CN112694063A - Intelligent group type oxygen release device and method - Google Patents
Intelligent group type oxygen release device and method Download PDFInfo
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- CN112694063A CN112694063A CN202011632749.XA CN202011632749A CN112694063A CN 112694063 A CN112694063 A CN 112694063A CN 202011632749 A CN202011632749 A CN 202011632749A CN 112694063 A CN112694063 A CN 112694063A
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 375
- 239000001301 oxygen Substances 0.000 title claims abstract description 375
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 375
- 238000000034 method Methods 0.000 title abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 33
- 230000000977 initiatory effect Effects 0.000 claims abstract description 21
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000005303 weighing Methods 0.000 claims description 32
- 239000003999 initiator Substances 0.000 claims description 31
- 239000007789 gas Substances 0.000 claims description 25
- 238000007599 discharging Methods 0.000 claims description 13
- 206010021143 Hypoxia Diseases 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000011017 operating method Methods 0.000 claims 2
- 230000001960 triggered effect Effects 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- BAZAXWOYCMUHIX-UHFFFAOYSA-M sodium perchlorate Chemical compound [Na+].[O-]Cl(=O)(=O)=O BAZAXWOYCMUHIX-UHFFFAOYSA-M 0.000 description 3
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 2
- HAIYHBSYMMFPJZ-UHFFFAOYSA-N O.Cl(=O)(=O)O.Cl(=O)(=O)O Chemical compound O.Cl(=O)(=O)O.Cl(=O)(=O)O HAIYHBSYMMFPJZ-UHFFFAOYSA-N 0.000 description 2
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 229910001488 sodium perchlorate Inorganic materials 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0203—Preparation of oxygen from inorganic compounds
- C01B13/0218—Chlorate
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention provides an intelligent group type oxygen release device and method, wherein the device comprises a machine body, the machine body consists of an oxygen storage box and a control box, and the oxygen storage box is communicated with the control box through an oxygen conveying channel; a plurality of independent oxygen release units are arranged in the oxygen storage box and used for generating oxygen and providing the oxygen to the current environment; the control box is provided with a control unit, the control unit controls the oxygen release unit to prepare pure oxygen according to the detected oxygen concentration, and oxygen is supplied to the closed space through the oxygen conveying channel. The invention adopts a parallel oxygen storage mode, each oxygen candle is provided with an independent initiation unit, can realize automatic and sequential multiple oxygen supply and manual initiation of group oxygen supply, realizes the flexibility of oxygen supply, saves oxygen sources under the condition of meeting the requirement of oxygen supply in a closed space, and prolongs the oxygen supply period of equipment.
Description
Technical Field
The invention belongs to the technical field of oxygen absorption in a closed space, and particularly relates to an intelligent group type oxygen discharging device and method.
Background
The oxygen releasing device is one of the necessary components of the life support system in the closed space. At present, the oxygen supply technology for the closed space mainly adopts three ways of compressed air oxygen supply, compressed oxygen supply and chemical oxygen production and oxygen supply. The premise of compressed air oxygen supply is that a compressed air system in the closed space is not damaged or the external environment is not polluted, so that the closed space has to have independent oxygen supply capacity. The independent oxygen supply technology mainly comprises compressed oxygen and chemical oxygen production. Compressed oxygen is most commonly used in medicine, but is limited by storage conditions, has larger potential safety hazard, occupies larger space and has high use and maintenance cost; the chemical oxygen supply is divided into superoxide oxygen supply and chlorate oxygen candle oxygen supply, and the expansion and pasty phenomena can occur in the superoxide oxygen supply process due to the absorption of oxygen containing moisture, so that the efficiency is low, and the chemical oxygen supply is corrosive; the chlorate oxygen candle has the advantages of small volume, large oxygen storage amount, rapid oxygen release, low storage condition, convenient long-term storage and particular suitability for oxygen supply in a closed space.
Most of oxygen candle devices for supplying oxygen to a closed space in the market at present stay in a manual ignition technology, the intelligent degree is low, a single oxygen candle cannot meet the oxygen supply requirement for the closed space with large oxygen demand, but the defects of overhigh temperature, uncontrollable concentration and the like caused by simultaneous oxygen supply are overcome, the automatic monitoring is realized, and the oxygen release for many times is particularly important.
Disclosure of Invention
In order to solve the problems and the defects of the prior art, the invention provides an intelligent group type oxygen discharging device and method which can realize automatic oxygen discharge according to the change of the oxygen concentration in space, judge the combustion state of an oxygen candle and continuously operate under the condition of abnormal power failure.
In order to achieve the purpose, the invention adopts the following technical scheme:
an intelligent group type oxygen discharging device comprises a machine body, wherein the machine body consists of an oxygen storage box and a control box, and the oxygen storage box is communicated with the control box through an oxygen conveying channel;
a plurality of independent oxygen release units are arranged in the oxygen storage box and used for generating oxygen and providing the oxygen to the current environment;
the control box is provided with a control unit, the control unit controls the oxygen release unit to prepare pure oxygen according to the detected oxygen concentration, and oxygen is supplied to the closed space through the oxygen conveying channel.
As a further preferred scheme, each independent oxygen release unit at least comprises an oxygen candle and an oxygen candle base, wherein the oxygen candle base is arranged in the oxygen storage box, and a weighing sensor is connected to the oxygen candle base; the oxygen candle is fixed in on the weighing sensor, just the oxygen candle includes the oxygen candle main part, the bottom of oxygen candle main part has one and holds the cavity, should hold and be provided with an initiator that initiates oxygen candle main part release oxygen in the cavity, initiator with the control unit is connected.
As a further preferred scheme, the initiator at least comprises an initiator base and an oxygen candle initiation contact, the oxygen candle initiation contact is arranged on the oxygen candle main body, an electric fire cap is arranged on the initiator base, and the electric fire cap is abutted to the oxygen candle initiation contact through a positioning block and initiates the oxygen candle main body to release oxygen.
As a further preferable scheme, the control unit at least comprises a control host and a control panel, the control host is arranged in the box body of the control box, and the control panel is arranged on the outer side of the door of the control box; the control host is controlled by a microprocessor, and the microprocessor is connected with the control panel; and the weighing sensor is connected with the input end of the control panel, and the output end of the control panel is connected with the electric fire cap.
As a further preferred scheme, a display screen, a gas analyzer, a power switch, a mode switching button and an oxygen deficiency alarm indicator lamp are arranged on the control panel, the display screen can display the oxygen concentration in the closed space monitored by the gas analyzer, and the display screen, the gas analyzer, the power switch, the mode switching button and the oxygen deficiency alarm indicator lamp are all connected with the control host.
As a further preferable scheme, a plurality of manual initiators are further arranged on the control panel, and the electric fire cap of each oxygen candle is correspondingly connected with one manual initiator.
As a further preferable scheme, a heat radiation fan is arranged in the oxygen conveying channel, and the heat radiation fan is connected with the control unit.
As a further preferred scheme, the four corners of the bottom of the machine body are provided with casters, the casters are universal wheels, and the casters are provided with foot brakes.
As a further preferred scheme, a standby power supply is further arranged in the control box body, and the standby power supply is electrically connected with the control host.
A working method of an intelligent group type oxygen discharging device comprises the following steps: randomly putting oxygen candles into an oxygen storage box, pressing a power switch, switching on a power supply, and setting an upper limit value and a lower limit value of oxygen concentration on a control panel; the gas analyzer automatically monitors and analyzes the oxygen concentration in the closed space after being electrified and converts the oxygen concentration into an electric signal to be transmitted to the control panel, meanwhile, the weighing sensors also convert the weight of each corresponding oxygen candle into an electric signal to be transmitted to the control panel, and the using state of each oxygen candle can be judged according to the weight value; when the gas analyzer monitors that the oxygen concentration in the closed space is lower than a lower limit value, the oxygen deficiency alarm indicator lamp flickers, and the control unit sends a starting signal after judging the effective oxygen candle according to the transmission signal of the weighing sensor and triggers the oxygen candle to burn to produce oxygen; meanwhile, the control unit starts the cooling fan; and when the gas analyzer monitors that the oxygen concentration in the closed space reaches or is higher than the upper limit value, stopping igniting the oxygen candle, and closing the cooling fan.
By adopting the technical scheme, the invention has the advantages that:
1. the intelligent group type oxygen discharge device adopts a parallel oxygen storage mode, each oxygen candle is provided with an independent initiation unit, automatic and sequential multiple oxygen supply and manual initiation of group oxygen supply can be realized, the flexibility of oxygen supply is realized, the oxygen source is saved under the condition of meeting the requirement of oxygen supply in a closed space, and the oxygen supply period of equipment is prolonged.
2. The intelligent group type oxygen releasing device adopts a solid oxygen source oxygen candle as an oxygen supply source. The oxygen candle is a solid oxygen source which is easy to store and convenient to use, has high oxygen storage capacity, is similar to the density of liquid oxygen and is about 3 times of the compressed oxygen with the same volume; the oxygen candle is relatively stable, does not generate leakage phenomenon, and has the advantages of rapid oxygen production, large oxygen production amount, small volume, light weight, long storage period and the like, the oxygen candle takes chlorate (sodium chlorate) as an oxygen production main body, and the reaction equation is as follows:
4NaClO3→3NaClO4+NaCl (1)
NaClO4→NaCl+2O2↑ (2)
2NaClO3→2NaCl+3O2↑ (3)
the inside of the oxygen candle is provided with a catalytic purification filter layer which can filter chloride particles and smoke dust. All oxygen must be released after the oxygen candles are triggered, and the oxygen candles cannot stop midway, so that the group type oxygen releasing device can be provided with the oxygen candles with different oxygen releasing amounts according to the size of the closed space and the number of people, and accurate oxygen supply is realized.
3. The oxygen discharge unit of the intelligent group type oxygen discharge device is provided with a weighing sensor, and can judge whether the oxygen candle is initiated or not and whether the oxygen candle is burnt or not. The method comprises the following steps that a weighing sensor collects the weight of each oxygen candle, the weight of each oxygen candle is converted into an electric signal (4-20ma), the electric signal is transmitted to a control unit, the control unit converts the electric signal into a weight value, the using state of each oxygen candle can be judged according to the weight value (taking 1500L oxygen candles as an example, the oxygen candles are judged to be not burnt when the weight is not less than 9.5Kg, the oxygen candles are judged to be completely burnt when the weight is not more than 8 Kg), and the oxygen candles are started according to the state sequence of the oxygen candles (if 1# is completely burnt, the oxygen candles are started from 2; when the oxygen candle triggering signal is sent out, in a specified time (30s), the oxygen candle is considered to be triggered when the signal of the weighing sensor changes, if the signal of the weighing sensor does not change, the oxygen candle is considered to be not successfully triggered, and the control unit judges that the next oxygen candle is continuously triggered. If the signal of the weighing sensor is unchanged and is maintained for a certain time (10s) in the burning process (within 45 min), the oxygen candle is considered to be in a burning-off state, and the next oxygen candle is directly triggered under the condition that the spatial concentration does not reach the standard.
4. The intelligent group type oxygen discharge device is provided with a manual initiator, when the device fails due to damage of a control system caused by signal interference or other reasons, a mode conversion button can be directly pressed, the manual initiator is manually short-circuited one by one, oxygen discharge of oxygen candles corresponding to numbers is initiated, and the life safety of personnel is guaranteed.
5. The intelligent group type oxygen release device adopts a built-in standby lithium power supply (12V, 50Ah), the power supply has the advantages of large energy storage, small volume, light weight and the like, the undifferentiated power supply under the abnormal power failure condition can be realized, the conversion time is less than 1ms, the continuous operation of the device can be provided for 12h, and sufficient time is provided for emergency maintenance and rescue.
6. The gas analyzer of the intelligent group type oxygen discharge device consists of an infrared sensor, a pump, a gas circuit system, a temperature compensation circuit, a pressure compensation circuit and the like, can automatically acquire the oxygen concentration in the environment, converts the oxygen concentration into an electric signal (4-20ma), and transmits the electric signal to the control unit.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to clearly understand the technical solutions of the present invention and to implement the technical solutions according to the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a front view of an intelligent group oxygen discharge device;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a top view of the intelligent group type oxygen discharging device.
Description of reference numerals:
1. an oxygen storage tank; 2. an oxygen candle; 3. a control box; 4. a heat radiation fan; 5. a standby power supply; 6. an oxygen deficiency alarm indicator light; 7. a power switch; 8. a mode switching button; 9. a manual initiator; 10. a display screen; 11. a gas analyzer; 12. an oxygen candle base; 13. a weighing sensor; 14. an initiator base; 15. an electric fire cap; 16. positioning blocks; 17. the oxygen candle initiates the contact.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example 1:
the embodiment provides an intelligent group type oxygen discharging device, as shown in fig. 1, comprising a body,
an intelligent group type oxygen discharging device comprises a machine body, wherein the machine body consists of an oxygen storage tank 1 and a control tank 3, and the oxygen storage tank 1 and the control tank 3 are communicated through an oxygen conveying channel;
a plurality of independent oxygen release units are arranged in the oxygen storage tank 1, and the oxygen release units are used for generating oxygen and providing the oxygen to the current environment;
the control box 3 is provided with a control unit, the control unit controls the oxygen release unit to prepare pure oxygen according to the detected oxygen concentration, and oxygen is supplied to the closed space through the oxygen conveying channel.
The working process of the intelligent group type oxygen discharging device comprises the following steps: setting an upper limit value and a lower limit value of oxygen concentration on a control panel of a control unit → automatically monitoring and analyzing the oxygen concentration of the closed space by a monitoring unit → sending a signal by the control panel when the oxygen concentration is lower than the set lower limit value → initiating oxygen production by an oxygen candle → stopping igniting the oxygen candle if the oxygen concentration reaches or is higher than the upper limit value.
Example 2:
on the basis of the embodiment 1, as a further preferable scheme, as shown in fig. 2, each independent oxygen releasing unit at least comprises an oxygen candle 2 and an oxygen candle base 12, wherein the oxygen candle base 12 is arranged in the oxygen storage tank 1, and a weighing sensor 13 is connected to the oxygen candle base 12; oxygen candle 2 is fixed in on the weighing sensor 13, just oxygen candle 2 includes the oxygen candle main part, the bottom of oxygen candle main part has one and holds the cavity, should hold and be provided with an initiator that triggers oxygen candle main part release oxygen in the cavity, the initiator with the control unit is connected.
The intelligent group type oxygen releasing device adopts a solid oxygen source oxygen candle as an oxygen supply source. The oxygen candle is a solid oxygen source which is easy to store and convenient to use, has high oxygen storage capacity, is similar to the density of liquid oxygen and is about 3 times of the compressed oxygen with the same volume; the oxygen candle is relatively stable, does not generate leakage phenomenon, and has the advantages of rapid oxygen production, large oxygen production amount, small volume, light weight, long storage period and the like, the oxygen candle takes chlorate (sodium chlorate) as an oxygen production main body, and the reaction equation is as follows:
4NaClO3→3NaClO4+NaCl (1)
NaClO4→NaCl+2O2↑ (2)
2NaClO3→2NaCl+3O2↑ (3)
the inside of the oxygen candle is provided with a catalytic purification filter layer which can filter chloride particles and smoke dust. All oxygen must be released after the oxygen candles are triggered, and the oxygen candles cannot stop midway, so that the group type oxygen releasing device can be provided with the oxygen candles with different oxygen releasing amounts according to the size of the closed space and the number of people, and accurate oxygen supply is realized.
It should be further noted that the oxygen discharge unit of the intelligent group type oxygen discharge device is also equipped with a weighing sensor, which can determine whether the oxygen candle is initiated and whether the oxygen candle is broken during the combustion process. The method comprises the following steps that a weighing sensor collects the weight of each oxygen candle, the weight of each oxygen candle is converted into an electric signal (4-20ma), the electric signal is transmitted to a control unit, the control unit converts the electric signal into a weight value, the using state of each oxygen candle can be judged according to the weight value (taking 1500L oxygen candles as an example, the oxygen candles are judged to be not burnt when the weight is not less than 9.5Kg, the oxygen candles are judged to be completely burnt when the weight is not more than 8 Kg), and the oxygen candles are started according to the state sequence of the oxygen candles (if 1# is completely burnt, the oxygen candles are started from 2; when the oxygen candle triggering signal is sent out, in a specified time (30s), the oxygen candle is considered to be triggered when the signal of the weighing sensor changes, if the signal of the weighing sensor does not change, the oxygen candle is considered to be not successfully triggered, and the control unit judges that the next oxygen candle is continuously triggered. If the signal of the weighing sensor is unchanged and is maintained for a certain time (10s) in the burning process (within 45 min), the oxygen candle is considered to be in a burning-off state, and the next oxygen candle is directly triggered under the condition that the spatial concentration does not reach the standard.
Example 3:
on the basis of the above embodiment, as a further preferable solution, as shown in fig. 2, the initiator at least includes an initiator base 14 and an oxygen candle initiation contact 17, the oxygen candle initiation contact 17 is disposed on an oxygen candle body, an electric fire cap 15 is disposed on the initiator base 14, and the electric fire cap 15 interferes with the oxygen candle initiation contact 17 through a positioning block 16 and initiates the oxygen candle body to release oxygen.
The intelligent group type oxygen discharge device adopts electronic initiation to produce oxygen, the initiator base 14 is provided with the spring type electric fire cap 15, the electric fire cap is tightly pressed by the self gravity after the oxygen candle is put in, the electric fire cap and the oxygen candle initiation contact are ensured to be tightly attached, and the material is brass, so that the electric spark generation caused by unstable contact can be prevented.
Example 4:
on the basis of the above embodiment, as a further preferable scheme, the control unit at least includes a control host and a control panel, the control host is disposed inside the box body of the control box 3, and the control panel is disposed outside the door of the control box 3; the control host is controlled by a microprocessor, and the microprocessor is connected with the control panel; and the weighing sensor 13 is connected with the input end of the control panel, and the output end of the control panel is connected with the electric fire cap 15.
As a further preferable scheme, as shown in fig. 3, a display screen 10, a gas analyzer 11, a power switch 7, a mode switching button 8 and an oxygen deficiency alarm indicator lamp 6 are arranged on the control panel, the display screen can display the oxygen concentration in the enclosed space monitored by the gas analyzer 11, and the display screen, the gas analyzer 11, the power switch 7, the mode switching button 8 and the oxygen deficiency alarm indicator lamp 6 are all connected with the control host.
Preferably, the gas analyzer comprises an infrared sensor, a pump, a gas path system, a temperature compensation and pressure compensation circuit and the like, can automatically acquire the oxygen concentration in the environment, converts the oxygen concentration into an electric signal (4-20ma), and transmits the electric signal to the control unit.
The working process of the intelligent group type oxygen release device is as follows:
putting six oxygen candles, opening a power switch, setting the upper limit and the lower limit of the oxygen concentration on a control panel, automatically monitoring the oxygen concentration in the closed space by a gas analyzer, when the oxygen concentration is lower than the set lower limit value, turning on an oxygen deficiency alarm lamp, turning on a cooling fan, charging an electric fire cap, charging an oxygen candle to initiate a contact head, sequentially starting combustion and oxygen production of the oxygen candles, triggering weighing sensor signals, and monitoring the combustion state of the oxygen candles by the control panel according to the weighing sensor signals; the lower limit and the upper limit of the oxygen concentration are set to be 18% and 21% respectively on the control panel, when the gas analyzer monitors that the oxygen concentration in the closed space is less than 18%, the control panel sends a signal, a relay corresponding to the No. 1 oxygen candle is closed, the electric fire cap is electrified, and the oxygen candle triggers the contact head to trigger the oxygen candle to produce oxygen; meanwhile, the corresponding relay of the cooling fan is closed, and the cooling fan starts to work; the corresponding weighing sensor sends out a signal, and the control panel is used for judging whether the oxygen candle is triggered or not and whether the phenomenon of burning off occurs or not in the burning process according to the signal of the retransmission sensor. If the oxygen concentration in the closed space does not reach the upper limit of 21% after the 1# oxygen candle is burnt, sequentially igniting the 2# oxygen candle; if the upper limit of the concentration reaches the upper limit of 21%, stopping igniting the oxygen candle, and closing the cooling fan; when re-ignited, it started with # 2 oxygen candle.
Example 5:
on the basis of the embodiment 3, as a further preferable scheme, a plurality of manual initiators 9 are further arranged on the control panel, and one manual initiator 9 is correspondingly connected to the electric fire cap 15 of each oxygen candle 2.
When the device damages the control system that signal interference caused or the malfunction that other reasons caused, can directly press the mode conversion button, manual short circuit manual trigger one by one triggers the oxygen candle of corresponding serial number and puts oxygen, guarantee personnel's life safety. And this intelligent group formula oxygen discharging device adopts parallelly connected oxygen storage mode, and every oxygen candle possesses independent initiation unit, can realize automatic order many times oxygen suppliment and manual initiation group oxygen suppliment, has realized the flexibility of oxygen suppliment, has practiced thrift the oxygen source under the circumstances that satisfies airtight space oxygen supply, extension equipment oxygen suppliment cycle.
Example 6:
on the basis of the embodiment, as a further preferred scheme, the four corners of the bottom of the machine body are provided with the casters, the casters are universal wheels, the casters are provided with foot brakes, and the device is moved to an operation area through the casters, so that the device is portable and flexibly moved.
As a further preferable scheme, a standby power supply is further arranged in the box body of the distribution box 12, and the standby power supply is electrically connected with the control host. When the power failure condition occurs in the closed space, the standby power supply is started instantly, and the oxygen concentration in the closed space can be controlled within a certain time. When the device is automatically controlled to be damaged, the mode switching button can be pressed down to utilize the manual initiator to initiate the oxygen supply of the oxygen candles one by one. Moreover, the invention adopts a built-in standby lithium power supply (12V, 50Ah), the power supply has the advantages of large energy storage, small volume, light weight and the like, the undifferentiated power supply under the condition of abnormal power failure can be realized, the conversion time is less than 1ms, the device can continuously run for 12h, and sufficient time is provided for emergency repair and rescue.
Example 7:
the embodiment provides an intelligent group type oxygen discharging device which is of a rectangular structure made of stainless steel; is divided into three parts of a machine body, an oxygen release unit and a control unit. The oxygen storage box 1 and the control box 3 are welded and fastened in a connection mode by adopting thin plates, the oxygen candle base 12 is connected with the oxygen storage box 1, the upper end of the oxygen candle base is sequentially and fixedly connected with the weighing sensor 13, the initiator base 14 and the oxygen candle 2, the electric fire cap 15 is fixed on the initiator base 14, and the positioning block 16 and the oxygen candle initiating contact 17 are fastened on the oxygen candle 2; the oxygen deficiency alarm lamp 6, the power switch 7, the mode conversion button 8, the manual initiator 9, the control panel 10 and the gas analyzer 11 are fixed on the control box 3.
The working method of the intelligent group type oxygen discharging device comprises the following steps:
randomly placing the oxygen candle 2 into the oxygen storage box 1, wherein a positioning block 16 on the oxygen candle 2 can ensure that an oxygen candle initiating contact 17 is completely contacted with an electric fire cap 15 on an initiator base 14; when the power switch 7 is pressed down, the device is powered on, and the standby power supply 5 is charged; the lower limit and the upper limit of the oxygen concentration are respectively 18% and 21% respectively on the control panel 10; at the moment, the gas analyzer 11 converts the oxygen concentration in the closed space into an electric signal (4-20na) and transmits the electric signal to the control system, and the electric signal is displayed on the control panel 10 after calculation; the weighing sensors 13 also convert the weight of the corresponding oxygen candles 2 into electric signals (4-20ma) to be transmitted to the control system, and the electric signals are displayed on the control panel 10 after calculation; when the gas analyzer 11 monitors that the oxygen concentration in the closed space is lower than the lower limit of 18%, the oxygen deficiency alarm lamp 6 flickers, after the control system judges that the oxygen candle 2 is available according to the transmission signal of the weighing sensor 13 (according to the weight judgment of the oxygen candles with different specifications), a starting signal is sent out, a relay corresponding to the oxygen candle 2 is closed, a corresponding electric fire cap 15 is electrified and is transmitted to an oxygen candle initiating contact 17 in contact with the electric fire cap, and the oxygen candle 2 is initiated to burn and produce oxygen; meanwhile, the control system starts the cooling fan 4; when the control system gives a starting signal and the weighing sensor 13 has a signal change (within 30s), namely the weight of the oxygen candle 2 is detected to be reduced, the oxygen candle 2 is considered to be ignited, if the signal change does not occur, the oxygen candle 2 is considered to be not ignited, and the control system can restart the next oxygen candle 2; when the weighing sensor 13 of the oxygen candle 2 generates a signal which is unchanged and is maintained for a certain time (10s) in the combustion process (within 45 min), the oxygen candle is considered to be in a burning-off state, and the control system directly triggers the next oxygen candle 2 under the condition that the space concentration does not reach the standard. When the device damages the control system that signal interference caused or the malfunction that other reasons caused, can directly press mode conversion button 8, manual short circuit manual trigger 9 one by one triggers the oxygen candle 2 of corresponding serial number and puts oxygen, guarantee personnel's life safety. The device adopts a built-in standby lithium power supply 5(12V, 50Ah), can realize the non-differential power supply under the condition of abnormal power failure, has the conversion time less than 1ms, can provide the device for continuous operation for 12h, and provides sufficient time for rush repair and rescue.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection can be mechanical connection, electrical connection or signal connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only exemplary of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way. Any simple modification, equivalent change and modification made to the above-described embodiments in accordance with the technical spirit of the present invention fall within the scope of the present invention.
Claims (10)
1. An intelligent group type oxygen release device is characterized in that: the oxygen storage device comprises a machine body, wherein the machine body consists of an oxygen storage box (1) and a control box (3), and the oxygen storage box (1) is communicated with the control box (3) through an oxygen conveying channel;
a plurality of independent oxygen release units are arranged in the oxygen storage tank (1), and the oxygen release units are used for generating oxygen and providing the oxygen to the current environment;
the control box (3) is provided with a control unit, the control unit controls the oxygen release unit to prepare pure oxygen according to the detected oxygen concentration, and oxygen is supplied to the closed space through the oxygen conveying channel.
2. The intelligent group oxygen release device according to claim 1, wherein: each independent oxygen release unit at least comprises an oxygen candle (2) and an oxygen candle base (12), the oxygen candle base (12) is arranged in the oxygen storage box (1), and the oxygen candle base (12) is connected with a weighing sensor (13); oxygen candle (2) are fixed in on weighing sensor (13), just oxygen candle (2) include the oxygen candle main part, the bottom of oxygen candle main part has one and holds the cavity, should hold and be provided with an initiator that triggers oxygen candle main part release oxygen in the cavity, the initiator with the control unit is connected.
3. The intelligent group oxygen release device according to claim 2, wherein: the initiator at least comprises an initiator base (14) and an oxygen candle initiating contact (17), the oxygen candle initiating contact (17) is arranged on the oxygen candle main body, an electric fire cap (15) is arranged on the initiator base (14), the electric fire cap (15) is inconsistent with the oxygen candle initiating contact (17) through a positioning block (16) and initiates oxygen candle main body release oxygen.
4. The intelligent group oxygen release device according to claim 3, wherein: the control unit at least comprises a control host and a control panel, the control host is arranged in the box body of the control box (3), and the control panel is arranged on the outer side of the box door of the control box (3); the control host is controlled by a microprocessor, and the microprocessor is connected with the control panel; and the weighing sensor (13) is connected with the input end of the control panel, and the output end of the control panel is connected with the electric fire cap (15).
5. The intelligent group oxygen release device according to claim 3, wherein: the oxygen-enriched air purifier is characterized in that a display screen (10), a gas analyzer (11), a power switch (7), a mode conversion button (8) and an oxygen deficiency alarm indicator lamp (6) are arranged on the control panel, the display screen can display the oxygen concentration in the closed space monitored by the gas analyzer (11), and the display screen, the gas analyzer (11), the power switch (7), the mode conversion button (8) and the oxygen deficiency alarm indicator lamp (6) are all connected with a control host.
6. The intelligent group oxygen release device according to claim 3, wherein: the control panel is also provided with a plurality of manual initiators (9), and the electric fire cap (15) of each oxygen candle (2) is correspondingly connected with one manual initiator (9).
7. The intelligent group oxygen release device according to claim 1, wherein: and a heat radiation fan (4) is arranged in the oxygen conveying channel, and the heat radiation fan (4) is connected with the control unit.
8. The intelligent group oxygen release device according to claim 1, wherein: the four corners of the bottom of the machine body are provided with trundles, the trundles are universal wheels, and foot brakes are arranged on the trundles.
9. The intelligent group oxygen release device according to claim 4, wherein: still be provided with stand-by power supply in control box (3) box, stand-by power supply and control host computer electric connection.
10. An operating method of an intelligent group oxygen discharging device, at least comprising the intelligent group oxygen discharging device of any one of claims 1-9, characterized in that the operating method comprises the following steps: randomly putting oxygen candles (2) into an oxygen storage box (1), pressing a power switch (7) to switch on a power supply, and setting an upper limit value and a lower limit value of oxygen concentration on a control panel; the gas analyzer (11) is electrified to automatically monitor and analyze the oxygen concentration of the closed space and convert the oxygen concentration into an electric signal to be transmitted to the control panel, meanwhile, the weighing sensor (13) also converts the weight of each corresponding oxygen candle (2) into an electric signal to be transmitted to the control panel, and the using state of each oxygen candle can be judged according to the weight value; when the gas analyzer (11) monitors that the oxygen concentration in the closed space is lower than a lower limit value, the oxygen deficiency alarm indicator lamp (6) flickers, and the control unit sends a starting signal and triggers the oxygen candle (2) to combust to generate oxygen after judging the effective oxygen candle (2) according to a transmission signal of the weighing sensor (13); meanwhile, the control unit starts the heat radiation fan (4); and when the gas analyzer (11) monitors that the oxygen concentration in the closed space reaches or is higher than an upper limit value, the oxygen candle (2) is stopped to be ignited, and the cooling fan (4) is turned off.
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| CN118373385A (en) * | 2024-06-25 | 2024-07-23 | 山西岸流科技有限公司 | Oxygen generator with controllable solid oxygen source in oxygen production process stage |
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