CN111121392A - Automatic air drying system and method for respiratory support equipment and respiratory support equipment - Google Patents
Automatic air drying system and method for respiratory support equipment and respiratory support equipment Download PDFInfo
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- CN111121392A CN111121392A CN201911411714.0A CN201911411714A CN111121392A CN 111121392 A CN111121392 A CN 111121392A CN 201911411714 A CN201911411714 A CN 201911411714A CN 111121392 A CN111121392 A CN 111121392A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
Abstract
The invention relates to an automatic air drying system and method for a respiratory support device and the respiratory support device. An automatic air drying system for a respiratory support device, comprising: the system comprises a controller, a turbine, a heating pipe, a heating driver, an ambient temperature sensor, a pipeline temperature sensor and a power supply; the air outlet of the turbine is communicated with the heating pipe through a pipeline, and the ambient temperature sensor is arranged at the air inlet of the turbine; the pipeline temperature sensor is arranged at the airflow output end of the heat-connecting pipe; the heating pipe is provided with a heating wire, and the heating wire is connected with the heating driver; the turbine, the environment temperature sensor, the pipeline temperature sensor and the heating driver are respectively connected with the controller; the power supply is respectively connected with the controller, the turbine and the heating driver. The invention can automatically heat and air-dry the external pipeline after the patient uses the external pipeline, thereby reducing the risk of bacterial breeding.
Description
Technical Field
The invention relates to the field of air drying of respiratory support equipment, in particular to an automatic air drying system and method of respiratory support equipment and the respiratory support equipment.
Background
The respiratory support technology is an important means for treating respiratory failure, and Nasal High-Flow oxygen humidification therapy (High-Flow oxygen therapy, High-Flow Nasal canula, HFNC) is a novel respiratory support technology, gas humidified by warming is transmitted through a Nasal High-Flow oxygen therapy instrument, the Flow is 30-60L/Min or more, the purposes of transmitting oxygen with stable concentration, flushing upper airway dead space and generating certain positive end-expiratory airway pressure are achieved, and meanwhile, the tolerance of a patient is good.
The current high-flow oxygen therapy instrument products are mainly medical products, and for some patients with lighter symptoms, hospitalization can generate high cost and occupy unnecessary medical resources, so that the household high-flow humidification oxygen therapy instrument is a direction and a trend of the market and can serve more and more household customers.
For the equipment of high-flow humidification oxygen therapy, especially when the equipment is used at low ambient temperature, the longer the equipment is used, when the equipment is not used, a certain amount of condensed water is remained in the external pipeline, and the warm and humid environment in the pipeline is easy to nourish a large amount of bacteria, which is a potential risk for the household breathing machine. And in next use, if the condensate water still exists, if the set flow is high, a large amount of ponding can be blown out, and certain risk is brought to the use of the patient.
Patent No. ZL 201821997882.3's patent document discloses an oxygen respirator air-dries equipment, including box, supporting leg and servo motor, the box upper end is equipped with servo motor, servo motor connects the master gear, and the master gear meshing is followed the gear, the master gear with from the gear outer be equipped with the protective housing, connect the axis of rotation from the gear lower extreme, axis of rotation fixed connection carries the thing board, and equipment operation, the fan that the bottom half installed forms the air current, forms high-speed column air current through heater, air guide hole, air-dries the respirator each part in the box. After purple light ozone fluorescent tube circular telegram, ozone and the ultraviolet light of production play disinfection's effect, and the humiture condition in temperature setting knob and humiture display can the monitoring box constantly carries the thing board and rotates, and oxygen breathing equipment rotates along with carrying the thing board, has increased the inside circulation of air speed of box, improves air-dry efficiency, but need increase independent equipment, and the cost is higher.
Different from the medical nasal high-flow equipment, the nasal high-flow oxygen therapy instrument uses a disposable external pipeline, and the household high-flow humidifying oxygen therapy instrument uses a repetitive heating pipeline and a nasal oxygen tube. To the high flow humidification oxygen therapy apparatus equipment in the existing market, thereby reducing bacterial growing risk and use risk by heating and air-drying the external pipeline after using rarely.
Therefore, after the medical high-flow humidification oxygen therapy instrument is used, residual condensed water in the external pipeline is dried as soon as possible, and for the household high-flow humidification oxygen therapy instrument, the risk of breeding bacteria in a breathing pipeline and water choking of a patient can be reduced, so that the patient can be healthier and safer to use.
Therefore, the air drying technology after use in the existing respiratory support equipment has shortcomings, and needs to be improved and improved.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an automatic air drying system and method for a respiratory support device and the respiratory support device, which can automatically heat and dry an external pipeline after a patient uses the respiratory support device every time according to the set temperature, flow and the use time of the patient in the use process, and can automatically adjust the air drying time, thereby ensuring the drying of the external pipeline and reducing the risk of bacterial breeding and the use of the patient.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic air drying system for a respiratory support device, comprising: the system comprises a controller, a turbine, a heating pipe, a heating driver, an ambient temperature sensor, a pipeline temperature sensor and a power supply; the air outlet of the turbine is communicated with the heating pipe through a pipeline, and the ambient temperature sensor is arranged at the air inlet of the turbine; the pipeline temperature sensor is arranged at the airflow output end of the heat-connecting pipe; the heating pipe is provided with a heating wire, and the heating wire is connected with the heating driver; the turbine, the environment temperature sensor, the pipeline temperature sensor and the heating driver are respectively connected with the controller; the power supply is respectively connected with the controller, the turbine and the heating driver.
Preferably, the automatic air drying system of the respiratory support device, and the heating driver is a PWM driving device.
An automatic air-drying method for a respiratory support device using the automatic air-drying system for a respiratory support device, comprising the steps of:
s1, detecting a current environment temperature value by the environment temperature sensor, detecting a pipeline temperature value at the tail end of the heating pipe by the pipeline temperature sensor, and respectively receiving the environment temperature value and the pipeline temperature value by the controller; the controller acquires the treatment time, the set temperature value and the set flow value used by the equipment at this time;
s2, the processor matches the environment temperature value, the set flow value, the set temperature value and the treatment time in an air drying time table to obtain air drying time;
and S3, the controller controls the turbine to output airflow at a preset flow rate, and controls the heating driver to drive the heating wire at a preset power to heat and air-dry the heating pipe.
Preferably, in the automatic air drying method for a respiratory support apparatus, the step S2 specifically includes:
s21, the controller judges whether the treatment time is less than a first preset time, if so, the air drying time is zero; if not, go to step S22;
s22, the controller judges whether the treatment time is less than a second preset time, if yes, the air drying time is obtained by matching in the air drying time table according to the second preset time; and if not, the air drying time is obtained by fitting the air drying time table through the controller.
Preferably, the automatic air drying method for the respiratory support equipment includes the following steps:
s221, in the air-drying time matching table, the controller matches an air-drying time sub-table according to the environment temperature value, the set flow value and the set temperature value; the sub-table comprises a plurality of treatment times and corresponding optimal air drying times;
s222, the controller performs curve fitting on the air drying time sub-table to obtain a two-dimensional fitting curve;
and S223, the controller matches the treatment time in the two-dimensional fitting curve to obtain the air drying time.
Preferably, the first preset time is 10 Min; the second predetermined time is 60 Min.
Preferably, the automatic air drying method for a respiratory support apparatus, in step S3, further includes:
s31, the pipeline temperature sensor detects the pipeline temperature value in real time and transmits the pipeline temperature value to the controller;
s32, the controller judges whether the pipeline temperature value is larger than a temperature threshold value, if so, the heating driver is controlled to drive the heating wire to heat the heating pipe at constant temperature power; if not, controlling the heating driver to drive the heating wire to heat the heating pipe at a preset power.
Preferably, before the step S1, the method for automatically drying in the air by using the respiratory support apparatus further includes:
and S0, after the controller receives the device operation stopping instruction, controlling other devices of the respiratory support device to stop working.
Preferably, the automatic air drying method of the respiratory support equipment comprises the step of presetting the flow rate to be 90L/Min.
A respiratory support device comprises the automatic air drying system of the respiratory support device.
Compared with the prior art, the automatic air drying system and method for the respiratory support equipment and the respiratory support equipment provided by the invention have the advantages that the external pipeline is automatically heated and dried after a patient uses the system, and the air drying time is automatically adjusted according to the flow, the temperature and the use time set in the use process of the patient, so that the drying of the external pipeline is ensured, the risk of bacterial breeding is reduced, meanwhile, the patient is prevented from being choked by blown condensed water in the next use, and the patient can use the system safely and healthily.
Drawings
FIG. 1 is a block diagram of an automatic air drying system according to the present invention;
FIG. 2 is a flow chart of an automatic seasoning method provided by the present invention;
FIG. 3 is a two-dimensional fitting graph in example 1 provided by the present invention;
FIG. 4 is another two-dimensional fit curve provided in example 1 of the present invention.
PWM (Pulse width modulation)
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The invention provides an automatic air drying system of a respiratory support device, which comprises: the system comprises a controller 1, a turbine 2, a heating pipe 3, a heating driver 4, an ambient temperature sensor 5, a pipeline temperature sensor 6 and a power supply 7; the air outlet of the turbine 2 is communicated with the heating pipe 3 through a pipeline, and the ambient temperature sensor 5 is arranged at the air inlet of the turbine 2; the pipeline temperature sensor 6 is arranged at the airflow output end of the heat-connecting pipe; the heating pipe 3 is provided with a heating wire, and the heating wire is connected with the heating driver 4; the turbine 2, the ambient temperature sensor 5, the pipeline temperature sensor 6 and the heating driver 4 are respectively connected with the controller 1; the power supply 7 is connected to the controller 1, the turbine 2, and the heating driver 4, respectively. Specifically, the controller 1 may be a processor (MCU (micro controller Unit) or a CPU (central processing Unit)) commonly used in the art, the present invention is not particularly limited, and the preferred processor chip is an MCU of the lima corporation with a model number of LPC 1788; the turbine 2 is a turbine 2 commonly used in the field of respiratory support equipment, and can output required airflow according to the instruction of the controller 1 without specific limitation; the heating pipe 3 is a heating pipe 3 commonly used in the field of respiratory support equipment, the invention is not particularly limited, the heating pipe is generally made of metal or heat-resistant plastic into a pipe shape, and the heating wire is wound on the heating pipe 3; the heating driver 4 is a driving device commonly used in the art, and can control the heating wire to operate at a certain heating power according to an instruction of the controller 1 without specific limitation, and the preferred scheme is an MCU chip + triode component, the on-off control operation power of the triode is controlled by the MCU chip, the MCU chip is a common MCU chip, and the triode is a common triode without specific limitation; the environment temperature sensor 5 and the pipeline temperature sensor 6 are commonly used sensors in the field of temperature measurement, the invention is not limited, and the preferable measurement precision is more than 0.1 ℃, wherein the position where the environment temperature sensor 5 is arranged is not limited in this embodiment, and the position where the environment temperature value can be obtained is only required; the power supply is a common power supply in the field of respiratory support equipment, and the power supply is not limited in the invention, and preferably is normal household power.
Correspondingly, the invention also provides an automatic air drying method of the respiratory support equipment, which uses the automatic air drying system of the respiratory support equipment, and comprises the following steps:
s1, the ambient temperature sensor 5 detects a current ambient temperature value, the pipeline temperature sensor 6 detects a pipeline temperature value at the end of the heating pipe 3, and the controller 1 receives the ambient temperature value and the pipeline temperature value respectively; the controller 1 acquires the treatment time, the set temperature value and the set flow value used by the equipment at this time;
s2, the processor matches the environment temperature value, the set flow value, the set temperature value and the treatment time in an air drying time table to obtain air drying time; the invention mainly aims to prevent condensed water from depositing in a pipeline for a long time and breeding bacteria, and the formation of the condensed water has a larger relation with the ambient temperature, the air flow velocity when the equipment works, the required temperature and the use duration of the equipment, so that the air drying time table is respectively configured with different air drying times on the basis of the ambient temperature value, the set flow value, the set temperature value and the treatment time; the air drying time table is established by fitting to determine an optimal data set according to data obtained after multiple tests are carried out on different equipment;
s3, the controller 1 controls the turbine 2 to output airflow at a preset flow rate, and controls the heating driver 4 to drive the heating wire at a preset power to heat and air-dry the heating pipe 3.
Specifically, the actual measurement proves that more condensed water can be generated when the flow setting value of the household respiratory support equipment, such as a high-flow humidification oxygen therapy instrument, is small, such as 10-20L/Min, or the ambient temperature is low, such as 10-20 ℃. At a low set temperature of 31-34 ℃, there will also be more condensate than at the same set flow and ambient temperature at a higher set temperature. And when the ambient temperature, the set temperature and the flow are fixed, the longer the machine is used, the more condensate water is generated. Therefore, in the system and the method provided by the invention, the air drying time is matched by using the air drying time table, and the air drying time and the actual effect can be accurately controlled.
Preferably, in this embodiment, the step S2 specifically includes:
s21, the controller 1 judges whether the treatment time is less than a first preset time, if so, the air drying time is zero; if not, go to step S22; it should be noted that the first predetermined time is a lower time value, that is, the first predetermined time is shorter, since the humidification time is shorter, air drying is not required, the first predetermined time is set according to actual conditions, or determined according to the preheating time of different equipment, and the preferred first predetermined time is 10 Min;
s22, the controller 1 judges whether the treatment time is less than a second preset time, if yes, the air drying time is obtained by matching in the air drying time table according to the second preset time; if not, the air drying time is obtained by fitting the air drying time table through the controller 1. The setting of the second predetermined time is also specifically determined according to the use conditions of different devices and sites, and this embodiment is not limited, and the preferred first predetermined time is 60 Min.
As a preferable scheme, in this embodiment, the fitting operation includes the steps of:
s221, in the air-drying time matching table, the controller 1 matches an air-drying time sub-table according to the environment temperature value, the set flow value and the set temperature value; the sub-table comprises a plurality of treatment times and corresponding optimal air drying times;
s222, the controller 1 performs curve fitting on the air drying time sub-table to obtain a two-dimensional fitting curve;
and S223, the controller 1 matches the treatment time in the two-dimensional fitting curve to obtain the air drying time.
Specifically, the main purpose of the two-dimensional fitting curve is to control the air-drying time more accurately, and of course, the air-drying time is determined on the two-dimensional fitting curve only when the treatment time is longer than the second predetermined time. For example, the respiratory support apparatus is a high-flow humidification oxygen therapy apparatus, model number is OH-70C, and the air drying time table is as follows under the conditions that the ambient temperature is 18-24 ℃, the set flow is 10-60L/Min (5L/Min), and the treatment time is 60Min, 120Min, 180Min and 240Min respectively:
FIGS. 3 and 4 are two-dimensional fitting curves for the cases where the set flow rate is 10-20L/Min, the set temperature is 31-34 deg.C, 35-37 deg.C, and the treatment time is 60Min, 120Min, 180Min, and 240Min, respectively.
In fig. 3, the specific curve calculation formula is: y is 0.0003x2-0.0192x +14.75, R2 ═ 0.9967; in fig. 4, the specific curve calculation formula is: y is 0.0003x2-0.0167x + 12; r2 ═ 1. Wherein, R2 is an index of the fitting degree of the trend line, and the closer to 1, the higher the fitting degree and the higher the accuracy.
Preferably, in this embodiment, the first predetermined time is 10 Min; the second predetermined time is 60 Min.
Preferably, in this embodiment, the heating driver 4 is a PWM driving device. The heating tube 3 can be controlled to heat at a certain operating power according to the instructions of the controller 1, the operating power is determined by the type of percentage, for example, 90%, which means 90% of the rated power, and the PWM drive is implemented using an on-off ratio, wherein 100% on per unit time is the rated power and 50% on per unit time is the rated power.
Preferably, in this embodiment, the step S3 further includes:
s31, the pipeline temperature sensor 6 detects the pipeline temperature value in real time and transmits the pipeline temperature value to the controller 1;
s32, the controller 1 judges whether the pipeline temperature value is larger than a temperature threshold value, if so, the heating driver 4 is controlled to drive the heating wire to heat the heating pipe 3 with constant temperature power; if not, controlling the heating driver 4 to drive the heating wire to heat the heating pipe 3 at a preset power. The temperature threshold is set to prevent damage to the heating pipe 3 caused by overheating and loss, so that the temperature of the temperature threshold can be used; the temperature threshold is set based on the actual situation without limitation, and the preferred temperature threshold is 50 ℃.
Preferably, in this embodiment, before the step S1, the method further includes:
and S0, after the controller 1 receives the device operation stopping instruction, controlling other devices of the respiratory support device to stop working. Therefore, external interference can be effectively reduced, for example, common breathing support equipment is provided with a humidifying water box, the humidifying water box is provided with a heating plate for humidifying, and the heating plate stops working at the moment to ensure the normal work of the automatic air drying system.
Preferably, in this embodiment, the predetermined flow rate is 90L/Min.
Example 2
The invention also provides a respiratory support device, comprising an automatic air drying system of the respiratory support device.
The respiratory support equipment is preferably a high-flow humidified oxygen therapy instrument and mainly comprises a main body of the high-flow humidified oxygen therapy instrument, a water box, a heating plate and external pipelines, wherein the turbine 2 belongs to the main body part, the water box and the heating plate form the main body structure of the humidifier, and the external pipelines mainly refer to heating pipelines, nasal oxygen tubes and the like used when a user uses the household humidified oxygen therapy instrument. A temperature sensor is arranged at the air inlet and used for detecting the current ambient temperature. Air and oxygen are mixed and enter the water box after passing through the turbine 2, the heating plate is continuously heated to take away a part of water vapor, and then the water vapor is heated and insulated by the heating pipeline and then supplied to a patient. The air drying function is mainly to heat and air dry the external pipeline part after the treatment is finished, and keep the pipeline dry.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (10)
1. An automatic air-drying system of a respiratory support device, comprising: the system comprises a controller, a turbine, a heating pipe, a heating driver, an ambient temperature sensor, a pipeline temperature sensor and a power supply; the air outlet of the turbine is communicated with the heating pipe through a pipeline, and the ambient temperature sensor is arranged at the air inlet of the turbine; the pipeline temperature sensor is arranged at the airflow output end of the heat-connecting pipe; the heating pipe is provided with a heating wire, and the heating wire is connected with the heating driver; the turbine, the environment temperature sensor, the pipeline temperature sensor and the heating driver are respectively connected with the controller; the power supply is respectively connected with the controller, the turbine and the heating driver.
2. The respiratory support apparatus automatic air drying system of claim 1, wherein the heating driver is a PWM drive.
3. A respiratory support apparatus automatic seasoning method using the respiratory support apparatus automatic seasoning system of claim 1 or 2, comprising the steps of:
s1, detecting a current environment temperature value by the environment temperature sensor, detecting a pipeline temperature value at the tail end of the heating pipe by the pipeline temperature sensor, and respectively receiving the environment temperature value and the pipeline temperature value by the controller; the controller acquires the treatment time, the set temperature value and the set flow value used by the equipment at this time;
s2, the processor matches the environment temperature value, the set flow value, the set temperature value and the treatment time in an air drying time table to obtain air drying time;
and S3, the controller controls the turbine to output airflow at a preset flow rate, and controls the heating driver to drive the heating wire at a preset power to heat and air-dry the heating pipe.
4. The automatic air drying method for the respiratory support equipment according to claim 3, wherein the step S2 specifically comprises:
s21, the controller judges whether the treatment time is less than a first preset time, if so, the air drying time is zero; if not, go to step S22;
s22, the controller judges whether the treatment time is less than a second preset time, if yes, the air drying time is obtained by matching in the air drying time table according to the second preset time; and if not, the air drying time is obtained by fitting the air drying time table through the controller.
5. The method of automatic air drying of respiratory support apparatus according to claim 4, wherein the fitting operation comprises the steps of:
s221, in the air-drying time matching table, the controller matches an air-drying time sub-table according to the environment temperature value, the set flow value and the set temperature value; the sub-table comprises a plurality of treatment times and corresponding optimal air drying times;
s222, the controller performs curve fitting on the air drying time sub-table to obtain a two-dimensional fitting curve;
and S223, the controller matches the treatment time in the two-dimensional fitting curve to obtain the air drying time.
6. The method of automatic air drying of respiratory support apparatus according to claim 4, wherein the first predetermined time is 10 Min; the second predetermined time is 60 Min.
7. The automatic air drying method for a respiratory support apparatus according to claim 3, wherein the step S3 further comprises:
s31, the pipeline temperature sensor detects the pipeline temperature value in real time and transmits the pipeline temperature value to the controller;
s32, the controller judges whether the pipeline temperature value is larger than a temperature threshold value, if so, the heating driver is controlled to drive the heating wire to heat the heating pipe at constant temperature power; if not, controlling the heating driver to drive the heating wire to heat the heating pipe at a preset power.
8. The automatic seasoning method of respiratory support equipment according to claim 3, further comprising, before the step S1:
and S0, after the controller receives the device operation stopping instruction, controlling other devices of the respiratory support device to stop working.
9. The method of claim 3, wherein the predetermined flow rate is 90L/Min.
10. A respiratory support apparatus comprising the respiratory support apparatus automatic air drying system of claim 1 or 2.
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| CN201911411714.0A CN111121392B (en) | 2019-12-31 | 2019-12-31 | Automatic air drying system and method for respiratory support equipment and respiratory support equipment |
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| CN201911411714.0A CN111121392B (en) | 2019-12-31 | 2019-12-31 | Automatic air drying system and method for respiratory support equipment and respiratory support equipment |
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| CN113606891A (en) * | 2021-08-19 | 2021-11-05 | 安徽源光电器有限公司 | Drying system is used in capacitor fitting production |
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| WO2021135480A1 (en) * | 2019-12-31 | 2021-07-08 | 湖南明康中锦医疗科技发展有限公司 | Respiratory support device heating tube temperature control system and method, and respiratory support device |
| CN113606891A (en) * | 2021-08-19 | 2021-11-05 | 安徽源光电器有限公司 | Drying system is used in capacitor fitting production |
| CN113606891B (en) * | 2021-08-19 | 2022-07-12 | 安徽源光电器有限公司 | Drying system is used in capacitor fitting production |
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| CN111121392B (en) | 2021-10-01 |
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Address after: 410205 Room 101, 1st floor, north of superstar entrepreneurship base, No. 8 Lujing Road, high tech Development Zone, Changsha, Hunan Patentee after: Hunan Mingkang Zhongjin Medical Technology Co.,Ltd. Address before: 410205 Room 101, 1st floor, north of superstar entrepreneurship base, No. 8 Lujing Road, high tech Development Zone, Changsha, Hunan Patentee before: HUNAN MICOME ZHONGJIN MEDICAL SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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