CN111341577A - Dual-power automatic transfer switch - Google Patents
Dual-power automatic transfer switch Download PDFInfo
- Publication number
- CN111341577A CN111341577A CN202010188963.4A CN202010188963A CN111341577A CN 111341577 A CN111341577 A CN 111341577A CN 202010188963 A CN202010188963 A CN 202010188963A CN 111341577 A CN111341577 A CN 111341577A
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- CN
- China
- Prior art keywords
- plate
- vertical
- transverse
- clamping block
- transfer switch
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- 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.)
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Classifications
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
-
- 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
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
Abstract
The invention discloses a dual-power automatic transfer switch, which comprises a transfer switch main body, a support frame and a fixing device, wherein the support frame is arranged on the transfer switch main body; the supporting frame comprises a supporting plate, the top of the supporting plate is provided with a positioning groove, and the bottom of the change-over switch main body is provided with a base positioned in the positioning groove; the fixing device comprises two translation frames which are respectively arranged at two sides of the positioning groove, each translation frame comprises a vertical plate and a transverse plate, the inner sides of the vertical plates are connected with transverse clamping blocks through springs, the lower sides of the transverse plates are connected with vertical clamping blocks through springs, the inner sides of the bottoms of the vertical clamping blocks are provided with first inclined planes, and the top of the base is provided with second inclined planes corresponding to the first inclined planes; the inside of base is equipped with the installation cavity, and swing joint has the board of taking out in the installation cavity, takes out and is equipped with lighting device on the board. According to the double-power-supply automatic change-over switch, the fixing device is arranged, so that the change-over switch is convenient to mount, the fixing effect is good, and the practicability is high; through setting up lighting device, the maintenance personal of being convenient for carries out maintenance operation to change over switch under comparatively dim environment.
Description
Technical Field
The invention relates to a dual-power automatic transfer switch.
Background
The automatic change-over switch is composed of one or several change-over switch electric appliances and other necessary electric appliances, is used for detecting a power supply circuit and automatically changing one or more load circuits from one power supply to another power supply, is an electric appliance with complete performance, safety and reliability, high automation degree and wide application range, and is automatically connected to a standby power supply when the power is suddenly cut off, so that the operation of the equipment is not stopped and can still continue to operate. When the existing dual-power automatic transfer switch is installed, a transfer switch main body needs to be fixed on a support frame through a fixing mechanism, but the traditional fixing mechanism is complex to operate and is not beneficial to improving the installation efficiency of the transfer switch; and current dual supply automatic transfer switch all does not set up lighting device in general, if some transfer switches install in comparatively dim environment, need supply light to throw light on when needing to maintain transfer switch, generally carry the flashlight by maintenance personal one hand under this kind of condition at present, the other hand is maintained, and this kind of mode has brought very big trouble for maintenance personal's operation.
Disclosure of Invention
The invention aims to provide a dual-power automatic transfer switch which is reasonable in structure, facilitates the installation of the transfer switch by arranging a fixing device, and has the advantages of good fixing effect and strong practicability; and, through setting up lighting device, the maintenance personal of being convenient for carries out maintenance operation to change over switch under comparatively dim environment.
In order to achieve the purpose, the technical scheme of the invention is to design a dual-power automatic transfer switch, which comprises a transfer switch main body, a support frame and a fixing device;
the support frame comprises a support plate and two support legs arranged on two sides of the support plate respectively, a positioning groove is formed in the top of the support plate, and a base located in the positioning groove is arranged at the bottom of the change-over switch main body;
the fixing device comprises two translation frames which are respectively arranged at two sides of the positioning groove, first sliding blocks are respectively arranged at the bottoms of the two translation frames, the two first sliding blocks respectively penetrate through the supporting plate and extend to the lower part of the supporting plate, first sliding grooves which are used for penetrating the first sliding blocks and guiding the first sliding blocks to slide are arranged on the supporting plate, a screw rod which penetrates through the two first sliding blocks is arranged below the supporting plate, threaded holes which are used for penetrating the screw rod and are in threaded connection with the screw rod are respectively arranged on the two first sliding blocks, the thread turning directions of the threaded holes on the two first sliding blocks are opposite, one end of the screw rod is fixedly connected with one supporting leg through a bearing, and the other end of the screw rod penetrates through the other supporting leg and is provided with a rotating head; the horizontal moving frame comprises a vertical plate and a transverse plate integrally connected to the top end of the vertical plate, a transverse clamping block is arranged on the inner side of the vertical plate, a transverse guide rod penetrating through the vertical plate is arranged on the transverse clamping block, a transverse spring sleeved on the transverse guide rod is connected between the transverse clamping block and the vertical plate, the transverse plate is located above the base, a vertical clamping block is arranged below the transverse plate, a vertical guide rod penetrating through the transverse plate is arranged on the vertical clamping block, a vertical spring sleeved on the vertical guide rod is connected between the vertical clamping block and the transverse plate, a first inclined surface is arranged on the inner side of the bottom of the vertical clamping block, and a second inclined surface corresponding to the first inclined surface is arranged on the top;
the interior of the base is provided with an installation cavity, the side part of the base is provided with an opening communicated with the installation cavity, two opposite side walls of the installation cavity are respectively provided with a horizontal guide rail, a drawing plate is arranged between the two horizontal guide rails, two sides of the drawing plate are respectively provided with a walking wheel capable of rolling in the horizontal guide rail, the drawing plate is provided with a lighting device, the lighting device comprises a second chute arranged on the drawing plate, two second sliding blocks are clamped in the second chute in a sliding way, a lighting lamp mounting plate is arranged between the two second sliding blocks, a lighting lamp is arranged on the lighting lamp mounting plate, two sides of the lighting lamp mounting plate are respectively provided with a first connecting lug and a second connecting lug, the first connecting lug is hinged with a first connecting rod through a shaft pin, the other end of the first connecting rod is hinged with one of the second sliding blocks through a shaft pin, and the second connecting lug is hinged with a second connecting rod through, the other end of the second connecting rod is hinged with the other second sliding block through a shaft pin.
Preferably, one end of the transverse guide rod, which is far away from the transverse clamping block, is provided with a transverse stop block; one end of the vertical guide rod, which is far away from the vertical clamping block, is provided with a vertical stop block.
Preferably, the inner side of the supporting foot is provided with a supporting sliding rod which transversely penetrates through the vertical plate.
Preferably, the screw rod is in threaded connection with a locking nut, and the locking nut abuts against the outer side of the supporting leg.
Preferably, the second sliding block is connected with a locking screw in a threaded manner, and the bottom end of the locking screw vertically penetrates through the second sliding block and abuts against the bottom of the second sliding groove.
Preferably, the drawing plate is provided with a panel positioned outside the opening, the side part of the panel facing the base is provided with an elastic clamping block, and the base is provided with a clamping groove clamped with the elastic clamping block.
Preferably, a handle is arranged on the side of the panel, which faces away from the base.
Preferably, the lighting device further comprises a mobile power supply arranged on the drawing plate, and the mobile power supply is electrically connected with the lighting lamp.
Preferably, a plurality of tool placing grooves are formed in the drawing plate.
The invention has the advantages and beneficial effects that: the double-power-supply automatic change-over switch is reasonable in structure, facilitates installation of the change-over switch by arranging the fixing device, and has the advantages of good fixing effect and strong practicability; and, through setting up lighting device, the maintenance personal of being convenient for carries out maintenance operation to change over switch under comparatively dim environment.
During installation, the base of the change-over switch main body is placed in the positioning groove of the supporting plate, then the screw rod is rotated through the rotating head, the two first sliding blocks are driven by the screw rod to slide along the first sliding groove in opposite directions, so that the two translation frames are driven to move in opposite directions, the transverse clamping block and the vertical clamping block are driven to move towards the base, the transverse clamping block is in contact with the side wall of the base and compresses the transverse spring, and therefore the two sides of the base are clamped; and in the process that the vertical clamping block moves towards the base, the first inclined surface on the vertical clamping block is in contact with the second inclined surface on the base, so that the vertical clamping block moves upwards under the action of the second inclined surface and compresses the vertical spring until the first inclined surface is separated from the second inclined surface, the vertical clamping block moves to the position above the base, the base is clamped through the elasticity of the vertical spring, and finally, the locking nut is screwed to finish the installation of the change-over switch.
When the dual-power automatic transfer switch is maintained in a dark environment, the draw plate is drawn out from the installation cavity for a certain distance through the handle, then force is applied to the two second sliding blocks simultaneously, the two second sliding blocks slide along the second sliding grooves in opposite directions, in the process that the two second sliding blocks slide in opposite directions, the illuminating lamp installation plate and the illuminating lamp are driven to move upwards through the first connecting rod and the second connecting rod, when the illuminating lamp moves upwards to a proper height, the locking screw is screwed to enable the bottom end of the locking screw to abut against the bottom of the second sliding groove, at the moment, the second sliding block cannot slide, the illuminating lamp is in a fixed state, and the transfer switch can be maintained by turning on the illuminating lamp; after the maintenance is finished, the locking screw is loosened, the two second sliding blocks slide away from each other, so that the illuminating lamp is retracted, the drawing plate is prevented from being pushed in, the drawing plate is pushed into the installation cavity through the handle, and the elastic clamping blocks on the panel are clamped into the clamping grooves of the base. In addition, through set up the instrument standing groove on taking out the board, make things convenient for maintenance personal to get in the maintenance process and put the instrument.
Drawings
FIG. 1 is a schematic of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a schematic view of a base in the present invention.
Fig. 4 is an enlarged view at B in fig. 3.
Fig. 5 is an enlarged view at C in fig. 3.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
as shown in fig. 1 to 5, a dual power automatic transfer switch includes a transfer switch main body 1, a support frame and a fixing device;
the support frame comprises a support plate 2 and two support legs 3 respectively arranged at two sides of the support plate 2, a positioning groove is formed in the top of the support plate 2, and a base 4 positioned in the positioning groove is arranged at the bottom of the change-over switch main body 1;
the fixing device comprises two translation frames which are respectively arranged at two sides of the positioning groove, first sliding blocks 5 are respectively arranged at the bottoms of the two translation frames, the two first sliding blocks 5 respectively penetrate through the supporting plate 2 and extend to the lower part of the supporting plate 2, first sliding grooves which are used for the first sliding blocks 5 to penetrate through and are used for guiding the first sliding blocks 5 to slide are arranged on the supporting plate 2, screw rods 6 which penetrate through the two first sliding blocks 5 are arranged below the supporting plate 2, threaded holes which are used for the screw rods 6 to penetrate through and are in threaded connection with the screw rods 6 are respectively arranged on the two first sliding blocks 5, the thread turning directions of the threaded holes on the two first sliding blocks 5 are opposite, one end of each screw rod 6 is fixedly connected with one supporting leg 3 through a bearing 7, and the other end of each screw rod 6 penetrates through the other supporting leg 3 and is provided with; the horizontal moving frame comprises a vertical plate 8 and a transverse plate 9 integrally connected to the top end of the vertical plate 8, a transverse clamping block 10 is arranged on the inner side of the vertical plate 8, a transverse guide rod 11 penetrating through the vertical plate 8 is arranged on the transverse clamping block 10, a transverse spring 12 sleeved on the transverse guide rod 11 is connected between the transverse clamping block 10 and the vertical plate 8, the transverse plate 9 is positioned above the base 4, a vertical clamping block 13 is arranged below the transverse plate 9, a vertical guide rod 14 penetrating through the transverse plate 9 is arranged on the vertical clamping block 13, a vertical spring 15 sleeved on the vertical guide rod 14 is connected between the vertical clamping block 13 and the transverse plate 9, a first inclined surface 16 is arranged on the inner side of the bottom of the vertical clamping block 13, and a second inclined surface 17 corresponding to the first inclined surface 16 is arranged at the top of;
the interior of the base 4 is provided with a mounting cavity 18, the side of the base 4 is provided with an opening communicated with the mounting cavity 18, two opposite side walls of the mounting cavity 18 are respectively provided with a horizontal guide rail 19, a drawing plate 20 is arranged between the two horizontal guide rails 19, two sides of the drawing plate 20 are respectively provided with a walking wheel 21 capable of rolling in the horizontal guide rail 19, the drawing plate 20 is provided with a lighting device, the lighting device comprises a second sliding groove 22 arranged on the drawing plate 20, two second sliding blocks 23 are slidably clamped in the second sliding groove 22, a lighting lamp mounting plate 24 is arranged between the two second sliding blocks 23, a lighting lamp 25 is mounted on the lighting lamp mounting plate 24, two sides of the lighting lamp mounting plate 24 are respectively provided with a first connecting lug 26 and a second connecting lug 27, the first connecting lug 26 is hinged with a first connecting rod 29 through a shaft pin 28, the other end of the first connecting rod 29 is hinged with one of the second sliding blocks 23 through the shaft pin 28, the second engaging lug 27 is hinged to a second connecting rod 30 through a shaft pin 28, and the other end of the second connecting rod 30 is hinged to the other second sliding block 23 through the shaft pin 28.
One end of the transverse guide rod 11 far away from the transverse clamping block 10 is provided with a transverse stop block 31; the end of the vertical guide rod 14 far away from the vertical clamping block 13 is provided with a vertical stop 32.
The supporting slide bar 33 which transversely penetrates the vertical plate 8 is arranged on the inner side of the supporting foot 3.
The screw rod 6 is connected with a locking nut 34 by screw thread, and the locking nut 34 is propped against the outer side of the supporting foot 3.
The second sliding block 23 is connected with a locking screw 35 through a thread, and the bottom end of the locking screw 35 vertically penetrates through the second sliding block 23 and abuts against the bottom of the second sliding groove 22.
The drawing plate 20 is provided with a panel 36 located outside the opening, the side of the panel 36 facing the base 4 is provided with an elastic fixture block 37, and the base 4 is provided with a slot clamped with the elastic fixture block 37.
The side of the panel 37 facing away from the base 4 is provided with a handle 38.
The lighting device further comprises a mobile power supply 39 arranged on the drawing board 20, and the mobile power supply 39 is electrically connected with the lighting lamp 25.
The drawing plate 20 is provided with a plurality of tool placing grooves 40.
The invention has the advantages and beneficial effects that: the double-power-supply automatic change-over switch is reasonable in structure, facilitates installation of the change-over switch by arranging the fixing device, and has the advantages of good fixing effect and strong practicability; and, through setting up lighting device, the maintenance personal of being convenient for carries out maintenance operation to change over switch under comparatively dim environment.
During installation, the base 4 of the change-over switch main body 1 is arranged in the positioning groove of the supporting plate 2, then the screw rod 6 is rotated through the rotating head 7, the two first sliding blocks 5 are driven by the screw rod 6 to slide along the first sliding grooves in opposite directions, so that the two translation frames are driven to move in opposite directions, the transverse clamping block 10 and the vertical clamping block 13 are driven to move towards the base 4, the transverse clamping block 10 is in contact with the side wall of the base 4, and the transverse spring 12 is compressed, so that the two sides of the base 4 are clamped; in the process that the vertical clamping block 13 moves towards the direction of the base 4, the first inclined surface 16 on the vertical clamping block 13 is in contact with the second inclined surface 17 on the base 4, so that the vertical clamping block 13 moves upwards under the action of the second inclined surface 17 and compresses the vertical spring 15, the vertical clamping block 13 moves to the position above the base 4 until the first inclined surface 16 is separated from the second inclined surface 17, the base 4 is clamped through the elastic force of the vertical spring 15, and finally the locking nut 34 is screwed, so that the installation of the change-over switch is completed.
When the dual-power automatic transfer switch is maintained in a dark environment, the pull plate 20 is pulled out from the mounting cavity 18 for a certain distance through the handle 38, then the two second sliding blocks 23 are simultaneously applied with force to enable the two second sliding blocks 23 to slide along the second sliding grooves 22 in opposite directions, in the process that the two second sliding blocks 23 slide in opposite directions, the illuminating lamp mounting plate 24 and the illuminating lamp 25 are driven to move upwards through the first connecting rod 29 and the second connecting rod 30 until the illuminating lamp 25 moves upwards to a proper height, the locking screw 35 is screwed to enable the bottom end of the locking screw to abut against the groove bottom of the second sliding groove 22, at the moment, the second sliding blocks 23 cannot slide, the illuminating lamp 25 is in a fixed state, and the transfer switch can be maintained by turning on the illuminating lamp; after the maintenance is completed, the locking screw 35 is loosened, the two second sliding blocks 23 slide away from each other, so that the illuminating lamp 25 is retracted to prevent the drawing plate 20 from being pushed in, and finally the drawing plate 20 is pushed into the mounting cavity 18 through the handle 38 until the elastic clamping blocks 37 on the panel 36 are clamped into the clamping grooves of the base 4. In addition, through set up instrument standing groove 40 on taking out board 20, make things convenient for the maintenance personal to get in the maintenance process and put the instrument.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A dual-power automatic transfer switch is characterized by comprising a transfer switch main body, a support frame and a fixing device;
the support frame comprises a support plate and two support legs arranged on two sides of the support plate respectively, a positioning groove is formed in the top of the support plate, and a base located in the positioning groove is arranged at the bottom of the change-over switch main body;
the fixing device comprises two translation frames which are respectively arranged at two sides of the positioning groove, first sliding blocks are respectively arranged at the bottoms of the two translation frames, the two first sliding blocks respectively penetrate through the supporting plate and extend to the lower part of the supporting plate, first sliding grooves which are used for penetrating the first sliding blocks and guiding the first sliding blocks to slide are arranged on the supporting plate, a screw rod which penetrates through the two first sliding blocks is arranged below the supporting plate, threaded holes which are used for penetrating the screw rod and are in threaded connection with the screw rod are respectively arranged on the two first sliding blocks, the thread turning directions of the threaded holes on the two first sliding blocks are opposite, one end of the screw rod is fixedly connected with one supporting leg through a bearing, and the other end of the screw rod penetrates through the other supporting leg and is provided with a rotating head; the horizontal moving frame comprises a vertical plate and a transverse plate integrally connected to the top end of the vertical plate, a transverse clamping block is arranged on the inner side of the vertical plate, a transverse guide rod penetrating through the vertical plate is arranged on the transverse clamping block, a transverse spring sleeved on the transverse guide rod is connected between the transverse clamping block and the vertical plate, the transverse plate is located above the base, a vertical clamping block is arranged below the transverse plate, a vertical guide rod penetrating through the transverse plate is arranged on the vertical clamping block, a vertical spring sleeved on the vertical guide rod is connected between the vertical clamping block and the transverse plate, a first inclined surface is arranged on the inner side of the bottom of the vertical clamping block, and a second inclined surface corresponding to the first inclined surface is arranged on the top;
the interior of the base is provided with an installation cavity, the side part of the base is provided with an opening communicated with the installation cavity, two opposite side walls of the installation cavity are respectively provided with a horizontal guide rail, a drawing plate is arranged between the two horizontal guide rails, two sides of the drawing plate are respectively provided with a walking wheel capable of rolling in the horizontal guide rail, the drawing plate is provided with a lighting device, the lighting device comprises a second chute arranged on the drawing plate, two second sliding blocks are clamped in the second chute in a sliding way, a lighting lamp mounting plate is arranged between the two second sliding blocks, a lighting lamp is arranged on the lighting lamp mounting plate, two sides of the lighting lamp mounting plate are respectively provided with a first connecting lug and a second connecting lug, the first connecting lug is hinged with a first connecting rod through a shaft pin, the other end of the first connecting rod is hinged with one of the second sliding blocks through a shaft pin, and the second connecting lug is hinged with a second connecting rod through, the other end of the second connecting rod is hinged with the other second sliding block through a shaft pin.
2. The dual-power automatic transfer switch of claim 1, wherein a transverse stop is provided at an end of the transverse guide rod away from the transverse clamping block; one end of the vertical guide rod, which is far away from the vertical clamping block, is provided with a vertical stop block.
3. The dual-power automatic transfer switch of claim 2, wherein a support sliding rod transversely penetrating through the vertical plate is arranged on the inner side of the support leg.
4. The dual-power automatic transfer switch of claim 3, wherein a locking nut is connected to the screw rod in a threaded manner, and the locking nut abuts against the outer side of the supporting leg.
5. The dual-power automatic transfer switch of claim 4, wherein the second sliding block is connected with a locking screw in a threaded manner, and the bottom end of the locking screw vertically penetrates through the second sliding block and abuts against the bottom of the second sliding groove.
6. The dual-power automatic transfer switch of claim 5, wherein the drawing plate is provided with a panel located outside the opening, the side of the panel facing the base is provided with an elastic clamping block, and the base is provided with a clamping groove clamped with the elastic clamping block.
7. The dual-power automatic transfer switch of claim 6, wherein a handle is provided on a side of the panel facing away from the base.
8. The dual-power automatic transfer switch of claim 7, wherein the lighting device further comprises a portable power source disposed on the drawing board, and the portable power source is electrically connected to the lighting lamp.
9. The dual-power automatic transfer switch of claim 8, wherein the draw plate is provided with a plurality of tool placement slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010188963.4A CN111341577B (en) | 2020-03-18 | 2020-03-18 | Dual-power automatic transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010188963.4A CN111341577B (en) | 2020-03-18 | 2020-03-18 | Dual-power automatic transfer switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111341577A true CN111341577A (en) | 2020-06-26 |
| CN111341577B CN111341577B (en) | 2022-02-18 |
Family
ID=71187642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010188963.4A Active CN111341577B (en) | 2020-03-18 | 2020-03-18 | Dual-power automatic transfer switch |
Country Status (1)
| Country | Link |
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| CN (1) | CN111341577B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054732A (en) * | 2021-03-25 | 2021-06-29 | 南京叫易城电子商务有限公司 | Automatic switching power supply equipment for electric fire-fighting illuminating lamp |
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| CN208241397U (en) * | 2018-06-13 | 2018-12-14 | 大庆市隆赫石油科技开发有限公司 | A kind of backup type square wave output ups power |
| CN208385253U (en) * | 2018-07-26 | 2019-01-15 | 温州赣西电气有限公司 | A kind of double power supply automatic transfer switch with mounting base |
| CN109484953A (en) * | 2018-12-30 | 2019-03-19 | 苏州美嘉智选电梯有限公司 | A kind of strong drive formula home lift |
| CN208767805U (en) * | 2018-05-18 | 2019-04-19 | 国网河南省电力公司郑州供电公司 | A kind of pulse code modulation ups power |
| CN209766272U (en) * | 2019-05-24 | 2019-12-10 | 常州高森低压电器有限公司 | Dual supply change over switch convenient to installation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5811729A (en) * | 1996-05-02 | 1998-09-22 | Rintz; William J. | Light switch cover |
| US20020157851A1 (en) * | 2000-06-08 | 2002-10-31 | Carlo Compagnone | Temporary protective cover for an electrical box |
| US20160189902A1 (en) * | 2013-08-28 | 2016-06-30 | Mitsubishi Electric Corporation | Panel device |
| CN105817854A (en) * | 2016-05-11 | 2016-08-03 | 苏州石丸英合精密机械有限公司 | Base fixture for limit switch main body assembling machine |
| CN207530594U (en) * | 2017-12-15 | 2018-06-22 | 佛山市凯拓电源设备有限公司 | A kind of ups power protects shell |
| CN208767805U (en) * | 2018-05-18 | 2019-04-19 | 国网河南省电力公司郑州供电公司 | A kind of pulse code modulation ups power |
| CN208241397U (en) * | 2018-06-13 | 2018-12-14 | 大庆市隆赫石油科技开发有限公司 | A kind of backup type square wave output ups power |
| CN208385253U (en) * | 2018-07-26 | 2019-01-15 | 温州赣西电气有限公司 | A kind of double power supply automatic transfer switch with mounting base |
| CN109484953A (en) * | 2018-12-30 | 2019-03-19 | 苏州美嘉智选电梯有限公司 | A kind of strong drive formula home lift |
| CN209766272U (en) * | 2019-05-24 | 2019-12-10 | 常州高森低压电器有限公司 | Dual supply change over switch convenient to installation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054732A (en) * | 2021-03-25 | 2021-06-29 | 南京叫易城电子商务有限公司 | Automatic switching power supply equipment for electric fire-fighting illuminating lamp |
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| Publication number | Publication date |
|---|---|
| CN111341577B (en) | 2022-02-18 |
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