CN112820089A - Automatic detection method and system for batch smoke sensing alarm - Google Patents
Automatic detection method and system for batch smoke sensing alarm Download PDFInfo
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- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/12—Checking intermittently signalling or alarm systems
- G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
- G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits
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Abstract
The invention provides an automatic detection method and system for a batch smoke alarm, wherein the method comprises the following steps: calculating to obtain a first calibration value in a first calibration smoke box, wherein the first calibration value is obtained by calculation according to a preset second calibration value and a preset third calibration value, the second calibration value is the constant concentration of the second calibration smoke box, and the third calibration value is the constant concentration of the third calibration smoke box; detecting a low threshold value in the second calibration smoke box according to the second calibration value, if the smoke-sensitive alarm gives an alarm, judging that the sensitivity of the smoke-sensitive alarm is too high, and rejecting the smoke-sensitive alarm; and detecting a high threshold value in the third calibration smoke box according to the third calibration value, if the smoke alarm does not give an alarm, judging that the sensitivity of the smoke alarm is too low, and rejecting the smoke alarm. The invention dynamically calibrates the alarm threshold value of each smoke-sensitive alarm according to the characteristics of the smoke-sensitive alarm and the concentration value of the smoke box, and realizes the requirements of the directionality and the consistency of the smoke-sensitive alarms.
Description
Technical Field
The invention relates to the technical field of batch calibration and test production of photoelectric smoke-sensing alarms, in particular to an automatic detection method and system of a batch smoke-sensing alarm.
Background
In the prior art, a basic alarm threshold value is set for a batch of photoelectric tubes by controlling incoming photodiodes, and then the batch of photoelectric tubes is assembled. The finished product passes through a smoke box with constant smoke concentration, the finished product is qualified as long as a smoke sensing alarm gives an alarm, and the mode has the problem that a single alarm threshold value cannot be matched with all photoelectric sensors, because of the design of an amplifying circuit and a photoelectric tube, the dimming rate of the finished product is different under the same smoke concentration, and the fixed alarm threshold value needs to be adjusted every time. The alarm is given out at a constant smoke box, products with high sensitivity are not easy to be screened out, and the efficiency is low in the whole process.
Therefore, there is a need for an automatic detection method for a batch smoke alarm to solve the above problems.
Disclosure of Invention
The present invention provides a method and system for automatic detection of a batch smoke detector, which overcomes or at least partially solves the above mentioned problems, and according to a first aspect of the invention, the invention provides a method for automatic detection of a batch smoke detector, comprising:
calculating a first calibration value in a first calibration smoke box, wherein the first calibration value is obtained by calculation according to a preset second calibration value and a preset third calibration value, the second calibration value is the constant concentration of the second calibration smoke box, and the third calibration value is the constant concentration of the third calibration smoke box;
detecting a low threshold value in the second calibration smoke box according to the second calibration value, if the smoke-sensitive alarm gives an alarm, judging that the sensitivity of the smoke-sensitive alarm is too high, and rejecting the smoke-sensitive alarm;
and detecting a high threshold value in the third calibration smoke box according to the third calibration value, if the smoke alarm does not give an alarm, judging that the sensitivity of the smoke alarm is too low, and rejecting the smoke alarm.
Wherein, calculating in the first calibration smoke box obtains a first calibration value, including:
m1＝m2+(m3-m2)/2，m3/m2<1.6
wherein m1 is a first calibration value, m2 is a second calibration value, and m3 is a third calibration value.
Wherein the method further comprises:
the constant speed passes through the first calibration smoke box, the second calibration smoke box and the third calibration smoke box, and the retention time of each calibration smoke box is equal.
And the time T of the stay of the calibrated smoke box is L/V, wherein L is the length of the smoke box, and V is the running speed of the crawler.
Wherein, in the second demarcation cigarette case according to the second calibration value, carry out low threshold value and detect, if smoke alarm reports to the police, then judge smoke alarm sensitivity is too high, rejects smoke alarm, include:
when the smoke-sensitive alarm passes through the second calibration smoke box, if the concentration value measured by the smoke-sensitive alarm is higher than the second calibration value, an alarm sound is given;
and if the alarm sound is detected, judging that the sensitivity of the smoke-sensitive alarm is too high, judging that the low-value detection of the smoke-sensitive alarm fails, and classifying the smoke-sensitive alarm into a defective product.
Wherein, in the third demarcation cigarette case according to the third calibration value, carry out high threshold value and detect, if smoke alarm does not report to the police, then judge smoke alarm sensitivity is low excessively, rejects smoke alarm, include:
when the smoke-sensitive alarm passes through the third calibration smoke box, if the concentration value measured by the smoke-sensitive alarm is lower than the third calibration value, no alarm sound is given;
and if the alarm sound is not detected, judging that the sensitivity of the smoke alarm is too low, judging that the high-value detection of the smoke alarm fails, and classifying the smoke alarm into a defective product.
According to a second aspect of the present invention, there is provided an automatic detection system for a batch smoke detector, comprising:
the calibration module is used for calculating and obtaining a first calibration value in a first calibration smoke box, wherein the first calibration value is obtained by calculation according to a preset second calibration value and a preset third calibration value, the second calibration value is the constant concentration of the second calibration smoke box, and the third calibration value is the constant concentration of the third calibration smoke box;
the low value detection module is used for carrying out low threshold value detection in the second calibration smoke box according to the second calibration value, if the smoke alarm gives an alarm, the sensitivity of the smoke alarm is judged to be too high, and the smoke alarm is rejected;
and the high value detection module is used for detecting a high threshold value in the third calibration smoke box according to the third calibration value, if the smoke alarm does not give an alarm, the sensitivity of the smoke alarm is determined to be too low, and the smoke alarm is rejected.
According to a third aspect of the present invention, an electronic device is provided in an embodiment of the present invention, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and the processor executes the computer program to implement the steps of the automatic detection method for batch smoke alarms according to the first aspect.
In a fourth aspect, an embodiment of the present invention provides a non-transitory computer-readable storage medium, on which a computer program is stored, the computer program, when being executed by a processor, implementing the steps of the automatic detection method for batch smoke alarms as provided in the first aspect.
According to the automatic detection method and system for the batch smoke-sensitive alarms, provided by the embodiment of the invention, the alarm threshold value of each smoke-sensitive alarm is dynamically calibrated according to the characteristics of the smoke-sensitive alarms and the concentration value of a smoke box, so that the requirements on the direction and consistency of the smoke-sensitive alarms are met.
Drawings
Fig. 1 is a schematic flow chart of an automatic detection method for a batch smoke detector according to an embodiment of the present invention;
FIG. 2 is a flow chart of a framework provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an automatic detection system of a batch smoke detector according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Fig. 1 is a schematic flow chart of an automatic detection method of a batch smoke detector provided in an embodiment of the present invention, as shown in fig. 1, including:
101. calculating a first calibration value in a first calibration smoke box, wherein the first calibration value is obtained by calculation according to a preset second calibration value and a preset third calibration value, the second calibration value is the constant concentration of the second calibration smoke box, and the third calibration value is the constant concentration of the third calibration smoke box;
102. detecting a low threshold value in the second calibration smoke box according to the second calibration value, if the smoke-sensitive alarm gives an alarm, judging that the sensitivity of the smoke-sensitive alarm is too high, and rejecting the smoke-sensitive alarm;
103. and detecting a high threshold value in the third calibration smoke box according to the third calibration value, if the smoke alarm does not give an alarm, judging that the sensitivity of the smoke alarm is too low, and rejecting the smoke alarm.
Fig. 2 is a flowchart of a framework provided in an embodiment of the present invention, and as shown in fig. 2, in step 101, the embodiment of the present invention sets a second calibration value and a third calibration value, and calculates the first calibration value according to the national standard, where the second calibration value is a constant density of the second calibration smoke box, and the third calibration value is a constant density of the third calibration smoke box.
In step 102, the smoke detector is placed in a second calibration smoke box for low threshold detection, defective products with over-high sensitivity are screened out, and finally, in step 103, high-value detection is performed in a third calibration smoke box for screening out defective products with low sensitivity, so that production test is completed. It is understood that the first calibration value, the second calibration value and the third calibration value can be adjusted according to actual conditions. The time T passing through the smoke box can be obtained by adding the operation time redundancy to the stable time of the collected numerical value of the smoke alarm calibration algorithm.
According to the automatic detection method for the batch smoke-sensitive alarms, provided by the embodiment of the invention, the alarm threshold value of each smoke-sensitive alarm is dynamically calibrated according to the characteristics of the smoke-sensitive alarms and the concentration value of a smoke box, so that the requirements on the direction and the consistency of the smoke-sensitive alarms are met.
On the basis of the above embodiment, the calculating of the first calibration value in the first calibration smoke box includes:
m1＝m2+(m3-m2)/2，m3/m2<1.6
wherein m1 is a first calibration value, m2 is a second calibration value, and m3 is a third calibration value.
It should be noted that the smoke detector provided by the embodiment of the invention utilizes a built-in calibration algorithm to calibrate the alarm value through the constant smoke box.
Wherein the value m1 of the first constant smoke box is set to m2+ (m3-m2)/2, m3/m2< 1.6. It can be understood that, when the smoke detector leaves the factory initially, the range of the calibration value of the data storage is empty, and at this time, the smoke detector is powered on. The smoke-sensitive alarm detects that the calibration value is empty and is in an uncalibrated state, informs production personnel of entering a to-be-calibrated mode after T seconds through special acousto-optic logic, the personnel place the production line crawler belts on the production line crawler belts and enter a first calibration smoke box B1, the smoke concentration value in B1 is constant near the smoke-sensitive alarm sensitivity m1, the smoke-sensitive alarm passes through a B1 smoke box after Tb1 time, the calibration program is ended, the normal operation mode is entered, calibration magic numbers are written in a calibration value storage area, and the calibration magic numbers are recorded as a calibrated mode.
On the basis of the above embodiment, the method further includes:
the constant speed passes through the first calibration smoke box, the second calibration smoke box and the third calibration smoke box, and the retention time of each calibration smoke box is equal.
It can be seen from the above description that the smoke detector of the embodiment of the present invention needs to be placed on the track of the production line, and then the speed of the smoke detector through the first calibration smoke box, the second calibration smoke box and the third calibration smoke box is constant, and the residence time in each calibration smoke box is equal.
Specifically, the calibration smoke box B1 stays for Tb1 time, the second calibration smoke box B2 stays for Tb2 time, and the third calibration smoke box B3 stays for Tb3 time. Tb1 Tb2 Tb 3T.
On the basis of the above embodiment, the time T of the calibrated smoke box staying is L/V, where L is the smoke box length and V is the track running speed.
Specifically, in the embodiment of the invention, the length of the constant-concentration smoke box is L meters, the running speed of the crawler is V, and V is L/T, wherein T is the concentration value stabilization time of the first calibration smoke box acquired by the calibration algorithm of the smoke-sensitive alarm.
On the basis of the above embodiment, the low threshold detection is performed in the second calibration smoke box according to the second calibration value, if the smoke detector alarms, it is determined that the sensitivity of the smoke detector is too high, and the smoke detector is rejected, including:
when the smoke-sensitive alarm passes through the second calibration smoke box, if the concentration value measured by the smoke-sensitive alarm is higher than the second calibration value, an alarm sound is given;
and if the alarm sound is detected, judging that the sensitivity of the smoke-sensitive alarm is too high, judging that the low-value detection of the smoke-sensitive alarm fails, and classifying the smoke-sensitive alarm into a defective product.
Specifically, the process of performing low value detection in the embodiment of the present invention is as follows:
under the normal operation mode, the smoke alarm passes through the ventilation area, the alarm of the first calibration smoke box is finished, the smoke enters the second calibration smoke box B2, and the smoke box B2 has constant low-value concentration m 2. After the time Tb2, the smoke detector passes through the B2 smoke box, if the smoke detector gives an alarm, the smoke detector is considered to be a defective product, if the smoke detector does not give an alarm, the smoke detector considers that the concentration area of the equipment m2 is normal, and the smoke detector enters a high-value detection module.
On the basis of the above embodiment, the performing high threshold detection in the third calibration smoke box according to the third calibration value, if the smoke detector does not alarm, determining that the sensitivity of the smoke detector is too low, and rejecting the smoke detector includes:
when the smoke-sensitive alarm passes through the third calibration smoke box, if the concentration value measured by the smoke-sensitive alarm is lower than the third calibration value, no alarm sound is given;
and if the alarm sound is not detected, judging that the sensitivity of the smoke alarm is too low, judging that the high-value detection of the smoke alarm fails, and classifying the smoke alarm into a defective product.
Specifically, the process of performing high-value detection in the embodiment of the present invention is as follows:
under the normal operation mode, the smoke alarm passes through a ventilation area and enters a third calibration smoke box B3, and the smoke box B3 has constant low-value concentration m 3. After the time Tb3, the smoke alarm passes through the m3 smoke box, if the smoke alarm gives an alarm, the smoke alarm is considered to be normal, and if the smoke alarm does not give an alarm, the smoke alarm is considered to be a defective product.
Fig. 3 is a schematic structural diagram of an automatic detection system of a batch smoke detector according to an embodiment of the present invention, as shown in fig. 3, including: a calibration module 301, a low value detection module 302, and a high value detection module 303, wherein:
the calibration module 301 is configured to calculate and obtain a first calibration value in a first calibration smoke box, where the first calibration value is calculated according to a preset second calibration value and a third calibration value, the second calibration value is a constant concentration of the second calibration smoke box, and the third calibration value is a constant concentration of the third calibration smoke box;
the low value detection module 302 is configured to perform low threshold detection in the second calibration smoke box according to the second calibration value, and if the smoke detector alarms, determine that the sensitivity of the smoke detector is too high, and reject the smoke detector;
and the high value detection module 303 is used for detecting a high threshold value in the third calibration smoke box according to the third calibration value, and if the smoke detector does not give an alarm, the sensitivity of the smoke detector is determined to be too low, and the smoke detector is rejected.
For details, how to automatically detect the batch smoke detector by using the calibration module 301, the low value detection module 302, and the high value detection module 303, reference may be made to the above method embodiments, and details of the embodiments of the present invention are not described herein again.
Fig. 4 illustrates a schematic structural diagram of an electronic device, and as shown in fig. 4, the server may include: a processor (processor)401, a communication Interface (communication Interface)402, a memory (memory)403 and a bus 404, wherein the processor 401, the communication Interface 402 and the memory 403 complete communication with each other through the bus 404. The communication interface 402 may be used for information transmission between the server and the smart tv. Processor 401 may call logic instructions in memory 403 to perform the following method: calculating a first calibration value in a first calibration smoke box, wherein the first calibration value is obtained by calculation according to a preset second calibration value and a preset third calibration value, the second calibration value is the constant concentration of the second calibration smoke box, and the third calibration value is the constant concentration of the third calibration smoke box; detecting a low threshold value in the second calibration smoke box according to the second calibration value, if the smoke-sensitive alarm gives an alarm, judging that the sensitivity of the smoke-sensitive alarm is too high, and rejecting the smoke-sensitive alarm; and detecting a high threshold value in the third calibration smoke box according to the third calibration value, if the smoke alarm does not give an alarm, judging that the sensitivity of the smoke alarm is too low, and rejecting the smoke alarm.
The present embodiments also provide a computer program product comprising a computer program stored on a non-transitory computer-readable storage medium, the computer program comprising program instructions that, when executed by a computer, enable the computer to perform the methods provided by the above-described method embodiments, for example, including: calculating a first calibration value in a first calibration smoke box, wherein the first calibration value is obtained by calculation according to a preset second calibration value and a preset third calibration value, the second calibration value is the constant concentration of the second calibration smoke box, and the third calibration value is the constant concentration of the third calibration smoke box; detecting a low threshold value in the second calibration smoke box according to the second calibration value, if the smoke-sensitive alarm gives an alarm, judging that the sensitivity of the smoke-sensitive alarm is too high, and rejecting the smoke-sensitive alarm; and detecting a high threshold value in the third calibration smoke box according to the third calibration value, if the smoke alarm does not give an alarm, judging that the sensitivity of the smoke alarm is too low, and rejecting the smoke alarm. The present embodiments provide a non-transitory computer-readable storage medium storing computer instructions that cause the computer to perform the methods provided by the above method embodiments, for example, including: calculating a first calibration value in a first calibration smoke box, wherein the first calibration value is obtained by calculation according to a preset second calibration value and a preset third calibration value, the second calibration value is the constant concentration of the second calibration smoke box, and the third calibration value is the constant concentration of the third calibration smoke box; detecting a low threshold value in the second calibration smoke box according to the second calibration value, if the smoke-sensitive alarm gives an alarm, judging that the sensitivity of the smoke-sensitive alarm is too high, and rejecting the smoke-sensitive alarm; and detecting a high threshold value in the third calibration smoke box according to the third calibration value, if the smoke alarm does not give an alarm, judging that the sensitivity of the smoke alarm is too low, and rejecting the smoke alarm.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, the method of the present application is only a preferred embodiment and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An automatic detection method for batch smoke alarms is characterized by comprising the following steps:
calculating a first calibration value in a first calibration smoke box, wherein the first calibration value is obtained by calculation according to a preset second calibration value and a preset third calibration value, the second calibration value is the constant concentration of the second calibration smoke box, and the third calibration value is the constant concentration of the third calibration smoke box;
detecting a low threshold value in the second calibration smoke box according to the second calibration value, if the smoke-sensitive alarm gives an alarm, judging that the sensitivity of the smoke-sensitive alarm is too high, and rejecting the smoke-sensitive alarm;
and detecting a high threshold value in the third calibration smoke box according to the third calibration value, if the smoke alarm does not give an alarm, judging that the sensitivity of the smoke alarm is too low, and rejecting the smoke alarm.
2. The method of claim 1, wherein calculating a first calibration value in a first calibration smoke box comprises:
m1＝m2+(m3-m2)/2，m3/m2<1.6
wherein m1 is a first calibration value, m2 is a second calibration value, and m3 is a third calibration value.
3. The method of automatic detection of batch smoke alarms according to claim 1 and further comprising:
the constant speed passes through the first calibration smoke box, the second calibration smoke box and the third calibration smoke box, and the retention time of each calibration smoke box is equal.
4. The automatic detection method of the batch smoke-sensitive alarm according to claim 3, wherein the time T of the stay of the calibration smoke box is L/V, wherein L is the length of the smoke box, and V is the running speed of the crawler.
5. The method according to claim 4, wherein the automatic detection of the batch smoke-sensitive alarm is performed according to the second calibration value in the second calibration smoke box, if the smoke-sensitive alarm gives an alarm, the sensitivity of the smoke-sensitive alarm is determined to be too high, and the smoke-sensitive alarm is rejected, and the method comprises the following steps:
when the smoke-sensitive alarm passes through the second calibration smoke box, if the concentration value measured by the smoke-sensitive alarm is higher than the second calibration value, an alarm sound is given;
and if the alarm sound is detected, judging that the sensitivity of the smoke-sensitive alarm is too high, judging that the low-value detection of the smoke-sensitive alarm fails, and classifying the smoke-sensitive alarm into a defective product.
6. The method according to claim 4, wherein the automatic detection of the batch smoke-sensitive alarms is performed according to the third calibration value in the third calibration smoke box, if the smoke-sensitive alarms do not alarm, the sensitivity of the smoke-sensitive alarms is determined to be too low, and the smoke-sensitive alarms are rejected, and the method comprises the following steps:
when the smoke-sensitive alarm passes through the third calibration smoke box, if the concentration value measured by the smoke-sensitive alarm is lower than the third calibration value, no alarm sound is given;
and if the alarm sound is not detected, judging that the sensitivity of the smoke alarm is too low, judging that the high-value detection of the smoke alarm fails, and classifying the smoke alarm into a defective product.
7. The utility model provides a batch smoke alarm automatic check out system which characterized in that includes:
the calibration module is used for calculating and obtaining a first calibration value in a first calibration smoke box, wherein the first calibration value is obtained by calculation according to a preset second calibration value and a preset third calibration value, the second calibration value is the constant concentration of the second calibration smoke box, and the third calibration value is the constant concentration of the third calibration smoke box;
the low value detection module is used for carrying out low threshold value detection in the second calibration smoke box according to the second calibration value, if the smoke alarm gives an alarm, the sensitivity of the smoke alarm is judged to be too high, and the smoke alarm is rejected;
and the high value detection module is used for detecting a high threshold value in the third calibration smoke box according to the third calibration value, if the smoke alarm does not give an alarm, the sensitivity of the smoke alarm is determined to be too low, and the smoke alarm is rejected.
8. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the program performs the steps of the batch smoke alarm automatic detection method of any one of claims 1 to 6.
9. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the steps of the batch smoke alarm automatic detection method according to any one of claims 1 to 6.
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