve is fixed to one end of the surface of the vertical shaft, and spiral blades used for turning over traditional Chinese medicine materials upwards are fixed to the peripheral face of the shaft sleeve. According to the utility model, the conical sterilization tank, the air inlet valve, the vertical shaft, the spiral blade, the direct-drive motor and the gear transmission structure are used for jointly completing the sterilization work of traditional Chinese medicinal materials, steam enters the tank body through the air inlet valve to uniformly heat the medicinal materials, and the stirring of the vertical shaft and the spiral blade ensures that the medicinal materials are fully and uniformly sterilized in the tank.

The invention relates to the technical field of sterilization devices, in particular to a storage tank sterilization device for milk processing, which comprises a milk tank, a sealing cover for sealing the milk tank is fixed at the top of the milk tank, a base for supporting the milk tank is arranged at the bottom of the milk tank, and a hot steam sterilizer for sterilizing the inside of the milk tank is further arranged outside the milk tank. An adjusting mechanism for driving the milk tank to turn over is also arranged outside the milk tank; through cooperation of the adjusting mechanism, the tank opening wiping mechanism, the servo motor, the transmission rod, the disinfection block, the mounting plate, the adjusting disc and other mechanisms, the hot steam disinfector and the disinfection block are driven to perform ordered alternate operation, and the disinfection block is switched through alternate operation; the external surface of a tank opening, a threaded connection part, a sealing rubber ring attaching gap and other structural dead angles which cannot be touched by a traditional disinfection scheme can be accurately covered, and secondary microbial contamination of milk in a disinfected tank is completely eradicated from the source.

The utility model relates to the technical field of sterilization equipment, in particular to a vertical pressure steam sterilizer which comprises a box body, a feeding port and a water inlet are formed in the top of the box body, a water outlet is formed in the center of the bottom of the box body, external threads used for being in threaded connection with a box cover are arranged at the feeding port, and a first flange used for erecting a sterilization basket is arranged at the feeding port. The side, close to the interior of the box body, of the water inlet is connected with a water inlet pipe which is provided with a water inlet shut-off valve, and the side, away from the interior of the box body, of the water outlet is connected with a water outlet pipe which is provided with a water outlet shut-off valve. The heating mechanism comprises an induction coil and a heating element, the heating element is arranged at the position, close to the center of the bottom, in the box body, a thickening layer is arranged at the position, close to the bottom, of the inner wall of the box body, the induction coil is arranged in the thickening layer around the heating element, and a power supply port connected with the induction coil is formed in the box body. The method has the effect of reducing heat loss.

The present application relates to the technical field of disinfection device, particularly relates to a kind of storage tank disinfection device for milk processing, including milk tank, the top of milk tank is fixed with the sealing cover for sealing it, the bottom of milk tank is provided with the base for supporting it, the outside of milk tank is also provided with the hot steam sterilizer for disinfecting its inside, the outside of milk tank is also provided with the adjusting mechanism for driving it to overturn;The present application is cooperated by adjusting mechanism, tank mouth wiping mechanism, servo motor, transmission rod, disinfection block, mounting plate and adjusting disc and other mechanisms, drives hot steam sterilizer and disinfection block to carry out orderly rotation operation, by rotation switching to disinfection block, the structure dead angle that traditional disinfection scheme cannot reach, such as accurate covering tank mouth outer surface, thread joint, sealing rubber ring fitting gap, can prevent secondary microbial contamination of milk in disinfected tank from the source.

The utility model relates to the technical field of steam sterilizers, in particular to a cooling device suitable for a steam sterilizer. The electromagnetic valve is fixedly connected to an exhaust port of the steam sterilizer, an input port of the condenser is communicated with the electromagnetic valve, an inlet end of the cooling pipe is communicated with an output port of the condenser, the water storage tank is communicated with an outlet end of the cooling pipe, and the outlet end of the cooling pipe is arranged at the upper end of the water storage tank. And the outer side wall of the water storage tank is fixedly connected with a first drainage valve. According to the device, water vapor discharged by the steam sterilizer can be cooled, no steam is discharged in the whole process, and the damage of high-temperature discharged steam to the environment and personnel is avoided; the device can collect distilled water formed after water vapor is cooled, the distilled water is recycled, and water resources are saved; and the whole cooling process can effectively reduce the noise when the steam sterilizer exhausts air.