CN113675778B - Air pressure alarm device for environment-friendly inflatable cabinet - Google Patents
Air pressure alarm device for environment-friendly inflatable cabinet Download PDFInfo
- Publication number
- CN113675778B CN113675778B CN202111237342.1A CN202111237342A CN113675778B CN 113675778 B CN113675778 B CN 113675778B CN 202111237342 A CN202111237342 A CN 202111237342A CN 113675778 B CN113675778 B CN 113675778B
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- alarm
- vibrator
- cover
- main body
- fixedly connected
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/065—Means for detecting or reacting to mechanical or electrical defects
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
Abstract
The invention relates to the technical field of gas-filled tank safety, and discloses an air pressure alarm device for an environment-friendly gas-filled tank, which comprises the gas-filled tank, wherein a resonance alarm device is arranged in the middle of the front surface of the gas-filled tank, and comprises a device cover and a device main body shell, the air pressure alarm device is favorable for generating electric arc when the air pressure of the environment-friendly gas-filled tank is in problem, so that the electric field around the gas-filled tank can be instantly driven to be instantly increased, at the moment, because the two electric field particles at the bottom end of a fixed base enter an inlet spiral coil in a device and the material of the inlet spiral coil is different, the electric field of a metal block can enable an anode electric field and a cathode electric field to enter the coil connected with the inlet spiral coil from the two inlet spiral coils made of different materials, the coil is made to generate magnetism, and the metal block is pushed out, so that the tapered push block is extruded, so that the push rod triggers the alarm switch of the triggering device to give an alarm.
Description
Technical Field
The invention relates to the technical field of inflatable cabinet safety, in particular to an air pressure alarm device for an environment-friendly inflatable cabinet.
Background
The gas-filled cabinet has compact structure, flexible operation and reliable interlocking, and can be applied to various occasions, wherein the main gas in the gas-filled cabinet is sulfur tetrafluoride and is used as the main gas for eliminating electric arcs.
There is the atmospheric pressure alarm device of cabinet that charges in actual use, and traditional atmospheric pressure alarm device itself will have certain gas consumption to aerifing the cabinet in the in-process of using to direct influence current gaseous atmospheric pressure.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an air pressure alarm device for an environment-friendly inflatable cabinet, and the technical problem to be solved by the invention is as follows: how to use the electric arc generated in the air pressure process to alarm the air pressure.
The invention provides the following technical scheme: the utility model provides an atmospheric pressure alarm device for environment-friendly aerifys cabinet, includes aerifys the cabinet, still includes:
resonance alarm device: the middle part of the front surface of the inflatable cabinet is provided with a resonance alarm device, and the resonance alarm device comprises a device cover and a device main body shell;
a vibrator: a vibrator is arranged between the device cover and the device main body shell;
glass cover: a glass cover is arranged in the middle of the vibrator;
metal ball: and a metal ball is arranged in the middle of the glass cover.
In a preferred embodiment, a vibration groove is formed between the device cover and the vibrator, a vibration fixing groove is formed at the top end of the vibration groove of the device cover and the device main body casing, the vibrator is fixedly connected in the vibration fixing groove of the device cover and the device main body casing, the bottom end of the vibrator is positioned in the vibration groove of the vibrator, the bottom end of the vibrator is in an inverted U shape, a glass cover is arranged in the inverted U shape of the vibrator, a sealing block is fixedly connected at one end of the device main body casing close to the glass cover, the sealing block is fixedly connected with one end of the glass cover close to the device main body casing, a conical sleeve is fixedly connected at one end of the sealing block far away from the device main body casing, a starting rod is movably connected in one side of the conical sleeve far away from the device main body casing, and an alarm block is fixedly connected at one end of the device main body casing far away from the vibrator, an alarm switch is arranged in the alarm block, one end of the starting rod, which is far away from the vibrator, is movably connected with the alarm switch of the alarm block, and the alarm switch of the alarm block is connected with a signal sending device.
In a preferred embodiment, one end of the glass cover close to the device cover is provided with a small air vent, and the device cover is provided with a vibration sound receiving hole in the middle of the vibration groove, so that the vibration change in the vibration groove can be enlarged, and the vibration loss can be reduced.
In a preferred embodiment, the activation rod is provided with a limit ring in the middle, a retraction spring is movably sleeved at one end of the activation rod close to the conical sleeve, one end of the retraction spring is fixedly connected to the inner side of the conical sleeve, and the other end of the retraction spring is fixedly connected to the limit ring of the activation rod, so that the activation rod is returned by releasing the elastic force of the retraction spring.
In a preferred embodiment, the material of the tapered sleeve is a soft silica gel material, the metal ball is a magnet material, so that the silica gel material of the tapered sleeve can push the actuating rod back into the alarm block, and the magnet material of the metal ball is used for adsorbing the actuating rod.
In a preferred embodiment, the device body shell of the resonance alarm device and the bottom end of the device cover vibration groove can be further fixedly connected with a starting switch, the starting switch is fixedly connected with a power switch of the alarm block through a lead, the top end of the starting switch is fixedly connected with a magnet, a sealing non-transparent block is fixedly connected in the glass cover, a metal ball is fixedly connected in the glass cover, and the sealing non-transparent block is fixedly connected to one side, close to the alarm block, of the device body shell.
In a preferred embodiment, the top end of the gas-filled cabinet is fixedly connected with an electric field alarm device, the electric field alarm device comprises a protective sleeve and a trigger device, an alarm switch is arranged in the trigger device, the inner part of the protective sleeve is fixedly sleeved with a fixed sleeve, the inner part of the fixed sleeve is fixedly sleeved with a coil, the inner part of the coil is movably sleeved with a metal block, the top end of the metal block is fixedly connected with a gasket, the bottom end of the trigger device is fixedly connected with a pushing device at the middle part of the protective sleeve, the pushing device is fixedly connected with a conical pushing block at one end of the metal block, the middle part of the pushing device is provided with a pushing rod, one end of the pushing rod, which is far away from the fixed sleeve, is movably connected in the trigger device, the bottom end of the fixed sleeve is fixedly connected with a fixed base, and the sides of the fixed base are both fixedly connected with an electric field particle entering device, electric field particle access arrangement includes the import device base, the inside activity of import device base has cup jointed the import helicoid, the outer wall fixedly connected with of import device base covers the cover, it is equipped with import helicoid leak protection restriction groove to cover the cover, import helicoid material in two electric field particle access arrangements of unable adjustment base is copper and zinc respectively.
The invention has the technical effects and advantages that:
1. the invention is provided with the vibrator and the glass cover, which is beneficial to generating electric arc when the air pressure of the environment-friendly type gas-filled cabinet has problems, the vibration of the surrounding air is caused to impact the gas-filled cabinet and the resonance alarm device when the electric arc is generated, the vibration received by the gas-filled cabinet is also transmitted to the resonance alarm device through the gas-filled cabinet, the vibration generated by the electric arc is amplified through the resonance alarm device and the device cover and the device main body shell, the vibration groove transmitted between the device cover and the device main body shell through the vibration fixing groove of the device cover and the device main body shell can amplify the vibration generated by the electric arc, so that the vibration effect of the vibrator is enlarged, the inverted U-shaped vibrator generates high-frequency vibration when the vibration groove is enlarged, the surrounding air is driven to vibrate, the glass cover is resonated by the high-frequency vibration of the vibrator to be broken, and the glass cover falls into the bottom of the vibration groove of the device cover and the device main body shell, the starting rod adsorbed by the metal ball is released by the retraction spring to open the alarm switch in the alarm block so as to give an alarm;
2. the electric field alarm device is arranged, so that electric arcs can be generated when the air pressure of the environment-friendly inflatable cabinet is in a problem, a surrounding electric field can be instantly driven, the intensity of the surrounding electric field is instantly increased, at the moment, the electric field of the metal block can enter the coil connected with the inlet spiral coil from the inlet spiral coil made of two different materials due to the fact that the two electric field particles at the bottom end of the fixed base enter the inlet spiral coil in the device, the coil is made to generate magnetism, the metal block is pushed out, the metal block extrudes the conical push block, and the push rod triggers the alarm switch of the trigger device to send an alarm.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention.
Fig. 2 is an exploded view of the overall structure of the first embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of the overall structure of the first embodiment of the present invention.
Fig. 4 is an exploded view of the overall structure of the second embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view of the overall structure of a second embodiment of the present invention.
Fig. 6 is a schematic view of an installation structure of a third embodiment of the present invention.
Fig. 7 is a schematic overall structure diagram of a third embodiment of the present invention.
Fig. 8 is an exploded view of the overall structure of a third embodiment of the present invention.
Fig. 9 is a schematic cross-sectional view of the overall structure of a third embodiment of the present invention.
Fig. 10 is a schematic structural view of a fixing base according to a third embodiment of the present invention.
Fig. 11 is a schematic structural diagram of an electric field particle entrance apparatus according to a third embodiment of the present invention.
The reference signs are: 1. an inflatable cabinet; 2. a resonance alarm device; 201. a device cover; 202. a vibrator; 203. a device body housing; 204. an alarm block; 205. a glass cover; 206. a metal ball; 207. a sealing block; 208. a conical sleeve; 209. a retraction spring; 210. an actuating lever; 3. starting a switch; 301. sealing without a penetration block; 4. an electric field alarm device; 401. a protective sleeve; 402. a trigger device; 403. a pushing device; 4031. a conical push block; 4032. a push rod; 404. a metal block; 405. a coil; 406. fixing a sleeve; 407. a fixed base; 408. electric field particles enter the device; 4081. an inlet device base; 4082. an inlet coil; 4083. a cover sleeve.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and the configurations of the structures described in the following embodiments are merely examples, and the air pressure alarm device for an environmentally friendly inflatable cabinet according to the present invention is not limited to the structures described in the following embodiments, and all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows: referring to fig. 1-3, the invention provides an air pressure alarm device for an environment-friendly inflatable cabinet, which comprises an inflatable cabinet 1 and further comprises:
resonance alarm device 2: the middle part of the front surface of the inflatable cabinet 1 is provided with a resonance alarm device 2, and the resonance alarm device 2 comprises a device cover 201 and a device main body shell 203;
vibrator 202: a vibrator 202 is arranged between the device cover 201 and the device main body shell 203;
the glass cover 205: a glass cover 205 is arranged in the middle of the vibrator 202;
metal ball 206: the middle of the glass cover 205 is provided with a metal ball 206.
Referring to fig. 2-3, a vibration groove is formed between the device cover 201 and the vibrator 202, a vibration fixing groove is formed at the top end of the vibration groove of the device cover 201 and the device body housing 203, the vibrator 202 is fixedly connected in the vibration fixing groove of the device cover 201 and the device body housing 203, the bottom end of the vibrator 202 is located in the vibration groove of the vibrator 202, the bottom end of the vibrator 202 is in an inverted "U" shape, a glass cover 205 is arranged in the inverted "U" shape of the vibrator 202, a sealing block 207 is fixedly connected to one end of the device body housing 203 close to the glass cover 205, the sealing block 207 is fixedly connected to one end of the glass cover 205 close to the device body housing 203, a conical sleeve 208 is fixedly connected to one end of the sealing block 207 far away from the device body housing 203, a starting rod 210 is movably connected to one side of the conical sleeve 208 far away from the device body housing 203, and an alarm block 204 is fixedly connected to one end of the device body housing 203 far away from the vibrator 202, an alarm switch is arranged in the alarm block 204, one end, far away from the vibrator 202, of the starting rod 210 is movably connected with the alarm switch of the alarm block 204, the alarm switch of the alarm block 204 is connected with a signal sending device, when the alarm block 204 is turned on, an alarm can be given, and a signal can be sent while the alarm is given, so that a fault can be quickly known for maintenance under the unmanned condition.
Referring to fig. 2-3, one end of the glass cover 205 close to the device cover 201 is provided with a small air vent, and the device cover 201 is provided with a vibration sound-receiving hole in the middle of the vibration groove, and the small air vent is used to make the glass cover 205 generate resonance more easily.
Referring to fig. 2-3, a limit ring is arranged in the middle of the actuating rod 210, a retraction spring 209 is movably sleeved at one end of the actuating rod 210 close to the tapered sleeve 208, one end of the retraction spring 209 is fixedly connected to the inner side of the tapered sleeve 208, and the other end of the retraction spring 209 is fixedly connected to the limit ring of the actuating rod 210.
Referring to fig. 2, the cone-shaped sleeve 208 is made of soft silica gel, and the metal ball 206 is made of magnet.
The working principle of the first embodiment of the invention is as follows: when the air pressure of the environment-friendly type gas-filled cabinet is in a problem, an electric arc is generated, when the electric arc is generated, vibration of surrounding air is caused to impact the gas-filled cabinet 1 and the resonance alarm device 2, vibration of the gas-filled cabinet 1 is also conducted to the resonance alarm device 2 through the gas-filled cabinet 1, the vibration generated by the electric arc is expanded through the resonance alarm device 2 and conducted to the device cover 201 and the device body shell 203 through the vibration fixing grooves of the device cover 201 and the device body shell 203, so that the vibration effect of the vibrator 202 is increased, when the vibration is increased, the inverted U-shaped vibrator generates high-frequency vibration, so that the surrounding air is driven to vibrate, the glass cover 205 is resonated and broken by the high-frequency vibration of the vibrator 202, and the glass cover 205 falls into the vibration groove bottom of the device cover 201 and the device body shell 203, make the actuating lever 210 that is adsorbed by metal ball 206 released elasticity by retraction spring 209 for actuating lever 210 opens the alarm switch in the warning piece 204 thereby send out the police dispatch newspaper, when accomplishing the maintenance, through placing metal ball 206 in new glass cover 205, with glass cover 205 fixed connection on seal block 207 this moment, thereby accomplish the installation of siren this moment, can report to the police when the alarm switch is opened to warning piece 204 simultaneously, can send the signal thereby it maintains to make also can learn the trouble relatively fast under unmanned situation when reporting to the police.
Example two:
referring to fig. 4-5, the device body case 203 and the bottom end of the vibration groove of the device cover 201 of the resonance alarm device 2 may further be fixedly connected with a start switch 3, the start switch 3 is fixedly connected with a power switch of the alarm block 204 through a wire, the top end of the start switch 3 is fixedly connected with a magnet, the glass cover 205 is internally and fixedly connected with a sealing non-transparent block 301, the glass cover 205 is internally and fixedly connected with a metal ball 206, the sealing non-transparent block 301 is fixedly connected to one side of the device body case 203 close to the alarm block 204, the glass cover 205 is resonated and broken by the high-frequency vibration of the vibrator 202, so that the metal ball 206 falls, and the metal ball 206 and the start switch 3 are attracted to trigger the switch of the start switch 3 due to the magnetic influence of the metal ball 206 and the start switch 3, so that the alarm block 204 triggers an alarm, the difference between the second embodiment and the first embodiment is that: the switch is triggered by the starting switch 3 at the bottom end of the vibration groove of the triggering device cover 201 and the device main body shell 203 after the metal ball 206 falls, the alarm effect is achieved, meanwhile, the alarm block 204 can give an alarm when the alarm switch is turned on, and the alarm block can send a signal so that a fault can be quickly known to be maintained under an unmanned condition.
Example three:
referring to fig. 6-11, the top end of the gas-filled cabinet 1 is fixedly connected with an electric field alarm device 4, the electric field alarm device 4 includes a protective sleeve 401 and a trigger device 402, an alarm switch is disposed in the trigger device 402, a fixed sleeve 406 is fixedly sleeved inside the protective sleeve 401, a coil 405 is fixedly sleeved inside the fixed sleeve 406, a metal block 404 is movably sleeved inside the coil 405, a gasket is fixedly connected to the top end of the metal block 404, the bottom end of the trigger device 402 is located in the middle of the protective sleeve 401 and is fixedly connected with a push device 403, one end of the push device 403 located in the metal block 404 is fixedly connected with a conical push block 4031, the middle of the push device 403 is provided with a push rod 4032, one end of the push rod 4032 away from the fixed sleeve 406 is movably connected in the trigger device 402, the bottom end of the fixed sleeve 406 is fixedly connected with a fixed base 407, and sides of the fixed base 407 are both fixedly connected with an electric field particle entering device 408, the electric field particle entering device 408 comprises an inlet device base 4081, an inlet spiral coil 4082 is movably sleeved inside the inlet device base 4081, a covering sleeve 4083 is fixedly connected to the outer wall of the inlet device base 4081, the covering sleeve 4083 is provided with an inlet spiral coil 4082 leakage-proof limiting groove, the inlet spiral coils 4082 in the two electric field particle entering devices 408 of the fixed base 407 are made of copper and zinc respectively, so that an electric arc is generated when the air pressure of the environment-friendly inflatable cabinet is in problem, the surrounding electric field is instantaneously driven, the surrounding electric field strength is instantaneously increased, at this time, due to the difference of the materials of the inlet spiral coils 4082 in the two electric field particle entering devices 408 at the bottom end of the fixed base 407, the positive and negative electric fields enter the coil 405 connected with the inlet spiral coil 4082 from the two inlet spiral coils 4082 made of different materials, so that the coil 405 generates magnetism, thereby pushing the metal block 404 out, so that the metal block 404 presses the conical push block 4031, so that the push rod 4032 triggers the alarm switch of the triggering device 402 to send out an alarm, and the third embodiment is different from the first embodiment in that: the embodiment has three purposes that the electric field is converted into the magnetic field to trigger the alarm switch, then the alarm block 204 can give an alarm when the alarm switch is turned on, and the alarm block can send a signal at the same time of giving an alarm, so that the fault can be known quickly for maintenance under the unmanned condition.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (4)
1. The utility model provides an atmospheric pressure alarm device for environment-friendly aerifys cabinet, is including aerifing cabinet (1), its characterized in that still includes:
resonance alarm device (2): the middle part of the front surface of the inflatable cabinet (1) is provided with a resonance alarm device (2), and the resonance alarm device (2) comprises a device cover (201) and a device main body shell (203);
vibrator (202): a vibrator (202) is arranged between the device cover (201) and the device main body shell (203);
glass cover (205): a glass cover (205) is arranged in the middle of the vibrator (202);
metal balls (206): a metal ball (206) is arranged in the middle of the glass cover (205);
a vibration groove is formed between the device cover (201) and the vibrator (202), a vibration fixing groove is formed in the top end of the vibration groove of the device cover (201) and the device main body shell (203), the vibrator (202) is fixedly connected in the vibration fixing groove of the device cover (201) and the device main body shell (203), the bottom end of the vibrator (202) is located in the vibration groove of the vibrator (202), the bottom end of the vibrator (202) is in an inverted U shape, a glass cover (205) is arranged in the inverted U shape of the vibrator (202), a sealing block (207) is fixedly connected to one end, close to the glass cover (205), of the device main body shell (203), the sealing block (207) is fixedly connected with one end, close to the device main body shell (203), of the glass cover (205), and a conical sleeve (208) is fixedly connected to one end, far away from the device main body shell (203), of the sealing block (207), the inner part of one side, away from the main body shell (203), of the conical sleeve (208) is movably connected with a starting rod (210), one end, away from the vibrator (202), of the main body shell (203) is fixedly connected with an alarm block (204), an alarm switch is arranged in the alarm block (204), one end, away from the vibrator (202), of the starting rod (210) is movably connected with the alarm switch of the alarm block (204), and the alarm switch of the alarm block (204) is connected with a signal sending device;
the middle part of the starting rod (210) is provided with a limiting ring, one end of the starting rod (210) close to the conical sleeve (208) is movably sleeved with a retraction spring (209), one end of the retraction spring (209) is fixedly connected to the inner side of the conical sleeve (208), and the other end of the retraction spring (209) is fixedly connected to the limiting ring of the starting rod (210).
2. The air pressure alarm device for the environment-friendly inflatable cabinet as claimed in claim 1, wherein: one end of the glass cover (205) close to the device cover (201) is provided with a small air vent, and the middle part of the device cover (201) in the vibration groove is provided with a vibration sound receiving hole.
3. The air pressure alarm device for the environment-friendly inflatable cabinet as claimed in claim 1, wherein: the material of toper cover (208) is soft silica gel material.
4. The utility model provides a atmospheric pressure alarm device for environment-friendly aerifys cabinet which characterized in that still includes:
resonance alarm device (2): the middle part of the front surface of the inflatable cabinet (1) is provided with a resonance alarm device (2), and the resonance alarm device (2) comprises a device cover (201) and a device main body shell (203);
vibrator (202): a vibrator (202) is arranged between the device cover (201) and the device main body shell (203);
glass cover (205): a glass cover (205) is arranged in the middle of the vibrator (202);
metal balls (206): a metal ball (206) is arranged in the middle of the glass cover (205);
the bottom of the device main body shell (203) and the device cover (201) vibration groove of resonance alarm device (2) is fixedly connected with starting switch (3), starting switch (3) is through the switch of wire fixed connection warning piece (204), the top fixedly connected with magnet of starting switch (3), the sealed piece (301) that does not pass through of fixedly connected with in glass cover (205), the inside of glass cover (205) is equipped with metal ball (206), sealed piece (301) fixed connection that does not pass through is in the one side that device main body shell (203) is close to warning piece (204), metal ball (206) are the magnet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111237342.1A CN113675778B (en) | 2021-10-25 | 2021-10-25 | Air pressure alarm device for environment-friendly inflatable cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111237342.1A CN113675778B (en) | 2021-10-25 | 2021-10-25 | Air pressure alarm device for environment-friendly inflatable cabinet |
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| Publication Number | Publication Date |
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| CN113675778A CN113675778A (en) | 2021-11-19 |
| CN113675778B true CN113675778B (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111237342.1A Active CN113675778B (en) | 2021-10-25 | 2021-10-25 | Air pressure alarm device for environment-friendly inflatable cabinet |
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|---|---|---|---|---|
| JPS57188124A (en) * | 1981-05-14 | 1982-11-19 | Seiko Epson Corp | Tuning fork type piezoelectric oscillator |
| CN204472741U (en) * | 2014-12-30 | 2015-07-15 | 浙江吉利汽车研究院有限公司 | A kind of glass for vehicle window splits crushing device automatically |
| CN206432620U (en) * | 2017-01-13 | 2017-08-22 | 惠州市凯特电力设备有限公司 | A kind of gas-filling cabinet with low-air pressure alarm |
| CN208690838U (en) * | 2018-08-28 | 2019-04-02 | 合肥兴东电器开关有限责任公司 | A kind of sulfur hexafluoride looped network box |
| CN111430174A (en) * | 2020-05-07 | 2020-07-17 | 国网冀北电力有限公司物资分公司 | High-voltage switch |
| CN112688222A (en) * | 2020-11-12 | 2021-04-20 | 江苏南瑞帕威尔电气有限公司 | Two-in-one low-pressure locking device suitable for gas insulation ring main unit |
| CN113356724A (en) * | 2021-06-23 | 2021-09-07 | 南通海鹰木业股份有限公司 | Vibration-driving air-blowing type easily-cleaned aluminum-clad wood door and window |
-
2021
- 2021-10-25 CN CN202111237342.1A patent/CN113675778B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57188124A (en) * | 1981-05-14 | 1982-11-19 | Seiko Epson Corp | Tuning fork type piezoelectric oscillator |
| CN204472741U (en) * | 2014-12-30 | 2015-07-15 | 浙江吉利汽车研究院有限公司 | A kind of glass for vehicle window splits crushing device automatically |
| CN206432620U (en) * | 2017-01-13 | 2017-08-22 | 惠州市凯特电力设备有限公司 | A kind of gas-filling cabinet with low-air pressure alarm |
| CN208690838U (en) * | 2018-08-28 | 2019-04-02 | 合肥兴东电器开关有限责任公司 | A kind of sulfur hexafluoride looped network box |
| CN111430174A (en) * | 2020-05-07 | 2020-07-17 | 国网冀北电力有限公司物资分公司 | High-voltage switch |
| CN112688222A (en) * | 2020-11-12 | 2021-04-20 | 江苏南瑞帕威尔电气有限公司 | Two-in-one low-pressure locking device suitable for gas insulation ring main unit |
| CN113356724A (en) * | 2021-06-23 | 2021-09-07 | 南通海鹰木业股份有限公司 | Vibration-driving air-blowing type easily-cleaned aluminum-clad wood door and window |
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| Publication number | Publication date |
|---|---|
| CN113675778A (en) | 2021-11-19 |
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