CN110579582A - Method for determining ignition time of fireworks and crackers and measuring device - Google Patents
Method for determining ignition time of fireworks and crackers and measuring device Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 18
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- 238000005286 illumination Methods 0.000 claims abstract description 20
- 238000002474 experimental method Methods 0.000 claims description 8
- 238000004880 explosion Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 3
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- 238000005474 detonation Methods 0.000 claims description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
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- 238000010521 absorption reaction Methods 0.000 description 4
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- 230000001681 protective effect Effects 0.000 description 4
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- 238000004140 cleaning Methods 0.000 description 2
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- 239000003721 gunpowder Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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Abstract
The invention discloses a device for measuring the ignition time of fireworks and crackers and a determination method thereof, comprising an auxiliary mechanism, a control processing unit and an ignition mechanism, the auxiliary mechanism comprises a cabinet body, a test bed, a cabinet door, a fixed base, a clamp holder, a power plug and a switch button, the side surface of the cabinet body is provided with a power plug, a switch button and a display screen, the control processing unit comprises a microprocessor, a timing chip, an illumination sensor and a sound-sensitive sensor, the timing chip, the illumination sensor and the sound-sensitive sensor are respectively in bidirectional communication with a microprocessor, the microprocessor is connected with a transformer and a power plug, the ignition mechanism comprises a position adjusting device, an electronic igniter and an ignition tube, the position adjusting device adjusts the position of the electronic igniter according to the difference of the lead position of the object to be tested, and the position adjusting device of the ignition mechanism is an electric push rod or a gooseneck. The invention has the advantages of high automation degree, labor saving, accurate detection and higher efficiency.
Description
Technical Field
The invention relates to the field of firework and firecracker detection, in particular to a method and a device for determining ignition time of fireworks and firecrackers.
Background
fireworks are also called fireworks and fireworks, firecrackers are also called fireworks and firecrackers, and people working in China invented earlier and are often used in grand ceremonies or performances. As the fireworks and crackers have considerable danger due to the use of gunpowder, the fireworks and crackers need to be safely produced, stored and used. At present, common civil fireworks and crackers are ignited by leads and give out acousto-optic color effect after being ignited.
the ignition time from ignition to release of the fireworks and crackers is a key detection index of the safety items of the fireworks and crackers. The ignition time of the existing fireworks and crackers is measured by manually igniting the leads of the fireworks and crackers with the ignited incense, observing the brightness by using ears or eyes of a human body and simultaneously timing with a stopwatch.
in the existing detection, one person is required to ignite and two persons are required to time, and the re-detection is required when the timing difference exceeds 0.2 second. The uncertainty of the measurement is influenced by the factors such as personnel operation habits, perception difference, reaction time, stopwatch error and the likeLarge, low accuracy, exceed the error is measured many times. Recording with a pen is time-consuming and has low verifiability; another oneThe secondary detection needs the input of multiple personnel, and when the detection tasks are too many, the human resource demand is too large, which often causes the delay of the detection tasks. Unqualified fireworks and crackers are often encountered in detection, particularly, the ignition time is short, and detection personnel cannot escape to a safe distance before arriving, so that the safety of the detection personnel is threatened.
disclosure of Invention
the invention aims to solve the problems that the existing method for measuring the ignition time of the fireworks and crackers adopts manual measurement, has high consumption of human resources, more measurement influence factors, low verifiability, potential personal safety hazards and the like.
In order to achieve the purpose, the invention adopts the following technical scheme: a method for determining the ignition time of fireworks and crackers comprises the following steps:
s1, fixing the object to be measured,
selecting a proper fixed base, clamping the object to be detected, and starting a power supply;
s2, electronic ignition,
According to different positions of a lead wire of an object to be detected, an electric push rod or a gooseneck is utilized to enable an ignition tube of an electronic igniter to be close to the lead wire, the lead wire is contacted with an ignition ball, and the lead wire is clamped;
s3, measuring the ignition time,
After the lead is ignited, timing is started, the acousto-optic sensor receives sound and illumination changes, an electric signal is transmitted to the control processing unit, and timing is stopped;
S4, storing and processing the data,
And the microprocessor stores the ignition time and cleans the site after the detonation stops.
Further, the electronic igniter is started by adopting a wireless remote control or a line control switch.
Further, the ignition time is displayed through a display screen on the side wall of the cabinet body or wirelessly transmitted to a computer for storage.
further, in order to prevent the device from being damaged by burning or the like during the setting off process or to extinguish the fire by using the fire extinguishing mechanism 17 when the setting off process is finished and the cleaning process is performed.
correspondingly, the device for measuring the ignition time of the fireworks and crackers comprises an auxiliary mechanism, a control processing unit and an ignition mechanism,
The auxiliary mechanism comprises a cabinet body, a test bed, a cabinet door, a fixed base, a clamp holder, a power plug and a switch button,
The top of the cabinet body is provided with a test bed, the test bed is provided with a fixed base, the fixed base has various specifications, the shape and the height are different according to the size, the shape and the lead position of an object to be tested, the fixed base is provided with a clamp holder, the clamp holder is an elastic mechanism and can extrude and lock the object to be tested,
The front of the cabinet body is hinged with a cabinet door which can be opened and closed, and the cabinet door can be provided with an opening and closing lock;
A power plug, a switch button and a display screen are arranged on the side face of the cabinet body, the switch button is used for displaying in a light-emitting mode when being started, one end of the power plug is connected with a power line, and the other end of the power plug is connected with a transformer and then provides power for the control processing unit and the ignition mechanism;
the interior of the cabinet body and the surface of the test bed are provided with control processing units,
the control processing unit comprises a microprocessor, a timing chip, an illumination sensor and a sound-sensitive sensor, the timing chip, the illumination sensor and the sound-sensitive sensor are respectively communicated with the microprocessor in two directions, the microprocessor is connected with a transformer and a power plug, the microprocessor controls the timing chip, the illumination sensor and the sound-sensitive sensor to start and store transmitted signals and data, the microprocessor simultaneously controls the action of the ignition mechanism,
the ignition mechanism comprises a position adjusting device, an electronic igniter and an ignition tube,
The position adjusting device adjusts the position of the electronic igniter according to the difference of the positions of the leads of the object to be detected, the ignition tube is tubular and is telescopically arranged on the side wall of the electronic igniter, the electronic igniter comprises an ignition ball and a lead, the lead is connected to the microprocessor of the control processing unit, the ignition ball is connected to the ignition tube, and the leads are limited in the ignition tube to be in contact with the ignition ball.
Furthermore, in order to move conveniently, the bottom end of the machine body is fixedly connected with four universal wheels, and the universal wheels are provided with brake devices.
Further, in order to reduce the damage to electronic elements in the cabinet body, the test bed is thicker than the material of the cabinet body, and the bottom is provided with a rubber shock absorption and sound absorption pad.
further, still be provided with the battery in the cabinet body, the battery passes through power plug charges, the display screen shows electric quantity, voltage, available time, cabinet side still is provided with emergency stop button.
furthermore, the control processing unit also comprises a wireless transceiver, the remote controller transmits a switch signal through the wireless transceiver, and the microprocessor transmits the experimental data to the computer through the wireless transceiver.
further, the wireless transceiving apparatus employs at least one of the following protocols: bluetooth, radio frequency, infrared, WIFF.
Further, the fixed base is detachably mounted on the top of the experiment table and can be in a shape of a disc with a groove, a square uncovered box body or a hollow cylinder.
furthermore, the position adjusting device of the ignition mechanism is a gooseneck, the gooseneck is a bendable metal shaping hose, the bottom of the gooseneck is fixed on the test bed, and the top of the gooseneck is fixedly connected with the electronic igniter.
Further, ignition mechanism's position control device is electric putter, electric putter includes fixing base and horizontal motor, vertical motor, and the bottom is installed the cabinet is internal, electric putter passes rectangular shape breach on the laboratory bench, and the top can drive electronic igniter level and vertical removal, electric putter by the cross regulation of cabinet side is according to the drive.
Furthermore, the ignition mechanism further comprises a bottom plate, a protection plate and a clamping spring, wherein the bottom plate is fixedly connected to the bottom of the electronic igniter, the protection plate can prevent the electronic igniter from being damaged by the explosion of the object to be tested, and the clamping spring is arranged at the front end of the ignition tube and can clamp and fix the lead.
further, in order to save measuring time and ensure safety, a fire extinguishing mechanism is arranged on the experiment table, the fire extinguishing mechanism is connected with the microprocessor, and dry ice or water is adopted for extinguishing under the dangerous condition that the device is possibly damaged by burning and the like.
The working principle of the invention is as follows:
The electronic ignition device is used for automatically igniting the lead wire, so that the danger caused by manual approach ignition is avoided. An automatic timing device is adopted to start timing when an ignition ball of the electronic igniter emits instant high temperature. The lighting sensor and the sound sensor are used for detecting the time of triggering the object to be detected, wherein the time can be sudden light or explosion decibel change, and part of the fireworks simultaneously have light and sound, and the signal detected firstly is used as an end signal.
Because the fireworks and crackers have different shapes, sizes and lead positions, common leads are mainly arranged below the side surface or on the edge of the top, and a small number of conical and columnar firework leads are arranged at the tip of the top. The method is characterized in that a detachable multi-specification fixing base is adopted to fix fireworks and crackers, a position adjusting device is adopted to adjust the position of an electronic igniter, the position adjusting device can be a gooseneck and an electric push rod, the gooseneck is convenient to adjust and low in cost, if the electronic igniter is a firecracker, a protective baffle needs to be added to prevent the electronic igniter from being damaged by explosion, the protective plate has weight, and the gooseneck deforms under the action of larger force; the electric push rod is driven by the cross adjusting button, can move horizontally and vertically, and can adjust the length of the ignition tube to be close to the position of the lead.
the invention has the following beneficial effects:
1. the method and the device for determining the ignition time of the fireworks and crackers have high automation degree and accurate timing, can be used for measuring by one person, save a large amount of labor, and can store and transmit data;
2. the safety is high, the harm of non-compliant products to personnel is avoided, and the personnel can operate and control the safety device out of a safe distance;
3. Due to the particularity of the firework and firecracker set off, the measurement is carried out outdoors according to the regulations, the storage battery is additionally arranged to increase the endurance of the measuring device, the measuring device can be used under the condition without commercial power, the universal wheels capable of braking are arranged at the bottom of the cabinet body, the movement is convenient, the measuring device is compact in size, small in occupied space and convenient for vehicle transportation;
4. the fire extinguishing mechanism is arranged, after the setting off is finished, the remaining fire of the object to be tested can be extinguished, and the safety can be guaranteed when the object to be tested falls down or the fireworks and crackers are unqualified and dangerous conditions such as open fire occur in the setting off process.
drawings
FIG. 1 is a flow chart illustrating the steps of a method for determining the ignition time of fireworks and crackers according to the present invention;
FIG. 2 is a schematic perspective view of the firework and firecracker ignition time measuring device with an electric push rod for detecting long strip fireworks;
FIG. 3 is a schematic perspective view of the device for measuring the ignition time of fireworks and crackers with gooseneck according to the present invention for detecting firecrackers;
FIG. 4 is a schematic perspective view of the device for measuring the ignition time of fireworks and crackers with a fire extinguishing mechanism for detecting box-type fireworks according to the present invention;
Fig. 5 is a perspective view of the electronic igniter and the shield, the bottom plate, and the lead wire contacting the ignition ball according to the present invention.
illustration of the drawings: 1. a cabinet body; 101. a universal wheel; 2. a test bed; 3. a control processing unit; 301. an illumination sensor; 302. a sound sensitive sensor; 4. an electronic igniter; 401. a guard plate; 402. igniting the tube; 403. a clamp spring; 404. a base plate; 5. a cabinet door; 501. opening and closing a lock; 6. a power plug; 7. a cross adjustment button; 8. a display screen; 9. a switch button; 10. an emergency stop button; 11. an electric push rod; 12. a fixed base; 13. a holder; 14. an object to be tested; 15. a lead wire; 16. a gooseneck; 17. a fire extinguishing mechanism.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The first embodiment is as follows:
As shown in FIG. 2, a device for measuring the ignition time of fireworks and crackers comprises an auxiliary mechanism, a control processing unit 3 and an ignition mechanism,
The auxiliary mechanism comprises a cabinet body 1, a test bed 2, a cabinet door 5, a fixed base 12, a clamp holder 13, a power plug 6 and a switch button 9, wherein the test bed 2 is arranged at the top of the cabinet body 1, the fixed base 12 is installed on the test bed 2, the fixed base 12 has various specifications, the shape and the height of the fixed base are different according to the size, the shape and the position of a lead 15 of an object to be tested 14, the clamp holder 13 is installed on the fixed base 12, the clamp holder 13 is an elastic mechanism and can extrude and lock the object to be tested 14, the cabinet door 5 capable of being opened and closed is hinged to the front of the cabinet body 1, and the cabinet door 5 can be; a power plug 6, a switch button 9 and a display screen 8 are arranged on the side face of the cabinet body 1, the switch button 9 is luminous when being started, one end of the power plug 6 is connected with a power line, and the other end of the power plug is connected with a transformer and then supplies power to the control processing unit 3 and the ignition mechanism; the interior of the cabinet body 1 and the surface of the test bed 2 are provided with a control processing unit 3,
the control processing unit 3 comprises a microprocessor, a timing chip, an illumination sensor 301 and a sound sensitive sensor 302, the timing chip, the illumination sensor 301 and the sound sensitive sensor 302 are respectively in two-way communication with the microprocessor, the microprocessor is connected with a transformer and a power plug 6, the microprocessor controls the timing chip, the illumination sensor 301 and the sound sensitive sensor 302 to start and store transmitted signals and data, the microprocessor controls the ignition mechanism to act simultaneously,
the ignition mechanism comprises a position adjusting device, an electronic igniter 4 and an ignition tube 402, wherein the position adjusting device adjusts the position of the electronic igniter 4 according to the difference of the positions of the leads 15 of the object to be tested 14, the ignition tube 402 is tubular and is telescopically arranged on the side wall of the electronic igniter 4, the electronic igniter 4 comprises an ignition ball and a lead, the lead is connected to the microprocessor of the control processing unit 3, the ignition ball is connected into the ignition tube 402, and the leads 15 are limited in the ignition tube 402 and are in contact with the ignition ball.
the fixed base 12 is detachably installed on the top of the experiment table and is hollow cylindrical. Can fix the slender rod-shaped fireworks, the fixed base 12 is detachably installed on the top of the experiment table. Ignition mechanism's position control device is electric putter 11, electric putter 11 includes fixing base and horizontal motor, vertical motor, and the bottom is installed the cabinet is internal 1, electric putter 11 passes rectangular shape breach on the laboratory bench, the top can drive 4 levels of electronic igniter and vertical removal, electric putter 11 by the cross adjustment button 7 of the 1 side of the cabinet body drives.
as shown in fig. 5, in practical application, the ignition mechanism further includes a bottom plate 404, a protective plate 401, and a clamping spring 403, where the bottom plate 404 is fixedly connected to the bottom of the electronic igniter 4, the protective plate 401 can prevent the electronic igniter 4 from being damaged by the explosion of the object to be measured 14, and the clamping spring 403 is installed at the front end of the ignition tube 402 and can clamp and fix the lead 15.
example two:
As shown in fig. 4, the other parts are the same as the first embodiment except that the fixing base 12 is a square uncovered box body, and the square box type multi-fire firework is locked by the elastic clamp.
example three:
As shown in fig. 3, the other parts are the same as the first embodiment except that the position adjusting device of the ignition mechanism is a gooseneck 16, the gooseneck 16 is a bendable metal shaped hose, the bottom part is fixed on the test bed 2, and the top part is fixedly connected with the electronic igniter 4. The fixed base 12 is a disk with grooves.
Example four:
The other parts are the same as the first embodiment except that the control processing unit 3 further comprises a wireless transceiver through which the remote controller transmits the switching signal, and the microprocessor transmits the experimental data to the computer. The wireless transceiving device adopts at least one of the following protocols: bluetooth, radio frequency, infrared, WIFF.
example five:
the other parts are the same as the first embodiment, except that four universal wheels 101 are fixedly connected to the bottom end of the machine body for moving conveniently, and the universal wheels 101 are provided with braking devices. In order to reduce the damage to the electronic elements in the cabinet body 1, the test bed 2 is thicker than the material of the cabinet body 1, and the bottom of the test bed is provided with a rubber shock absorption and sound absorption pad. Still be provided with the battery in the cabinet body 1, the battery passes through power plug 6 charges, display screen 8 shows electric quantity, voltage, available time, cabinet body 1 side still is provided with scram button 10.
Example six:
the rest of the experiment table is the same as the first embodiment, as shown in fig. 4, except that in order to save the measuring time and ensure the safety, a fire extinguishing mechanism 17 is arranged on the experiment table, the fire extinguishing mechanism 17 is connected with a microprocessor, and after the timing is finished, dry ice or water is used for extinguishing the remaining fire.
correspondingly, the method for determining the ignition time of the fireworks and crackers is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
s1, fixing the object to be tested 14,
Selecting a proper fixed base 12, clamping the object to be detected 14, and starting a power supply;
s2, electronic ignition,
According to different positions of the lead 15 of the object to be measured 14, the ignition tube 402 of the electronic igniter 4 is close to the lead 15 by using the electric push rod 11 or the gooseneck 16, the lead 15 is contacted with the ignition ball, and the lead 15 is clamped;
s3, measuring the ignition time,
after the lead 15 is ignited, timing is started, the acousto-optic sensor receives sound and illumination changes, an electric signal is transmitted to the control processing unit 3, and timing is stopped;
S4, storing and processing the data,
and the microprocessor stores the ignition time and cleans the site after the detonation stops. In order to prevent the device from being damaged by burning and the like in the burning process or adopt the fire extinguishing mechanism 17 to extinguish fire when the burning is finished and the cleaning is close to.
the electronic igniter 4 is started by adopting a wireless remote control or a line control switch, and the ignition time is displayed by a display screen 8 on the side wall of the cabinet body 1 or wirelessly transmitted to a computer for storage.
The illumination sensor is a sensor for detecting illumination intensity, illumination for short, and the working principle is to convert the illumination intensity into a voltage value.
The acoustic sensor is a sensor for detecting a change in sound, and is electrically set when wired, operates in a high/low sensitivity range mode, detects a change in decibel, and outputs an electric signal.
Gooseneck is also called as a coil pipe, a metal shaping hose and a metal piece which can be bent at will and determines the direction. The multifunctional desk lamp is usually used for illumination, medical use and the like. The gooseneck consists of a fixing and supporting system and a guiding system. The fixing and supporting system can conveniently install and detach the gooseneck at the top of the injection head; the potential weak link of the gooseneck is stress deformation, and the strength requirement of the gooseneck must be considered.
The electric push rod is also called a linear driver, is a novel linear actuating mechanism mainly composed of a motor push rod, a control device and other mechanisms, and can be considered as an extension of a rotating motor in the aspect of structure.
In conclusion, the invention has the advantages of high automation degree, labor saving, accurate detection, higher efficiency and high safety.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (13)
1. The utility model provides a fireworks and crackers time measuring device that ignites which characterized in that: comprises an auxiliary mechanism, a control processing unit (3) and an ignition mechanism,
The auxiliary mechanism comprises a cabinet body (1), a test bed (2), a cabinet door (5), a fixed base (12), a clamp holder (13), a power plug (6) and a switch button (9),
the top of the cabinet body (1) is provided with a test bed (2), a fixed base (12) is installed on the test bed (2), the fixed base (12) has various specifications, the shape and the height are different according to the size, the shape and the position of a lead (15) of an object to be tested (14), a clamp holder (13) is installed on the fixed base (12), the clamp holder (13) is an elastic mechanism and can extrude and lock the object to be tested (14),
A cabinet door (5) which can be opened and closed is hinged in front of the cabinet body (1), and the cabinet door (5) can be provided with a switch lock (501);
A power plug (6), a switch button (9) and a display screen (8) are arranged on the side face of the cabinet body (1), the switch button (9) is luminous and displays when being started, one end of the power plug (6) is connected with a power line, and the other end of the power plug is connected with a transformer and then provides power for the control processing unit (3) and the ignition mechanism;
the interior of the cabinet body (1) and the surface of the test bed (2) are provided with control processing units (3),
The control processing unit (3) comprises a microprocessor, a timing chip, an illumination sensor (301) and a sound-sensitive sensor (302), the timing chip, the illumination sensor (301) and the sound-sensitive sensor (302) are respectively communicated with the microprocessor in a bidirectional mode, the microprocessor is connected with a transformer and a power plug (6), the microprocessor controls the timing chip, the illumination sensor (301) and the sound-sensitive sensor (302) to be started and stores transmitted signals and data, the microprocessor controls the ignition mechanism to act simultaneously,
The ignition mechanism comprises a position adjusting device, an electronic igniter (4) and an ignition tube (402),
the position adjusting device adjusts the position of the electronic igniter (4) according to the difference of the position of the lead (15) of the object to be detected (14), the ignition tube (402) is tubular and is telescopically arranged on the side wall of the electronic igniter (4), the electronic igniter (4) comprises an ignition ball and a lead, the lead is connected to a microprocessor of the control processing unit (3), the ignition ball is connected into the ignition tube (402), and the lead (15) is limited in the ignition tube (402) and is in contact with the ignition ball.
2. a fireworks and crackers ignition time measuring device according to claim 1, characterized in that: the bottom end of the machine body is fixedly connected with four universal wheels (101), and the universal wheels (101) are provided with brake devices.
3. a fireworks and crackers ignition time measuring device according to claim 1, characterized in that: the test bed (2) is thicker than the cabinet body (1) and is provided with a rubber damping and sound absorbing pad at the bottom.
4. a fireworks and crackers ignition time measuring device according to claim 1, characterized in that: still be provided with the battery in the cabinet body (1), the battery passes through power plug (6) charge, electric quantity, voltage, available time are shown in display screen (8), cabinet body (1) side still is provided with scram button (10).
5. A fireworks and crackers ignition time measuring device according to claim 1, characterized in that: the control processing unit (3) further comprises a wireless transceiver, the remote controller transmits a switch signal through the wireless transceiver, and the microprocessor transmits the experimental data to the computer through the wireless transceiver.
6. A fireworks and crackers ignition time measuring device according to claim 5, characterized in that: the wireless transceiving device adopts at least one of the following protocols: bluetooth, radio frequency, infrared, WIFF.
7. A fireworks and crackers ignition time measuring device according to any one of claims 1-5, characterized in that: the fixed base (12) is detachably arranged on the top of the experiment table and can be in a disc shape with grooves, a square uncovered box shape or a hollowed cylindrical shape.
8. A fireworks and crackers ignition time measuring device according to any one of claims 1-5, characterized in that: the position adjusting device of the ignition mechanism is a gooseneck (16), the gooseneck (16) is a bendable metal shaping hose, the bottom of the gooseneck is fixed on the test bed (2), and the top of the gooseneck is fixedly connected with the electronic igniter (4).
9. a fireworks and crackers ignition time measuring device according to any one of claims 1-5, characterized in that: the position adjusting device of the ignition mechanism is an electric push rod (11), the electric push rod (11) comprises a fixed seat, a horizontal motor and a vertical motor, the bottom of the electric push rod is installed in the cabinet body (1), the electric push rod (11) penetrates through a long strip-shaped notch on the experiment table, the top of the electric push rod can drive the electronic igniter (4) to horizontally and vertically move, and the electric push rod (11) is driven by a cross adjusting button (7) on the side face of the cabinet body (1).
10. A fireworks and crackers ignition time measuring device according to claim 9, characterized in that: the ignition mechanism further comprises a bottom plate (404), a protection plate (401) and a clamping spring (403), wherein the bottom plate (404) is fixedly connected to the bottom of the electronic igniter (4), the protection plate (401) can prevent the electronic igniter (4) from being damaged by the explosion of the object to be tested (14), and the clamping spring (403) is installed at the front end of the ignition tube (402) and can clamp and fix the lead (15).
11. a fireworks and crackers ignition time measuring device according to any one of claims 1, 2, 3, 4, 5, 10, characterized in that: be provided with fire extinguishing mechanism (17) on the laboratory bench, fire extinguishing mechanism (17) are connected with microprocessor, adopt dry ice or water to put out the excessive fire under the unexpected circumstances such as burning appear.
12. the method for determining the ignition time of a firework and firecracker ignition time measuring device according to claim 1, wherein: comprises the following steps of (a) carrying out,
S1, fixing the object to be measured (14),
Selecting a proper fixed base (12), clamping an object to be detected (14), and starting a power supply;
s2, electronic ignition,
according to different positions of a lead (15) of an object to be detected (14), an ignition tube (402) of the electronic igniter (4) is close to the lead (15) by using an electric push rod (11) or a gooseneck (16), the lead (15) is contacted with the ignition ball, and the lead (15) is clamped;
S3, measuring the ignition time,
After the lead (15) is ignited, timing is started, the acousto-optic sensor receives sound and illumination changes, an electric signal is transmitted to the control processing unit (3), and timing is stopped;
S4, storing and processing the data,
and the microprocessor stores the ignition time and cleans the site after the detonation stops.
13. A method as claimed in claim 12, wherein the method comprises the steps of: the electronic igniter (4) is started by adopting a wireless remote control or a line control switch, and the ignition time is displayed by a display screen (8) on the side wall of the cabinet body (1) or wirelessly transmitted to a computer for storage.
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