CN209316761U - A kind of type breathing-machine humidification pot level alarm for water - Google Patents
A kind of type breathing-machine humidification pot level alarm for water Download PDFInfo
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- CN209316761U CN209316761U CN201720847812.9U CN201720847812U CN209316761U CN 209316761 U CN209316761 U CN 209316761U CN 201720847812 U CN201720847812 U CN 201720847812U CN 209316761 U CN209316761 U CN 209316761U
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- optical sensor
- light emitting
- emitting devices
- warning device
- collimation
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Abstract
The utility model discloses a kind of type breathing-machine humidification pot level alarm for water, are related to field of medical device.The warning device includes: the collimation light emitting devices being set to outside humidifying tank；Collimation light emitting devices is set to respect to the first optical sensor at the first limit for height of the tank body other side；With the second optical sensor at opposite the second limit for height of the tank body other side；The alarm unit being connect with the optical sensor；The collimation light emitting devices is for being configured to first optical sensor and second optical sensor transmitting collimated light；The optical wavelength that the collimation light generating apparatus emits to first sensor is different from the optical wavelength occurred to second sensor；The collimation vertical range of the light emitting devices from humidifying pot bottom is less than the vertical range at the second limit for height from humidifying pot bottom；The emergent ray of the collimation light emitting devices and the incidence angle of tank body liquid level are greater than the angle of total reflection of liquid and air in tank body.The warning device can reduce malpractice with Realtime Alerts.
Description
Technical field
The utility model relates to medical instruments field, especially a kind of type breathing-machine humidification pot level alarm for water.
Background technique
Human airway has the function of heating and moistening, and Cavity in Critical Patients is in application ventilator assisted ventilation, original to add
Warm humidification function is deprived of, it is necessary to patient airway is sent into after humidifying by type breathing-machine humidification pot to central compressed air.
Type breathing-machine humidification pot is the important component of ventilator, can be carried out to the air humidity for entering patient breathing system
Adjustment.Clinically only it is used to prompt the water-line target line of water filling on the tank body of common type breathing-machine humidification pot, needs medical care people
Member often pays close attention to water level.Humidification pot dilutional hyponatremia, which easily leads in tank water and flows into air flue along breathing circuit, causes patient accidentally to inhale, and causes
Patients with respiratory tract infection；And water is very few in tank easily causes patient respiratory mucous membrane is dry, respiratory secretions is sticky to be not easy to be discharged.
Therefore medical staff is needed frequently to replace, it is cumbersome, the workload of medical staff is increased, and the nurse that occurs now and then is absent from the scene
And the situation of disconnected liquid occurs, and influences to treat.
Utility model content
In order to solve technical problem above, the utility model embodiment discloses type breathing-machine humidification pot warning device, packet
It includes:
The collimation light emitting devices being set to outside humidifying tank；
Collimation light emitting devices is set to respect to the first optical sensor at the first limit for height of tank body；
Collimation light emitting devices is set to respect to the second optical sensor at the second limit for height of tank body；
The alarm unit being connect with first optical sensor and second optical sensor；
The collimation light emitting devices emits for being configured to first optical sensor and second optical sensor
Collimated light；
The vertical range of the collimation light emitting devices from humidifying pot bottom less than at the second limit for height from humidifying pot bottom
Vertical range；
The emergent ray of the collimation light emitting devices and the incident angle of tank interior liquid level are greater than tank interior liquid
With the angle of total reflection of Air Interface.
When liquid level is lower than at the first limit for height in tank body, the emergent ray of light emitting devices is collimated since incidence angle is big
Go out to be totally reflected in liquid level in the angle of total reflection of tank interior liquid and Air Interface, so that the first optical sensor receives not
To emergent ray, reach the technical effect whether detection tank body water level is lower than the first limit for height；
Similarly when liquid level is lower than at the second limit for height in tank body, the emergent ray of light emitting devices is collimated due to entering
Firing angle is greater than the angle of total reflection of tank interior liquid and Air Interface and goes out to be totally reflected in liquid level, thus the second optical sensor
Emergent ray is not received, the technical effect whether detection tank body water level is lower than the second limit for height is reached；
Further, the collimation light emitting devices, first optical sensor and the second optical sensor are inhaled by vacuum
It is attached to can outer surface.
Above structure can be dismantled at any time, be applied easily and fast in difference in can outer surface by vacuum suction
On the type breathing-machine humidification pot of model.
Optionally, the wave-length coverage of the collimation light emitting devices emergent ray is 760nm-1000nm.Due to above-mentioned wave
Segment limit is infrared light, can reduce interference of the environment light to testing result to greatest extent.
Preferably, the wave-length coverage that first optical sensor and second optical sensor sense is identical.That is the first light
Sensor and the second optical sensor can make of identical material, reach the technical effect of save the cost.
Further, the alarm unit further includes wireless transport module, for objective to target according to tank body water level conditions
Family sends humidification pot status information.
Humidification pot water level conditions are sent to responsible person by wireless transport module, notice that can be more instant to medical treatment
Operating personnel reaches real Real-time Feedback.
Further, the warning device further includes gravity sensing unit, and the gravity sensing unit is for detecting humidifying
Whether tank is in steady state, and the humidification pot status information includes whether humidification pot is steady；
Gravity detection unit can detecte the steady state of humidification pot, reduce the wrong report feelings of warning device to greatest extent
Condition.
The utility model embodiment at least has the advantages that
In the utility model embodiment, the warning device can real-time detection tank interior water level conditions, and carry out from
Dynamic alarm, since collimation light emitting devices, first optical sensor and the second optical sensor in the warning device are all provided with
It sets on the outside of tank body, reduces pollution of the warning device to tank interior liquid, and warning device can be dismantled at any time, it is compatible
The type breathing-machine humidification pot of disposable type.
Therefore the warning device of the utility model embodiment can achieve Realtime Alerts, reduce malpractice, mitigate medical care
Person works' amount, at the same it is low in cost, it is portable strong, it is the very strong medical product of a practicability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the warning device of the utility model embodiment；
Fig. 2 is the light path schematic diagram of the warning device of the utility model embodiment；
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, it should be appreciated that following embodiment
Merely to description and interpretation the utility model, is not defined the structure of the utility model.
Embodiment 1
The type breathing-machine humidification pot warning device of the utility model first embodiment, comprising:
The collimation light emitting devices 2 being set to outside humidifying tank 1；
Collimation light emitting devices 2 is set to respect to the first optical sensor 3 at the first limit for height of tank body h1；
Collimation light emitting devices 2 is set to respect to the second optical sensor 4 at the second limit for height of tank body h2；
The alarm unit 5 being connect with first optical sensor 3 and second optical sensor 4；
The collimation light emitting devices 3 is sent out for being configured to first optical sensor 3 and second optical sensor 4
Penetrate collimated light；
The emergent ray of the collimation light emitting devices 3 and the incident angle of tank interior liquid level are greater than tank interior liquid
With the angle of total reflection of Air Interface.
Collimate the first emergent ray 7 of light emitting devices and the angle, θ 1 of liquid level normal direction, the second emergent ray 8 with
The angle, θ 2 of liquid level normal direction is greater than the angle of total reflection of tank interior liquid and Air Interface.
If the refractive index of air is 1, the refractive index of water is n, then θ 1 and θ 2 should be greater than arcsin (1/n).
In order to allow the first emergent ray and the second emergent ray to be able to satisfy total reflection condition, the collimation light emitting is filled
It installs under being placed at the second limit for height, i.e., described collimation vertical range of the light emitting devices from humidifying pot bottom is less than the second limit for height
Vertical range of the place from humidifying pot bottom.
In order to further illustrate the working principle of the utility model, the index path of Fig. 2 is please referred to, when tank interior liquid level is high
When degree drops to h3, the first emergent ray 7 experiences total internal reflection at liquid and Air Interface, at this moment the first optical sensor 3 is examined
The first emergent ray is not detected, to reach the technical effect whether monitoring water level is lower than the first limit for height h1.
Likewise, the second emergent ray 8 is in liquid and Air Interface when tank interior liquid level drops below h2
Locate experiences total internal reflection, at this moment the first optical sensor 4 can't detect the first emergent ray, to reach whether monitoring water level is lower than
The technical effect of first limit for height h2.
Embodiment 2
In order to reach technical purpose convenient to use, in another alternative embodiment, the ventilator of the utility model
Collimation light emitting devices, first optical sensor and the second optical sensor in humidification pot warning device are existed by vacuum suction
Can outer surface.
Pass through above-mentioned setting, it may be convenient to by the collimation light emitting devices, first optical sensor and the second light
Sensor is dismantled from type breathing-machine humidification pot and is transplanted on other type breathing-machine humidification pots, and compatibility and practicability are extremely strong
In order to reduce interference of the ambient light to optical sensor, the wave-length coverage for collimating light emitting devices emergent ray is set
It is set to 760nm-1000nm.
In order to further decrease production cost, first optical sensor and second optical sensor can be sensed
Wave-length coverage is identical, it is preferred that first sensor and second sensor can be manufactured by identical sensor.
First sensor and second sensor are interfered in order to prevent, and the collimation light generating apparatus is to first sensor
The optical wavelength of transmitting is different from the optical wavelength occurred to second sensor.
Embodiment 3
In order to further reach the technical effect of Realtime Alerts, in another alternative embodiment, in embodiment 1
Alarm unit further includes wireless transport module, for sending humidification pot status information to target customer according to tank body water level conditions,
In this way, even if medical staff humidification pot water level information can also do not received in real time at medical scene, reduce to greatest extent
The generation of malpractice.
Embodiment 4
In order to further decrease interference of the environment to warning device, in another alternative embodiment, in embodiment 3
Warning device further includes gravity sensing unit, and the gravity sensing unit is for detecting whether humidification pot is in steady state, institute
State humidification pot status information includes whether humidification pot is steady；
By the detection to humidification pot steady state, it can cause liquid level is unstable to draw to avoid due to the external force such as vibration
The wrong report risen, ensure that the accuracy of water level monitoring situation.
In the utility model embodiment, the warning device can real-time detection tank interior water level conditions, and carry out from
Dynamic alarm, since collimation light emitting devices, first optical sensor and the second optical sensor in the warning device are all provided with
It sets on the outside of tank body, reduces pollution of the warning device to tank interior liquid, and warning device can be dismantled at any time, it is compatible
The type breathing-machine humidification pot of disposable type.
Therefore the warning device of the utility model embodiment can achieve Realtime Alerts, reduce malpractice, mitigate medical care
Person works' amount, at the same it is low in cost, it is portable strong, it is the very strong medical product of a practicability.
The above is only the embodiments of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of this utility model, it can also make several improvements and retouch, these improvements and modifications
Also it should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of type breathing-machine humidification pot level alarm for water characterized by comprising
The collimation light emitting devices being set to outside humidifying tank；
Collimation light emitting devices is set to respect to the first optical sensor at the first limit for height of the tank body other side；
Collimation light emitting devices is set to respect to the second optical sensor at the second limit for height of the tank body other side；
The alarm unit being connect with first optical sensor and second optical sensor；
The collimation light emitting devices is for being configured to first optical sensor and second optical sensor transmitting collimation
Light；
The collimation vertical range of the light emitting devices from humidifying pot bottom is vertical from humidifying pot bottom less than at the second limit for height
Distance；
The emergent ray of the collimation light emitting devices and the incident angle of tank interior liquid level are greater than tank interior liquid and sky
The angle of total reflection of vapor interface.
2. warning device according to claim 1, which is characterized in that the collimation light emitting devices, first light pass
Sensor and the second optical sensor pass through vacuum suction in can outer surface.
3. warning device according to claim 1, which is characterized in that the wavelength of the collimation light emitting devices emergent ray
Range is 760nm-1000nm.
4. warning device according to claim 1, which is characterized in that first optical sensor and second light sensing
The wave-length coverage of device sensing is identical.
5. warning device according to claim 1, which is characterized in that the alarm unit further includes wireless transport module,
For sending humidification pot status information to target customer according to tank body water level conditions.
6. warning device according to claim 5, which is characterized in that the warning device further includes gravity sensing unit,
For the gravity sensing unit for detecting whether humidification pot is in steady state, the humidification pot status information includes that humidification pot is
It is no steady.
7. warning device according to claim 1, which is characterized in that the collimation light emitting devices is to the first optical sensor
The optical wavelength of transmitting is different from the optical wavelength occurred to the second optical sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720847812.9U CN209316761U (en) | 2017-07-13 | 2017-07-13 | A kind of type breathing-machine humidification pot level alarm for water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720847812.9U CN209316761U (en) | 2017-07-13 | 2017-07-13 | A kind of type breathing-machine humidification pot level alarm for water |
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| Publication Number | Publication Date |
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| CN209316761U true CN209316761U (en) | 2019-08-30 |
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| CN201720847812.9U Expired - Fee Related CN209316761U (en) | 2017-07-13 | 2017-07-13 | A kind of type breathing-machine humidification pot level alarm for water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109248366A (en) * | 2017-07-13 | 2019-01-22 | 中南大学湘雅医院 | A kind of type breathing-machine humidification pot level alarm for water |
-
2017
- 2017-07-13 CN CN201720847812.9U patent/CN209316761U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109248366A (en) * | 2017-07-13 | 2019-01-22 | 中南大学湘雅医院 | A kind of type breathing-machine humidification pot level alarm for water |
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Granted publication date: 20190830 Termination date: 20200713 |