CN108344833A - Thermal cell heating plate automatic measurement burn rate device and its detection method - Google Patents
Thermal cell heating plate automatic measurement burn rate device and its detection method Download PDFInfo
- Publication number
- CN108344833A CN108344833A CN201810321983.7A CN201810321983A CN108344833A CN 108344833 A CN108344833 A CN 108344833A CN 201810321983 A CN201810321983 A CN 201810321983A CN 108344833 A CN108344833 A CN 108344833A
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- Prior art keywords
- heating plate
- shell
- control computer
- holder
- digital camera
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/30—Deferred-action cells
- H01M6/36—Deferred-action cells containing electrolyte and made operational by physical means, e.g. thermal cells
Abstract
The invention discloses a kind of thermal cell heating plate automatic measurement burn rate device and its detection methods, it include the holder that tests the speed for placing heating plate, igniter positioned at holder side of testing the speed, igniter is for lighting the heating plate to test the speed on holder, digital camera is additionally provided with above the holder that tests the speed, digital camera is provided with camera cradle, and digital camera is additionally provided with camera lens, filtering apparatus is provided on camera lens, filtering apparatus is provided with optical filter；Igniter is connected with ignition controller, and ignition controller control igniter lights the heating plate to test the speed on holder.The present invention is affected by human factors small for detecting thermal cell heating plate burning velocity, and detection error is small, saves heating plate.
Description
Technical field
The present invention relates to thermal cell technical fields, and in particular to a kind of thermal cell heating plate automatic measurement burn rate device and its
Detection method.
Background technology
Thermal cell is that one kind dissolving salt electrolyte reserve type battery, due to it have it is higher than energy and specific power, and
It can work normally under various rugged environments, therefore be widely used in Aerospace Products, thermal cell shape is logical
It is often cylindrical type, it is internal to be generally 2V or so, the anode of each monomer and adjacent list equipped with several groups single battery single batteries
If the cathode of body by a metallic conduction piece be connected connect n monomer, then output voltage by be monomer battery voltage n times of
The single battery of thermal cell is generally by positive plate using five slice structure, spacer (electrolyte), negative plate, flow collection sheet, adds
Backing.This five kinds of slice, thin pieces are made to circle, and the electrolyte inside thermal cell is nonconducting solid, electrode activity at normal temperatures
Substance and electrolyte without chemical reaction, are in off working state each other, and self-discharge of battery is few, and when use uses electric current
The heating plate for lighting inside battery makes internal temperature of battery quickly rise to 800 DEG C or more, to activated batteries, in the short time
It is interior that required DC voltage and electric current can be provided to consuming parts.The detection of heating plate burning velocity is very crucial, by this
A little detection datas determine the discharge time of thermal cell and the product quality of heating plate.But existing detection technique is almost artificial entirely
It completes, tester is laid with one in a plane site and is more than 10 meters of heating plate bands, while manually lighting heating plate, by people
Work presses manual time-keeping, is obtained simultaneously in heating plate after-flame, stops timing by manually pressing stopwatch, pass through changing for time and length
It calculates, obtains heating plate burning velocity.The shortcomings that prior art is：Detection is affected by human factors, and heating plate burning velocity is fast, inspection
Survey error is big, and a large amount of heating plate wasted.Using thermal cell heating plate automatic measurement burn rate device, above-mentioned lack is overcome
Point improves measurement accuracy, saves man power and material.
The prior art uses manual testing, and lighting for thermal cell heating plate is lighted a fire with match by craft, is extremely endangered
Danger and inconvenience.
Invention content
In view of at least one defect of the prior art, the object of the present invention is to provide a kind of thermal cell heating plates to survey automatically
Amount burn rate device and its detection method are affected by human factors small, detection error for detecting thermal cell heating plate burning velocity
It is small, save heating plate.
In order to achieve the above object, the present invention adopts the following technical scheme that, a kind of thermal cell heating plate automatic measurement burn rate
Device, it is critical that including the holder that tests the speed for placing heating plate, the igniter positioned at holder side of testing the speed, igniter
For lighting the heating plate to test the speed on holder, digital camera is additionally provided with above the holder that tests the speed, digital camera is through picture
Machine support supports, and is provided with filtering apparatus on the camera lens of digital camera, filtering apparatus is provided with optical filter；Igniter and igniting
Controller is connected, and ignition controller control igniter lights the heating plate to test the speed on holder.
Ignition controller of the present invention can be the control button of distal end, and ignition controller can also be default ignition procedure
Computer, the switching signal for the wireless remote control that can also be.These are all existing mature technologies.
The present invention is arranged by above structure, and the heating plate of thermal cell is placed on and is tested the speed on holder, ignition control is passed through
Device remote control igniter is powered, and heating plate is lighted in igniter fever, captures image photograph by the digital camera of high speed and obtains
Heating plate burning time is taken, i.e., checks that heating plate burns the beginning and ending time by digital camera slow play, digital camera can
It shows shooting time, the burning velocity of heating plate can be calculated in conjunction with the length of heating plate band, burning velocity is equal to heating plate band
Length divided by the burning beginning and ending time, i.e. the method for background technology.
The ignition controller of the present invention can also be control computer, and control computer obtains the picture number of digital camera
According to, the image number with bright spot is gone out using image processing software Analysis and Screening, in conjunction with digital camera sample frequency f, plus
Backing diameter d calculates the burning velocity of heating plate.Filtering apparatus is provided with optical filter；Optical filter is convenient for for removing stray light
The burning for capturing heating plate is bright.This kind of mode is only needed in the one piece of heating plate of placement on holder that tests the speed.
Ignition controller computer in order to control；The digital camera is connected with control computer, control computer
The heating plate burning image photo that digital camera is captured is obtained, control computer is calculated according to heating plate burning image photo to be added
The burning velocity of backing.
Above structure setting effect be：Control computer goes out the figure with bright spot using image processing software Analysis and Screening
As number, the burning velocity of heating plate is calculated in conjunction with sample frequency f, the heating plate diameter d of digital camera.
The camera cradle includes pedestal, and telescopic rod is vertically arranged on pedestal, and the top of telescopic rod, which is horizontally arranged with, hangs
Bar, the fixed digital camera on sunpender.
Above structure setting effect be：Telescopic rod is convenient for for adjusting the distance between digital camera and heating plate
Capture sizeable image photograph.
The holder that tests the speed, igniter may be contained in the shell of sealing, and shell includes body and shell cover, and shell cover is by transparent
Material is made, and the upper surface of body is provided with the groove of annular, is provided with sealing ring in a groove, and the upper surface of sealing ring is stretched out
Groove is abutted with shell cover, and the outside of shell cover and body is connected by latch components；The inner wall of shell is provided with pressure sensor, shell
Body is also connected with vacuum pump through electromagnetism extraction valve, and the air pressure signal in pressure sensor detection shell passes to control computer,
Control computer controls the switch of electromagnetism extraction valve and vacuum pump；The body is also associated with Manual air-release valves.
Due to heating plate it is possible that being used in highlands, highlands air pressure is low, influences the burning velocity of heating plate, on
The effect for stating structure setting is：The low pressure in simulated high altitude area measures the burning velocity of heating plate at low pressure.
Vacuum pump reduces air pressure, rather than is evacuated for extracting gas in shell.
The holder that tests the speed, igniter may be contained in the shell of sealing, and electromagnetism extraction valve is controlled by control computer
It is opened with vacuum pump, shell is vacuumized, you can reduce the air pressure in shell, pressure sensor is for detecting air pressure in shell；
When pressure reaches the air pressure threshold value of control computer setting in shell, control computer controls electromagnetism extraction valve and vacuum pump closes
It closes.
Shell cover is made of clear material, and is shot convenient for digital camera, after having shot, is opened Manual air-release valves and is discharged gas
Pressure, then shell cover and body can be disassembled rapidly by opening latch components.
The inner wall of the shell is additionally provided with Temperature Humidity Sensor, and shell is also connected with boiler through electromagnetism humidifier valve, warm and humid
Temperature-humidity signal in degree sensor detection shell passes to control computer, and control computer control electromagnetism humidifier valve is opened
It closes；
The outer wall bottom of the shell is additionally provided with condenser, and condenser is connected with refrigeration equipment, and control computer is also controlled
The switch of refrigeration equipment processed.
Wherein boiler generates steam for heating water.
Very big in some local humidity, in order to detect heating plate in the burning velocity in high humility area, shell is also through electromagnetism
Humidifier valve is connected with boiler, and control computer opens electromagnetism humidifier valve, you can supplements steam, Temperature Humidity Sensor detection to shell
Temperature-humidity signal in shell passes to control computer, when moisture signal reaches the humidity threshold of control computer, control
Computer closes electromagnetism humidifier valve.
In winter, some local temperature are very low, in order to detect heating plate low temp area burning velocity, the shell
Outer wall bottom is additionally provided with condenser, and control computer also controls refrigeration equipment opening, is cooled down to shell by condenser, simulation
The burning velocity of heating plate in low temperature environment.Control computer obtains the temperature signal in shell by Temperature Humidity Sensor,
When temperature signal reaches the temperature threshold of control computer, control computer closes refrigeration equipment
Wherein condenser and refrigeration equipment are existing mature technology.
The upper and lower surface of the sealing ring is respectively provided with the leakproof groove of at least one annular.
Increase leakproof groove by the upper and lower surface in sealing ring, increases the length of air leakage path, reduce air
Leakage.It prevents after vacuumizing decompression, extraneous air enters in shell.
The holder that tests the speed includes pillar, and the holder item of at least three radial arrangements is installed in the upper end of pillar,
The end of holder item is provided with collet.Above structure is arranged heating plate easy to support, and heating plate upper and lower with
Air contacts, and does not influence the burning velocity of heating plate, and collet prevents heating plate in combustion process for clamping heating plate
Middle vibration influences digital camera shooting.
The filtering apparatus includes columnar shade, in the fixed optical filter in the lower end of shade, in shade
Wall is disposed radially at least three sliding slots, and radially sliding is provided with sliding block, the bottom that sliding block passes through spring and sliding slot in sliding slot
Portion connects, and one end inside of sliding block towards digital camera is provided with inclined-plane, and camera lens squeezes inclined-plane under the effect of external force makes cunning
Block is inserted into sliding slot contract, camera lens between sliding block, and sliding block blocks camera lens under the propulsive thrust of spring, thus by filtering apparatus card
Mounted in the lower end of camera lens.
Above structure setting effect be：Convenient for rapidly assembling and disassembling filtering apparatus, when holding shade to camera lens side
To when making power, the outer wall of camera lens, which squeezes inclined-plane, makes sliding block to sliding slot contract, and the distance between sliding block increases, and camera lens is inserted into sliding block
Between, block camera lens in the propulsive thrust sliding block of spring.
Shade, sliding block are made of plastics, and avoid the outer wall of card bad camera lens.
The ignition coil of the igniter connects heating plate through gunpowder spill；It is provided with shading above the gunpowder spill
Cover, hood cover gunpowder spill.Gunpowder spill is for igniting.
Ignition coil connects heating plate through gunpowder spill；Convenient for the more reliable heating plate that ignites；Hood covers gunpowder twirl
The light sent out when son burning, when the light sent out when preventing gunpowder spill from burning influences digital camera shooting heating plate burning
Light.
A kind of control method of thermal cell heating plate automatic measurement burn rate device, it is automatic for the thermal cell heating plate
Burn rate device is measured, key is：Include the following steps：
Step A：Control computer obtains the sample frequency f of digital camera input by user, heating plate diameter d；
Step B：Control computer obtains user instruction control igniter and lights the heating plate to test the speed on holder；Add lighting
Digital camera video recording is controlled while backing；
Step C：Control computer obtains the heating plate burning image photo that digital camera is captured；
Step D：It is n that control computer goes out the image number with bright spot by image processing software Analysis and Screening；
It is filtered out stray light due to being used in optical filter, image processing software Analysis and Screening is facilitated to go out the figure with bright spot
The identification technology of picture, the image processing software belongs to the prior art, belongs to the scope of machine vision；
Step E：Control computer is according to formula：V=d/ (n (1/f)) calculates heating plate burning velocity；
Wherein V is the burning velocity of heating plate, and f is the sample frequency of digital camera, and d is heating plate diameter.
Heating plate has bright spot in burning, it is known that a diameter of d of heating plate, computer pass through image processing software Analysis and Screening
It is n to go out the image number with bright spot, and the sample frequency of image is f, if v is equal to the burning velocity of heating plate, according to formula：V
=d/ (n (1/f)) can calculate heating plate burning velocity.
It is arranged by above-mentioned method, you can easily calculate heating plate burning velocity；Reduce artificial timing factor shadow
It rings, detection error is small, saves a large amount of heating plate.
Advantageous effect:The present invention provides a kind of thermal cell heating plate automatic measurement burn rate device and its detection methods, use
In detection thermal cell heating plate burning velocity, it is affected by human factors small, detection error is small, saves heating plate.
Description of the drawings
Fig. 1 is the structure chart of the present invention；
Fig. 2 is the portions the A enlarged drawing of Fig. 1；
Fig. 3 is the portions the B enlarged drawing of Fig. 1；
Fig. 4 is the structure chart of holder of testing the speed；
Fig. 5 is the structure chart of filtering apparatus；
Fig. 6 is the structure chart of igniter.
Fig. 7 is the exploded view of Fig. 6；
Fig. 8 is the circuit diagram of firing circuit；
Fig. 9 is the circuit structure diagram of the present invention；
Figure 10 is flow chart of the method for the present invention.
Specific implementation mode
Invention is further described in detail in the following with reference to the drawings and specific embodiments.
As shown in Fig. 1-Figure 10, the present invention provides a kind of thermal cell heating plate automatic measurement burn rate devices, including are used for
The holder 1 that tests the speed of heating plate, the igniter 2 positioned at 1 side of holder of testing the speed are placed, igniter 2 tests the speed for lighting on holder 1
Heating plate is additionally provided with digital camera 3 in the top for the holder 1 that tests the speed, and digital camera 3 is supported through camera cradle 31, number
Filtering apparatus 33 is provided on the camera lens 32 of video camera 3, filtering apparatus 33 is provided with optical filter 331；Igniter 2 and ignition control
Device is connected, and ignition controller control igniter 2 lights the heating plate to test the speed on holder 1.
The ignition controller of the present invention can be the control button of distal end, and ignition controller can also be default ignition procedure
Computer, the switching signal for the wireless remote control that can also be.These are all existing mature technologies.
Digital camera 3 supports on the ground through camera cradle 31.
The present invention is arranged by above structure, and the heating plate of thermal cell is placed on and is tested the speed on holder 1, ignition control is passed through
Device remote control igniter 2 is powered, and heating plate is lighted in the fever of igniter 2, and image photograph is captured by the digital camera 3 of high speed
Heating plate burning time is obtained, i.e., checks that heating plate burns the beginning and ending time by 3 slow play of digital camera, digital camera 3
It can show shooting time, the burning velocity of heating plate can be calculated in conjunction with the length of heating plate band, burning velocity is equal to heating
The length of piece band divided by burning beginning and ending time, the i.e. method of background technology.
The ignition controller of the present invention can also be control computer, and control computer obtains the image of digital camera 3
Data go out the image number with bright spot using image processing software Analysis and Screening, in conjunction with digital camera 3 sample frequency f,
Heating plate diameter d calculates the burning velocity of heating plate.Filtering apparatus 33 is provided with optical filter 331；Optical filter 331 is for going to clean
Astigmatism, convenient for capturing the burning light of heating plate.This kind of mode is only needed in the one piece of heating plate of placement on holder 1 that tests the speed.
Ignition controller computer 4 in order to control；The digital camera 3 is connected with control computer 4, and control calculates
Machine 4 obtains the heating plate burning image photo that digital camera 3 is captured, and control computer 4 is according to heating plate burning image photo
Calculate the burning velocity of heating plate.
Above structure setting effect be：Control computer 4 is gone out using image processing software Analysis and Screening with bright spot
Image number calculates the burning velocity of heating plate in conjunction with sample frequency f, the heating plate diameter d of digital camera 3.
The camera cradle 31 includes pedestal 311, and telescopic rod 312, the top of telescopic rod 312 are vertically arranged on pedestal 311
End is horizontally arranged with sunpender 313, the fixed digital camera 3 on sunpender 313.
Above structure setting effect be：Telescopic rod 312 is used to adjust the distance between digital camera 3 and heating plate,
Convenient for capturing sizeable image photograph.
The upper end of the digital camera 3 is installed with sliding sleeve 314；The sliding of sliding sleeve 314 is threaded through on sunpender 313, sliding sleeve 314
It is radially also equipped with holding screw 315, sliding sleeve 314 is fixed on sunpender 313 by holding screw 315.
Above structure setting effect be：Holding screw 315 is unclamped, digital camera 3 can be slided left and right on sunpender 313
It is dynamic, after being moved to suitable position, holding screw 315 is screwed, digital camera 3 is fastened on sunpender 313.
The holder 1 that tests the speed, igniter 2 may be contained in the shell 6 of sealing, and shell 6 includes body 61 and shell cover 62, shell
Lid 62 is made of clear material, and the upper surface of body 61 is provided with the groove 611 of annular, and sealing ring is provided in groove 611
63, the upper surface of sealing ring 63 is stretched out groove 611 and is abutted with shell cover 62, and shell cover 62 and the outside of body 61 pass through latch components 70
Connection；The inner wall of shell 6 is provided with pressure sensor 64, and shell 6 is also connected with vacuum pump 66 through electromagnetism extraction valve 65, and pressure passes
The air pressure signal that sensor 64 detects in shell 6 passes to control computer 4, and control computer 4 controls electromagnetism extraction valve 65 and true
The switch of sky pump 66；The body 61 is also associated with Manual air-release valves 72.
Due to heating plate it is possible that being used in highlands, highlands air pressure is low, influences the burning velocity of heating plate, on
The effect for stating structure setting is：The low pressure in simulated high altitude area measures the burning velocity of heating plate at low pressure.
Vacuum pump 66 reduces air pressure, rather than is evacuated for extracting gas in shell 6.
The holder 1 that tests the speed, igniter 2 may be contained in the shell 6 of sealing, and controlling electromagnetism by control computer 4 takes out
Air valve 65 and vacuum pump 66 are opened, and are vacuumized to shell 6, you can reduce the air pressure in shell 6, pressure sensor 64 is for detecting
Air pressure in shell 6；When pressure reaches the air pressure threshold value that control computer 4 is arranged in shell 6, control computer 4 controls electromagnetism
Extraction valve 65 and vacuum pump 66 are closed.
Shell cover 62 is made of clear material, and is shot convenient for digital camera 3, after having shot, is opened Manual air-release valves 72 and is released
It deflates and presses, then shell cover 62 and body 61 can be disassembled rapidly by opening latch components 70.
Pressure control device is provided in the control computer 4, pressure control device obtains pressure threshold input by user
Value, control electromagnetism extraction valve 65 and vacuum pump 66 open pumping, obtain the pressure signal that pressure sensor 64 detects, when pressure passes
When the pressure signal of sensor 64 is equal with pressure threshold input by user, controls extraction valve 65 and vacuum pump 66 is closed.
The inner wall of the shell 6 is additionally provided with Temperature Humidity Sensor 67, and shell 6 is also connected with boiler through electromagnetism humidifier valve 68
69, Temperature Humidity Sensor 67 detects the temperature-humidity signal in shell 6 and passes to control computer 4, and control computer 4 controls electromagnetism
The switch of humidifier valve 68；
The outer wall bottom of the shell 6 is additionally provided with condenser 71, and condenser 71 is connected with refrigeration equipment, control computer
4 also control the switch of refrigeration equipment.
Very big in some local humidity, in order to detect heating plate in the burning velocity in high humility area, shell 6 is also through electromagnetism
Humidifier valve 68 is connected with boiler 69, and control computer 4 opens electromagnetism humidifier valve 68, you can supplements steam to shell 6, humiture passes
The temperature-humidity signal that sensor 67 detects in shell 6 passes to control computer 4, when moisture signal reaches the wet of control computer 4
When spending threshold value, control computer 4 closes electromagnetism humidifier valve 68.
In winter, some local temperature are very low, in order to detect heating plate low temp area burning velocity, the shell 6
Outer wall bottom is additionally provided with condenser 71, and control computer 4 also controls refrigeration equipment opening, is dropped to shell 6 by condenser 71
Temperature simulates the burning velocity of the heating plate in low temperature environment.Control computer 4 is obtained by Temperature Humidity Sensor 67 in shell 6
Temperature signal, when temperature signal reach control computer 4 temperature threshold when, control computer 4 close refrigeration equipment.
Wherein condenser 71 and refrigeration equipment are existing mature technology.
Humidity conditioner is provided in the control computer 4, humidity conditioner obtains humidity threshold input by user
Value, control electromagnetism humidifier valve 65 open humidification, and humidity conditioner obtains 67 moisture signal of Temperature Humidity Sensor, humid control dress
When setting the moisture signal for judging Temperature Humidity Sensor 67 and equal humidity threshold input by user, control electromagnetism humidifier valve 65 closes
It closes；
Temperature control equipment is provided in the control computer 4, temperature control equipment obtains temperature threshold input by user
Value, temperature control equipment control refrigeration equipment and open cooling, and temperature control equipment obtains the temperature signal of Temperature Humidity Sensor 67,
When temperature control equipment judges the temperature signal and equal temperature threshold input by user of Temperature Humidity Sensor 67, temperature control dress
Control electromagnetism humidifier valve 65 is set to close.
The upper and lower surface of the sealing ring 63 is respectively provided at least together leakproof groove 63a of annular.
Increase leakproof groove 63a by the upper and lower surface in sealing ring 63, increase the length of air leakage path, reduces empty
Gas leakage.It prevents after vacuumizing decompression, extraneous air enters in shell 6.
The holder 1 that tests the speed includes pillar 11, and the branch of at least three radial arrangements is installed in the upper end of pillar 11
Frame item 12 is provided with collet 13 in the end of holder item 12.
The lower end of pillar 11 is fixed on the intracavity bottom of shell 6.
As shown in figure 3, the collet 13 includes clamp clip 131, the end of the outer end and holder item 12 of clamp clip 131
It is hinged, tension spring 132 is provided between the inner end and holder item 12 of clamp clip 131, the inner end lower surface of clamp clip is additionally provided with card
Tooth 133.
Heating plate easy to support is arranged in above structure, and heating plate upper and lower is contacted with air, does not influence heating plate
Burning velocity, collet 13 prevented heating plate from vibrating in combustion, influences digital camera for clamping heating plate
Machine 3 is shot.
The filtering apparatus 33 includes columnar shade 332, in the fixed optical filter 331 in the lower end of shade 332,
The inner wall of shade 332 is disposed radially at least three sliding slots 333, and radially sliding is provided with sliding block 334 in sliding slot 333,
Sliding block 334 is connect by spring 335 with the bottom of sliding slot 333, and one end inside of sliding block 334 towards digital camera 3 is provided with
Inclined-plane 334a, camera lens 32 squeezes inclined-plane 334a under the effect of external force makes sliding block 334 to 333 contract of sliding slot, and camera lens 32 is inserted into
Between sliding block 334, sliding block 334 blocks camera lens 32 under the propulsive thrust of spring 335, to which filtering apparatus 33 is installed on camera lens 32
Lower end.
Above structure setting effect be：Convenient for rapidly assembling and disassembling filtering apparatus 33, when holding shade 332 to mirror
When first 32 direction makes power, the outer wall of camera lens 32, which squeezes inclined-plane 334a, makes sliding block 334 to 333 contract of sliding slot, between sliding block 334
Distance increases, and camera lens 32 is inserted between sliding block 334, and camera lens 32 is blocked in the propulsive thrust sliding block 334 of spring 335.
Shade 332, sliding block 334 are made of plastics, and avoid the outer wall of card bad camera lens 32.
The ignition coil 21 of the igniter 2 connects heating plate through gunpowder spill 5；The top of the gunpowder spill 5 is arranged
There are hood 51, hood 51 to cover gunpowder spill 5.The lower end of hood 51 is supported on the intracavity bottom of shell 6.
Ignition coil 21 connects heating plate through gunpowder spill 5；Convenient for the more reliable heating plate that ignites；Hood 51 covers fire
The light that the slender roll of medicated paper or gauze 5 is sent out when burning, the bright digital camera 3 that influences sent out when preventing gunpowder spill 5 from burning shoot heating
Light when piece burns.
A kind of control method of thermal cell heating plate automatic measurement burn rate device, it is automatic for the thermal cell heating plate
Burn rate device is measured, key is：Include the following steps：
Step A：Control computer 4 obtains the sample frequency f of digital camera 3 input by user, heating plate diameter d；
Step B：Control computer 4 obtains user instruction control igniter 2 and lights the heating plate to test the speed on holder 1；Point
Control digital camera 3 is recorded a video while firing heating plate；
Step C：Control computer 4 obtains the heating plate burning image photo that digital camera 3 is captured；
Step D：It is n that control computer 4 goes out the image number with bright spot by image processing software Analysis and Screening；
It is filtered out stray light due to being used in optical filter 331, image processing software Analysis and Screening is facilitated to go out with bright spot
The identification technology of image, the image processing software belongs to the prior art；
Step E：Control computer 4 is according to formula：V=d/ (n (1/f)) calculates heating plate burning velocity；
Wherein V is the burning velocity of heating plate, and f is the sample frequency of digital camera 3, and d is heating plate diameter.
It is arranged by above-mentioned method, you can easily calculate heating plate burning velocity；Reduce artificial timing factor shadow
It rings, detection error is small, saves a large amount of heating plate.
The igniter 2 includes 22, two insulator terminals 23 of shell and ignition coil 21, and the upper surface of shell 22 is arranged
There are two via, the lower end of two insulator terminals 23 penetrates fixed in shell 22, two 23 upper ends of insulator terminal through via respectively
Between ignition coil 21 is set, two insulator terminals 23 are both provided with axle center hole, and the both ends of ignition coil 21 are penetrated through axle center hole
The inner cavity of shell 22 is fixedly installed porcelain connecting terminal 24, both ends and the porcelain terminals of ignition coil 21 in the inner cavity of shell 22
Two output ends of son 24 are connected, and two input terminals of porcelain connecting terminal 24 are for connecting firing circuit.
Two insulator terminals 23 of the present invention are used to support facilitates tie point with fixed ignition coil 21, porcelain connecting terminal 24
Firewire circle 21 and firing circuit give ignition coil 21 to be powered by firing circuit, and ignition coil 21 is heated rubescent, heating of igniting
Piece, Kindling paper.
The present invention for thermal cell heating plate, Kindling paper light a fire, have it is compact-sized, carry it is easy to maintenance, securely and reliably
The characteristics of.
The firing circuit includes relay J, transformer BY；Control computer 4 controls the coil power on/off of relay J,
The primary coil break-make AC power of the normal open switch control transformer BY of relay J, the secondary coil both ends of transformer BY with
Two input terminals of porcelain connecting terminal 24 connect.
It is powered by the coil of 4 remote control relay J of control computer, the normal open switch of relay J is closed, and control becomes
The primary coil of depressor BY connects AC power, the secondary coil both ends output voltage of transformer BY, and ignition coil 21 is powered.Instead
It, then control computer 4 controls ignition coil 21 and powers off.
Described two insulator terminals 23 are cased with the first sheath 26, and the upper surface of the first sheath 26 and shell 22 is connected.
First sheath 26 is made of stainless steel material, beautiful antirust.
The via, body is arranged including body and the upper cover 211 being fixed on body, upper cover 211 in the shell 22
Including mutually connected back seat 212 and front stall 213, back seat 212 and 213 opposite side of front stall are vertically arranged with notch, two
Notch is encircled into the inner cavity of shell 22, and the interior fixed porcelain connecting terminal 24 of intracavitary, the lower end of two insulator terminals 23 is through via
Stretch into inner cavity, the lower ending opening of inner cavity.
The front stall 213 is provided with through-hole, is equipped with the second sheath 27 in through-hole, in the inner end of the second sheath 27 is stretched into
Front stall 213 is stretched out in the outer end of chamber, the second sheath 27, and the second sheath 27 is provided with conducting wire via, the secondary coil two of transformer BY
End is connect through conducting wire via with two input terminals of porcelain connecting terminal 24 by conducting wire.
The upper cover 211, back seat 212, front stall 213 and the second sheath 27 are made of stainless steel material.Upper cover 211,
It is bolted between back seat 212, front stall 213.
The inner cavity is fixedly provided with desiccant pack 28.
It is additionally provided with radiating fin in the outer surface of upper cover 211, back seat 212, front stall 213；Increase the heat dissipation effect of igniter,
The present embodiment figure omits.
The ignition coil 21 is formed by resistance wire coiling.
Control computer 4 is through PLC and relay driving electromagnetism extraction valve 65 and vacuum pump 66, igniter 2, electromagnetism humidifier valve
65 and refrigeration equipment.
Finally it should be noted that be：Listed above is only specific embodiments of the present invention, the technology of certain this field
Personnel can be modified to the present invention and modification, if these modifications and variations belong to the claims in the present invention and its equivalent skill
Within the scope of art, it is considered as protection scope of the present invention.
Claims (10)
1. a kind of thermal cell heating plate automatic measurement burn rate device, which is characterized in that include the branch that tests the speed for placing heating plate
Frame (1), the igniter (2) positioned at the holder that tests the speed (1) side, igniter (2) are used to light the heating plate on the holder that tests the speed (1),
Digital camera (3) is additionally provided with above the holder that tests the speed (1), digital camera (3) is supported through camera cradle (31), number
Filtering apparatus (33) is provided on the camera lens (32) of video camera (3), filtering apparatus (33) is provided with optical filter (331)；Igniter
(2) it is connected with ignition controller, ignition controller control igniter (2) lights the heating plate on the holder that tests the speed (1).
2. thermal cell heating plate automatic measurement burn rate device according to claim 1, it is characterised in that：The ignition control
Device computer (4) in order to control；The digital camera (3) is connected with control computer (4), and control computer (4) obtains number
The heating plate burning image photo that video camera (3) is captured, control computer (4) are calculated according to heating plate burning image photo and are heated
The burning velocity of piece.
3. thermal cell heating plate automatic measurement burn rate device according to claim 1, it is characterised in that：The camera cradle
(31) include pedestal (311), telescopic rod (312) is vertically arranged on pedestal (311), the top of telescopic rod (312) is laterally arranged
There is sunpender (313), the fixed digital camera (3) on sunpender (313).
4. thermal cell heating plate automatic measurement burn rate device according to claim 1, it is characterised in that：The holder that tests the speed
(1), igniter (2) may be contained in the shell (6) of sealing, and shell (6) includes body (61) and shell cover (62), shell cover (62) by
Transparent material is made, and the upper surface of body (61) is provided with the groove (611) of annular, and sealing ring is provided in groove (611)
(63), the upper surface of sealing ring (63) is stretched out groove (611) and is abutted with shell cover (62), and shell cover (62) and the outside of body (61) are logical
Cross latch components (70) connection；The inner wall of shell (6) is provided with pressure sensor (64), and shell (6) is also through electromagnetism extraction valve
(65) it is connected with vacuum pump (66), the air pressure signal in pressure sensor (64) detection shell (6) passes to control computer
(4), the switch of control computer (4) control electromagnetism extraction valve (65) and vacuum pump (66)；The body (61) is also associated with hand
Dynamic vent valve (72).
5. thermal cell heating plate automatic measurement burn rate device according to claim 4, it is characterised in that：The shell (6)
Inner wall be additionally provided with Temperature Humidity Sensor (67), shell (6) is also connected with boiler (69), humiture through electromagnetism humidifier valve (68)
Temperature-humidity signal in sensor (67) detection shell (6) passes to control computer (4), and control computer (4) controls electromagnetism
The switch of humidifier valve (68)；
The outer wall bottom of the shell (6) is additionally provided with condenser (71), and condenser (71) is connected with refrigeration equipment, and control calculates
Machine (4) also controls the switch of refrigeration equipment.
6. thermal cell heating plate automatic measurement burn rate device according to claim 4, it is characterised in that：The sealing ring
(63) upper and lower surface is respectively provided with the leakproof groove (63a) of at least one annular.
7. thermal cell heating plate automatic measurement burn rate device according to claim 1, it is characterised in that：The holder that tests the speed
(1) include pillar (11), the holder item (12) of at least three radial arrangements is installed in the upper end of pillar (11), in holder
The end of item (12) is provided with collet (13).
8. thermal cell heating plate automatic measurement burn rate device according to claim 1, it is characterised in that：The filtering apparatus
(33) include columnar shade (332), in the fixed optical filter in lower end (331) of shade (332), in shade (332)
Inner wall be disposed radially at least three sliding slots (333), radially sliding is provided with sliding block (334), sliding block in the sliding slot (333)
(334) connect with the bottom of sliding slot (333) by spring (335), sliding block (334) towards digital camera (3) one end on the inside of
It is provided with inclined-plane (334a), camera lens (32) squeezes inclined-plane (334a) under the effect of external force makes sliding block (334) into sliding slot (333)
It shrinking, camera lens (32) is inserted between sliding block (334), and sliding block (334) blocks camera lens (32) under the propulsive thrust of spring (335), from
And filtering apparatus (33) is installed on to the lower end of camera lens (32).
9. thermal cell heating plate automatic measurement burn rate device according to claim 1, it is characterised in that：The igniter
(2) ignition coil (21) connects heating plate through gunpowder spill (5)；It is provided with hood above the gunpowder spill (5)
(51), hood (51) covers gunpowder spill (5).
10. a kind of detection method of thermal cell heating plate automatic measurement burn rate device, adds for the thermal cell described in claim 2
Backing automatic measurement burn rate device, it is characterised in that：Include the following steps：
Step A：Control computer (4) obtains the sample frequency f, heating plate diameter d of digital camera (3) input by user；
Step B：Control computer (4) obtains user instruction control igniter (2) and lights the heating plate on the holder that tests the speed (1)；
Control digital camera (3) is recorded a video while lighting heating plate；
Step C：Control computer (4) obtains the heating plate burning image photo that digital camera (3) is captured；
Step D：It is n that control computer (4) goes out the image number with bright spot by image processing software Analysis and Screening；
Step E：Control computer (4) is according to formula：V=d/ (n (1/f)) calculates heating plate burning velocity；
Wherein V is the burning velocity of heating plate, and f is the sample frequency of digital camera (3), and d is heating plate diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321983.7A CN108344833B (en) | 2018-04-11 | 2018-04-11 | Automatic measuring and burning device for heating plate of thermal battery and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321983.7A CN108344833B (en) | 2018-04-11 | 2018-04-11 | Automatic measuring and burning device for heating plate of thermal battery and detection method thereof |
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| CN108344833B CN108344833B (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
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| CN113406264A (en) * | 2021-08-20 | 2021-09-17 | 中国工程物理研究院流体物理研究所 | Explosive burning rate non-contact type measurement experiment device and method based on terahertz waves |
| CN114563524A (en) * | 2022-02-15 | 2022-05-31 | 济南市工程质量与安全中心 | Automatic testing device for flame retardance of escape respirator |
| CN115453199A (en) * | 2022-09-14 | 2022-12-09 | 苏州鼎佳精密科技股份有限公司 | Automatic test equipment of new energy battery heating plate |
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| CN113406264B (en) * | 2021-08-20 | 2021-11-16 | 中国工程物理研究院流体物理研究所 | Explosive burning rate non-contact type measurement experiment device and method based on terahertz waves |
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