CN217561427U - Testing device for fabric burning test in toy - Google Patents
Testing device for fabric burning test in toy Download PDFInfo
- Publication number
- CN217561427U CN217561427U CN202220888309.9U CN202220888309U CN217561427U CN 217561427 U CN217561427 U CN 217561427U CN 202220888309 U CN202220888309 U CN 202220888309U CN 217561427 U CN217561427 U CN 217561427U
- Authority
- CN
- China
- Prior art keywords
- sample
- spindle
- test
- burner
- sample fixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 64
- 239000004744 fabric Substances 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims abstract description 14
- 230000007480 spreading Effects 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims 1
- 230000005012 migration Effects 0.000 abstract description 8
- 238000013508 migration Methods 0.000 abstract description 8
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 239000012634 fragment Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
Abstract
The utility model discloses a testing arrangement for fabric burning test in toy, the power distribution box comprises a box body, be equipped with operation platform in the box, be equipped with the combustor on operation platform, the sample fixing base, sample fixing base slope sets up and is fixed in on operation platform through vertical lift mechanism, with adjustment test sample place height, the combustor passes through horizontal migration mechanism to be fixed on operation platform, with adjustment combustor position, sample fixing base below is located to the combustor, be equipped with controlling means on operation platform, on operation platform with be equipped with the spindle, be equipped with the mark line on the spindle, the mark line extends and fixes on the sample fixing base, the below that lies in the spindle on operation platform is equipped with the photoelectric switch the same with spindle quantity, photoelectric switch is connected with controlling means electricity, be equipped with burning piece collecting box in operation platform's below. Compared with the prior art, the automation of the toy fabric combustion test process is realized, and the simplicity of the test process is improved.
Description
Technical Field
The utility model relates to a detection device, in particular to a test device for fabric burning test in toy.
Background
The inflammability of the fabric refers to the ability of the fabric to ignite and burn under specified test conditions, and if textile materials, plush fabrics, soft fillers and the like in the toy are made of materials with unqualified inflammability test, accidental injury can be caused after the toy meets fire.
The traditional test method usually adopts manual measurement, needs to manually set the relative position of a burner and a test sample, uses a timing tool such as a stopwatch to manually time, and has the defects of complex operation, low test precision, low speed, poor repeatability, high requirement on professional skill and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a testing arrangement for fabric burning test in toy, the technical problem that solve be the automation of flame spreading speed test process when realizing the burning of toy fabric, promote test operation's simplicity, ensure that flame spreading speed is accurate effective.
In order to solve the above problem, the utility model discloses a following technical scheme realizes: the utility model provides a testing arrangement for fabric burning test in toy, the power distribution box comprises a box body, be equipped with operation platform in the box, be equipped with the transparent protection casing that can open on the operation platform, be equipped with the combustor on operation platform, the sample fixing base slope sets up and is fixed in operation platform through vertical lift mechanism on, with the adjustment test sample place height, the combustor passes through horizontal migration mechanism to be fixed on operation platform, with adjustment combustor place position, the combustor locates the sample fixing base below, be equipped with controlling means on operation platform, with the ignition time to the combustor, vertical lift mechanism and horizontal migration mechanism control, on operation platform with be equipped with the spindle that can reciprocate perpendicularly, be equipped with the mark line on the spindle, the mark line extends and fixes on the sample fixing base, in order to hang the spindle on operation platform, lie in the below of spindle and be equipped with the photoelectric switch that the same with the spindle quantity, photoelectric switch is connected with controlling means electricity, after the spindle whereabouts triggers photoelectric switch, controlling means timing the flame process of spreading on sample surface, be equipped with the burning fragment collecting box in operation platform, in order to retrieve the back fragment of burning.
Further, the control device comprises a controller, an equipment switch, a flame regulator, a vertical lifting motor speed regulator and a touch screen, wherein the controller is respectively electrically connected with the equipment switch, the flame regulator, the vertical lifting motor speed regulator, the touch screen, a photoelectric switch and a burner, the equipment switch is used for starting a power supply, and the touch screen is used for inputting and displaying output data to the controller; the flame regulator is also connected with the burner and the air supply tank through pipelines to regulate the height of the flame of the burner, and the vertical lifting motor speed regulator is also connected with the vertical lifting mechanism to control the lifting speed of the vertical lifting mechanism.
Further, be equipped with the pin on the upper end surface of sample fixing base to be used for fixing test sample, be equipped with sample splint on the upper end surface of sample fixing base, be equipped with the jack relative with the pin position on sample splint, so that sample splint pass through the jack and pin joint back, realize that sample splint and sample fixing base are connected fixedly, and the pin is equipped with two sets ofly, and two sets of pins set up respectively on sample fixing base different positions, and the mark line is fixed on the spindle after bypassing two sets of pins respectively.
Further, the combustor is arranged on the central line of the sample fixing seat.
Further, the included angle between the sample fixing seat and the surface of the operating platform is 45 degrees.
Further, the sample clamping plate is of a rectangular frame structure.
Furthermore, the two spindles are respectively connected with a group of pins through marking lines, so that after the marking line close to the combustor burns, the spindle fixed with the marking line falls down, the corresponding photoelectric switch sends a signal to the control device, the control device starts timing, after the other marking line burns, the spindle fixed with the marking line falls down, the corresponding photoelectric switch sends a signal to the control device, and the control device finishes timing, so that the flame spreading process on the surface of the sample is timed.
Compared with the prior art, the utility model, set up sample fixing base, burner, spindle, photoelectric switch on operation platform, be 45 degrees contained angles between sample fixing base and the operation platform and set up, adjust the height of sample fixing base through the vertical lift mechanism, adjust the distance between sample fixing base and the burner through the horizontal migration mechanism, controlling device controls the ignition time of burner, counts time to the flame spreading process on the sample and controls vertical lift mechanism and horizontal migration mechanism; the automation of the combustion test process of the toy fabric is realized, the defects of complex operation, low test accuracy and low speed of the traditional manual test are overcome, the simplicity and convenience of the test process are improved, and the accurate and effective distance between the end part of the burner and the surface of a test sample is ensured; the risk of injury to testing personnel in the adjusting process of the traditional manual testing burner is greatly reduced; the method has the advantages of high automation degree, simplicity and convenience in operation, high testing precision, good repeatability, high safety and the like.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is a position relationship diagram of the photoelectric switch and the spindle according to the present invention.
Fig. 4 is a schematic structural view of the sample clamping plate of the present invention.
Fig. 5 is a schematic structural view of a sample fixing method according to the present invention.
Fig. 6 is a positional relationship diagram of the spindle and the photoelectric switch of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 and fig. 2, the utility model discloses a testing arrangement for fabric burning test in toy, including box 1, be equipped with operation platform 20 in the box 1, be equipped with the transparent protection casing 21 that can open on operation platform 20, be equipped with combustor 3 on operation platform 20, sample fixing base 5 slope sets up and is fixed in on operation platform 20 through vertical lift mechanism 12, with the adjustment test sample place height, combustor 3 is fixed on operation platform 20 through horizontal migration mechanism 13, with the position of adjustment combustor 3, combustor 3 locates sample fixing base 5 below, be equipped with controlling means on operation platform 20, with the ignition time to combustor 3, vertical lift mechanism and horizontal migration mechanism control, on operation platform 20 with be equipped with spindle 18 that can reciprocate perpendicularly, be equipped with mark line 16 on spindle 18, the mark line extends and fixes on sample fixing base 5, with spindle 18 hangs on operation platform 20, be located the below of spindle 18 and be equipped with the photoelectric switch 19 the same with 18 quantity photoelectric switch 19 on operation platform 20, photoelectric switch 19 is connected with the electric connection, the sample recovery device is equipped with the flame after-time of the control of spindle 18, the recovery of the flame after-time of the operation platform 20, the flame recovery device 20 is equipped with the photoelectric switch.
As shown in fig. 1 and fig. 2, the vertical lifting mechanism 12 is disposed on the operation platform 20 through the fixing bracket 4, the vertical lifting mechanism 12 adopts a transmission belt transmission mechanism of the prior art, a fixing plate 17 is disposed on the transmission belt of the vertical lifting mechanism 12, and the sample fixing seat 5 is fixed on the fixing plate 17; however, the present invention is not limited to this, and a screw transmission mechanism or a linear motor may be used as the vertical lift mechanism 12, which is not specifically limited herein.
As shown in fig. 1 and 2, the horizontal moving mechanism 13 is disposed below the operating platform 20 and fixed to the operating platform 20 through a bracket, and the operating platform 20 is provided with a hollow hole, so that after the sample is burned, the fragments can fall into the fragment collection box 8; the horizontal moving mechanism 13 can adopt a transmission belt transmission mechanism in the prior art, a slide block 2 is arranged on a transmission belt of the horizontal moving mechanism 13, a fixed cross rod 22 is arranged on the slide block 2, and the burner 3 is fixed on the fixed cross rod 22; however, the present invention is not limited to this, and a screw transmission mechanism or a linear motor may be used as the horizontal movement mechanism. And is not particularly limited herein.
As shown in fig. 1, the control device comprises a controller 7, an equipment switch 9, a flame regulator 11, a vertical lift motor speed regulator 14 and a touch screen 10, wherein the controller 7 is electrically connected with the equipment switch 9, the flame regulator 11, the vertical lift motor speed regulator 14, the touch screen 10, a photoelectric switch 19 and the burner 3 respectively, the equipment switch 9 is used for turning on a power supply, and the touch screen 10 is used for inputting and displaying output data to the controller 7; the flame regulator 11 is also connected with the burner 3 and the air supply tank through pipelines so as to regulate the flame height of the burner 3, and the vertical lifting motor speed regulator 14 is also connected with the vertical lifting mechanism 12 so as to control the lifting speed of the vertical lifting mechanism 12; the controller 7 is used for controlling the on-off of the gas source, the ignition reset of the burner, the flame height, the start of the driving vertical lifting mechanism and the horizontal moving mechanism and the like, the ignition time, the burner placing angle and the motor moving speed of the vertical lifting mechanism can be manually input and set through the touch screen 10, and the flame spreading speed of the test sample is calculated and displayed.
Through the structure, the automatic control of the burner is realized, the precision of the testing distance is improved, the defect that the traditional manual testing flame adjusting operation is complex is overcome, and the risk of harm to testers in the flame adjusting process of the burner is reduced.
The utility model discloses in, combustor 3 is through the distance between its and the sample fixing base 5 of horizontal migration mechanism 13 adjustment, and sample fixing base 5 is then fixed the sample on sample fixing base 5 and the interval between the burner of combustor 3 through the adjustment of vertical lift mechanism.
As shown in fig. 4 and 5, a pin 15 is disposed on the upper end surface of the sample fixing seat 5 for fixing a test sample, a sample clamping plate 6 is disposed on the upper end surface of the sample fixing seat 5, a jack 61 is disposed on the sample clamping plate 6 and opposite to the pin 15, so that after the sample clamping plate 6 is connected with the pin 15 through the jack 61, the sample clamping plate 6 is connected and fixed with the sample fixing seat 5, two sets of pins 15 are disposed, the two sets of pins 15 are respectively disposed on different positions of the sample fixing seat 5, the jacks 61 and the pins 15 are disposed in one-to-one correspondence, and the mark lines 16 are respectively fixed on the spindle 18 after bypassing the two sets of pins 15; specifically, two sets of pins 15 and sample fixing base 5 just awaken to be connected, and pin 15 is used for fixing the sample and expandes, and sample splint 6 then is used for flattening all around the sample the utility model discloses in, every group pin 15 is equipped with two, and the left and right sides of sample fixing base 5 is located to every group pin 15.
As shown in fig. 2, the burner 3 is disposed on the center line of the sample holder 5 to ensure the accuracy of the test result, the air inlet of the flame regulator 11 is connected to an externally connected air supply tank in which n-butane gas is stored, and the outlet of the flame regulator 11 is connected to the air inlet of the burner 3.
The utility model discloses well sample fixing base 5 is 45 with contained angle between operation platform 20's the surface, and sample fixing base 5 inclines towards 3 directions of combustor from vertical lift mechanism 12.
As shown in fig. 5, the sample clamping plate 6 is a rectangular frame structure, the insertion holes 61 are respectively arranged at the left and right sides of the sample clamping plate 6, and accordingly, each group of pins 15 are arranged at the left and right sides of the sample fixing seat 5 and are in one-to-one correspondence with the insertion holes 61.
As shown in fig. 6, two spindles 18 are provided, two spindles 18 are respectively connected with a set of pins 15 through a marking line 16, so that after the marking line close to the burner 3 is burnt, the spindle 18 fixed with the spindle falls, the corresponding photoelectric switch 19 sends a signal to the control device, the control device starts timing, when the other marking line 16 is burnt, the spindle 18 fixed with the spindle falls, the corresponding photoelectric switch 19 sends a signal to the control device, and the control device finishes timing to realize timing of the flame propagation process on the surface of the sample. Specifically, the spindle 18 is movably fixed on the operation platform 20 through a metal rod 181, and the marking line 16 is a mercerized white cotton line with a maximum linear density of 50; the two spindles 18 respectively correspond to a group of pins 15, one end of each marking line 16 is fixed on one spindle 18, and the other end of each marking line bypasses the group of pins 15 on the sample fixing seat 5 and then is connected and fixed with the spindle 18. Before the test, the spindle 18 is in a pulled and suspended state, after two marking lines 16 are sequentially burnt off, the corresponding spindle 18 falls, namely, the marking line 16 close to the burner 3 (positioned at the lower end of the sample fixing seat 5) burns firstly, the spindle 18 fixed with the spindle falls off and then triggers the corresponding photoelectric switch 19, the photoelectric switch 19 sends a signal to the control device, the control device starts to time, when the other marking line 16 (positioned at the upper end of the sample fixing seat 5) burns, the spindle 18 fixed with the spindle falls off and then triggers the corresponding photoelectric switch 19, the photoelectric switch 19 sends a signal to the control device, and the control device stops to time, so that the flame spreading process on the surface of the sample between the two marking lines is timed.
During testing, the preprocessed sample is fixed on the pin 15 of the sample fixing seat 5, the test sample is slightly tensioned to avoid corrugation or curling, the sample clamping plate 6 is placed, and the pin is ensured to pass through the insertion hole 61 of the sample clamp. A marker line 16 is secured across the sample on each set of pins 15 of the sample holder 5, connecting the spindles 18 and ensuring that the marker line 16 is under sufficient tension with respect to the sample. And (3) turning on the equipment switch 10, outputting corresponding parameters through the touch screen 10, controlling the horizontal moving mechanism 13 and the vertical lifting mechanism 12 by the controller 7 to adjust the relative positions of the combustor 3 and the sample, moving the combustor 3 to a position where the vertical distance between the top end of the combustor and the lower edge of the test sample is 30mm, and resetting the combustor 3 after positioning is finished.
When the ignition test is carried out, an instruction is input through the touch screen 10, the controller 7 opens the air source and the ignition switch of the combustor 3, the height of flame is finely adjusted to 40mm through the flame adjusting switch 11, and the staying time of the combustor 3 below a test sample, namely the time of flame contacting the test sample, is set to be 10s. After the test is started, the burner 3 is driven to a position below the test sample by the horizontal moving mechanism 13, the air source is closed after the flame contacts the sample for 10s, and the burner is extinguished and reset. And observing whether the sample catches fire or is extinguished after catching fire, and if both the marking lines 16 are blown after catching fire, displaying the flame spreading speed through the touch screen 10 by the controller 7.
Compared with the prior art, the invention has the advantages of high automation degree, simple and convenient operation, high test precision, good repeatability, high safety and the like.
Claims (7)
1. A testing arrangement for fabric burning test in toy which characterized in that: comprises a box body (1), an operating platform (20) is arranged in the box body (1), an openable transparent protective cover (21) is arranged on the operating platform (20), a burner (3) and a sample fixing seat (5) are arranged on the operating platform (20), the sample fixing seat (5) is obliquely arranged and fixed on the operating platform (20) through a vertical lifting mechanism (12) so as to adjust the height of a tested sample, the burner (3) is fixed on the operating platform (20) through a horizontal moving mechanism (13) so as to adjust the position of the burner (3), the burner (3) is arranged below the sample fixing seat (5), a control device is arranged on the operating platform (20) so as to control the ignition time, the vertical lifting mechanism and the horizontal moving mechanism of the burner (3), a spindle (18) capable of vertically moving up and down is arranged on the operating platform (20), a marking line (16) is arranged on the spindle (18), the marking line extends and is fixed on the sample fixing seat (5) so as to suspend the spindle (18) on the operating platform (20), the same number of the spindle (18) as that a photoelectric switch (19) is electrically connected with a photoelectric switch (19) and a photoelectric switch (19) so as the spindle (19) is arranged on the operating platform (20) so as the photoelectric switch to trigger the spindle, and then the spindle (19) so as to trigger the control device, the control device is used for timing the flame spreading process on the surface of the sample, and a burning debris collection box (8) is arranged below the operating platform (20) so as to recover the burnt debris.
2. The test device for fabric burn test in a toy of claim 1, wherein: the control device comprises a controller (7), an equipment switch (9), a flame regulator (11), a vertical lifting motor speed regulator (14) and a touch screen (10), wherein the controller (7) is electrically connected with the equipment switch (9), the flame regulator (11), the vertical lifting motor speed regulator (14), the touch screen (10), a photoelectric switch (19) and the burner (3) respectively, the equipment switch (9) is used for starting a power supply, and the touch screen (10) is used for inputting and displaying output data to the controller (7); the flame regulator (11) is also connected with the burner (3) and the air supply tank through pipelines to regulate the flame height of the burner (3), and the vertical lifting motor speed regulator (14) is also connected with the vertical lifting mechanism (12) to control the lifting speed of the vertical lifting mechanism (12).
3. The test device for fabric burning test in toy according to claim 1, wherein: be equipped with pin (15) on the upper end surface of sample fixing base (5), be used for fixing the test sample, be equipped with sample splint (6) on the upper end surface of sample fixing base (5), be equipped with jack (61) relative with pin (15) position on sample splint (6), so that sample splint (6) are connected the back through jack (61) and pin (15), it is fixed to realize sample splint (6) and sample fixing base (5) are connected, pin (15) are equipped with two sets ofly, two sets of pin (15) set up respectively on sample fixing base (5) different positions, mark line (16) are walked around two sets of pin (15) after-fixing respectively on spindle (18).
4. A test device for fabric burning tests in toys, according to any one of claims 1-3, wherein: the burner (3) is arranged on the central line of the sample fixing seat (5).
5. The test device for fabric burning test in toy according to claim 4, wherein: the included angle between the sample fixing seat (5) and the surface of the operating platform (20) is 45 degrees.
6. The test device for fabric burning test in toy according to claim 5, wherein: the sample clamping plate (6) is of a rectangular frame structure.
7. The test device for fabric burn test in a toy of claim 6, wherein: the two spindles (18) are respectively connected with a group of pins (15) through marking lines, so that after the marking line close to the combustor (3) is combusted, the spindle (18) fixed with the marking line falls down, a corresponding photoelectric switch (19) sends a signal to a control device, the control device starts timing, when the other marking line is combusted, the spindle (18) fixed with the marking line falls down, the corresponding photoelectric switch (19) sends a signal to the control device, and the control device finishes timing to realize timing of a flame spreading process on the surface of a sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220888309.9U CN217561427U (en) | 2022-04-15 | 2022-04-15 | Testing device for fabric burning test in toy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220888309.9U CN217561427U (en) | 2022-04-15 | 2022-04-15 | Testing device for fabric burning test in toy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217561427U true CN217561427U (en) | 2022-10-11 |
Family
ID=83471731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220888309.9U Expired - Fee Related CN217561427U (en) | 2022-04-15 | 2022-04-15 | Testing device for fabric burning test in toy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217561427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117571916A (en) * | 2024-01-15 | 2024-02-20 | 广东精正检测有限公司 | Toy inflammability detection adjustable comprehensive combustion testing device and testing method |
| CN117571916B (en) * | 2024-01-15 | 2024-05-17 | 广东精正检测有限公司 | Toy inflammability detection adjustable comprehensive combustion testing device and testing method |
-
2022
- 2022-04-15 CN CN202220888309.9U patent/CN217561427U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117571916A (en) * | 2024-01-15 | 2024-02-20 | 广东精正检测有限公司 | Toy inflammability detection adjustable comprehensive combustion testing device and testing method |
| CN117571916B (en) * | 2024-01-15 | 2024-05-17 | 广东精正检测有限公司 | Toy inflammability detection adjustable comprehensive combustion testing device and testing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203535890U (en) | Fire simulation testing platform for charging and replacing station of electric automobiles | |
| CN217561427U (en) | Testing device for fabric burning test in toy | |
| CN206074538U (en) | A kind of rigid foam vertical combustion performance tester | |
| CN206489132U (en) | Combustion test room | |
| JP4824412B2 (en) | Combustion testing machine | |
| CN103116000B (en) | Automatic cigarette ignition tendency test device | |
| CN204945073U (en) | A kind of dust fires proving installation | |
| CN219320204U (en) | Flame-retardant detection device for sofa cloth | |
| CN211348095U (en) | Horizontal and vertical combustion testing machine | |
| CN215263318U (en) | Vertical combustion tester for automotive interior material | |
| CN215005171U (en) | Testing device for toy surface flicker | |
| CN210570780U (en) | Three-foot digital sensor multi-channel hand press tester | |
| CN213364671U (en) | Flame retardant property tester | |
| CN212031385U (en) | Test device for evaluating fire resistance of large-diameter cable | |
| CN210180990U (en) | Horizontal combustion tester | |
| CN209727883U (en) | Safety net flame retardant property detection device | |
| CN210222065U (en) | Burning testboard for circuit board of gas wall-mounted boiler | |
| CN212459577U (en) | Combustion tester | |
| CN220019506U (en) | Automatic flame height measuring device for horizontal and vertical combustion test box | |
| CN201096736Y (en) | Fully automatic self-ignition point tester | |
| CN208705680U (en) | A kind of detection device of image recognition kitchen range ignition performance | |
| CN210572068U (en) | Asphalt opening flash point testing device | |
| CN215263319U (en) | Flame-retardant tester for textile and clothing | |
| CN109507364A (en) | A kind of fire-retardant system safety testing device and method of welding face guard | |
| CN206208812U (en) | Glow Wire Tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221011 |