CN111650033A - Performance detection device for explosion-proof cover plate of alternating current capacitor - Google Patents
Performance detection device for explosion-proof cover plate of alternating current capacitor Download PDFInfo
- Publication number
- CN111650033A CN111650033A CN202010533534.6A CN202010533534A CN111650033A CN 111650033 A CN111650033 A CN 111650033A CN 202010533534 A CN202010533534 A CN 202010533534A CN 111650033 A CN111650033 A CN 111650033A
- Authority
- CN
- China
- Prior art keywords
- explosion
- communicating pipe
- cover plate
- wall
- iron sheet
- 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.)
- Granted
Links
Images
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
- G01N3/02—Details
-
- 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
Abstract
The invention provides a performance detection device of an explosion-proof cover plate of an alternating current capacitor, which comprises a tank body, wherein the bottom of an opening at the top of the tank body is closed, a blocking ring is coaxially arranged in an inner cavity of the tank body, the edge of the outer ring of the blocking ring is fixed on the wall of the inner cavity of the tank body, an air pressure detection device is arranged in the inner cavity of the tank body and is positioned below the blocking ring, a pressing cylinder is arranged above the blocking ring, the outer diameter of the pressing cylinder is consistent with the inner diameter of the tank body, threads matched with each other are carved on the outer wall of the pressing cylinder and the inner wall of the tank body above the blocking ring, an air supply device is arranged on one side of the tank body and is communicated with the part of the tank. The performance detection device for the explosion-proof cover plate of the alternating current capacitor simulates the internal pressure of the capacitor through air pressure, detects the explosion-proof cover plate by gradually increasing the air pressure, and can accurately and effectively detect the explosion-proof cover plate of the capacitor.
Description
Technical Field
The invention relates to the technical field of safety explosion prevention of alternating current capacitors, in particular to a performance detection device for an explosion-proof cover plate of an alternating current capacitor.
Background
The safety explosion-proof cover plate of the alternating-current capacitor is formed by integrating an explosion-proof block and an explosion-proof wire on the cover plate of the capacitor, and when the capacitor fails, the cover plate shell deforms due to the internal pressure of the capacitor, so that the explosion-proof wire on the explosion-proof device is disconnected to cut off a power supply, and safety accidents such as explosion, fire and the like are prevented. Because this explosion-proof apron receives a great deal of factors influences such as casing internal pressure, apron material diameter structural strength isoparametric and explosion-proof block structural strength temperature resistance intensity, leads to the pressure value uniformity of explosion-proof silk action relatively poor, and raw and other materials quality inspection tests are comparatively loaded down with trivial details simultaneously.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a performance detection device for an explosion-proof cover plate of an alternating current capacitor.
The invention solves the technical problems through the following technical means: the utility model provides a performance detection device of explosion-proof apron of alternating current capacitor, includes a jar body, the open-top bottom of the jar body is sealed, the coaxial barrier ring that is provided with of inner chamber of the jar body, the inner chamber wall of the fixed jar body in outer lane edge of barrier ring, atmospheric pressure detection device is installed to the inner chamber of the jar body, atmospheric pressure detection device is located the below of barrier ring, the top of barrier ring is provided with presses a section of thick bamboo, the external diameter and the internal diameter of jar of pressing a section of thick bamboo are unanimous, and presses the outer wall of a section of thick bamboo and jar body to be located the screw thread that all the portrays match each other on the inner wall of barrier ring top, one side of the jar body is provided with air.
As an improvement of the technical scheme, the air supply device comprises an air pump, and an air exhaust end of the air pump is communicated with a part of the tank body, which is positioned below the blocking ring.
As the improvement of above-mentioned technical scheme, gas supply installation still includes communicating pipe, the air pump is located the part of barrier ring below through communicating pipe intercommunication jar body, the exhaust end of air pump runs through communicating pipe wall intercommunication communicating pipe inner chamber, communicating pipe need not communicate the one end of the jar body and seals, the inner chamber coaxial of communicating pipe is provided with and blocks the iron sheet, the edge that blocks the iron sheet contacts with the inner chamber wall of communicating pipe, and blocks the iron sheet and cut off the inner chamber of communicating pipe, the inner chamber coaxial of communicating pipe is provided with compression spring, compression spring's both ends difference fixed connection blocks iron sheet and communicating pipe confined one end, communicating pipe confined one end fixedly connected with blocks iron sheet complex electro-magnet.
As an improvement of the above technical scheme, the exhaust end of the air pump penetrates through the space between the pipe wall of the communicating pipe and the closed end of the communicating pipe, the sum of the compressed length of the compression spring and the thickness of the blocking iron sheet is greater than the distance between the exhaust hole and the closed end of the communicating pipe, the sum of the compressed length of the compression spring and the thickness of the blocking iron sheet is less than the distance between the exhaust end of the air pump and the closed end of the communicating pipe, and the uncompressed length of the compression spring and the sum of the thickness of the blocking iron sheet are greater than the distance between the pipe wall of the communicating pipe and the closed end of the communicating pipe.
As the improvement of the technical scheme, the edge of the blocking iron sheet is sleeved with a rubber ring, and the inner wall of the communicating pipe is provided with a polishing treatment layer.
As an improvement of the above technical solution, the air pressure detecting device is an air pressure gauge or an air pressure sensor.
The invention has the beneficial effects that: the performance detection device of the explosion-proof cover plate of the alternating current capacitor simulates the internal pressure of the capacitor through air pressure, detects the explosion-proof cover plate by gradually increasing the air pressure, can accurately and effectively detect the explosion-proof cover plate of the capacitor, and can effectively improve the detection efficiency and the detection accuracy of the explosion-proof cover plate of the capacitor.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a schematic cross-sectional view showing the structure of example 2 of the present invention;
FIG. 3 is a schematic top view of a can body according to embodiment 2 of the present invention;
FIG. 4 is a schematic view showing the tank installation in embodiment 2 of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Example 1
As shown in fig. 1, the performance detecting device for the explosion-proof cover plate of the ac capacitor in this embodiment includes a tank body 1, the bottom of the top opening of the tank body 1 is closed, a blocking ring 2 is coaxially disposed in the inner cavity of the tank body 1, the inner cavity wall of the tank body 1 is fixed at the outer ring edge of the blocking ring 2, an air pressure detecting device 3 is installed in the inner cavity of the tank body 1, the air pressure detecting device 3 is an air pressure gauge or an air pressure sensor, the air pressure detecting device 3 is located below the blocking ring 2, a pressing cylinder 4 is disposed above the blocking ring 2, the outer diameter of the pressing cylinder 4 is consistent with the inner diameter of the tank body 1, threads matched with each other are carved on the outer wall of the pressing cylinder 4 and the inner wall of the tank body 1 above the blocking ring 2, an air supply device 5 is disposed on one side of the tank body 1, the air supply device 5 communicates with, the gas supply device 5 inflates gas into the tank body 1, and the gas pressure in the tank body 1 rises through continuous inflation during detection, so that the rising process and pressure of the internal pressure of the capacitor are simulated.
The performance detection device of the explosion-proof cover plate of the alternating current capacitor simulates the internal pressure of the capacitor through air pressure, detects the explosion-proof cover plate by gradually increasing the air pressure, can accurately and effectively detect the explosion-proof cover plate of the capacitor, and can effectively improve the detection efficiency and the detection accuracy of the explosion-proof cover plate of the capacitor.
The air supply device 5 comprises an air pump 51, the exhaust end of the air pump 51 is communicated with the part of the tank body 1 below the stop ring 2, and the air pump 51 supplies air. This embodiment is a simple inspection apparatus.
When the device is used, the internal explosion-proof wires of more than two electrodes on the safety explosion-proof cover plate of the alternating current capacitor are electrically connected in a short circuit mode, the air pump 51 is connected to the outside of the electrodes and connected with a power supply, the cover plate to be detected is installed on the stop ring 2 on the corresponding test tank body 1, the sealing ring is installed between the stop ring 2 and the cover plate to be detected, after the sealing ring and the stop ring 2 are installed, the air pump 51 is powered on to slowly inject air into the test tank body 1 at a constant speed, the air pressure in the tank body 1 slowly rises at a constant speed, the explosion-proof device acts to break the explosion-proof wires when the cover plate rises to deform, the air pump 51 is powered off to stop injecting air into the test tank body 1, meanwhile, the pressure value of the time point is recorded through.
Example 2
As shown in fig. 2-4, the performance testing apparatus for the explosion-proof cover plate of the ac capacitor in this embodiment, on the basis of embodiment 1, the air pump 51 is communicated with the part of the tank body 1 below the baffle ring 2 through the communication pipe 52, the exhaust end of the air pump 51 penetrates through the pipe wall of the communicating pipe 52 to be communicated with the inner cavity of the communicating pipe 52, one end of the communicating pipe 52 which is not communicated with the tank body 1 is closed, the inner cavity of the communicating pipe 52 is coaxially provided with a blocking iron sheet 53, the edge of the blocking iron sheet 53 is contacted with the inner cavity wall of the communicating pipe 52, and the blocking iron sheet 53 cuts off the inner cavity of the communicating pipe 52, the inner cavity of the communicating pipe 52 is coaxially provided with a compression spring 54, both ends of the compression spring 54 are respectively and fixedly connected with the blocking iron sheet 53 and the closed end of the communicating pipe 52, an electromagnet 55 matched with the blocking iron sheet 53 is fixedly connected to the closed end of the communicating pipe 52. An exhaust hole 56 is formed between the position, penetrating through the tube wall of the communicating tube 52, of the exhaust end of the air pump 51 and the closed end of the communicating tube 52, the sum of the compressed length of the compression spring 54 and the thickness of the blocking iron sheet 53 is larger than the distance between the exhaust hole 56 and the closed end of the communicating tube 52, the sum of the compressed length of the compression spring 54 and the thickness of the blocking iron sheet 53 is smaller than the distance between the position, penetrating through the tube wall of the communicating tube 52, of the exhaust end of the air pump 51 and the closed end of the communicating tube 52, and the sum of the uncompressed length of the compression spring 54 and the thickness of the blocking iron sheet 53 is larger than the distance between.
Set up the indirect air feed of communicating pipe 52, after the air pump 51 outage, avoid following the discharge of air pump 51, during the use, electro-magnet 55 and air pump 51 are established ties, explosion-proof equipment action is broken the explosion-proof wire and is made when the cover plate deformation is made to the rising of internal gas pressure of jar 1, thereby cause air pump 51 and electro-magnet 55 outage to close and stop to filling in the air to the test tank 1, electro-magnet 55 outage no longer has the adsorption affinity to blockking iron sheet 53, it is pushed to jar body 1 to blocking iron sheet 53 under compression spring's 54 effect, thereby the exhaust end of shutoff air pump 51 runs through communicating pipe 52 pipe wall department, therefore avoided after air pump 51 outage, discharge gas from air pump 51.
The edge of the blocking iron sheet 53 is sleeved with a rubber ring, and the inner wall of the communicating pipe 52 is provided with a polishing treatment layer. The barrier iron piece 53 and the polished finish layer contribute to an improvement in the sealing effect of the barrier iron piece 53. The detection precision is improved.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a performance detection device of explosion-proof apron of AC capacitor, includes jar body (1), the open-top bottom of jar body (1) is sealed, its characterized in that: the coaxial barrier ring (2) that is provided with of inner chamber of the jar body (1), the inner chamber wall of the fixed jar of body (1) in outer lane edge of barrier ring (2), atmospheric pressure detection device (3) are installed to the inner chamber of the jar body (1), atmospheric pressure detection device (3) are located the below of barrier ring (2), the top of barrier ring (2) is provided with pressure section of thick bamboo (4), the external diameter of pressing section of thick bamboo (4) is unanimous with jar body (1) internal diameter, and presses the outer wall of a section of thick bamboo (4) and the inner wall that the jar body (1) is located barrier ring (2) top all to be carved with the screw thread that matches each other, one side of the jar body (1) is provided with air feeder (5), air feeder (5) intercommunication jar body (1) is located the part of barrier ring (2) below.
2. The apparatus for testing the performance of the explosion-proof cover plate of the AC capacitor as claimed in claim 1, wherein: the air supply device (5) comprises an air pump (51), and the air outlet end of the air pump (51) is communicated with the part of the tank body (1) below the stop ring (2).
3. The apparatus for testing the performance of the explosion-proof cover plate of the AC capacitor as claimed in claim 2, wherein: the gas supply device (5) also comprises a communicating pipe (52), the air pump (51) is communicated with the part of the tank body (1) below the stop ring (2) through the communicating pipe (52), the exhaust end of the air pump (51) penetrates through the pipe wall of the communicating pipe (52) to be communicated with the inner cavity of the communicating pipe (52), one end of the communicating pipe (52) which is not communicated with the tank body (1) is closed, a blocking iron sheet (53) is coaxially arranged in the inner cavity of the communicating pipe (52), the edge of the blocking iron sheet (53) is contacted with the inner cavity wall of the communicating pipe (52), and the blocking iron sheet (53) cuts off the inner cavity of the communicating pipe (52), the inner cavity of the communicating pipe (52) is coaxially provided with a compression spring (54), two ends of the compression spring (54) are respectively and fixedly connected with a blocking iron sheet (53) and one closed end of the communicating pipe (52), and the closed end of the communicating pipe (52) is fixedly connected with an electromagnet (55) matched with the blocking iron sheet (53).
4. The apparatus for testing the performance of the explosion-proof cover plate of the AC capacitor as claimed in claim 3, wherein: an exhaust hole (56) is formed between the position, penetrating through the tube wall of the communicating tube (52), of the exhaust end of the air pump (51) and the closed end of the communicating tube (52), the sum of the compressed length of the compression spring (54) and the thickness of the blocking iron sheet (53) is larger than the distance between the exhaust hole (56) and the closed end of the communicating tube (52), the sum of the compressed length of the compression spring (54) and the thickness of the blocking iron sheet (53) is smaller than the distance between the position, penetrating through the tube wall of the communicating tube (52), of the exhaust end of the air pump (51) and the closed end of the communicating tube (52), and the sum of the uncompressed length of the compression spring (54) and the thickness of the blocking iron sheet (53) is larger than the distance between the position, penetrating through the tube wall of the.
5. The apparatus for testing the performance of the explosion-proof cover plate of the AC capacitor as claimed in claim 3 or 4, wherein: the edge of the blocking iron sheet (53) is sleeved with a rubber ring, and the inner wall of the communicating pipe (52) is provided with a polishing treatment layer.
6. The apparatus for testing the performance of an explosion-proof cover plate of an ac capacitor according to any one of claims 1 to 4, wherein: the air pressure detection device (3) is an air pressure meter or an air pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010533534.6A CN111650033B (en) | 2020-06-12 | 2020-06-12 | Performance detection device for explosion-proof cover plate of alternating current capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010533534.6A CN111650033B (en) | 2020-06-12 | 2020-06-12 | Performance detection device for explosion-proof cover plate of alternating current capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111650033A true CN111650033A (en) | 2020-09-11 |
| CN111650033B CN111650033B (en) | 2022-08-09 |
Family
ID=72343540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010533534.6A Active CN111650033B (en) | 2020-06-12 | 2020-06-12 | Performance detection device for explosion-proof cover plate of alternating current capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111650033B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201096853Y (en) * | 2007-11-06 | 2008-08-06 | 铜陵江威电子有限责任公司 | Testing device for capacitor explosion-proof end cover |
| CN201513598U (en) * | 2009-09-17 | 2010-06-23 | 上海奉申制冷控制器有限公司 | Two-position three-way electromagnetic valve |
| CN202252254U (en) * | 2011-08-29 | 2012-05-30 | 宁波开灵气动元件制造有限公司 | Surface mount type two-position three-way electromagnetic valve |
| JP2013195271A (en) * | 2012-03-21 | 2013-09-30 | Shinsei Kagaku Kogyo Co Ltd | Breakage pressure measuring device for gasket, and gasket holder |
| JP2017003502A (en) * | 2015-06-12 | 2017-01-05 | 株式会社システック | Pressure testing apparatus, and pressure testing method |
| CN107687976A (en) * | 2017-07-04 | 2018-02-13 | 合肥力翔电池科技有限责任公司 | A kind of high-precision power cover plate explosion-proof pressure testing device |
| CN208537312U (en) * | 2018-08-02 | 2019-02-22 | 南通托普电子材料有限公司 | A kind of explosion-proof pressure test lid Special testing device |
-
2020
- 2020-06-12 CN CN202010533534.6A patent/CN111650033B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201096853Y (en) * | 2007-11-06 | 2008-08-06 | 铜陵江威电子有限责任公司 | Testing device for capacitor explosion-proof end cover |
| CN201513598U (en) * | 2009-09-17 | 2010-06-23 | 上海奉申制冷控制器有限公司 | Two-position three-way electromagnetic valve |
| CN202252254U (en) * | 2011-08-29 | 2012-05-30 | 宁波开灵气动元件制造有限公司 | Surface mount type two-position three-way electromagnetic valve |
| JP2013195271A (en) * | 2012-03-21 | 2013-09-30 | Shinsei Kagaku Kogyo Co Ltd | Breakage pressure measuring device for gasket, and gasket holder |
| JP2017003502A (en) * | 2015-06-12 | 2017-01-05 | 株式会社システック | Pressure testing apparatus, and pressure testing method |
| CN107687976A (en) * | 2017-07-04 | 2018-02-13 | 合肥力翔电池科技有限责任公司 | A kind of high-precision power cover plate explosion-proof pressure testing device |
| CN208537312U (en) * | 2018-08-02 | 2019-02-22 | 南通托普电子材料有限公司 | A kind of explosion-proof pressure test lid Special testing device |
Non-Patent Citations (1)
| Title |
|---|
| 崔巍等: "高压氢镍电池高气压检漏装置技术研究", 《电源技术》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111650033B (en) | 2022-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102096032B (en) | Experimental facility and method for electric heating combined stress aging with oil-paper insulation of transformer | |
| CN103674451A (en) | Leakage detection method and device for peripheral welding of lithium-ion battery | |
| CN209471025U (en) | A kind of fabric air-permeability system safety testing device | |
| CN111650033B (en) | Performance detection device for explosion-proof cover plate of alternating current capacitor | |
| CN108254121A (en) | Inflation valve with temperature and pressure detection function | |
| CN210293717U (en) | Explosion test device for detecting explosion-proof performance of explosion-proof equipment | |
| CN105388427A (en) | Tool for monitoring pole group pressure change in battery charge/discharge process and monitoring method | |
| CN104931206B (en) | A kind of lambda sensor air-tightness detection device | |
| CN105651445A (en) | Battery cover plate detection equipment and detection method thereof | |
| CN210834492U (en) | Casing pressure resistance tester | |
| CN106441697B (en) | A kind of loine pressure detection system and detection method | |
| CN209310879U (en) | A kind of liquid level warning and shut down linkage | |
| CN110608951A (en) | Casing pressure resistance testing machine and casing pressure resistance testing method | |
| CN205643415U (en) | A portable fixed frock for experimental inspection of cable accessories power -frequency withstand voltage | |
| CN205642702U (en) | Testing arrangement presses in lithium ion battery | |
| CN115808546A (en) | Interface assembly of monitoring device for oiled paper capacitive bushing and use method | |
| CN210719545U (en) | Automatic inflation and deflation pressure tank | |
| CN208672239U (en) | A kind of capacitor cover plate air tightness checking device | |
| CN104316579A (en) | Gas distribution method of detector for detecting SF6 gas decomposition products | |
| CN209624534U (en) | A kind of stationary gas alarm detection generic calibration cover | |
| CN114720892A (en) | Battery thermal failure test system | |
| CN110823081A (en) | Auxiliary device is used in rubber diaphragm production | |
| CN207600428U (en) | A kind of encapsulation chipset and height detecting device | |
| CN207663033U (en) | A kind of battery terminal sealing ring compression automatic detection device | |
| CN207675204U (en) | Explosion-proof transmitter samples air chamber structure |
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 |