Humidifier and humidity control methodTechnical field
The present invention relates to the field of medical instrument technology more particularly to a kind of humidifiers and humidity control method.
Background technique
Gas of the humidifier of Breathing Suppotion equipment (such as ventilator) for humidifying to enter in its water box forms humidifying gasBody simultaneously provides the humidified gas for user.Cleaning and sterilizing and periodic replacement for the convenience of the user, the water box and breathing of humidifierHolding equipment is by being detachably mounted Breathing Suppotion equipment.Breathing Suppotion equipment is equipped with heating plate, and the bottom of water box is logicalIt crosses injection molding manner and presets a metal heat-conducting plate, Breathing Suppotion equipment heats its heating plate, heat is conducted by metal heat-conducting plateThe water heated in water box in water box enters the gas in water box with humidifying.
However, the humidifier of the relevant technologies, when metal heat-conducting plate conducts heat to water box, a part of heat passes through goldBelong to heat-conducting plate to be transmitted in water box, a part of heat has been dispersed into air, and the heat accounting that this part is wastedUp to 50%.So that the humidifier heating efficiency of the relevant technologies is low, humidifying low efficiency.
Therefore, it is necessary to provide the new humidifier of one kind and humidity control method solution above-mentioned technical problem.
Summary of the invention
The purpose of the present invention is overcoming above-mentioned technical problem, provide that a kind of heating efficiency is higher and humidifying efficiency preferably addsWet device and humidity control method.
The present invention provides a kind of humidifier, and including the water box for accommodating water, the bottom of the water box is led equipped with metalHot plate, the humidifier further include micro-crystal plate and magnetic energy heating coil, and the water box are held on the micro-crystal plate, describedMagnetic energy heating coil is arranged at intervals at the side far from the water box of the micro-crystal plate.
Preferably, the humidifier further includes the temperature-sensitive electricity for adhering on side of the micro-crystal plate far from the water boxResistance.
Preferably, the humidifier further includes processor, alarm unit, temperature sensing circuit, coil control circuit, electricityCurrent detection circuit and detecting circuit, the processor control the magnetic energy heating coil by the coil control circuit and generateFrequency is the alternating magnetic field of 20-25KHZ, then generates vortex current in the metal heat-conducting intralamellar part by the micro-crystal plate；InstituteState the resistance value that processor detects the thermistor by the temperature sensing circuit；The processor passes sequentially through the detectionCircuit, the coil control circuit and the current detection circuit detect whether the water box are held on the micro-crystal plate；InstituteIt states processor and controls the alarm unit sending alarm signal.
The present invention also provides a kind of humidity control methods, provide humidifier as described above, the humidity control methodInclude the following steps:
Step S1, start the humidifier；
Step S2, the described processor passes through described in the detecting circuit, coil control circuit and current detection circuit detectionWhether water box are placed on the micro-crystal plate, if so, then continuing next step S2；If not, the processor controls the reportAlert unit issues alarm signal prompt and places the water box, then repeatedly step S2；
Step S3, the described processor controls the magnetic energy heating coil generation frequency by the coil control circuitThe alternating magnetic field of 20-25KHZ heats the metal heat-conducting plate, heats to the water in the water box；
Step S4, the resistance that the described processor detects the thermistor by the temperature sensing circuit is assorted and calculates instituteState the real-time water temperature in water box；
Step S5, evaporation relationship of the described processor according to real-time water temperature, water temperature and water and the gas into the water boxFlowmeter body calculates real-time gas humidity；
Step S6, the size relation of real-time gas humidity Yu user preset value is judged, if real-time gas humidity is greater than or waitsIn user preset value, then then processor jumps back to step S2, if real-time gas by coil control circuit reduction heating powerBody humidity is less than user preset value, and then then processor jumps back to step S2 by coil control circuit increase heating power.
Compared with the relevant technologies, humidifier provided by the invention generates 20-25KHZ by the magnetic energy heating coilAlternating magnetic field, then by the micro-crystal plate the metal heat-conducting intralamellar part generate vortex current, by the joule of vortex currentFuel factor makes the metal heat-conducting plate heat up, and heats the water in the water box, so that thermal loss is considerably reduced, heatLoss is reduced to 5% hereinafter, heating efficiency is higher by 50%, and humidifying efficiency is more preferable；Moisture control function is additionally provided simultaneously, is led toHumid control is crossed, heating power is adjusted, further promotes humidifying efficiency.Humidity control method provided by the invention is to wetPrecise control is spent, humidifying efficiency is more preferable.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodimentAttached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, forFor those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings otherAttached drawing, in which:
Fig. 1 is humidifier structural schematic diagram of the present invention；
Fig. 2 is humidifier system block diagram of the present invention；
Fig. 3 is humidity control method flow diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, completeSite preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based onEmbodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all otherEmbodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-2, the present invention provides a kind of humidifier, including the water box 2 for accommodating water, the water box2 bottom is equipped with metal heat-conducting plate 22.The humidifier further includes micro-crystal plate 11 and magnetic energy heating coil 12, the water box2 are held on the micro-crystal plate 11, and the magnetic energy heating coil 12 is arranged at intervals at the separate water box 2 of the micro-crystal plate 11Side.
The humidifier is applied to Breathing Suppotion equipment, and the Breathing Suppotion equipment includes host 1, the crystallitePlate 11 is set to the host 1.In present embodiment, when the host 1 is horizontally arranged, the metal heat-conducting plate 22 is located at instituteState the top of micro-crystal plate 11, the magnetic energy heating coil 12 be located at the bottom part down of the micro-crystal plate 11 and with the micro-crystal plate 11It is spaced 3-5mm.
The host 1 is additionally provided with host gas outlet 10, and the water box 2 are additionally provided with water box air inlet 20 and water box outletMouth 21, gas, which enters after the host 1, is delivered to water box 2 through the host gas outlet 10, enters through the water box air inlet 20The water box 2 are delivered to user through the water box gas outlet 21 after humidifying in the water box 2.
When the magnetic energy heating coil 12 works, the alternating magnetic field of 20-25KHZ is generated, by the micro-crystal plate 11 in instituteIt states and generates vortex current inside metal heat-conducting plate 22, i.e., vortex current pushes carrier moving in the metal heat-conducting plate 22, whirlpoolThe joule heating effect of rotation electric current makes the metal heat-conducting plate 22 heat up, to heat the water in the water box 2, generates vapor,Humidifying enters the gas in the water box 2 from the host 1, and transports to user.
In present embodiment, the humidifier further includes adhering on side of the micro-crystal plate 11 far from the water box 2Thermistor 13.To which the resistance value combination backoff algorithm by detecting the thermistor can calculate real-time water temperature.
Specifically, the humidifier further includes processor 14, alarm unit 15, temperature sensing circuit 19, coil controlCircuit 17, current detection circuit 18 and detecting circuit 16.The processor 14 is set in the host 1, the processor14, which control the magnetic energy heating coil 12 by the coil control circuit 17, generates the alternating magnetic field that frequency is 20-25KHZ, thenVortex current is generated inside the metal heat-conducting plate 22 by the micro-crystal plate 11, and then heats the water in the water box 2；InstituteThe resistance value that processor 14 detects the thermistor 13 by the temperature sensing circuit 19 is stated, can be counted in conjunction with backoff algorithmCalculate the real-time water temperature in the water box 2；The processor 14 passes sequentially through the detecting circuit 16, the coil control circuit17 and the current detection circuit 18 detect whether the water box 2 are held on the micro-crystal plate 11；The processor 14 controlsThe alarm unit 15 issues alarm signal.To which the humidifier can be by water box described in magnetic energy heating coils heatWater humidified gas；Whether detectable water box are in place, and in water box and while being in place issues alarm signal, prompt to placeWater box；It also can detect the real-time water temperature in the water box, and then calculated by the real-time water temperature real-time in the water boxGas humidity finally carries out humid control.
Refering to Fig. 3, the present invention also provides a kind of humidity control methods, provide humidifier as described above, describedHumidity control method includes the following steps:
Step S1, start the humidifier；
Step S2, the described processor passes through described in the detecting circuit, coil control circuit and current detection circuit detectionWhether water box are placed on the micro-crystal plate, if so, then continuing next step S2；If not, the processor controls the reportAlert unit issues alarm signal prompt and places the water box, then repeatedly step S2；
Step S3, the described processor controls the magnetic energy heating coil generation frequency by the coil control circuitThe alternating magnetic field of 20-25KHZ heats the metal heat-conducting plate, heats to the water in the water box；
Step S4, the resistance that the described processor detects the thermistor by the temperature sensing circuit is assorted and calculates instituteState the real-time water temperature in water box；
Step S5, evaporation relationship of the described processor according to real-time water temperature, water temperature and water and the gas into the water boxFlowmeter body calculates real-time gas humidity；
Step S6, the size relation of real-time gas humidity Yu user preset value is judged, if real-time gas humidity is greater than or waitsIn user preset value, then then processor jumps back to step S2, if real-time gas by coil control circuit reduction heating powerBody humidity is less than user preset value, and then then processor jumps back to step S2 by coil control circuit increase heating power.
Compared with the relevant technologies, humidifier provided by the invention generates 20-25KHZ by the magnetic energy heating coilAlternating magnetic field, then by the micro-crystal plate the metal heat-conducting intralamellar part generate vortex current, by the joule of vortex currentFuel factor makes the metal heat-conducting plate heat up, and heats the water in the water box, so that thermal loss is considerably reduced, heatLoss is reduced to 5% hereinafter, heating efficiency is higher by 50%, and humidifying efficiency is more preferable；Moisture control function is additionally provided simultaneously, is led toHumid control is crossed, heating power is adjusted, further promotes humidifying efficiency.Humidity control method provided by the invention is to wetPrecise control is spent, humidifying efficiency is more preferable.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hairEquivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skillsArt field, is included within the scope of the present invention.