CN209187820U - A kind of ventilator and its humidifying heating device - Google Patents
A kind of ventilator and its humidifying heating device Download PDFInfo
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- CN209187820U CN209187820U CN201821872523.5U CN201821872523U CN209187820U CN 209187820 U CN209187820 U CN 209187820U CN 201821872523 U CN201821872523 U CN 201821872523U CN 209187820 U CN209187820 U CN 209187820U
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Abstract
This application discloses a kind of ventilator and its humidifying heating device, which is applied to the humidification machine of ventilator, specifically includes controller, low-voltage dc power supply, electronic switch and heating module.Controller is provided with temperature signal input and control signal output, and control signal output is connected with electronic switch, is used for output switch control signal；Electronic switch is also connected with low-voltage dc power supply, heating module respectively, for according to being electrically connected between switch control signal on or off low-voltage dc power supply and heating module；Heating module is also connected with temperature signal input, detects the temperature in humidification machine in water tank, and the temperature signal for reflecting temperature is output to controller.The considerations of joined water temperature in water tank due to the control to heating module, can be more balanced to the heating of water, so as to solve the problems, such as that temperature error is larger in existing humidification machine, temperature stability is bad.
Description
Technical field
This application involves the field of medical instrument technology, more specifically to a kind of ventilator and its humidifying heating device.
Background technique
With advances in technology with clinical medical development, using respirator treatment adult obstructive sleep apnea
Through becoming a kind of effective treatment means.Humidification machine is an operational module of ventilator, and water supply heating makes ventilator pipe
Road air themperature is suitble to human body temperature, while can also increase the air humidity in pipeline, to improve treatment comfort.
Traditional humidification machine only has simple heating element, although can reach humidifying effect exist temperature error it is big,
The bad disadvantage of temperature stability.In addition, there is also the Water in Water Tanks of humidification machine dryout rear temperature elevation amplitude it is larger or continue
It increases, leads to excess temperature phenomenon, thus the serious safety that will affect user.
Utility model content
In view of this, the application provides a kind of ventilator and its humidifying heating device, in the humidification machine to ventilator
Water carry out balanced heating, to solve the problems, such as that temperature error is larger in existing humidification machine, temperature stability is bad.
To achieve the goals above, it is proposed that scheme it is as follows:
A kind of humidifying heating device, applied to the humidification machine of ventilator, the humidifying heating device includes controller, low pressure
DC power supply, electronic switch and heating module, in which:
The controller is provided with temperature signal input and control signal output, the control signal output and institute
It states electronic switch to be connected, is used for output switch control signal；
The electronic switch is also connected with the low-voltage dc power supply, the heating module respectively, for according to
Being electrically connected between low-voltage dc power supply described in switch control signal on or off and the heating module；
The heating module is arranged in a packaging body, is also connected with the temperature signal input, described in detection
The temperature of water tank in humidification machine, and the temperature signal for reflecting the temperature is output to the controller.
Optionally, the heating module includes thermistor, fuse and heating wire, in which:
The thermistor is connected with the temperature signal input；
The heating wire is connected with the electronic switch by the fuse.
Optionally, the thermistor includes the first thermistor and the second thermistor, the temperature signal input
Including the first temperature signal input and second temperature signal input part, in which:
First thermistor is connected with first temperature signal input, is used for first temperature signal
Input terminal inputs the first temperature signal；
Second thermistor is connected with the second temperature signal input part, is used for the second temperature signal
Input terminal inputs second temperature signal.
Optionally, the electronic switch includes field-effect tube.
Optionally, required power one when the maximum temperature grade of the rated power of the heating module and the humidification machine
It causes.
Optionally, the controller is PID controller.
It optionally, further include human-computer interaction button, in which:
The human-computer interaction button is connected with the controller, for exporting depending on the user's operation to the controller
Power control instruction.
A kind of ventilator, including humidification machine, the humidification machine are provided with humidifying heating device as described above.
It can be seen from the above technical scheme that this application discloses a kind of humidifying heating device and ventilator, the humidifying
Heating device is applied to the humidification machine of ventilator, specifically includes controller, low-voltage dc power supply, electronic switch and heating module.
Controller is provided with temperature signal input and control signal output, and control signal output is connected with electronic switch, uses
In output switch control signal；Electronic switch is also connected with low-voltage dc power supply, heating module respectively, for being controlled according to switch
Being electrically connected between signal conduction processed or shutdown low-voltage dc power supply and heating module；Heating module also with temperature signal input
It is connected, detects the temperature of water tank in humidification machine, and the temperature signal for reflecting temperature is output to controller.Due to heated mould
The considerations of control of block joined water temperature in water tank, therefore can be more balanced to the heating of water, it is existing wet so as to solve
Change the problem that temperature error is larger, temperature stability is bad in device.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural block diagram of humidifying heating device provided by the embodiments of the present application；
Fig. 2 is the structural block diagram of another humidifying heating device provided by the embodiments of the present application；
Fig. 3 is the structural block diagram of another humidifying heating device provided by the embodiments of the present application；
Fig. 4 is a kind of temperature control curve provided by the embodiments of the present application；
Fig. 5 a is another temperature control curve provided by the embodiments of the present application；
Fig. 5 b is another temperature control curve provided by the embodiments of the present application；
Fig. 5 c is another temperature control curve provided by the embodiments of the present application；
Fig. 6 is the structural block diagram of another humidifying heating device provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
Embodiment one
Fig. 1 is a kind of structural block diagram of humidifying heating device provided by the embodiments of the present application.
As shown in Figure 1, humidifying heating device provided in this embodiment is applied to the humidification machine of ventilator, which is used for
Humidification heating is carried out to the air in the pipeline of ventilator, avoids being subcooled because of air or overdrying is to bad caused by the respiratory tract of user
It is secondary.The humidifying heating device specifically includes controller 10, low-voltage dc power supply 20, electronic switch 30 and heating module 40.
The controller is provided with temperature signal input 11 and control signal output 12, temperature signal input and heating
Module is connected, and control signal output is connected with electronic switch, electronic switch also respectively with the electric energy of low-voltage dc power supply
Output end, heating module are connected.
When specific works, heating module is located at the outside of the water tank of humidification machine, for heating to the water in water tank.Tool
For body, which can also be detected water temperature using its temperature-sensing element, and the temperature signal for reflecting water temperature is defeated
The temperature signal input of controller is arrived out.
Controller can determine in water tank after receiving temperature signal by temperature signal input according to temperature signal
Water temperature, according to the water temperature and by control signal output to electronic switch output switch control signal.Switch control letter
It number include conductivity control signal and shutdown control signal, specifically when water temperature is lower than preset temperature threshold lower limit to electronics
Switch output conductivity control signal is that shutdown control signal is exported to electronic switch when water temperature is higher than the temperature threshold upper limit.
Electronic switch is connected with the heating element of low-voltage dc power supply, heating module respectively, for receiving conducting
Being electrically connected for low-voltage dc power supply and heating element is connected when controlling signal, such heating module can add the water in water tank
Heat；Shutdown low-voltage dc power supply and heating element is electrically connected after electronic switch receives shutdown control signal.To pass through
Conducting and the mode of shutdown electronic component control the water temperature of the water in humidification machine inner water tank in the temperature threshold upper limit and temperature threshold
It is worth between lower limit.
Field-effect tube, the control signal output phase of the grid and controller of this respective tube specifically can be selected in electronic switch
Connection, source electrode are connected with low-voltage dc power supply, and drain electrode is connected with the heating element of heating module.
It can be seen from the above technical proposal that present embodiments providing a kind of humidifying heating device, which is applied to exhale
The humidification machine of suction machine specifically includes controller, low-voltage dc power supply, electronic switch and heating module.Controller is provided with temperature
Signal input part and control signal output, control signal output are connected with electronic switch, for exporting switch control letter
Number；Electronic switch is also connected with low-voltage dc power supply, heating module respectively, for according to switch control signal on or off
Being electrically connected between low-voltage dc power supply and heating module；Heating module is also connected with temperature signal input, detects humidifying
In device in water tank water temperature, and the temperature signal for reflecting temperature is output to controller.Since the control to heating module adds
The considerations of having entered water temperature in water tank, therefore can be more balanced to the heating of water, so as to solve temperature in existing humidification machine
The problem that error is larger, temperature stability is bad.
Temperature-sensing element in heating module is thermistor 41, as shown in Fig. 2, thermistor is for detecting water temperature, and with
The temperature signal input of controller is connected, and the water temperature signal for reflecting the water temperature is output to controller.Controller is then right
The water temperature that water temperature signal is reflected is compared with water temperature upper threshold and water temperature bottom threshold, and is opened according to comparison result output
Close control signal.
Heating element in heating module is heating wire 42, as shown in Fig. 2, in electronic switch by heating wire and low-voltage direct
Heating wire heats water when power supply is connected to.Fuse 43 is additionally provided between heating wire and electronic switch, such as Fig. 2 institute
Show, for it is excessive in electric current be fusing to be protected to ventilator.
Above-mentioned thermistor, heating wire and fuse are encapsulated in a packaging body, which is to utilize waterproof
Thermistor, heating wire and fuse are cast in a monomer and realize by resin, and the outside of water tank is arranged in, and are close to water tank
Setting.
In addition, the thermistor includes two elements, respectively the first thermistor 411 and the second thermistor 412, such as
Shown in Fig. 3, the temperature signal input on corresponding controller respectively includes the first temperature signal input 111 and second temperature
Signal input part 112, two input terminals are respectively used to receive the first temperature signal and second temperature of two thermistor output
Signal, control is by detecting whether the two temperature signals unanimously can determine whether heating module breaks down.
In addition, to be in temperature corresponding when maximum temperature grade consistent for the rated power of heating module and humidification machine.
As shown in figure 4, when humidification machine work is in maximum temperature grade, the temperature curve T1 institute of normal warming humidification temperature curve
Show, when irregular working (humidification machine is anhydrous or water dryouies), heating temperature is as shown in temperature curve T0.Temperature curve T1 be by
When humidification machine works in maximum temperature grade caused by the conservation of energy, temperature curve T0 is the working result due to the utility model
It is caused.All it is the thermal tracking of the utility model design shown in temperature curve T0 and temperature curve T1, has reached and be rapidly heated,
Then stable in set temperature, have the function of overheat protector and dry combustion method protection, no matter namely there is the normal warming humidification of water to make
Will not all ventilator humidifier and the person be damaged without discovery, anhydrous dry combustion method in time by being dryouied with, water.
In addition, PID controller can be used in the controller of the application, carried out by the control strategy of ratio, integral and differential
Work.
As shown in Figure 5 a, under same nominal power, it can be seen that being added using PID control from temperature variation curve T2
Reaching the time used in set temperature T when hot is t1, it can be seen that being added using the control of bound threshold value from temperature variation curve T3
Reaching the time used in set temperature T when hot is t2, t1 > t2, as shown in Figure 5 b.In use, the time smaller means to reach
The time waited to set humidifying effect is shorter, and usage experience is more comfortable, uses the control of bound threshold value from this point of view
System heating using PID control than being heated, but after reaching desired temperature, temperature needs to stablize constant, is examined from this angle
Consider using PID control heating than being heated using the control of bound threshold value.
The utility model can heat stage by stage, open the heat temperature raising stage using the control heating of bound threshold value, approach
PID control is used when set temperature T, convergence process is completed by rated power heating temperature rise inertia, naturally goes to PID calculation
Method control avoids overshoot from temperature short time excessively high unfavorable phenomenon, after reaching set temperature value T, the stability of PID control occur
It fully demonstrates out.As shown in temperature curve T4 in Fig. 5 c, starting is heated to expire rated power heating close to the stage of setting value,
Fast lifting temperature is transitioned into pid algorithm control naturally later and goes to carry out temperature maintenance, avoids using bound threshold value control
It is reached when system heating after setting value such as temperature curve T3, temperature is around setting value significantly vibrating type variation up and down, one when use
It is straight that significantly concussion variation all adversely affects life of product and humidification effect for a long time.The utility model solves well
It has determined above-mentioned problem.
Embodiment two
Fig. 6 is the structural block diagram of another humidifying heating device provided by the embodiments of the present application.
As shown in fig. 6, humidifying heating device provided in this embodiment be additionally arranged on the basis of a upper embodiment it is man-machine
Interactive button 50.The man-machine interactive button is connected with controller, under the operation of user to controller output power control
System instruction.
Specifically, the power control instruction is for temperature threshold preset in adjusting controller, it can adjustment temperature
Upper threshold and temperature threshold lower limit.Family control humidification machine can be used by adjusting the temperature threshold and export what it was comfortable on
Air.
Embodiment three
A kind of ventilator is present embodiments provided, which is provided with humidification machine, and humidification machine is provided with two realities
Apply humidifying heating device provided by any embodiment in example.The device humidifying heating device specifically includes controller, low-pressure direct
Galvanic electricity source, electronic switch and heating module.Controller is provided with temperature signal input and control signal output, controls signal
Output end is connected with electronic switch, is used for output switch control signal；Electronic switch also respectively with low-voltage dc power supply, heating
Module is connected, for according to being electrically connected between switch control signal on or off low-voltage dc power supply and heating module；
Heating module is also connected with temperature signal input, detects the temperature of Water in Water Tanks in humidification machine, and the temperature that will reflect temperature
Degree signal is output to controller.The considerations of water temperature in water tank joined due to the control to heating module, the heating to water
Can be more balanced, so as to solve the problems, such as that temperature error is larger in existing humidification machine, temperature stability is bad.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
Although preferred embodiments of the embodiments of the present application have been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and all change and modification within the scope of the embodiments of the present application.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Technical solution provided herein is described in detail above, specific case used herein is to this Shen
Principle and embodiment please is expounded, the present processes that the above embodiments are only used to help understand and its
Core concept；At the same time, for those skilled in the art, according to the thought of the application, in specific embodiment and application
There will be changes in range, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (8)
1. a kind of humidifying heating device, the humidification machine applied to ventilator, which is characterized in that the humidifying heating device includes control
Device, low-voltage dc power supply, electronic switch and heating module processed, in which:
The controller is provided with temperature signal input and control signal output, the control signal output and the electricity
Sub switch is connected, and is used for output switch control signal；
The electronic switch is also connected with the low-voltage dc power supply, the heating module respectively, for according to the switch
Control signal conduction turns off being electrically connected between the low-voltage dc power supply and the heating module；
The heating module is arranged in a packaging body, is also connected with the temperature signal input, detects the humidifying
The temperature of water tank in device, and the temperature signal for reflecting the temperature is output to the controller.
2. humidifying heating device as described in claim 1, which is characterized in that the heating module includes thermistor, insurance
Silk and heating wire, in which:
The thermistor is connected with the temperature signal input；
The heating wire is connected with the electronic switch by the fuse.
3. humidifying heating device as claimed in claim 2, which is characterized in that the thermistor include the first thermistor and
Second thermistor, the temperature signal input include the first temperature signal input and second temperature signal input part,
In:
First thermistor is connected with first temperature signal input, for inputting to first temperature signal
The first temperature signal of end input；
Second thermistor is connected with the second temperature signal input part, for inputting to the second temperature signal
End input second temperature signal.
4. humidifying heating device as described in claim 1, which is characterized in that the electronic switch includes field-effect tube.
5. humidifying heating device as described in claim 1, which is characterized in that the rated power of the heating module with it is described wet
Required power is consistent when changing the maximum temperature grade of device.
6. humidifying heating device as described in claim 1, which is characterized in that the controller is PID controller.
7. humidifying heating device as described in claim 1, which is characterized in that further include human-computer interaction button, in which:
The human-computer interaction button is connected with the controller, for depending on the user's operation to the controller output power
Control instruction.
8. a kind of ventilator, including humidification machine, which is characterized in that the humidification machine setting is just like any one of claim 1~7 institute
The humidifying heating device stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821872523.5U CN209187820U (en) | 2018-11-14 | 2018-11-14 | A kind of ventilator and its humidifying heating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821872523.5U CN209187820U (en) | 2018-11-14 | 2018-11-14 | A kind of ventilator and its humidifying heating device |
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| CN209187820U true CN209187820U (en) | 2019-08-02 |
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| CN201821872523.5U Active CN209187820U (en) | 2018-11-14 | 2018-11-14 | A kind of ventilator and its humidifying heating device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121274A (en) * | 2020-08-14 | 2020-12-25 | 广州和普乐健康科技有限公司 | Heating control method and device for heating pipe, storage medium and computer equipment |
| CN114209953A (en) * | 2021-12-31 | 2022-03-22 | 江苏鱼跃医疗设备股份有限公司 | Breathing humidifier, dry burning detection method thereof and computer readable storage medium |
| CN114288502A (en) * | 2021-12-31 | 2022-04-08 | 江苏鱼跃医疗设备股份有限公司 | Temperature and humidity control method of respiratory therapy device and respiratory therapy device |
| CN114288516A (en) * | 2021-12-27 | 2022-04-08 | 北京谊安健康科技有限公司 | Dry combustion early warning method and early warning device for humidifier of sleep breathing machine |
| WO2022257227A1 (en) * | 2021-06-08 | 2022-12-15 | 东莞永胜医疗制品有限公司 | Breathing assistance device |
| JP2023523510A (en) * | 2021-03-18 | 2023-06-06 | ヴィンセント メディカル（ドングアン）マニュファクチャリング シーオー．，エルティーディー． | Heated Loop Protection Circuits, Breathing Heating Circuits and Breathing Aids |
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2018
- 2018-11-14 CN CN201821872523.5U patent/CN209187820U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121274A (en) * | 2020-08-14 | 2020-12-25 | 广州和普乐健康科技有限公司 | Heating control method and device for heating pipe, storage medium and computer equipment |
| JP2023523510A (en) * | 2021-03-18 | 2023-06-06 | ヴィンセント メディカル（ドングアン）マニュファクチャリング シーオー．，エルティーディー． | Heated Loop Protection Circuits, Breathing Heating Circuits and Breathing Aids |
| EP4087078A4 (en) * | 2021-03-18 | 2023-09-06 | Vincent Medical (Dong Guan) Manufacturing Co., Ltd. | Heating loop protection circuit, breathing heating circuit, and breathing assistance device |
| JP7457823B2 (en) | 2021-03-18 | 2024-03-28 | ヴィンセント メディカル（ドングアン）マニュファクチャリング シーオー．，エルティーディー． | Heating loop protection circuit, breathing heating circuit and breathing assistance device |
| WO2022257227A1 (en) * | 2021-06-08 | 2022-12-15 | 东莞永胜医疗制品有限公司 | Breathing assistance device |
| JP2023534332A (en) * | 2021-06-08 | 2023-08-09 | ヴィンセント メディカル（ドングアン）マニュファクチャリング シーオー．，エルティーディー． | respiratory aid |
| EP4122514A4 (en) * | 2021-06-08 | 2023-08-30 | Vincent Medical (Dong Guan) Manufacturing Co., Ltd. | Breathing assistance device |
| JP7417754B2 (en) | 2021-06-08 | 2024-01-18 | ヴィンセント メディカル（ドングアン）マニュファクチャリング シーオー．，エルティーディー． | breathing assistance device |
| CN114288516A (en) * | 2021-12-27 | 2022-04-08 | 北京谊安健康科技有限公司 | Dry combustion early warning method and early warning device for humidifier of sleep breathing machine |
| CN114209953A (en) * | 2021-12-31 | 2022-03-22 | 江苏鱼跃医疗设备股份有限公司 | Breathing humidifier, dry burning detection method thereof and computer readable storage medium |
| CN114288502A (en) * | 2021-12-31 | 2022-04-08 | 江苏鱼跃医疗设备股份有限公司 | Temperature and humidity control method of respiratory therapy device and respiratory therapy device |
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