CN111725011A - Double-power automatic change-over switch - Google Patents
Double-power automatic change-over switch Download PDFInfo
- Publication number
- CN111725011A CN111725011A CN202010570682.5A CN202010570682A CN111725011A CN 111725011 A CN111725011 A CN 111725011A CN 202010570682 A CN202010570682 A CN 202010570682A CN 111725011 A CN111725011 A CN 111725011A
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- power supply
- frame body
- value
- embedded
- automatic transfer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a dual-power automatic transfer switch, which relates to the technical field of automatic transfer switches and comprises a frame body, wherein a toggle piece is rotatably connected to the middle position of the front surface of the frame body, a display screen is fixedly installed at the position of the edge of one side of the front surface of the frame body, a control button is fixedly installed at the position of the front surface of the frame body, which is located at the lower end of the display screen, a limiting plate is fixedly installed on the rear surface of the frame body, a rotating column is rotatably connected to the middle position of the upper surface of the limiting plate, an embedded groove is formed in the middle position of the rear end of the limiting plate, an installation plate is rotatably connected to the outer surface of the rear end of the limiting plate, a plurality of cable sockets are fixedly installed at the positions. This automatic change-over switch can be quick effectual completion to the installation work of framework, accomplishes the installation back, still can reach the rotation effect to the framework, and the operating personnel of being convenient for handles.
Description
Technical Field
The invention relates to the technical field of automatic transfer switches, in particular to a dual-power automatic transfer switch.
Background
Common automatic transfer switch electrical apparatus, by the switch part, mechanical linkage, electric operating mechanism and controller constitute, it is commonly used to have, reserve two positions or commonly used, it is reserve, the three position of disconnection, in normal, reserve two way mains operated system, when the power takes place undervoltage, excessive pressure, frequency deviation, when breaking phase and so on trouble of the same kind wherein, the switch can automatic switch to the normal power in another way, reliability in order to guarantee the power supply, when needs overhaul the switch, the switch can rotate to the disconnection position and lock, personnel's security when carrying out the switch maintenance operation in order to guarantee.
Dual supply automatic transfer switch is using the installation, and it is injectd the mechanism because of inside not having better installation, leads to in the installation, can consume a large amount of operating time of constructor, leads to the installation effectiveness to reduce simultaneously, is unfavorable for the constructor to install the processing.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the dual-power automatic transfer switch, and solves the problems that no good installation limiting mechanism exists in the dual-power automatic transfer switch, so that a large amount of working time of constructors can be consumed in the installation process, the installation efficiency is reduced, and the installation processing of the constructors is not facilitated.
In order to achieve the purpose, the invention is realized by the following technical scheme: dual supply automatic transfer switch, the fruit pick-up device comprises a frame body, frame front surface intermediate position department rotates and is connected with the stirring piece, frame front surface one side border position department fixed mounting has the display screen, frame front surface is located display screen lower extreme position department fixed mounting has control button, frame rear surface fixed mounting has the limiting plate, limiting plate upper surface intermediate position department rotates and is connected with the rotation post, limiting plate rear end surface intermediate position department has seted up the embedded groove, limiting plate rear end surface rotates and is connected with the mounting panel, the equal fixed mounting in both sides position department has a plurality of cable socket in the middle of the frame upper surface, cable socket annular surface rotates and is connected with screws up the bolt.
Preferably, mounting panel front surface intermediate position department fixed mounting has hollow sleeve, hollow sleeve annular surface one end position department rotates and is connected with the rotating disc, the inside swing joint of hollow sleeve has spacing a section of thick bamboo of inserting, spacing a section of thick bamboo one end position department fixed mounting that inserts has external screw thread post, external screw thread post one end position department fixed mounting has the embedded plate, embedded plate upper surface intermediate position department has seted up the spacing groove.
Preferably, the embedded plate is positioned inside the embedded groove, and the embedded plate is connected with the embedded groove in an embedded mode.
Preferably, an internal thread is formed in the inner wall of the rotating disc, an external thread is formed in the annular outer surface of the external threaded column, the rotating disc is in threaded connection with the external threaded column, the limiting insertion cylinder is located inside the hollow sleeve and is in rotational connection with the hollow sleeve, and the rotating disc is rotatably connected with a movable bearing on the outer surface of the hollow sleeve.
Preferably, the external screw thread has been seted up to the rotating column annular surface, the notch that supplies the rotating column activity is seted up to limiting plate inside, the rotating column annular surface is close to upper end position department parcel and has had the rubber cushion, and anti-skidding line has been seted up to rubber cushion annular surface, the rotating column bottom is located the spacing inslot portion, and rotates between post and the spacing groove embedded connection.
Preferably, the annular outer surface of the poking piece is wrapped with a rubber cushion, and the annular outer surface of the rubber cushion is provided with anti-skid grains.
Preferably, the automatic switching method of the dual power automatic transfer switch includes the following steps:
step 1, detecting the positions of a common power supply and a standby power supply, and respectively obtaining the voltage values of the positions of the common power supply and the standby power supply;
step 3, calculating a difference value between the detected V1 value of the position of the common power supply and a normal voltage value, checking whether the difference value is smaller than 5V, if so, calculating a difference value between the detected V2 value of the position of the standby power supply and the normal voltage value, checking whether the difference value is smaller than 5V, if so, successfully switching the double power supplies, and finishing the work;
step 4, when the difference value between the V1 value and the normal voltage value is greater than 5V in the step 3, starting a first delay module, starting the first delay module to delay the appointed time length T1, after the appointed time length is prolonged, repeating the step 1 to detect the voltage value of the common power supply position, if the difference value between the V2 value and the normal voltage value in the step 3 is greater than 5V, directly starting a second delay module, starting the second delay module to delay the appointed time length T2, after the T2 time length is prolonged, repeating the operation of the step 1, and detecting the voltage value of the standby power supply position;
and 5, sequentially carrying out detection processing, and finishing the switching operation if the difference values between the detected voltage values V1 and V2 and the normal voltage value are less than 5V.
Preferably, when the voltage values of the common power source position and the standby power source position are detected in step 1, an external voltage detection device is used to perform detection processing on the common power source position and the standby power source position.
Advantageous effects
The invention provides a dual-power automatic transfer switch. Compared with the prior art, the method has the following beneficial effects:
1. the dual-power automatic transfer switch is characterized in that the mounting plate is mounted at a designated position through a mounting thread groove arranged in the mounting plate, after the mounting plate is mounted, the embedded plate is embedded into an embedded groove on the rear surface of the limiting plate, after the embedding effect between the embedded plate and the embedded groove is completed, the rotating column is rotated, when the rotating column rotates, the rotating column moves towards the inside of the limiting plate, when the rotating column rotates, the rotating column moves into a limiting groove arranged in the embedded plate, after the mounting between the embedded plate and the limiting plate is completed, the limiting insertion barrel is inserted into the hollow sleeve, then the rotating disc is rotated, so that the rotating disc is connected with the hollow sleeve, the mounting work of the whole frame body is completed, when the rotating disc is unscrewed, the frame body can be effectively driven to rotate through the rotating effect of the limiting insertion barrel, and the use position of the frame body can be changed, the frame body can rotate, after the appointed rotation angle is completed, the rotating disc is screwed down, the fixing effect on the frame body is achieved, the installation work on the frame body can be rapidly and effectively completed, after the installation is completed, the rotating effect on the frame body can be achieved, and an operator can conveniently handle the rotating disc.
2. In the step 3 and the step 4, the difference value between the detected V1 value of the position of the common power supply and the normal voltage value is calculated, whether the difference value is smaller than 5V or not is checked, if the difference value is smaller than 5V, the difference value between the detected V2 value of the position of the standby power supply and the normal voltage value is calculated, whether the difference value is smaller than 5V or not is checked, if the difference value is smaller than 5V, the double power supply is successfully switched, and the work is finished; and when the difference value between the V1 value and the normal voltage value in the step 3 is greater than 5V, starting the first delay module for a delay designated time length T1, after the designated time length is prolonged, repeating the step 1 to detect the voltage value of the common power supply position, if the difference value between the V2 value and the normal voltage value in the step 3 is greater than 5V, directly starting the second delay module, starting the second delay module for a delay designated time length T2, and after the T2 time length is prolonged, repeating the operation of the step 1 to detect the voltage value of the standby power supply position, so that the automatic conversion work of the double power supplies can be quickly and effectively completed, a large error can be effectively prevented in the conversion process, and an operator can conveniently perform operation processing.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the inner structure of the frame body of the present invention;
FIG. 3 is a schematic plan view of a combined structure of a limiting plate and a mounting plate according to the present invention;
FIG. 4 is an enlarged view of a portion of the structure of the area A in FIG. 1 according to the present invention;
FIG. 5 is a flow chart of the conversion method of the present invention.
In the figure: 1. a frame body; 2. a limiting plate; 3. a display screen; 4. a control button; 5. a toggle sheet; 6. a cable socket; 7. mounting a plate; 8. installing a thread groove; 9. a hollow sleeve; 10. rotating the disc; 11. limiting the inserting cylinder; 12. an external threaded column; 13. a limiting groove; 14. rotating the column; 15. screwing down the bolt; 16. a groove is embedded; 17. a plate is embedded.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-2, the present invention provides a technical solution: a double-power-supply automatic change-over switch comprises a frame body 1, wherein a poking piece 5 is rotatably connected at the middle position of the front surface of the frame body 1, a display screen 3 is fixedly installed at the edge position of one side of the front surface of the frame body 1, a control button 4 is fixedly installed at the position of the lower end of the display screen 3 at the front surface of the frame body 1, a limiting plate 2 is fixedly installed at the rear surface of the frame body 1, a rotating column 14 is rotatably connected at the middle position of the upper surface of the limiting plate 2, an embedded groove 16 is formed at the middle position of the outer surface of the rear end of the limiting plate 2, a mounting plate 7 is rotatably connected at the outer surface of the rear end of the limiting plate 2, a plurality of cable sockets 6 are fixedly installed at the positions of two sides of the middle position of the upper surface of the frame body 1, a tightening bolt 15 is rotatably connected at the, the anti-slip threads are formed in the annular outer surface of the rubber cushion, the bottom of the rotating column 14 is located inside the limiting groove 13, the limiting groove 13 can accommodate the bottom of the rotating column 14, the rotating column 14 is connected with the limiting groove 13 in an embedded mode, the annular outer surface of the poking piece 5 is wrapped with the rubber cushion, the anti-slip threads are formed in the annular outer surface of the rubber cushion, and slipping when an external operator holds the rubber cushion is avoided;
referring to fig. 3-4, a hollow sleeve 9 is fixedly installed at the middle position of the front surface of the mounting plate 7, a rotating disc 10 is rotatably connected at one end position of the annular outer surface of the hollow sleeve 9, a limiting insertion barrel 11 is movably connected inside the hollow sleeve 9, an external threaded post 12 is fixedly installed at one end position of the limiting insertion barrel 11, an embedded plate 17 is fixedly installed at one end position of the external threaded post 12, a limiting groove 13 is formed at the middle position of the upper surface of the embedded plate 17, the embedded plate 17 is located inside the embedded groove 16, the embedded plate 17 is in embedded connection with the embedded groove 16, an internal thread is formed on the inner wall of the rotating disc 10, an external thread is formed on the annular outer surface of the external threaded post 12, the rotating disc 10 is in threaded connection with the external threaded post 12, when the rotating disc 10 rotates, the external threaded post 12 can be effectively driven to move, the limiting insertion barrel 11, the hollow sleeve 9 is used for accommodating the limiting insertion barrel 11, the limiting insertion barrel 11 is rotatably connected with the hollow sleeve 9, the limiting insertion barrel 11 can rotate inside the hollow sleeve 9, and the rotating disc 10 is rotatably connected with the outer surface of the hollow sleeve 9 through a movable bearing;
further, referring to fig. 5, an automatic switching method of a dual power automatic transfer switch includes the following steps:
step 1, detecting the positions of a common power supply and a standby power supply, and respectively obtaining the voltage values of the positions of the common power supply and the standby power supply;
step 3, calculating a difference value between the detected V1 value of the position of the common power supply and a normal voltage value, checking whether the difference value is smaller than 5V, if so, calculating a difference value between the detected V2 value of the position of the standby power supply and the normal voltage value, checking whether the difference value is smaller than 5V, if so, successfully switching the double power supplies, and finishing the work;
step 4, when the difference value between the V1 value and the normal voltage value is greater than 5V in the step 3, starting a first delay module, starting the first delay module to delay the appointed time length T1, after the appointed time length is prolonged, repeating the step 1 to detect the voltage value of the common power supply position, if the difference value between the V2 value and the normal voltage value in the step 3 is greater than 5V, directly starting a second delay module, starting the second delay module to delay the appointed time length T2, after the T2 time length is prolonged, repeating the operation of the step 1, and detecting the voltage value of the standby power supply position;
and 5, sequentially carrying out detection processing, and finishing the switching operation if the difference values between the detected voltage values V1 and V2 and the normal voltage value are less than 5V.
Further, when the voltage values of the common power supply position and the standby power supply position are detected in step 1, an external voltage detection device is used for detecting the common power supply position and the standby power supply position.
When the installation device is used, when the frame body 1 is installed, the installation plate 7 is installed at a designated position in advance through the installation thread groove 8 arranged in the installation plate 7, after the installation of the installation plate 7 is completed, the embedded plates 17 are embedded into the embedded grooves 16 on the rear surface of the limiting plate 2, after the embedding action between the embedded plates 17 and the embedded grooves 16 is completed, the rotating column 14 is rotated, when the rotating column 14 is rotated, the rotating column moves to the inside of the limiting plate 2, when the rotating column 14 is rotated, the rotating column moves to the inside of the limiting grooves 13 arranged in the embedded plates 17, after the installation between the embedded plates 17 and the limiting plate 2 is completed, the limiting insertion barrel 11 is inserted into the hollow sleeve 9, then the rotating disc 10 is rotated, so that the connection between the rotating disc 10 and the hollow sleeve 9 is completed, the installation work of the whole frame body 1 is completed, when the rotating disc 10 is unscrewed, the rotating action of the limiting insertion barrel 11 can be passed, effectively drive framework 1 and rotate, just can change the position of use of framework 1, make framework 1 can rotate, accomplish appointed rotation angle back, screw up rotating disc 10, reach the fixed action to framework 1, can be quick effectual the completion to the installation work of framework 1, accomplish the installation back, still can reach the rotation effect to framework 1, the operating personnel of being convenient for handles.
It is noted that, herein, relational terms such as first and second, and the like may be 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Dual supply automatic transfer switch, including framework (1), its characterized in that: a poking sheet (5) is rotatably connected at the middle position of the front surface of the frame body (1), a display screen (3) is fixedly arranged at the edge of one side of the front surface of the frame body (1), a control button (4) is fixedly arranged on the front surface of the frame body (1) at the lower end of the display screen (3), a limiting plate (2) is fixedly arranged on the rear surface of the frame body (1), a rotating column (14) is rotatably connected to the middle position of the upper surface of the limiting plate (2), an embedded groove (16) is arranged in the middle of the outer surface of the rear end of the limit plate (2), the outer surface of the rear end of the limit plate (2) is rotationally connected with a mounting plate (7), a plurality of cable sockets (6) are fixedly arranged at the two sides of the middle of the upper surface of the frame body (1), the annular outer surface of the cable socket (6) is rotatably connected with a tightening bolt (15).
2. The dual power automatic transfer switch of claim 1, wherein: fixed mounting is located to mounting panel (7) front surface intermediate position has hollow sleeve (9), hollow sleeve (9) annular surface one end position department rotates and is connected with rotating disc (10), the inside swing joint of hollow sleeve (9) has spacing a section of thick bamboo (11) of inserting, spacing a section of thick bamboo (11) one end position department fixed mounting has external screw thread post (12), external screw thread post (12) one end position department fixed mounting has embedded plate (17), embedded plate (17) upper surface intermediate position department has seted up spacing groove (13).
3. The dual power automatic transfer switch of claim 2, wherein: the embedded plate (17) is positioned inside the embedded groove (16), and the embedded plate (17) is connected with the embedded groove (16) in an embedded mode.
4. The dual power automatic transfer switch of claim 2, wherein: the internal thread has been seted up to rotation disc (10) inner wall, external screw thread post (12) annular surface has seted up the external screw thread, the screw thread formula is connected between rotation disc (10) and external screw thread post (12), a section of thick bamboo (11) are located inside hollow sleeve (9) to spacing inserting, and rotate between spacing inserting section of thick bamboo (11) and hollow sleeve (9) and be connected, rotation disc (10) and hollow sleeve (9) surface rotate and are connected with the loose bearing.
5. The dual power automatic transfer switch of claim 1, wherein: rotate post (14) annular surface and seted up the external screw thread, limiting plate (2) inside offer the notch that supplies to rotate post (14) activity, it has the rubber cushion to rotate post (14) annular surface and be close to upper end position department parcel, and the antiskid line has been seted up to rubber cushion annular surface, it is inside that post (14) bottom is located spacing groove (13) to rotate, and rotates embedded being connected between post (14) and spacing groove (13).
6. The dual power automatic transfer switch of claim 1, wherein: the annular outer surface of the poking piece (5) is wrapped with a rubber cushion, and the annular outer surface of the rubber cushion is provided with anti-skid grains.
7. An automatic switching method of a dual-power automatic transfer switch comprises the following steps:
step 1, detecting the positions of a common power supply and a standby power supply, and respectively obtaining the voltage values of the positions of the common power supply and the standby power supply;
step 2, calculating voltage values V1 and V2 inside a common power supply position and a standby power supply position through the detected voltage values;
step 3, calculating a difference value between the detected V1 value of the position of the common power supply and a normal voltage value, checking whether the difference value is smaller than 5V, if so, calculating a difference value between the detected V2 value of the position of the standby power supply and the normal voltage value, checking whether the difference value is smaller than 5V, if so, successfully switching the double power supplies, and finishing the work;
step 4, when the difference value between the V1 value and the normal voltage value is greater than 5V in the step 3, starting a first delay module, starting the first delay module to delay the appointed time length T1, after the appointed time length is prolonged, repeating the step 1 to detect the voltage value of the common power supply position, if the difference value between the V2 value and the normal voltage value in the step 3 is greater than 5V, directly starting a second delay module, starting the second delay module to delay the appointed time length T2, after the T2 time length is prolonged, repeating the operation of the step 1, and detecting the voltage value of the standby power supply position;
and 5, sequentially carrying out detection processing, and finishing the switching operation if the difference values between the detected voltage values V1 and V2 and the normal voltage value are less than 5V.
8. The automatic transfer method of the dual power automatic transfer switch of claim 7, wherein: and in the step 1, when the voltage values of the positions of the common power supply and the standby power supply are detected, an external voltage detection device is adopted to detect the positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010570682.5A CN111725011B (en) | 2020-06-19 | 2020-06-19 | Double-power automatic change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010570682.5A CN111725011B (en) | 2020-06-19 | 2020-06-19 | Double-power automatic change-over switch |
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| CN111725011A true CN111725011A (en) | 2020-09-29 |
| CN111725011B CN111725011B (en) | 2022-05-27 |
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| CN202010570682.5A Active CN111725011B (en) | 2020-06-19 | 2020-06-19 | Double-power automatic change-over switch |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110036695A1 (en) * | 2009-08-14 | 2011-02-17 | Ls Industrial Systems Co., Ltd. | Transfer device for automatic transfer switch |
| CN201868277U (en) * | 2010-12-09 | 2011-06-15 | 广东高新兴通信股份有限公司 | Switch mutual interlocking mechanism |
| CN202394743U (en) * | 2012-01-16 | 2012-08-22 | 青岛黄海电器设备有限公司 | Automatic duel-power transfer switchgear cabinet |
| CN105098969A (en) * | 2015-09-14 | 2015-11-25 | 北京明日电器设备有限责任公司 | Adjustable dual-power automatic change-over switch |
| CN204834505U (en) * | 2015-07-18 | 2015-12-02 | 安徽机电职业技术学院 | Iron stand is installed fast to relay |
| CN205681180U (en) * | 2016-06-23 | 2016-11-09 | 天津市森达奥电气有限公司 | A kind of double power supply automatic transfer switch with substantially instruction |
| CN108321047A (en) * | 2018-02-02 | 2018-07-24 | 深圳曼顿科技有限公司 | Miniature circuit breaker with novel zero sequence mutual inductor installation structure |
| CN209071169U (en) * | 2019-04-09 | 2019-07-05 | 扬州沃德电气有限公司 | A kind of fire prevention automatic change-over electric appliance with duplicate |
| CN209607622U (en) * | 2019-04-25 | 2019-11-08 | 上海精益开关厂有限公司 | Double power supply automatic transfer switch |
| CN110611364A (en) * | 2018-06-14 | 2019-12-24 | 中网电力科技有限公司 | Automatic dual-power conversion device and method for high-voltage intelligent vacuum circuit breaker |
| CN210272112U (en) * | 2019-06-13 | 2020-04-07 | 杭州恒瑞电气科技有限公司 | Mounting structure of dual-power automatic transfer switch |
| CN210349616U (en) * | 2019-11-04 | 2020-04-17 | 何海锋 | Adjustable dual-power transfer switch |
| CN210628130U (en) * | 2019-04-12 | 2020-05-26 | 上海西屋高新集团有限公司 | Isolated automatic change-over switch |
-
2020
- 2020-06-19 CN CN202010570682.5A patent/CN111725011B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110036695A1 (en) * | 2009-08-14 | 2011-02-17 | Ls Industrial Systems Co., Ltd. | Transfer device for automatic transfer switch |
| CN201868277U (en) * | 2010-12-09 | 2011-06-15 | 广东高新兴通信股份有限公司 | Switch mutual interlocking mechanism |
| CN202394743U (en) * | 2012-01-16 | 2012-08-22 | 青岛黄海电器设备有限公司 | Automatic duel-power transfer switchgear cabinet |
| CN204834505U (en) * | 2015-07-18 | 2015-12-02 | 安徽机电职业技术学院 | Iron stand is installed fast to relay |
| CN105098969A (en) * | 2015-09-14 | 2015-11-25 | 北京明日电器设备有限责任公司 | Adjustable dual-power automatic change-over switch |
| CN205681180U (en) * | 2016-06-23 | 2016-11-09 | 天津市森达奥电气有限公司 | A kind of double power supply automatic transfer switch with substantially instruction |
| CN108321047A (en) * | 2018-02-02 | 2018-07-24 | 深圳曼顿科技有限公司 | Miniature circuit breaker with novel zero sequence mutual inductor installation structure |
| CN110611364A (en) * | 2018-06-14 | 2019-12-24 | 中网电力科技有限公司 | Automatic dual-power conversion device and method for high-voltage intelligent vacuum circuit breaker |
| CN209071169U (en) * | 2019-04-09 | 2019-07-05 | 扬州沃德电气有限公司 | A kind of fire prevention automatic change-over electric appliance with duplicate |
| CN210628130U (en) * | 2019-04-12 | 2020-05-26 | 上海西屋高新集团有限公司 | Isolated automatic change-over switch |
| CN209607622U (en) * | 2019-04-25 | 2019-11-08 | 上海精益开关厂有限公司 | Double power supply automatic transfer switch |
| CN210272112U (en) * | 2019-06-13 | 2020-04-07 | 杭州恒瑞电气科技有限公司 | Mounting structure of dual-power automatic transfer switch |
| CN210349616U (en) * | 2019-11-04 | 2020-04-17 | 何海锋 | Adjustable dual-power transfer switch |
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| Publication number | Publication date |
|---|---|
| CN111725011B (en) | 2022-05-27 |
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