The utility model content
The utility model embodiment provides a kind of gas alarm, be used for to solve the technical matters that the prior art gas alarm can not detect the on-site temperature parameter information of gas alarm and show described temperature parameter information, realized in the concentration parameter information that detects gas concentration and satisfying the first pre-conditioned technique effect that detects the on-site temperature parameter information of described gas alarm and show when sending alerting signal.
Gas alarm among the utility model embodiment comprises: first detection module is used for the concentration parameter information that obtains to be used for characterizing a gas concentration by detecting; The second detection module is used for obtaining to be used for characterizing the on-site temperature parameter information of described gas alarm by detecting; Controller, be connected and the connection of described the second detection module with described first detection module, be used for receiving described concentration parameter information, and pre-conditioned based on one, it is one pre-conditioned to judge that whether described concentration parameter information satisfy, satisfy describedly when pre-conditioned in described concentration parameter information, generate an alarm command; Alarm unit is connected with described controller, is used for receiving and carrying out described alarm command, output alarm signal; Display unit is connected with described controller, is used for receiving and showing described temperature parameter information.
Preferably, the information that described gas alarm is relevant is specially: the on-site temperature parameter information of the concentration parameter of CO gas and carbon monoxide alarm.
Preferably, described first detection module specifically comprises: sensor is used for obtaining first simulating signal corresponding with described gas concentration; Amplifier is connected with described sensor, is used for amplifying described the first simulating signal, obtains the second simulating signal; One analog-to-digital conversion device links to each other with described amplifier, is used for described the second simulating signal is converted into digital signal.
Preferably, described first detection module is specially: electrochemical sensor; Or half conductive gas sensor; Or infrared sensor; Or catalytic combustion type gas sensor.
Preferably, described the second detection module is specially contact type temperature sensor or noncontact temp. type sensor.
Preferably, described gas alarm also comprises: a vent fan, be connected with described controller, and be used for after the exhaust instruction that receives from described controller, by carrying out described exhaust instruction, so that the gas in the space, described gas alarm place is discharged.
Preferably, described gas alarm also comprises: an input block, be connected with described controller, be used for the input inquiry conditional information, described controller can based on the described querying condition information of input, obtain concentration parameter information and/or the temperature parameter information corresponding with described querying condition information from described concentration parameter information and/or described temperature parameter information.
Preferably, described alarm unit is specially acoustical generator, or the LED lamp.
The one or more technical schemes that provide in the embodiment of the present application have following technique effect or advantage at least:
1, inserts temperature detection and display module owing to having adopted in the gas alarm in the prior art, efficiently solve the technical matters that gas alarm of the prior art can not detect the on-site temperature of gas alarm and show described temperature, and then realized when detecting gas concentration and satisfying a pre-conditioned warning, detecting the on-site temperature of described gas alarm and the technique effect that shows.
2, insert input block owing to having adopted in the gas alarm in the prior art, efficiently solve gas alarm of the prior art and can not inquire about the concentration parameter information of gas concentration and the technical matters of the on-site temperature parameter information of alarm, and then realized the concentration parameter information of the gas concentration that simultaneously inquiry detects and the technique effect of the on-site temperature parameter information of gas alarm.
Embodiment
Gas alarm among the utility model embodiment comprises: first detection module is used for the concentration parameter information that obtains to be used for characterizing a gas concentration by detecting; The second detection module is used for obtaining to be used for characterizing the on-site temperature parameter information of described gas alarm by detecting; Controller, be connected and the connection of described the second detection module with described first detection module, be used for receiving described concentration parameter information, and pre-conditioned based on one, it is one pre-conditioned to judge that whether described concentration parameter information satisfy, satisfy describedly when pre-conditioned in described concentration parameter information, generate an alarm command; Alarm unit is connected with described controller, is used for receiving and carrying out described alarm command, output alarm signal; Display unit is connected with described the second detection module controller, is used for receiving and showing described temperature parameter information.Insert temperature detection and display module, efficiently solve the technical matters that gas alarm of the prior art can not detect the on-site temperature of gas alarm and show described temperature, realized when detecting gas concentration and satisfying a pre-conditioned warning, detecting the on-site temperature of described gas alarm and the technique effect that shows.
Referring to Fig. 1, the gas alarm among the utility model embodiment can comprise first detection module 101, the second detection module 102, controller 103, alarm unit 104 and display unit 105.Preferably, the described gas alarm among the utility model embodiment can be carbon monoxide alarm.Described gas alarm can also comprise vent fan 106 and input block 107.
First detection module 101 can be for the concentration parameter information that is used for characterizing a gas concentration by detecting acquisition.
First detection module 101 can detect the first concentration of CO in Air, and described the first concentration that detects can be converted to electric signal.Among the utility model embodiment, first detection module 101 specifically can be electrochemical sensor, half conductive gas sensor or catalytic combustion type gas sensor etc.
Described carbon monoxide alarm is that the concentration by sensor sensing CO in Air gas is transformed into electric signal, and the size of electric signal is relevant with the concentration of carbon monoxide.Carbon monoxide alarm is classified by employed sensor, generally be divided into semiconductor carbon monoxide alarm, galvanochemistry carbon monoxide alarm, Infrared Carbon Monoxide Detection instrument etc., from measuring sensitivity, precision, stability, the interference of anti-intersection gas, what performance was best is the Infrared Carbon Monoxide Detection instrument, but relatively more expensive, be fit to laboratory or industrial application, civilian semiconductor carbon monoxide alarm and the galvanochemistry carbon monoxide alarm of being generally.
For example, the semiconductor carbon monoxide alarm adopts the semi-conductor type carbon monoxide transducer as sensitive element, require its sensitive element constant temperature when 200 ℃ of left and right sides, can respond fast, therefore will increase electric-heating-wire-heating to it, so larger electric current will be provided, accurately measurement is very unfavorable to it greatly when temperature, humidity even wind change, be exactly that the intersection that is subject to easily other gas is disturbed in addition, such as the interference of the gases such as alcohol, oxides of nitrogen, hydrogen, alkanes, easily wrong report, but it is inexpensive.The normal operation life-span can reach 5 years.
The galvanochemistry carbon monoxide alarm adopts the zero-power electrochemical carbon monoxide sensor as sensitive element, mostly adopt the constant potentiometric electrolysis principle in the electrochemical process, utilize constant potentiometric electrolysis to carry out the redox electrochemical reaction, detect the concentration that dissufion current just can draw CO gas, and good linear measurement range and very high selectivity are arranged, and anti-intersection gas interference performance is also very strong.Electrochemical carbon monoxide sensor is the zero-power type, need not heating, is fit to very much cooperate the testing circuit of low-power consumption to adopt powered battery, makes carbonomonoxide concentration table, portable carbon monoxide alarm etc.The electrochemical carbon monoxide sensor long term exposure can affect its sensitivity and life-span in the pungency solvents such as oxygenless gas sample, alcohol, paint, even can lose efficacy.The aerial use of electrochemical carbon monoxide sensor is generally 3 years, also has 5 years, and longer reach more than 8 years.
For example can select battery powered galvanochemistry carbon monoxide alarm, its rate of false alarm is low, and is low in energy consumption, even and mains failure do not affect use yet.
The second detection module 102 can be used for obtaining to be used for characterizing the on-site temperature parameter information of described gas alarm by detecting;
The utility model embodiment can be for detection of the on-site temperature of reporting to the police, and the second detection module 102 is temperature sensor and and amplifying circuit and analog to digital conversion circuit.Described temperature sensor is specifically as follows contact type temperature sensor, non-contact temperature sensor.Specifically comprise thermistor, thermopair, digital temperature sensor etc.
The second detection module 102 of described carbon monoxide alarm is by described temperature sensor the temperature concentration signal to be transformed into electric signal, and the size of electric signal is relevant with the temperature height.Use now widely temperature sensor, comprise thermistor temperature sensor, thermocouple temperature sensor, digital temperature sensor etc., wherein, digital temperature sensor precision height, high stability, little power consumption, error≤0.5%, performance is best in existing temperature sensor, but relatively more expensive, thermocouple temperature sensor, with regard to the required precision of household carbon monoxide alarm temperature detection, thermistor temperature sensor and thermocouple temperature sensor can satisfy the civilian demand of user.
For example, the utility model embodiment can adopt thermocouple temperature sensor as the second detection module 102, because described thermocouple temperature sensor measuring accuracy is high, measurement range is wide, simple structure, practical and convenient, thermocouple temperature sensor adopts the conductor of two kinds of different materials or semiconductor A and B to weld to consist of a loop, utilize thermoelectric effect work usually.Increase the pulpit that compensating wire extends to the free end of thermocouple temperature sensor temperature stabilization during use.When adopting modification method compensation free end temperature to be not equal to zero degrees celsius on the impact of thermometric process.To connect the impact that conductor resistance changes in order eliminating, must to adopt the three-wire system connection.
Controller 103 is connected with described first detection module 101 and the second detection module 102, can be used for receiving described concentration parameter information, and pre-conditioned based on one, it is one pre-conditioned to judge that whether described concentration parameter information satisfy, satisfy describedly when pre-conditioned in described concentration parameter information, generate an alarm command.
Controller 103 can receive the described concentration parameter information of first detection module 101, concrete, controller 103 can initiatively obtain described concentration parameter information from first detection module 101, perhaps first detection module 101 can be initiatively with described concentration parameter communication to controller 103.
For example, among the utility model embodiment, describedly pre-conditionedly can be: the corresponding concentration parameter value of described concentration parameter information be not less than the preset concentration parameter value.Concrete, can preset a preset concentration parameter value, when the corresponding described concentration parameter value of described concentration parameter information that detects when first detection module 101 is not less than described preset concentration parameter value, illustrate that the carbon monoxide in the surrounding environment exceeds standard, then can to determine that described concentration parameter information satisfies described pre-conditioned for controller 103, can generate described alarm command.
Controller 103 also is used for receiving the described temperature parameter information of the second detection module 102, concrete, to controller 103, process, the described temperature parameter information that generation can show by 103 pairs of described temperature parameter information of controller with described temperature parameter communication for the second detection module 102.
Concrete, the second detection module 102 can adopt non-SPI-bus analogue method to be connected with controller 103, and wherein, thermocouple sensor can be used as temperature sensor thermal signal is transformed into electric signal, electric signal amplifies through amplifying circuit again, and analog to digital conversion is input to controller 103 again.The analog-to-digital temperature parameter information of 103 pairs of processes of controller is carried out fast algorithm and is processed.
Alarm unit 104 is connected with described controller 103, can be used for receiving and carrying out described alarm command, output alarm signal.
Controller 103 can transfer to alarm module 103 with described alarm command after generating described alarm command, alarm module 104 can be carried out described alarm command after receiving described alarm command, with output alarm signal.
For example, alarm module 104 can be a loudspeaker, and when first detection module 101 notice alarm modules 104 were reported to the police, this loudspeaker can be sounded, with reminding user.For example, can set the warning duration, for example can set the warning duration is 5s, and then the sounding duration of loudspeaker can continue 5s.
Display unit 105 is connected with described controller 103, can be used for receiving and showing described temperature parameter information.
After 103 pairs of analog-to-digital temperature parameters of controller were processed, controller called display routine, was used for temperature parameter information is presented at display unit.
Vent fan 106 is connected with described controller 103, can be used for after the exhaust instruction that receives from described controller 103, by carrying out described exhaust instruction, so that the gas in the space, described gas alarm place is discharged.
Controller 103 is after generating described alarm command, can generate an exhaust instruction, perhaps when generating described alarm command, can generate described exhaust instruction, and described exhaust instruction can be sent to vent fan 106, to make vent fan 106 in time the gas in the space, described gas alarm place be discharged, avoid breaking down because of residual too much gas in the described gas alarm.
Input block 107 is connected with described controller 103, can be used for the input inquiry conditional information, described controller can based on the described querying condition information of input, obtain concentration parameter information and/or the temperature parameter information corresponding with described querying condition information from described concentration parameter information and/or described temperature parameter information.
For example, be " 〉=Z " and selection " concentration " button from input block 107 input inquiry conditions, described controller 102 receives described " 〉=Z " instructions, obtains concentration parameter information and relevant information more than or equal to Z ppm from memory module 104.And be presented on the display screen.Allow the user can check the concentration parameter information of certain limit.And for example, input block input inquiry condition is " 2012.01.01-2012.02.01; " and selection " temperature " button, described controller 102 receives described " 2012.01.01-2012.02.01 " instruction, from memory module 104, obtain the concentration parameter information of described ' 2012.01.01-2012.02.01 ' time period, and be presented on the display screen, allow the user can check the temperature information of this time period.
The one or more technical schemes that provide in the embodiment of the present application have following technique effect or advantage at least:
1, inserts temperature detection and display module owing to having adopted in the gas alarm in the prior art, efficiently solve the technical matters that gas alarm of the prior art can not detect the on-site temperature of gas alarm and show described temperature, and then realized when detecting gas concentration and satisfying a pre-conditioned warning, detecting the on-site temperature of described gas alarm and the technique effect that shows.
2, insert input block owing to having adopted in the gas alarm in the prior art, efficiently solve gas alarm of the prior art and can not inquire about the concentration parameter information of gas concentration and the technical matters of the on-site temperature parameter information of alarm, and then realized the concentration parameter information of the gas concentration that simultaneously inquiry detects and the technique effect of the on-site temperature parameter information of gas alarm.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.