CN114414384B - Rupture membrane testing device - Google Patents
Rupture membrane testing device Download PDFInfo
- Publication number
- CN114414384B CN114414384B CN202111602293.7A CN202111602293A CN114414384B CN 114414384 B CN114414384 B CN 114414384B CN 202111602293 A CN202111602293 A CN 202111602293A CN 114414384 B CN114414384 B CN 114414384B
- Authority
- CN
- China
- Prior art keywords
- pressure
- explosion
- frame
- hole
- pressure tank
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses an explosion-proof film testing device, which comprises an explosion-proof film fixing frame, a driving mechanism and a high-pressure tank, wherein: the high-pressure tank can be of a structure with a high-pressure cavity in the prior art; the explosion-proof membrane can be a frame-shaped structure capable of fixing the explosion-proof membrane in the prior art, and the explosion-proof membrane fixing frame is vertically and rotatably arranged in the high-pressure cavity and is used for clamping and fixing the explosion-proof membrane; the driving mechanism is arranged in the high-pressure cavity and used for driving the explosion-proof film fixing frame to vertically rotate, and the driving mechanism can be a motor, an electric telescopic rod and other parts which can drive the frame-shaped structure to vertically rotate in the prior art.
Description
Technical Field
The invention relates to the technical field of detection related devices, in particular to an explosion-proof membrane testing device.
Background
The explosion-proof film is popular, namely, the explosion-proof film adds a layer of protection for the automobile glass, and plays a role in preventing the glass from being broken and fixing broken glass residues when the explosion-proof film collides with the outside or bears larger pressure, so that the personal safety of an automobile owner in the automobile is protected.
Rupture discs on the market need to pass testing for safety before they are sold after production. The existing test of the explosion-proof membrane is to fix the explosion-proof membrane on the explosion-proof membrane fixing frame, then the explosion-proof membrane fixing frame is in a high-pressure environment for testing, however, glass is broken in a process of opening and closing a door in the high-pressure environment in actual use, a dynamic process is adopted in the process of opening and closing the door, and a certain error is not avoided in the process of detecting through the static explosion-proof membrane.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides an explosion-proof membrane testing device.
The invention provides an explosion-proof film testing device, which comprises an explosion-proof film fixing frame, a driving mechanism and a high-pressure tank, wherein:
the high-pressure tank can be of a structure with a high-pressure cavity in the prior art;
the explosion-proof membrane can be a frame-shaped structure capable of fixing the explosion-proof membrane in the prior art, and the explosion-proof membrane fixing frame is vertically and rotatably arranged in the high-pressure cavity and is used for clamping and fixing the explosion-proof membrane;
the driving mechanism is arranged in the high-pressure cavity and used for driving the explosion-proof film fixing frame to vertically rotate, and the driving mechanism can be a motor, an electric telescopic rod and other parts which can drive the frame-shaped structure to vertically rotate in the prior art.
In the detection process, the driving mechanism drives the explosion-proof membrane fixing frame to vertically rotate so as to simulate the door opening and closing action, and then the explosion-proof membrane is dynamically detected, so that the working process of the explosion-proof membrane is simulated more accurately, and the detection precision is increased.
As a further optimized scheme of the invention, one side surface of the explosion-proof membrane fixing frame is vertically and rotatably arranged in the high-pressure tank, so that the explosion-proof membrane is positioned on the same side of the explosion-proof membrane fixing frame relative to the rotation axis of the high-pressure tank, and the detection precision is further improved.
As a further optimized scheme of the invention, the automobile door opening and closing device further comprises a simulation frame, wherein the simulation frame is fixed in the high-pressure cavity and is of a -shaped structure, an opening is formed in one side wall of the simulation frame, and the explosion-proof membrane is rotated to enable the opening to be closed or opened, so that the opening and closing of the automobile door are simulated.
As a further optimized scheme of the invention, the explosion-proof film fixing frame is vertically rotatably arranged on the simulation frame, so that the door closing and opening actions are more conveniently simulated, and the detection precision is further improved.
As a further optimized scheme of the invention, the invention further comprises a cover plate, wherein the cover plate is arranged on the simulation frame and is used for closing the upper opening of the simulation frame.
In order to further increase the detection precision, as a further optimized scheme of the invention, the high-pressure tank is provided with a pressure-dividing cavity, the pressure-dividing cavity is positioned at the outer side of the high-pressure cavity and is coated with the high-pressure cavity, the inner wall of the high-pressure tank is provided with a connecting through hole, and the connecting through hole is used for communicating the high-pressure cavity with the pressure-dividing cavity.
In order to further increase the detection precision, as a further optimized scheme of the invention, the connecting through hole comprises a side wall through hole and a bottom through hole which are respectively arranged on the inner side wall and the bottom of the high-pressure tube.
As a further optimized scheme of the invention, the pressure sensor is also arranged on the high-pressure tank and used for detecting the pressure in the high-pressure tank, and the pressure in the high-pressure chamber is detected from time to time.
As a further optimized scheme of the invention, the high-pressure tank is made of transparent materials, so that deformation of the explosion-proof membrane in the detection process can be observed conveniently.
As a further optimized scheme of the invention, the high-pressure tank is provided with the air release valve, so that the high-pressure detection operation hook is completed, and the pressure release of the high-pressure cavity is facilitated.
According to the explosion-proof film testing device, the structure is simple, the driving mechanism drives the explosion-proof film fixing frame to vertically rotate in the detection process so as to simulate the action of opening and closing the door, the explosion-proof film is dynamically detected, the working process of the explosion-proof film is simulated more accurately, and the detection precision is further improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of the structure of the invention after the upper cover is removed;
FIG. 4 is a schematic diagram of the connection structure of the simulation frame and the rupture disc fixing frame of the present invention;
fig. 5 is a schematic diagram of a connection structure between a simulation frame and a second connection frame according to the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not to be construed as limiting the present invention.
It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The explosion-proof membrane testing device as shown in fig. 1-5 comprises a pressure sensor 1, an explosion-proof membrane fixing frame 2, a simulation frame 3, a motor 4, a rotating shaft 5, a cover plate 6 and a high-pressure tank 7, wherein:
the high-pressure tank 7 is made of transparent material;
the high-pressure tank 7 is provided with a high-pressure cavity 700, specifically, the high-pressure tank 7 comprises a lower tank body 70 and an upper cover 71, the upper cover 71 is detachably and hermetically arranged on the lower tank body 70, and the upper cover 71 and the lower tank body 70 form the high-pressure cavity 700;
the pressure sensor 1 is mounted on the upper cover 71 and is used to detect the pressure in the high pressure chamber 700;
the lower tank body 70 of the high-pressure tank 7 is internally provided with a pressure-dividing cavity 701, the pressure-dividing cavity 701 is positioned outside the high-pressure cavity 700 and coats the high-pressure cavity 700, the inner wall of the high-pressure tank 7 is provided with a connecting through hole 210, and the connecting through hole 210 communicates the high-pressure cavity 700 with the pressure-dividing cavity 701;
the connection through-hole 210 includes a sidewall through-hole 702 and a bottom through-hole 703, the sidewall through-hole 702 and the bottom through-hole 703 being opened at the inner sidewall and the bottom of the high-pressure pipe, respectively;
an air inlet valve 8 is further arranged, and the air inlet valve 8 is arranged on the high-pressure tank 7 and is used for blowing air into the pressure dividing cavity 701 so as to increase the air pressure in the high-pressure cavity 700;
the upper cover 71 is provided with a pressure relief valve 9, and the lower end of the pressure relief valve 9 is communicated with the high-pressure cavity 700 for relieving pressure of the high-pressure cavity 700;
the explosion-proof film fixing frame 2 is vertically and rotatably arranged in the high-pressure cavity 700, and the explosion-proof film fixing frame 2 is used for clamping and fixing the explosion-proof film;
the simulation frame 3 is fixed at the bottom of the high-pressure cavity 700 of the high-pressure pipe through welding or fixing screws and the like, an opening is formed in one side wall of the simulation frame 3, and the opening is closed or opened by rotating the explosion-proof membrane, so that the opening and closing of the vehicle door are simulated;
specifically, the analog frame 3 has a first side plate 30, a second side plate 31 and a third side plate 32, the second side plate 31 is located between the first side plate 30 and the third side plate 32 and connected to the first side plate 30 and the third side plate 32, the first side plate 30 and the second side plate 31 are vertically arranged, and the first side plate 30, the second side plate 31 and the third side plate 32 form a -shaped structure;
the first side plate 30 of the simulation frame 3 is provided with an extension plate 33, the extension plate 33 is opposite to the second side plate 31, a mounting hole 330 is arranged on the extension plate 33, a motor 4 is arranged in the mounting hole 330, a rotating shaft 5 is vertically and rotatably arranged on the extension plate 33, the motor 4 is used for driving the rotating shaft 5 to rotate,
the explosion-proof film fixing frame 2 comprises a first frame 20, a second frame 21 and locking pieces 22, wherein the first frame 20 and the second frame 21 are oppositely arranged, the locking pieces 22 are used for fixing the first frame 20 on the second frame 21, the explosion-proof film is fixed between the first frame 20 and the second frame 21, and in order to increase the fixation of the explosion-proof film, elastic pieces are further arranged between the first frame 20 and the second frame 21, and the locking pieces 22 are bolts or screws;
the second frame 21 is fixed on the rotating shaft 5;
specifically, the second frame 21 is detachably mounted on the rotating shaft 5, and the outer part of the rotating shaft 5 is provided with a fixing strip 10 along the radial direction thereof; a vertical connecting through hole 210 is formed on one side of the second frame 21, the connecting through hole 210 is matched with the rotating shaft 5, a connecting groove 211 along the radial direction of the connecting through hole 210 is formed on the side wall of the connecting through hole 210, and the connecting groove 211 is matched with the fixing strip 10;
the cover plate 6 is detachably mounted on the simulation frame 3 in a clamping manner, the cover plate 6 is provided with a part for pressing the second simulation frame 3, and specifically, a limiting through hole is formed in the cover plate 6 and sleeved outside the rotating shaft 5, and the aperture of the limiting through hole is larger than the outer diameter of the rotating shaft 5.
In the use process, the upper cover 71 is opened, the cover plate 6 is disassembled to take out the explosion-proof membrane fixing frame 2, then the locking piece 22 is disassembled to set the explosion-proof membrane between the first frame 20 and the second frame 21, and then the first frame 20 is fixed on the second frame 21 through the locking piece 22 so as to complete the fixation of the explosion-proof membrane;
then placing the explosion-proof film fixing frame 2 into the lower tank body 70 of the high-pressure tank 7, matching the connecting through hole 210 of the second frame 21 with the rotating shaft 5, matching the fixing strip 10 with the connecting groove 211, driving the explosion-proof film fixing frame 2 to rotate in the rotating process of the rotating shaft 5, and then covering the cover plate 6 on the simulation frame 3 to seal the upper opening of the simulation frame 3; then fixing an upper cover 71 on the lower tank 70 and closing the lower tank 70, forming a high-pressure cavity 700 between the upper cover 71 and the lower tank 70, and regulating the pressure in the high-pressure cavity 700 through an air inlet valve 8 by high-pressure equipment;
the motor 4 drives the rotating shaft 5 to rotate so as to drive the explosion-proof membrane to vertically rotate to simulate the action of opening and closing the door, the performance of the explosion-proof membrane is detected in the action of simulating the opening and closing the door, and the detection precision is increased relative to the static performance of the explosion-proof membrane.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides an rupture membrane testing arrangement, its characterized in that includes rupture membrane fixed frame, actuating mechanism and high-pressure tank, wherein:
the high-pressure tank is provided with a high-pressure cavity;
the explosion-proof film fixing frame is vertically and rotatably arranged in the high-pressure cavity and is used for clamping and fixing the explosion-proof film;
the driving mechanism is arranged in the high-pressure cavity and is used for driving the explosion-proof film fixing frame to vertically rotate;
the device also comprises a simulation frame which is fixed in the high-pressure cavity, an opening is arranged on one side wall of the simulation frame, the explosion-proof membrane is rotated to close or open the opening,
the explosion-proof film fixing frame is vertically and rotatably arranged on the simulation frame,
the device also comprises a cover plate, wherein the cover plate is arranged on the simulation frame and is used for closing the upper opening of the simulation frame.
2. The rupture disc testing device of claim 1, wherein a side face of the rupture disc fixing frame is vertically rotatably mounted in the high pressure tank.
3. The rupture disc testing device according to any one of claims 1-2, wherein the high-pressure tank has a pressure-dividing chamber, the pressure-dividing chamber is located outside the high-pressure chamber and encloses the high-pressure chamber, and a connecting through hole is formed in an inner wall of the high-pressure tank, the connecting through hole connecting the high-pressure chamber with the pressure-dividing chamber.
4. A rupture disc testing apparatus according to claim 3, wherein the connection through-hole includes a sidewall through-hole and a bottom through-hole, which are opened at the inner sidewall and bottom of the high-pressure tube, respectively.
5. The rupture disc testing device according to claim 1, further comprising a pressure sensor mounted on the high pressure tank and adapted to detect a pressure within the high pressure tank.
6. The rupture disc testing device of claim 1, wherein the high pressure canister is made of a transparent material.
7. The rupture disc testing device of claim 1, wherein the high pressure tank has a bleed valve thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111602293.7A CN114414384B (en) | 2021-12-24 | 2021-12-24 | Rupture membrane testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111602293.7A CN114414384B (en) | 2021-12-24 | 2021-12-24 | Rupture membrane testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114414384A CN114414384A (en) | 2022-04-29 |
| CN114414384B true CN114414384B (en) | 2023-08-18 |
Family
ID=81269453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111602293.7A Active CN114414384B (en) | 2021-12-24 | 2021-12-24 | Rupture membrane testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114414384B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005054731A1 (en) * | 2003-11-12 | 2005-06-16 | Elfab Limited | Bursting disc device |
| RU2014119571A (en) * | 2014-05-15 | 2015-11-20 | Олег Савельевич Кочетов | INSTALLATION FOR EXPLOSION PROTECTIVE MEMBRANES RESEARCH |
| CN206163578U (en) * | 2016-11-21 | 2017-05-10 | 北京新能源汽车股份有限公司 | Explosion -proof case and have its battery package test transfer device |
| CN207095963U (en) * | 2017-08-17 | 2018-03-13 | 中广核核电运营有限公司 | Gas-insulated switch station rupture pressure disc off-line testing device |
| CN210004911U (en) * | 2019-07-12 | 2020-01-31 | 深圳市德益华机械配件有限公司 | Auxiliary tool for detecting explosion-proof membrane assemblies |
| DE102018126573A1 (en) * | 2018-10-25 | 2020-04-30 | Bayerische Motoren Werke Aktiengesellschaft | Detection device for detecting the internal pressure change of a prismatic battery cell and measurement setup |
| CN211468371U (en) * | 2019-11-06 | 2020-09-11 | 卞俊勇 | Automatic blasting device for glass of bus |
| CN211955028U (en) * | 2019-12-30 | 2020-11-17 | 常熟高嘉能源科技有限公司 | Explosion-proof membrane pressure test fixture |
| CN212621955U (en) * | 2020-07-23 | 2021-02-26 | 深圳市威迩光电科技有限公司 | Rupture membrane pressure testing device |
| DE102020107661A1 (en) * | 2019-09-16 | 2021-03-18 | Poppe + Potthoff Maschinenbau GmbH | Procedure for compressive strength and burst testing of test objects |
| CN214472300U (en) * | 2021-02-05 | 2021-10-22 | 深圳市富诺材料有限公司 | Automobile rupture membrane is with testing arrangement who is convenient for adjust |
| CN214472767U (en) * | 2021-02-05 | 2021-10-22 | 深圳市富诺材料有限公司 | Portable rupture membrane detector with stably put function for rupture membrane production |
-
2021
- 2021-12-24 CN CN202111602293.7A patent/CN114414384B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005054731A1 (en) * | 2003-11-12 | 2005-06-16 | Elfab Limited | Bursting disc device |
| RU2014119571A (en) * | 2014-05-15 | 2015-11-20 | Олег Савельевич Кочетов | INSTALLATION FOR EXPLOSION PROTECTIVE MEMBRANES RESEARCH |
| CN206163578U (en) * | 2016-11-21 | 2017-05-10 | 北京新能源汽车股份有限公司 | Explosion -proof case and have its battery package test transfer device |
| CN207095963U (en) * | 2017-08-17 | 2018-03-13 | 中广核核电运营有限公司 | Gas-insulated switch station rupture pressure disc off-line testing device |
| DE102018126573A1 (en) * | 2018-10-25 | 2020-04-30 | Bayerische Motoren Werke Aktiengesellschaft | Detection device for detecting the internal pressure change of a prismatic battery cell and measurement setup |
| CN210004911U (en) * | 2019-07-12 | 2020-01-31 | 深圳市德益华机械配件有限公司 | Auxiliary tool for detecting explosion-proof membrane assemblies |
| DE102020107661A1 (en) * | 2019-09-16 | 2021-03-18 | Poppe + Potthoff Maschinenbau GmbH | Procedure for compressive strength and burst testing of test objects |
| CN211468371U (en) * | 2019-11-06 | 2020-09-11 | 卞俊勇 | Automatic blasting device for glass of bus |
| CN211955028U (en) * | 2019-12-30 | 2020-11-17 | 常熟高嘉能源科技有限公司 | Explosion-proof membrane pressure test fixture |
| CN212621955U (en) * | 2020-07-23 | 2021-02-26 | 深圳市威迩光电科技有限公司 | Rupture membrane pressure testing device |
| CN214472300U (en) * | 2021-02-05 | 2021-10-22 | 深圳市富诺材料有限公司 | Automobile rupture membrane is with testing arrangement who is convenient for adjust |
| CN214472767U (en) * | 2021-02-05 | 2021-10-22 | 深圳市富诺材料有限公司 | Portable rupture membrane detector with stably put function for rupture membrane production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114414384A (en) | 2022-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114414384B (en) | Rupture membrane testing device | |
| CN216791629U (en) | Breather valve pressure seal nature detection device | |
| CN111351909A (en) | River course water pollution detector who conveniently carries | |
| CN105841790A (en) | Weighing method equipment with blocking structure and weighing method thereof | |
| CN212059257U (en) | Utensil is examined to leakproofness of lithium cell apron | |
| CN116222891A (en) | Pressure vessel leakage detection device | |
| CN213600294U (en) | Reation kettle leak detection device | |
| CN211347971U (en) | Dynamic performance testing device of tail gas remote measuring equipment | |
| CN211347245U (en) | Air tightness test fixture | |
| CN218546435U (en) | Steam weighing measuring instrument by weighing method | |
| CN113654940A (en) | Edge banding panel furniture moisture resistance detection machine and detection method | |
| CN113624426A (en) | Can negative pressure detection device | |
| CN220228035U (en) | Initial pressure detection device of vacuum pressure control valve of semiconductor equipment | |
| CN219532759U (en) | Bench condom blasting tester | |
| CN220584771U (en) | Gas alarm inspection device convenient to operation | |
| CN213397502U (en) | Balancing machine for momentum wheel detection and momentum wheel reset removal equipment | |
| CN205691225U (en) | A kind of weight method equipment with barrier structure | |
| CN217442791U (en) | Air tightness testing device | |
| CN220170329U (en) | Low-humidity weighing device | |
| CN219870893U (en) | UV glues water permeability test fixture and UV glues water permeability testing arrangement | |
| CN213222228U (en) | Novel simple experiment device for thermal bonding biochip | |
| CN117723473A (en) | Detection equipment for semiconductor packaging material | |
| CN210863553U (en) | Enameled wire lacquer concentration detection device | |
| CN215525712U (en) | Gas detection alarm performance test device | |
| CN219870186U (en) | Battery test vacuum box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |