CN105423504A - Explosion-proof air conditioner and control method thereof - Google Patents
Explosion-proof air conditioner and control method thereof Download PDFInfo
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- CN105423504A CN105423504A CN201510796532.5A CN201510796532A CN105423504A CN 105423504 A CN105423504 A CN 105423504A CN 201510796532 A CN201510796532 A CN 201510796532A CN 105423504 A CN105423504 A CN 105423504A
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- gas
- explosion
- proof air
- abnormal
- control terminal
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
Abstract
The invention discloses an explosion-proof air conditioner. The explosion-proof air conditioner comprises an indoor unit, an outdoor unit and a control terminal, wherein the indoor unit is connected with the outdoor unit through a connecting pipe, the indoor unit is connected with the control terminal through a communication converter, the indoor unit comprises a gas detection device, the gas detection device comprises a combined gas sensor, a feedback controller and an alarm device, the combined gas sensor is respectively connected with the feedback controller and the alarm device, the feedback controller is connected with the communication converter, and data communication is achieved between the feedback controller and the control terminal through the communication converter. The invention also provides a control method of the explosion-proof air conditioner. By adopting the explosion-proof air conditioner and the control method thereof provided by the invention, the type and the concentration of indoor abnormal gas are detected, the processes of multi-gear alarm and abnormal data uploading to the control terminal are completed, the control terminal can remotely monitor the indoor state and know the abnormal condition in time, and the information is timely and efficiently processed.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly, relate to a kind of explosion-proof air-conditioner and control method thereof.
Background technology
At present, air-conditioning is as the instrument regulating mankind's living circumstance, become indispensable electrical equipment, but in petrochemical industry, medicine food, offshore platform, the environment such as space flight and aviation engineering and military project need refrigeration equally and heat, along with social safety prevention awareness improves, the continuous rising of productivity, the high, refined, peak products marketization, scale, these industries require rigorous all the more to Temperature and Humidity Control, but these essential industry departments, because its Workplace may exist flammable explosive gas, if adopt normal domestic use air-conditioning, can because of the electric spark of existence or high temperature, damp may be ignited, thus generation explosion accident, casualties can be produced, factory building, the serious consequence of device damage, therefore explosion-proof air-conditioner arises at the historic moment.
Two necessary conditions that blast occurs: flammable explosive gas and incendiary source, for incendiary source, the namely easy electric spark produced of air-conditioning itself, high temperature, existing product is generally by composite anti-explosion technical finesse control of product case and whole electric elements, comprise flame proof, encapsulation, intrinsic safety, no-spark, increase the multiple technologies such as peace, that studies is very deep, but for the control of flammable explosive gas, can the explosion-proof air-conditioner of flammable explosive gas kind and concentration not particularly also a lot of in sensing chamber, and it is single to detect gaseous species, the external world is difficult to just to know indoor situations when not entering room in advance and be judged, carry out decision-making, so that delayed even the having little time of message is saved.
So, be necessary to make further improvements above-mentioned explosion-proof air-conditioner, to avoid above-mentioned defect.
Summary of the invention
The technical problem that detection gaseous species is single and message is delayed thus cause poor safety performance is there is in order to solve above-mentioned explosion-proof air-conditioner, the invention provides a kind of explosion-proof air-conditioner and control method thereof, have and detect the advantage that gaseous species enriches, message is timely, process is efficient and security performance is good.
The invention provides a kind of explosion-proof air-conditioner, described explosion-proof air-conditioner comprises indoor set, off-premises station and control terminal, described indoor set is connected by tube connector with described off-premises station, described indoor set is connected with described control terminal by communication converter, described indoor set comprises gas-detecting device, described gas-detecting device comprises composite gas sensor, feedback controller and warning device, described composite gas sensor is connected with described feedback controller and described warning device respectively, described feedback controller is connected with described communication converter, data communication is realized by described communication converter and described control terminal, wherein,
Described composite gas sensor, for gaseous state in sensing chamber, analyzes kind and the concentration of abnormal gas, the data of abnormal gas is sent to described feedback controller simultaneously when abnormal gas appears in indoor;
The data of described abnormal gas, for receiving the data of the abnormal gas of described composite gas sensor, are sent back described control terminal by described feedback controller simultaneously;
Described warning device, reports to the police when there is abnormal gas for indoor.
In a kind of preferred embodiment of explosion-proof air-conditioner provided by the invention, described abnormal gas refers to one or more flammable explosive gas.
In a kind of preferred embodiment of explosion-proof air-conditioner provided by the invention, described flammable explosive gas comprise in alkanes, acetylene, toluene, natural gas, liquefied gas and coal gas any one.
In a kind of preferred embodiment of explosion-proof air-conditioner provided by the invention, described indoor set also comprises blower fan and return air inlet, and described composite gas sensor is located between described blower fan and described return air inlet.
In a kind of preferred embodiment of explosion-proof air-conditioner provided by the invention, described composite gas sensor comprises the timing detection device and continuous detection apparatus that are set up in parallel, described timing detection device is for gaseous state in timing sensing chamber during gas without exception, and described continuous detection apparatus is used for abnormal gas and occurs gaseous state in rear continuous sensing chamber.
In a kind of preferred embodiment of explosion-proof air-conditioner provided by the invention, described warning device comprises the first grade of alarm unit, second gear alarm unit and the third gear alarm unit that are connected successively.
In a kind of preferred embodiment of explosion-proof air-conditioner provided by the invention, described first grade of alarm unit comprises warning lamp and the buzzer of electrical connection, carries out one grade of warning when occurring for abnormal gas, and flicker is buzzer warning also; Described second gear alarm unit comprises the gauge tap be electrically connected with described blower fan, and the half that the concentration for abnormal gas exceedes explosion limit carries out two gear warnings, and automatically cuts off the fan power of described explosion-proof air-conditioner; Described third gear alarm unit comprises the control valve be connected with the power electric of described explosion-proof air-conditioner, carries out three gear warnings when the concentration for abnormal gas reaches explosion limit, and automatically cuts off the power supply of described explosion-proof air-conditioner.
In a kind of preferred embodiment of explosion-proof air-conditioner provided by the invention, described control terminal comprises the receiving element, display unit and the notification unit that connect successively, described receiving element is for receiving the data of the abnormal gas of described feedback controller, the kind of abnormal gas and concentration in display room when described display unit is for occurring abnormal gas, described notification unit carries out decision-making for the data notifying described control terminal and show according to described display unit.
In a kind of preferred embodiment of explosion-proof air-conditioner provided by the invention, described notification unit comprises the bullet screen notifying device, voice notification device and the SMS notification device that are set up in parallel.
The present invention also provides a kind of control method of explosion-proof air-conditioner, comprising:
Step one, detection are analyzed: provide composite gas sensor and feedback controller, when there is abnormal gas in indoor, the continuous detection apparatus of described composite gas sensor enters continuous detected state, in analysis room, the data of abnormal gas are sent to described feedback controller by the kind of abnormal gas and concentration simultaneously;
Step 2, reception transmit: provide control terminal, and described feedback controller receives the data of abnormal gas, the data of described abnormal gas is sent back described control terminal simultaneously;
Step 3, many grades of warnings: warning device is provided, when indoor abnormal gas occurs, described warning device starts to carry out many grades of warnings;
Step 4, to make decisions: provide control terminal, described control terminal receives the data of described abnormal gas, make decisions according to the kind of abnormal gas and concentration.
Compared to prior art, explosion-proof air-conditioner provided by the invention and control method thereof have following beneficial effect:
One, the present invention is by adopting gaseous state in gas-detecting device sensing chamber, and complete many grades and to report to the police and abnormal data is uploaded to the process of control terminal, control terminal also can learn abnormal conditions by remote monitoring indoor design condition in time, and message is timely, and process is efficient.
Two, the present invention adopts composite gas sensor, can detect kind and the concentration of gas when flammable explosive gas occurs, facilitates control terminal to make corresponding decision for the flammable explosive gas of variety classes variable concentrations, pointed and high efficiency.
Three, warning device provided by the invention, can many grades of warnings, just report to the police from flammable explosive gas occurs, for the concentration of flammable explosive gas, before control terminal makes decisions, just can automatically take compulsory settlement measure, reduce the seriousness of consequence as far as possible, improve security performance.
Four, control terminal provided by the invention supports multiple advice method, guarantees accurately and timely to notify person liable by bullet screen, voice and short message mode.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of explosion-proof air-conditioner one embodiment provided by the invention;
Fig. 2 is the structural representation of the gas-detecting device of the explosion-proof air-conditioner shown in Fig. 1;
Fig. 3 is the structured flowchart of the composite gas sensor of the gas-detecting device of the explosion-proof air-conditioner shown in Fig. 2;
Fig. 4 is the structured flowchart of the warning device of the gas-detecting device of the explosion-proof air-conditioner shown in Fig. 2;
Fig. 5 is the structured flowchart of the control terminal of the explosion-proof air-conditioner shown in Fig. 1;
Fig. 6 is the flow chart of control method one embodiment of explosion-proof air-conditioner provided by the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Referring to Fig. 1, is the structural representation of explosion-proof air-conditioner one embodiment provided by the invention.Described explosion-proof air-conditioner 1 comprises off-premises station 11, tube connector 13, indoor set 15, communication converter 17 and control terminal 19.Described off-premises station 11 is connected by described tube connector 13 with described indoor set 15, and described indoor set 15 is connected with described control terminal 19 by described communication converter 17.
Please refer to Fig. 2, it is the structural representation of the gas-detecting device of the explosion-proof air-conditioner shown in Fig. 1.Described indoor set 15 comprises gas-detecting device 151, described gas-detecting device 151 comprises composite gas sensor 1511, feedback controller 1513 and warning device 1515, described composite gas sensor 1511 is connected with described feedback controller 1513 and described warning device 1515 respectively, described feedback controller 1513 is connected with described communication converter 17, data communication is realized, remote monitoring with described control terminal 19 by described communication converter 17.
Described indoor set 15 comprises blower fan (not shown) and return air inlet (not shown), and described composite gas sensor 1511 is located between described blower fan and described return air inlet.Described composite gas sensor 1511, for gaseous state in sensing chamber, kind and the concentration of abnormal gas is analyzed when abnormal gas appears in indoor, the data of abnormal gas are sent to described feedback controller 1513 simultaneously, described abnormal gas refers to one or more flammable explosive gas, described flammable explosive gas comprise in alkanes, acetylene, toluene, natural gas, liquefied gas and coal gas any one.By described composite gas sensor 1511, the concentration of described abnormal gas can not only be detected, the kind of abnormal gas can also be analyzed simultaneously, facilitate described control terminal 19 to make corresponding decision, pointed and high efficiency.
Incorporated by reference to consulting Fig. 3, it is the structured flowchart of the composite gas sensor of the gas-detecting device of the explosion-proof air-conditioner shown in Fig. 2.Described composite gas sensor 1511 comprises the timing detection device 15111 and continuous detection apparatus 15113 that are set up in parallel, described timing detection device 15111 is for gaseous state in timing sensing chamber during gas without exception, and described continuous detection apparatus 15113 occurs gaseous state in rear sensing chamber continuously for abnormal gas.Described continuous detection apparatus 15113 continuously can detect the composition of abnormal gas, to avoid, due to the change in concentration that personnel enter, outstanding leakage, variations in temperature etc. cause abnormal gas, affecting decision-making.
The data of described abnormal gas, for receiving the data of the abnormal gas of described composite gas sensor 1511, are sent back described control terminal 19 by described feedback controller 1513 simultaneously.
Referring to Fig. 4, is the structured flowchart of the warning device of the gas-detecting device of the explosion-proof air-conditioner shown in Fig. 2.Described warning device 1515, for carrying out many grades of warnings when abnormal gas appears in indoor.
Described warning device 1515 comprises the first grade of alarm unit 15151, second gear alarm unit 15153 and the third gear alarm unit 15155 that are connected successively, described first grade of alarm unit 15151 comprises warning lamp and the buzzer of electrical connection, carry out one grade of warning when occurring for abnormal gas, flicker is buzzer warning also; Described second gear alarm unit 15153 comprises the gauge tap be electrically connected with described blower fan, and the half that the concentration for abnormal gas exceedes explosion limit carries out two gear warnings, automatically cuts off the fan power of described explosion-proof air-conditioner; Described third gear alarm unit 15155 comprises the control valve be connected with the power electric of described explosion-proof air-conditioner 1, carries out three gear warnings when the concentration for abnormal gas reaches explosion limit, automatically cuts off the power supply of described explosion-proof air-conditioner 1.Three gear type of alarms taked by described warning device 1515, just can report to the police from the gas that notes abnormalities, simultaneously along with the concentration of abnormal gas increases, continuous upgrading processing means, before described control terminal 19 does not also make decisions, automatic forced solves, in case consequence is serious, has little time to save.
Referring to Fig. 5, is the structured flowchart of the control terminal of the explosion-proof air-conditioner shown in Fig. 1.Described control terminal 19 comprises the receiving element 191, display unit 193 and the notification unit 195 that are electrically connected successively, described receiving element 191 is for receiving the data of the abnormal gas of described feedback controller 1513, the kind of abnormal gas and concentration in display room when described display unit 193 is for occurring abnormal conditions, described notification unit 195 carries out decision-making for the data notifying described control terminal 19 and show according to described display unit 191.Described notification unit 195 comprises bullet screen notifying device, voice notification device and SMS notification device, and various ways guarantees that person liable goes and finds out what's going on, and makes decisions in time, alleviates the hysteresis quality of message.
Referring to Fig. 6, is the flow chart of control method one embodiment of explosion-proof air-conditioner provided by the invention.The control method of described explosion-proof air-conditioner 1, comprises the following steps:
Step S1, detection are analyzed: provide composite gas sensor 1511 and feedback controller 1513, when there is abnormal gas in indoor, the continuous detection apparatus 15111 of described composite gas sensor 1511 enters continuous detected state, in analysis room, the data of abnormal gas are sent to described feedback controller 1513 by the kind of abnormal gas and concentration simultaneously;
Step S2, reception transmit: provide control terminal 19, described feedback controller 1513 receives the data of abnormal gas, the data of abnormal gas is sent back described control terminal 19 simultaneously;
Step S3, many grades of warnings: warning device 1515 is provided, when indoor abnormal gas occurs, described warning device 1515 starts to carry out many grades of warnings;
Particularly, when abnormal gas starts to occur, described first grade of alarm unit 15151 carries out one grade of warning, and flicker is buzzer warning also, reminds described control terminal 19; If described control terminal 19 does not also make a policy, the concentration of abnormal gas constantly raises, exceed a half of explosion limit, described second gear alarm unit 15153 carries out two gear warnings, automatically cut off the fan power of described explosion-proof air-conditioner 1 by described gauge tap, slow down the speed that abnormal gas enters described explosion-proof air-conditioner 1; If described control terminal 19 makes a policy not yet, when the concentration of abnormal gas reaches explosion limit, then described third gear alarm unit 15155 carries out three gear warnings, is automatically cut off the power supply of described explosion-proof air-conditioner 1 by described control valve, stops the work of described explosion-proof electrical source 1;
Step S4, to make decisions: described control terminal 19 receives the data of described abnormal gas, make decisions according to the kind of abnormal gas and concentration.
Particularly, described control terminal 19 can know the situation of the abnormal gas of described explosion-proof air-conditioner by multiple advice method, comprise kind and concentration, and carry out decision-making according to known state, deal with, and prevent disasters generation.
Explosion-proof air-conditioner provided by the invention and control method thereof have following beneficial effect:
One, the present invention is by adopting gaseous state in described gas-detecting device 151 sensing chamber, and complete many grades and to report to the police and abnormal data is uploaded to the process of described control terminal 19, described control terminal 19 also can learn abnormal conditions by remote monitoring indoor design condition in time, and message is timely, and process is efficient.
Two, the present invention adopts described composite gas sensor 1511, kind and the concentration of gas can be detected when flammable explosive gas occurs, described control terminal 19 is facilitated to make corresponding decision for the flammable explosive gas of variety classes variable concentrations, pointed and high efficiency.
Three, described warning device 1515 provided by the invention, can many grades of warnings, just report to the police from flammable explosive gas occurs, for the concentration of flammable explosive gas, before described control terminal 19 makes decisions, just can automatically take compulsory settlement measure, reduce the seriousness of consequence as far as possible.
Four, described control terminal 19 provided by the invention supports multiple advice method, guarantees accurately and timely to notify person liable by bullet screen, voice and short message mode.
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 (10)
1. an explosion-proof air-conditioner, comprise indoor set, off-premises station and control terminal, described indoor set is connected by tube connector with described off-premises station, described indoor set is connected with described control terminal by communication converter, it is characterized in that, described indoor set comprises gas-detecting device, described gas-detecting device comprises composite gas sensor, feedback controller and warning device, described composite gas sensor is connected with described feedback controller and described warning device respectively, described feedback controller is connected with described communication converter, data communication is realized by described communication converter and described control terminal, wherein,
Described composite gas sensor, for gaseous state in sensing chamber, analyzes kind and the concentration of abnormal gas, the data of abnormal gas is sent to described feedback controller simultaneously when abnormal gas appears in indoor;
The data of described abnormal gas, for receiving the data of the abnormal gas of described composite gas sensor, are sent back described control terminal by described feedback controller simultaneously;
Described warning device, reports to the police when there is abnormal gas for indoor.
2. explosion-proof air-conditioner according to claim 1, is characterized in that, described abnormal gas refers to one or more flammable explosive gas.
3. explosion-proof air-conditioner according to claim 2, is characterized in that, described flammable explosive gas comprise in alkanes, acetylene, toluene, natural gas, liquefied gas and coal gas any one.
4. explosion-proof air-conditioner according to claim 1, is characterized in that, described indoor set also comprises blower fan and return air inlet, and described composite gas sensor is located between described blower fan and described return air inlet.
5. explosion-proof air-conditioner according to claim 1, it is characterized in that, described composite gas sensor comprises the timing detection device and continuous detection apparatus that are set up in parallel, described timing detection device is for gaseous state in timing sensing chamber during gas without exception, and described continuous detection apparatus is used for abnormal gas and occurs gaseous state in rear continuous sensing chamber.
6. explosion-proof air-conditioner according to claim 2, is characterized in that, described warning device comprises the first grade of alarm unit, second gear alarm unit and the third gear alarm unit that are connected successively.
7. explosion-proof air-conditioner according to claim 6, is characterized in that, described first grade of alarm unit comprises warning lamp and the buzzer of electrical connection, carries out one grade of warning when occurring for abnormal gas, and flicker is buzzer warning also; Described second gear alarm unit comprises the gauge tap be electrically connected with described blower fan, and the half that the concentration for abnormal gas exceedes explosion limit carries out two gear warnings, and automatically cuts off the fan power of described explosion-proof air-conditioner; Described third gear alarm unit comprises the control valve be connected with the power electric of described explosion-proof air-conditioner, carries out three gear warnings when the concentration for abnormal gas reaches explosion limit, and automatically cuts off the power supply of described explosion-proof air-conditioner.
8. explosion-proof air-conditioner according to claim 1, it is characterized in that, described control terminal comprises the receiving element, display unit and the notification unit that connect successively, described receiving element is for receiving the data of the abnormal gas of described feedback controller, the kind of abnormal gas and concentration in display room when described display unit is for occurring abnormal gas, described notification unit carries out decision-making for the data notifying described control terminal and show according to described display unit.
9. explosion-proof air-conditioner according to claim 8, is characterized in that, described notification unit comprises the bullet screen notifying device, voice notification device and the SMS notification device that are set up in parallel.
10. a control method for explosion-proof air-conditioner, is characterized in that, comprising:
Step one, detection are analyzed: provide composite gas sensor and feedback controller, when there is abnormal gas in indoor, the continuous detection apparatus of described composite gas sensor enters continuous detected state, in analysis room, the data of abnormal gas are sent to described feedback controller by the kind of abnormal gas and concentration simultaneously;
Step 2, reception transmit: provide control terminal, and described feedback controller receives the data of abnormal gas, the data of described abnormal gas is sent back described control terminal simultaneously;
Step 3, many grades of warnings: warning device is provided, when indoor abnormal gas occurs, described warning device starts to carry out many grades of warnings;
Step 4, to make decisions: provide control terminal, described control terminal receives the data of described abnormal gas, make decisions according to the kind of abnormal gas and concentration.
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| JP2019003451A (en) * | 2017-06-16 | 2019-01-10 | 三菱電機株式会社 | Observation system |
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Address after: 473499 No. 61, Xingda East Road, Tanghe County, Nanyang City, Henan Province Patentee after: Nanyang Zhongtong Intelligent Technology Group Co.,Ltd. Address before: 473024 Li He Xiang Fu Niu Nan Lu, Wancheng District, Nanyang City, Henan Province Patentee before: NANYANG ZHONGTONG EXPLOSION-PROOF MOTOR ELECTRIC APPLIANCE Co.,Ltd. |