CN213813892U - Battery thermal runaway experiment platform - Google Patents
Battery thermal runaway experiment platform Download PDFInfo
- Publication number
- CN213813892U CN213813892U CN202022960697.0U CN202022960697U CN213813892U CN 213813892 U CN213813892 U CN 213813892U CN 202022960697 U CN202022960697 U CN 202022960697U CN 213813892 U CN213813892 U CN 213813892U
- Authority
- CN
- China
- Prior art keywords
- explosion
- proof box
- fire
- proof
- bottom plate
- 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
- 238000002474 experimental method Methods 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 claims description 12
- 239000003381 stabilizer Substances 0.000 claims description 2
- 241001233242 Lontra Species 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 238000009529 body temperature measurement Methods 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a battery thermal runaway experiment platform, including bottom plate, bearing net board, explosion-proof case, blast pipe and control panel, the top of bottom plate is equipped with explosion-proof case, and the one end of explosion-proof incasement portion installs bearing net board to the turning position department of explosion-proof bottom of the case all installs the stand, the bottom of stand and the top fixed connection of bottom plate, be equipped with the blast pipe on the outer wall of explosion-proof case one side, the one end of blast pipe extends to explosion-proof case's inside, and installs the second solenoid valve on the outer wall of blast pipe one end to the blast pipe is kept away from explosion-proof case's one end and is installed circular filter screen, all be fixed with on the blast pipe outer wall at circular filter screen both ends and settle the frame, and all be equipped with on the adjacent circular filter screen outer wall of settling between the frame and agree with the groove. The utility model discloses not only improve the convenience when experiment platform uses, improved the experimental efficiency when experiment platform uses, reduced the pollution that causes the environment when experiment platform uses moreover.
Description
Technical Field
The utility model relates to a battery safety inspection technical field specifically is a battery thermal runaway experiment platform.
Background
The battery is formed by compounding three different materials, has higher charge and discharge capacity, better thermal stability and relatively low price, is widely applied to the fields of computers, communication, consumer electronics products, power and the like, can cause the temperature rise when being in an abnormal charge state or a charge state for too long time, further causes the internal chemical reaction of the battery and generates macroscopic change, and therefore, in order to detect and process the battery, a corresponding experiment platform is required.
Experiment platform on the market is various at present, but the functionality is comparatively single, still has certain problem, can't satisfy people's demand gradually, and concrete problem has following several:
(1) the existing experimental platform is inconvenient to slide and transport to a designated place, and is inconvenient to use;
(2) the existing experiment platform is inconvenient for quickly extinguishing the interior of the explosion-proof box, so that the experiment efficiency is influenced;
(3) the existing experiment platform is inconvenient to purify and discharge the gas in the explosion-proof box, so that the gas is easy to directly diffuse into the air, and the environment is seriously polluted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery thermal runaway experiment platform to it does not be convenient for slide the processing, is not convenient for carry out the quick fire extinguishing to the inside of explosion-proof case and is not convenient for purify the problem of emission processing to the gas of explosion-proof incasement portion to provide the experiment platform in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a battery thermal runaway experiment platform comprises a bottom plate, a bearing screen plate, an explosion-proof box, an exhaust pipe and a control panel, wherein the explosion-proof box is arranged above the bottom plate, the bearing screen plate is arranged at one end inside the explosion-proof box, stand columns are arranged at the corner positions of the bottom end of the explosion-proof box, the bottom end of each stand column is fixedly connected with the top end of the bottom plate, the exhaust pipe is arranged on the outer wall of one side of the explosion-proof box, one end of the exhaust pipe extends into the explosion-proof box, a second electromagnetic valve is arranged on the outer wall of one end of the exhaust pipe, a circular filter screen is arranged at one end, away from the explosion-proof box, of the exhaust pipe, mounting frames are fixed on the outer walls of the exhaust pipes at the two ends of the circular filter screen, engaging grooves are arranged on the outer walls of the circular filter screens between the adjacent mounting frames, supporting legs are arranged at the corner positions of the bottom end of the bottom plate, and sliding structures are arranged at the bottom ends of the supporting legs, sealing door is installed to the one end on explosion-proof box surface, and the both sides on sealing door surface all are equipped with transparent observation window to the explosion-proof box surface mounting of sealing door top has the temperature strapping table, and the explosion-proof box surface mounting of thermometer scale one side has control panel, the output of the inside singlechip of control panel and the input electric connection of second solenoid valve, the input of the inside singlechip of control panel and the output electric connection of thermometer scale.
Preferably, the central position of the top end of the bottom plate is provided with a heater, the central position of the bottom of the explosion-proof box is provided with a three-way pipe, and the bottom end of the three-way pipe extends to the outside of the explosion-proof box and is communicated with the top end of the heater, so that the inside of the explosion-proof box is heated.
Preferably, the interior of the explosion-proof box above the bearing screen plate is provided with a latticed through groove, and the bottom ends of the latticed through grooves are provided with nozzles at equal intervals, so that carbon dioxide gas in the fire extinguishing tank is uniformly sprayed to the interior of the explosion-proof box through the nozzles.
Preferably, one side on explosion-proof box top is fixed with the frame of putting out a fire, and puts out a fire the inside bottom of frame and install the jar of putting out a fire to the fire tube is installed to the one end of jar of putting out a fire, and the one end that the jar of putting out a fire was kept away from to the fire tube extends to the inside of explosion-proof box and is linked together with the top that the groove was led to the check form, installs first solenoid valve on the outer wall of fire tube one side, so that put out a fire to the inside of explosion-proof box and handle.
Preferably, the inside of sliding structure is equipped with lead screw, hand wheel, spiral shell and universal wheel in proper order, the bottom plate bottom of stabilizer blade one side all is equipped with the spiral shell, and the top of spiral shell extends to the outside of bottom plate to settle the processing to the lead screw.
Preferably, the inside threaded connection of spiral shell has the lead screw, and the bottom of lead screw extends to the outside of spiral shell and swivelling joint has the universal wheel to the top of lead screw extends to the outside of spiral shell and installs the hand wheel, makes experiment platform have good function of sliding.
Compared with the prior art, the beneficial effects of the utility model are that: the battery thermal runaway experiment platform not only improves the convenience and the efficiency of the experiment platform in use, but also reduces the pollution to the environment when the experiment platform is used;
(1) the screw rod, the hand wheel, the spiral cylinder and the universal wheel are arranged, the hand wheel is manually rotated to drive the screw rod to rotate and move downwards in the spiral cylinder, the screw rod drives the universal wheel to move downwards synchronously, and when the plane where the bottom end of the universal wheel is located is lower than the plane where the bottom ends of the support legs are located, the universal wheel can be in contact with the ground, so that the experiment platform has a good sliding function, the experiment platform can be conveniently conveyed to a specified place for use in a short distance, and the convenience in use of the experiment platform is improved;
(2) the fire extinguishing tank is provided with the fire extinguishing frame, the fire extinguishing tank, the first electromagnetic valve, the fire extinguishing pipe, the latticed through groove and the nozzle, the first electromagnetic valve is controlled by the operation control panel, so that the fire extinguishing pipe is in an opening and closing state, carbon dioxide gas in the fire extinguishing tank arranged in the fire extinguishing frame flows into the latticed through groove through the fire extinguishing pipe and is uniformly sprayed into the explosion-proof tank through the nozzle, the fire extinguishing treatment can be rapidly performed on the interior of the explosion-proof tank, and the experimental efficiency of the experimental platform during use is improved;
(3) through being provided with the blast pipe, the second solenoid valve, settle the frame, circular filter screen and agree with the groove, through agreeing with the groove calibration in settling frame position department, and press and rotatory circular filter screen again, make circular filter screen install in the one end of blast pipe, and operation control panel control second solenoid valve again, make the blast pipe be the state of opening and shutting, the gas of explosion-proof incasement portion then can be through the blast pipe discharge this moment, carry out filtration treatment to gas through circular filter screen and then pour into to the air in, in order to avoid the gas of explosion-proof incasement portion directly to discharge to the air, thereby the pollution that causes the environment when having reduced the experiment platform and using.
Drawings
Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 2 is a schematic view of a side-view enlarged structure of the circular filter screen of the present invention;
FIG. 3 is a schematic view of the lattice-shaped through-groove of the present invention;
FIG. 4 is an enlarged schematic view of the sliding structure of the present invention;
fig. 5 is the appearance structure schematic diagram of the explosion-proof box of the present invention.
In the figure: 1. a base plate; 2. a column; 3. carrying a screen plate; 4. an explosion-proof box; 5. a latticed through slot; 6. a fire extinguishing frame; 7. a fire extinguishing tank; 8. a first solenoid valve; 9. fire extinguishing pipes; 10. a mounting frame; 11. a circular filter screen; 12. a second solenoid valve; 13. an exhaust pipe; 14. a nozzle; 15. a sliding structure; 1501. a screw rod; 1502. a hand wheel; 1503. a spiral cylinder; 1504. a universal wheel; 16. a three-way pipe; 17. a heater; 18. a support leg; 19. a fitting groove; 20. a control panel; 21. a temperature gauge; 22. a sealing door; 23. a transparent viewing window.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: a battery thermal runaway experiment platform comprises a bottom plate 1, a bearing screen plate 3, an explosion-proof box 4, an exhaust pipe 13 and a control panel 20, wherein the explosion-proof box 4 is arranged above the bottom plate 1, the bearing screen plate 3 is installed at one end inside the explosion-proof box 4, a heater 17 is installed at the center of the top end of the bottom plate 1, the type of the heater 17 can be RDH-6.0, the input end of the heater 17 is electrically connected with the output end of a single chip microcomputer inside the control panel 20, a three-way pipe 16 is installed at the center of the bottom of the explosion-proof box 4, and the bottom end of the three-way pipe 16 extends to the outside of the explosion-proof box 4 and is communicated with the top end of the heater 17 so as to heat the inside of the explosion-proof box 4;
a latticed through groove 5 is formed in the explosion-proof box 4 above the bearing screen plate 3, and nozzles 14 with equal intervals are mounted at the bottom end of the latticed through groove 5, so that carbon dioxide gas in the fire extinguishing tank 7 is uniformly sprayed into the explosion-proof box 4 through the nozzles 14;
a fire extinguishing frame 6 is fixed on one side of the top end of the explosion-proof box 4, a fire extinguishing tank 7 is installed at the bottom end of the interior of the fire extinguishing frame 6, a fire extinguishing pipe 9 is installed at one end of the fire extinguishing tank 7, one end, far away from the fire extinguishing tank 7, of the fire extinguishing pipe 9 extends into the interior of the explosion-proof box 4 and is communicated with the top end of the latticed through groove 5, a first electromagnetic valve 8 is installed on the outer wall of one side of the fire extinguishing pipe 9, the type of the first electromagnetic valve 8 can be 4V210-08, and the input end of the first electromagnetic valve 8 is electrically connected with the output end of a single chip microcomputer in the control panel 20 so as to conduct fire extinguishing treatment on the interior of the explosion-proof box 4;
and the corner position of the bottom end of the explosion-proof box 4 is all installed with the upright post 2, the bottom end of the upright post 2 is fixedly connected with the top end of the bottom plate 1, the outer wall of one side of the explosion-proof box 4 is provided with the exhaust pipe 13, one end of the exhaust pipe 13 extends to the interior of the explosion-proof box 4, the outer wall of one end of the exhaust pipe 13 is installed with the second electromagnetic valve 12, the model of the second electromagnetic valve 12 can be 4V210-08, the end of the exhaust pipe 13 far away from the explosion-proof box 4 is installed with the circular filter screen 11, the outer walls of the exhaust pipes 13 at the two ends of the circular filter screen 11 are all fixed with the mounting frames 10, the outer walls of the circular filter screens 11 between the adjacent mounting frames 10 are all provided with the fitting groove 19, the corner position of the bottom end of the bottom plate 1 is all installed with the support legs 18, the bottom end of the bottom plate 1 at one side of the support legs 18 is all provided with the sliding structure 15, the inside of the sliding structure 15 is sequentially provided with the screw 1501, the hand wheel 1502, the spiral cylinder 1504 and the universal wheel 1503, the bottom end of the bottom plate 1 at one side of the supporting leg 18 is provided with a spiral cylinder 1503, the top end of the spiral cylinder 1503 extends to the outside of the bottom plate 1, the inner thread of the spiral cylinder 1503 is connected with a screw rod 1501, the bottom end of the screw rod 1501 extends to the outside of the spiral cylinder 1503 and is rotatably connected with a universal wheel 1504, and the top end of the screw rod 1501 extends to the outside of the spiral cylinder 1503 and is provided with a hand wheel 1502;
the hand wheel 1502 is manually rotated to drive the screw rod 1501 to rotate and move downwards in the spiral cylinder 1503, the screw rod 1501 drives the universal wheel 1504 to move downwards synchronously, and when the plane where the bottom end of the universal wheel 1504 is located is lower than the plane where the bottom ends of the support legs 18 are located, the universal wheel 1504 can be in contact with the ground, so that the experiment platform has a good sliding function, the experiment platform can be conveniently conveyed to a designated place for use in a short distance, and the convenience of the experiment platform in use is improved;
sealing door 22 is installed to the one end on explosion-proof box 4 surface, and the both sides on sealing door 22 surface all are equipped with transparent observation window 23, and 4 surface mounting of explosion-proof box above sealing door 22 has temperature measurement appearance 21, this temperature measurement appearance 21's model can be PT100, 4 surface mounting of explosion-proof box of temperature measurement appearance 21 one side has control panel 20, this control panel 20's model can be GC-1, the output of the inside singlechip of control panel 20 and the input electric connection of second solenoid valve 12, the input of the inside singlechip of control panel 20 and the output electric connection of temperature measurement appearance 21.
The working principle is as follows: when the experiment platform is used, firstly, the battery is placed at the top of the bearing screen plate 3, then the sealing door 22 is closed, so that the explosion-proof box 4 is in a sealing state, at the moment, the control panel 20 is operated to control the heater 17, so that heat energy is conveyed to the inside of the explosion-proof box 4 through the three-way pipe 16, meanwhile, the temperature meter 21 monitors the temperature inside the explosion-proof box 4, related data can be fed back to the control panel 20 so as to adjust the power of the heater 17 and control the temperature inside the explosion-proof box 4, further, the battery is in the environment with different temperatures for detection processing, then, the hand wheel 1502 is manually rotated to drive the lead screw 1501 to rotate and move downwards in the spiral cylinder 1503, and drive the universal wheel 1504 to synchronously move downwards, when the plane where the bottom end of the universal wheel 1504 is lower than the plane where the bottom end of the support leg 18, the universal wheel 1504 can be in contact with the ground, then the experiment platform has good sliding function, so that the experiment platform can be conveniently conveyed to a specified place for use in a short distance, the convenience of the experiment platform in use is improved, then the experiment state of the battery in the explosion-proof box 4 is observed through the transparent observation window 23, when the battery is unqualified and generates the phenomenon of explosion, the battery in the explosion-proof box 4 generates the phenomenon of combustion, the first electromagnetic valve 8 is controlled through the operation control panel 20, the fire extinguishing pipe 9 is opened and closed, at the moment, the carbon dioxide gas in the fire extinguishing tank 7 arranged in the fire extinguishing frame 6 flows into the latticed through groove 5 through the fire extinguishing pipe 9 and is uniformly sprayed into the explosion-proof box 4 through the nozzle 14, so that the fire extinguishing treatment can be rapidly carried out on the interior of the explosion-proof box 4, the experiment efficiency of the experiment platform in use is improved, and finally the fitting groove 19 is calibrated at the position of the placing frame 10, and press and rotatory circular filter screen 11 again, make circular filter screen 11 install in the one end of blast pipe 13, and operation control panel 20 controls second solenoid valve 12 again, make blast pipe 13 be the state that opens and shuts, the inside gas of explosion-proof case 4 then can discharge through blast pipe 13 this moment, carry out filtration treatment to gas through circular filter screen 11 and then discharge to the air in, in order to avoid the inside gas direct emission of explosion-proof case 4 to the air, the pollution that causes the environment when having reduced the experiment platform use, thereby accomplish experiment platform's use.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a battery thermal runaway experiment platform, includes bottom plate (1), bears otter board (3), explosion-proof box (4), blast pipe (13) and control panel (20), its characterized in that: an explosion-proof box (4) is arranged above the bottom plate (1), a bearing screen plate (3) is installed at one end of the interior of the explosion-proof box (4), stand columns (2) are installed at corner positions of the bottom end of the explosion-proof box (4), the bottom end of each stand column (2) is fixedly connected with the top end of the bottom plate (1), an exhaust pipe (13) is arranged on the outer wall of one side of the explosion-proof box (4), one end of each exhaust pipe (13) extends into the interior of the explosion-proof box (4), a second electromagnetic valve (12) is installed on the outer wall of one end of each exhaust pipe (13), a round filter screen (11) is installed at one end, far away from the explosion-proof box (4), of each exhaust pipe (13) at two ends of each round filter screen (11), mounting frames (10) are fixed on the outer walls of the exhaust pipes (13), conjunction grooves (19) are arranged on the outer walls of the round filter screens (11) between the adjacent mounting frames (10), support legs (18) are installed at corner positions of the bottom end of the bottom plate (1), and bottom plate (1) bottom of stabilizer blade (18) one side all is equipped with sliding structure (15), sealing door (22) are installed to the one end on explosion-proof box (4) surface, and sealing door (22) surperficial both sides all are equipped with transparent observation window (23), and explosion-proof box (4) surface mounting of sealing door (22) top has temperature meter (21), explosion-proof box (4) surface mounting of thermometer scale (21) one side has control panel (20), the output of the inside singlechip of control panel (20) and the input electric connection of second solenoid valve (12), the input of the inside singlechip of control panel (20) and the output electric connection of thermometer scale (21).
2. The thermal runaway experimental platform for batteries of claim 1, wherein: the central position department at bottom plate (1) top installs heater (17), and the central position department of explosion-proof box (4) bottom installs three-way pipe (16), and the bottom of three-way pipe (16) extends to the outside of explosion-proof box (4) and is linked together with the top of heater (17).
3. The thermal runaway experimental platform for batteries of claim 1, wherein: the interior of the explosion-proof box (4) above the bearing screen plate (3) is provided with a latticed through groove (5), and the bottom end of the latticed through groove (5) is provided with nozzles (14) at equal intervals.
4. The thermal runaway experimental platform for batteries of claim 3, wherein: one side on explosion-proof case (4) top is fixed with frame (6) of putting out a fire, and puts out a fire and install jar (7) of putting out a fire in the inside bottom of frame (6) of putting out a fire to put out a fire (9) are installed to the one end of jar (7) of putting out a fire, and the one end that jar (7) of keeping away from in the fire of putting out a fire (9) extends to the inside of explosion-proof case (4) and is linked together with the top that the groove (5) were led to the check form, installs first solenoid valve (8) on the outer wall of fire of putting out a fire (9) one side.
5. The thermal runaway experimental platform for batteries of claim 1, wherein: the inner part of the sliding structure (15) is sequentially provided with a screw rod (1501), a hand wheel (1502), a spiral cylinder (1503) and a universal wheel (1504), the bottom ends of the bottom plates (1) on one sides of the supporting feet (18) are provided with the spiral cylinder (1503), and the top ends of the spiral cylinders (1503) extend to the outer part of the bottom plates (1).
6. The thermal runaway experimental platform for batteries of claim 5, wherein: the inner thread of the spiral cylinder (1503) is connected with a screw rod (1501), the bottom end of the screw rod (1501) extends to the outer portion of the spiral cylinder (1503) and is rotatably connected with a universal wheel (1504), and the top end of the screw rod (1501) extends to the outer portion of the spiral cylinder (1503) and is provided with a hand wheel (1502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022960697.0U CN213813892U (en) | 2020-12-09 | 2020-12-09 | Battery thermal runaway experiment platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022960697.0U CN213813892U (en) | 2020-12-09 | 2020-12-09 | Battery thermal runaway experiment platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213813892U true CN213813892U (en) | 2021-07-27 |
Family
ID=76945096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022960697.0U Expired - Fee Related CN213813892U (en) | 2020-12-09 | 2020-12-09 | Battery thermal runaway experiment platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213813892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112553A (en) * | 2021-12-17 | 2022-03-01 | 瑞德(新乡)路业有限公司 | Atmospheric particulate sampling and analyzing device |
-
2020
- 2020-12-09 CN CN202022960697.0U patent/CN213813892U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112553A (en) * | 2021-12-17 | 2022-03-01 | 瑞德(新乡)路业有限公司 | Atmospheric particulate sampling and analyzing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213813892U (en) | Battery thermal runaway experiment platform | |
| CN103000925B (en) | Mobile all-vanadium redox flow battery system for vanadium battery material and electric pile structure evaluation | |
| CN206236353U (en) | A kind of lithium ion battery thermal runaway experimental provision | |
| CN206976023U (en) | A kind of instrument and meter fixed placement equipment | |
| CN203758944U (en) | Textile heat-accumulating and heat-preserving performance tester | |
| CN208862443U (en) | A kind of high reliability electric automatization control cabinet | |
| WO2023124297A1 (en) | Air quality monitoring apparatus | |
| CN201221894Y (en) | Intelligent integrated muffle furnace | |
| CN213054909U (en) | Novel glove box | |
| CN209623883U (en) | A kind of electrical cabinet system for detecting temperature | |
| CN112595743A (en) | Be used for hindering hot foaming silica gel board multimode quality detection device | |
| CN116870972A (en) | Oxygen concentration controllable high-temperature test chamber | |
| CN208596064U (en) | A kind of multifunction atmospheric detection sampler | |
| CN112362699B (en) | Lithium ion battery thermal runaway gas combustion heat measuring device and measuring method | |
| CN215259230U (en) | Skid-mounted explosion-proof gas cabinet | |
| CN213462553U (en) | A switch board for plastic packaging processing | |
| CN209857642U (en) | Open-type tube furnace | |
| CN208617824U (en) | A kind of environmental project photocatalysis experiment reaction chamber | |
| CN205262897U (en) | Experimental device for oxygen content in electric heat firing method survey air | |
| CN207302446U (en) | A kind of teaching chemical experiment device | |
| CN207159093U (en) | A kind of used in glass products annealing furnace | |
| CN213244778U (en) | Portable regulator cubicle convenient to heat dissipation | |
| CN214310414U (en) | Safety monitoring device for pollution prevention and control incinerator | |
| CN211854443U (en) | Over-and-under type portable electric heater | |
| CN204879461U (en) | A wireless sensing device and system for $monitoring oil depot fuel leaks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |