CN113311268A - Method, device, equipment and medium for detecting service life of infrared emission tube - Google Patents
Method, device, equipment and medium for detecting service life of infrared emission tube Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 239000000779 smoke Substances 0.000 claims abstract description 78
- 238000001514 detection method Methods 0.000 claims abstract description 65
- 238000005070 sampling Methods 0.000 claims description 27
- 238000004891 communication Methods 0.000 claims description 20
- 238000004590 computer program Methods 0.000 claims description 17
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- 230000002159 abnormal effect Effects 0.000 description 1
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- 230000030279 gene silencing Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
Abstract
The invention discloses a method, a device, equipment and a medium for detecting the service life of an infrared transmitting tube, wherein the method comprises the following steps: in a smoke concentration detection period, a first operational amplifier circuit in an infrared emission tube is controlled to be opened, and a first voltage value of a pin of the infrared emission tube is collected; controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, and collecting a second voltage value of a pin of the infrared transmitting tube; determining a voltage difference value of the second voltage value and the first voltage value; and if the determined voltage difference value is smaller than a preset voltage difference threshold value, determining that the service life of the infrared emission tube is used up, otherwise determining that the service life of the infrared emission tube is not used up. The embodiment of the invention provides a service life detection scheme of an infrared transmitting tube, which eliminates potential safety hazards for long-term use customers.
Description
Technical Field
The invention relates to the technical field of fire-fighting wireless alarm, in particular to a method, a device, equipment and a medium for detecting the service life of an infrared transmitting tube.
Background
In recent years, researches show that the popularization of fire alarms can effectively reduce the loss caused by fire, and the smoke alarm has practical significance for preventing household fire and reducing the loss of fire, and is one of the most important means for fire alarm by detecting a large amount of smoke caused by fire.
The existing smoke alarm sold in the market at present integrates a smoke detection module (an infrared transmitting tube and an infrared receiving tube), a key silencing module, a wireless communication module, an alarm output module and the like, periodically detects the smoke concentration in the surrounding air, and performs alarm judgment. However, the infrared transmitting tube in the smoke alarm has a service life, and the commercially available smoke alarms do not have a function of detecting the service life of the infrared transmitting tube, so that a user cannot know whether the infrared transmitting tube of the smoke alarm has reached the maximum service life when using the smoke alarm. For a client who uses the electric appliance for a long time, certain potential safety hazards exist.
Disclosure of Invention
The embodiment of the invention provides a method, a device, equipment and a medium for detecting the service life of an infrared transmitting tube, which are used for solving the problems that a user cannot know whether the infrared transmitting tube of a smoke alarm reaches the maximum service life when using the smoke alarm, and certain potential safety hazards exist for long-term use customers.
The embodiment of the invention provides a method for detecting the service life of an infrared emission tube, which comprises the following steps:
in a smoke concentration detection period, a first operational amplifier circuit in an infrared emission tube is controlled to be opened, and a first voltage value of a pin of the infrared emission tube is collected; controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, and collecting a second voltage value of a pin of the infrared transmitting tube; determining a voltage difference value of the second voltage value and the first voltage value;
and if the determined voltage difference value is smaller than a preset voltage difference threshold value, determining that the service life of the infrared emission tube is used up, otherwise determining that the service life of the infrared emission tube is not used up.
Further, if the determined voltage difference value is smaller than a preset voltage difference threshold value, it is determined that the infrared emission tube is used up, otherwise, it is determined that the infrared emission tube is not used up, including:
and if the voltage difference values determined in the smoke concentration detection periods of the preset number are smaller than the preset voltage difference threshold value, determining that the service life of the infrared emission tube is used up, otherwise determining that the service life of the infrared emission tube is not used up.
Further, the controlling a first operational amplifier circuit in the infrared transmitting tube to be turned on, and acquiring a first voltage value of the pin of the infrared transmitting tube includes:
controlling a first operational amplifier circuit in an infrared transmitting tube to be opened, waiting for a preset first time length, and collecting a first voltage value of a pin of the infrared transmitting tube;
the control infrared emission tube in the second fortune circuit open, gather the second voltage value of infrared emission tube pin includes:
and controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, waiting for a preset second time length, and collecting a second voltage value of the pin of the infrared transmitting tube.
Further, the acquiring the first voltage value of the pin of the infrared emission tube includes:
continuously collecting a preset first number of voltage values of the infrared emission tube pins, and determining the average value of the first number of voltage values as the first voltage value;
the collecting of the second voltage value of the pin of the infrared emission tube comprises:
and continuously collecting the voltage values of the pins of the infrared emission tubes in a preset second number, and determining the average value of the voltage values in the second number as the second voltage value.
Further, if the determined voltage difference is not less than the preset voltage difference threshold, before the infrared emission tube is determined to be not used up, the method further comprises:
controlling a first operational amplifier circuit in the infrared transmitting tube to be opened, and recording first time; after a second voltage value of the pin of the infrared transmitting tube is collected, continuously sampling the voltage value of the pin of the infrared receiving tube, closing the first operational amplifier circuit and the second operational amplifier circuit after sampling is finished, and recording second time; determining a time difference between the second time and the first time;
if the accumulated value of the determined time difference values in all the smoke concentration detection periods is smaller than the preset using time length of the infrared emission tube, determining that the service life of the infrared emission tube is not used up;
if the cumulative value of the time differences determined in all the smoke concentration detection periods is not less than the preset using time of the infrared emission tube, the method further comprises the following steps:
and determining that the service life of the infrared emission tube is used up.
In another aspect, an embodiment of the present invention provides an apparatus for detecting a lifetime of an infrared emission tube, where the apparatus includes:
the first acquisition module is used for controlling a first operational amplifier circuit in the infrared emission tube to be opened in a smoke concentration detection period and acquiring a first voltage value of a pin of the infrared emission tube; controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, and collecting a second voltage value of a pin of the infrared transmitting tube; determining a voltage difference value of the second voltage value and the first voltage value;
and the determining module is used for determining that the service life of the infrared transmitting tube is used up if the determined voltage difference value is smaller than a preset voltage difference threshold value, or determining that the service life of the infrared transmitting tube is not used up.
Further, the determining module is specifically configured to determine that the infrared emission tube is used up if the voltage difference values determined within a preset number of smoke concentration detection periods are all smaller than a preset voltage difference threshold value, and otherwise determine that the infrared emission tube is not used up.
Further, the first acquisition module is specifically configured to control a first operational amplifier circuit in the infrared emission tube to be turned on, wait for a preset first time period, and acquire a first voltage value of a pin of the infrared emission tube;
the first acquisition module is specifically used for controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, waiting for a preset second time length, and acquiring a second voltage value of the pin of the infrared transmitting tube.
Further, the first collecting module is specifically configured to continuously collect voltage values of a preset first number of pins of the infrared emission tube, and determine an average value of the first number of voltage values as the first voltage value;
the first acquisition module is specifically configured to continuously acquire a preset second number of voltage values of the pins of the infrared emission tubes, and determine an average value of the second number of voltage values as the second voltage value.
Further, the apparatus further comprises:
the second acquisition module is used for controlling a first operational amplifier circuit in the infrared transmitting tube to be opened and recording first time; after a second voltage value of the pin of the infrared transmitting tube is collected, continuously sampling the voltage value of the pin of the infrared receiving tube, closing the first operational amplifier circuit and the second operational amplifier circuit after sampling is finished, and recording second time; determining a time difference between the second time and the first time;
the determining module is further configured to determine that the infrared transmitting tube is not used up if the integrated value of the determined time difference values in all the smoke concentration detection periods is smaller than a preset using time length of the infrared transmitting tube;
the determining module is further configured to determine that the infrared transmitting tube is used up if the cumulative value of the determined time difference values in all the smoke concentration detection periods is not less than a preset using time of the infrared transmitting tube.
In another aspect, an embodiment of the present invention provides an electronic device, including a processor, a communication interface, a memory, and a communication bus, where the processor, the communication interface, and the memory complete mutual communication through the communication bus;
a memory for storing a computer program;
a processor for implementing any of the above method steps when executing a program stored in the memory.
In yet another aspect, an embodiment of the present invention provides a computer-readable storage medium, in which a computer program is stored, and the computer program, when executed by a processor, implements the method steps of any one of the above.
The embodiment of the invention provides a method, a device, equipment and a medium for detecting the service life of an infrared emission tube, wherein the method comprises the following steps: in a smoke concentration detection period, a first operational amplifier circuit in an infrared emission tube is controlled to be opened, and a first voltage value of a pin of the infrared emission tube is collected; controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, and collecting a second voltage value of a pin of the infrared transmitting tube; determining a voltage difference value of the second voltage value and the first voltage value; and if the determined voltage difference value is smaller than a preset voltage difference threshold value, determining that the service life of the infrared emission tube is used up, otherwise determining that the service life of the infrared emission tube is not used up.
In the embodiment of the invention, in a smoke concentration detection period, after the electronic equipment controls the first operational amplifier circuit in the infrared emission tube to be opened, the first voltage value of the pin of the infrared emission tube is acquired. And after controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, acquiring a second voltage value of the pin of the infrared transmitting tube. And then judging whether the service life of the infrared emission tube is used up or not according to the voltage difference value between the second voltage value and the first voltage value and the estimated voltage difference threshold value. And if the determined voltage difference value is smaller than the preset voltage difference threshold value, determining that the service life of the infrared emission tube is used up, otherwise, determining that the service life of the infrared emission tube is not used up. The embodiment of the invention provides a service life detection scheme of an infrared transmitting tube, which eliminates potential safety hazards for long-term use customers.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced 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 based on these drawings without creative efforts.
Fig. 1 is a schematic view of a process for detecting the lifetime of an infrared emission tube according to embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of a process for detecting the lifetime of an IR-emitting tube according to embodiment 5 of the present invention;
fig. 3 is a schematic structural diagram of an infrared emitter tube life detection apparatus provided in embodiment 6 of the present invention;
fig. 4 is a schematic structural diagram of an electronic device provided in embodiment 7 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the attached drawings, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
fig. 1 is a schematic view of a process for detecting the lifetime of an infrared emission tube according to an embodiment of the present invention, where the process includes the following steps:
s101: in a smoke concentration detection period, a first operational amplifier circuit in an infrared emission tube is controlled to be opened, and a first voltage value of a pin of the infrared emission tube is collected; controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, and collecting a second voltage value of a pin of the infrared transmitting tube; determining a voltage difference value of the second voltage value and the first voltage value.
S102: and if the determined voltage difference value is smaller than a preset voltage difference threshold value, determining that the service life of the infrared emission tube is used up, otherwise determining that the service life of the infrared emission tube is not used up.
The method for detecting the service life of the infrared transmitting tube is applied to electronic equipment, and the electronic equipment can be equipment such as a PC (personal computer), a tablet personal computer and the like.
The infrared transmitting tube comprises two operational amplifier circuits, and in a smoke concentration detection period, the two operational amplifier circuits need to be controlled to be sequentially opened and then smoke concentration detection is carried out. In the embodiment of the invention, the operational amplifier circuit which is turned on first is called a first operational amplifier circuit, and the operational amplifier circuit which is turned on later is called a second operational amplifier circuit. In a smoke concentration detection period, the electronic equipment firstly controls a first operational amplifier circuit in the infrared emission tube to be opened, and at the moment, a first voltage value of a pin of the infrared emission tube is collected. And then controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, and acquiring a second voltage value of the pin of the infrared transmitting tube. And determining a voltage difference between the second voltage value and the first voltage value.
Because the infrared transmitting tube with normal function has larger voltage difference value between the second voltage value and the first voltage value, based on the consideration, the electronic equipment judges whether the voltage difference value is smaller than a preset voltage difference threshold value, if so, the function of the infrared transmitting tube is abnormal, the service life of the infrared transmitting tube is determined to be used up, otherwise, the service life of the infrared transmitting tube is determined to be not used up.
In the embodiment of the invention, in a smoke concentration detection period, after the electronic equipment controls the first operational amplifier circuit in the infrared emission tube to be opened, the first voltage value of the pin of the infrared emission tube is acquired. And after controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, acquiring a second voltage value of the pin of the infrared transmitting tube. And then judging whether the service life of the infrared emission tube is used up or not according to the voltage difference value between the second voltage value and the first voltage value and the estimated voltage difference threshold value. And if the determined voltage difference value is smaller than the preset voltage difference threshold value, determining that the service life of the infrared emission tube is used up, otherwise, determining that the service life of the infrared emission tube is not used up. The embodiment of the invention provides a service life detection scheme of an infrared transmitting tube, which eliminates potential safety hazards for long-term use customers.
Example 2:
in order to make the detection of the lifetime of the infrared emission tube more accurate, on the basis of the above embodiment, in the embodiment of the present invention, if the determined voltage difference is smaller than the preset voltage difference threshold, determining that the lifetime of the infrared emission tube is used up, otherwise determining that the lifetime of the infrared emission tube is not used up includes:
and if the voltage difference values determined in the smoke concentration detection periods of the preset number are smaller than the preset voltage difference threshold value, determining that the service life of the infrared emission tube is used up, otherwise determining that the service life of the infrared emission tube is not used up.
In order to avoid false detection caused by interference of accidental factors, in the embodiment of the invention, in a preset number of smoke concentration detection periods, voltage difference values between the second voltage value and the first voltage value are respectively determined, whether the voltage difference values determined in the preset number of smoke concentration detection periods are all smaller than a preset voltage difference threshold value is judged, if yes, the service life of the infrared emission tube is determined to be used up, and otherwise, the service life of the infrared emission tube is determined to be not used up. By adopting the mode of the embodiment of the invention, the false detection caused by the interference of accidental factors is avoided, and the service life of the infrared transmitting tube is more accurately detected.
It should be noted that, in the embodiment of the present invention, the preset number of smoke concentration detection periods may be discontinuous smoke concentration detection periods, and preferably, the preset number of smoke concentration detection periods are continuous smoke concentration detection periods.
Example 3:
to avoid the problem of inaccurate detection caused by unstable circuit, on the basis of the foregoing embodiments, in an embodiment of the present invention, the controlling a first operational amplifier circuit in an infrared transmitting tube to be turned on, and acquiring a first voltage value of a pin of the infrared transmitting tube includes:
controlling a first operational amplifier circuit in an infrared transmitting tube to be opened, waiting for a preset first time length, and collecting a first voltage value of a pin of the infrared transmitting tube;
the control infrared emission tube in the second fortune circuit open, gather the second voltage value of infrared emission tube pin includes:
and controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, waiting for a preset second time length, and collecting a second voltage value of the pin of the infrared transmitting tube.
In the embodiment of the invention, after a first operational amplifier circuit in an infrared emission tube is controlled to be turned on, a preset first time length is waited, wherein the preset first time length is 50 milliseconds for example, and then a first voltage value of a pin of the infrared emission tube is acquired. The function of waiting for the preset first time period is to wait for the circuit to be stable, so that the acquired first voltage value is more accurate.
And after controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, waiting for a preset second time length, wherein the preset second time length and the preset first time length can be the same or different. And then collecting a second voltage value of the pin of the infrared emission tube. The function of waiting for the preset second time period is also to wait for the circuit to be stable, so that the acquired second voltage value is more accurate.
According to the embodiment of the invention, the accuracy of the collected first voltage value and the second voltage value is improved, so that the service life of the infrared emission tube is more accurately detected.
Example 4:
in order to further improve the accuracy of detecting the lifetime of the infrared emission tube, on the basis of the foregoing embodiments, in an embodiment of the present invention, the acquiring the first voltage value of the pin of the infrared emission tube includes:
continuously collecting a preset first number of voltage values of the infrared emission tube pins, and determining the average value of the first number of voltage values as the first voltage value;
the collecting of the second voltage value of the pin of the infrared emission tube comprises:
and continuously collecting the voltage values of the pins of the infrared emission tubes in a preset second number, and determining the average value of the voltage values in the second number as the second voltage value.
In the embodiment of the invention, after a first operational amplifier circuit in the infrared emission tube is controlled to be opened, a preset first time length is waited, then the voltage values of the pins of the infrared emission tube with a preset first number are continuously collected, and the average value of the voltage values with the first number is determined as the first voltage value. Wherein the preset first number may be 10, 15, etc. The effect of determining the mean value of the first number of voltage values as the first voltage value is to make the determined first voltage value more accurate.
And after the second operational amplifier circuit in the infrared emission tube is controlled to be opened, waiting for a preset second time length, continuously acquiring the voltage values of the pins of the infrared emission tubes in a preset second number, and determining the average value of the voltage values in the second number as a second voltage value. Wherein the preset first number and the preset second number may be the same or different. The effect of determining the mean value of the second number of voltage values as the second voltage value is to make the determined second voltage value more accurate.
In the embodiment of the invention, the accuracy of the first voltage value and the second voltage value is further improved, so that the accuracy of detecting the service life of the infrared emission tube is further improved.
Example 5:
because each infrared transmitting tube has the preset using time of the infrared transmitting tube, even if the service life of the infrared transmitting tube is determined to be not used up through the voltage difference, if the using time of the infrared transmitting tube reaches the preset using time of the infrared transmitting tube, the infrared transmitting tube has larger potential functional abnormality hazard, and the service life of the infrared transmitting tube is still determined to be used up at the moment. Based on the above considerations, in the embodiments of the present invention, if the determined voltage difference is not less than the preset voltage difference threshold, before determining that the lifetime of the infrared emission tube is not used up, the method further includes:
controlling a first operational amplifier circuit in the infrared transmitting tube to be opened, and recording first time; after a second voltage value of the pin of the infrared transmitting tube is collected, continuously sampling the voltage value of the pin of the infrared receiving tube, closing the first operational amplifier circuit and the second operational amplifier circuit after sampling is finished, and recording second time; determining a time difference between the second time and the first time;
if the accumulated value of the determined time difference values in all the smoke concentration detection periods is smaller than the preset using time length of the infrared emission tube, determining that the service life of the infrared emission tube is not used up;
if the cumulative value of the time differences determined in all the smoke concentration detection periods is not less than the preset using time of the infrared emission tube, the method further comprises the following steps:
and determining that the service life of the infrared emission tube is used up.
In the embodiment of the invention, in each smoke concentration detection period from the first time of using the infrared transmitting tube, when a first operational amplifier circuit in the infrared transmitting tube is controlled to be opened, the first time is recorded, after a second voltage value of a pin of the infrared transmitting tube is collected, the voltage value of the pin of the infrared receiving tube is continuously sampled, after the sampling is finished, the first operational amplifier circuit and the second operational amplifier circuit are closed, the second time is recorded, and then the time difference value between the second time and the first time is determined. The time difference is the length of time used in the smoke concentration detection period. And determining the cumulative value of the time difference obtained from the first time of the use of the infrared emission tube to the current time, and determining that the service life of the infrared emission tube is not used up at the moment if the cumulative value of the time difference determined in all the smoke concentration detection periods is less than the preset using time length of the infrared emission tube and the service life of the infrared emission tube is determined to be not used up based on the voltage difference. And finally determining that the service life of the infrared emission tube is used up at the moment even if the service life of the infrared emission tube is determined to be not used up based on the voltage difference if the integrated value of the determined time differences in all the smoke concentration detection periods is not less than the preset service life of the infrared emission tube.
In the embodiment of the invention, the service life of the infrared transmitting tube is detected in two ways, when the service life of the infrared transmitting tube is shorter than the preset service life of the infrared transmitting tube and the voltage difference value is not smaller than the preset voltage difference threshold value, the service life of the infrared transmitting tube is determined not to be used up, otherwise, the service life of the infrared transmitting tube is determined to be used up. Thereby making the detection of the life of the infrared emission tube more accurate.
The embodiment of the invention provides a method for detecting the service life of an infrared transmitting tube, which realizes the effect of judging whether the service life of the infrared transmitting tube is used up or not by accumulating the service life of the infrared transmitting tube or sampling the voltage difference value delta V of the pin voltage of the infrared transmitting tube twice. The specific detection flow chart is shown in fig. 2, and includes the following steps:
s201: in a smoke concentration detection period, a first operational amplifier circuit in an infrared emission tube is controlled to be opened, a preset first time length is waited, a preset first number of voltage values of pins of the infrared emission tube are continuously collected, and the average value of the first number of voltage values is determined as the first voltage value.
S202: and controlling a second operational amplifier circuit in the infrared emission tube to be opened, waiting for a preset second time length, continuously collecting the voltage values of the pins of the infrared emission tube in a preset second number, and determining the average value of the voltage values in the second number as the second voltage value.
S203: if the voltage difference values determined in the smoke concentration detection periods of the preset number are smaller than the preset voltage difference threshold value, determining that the service life of the infrared emission tube is used up, otherwise, controlling a first operational amplifier circuit in the infrared emission tube to be opened, and recording first time; after a second voltage value of the pin of the infrared transmitting tube is collected, continuously sampling the voltage value of the pin of the infrared receiving tube, closing the first operational amplifier circuit and the second operational amplifier circuit after sampling is finished, and recording second time; and determining the time difference value between the second time and the first time, if the integrated value of the determined time difference values in all the smoke concentration detection periods is less than the preset using time length of the infrared emission tube, determining that the service life of the infrared emission tube is not used up, otherwise, determining that the service life of the infrared emission tube is used up.
After the smoke sensor collects the smoke concentration, the voltage difference value delta V at the pin of the infrared transmitting tube when the first operational amplifier circuit and the second operational amplifier circuit are opened is compared with a reasonable voltage difference value which is prestored in the electronic equipment (which can be an MCU), namely a voltage difference threshold value. If the delta V is larger than a reasonable voltage difference value preserved in the MCU in advance, the smoke sensation has the remaining service life; and if the delta V is smaller than the reasonable voltage difference value stored in the MCU in advance, rechecking the comparison result. And if the sampling results of 100 times of continuous sampling are all that the delta V is smaller than the reasonable voltage difference value stored in the MCU in advance, the service life of the sensor of the transmitting tube of the smoke sensor is considered to be used up.
The method for detecting the service life of the infrared emission tube is realized based on a sampling process with normal smoke sensation. The method for integrally realizing the method comprises the following steps: when the smoke is aroused from the low-power consumption state, and when entering normal operating condition, MCU at first controls the pin and opens the first fortune of smog sampling circuit, opens the timer timing simultaneously to time this moment is counted t1 and is 0, waits for external circuit to stabilize (50 milliseconds), gathers the voltage V1 of transmitting tube pin through master control MCU's AD function. And (3) opening the smoke sampling second operational amplifier circuit by the control pin, and similarly waiting for the external circuit to be stabilized (50 milliseconds), and acquiring the voltage V2 of the pin of the transmitting tube by the AD function of the main control MCU. Meanwhile, the MCU calculates the difference value between V2 and V1 and stores the difference value as delta V. Then, continuous sampling of the infrared receiving tube is started, wherein the sampling is carried out for 16 times in each time interval of 50 milliseconds. After the main control MCU finishes sampling the infrared receiving tube, controlling the operational amplifier related pins to close the first operational amplifier circuit and the second operational amplifier circuit, simultaneously closing the timer, recording the time at the moment as t2, simultaneously calculating the difference value of the total opening time of the infrared transmitting tube as t2-t1, and storing the difference value as delta t.
After the smoke sensor is used for the first time and the smoke concentration is collected every time, the obtained opening time delta t of the smoke sensor transmitting tube sensor is accumulated, and the accumulated sum of all the opening time is compared with the service life of the infrared transmitting tube stored in the MCU in advance. If the sum of the time for opening the infrared transmitting tube during each smoke sampling is less than the pre-stored life time of the infrared transmitting tube sensor in the smoke sensor main control MCU, the service life of the smoke sensor is judged not to be used up. And if the sum of the time for opening the infrared transmitting tube during each smoke sampling is greater than or equal to the service life of the infrared transmitting tube sensor prestored in the smoke sensing main control MCU, judging that the service life of the smoke sensing is exhausted.
The embodiment of the invention provides a method for detecting the service life of an infrared transmitting tube, which realizes the effect of judging whether the service life of the infrared transmitting tube is used up or not by means of calculating the accumulated opening time of the infrared transmitting tube or rechecking the difference value of the pin voltages of two adjacent sampling transmitting tubes of smoke detection. The method can be used for timely detecting the infrared transmitting tube when the infrared transmitting tube reaches the preset service life. Further reducing the fire accidents caused by the fact that the infrared transmitting tube fails to alarm when the service life of the infrared transmitting tube is up to failure in practical use.
Example 6:
fig. 3 is a schematic structural diagram of an infrared emission tube life detection apparatus provided in an embodiment of the present invention, where the apparatus includes:
the first acquisition module 31 is used for controlling a first operational amplifier circuit in the infrared emission tube to be opened in a smoke concentration detection period and acquiring a first voltage value of a pin of the infrared emission tube; controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, and collecting a second voltage value of a pin of the infrared transmitting tube; determining a voltage difference value of the second voltage value and the first voltage value;
and the determining module 32 is configured to determine that the infrared transmitting tube is used up if the determined voltage difference value is smaller than a preset voltage difference threshold, and otherwise determine that the infrared transmitting tube is not used up.
The determining module 32 is specifically configured to determine that the infrared transmitting tube is used up if the voltage difference values determined within the preset number of smoke concentration detection periods are all smaller than a preset voltage difference threshold value, and otherwise determine that the infrared transmitting tube is not used up.
The first acquisition module 31 is specifically configured to control a first operational amplifier circuit in the infrared transmitting tube to be turned on, wait for a preset first time period, and acquire a first voltage value of a pin of the infrared transmitting tube;
the first collecting module 31 is specifically configured to control a second operational amplifier circuit in the infrared transmitting tube to be turned on, wait for a preset second time period, and collect a second voltage value of the pin of the infrared transmitting tube.
The first collecting module 31 is specifically configured to continuously collect voltage values of a preset first number of the infrared emitting tube pins, and determine an average value of the first number of the voltage values as the first voltage value;
the first collecting module 31 is specifically configured to continuously collect voltage values of a preset second number of the pins of the infrared emitting tubes, and determine an average value of the voltage values of the second number as the second voltage value.
The device further comprises:
the second acquisition module 33 is used for controlling the first operational amplifier circuit in the infrared transmitting tube to be opened and recording first time; after a second voltage value of the pin of the infrared transmitting tube is collected, continuously sampling the voltage value of the pin of the infrared receiving tube, closing the first operational amplifier circuit and the second operational amplifier circuit after sampling is finished, and recording second time; determining a time difference between the second time and the first time;
the determining module 32 is further configured to determine that the infrared transmitting tube is not used up if the integrated value of the determined time difference values in all the smoke concentration detection periods is smaller than a preset using time length of the infrared transmitting tube;
the determining module 32 is further configured to determine that the infrared transmitting tube is used up if the cumulative value of the determined time difference values in all the smoke concentration detection periods is not less than the preset using time length of the infrared transmitting tube.
Example 7:
on the basis of the foregoing embodiments, an embodiment of the present invention further provides an electronic device, as shown in fig. 4, including: the system comprises a processor 301, a communication interface 302, a memory 303 and a communication bus 304, wherein the processor 301, the communication interface 302 and the memory 303 complete mutual communication through the communication bus 304;
the memory 303 has stored therein a computer program which, when executed by the processor 301, causes the processor 301 to perform the steps of:
in a smoke concentration detection period, a first operational amplifier circuit in an infrared emission tube is controlled to be opened, and a first voltage value of a pin of the infrared emission tube is collected; controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, and collecting a second voltage value of a pin of the infrared transmitting tube; determining a voltage difference value of the second voltage value and the first voltage value;
and if the determined voltage difference value is smaller than a preset voltage difference threshold value, determining that the service life of the infrared emission tube is used up, otherwise determining that the service life of the infrared emission tube is not used up.
Based on the same inventive concept, the embodiment of the invention also provides an electronic device, and as the principle of solving the problems of the electronic device is similar to the method for detecting the service life of the infrared emission tube, the implementation of the electronic device can refer to the implementation of the method, and repeated parts are not described again.
The electronic device provided by the embodiment of the invention can be a desktop computer, a portable computer, a smart phone, a tablet computer, a Personal Digital Assistant (PDA), a network side device and the like.
The communication bus mentioned in the electronic device may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus.
The communication interface 302 is used for communication between the above-described electronic apparatus and other apparatuses.
The Memory may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as at least one disk Memory. Alternatively, the memory may be at least one memory device located remotely from the processor.
The Processor may be a general-purpose Processor, including a central processing unit, a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an application specific integrated circuit, a field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or the like.
When the processor executes the program stored in the memory in the embodiment of the invention, the first operational amplifier circuit in the infrared emission tube is controlled to be opened in the smoke concentration detection period, and the first voltage value of the pin of the infrared emission tube is acquired; controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, and collecting a second voltage value of a pin of the infrared transmitting tube; determining a voltage difference value of the second voltage value and the first voltage value; and if the determined voltage difference value is smaller than a preset voltage difference threshold value, determining that the service life of the infrared emission tube is used up, otherwise determining that the service life of the infrared emission tube is not used up. In the embodiment of the invention, in a smoke concentration detection period, after the electronic equipment controls the first operational amplifier circuit in the infrared emission tube to be opened, the first voltage value of the pin of the infrared emission tube is acquired. And after controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, acquiring a second voltage value of the pin of the infrared transmitting tube. And then judging whether the service life of the infrared emission tube is used up or not according to the voltage difference value between the second voltage value and the first voltage value and the estimated voltage difference threshold value. And if the determined voltage difference value is smaller than the preset voltage difference threshold value, determining that the service life of the infrared emission tube is used up, otherwise, determining that the service life of the infrared emission tube is not used up. The embodiment of the invention provides a service life detection scheme of an infrared transmitting tube, which eliminates potential safety hazards for long-term use customers.
Example 8:
on the basis of the foregoing embodiments, an embodiment of the present invention further provides a computer storage readable storage medium, in which a computer program executable by an electronic device is stored, and when the program is run on the electronic device, the electronic device is caused to execute the following steps:
in a smoke concentration detection period, a first operational amplifier circuit in an infrared emission tube is controlled to be opened, and a first voltage value of a pin of the infrared emission tube is collected; controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, and collecting a second voltage value of a pin of the infrared transmitting tube; determining a voltage difference value of the second voltage value and the first voltage value;
and if the determined voltage difference value is smaller than a preset voltage difference threshold value, determining that the service life of the infrared emission tube is used up, otherwise determining that the service life of the infrared emission tube is not used up.
Based on the same inventive concept, embodiments of the present invention further provide a computer-readable storage medium, and since a principle of solving a problem when a processor executes a computer program stored in the computer-readable storage medium is similar to the method for detecting the lifetime of the infrared emission tube, the method may be used for implementing the computer program stored in the computer-readable storage medium, and repeated details are not repeated.
The computer readable storage medium may be any available medium or data storage device that can be accessed by a processor in an electronic device, including but not limited to magnetic memory such as floppy disks, hard disks, magnetic tape, magneto-optical disks (MOs), etc., optical memory such as CDs, DVDs, BDs, HVDs, etc., and semiconductor memory such as ROMs, EPROMs, EEPROMs, non-volatile memory (NAND FLASH), Solid State Disks (SSDs), etc.
The computer program is stored in a computer readable storage medium provided by the embodiment of the invention, and when being executed by a processor, the computer program controls a first operational amplifier circuit in an infrared emission tube to be opened and collects a first voltage value of a pin of the infrared emission tube in a smoke concentration detection period; controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, and collecting a second voltage value of a pin of the infrared transmitting tube; determining a voltage difference value of the second voltage value and the first voltage value; and if the determined voltage difference value is smaller than a preset voltage difference threshold value, determining that the service life of the infrared emission tube is used up, otherwise determining that the service life of the infrared emission tube is not used up. In the embodiment of the invention, in a smoke concentration detection period, after the electronic equipment controls the first operational amplifier circuit in the infrared emission tube to be opened, the first voltage value of the pin of the infrared emission tube is acquired. And after controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, acquiring a second voltage value of the pin of the infrared transmitting tube. And then judging whether the service life of the infrared emission tube is used up or not according to the voltage difference value between the second voltage value and the first voltage value and the estimated voltage difference threshold value. And if the determined voltage difference value is smaller than the preset voltage difference threshold value, determining that the service life of the infrared emission tube is used up, otherwise, determining that the service life of the infrared emission tube is not used up. The embodiment of the invention provides a service life detection scheme of an infrared transmitting tube, which eliminates potential safety hazards for long-term use customers.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (12)
1. A method for detecting the service life of an infrared emission tube is characterized by comprising the following steps:
in a smoke concentration detection period, a first operational amplifier circuit in an infrared emission tube is controlled to be opened, and a first voltage value of a pin of the infrared emission tube is collected; controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, and collecting a second voltage value of a pin of the infrared transmitting tube; determining a voltage difference value of the second voltage value and the first voltage value;
and if the determined voltage difference value is smaller than a preset voltage difference threshold value, determining that the service life of the infrared emission tube is used up, otherwise determining that the service life of the infrared emission tube is not used up.
2. The method of claim 1, wherein determining that the infrared emission tube has expired if the determined voltage difference is less than a predetermined voltage difference threshold, and otherwise determining that the infrared emission tube has not expired comprises:
and if the voltage difference values determined in the smoke concentration detection periods of the preset number are smaller than the preset voltage difference threshold value, determining that the service life of the infrared emission tube is used up, otherwise determining that the service life of the infrared emission tube is not used up.
3. The method of claim 1, wherein the controlling a first operational amplifier circuit in an infrared emission tube to turn on, and the collecting a first voltage value of a pin of the infrared emission tube comprises:
controlling a first operational amplifier circuit in an infrared transmitting tube to be opened, waiting for a preset first time length, and collecting a first voltage value of a pin of the infrared transmitting tube;
the control infrared emission tube in the second fortune circuit open, gather the second voltage value of infrared emission tube pin includes:
and controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, waiting for a preset second time length, and collecting a second voltage value of the pin of the infrared transmitting tube.
4. The method of claim 1 or 3, wherein said collecting a first voltage value for the IR emitter tube pin comprises:
continuously collecting a preset first number of voltage values of the infrared emission tube pins, and determining the average value of the first number of voltage values as the first voltage value;
the collecting of the second voltage value of the pin of the infrared emission tube comprises:
and continuously collecting the voltage values of the pins of the infrared emission tubes in a preset second number, and determining the average value of the voltage values in the second number as the second voltage value.
5. The method of claim 1, wherein if the determined voltage difference is not less than a predetermined voltage difference threshold, before determining that the infrared emission tube has not expired, the method further comprises:
controlling a first operational amplifier circuit in the infrared transmitting tube to be opened, and recording first time; after a second voltage value of the pin of the infrared transmitting tube is collected, continuously sampling the voltage value of the pin of the infrared receiving tube, closing the first operational amplifier circuit and the second operational amplifier circuit after sampling is finished, and recording second time; determining a time difference between the second time and the first time;
if the accumulated value of the determined time difference values in all the smoke concentration detection periods is smaller than the preset using time length of the infrared emission tube, determining that the service life of the infrared emission tube is not used up;
if the cumulative value of the time differences determined in all the smoke concentration detection periods is not less than the preset using time of the infrared emission tube, the method further comprises the following steps:
and determining that the service life of the infrared emission tube is used up.
6. An infrared emission tube life detection device, characterized in that the device comprises:
the first acquisition module is used for controlling a first operational amplifier circuit in the infrared emission tube to be opened in a smoke concentration detection period and acquiring a first voltage value of a pin of the infrared emission tube; controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, and collecting a second voltage value of a pin of the infrared transmitting tube; determining a voltage difference value of the second voltage value and the first voltage value;
and the determining module is used for determining that the service life of the infrared transmitting tube is used up if the determined voltage difference value is smaller than a preset voltage difference threshold value, or determining that the service life of the infrared transmitting tube is not used up.
7. The apparatus according to claim 6, wherein the determining module is specifically configured to determine that the infrared emission tube has a used life if the voltage differences determined in a preset number of smoke concentration detection cycles are all smaller than a preset voltage difference threshold, and otherwise determine that the infrared emission tube has not a used life.
8. The device according to claim 6, wherein the first collecting module is specifically configured to control a first operational amplifier circuit in an infrared emission tube to be turned on, wait for a preset first time period, and collect a first voltage value at a pin of the infrared emission tube;
the first acquisition module is specifically used for controlling a second operational amplifier circuit in the infrared transmitting tube to be opened, waiting for a preset second time length, and acquiring a second voltage value of the pin of the infrared transmitting tube.
9. The apparatus according to claim 6 or 8, wherein the first collecting module is specifically configured to continuously collect a preset first number of voltage values of the infrared emission tube pins, and determine an average value of the first number of voltage values as the first voltage value;
the first acquisition module is specifically configured to continuously acquire a preset second number of voltage values of the pins of the infrared emission tubes, and determine an average value of the second number of voltage values as the second voltage value.
10. The apparatus of claim 6, wherein the apparatus further comprises:
the second acquisition module is used for controlling a first operational amplifier circuit in the infrared transmitting tube to be opened and recording first time; after a second voltage value of the pin of the infrared transmitting tube is collected, continuously sampling the voltage value of the pin of the infrared receiving tube, closing the first operational amplifier circuit and the second operational amplifier circuit after sampling is finished, and recording second time; determining a time difference between the second time and the first time;
the determining module is further configured to determine that the infrared transmitting tube is not used up if the integrated value of the determined time difference values in all the smoke concentration detection periods is smaller than a preset using time length of the infrared transmitting tube;
the determining module is further configured to determine that the infrared transmitting tube is used up if the cumulative value of the determined time difference values in all the smoke concentration detection periods is not less than a preset using time of the infrared transmitting tube.
11. An electronic device is characterized by comprising a processor, a communication interface, a memory and a communication bus, wherein the processor and the communication interface are used for realizing mutual communication by the memory through the communication bus;
a memory for storing a computer program;
a processor for implementing the method steps of any one of claims 1 to 5 when executing a program stored in the memory.
12. A computer-readable storage medium, characterized in that a computer program is stored in the computer-readable storage medium, which computer program, when being executed by a processor, carries out the method steps of any one of claims 1-5.
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