CN102266624B - Gas return path heating system and anesthesia machine - Google Patents
Gas return path heating system and anesthesia machine Download PDFInfo
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- CN102266624B CN102266624B CN201010620986.4A CN201010620986A CN102266624B CN 102266624 B CN102266624 B CN 102266624B CN 201010620986 A CN201010620986 A CN 201010620986A CN 102266624 B CN102266624 B CN 102266624B
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Abstract
The invention provides a gas return path heating system and an anesthesia machine. The gas return path heating system comprises a control panel and a heating component, wherein the heating component is provided with a heating element, a temperature sensor and a socket, a first port of the socket is connected with the temperature sensor, and the heating element is bridged between a second port and a third port of the socket; the system also comprises a multi-core cable connected between the control panel and the socket; and the first port, the second port and the third port of the socket are respectively connected with a temperature signal input port, a power output end and a ground end of the control panel through the multi-core cable. By adopting the technical scheme of the invention, quick and uniform heating can be performed, and a heating circuit can not be damaged due to the problems of poor contact, current surge and the like when hot plug is performed.
Description
Technical field
The present invention relates to a kind of gas return path heating system and anesthetic machine.
Background drapes over one's shoulders art
Anesthetic machine is that intra-operative guides patient's inhalation anesthesia gas and carries out the armarium of mechanical ventilation, and loop is the important component part of anesthetic machine, and gas (comprising oxygen and anesthetic gases) is supplied to patient by loop.The normal temperature of human body is 37 degree, and gas, to enter meeting human body preferably close to the temperature of human body, so anesthetic machine heats loop and controls heating-up temperature, makes the gas in loop reach close to the temperature in human body.
Existing loop heating device has two kinds of mounting means:
1, heater is arranged on the side in loop, like this with loop be not one, be convenient to loop dismantle separately, but this heating is by conduction of heat completely, from heater more close to temperature higher, be then delivered to far-end gradually, this heater requires that loop is connected very reliable with heater, otherwise heat transfer effect is bad, thus affect heats.
2, heater is installed in the loop, then be connected to panel by the mode of cable, be fixedly connected with in order to shielded cable is generally adopted by the problem plugged, this heating is that nested heats is in the loop relatively good, but be not easy to dismounting, be unfavorable for loop high-temperature sterilization like this.
Bad for the gas return path heating system heats effect existed in prior art, or be not easy to dismounting, for this problem, at present effective solution is not yet proposed.
Summary of the invention
Main purpose of the present invention is to provide a kind of gas return path heating system and anesthetic machine, bad to solve heating system heats effect in prior art, or is not easy to the problem of dismounting.
To achieve these goals, according to an aspect of the present invention, provide a kind of gas return path heating system, comprise: panel and the heating component with heating element heater and temperature sensor, heating component also comprises socket, first port of socket is connected with temperature sensor, cross-over connection heating element heater between the second port and the 3rd port; System also comprises multi-core cable, and multi-core cable is connected between panel and socket, and by multi-core cable, the first port of socket, the second port and the 3rd port are connected with temperature signal input mouth, the power output end of panel and holding over the ground respectively.
Further, heating component also comprises the first resistance, and the first port of socket is connected with temperature sensor via this first resistance.
Further, the temperature input mouth of panel is connected via the temperature signal input of the second resistance with the central processor MCU of panel, and is connected with the first power supply via the 3rd resistance; The temperature signal input of central processor MCU is connected with second source via diode, via stabilivolt and the TVS pipe ground connection of parallel connection.
Further, the clamp voltage of stabilivolt is 5.5V.
Further, the output voltage of the power output end of panel is 24V.
Further, the voltage of the first power supply and second source is 5V.
According to a further aspect in the invention, a kind of anesthetic machine is additionally provided.Comprise any one above-mentioned gas return path heating system, and: the panel of gas return path heating system is arranged in the body of anesthetic machine; The heater of gas return path heating system is arranged in the gas return path of anesthetic machine.
Further, the gas return path of gas return path heating system is oxygen circuit.
Further, the gas return path of gas return path heating system is anesthetic gases loop.
According to technical scheme of the present invention, be arranged on by heater on loop, heater leaves the interface of wiring, by interface connection cable, and solves the problem of hot plug.Like this can fast, homogeneous heating, heater circuit being made again when carrying out hot plug, the damage of circuit can not be caused due to the problem such as loose contact or rush of current.
Accompanying drawing explanation
Figure of description is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the critical piece of gas return path heating system of the present invention;
Fig. 2 is the schematic diagram of the present invention with the critical piece of the gas return path heating system of panel circuit protection;
Fig. 3 is the schematic diagram of the present invention with the critical piece of the gas return path heating system of heating component circuit protection; And
Fig. 4 is the present invention with the schematic diagram of the critical piece of the gas return path heating system of panel circuit protection and heating component circuit protection.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
In order to energy is quick, homogeneous heating, heater is arranged on loop by the present invention, and as shown in Figure 1, gas return path heating system of the present invention comprises panel 1 and has the heating component 2 of heating element heater 10 and temperature sensor 9, wherein,
Heating component 2 also comprises socket 5, and the first port 6 of socket 5 is connected with temperature sensor 9, cross-over connection heating element heater 10 between the second port 7 and the 3rd port 8; System also comprises multi-core cable 4, multi-core cable 4 is connected between panel 1 and socket 5, by multi-core cable 4, the first port 6, second port 7 of socket and the 3rd port 8 are connected with temperature input signal (DQ) port, the power output end 3 of panel 1 and holding over the ground respectively.Fast, evenly, effectiveness comparison is good for the nested heating in the loop of this heater, is also convenient to dismounting, is conducive to the high-temperature sterilization of system circuit.
In general circuit, temperature input signal DQ directly connects central processor MCU.When carrying out cable 4 hot plug, as in instantaneous power outfan 3, DQ connection, but GND does not connect, and such power output end 3 forms loop with DQ, may cause damage, plug the surge, electrostatic etc. that bring instantaneously and also can cause damage to circuit circuit.
For avoiding this kind of hidden danger, the present invention is separately installed with protection circuit protection at panel and heating component.
Fig. 2 is the schematic diagram of the critical piece of gas return path heating system with panel 1 circuit protection, system comprises panel 1 and has the heating component 2 of heating element heater 10, temperature sensor 9 and socket 5, first port 6 of socket 5 is connected with temperature sensor 9, cross-over connection heating element heater 10 between the second port 7 and the 3rd port 8; Multi-core cable 4 is connected between panel 1 and socket 5, by multi-core cable 4, first port 6, second port 7 of socket and the 3rd port 8 are connected with temperature input signal (DQ) port, the power output end 3 of panel 1 and holding over the ground respectively, wherein: the temperature input mouth of panel 1 is connected with the temperature signal input of the central processor MCU of panel 1 via the second resistance 12, and is connected with the first power supply 14 via the 3rd resistance 13; The temperature signal input of central processor MCU is connected with described second source 11 via diode, via stabilivolt and the TVS pipe ground connection of parallel connection.
When voltage is greater than a certain voltage, when transient energy is very large, Transient Suppression Diode (TVS) works, response speed is fast especially, big current is released ground level by transient switching, make voltage remain on the clamp voltage of TVS, the diode be at this moment connected with second source 11 and the stabilivolt in parallel with TVS also work by voltage clamp to supply voltage, so just protect thermal control plate; Second resistance 12 also serves the effect of current limliting simultaneously, avoids the damage to moment high-energy MCU such as surge voltage, electrostatic.In plug moment; if power output end; in DQ connection; but GND does not connect; such power output end 3 forms loop with DQ; at this moment the diode be mainly connected with second source 11 and the stabilivolt in parallel with TVS also work by voltage clamp to supply voltage, simultaneously by the second resistance 12 current limliting, protect panel 1 like this.
Fig. 3 is the schematic diagram of the critical piece of gas return path heating system with heating component circuit protection.
As shown in FIG., system comprises panel 1 and has the heating component 2 of heating element heater 10, temperature sensor 9 and socket 5, and the first port 6 of socket is connected with temperature sensor 9, cross-over connection heating element heater 10 between the second port 7 and the 3rd port 8; Multi-core cable 4 is connected between panel 1 and socket 5, by multi-core cable 4, first port 6, second port 7 of socket and the 3rd port 8 are connected with temperature input signal (DQ) port, the power output end 3 of panel 1 and holding over the ground respectively, wherein:
First resistance 15 is connected with between first port 6 and temperature sensor of socket.Carry out current limliting by the first resistance 15, so also protect heating component 2.
Also the scheme described in Fig. 3 is applicable to the while that circuit protection being carried out to heating component.
Fig. 4 is the schematic diagram of the critical piece of gas return path heating system with panel circuit protection and heating component circuit protection.
As shown in FIG., system comprises panel 1 and has the heating component 2 of heating element heater 10, temperature sensor 9 and socket 5, and the first port 6 of socket is connected with temperature sensor, cross-over connection heating element heater 10 between the second port 7 and the 3rd port 8; Multi-core cable 4 is connected between panel 1 and socket 5, by multi-core cable 4, first port 6, second port 7 of socket and the 3rd port 8 are connected with temperature input signal (DQ) port, the power output end 3 of panel 1 and holding over the ground respectively, wherein:
The temperature input mouth of panel is connected with the temperature signal input of the central processor MCU of panel 1 via the second resistance 12, and is connected with the first power supply 14 via the 3rd resistance 13; The temperature signal input of central processor MCU is connected with described second source 11 via diode, via stabilivolt and the TVS pipe ground connection of parallel connection; First resistance 15 is connected with between first port 6 and temperature sensor 9 of socket.
In above scheme, the clamp voltage of the stabilivolt of indication can be 5.5V; In above scheme, the output voltage of the power output end 3 of panel can be 24V; In above scheme, the voltage of the first power supply 14 and described second source 11 can be 5V.
The embodiment of the present invention additionally provides a kind of anesthetic machine, comprises any one above-mentioned gas return path heating system, and: panel is arranged in the body of described anesthetic machine; Heater is arranged in the gas return path of described anesthetic machine.Wherein gas return path is oxygen circuit or anesthetic gases loop.
According to the technical scheme of the embodiment of the present invention; be arranged on by heater on loop, heater leaves the interface of wiring, by interface connection cable; be provided with circuit that panel is protected in system and to the circuit that heating component is protected, solve the problem of hot plug.Like this can fast, homogeneous heating, heater circuit being made again when carrying out hot plug, the damage of circuit can not be caused due to the problem such as loose contact or rush of current.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a gas return path heating system, comprises panel and the heating component with heating element heater and temperature sensor, it is characterized in that:
Described heating component also comprises socket, and the first port of described socket is connected with described temperature sensor, heating element heater described in cross-over connection between the second port and the 3rd port;
Described system also comprises multi-core cable, described multi-core cable is connected between described panel and described socket, by described multi-core cable, first port of described socket, the second port and the 3rd port are connected with temperature signal input mouth, the power output end of described panel and holding over the ground respectively
The temperature input mouth of described panel is connected via the temperature signal input of the second resistance with the central processor MCU of described panel, and order is connected with the first power supply via the 3rd resistance;
The temperature signal input of described MCU is connected with second source via diode, via stabilivolt and the TVS pipe ground connection of parallel connection.
2. gas return path heating system according to claim 1, is characterized in that, described heating component also comprises the first resistance, and the first port of described socket is connected with described temperature sensor via this first resistance.
3. gas return path heating system according to claim 1, is characterized in that, the clamp voltage of described stabilivolt is 5.5V.
4. gas return path heating system according to claim 1, is characterized in that, the output voltage of the power output end of described panel is 24V.
5. gas return path heating system according to claim 1, is characterized in that, the voltage of described first power supply and described second source is 5V.
6. an anesthetic machine, is characterized in that, comprises the gas return path heating system according to any one of claim 1 to 5, and:
The panel of described gas return path heating system is arranged in the body of described anesthetic machine;
The heater of described gas return path heating system is arranged in the gas return path of described anesthetic machine.
7. anesthetic machine according to claim 6, is characterized in that, the gas return path of described gas return path heating system is oxygen circuit.
8. anesthetic machine according to claim 6, is characterized in that, the gas return path of described gas return path heating system is anesthetic gases loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010620986.4A CN102266624B (en) | 2010-12-31 | 2010-12-31 | Gas return path heating system and anesthesia machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010620986.4A CN102266624B (en) | 2010-12-31 | 2010-12-31 | Gas return path heating system and anesthesia machine |
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| Publication Number | Publication Date |
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| CN102266624A CN102266624A (en) | 2011-12-07 |
| CN102266624B true CN102266624B (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010620986.4A Active CN102266624B (en) | 2010-12-31 | 2010-12-31 | Gas return path heating system and anesthesia machine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104740737A (en) * | 2013-12-26 | 2015-07-01 | 北京谊安医疗系统股份有限公司 | Anesthesia machine and heating device of absorption loop of anesthesia machine |
| CN113442747B (en) * | 2020-03-27 | 2023-11-14 | 比亚迪股份有限公司 | Charging circuit and charging device for new energy vehicle and new energy vehicle |
| CN114272485B (en) * | 2021-12-23 | 2023-11-07 | 东莞永胜医疗制品有限公司 | Breathing tube temperature control circuit, method and breathing auxiliary equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101306219A (en) * | 1997-06-17 | 2008-11-19 | 菲舍尔和佩克尔有限公司 | respiratory system humidifier |
| CN101468220A (en) * | 2007-12-28 | 2009-07-01 | 北京谊安医疗系统股份有限公司 | Method for improving loop heating control precision and reliability by 1wire temperature sensor |
| CN101541367A (en) * | 2006-11-08 | 2009-09-23 | 雷斯梅德有限公司 | Conduit for use in a respiratory apparatus |
-
2010
- 2010-12-31 CN CN201010620986.4A patent/CN102266624B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101306219A (en) * | 1997-06-17 | 2008-11-19 | 菲舍尔和佩克尔有限公司 | respiratory system humidifier |
| CN101541367A (en) * | 2006-11-08 | 2009-09-23 | 雷斯梅德有限公司 | Conduit for use in a respiratory apparatus |
| CN101468220A (en) * | 2007-12-28 | 2009-07-01 | 北京谊安医疗系统股份有限公司 | Method for improving loop heating control precision and reliability by 1wire temperature sensor |
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| CN102266624A (en) | 2011-12-07 |
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